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00022 #include "config.h"
00023 #include <ctype.h>
00024 #include <string.h>
00025 #include <math.h>
00026 #include <stdlib.h>
00027 #include <errno.h>
00028 #include <signal.h>
00029 #include <limits.h>
00030 #include <unistd.h>
00031 #include "libavformat/avformat.h"
00032 #include "libavdevice/avdevice.h"
00033 #include "libswscale/swscale.h"
00034 #include "libavcodec/opt.h"
00035 #include "libavcodec/audioconvert.h"
00036 #include "libavutil/audioconvert.h"
00037 #include "libavutil/parseutils.h"
00038 #include "libavutil/samplefmt.h"
00039 #include "libavutil/colorspace.h"
00040 #include "libavutil/fifo.h"
00041 #include "libavutil/intreadwrite.h"
00042 #include "libavutil/dict.h"
00043 #include "libavutil/pixdesc.h"
00044 #include "libavutil/avstring.h"
00045 #include "libavutil/libm.h"
00046 #include "libavformat/os_support.h"
00047
00048 #include "libavformat/ffm.h"
00049
00050 #if CONFIG_AVFILTER
00051 # include "libavfilter/avcodec.h"
00052 # include "libavfilter/avfilter.h"
00053 # include "libavfilter/avfiltergraph.h"
00054 # include "libavfilter/vsink_buffer.h"
00055 # include "libavfilter/vsrc_buffer.h"
00056 #endif
00057
00058 #if HAVE_SYS_RESOURCE_H
00059 #include <sys/types.h>
00060 #include <sys/time.h>
00061 #include <sys/resource.h>
00062 #elif HAVE_GETPROCESSTIMES
00063 #include <windows.h>
00064 #endif
00065 #if HAVE_GETPROCESSMEMORYINFO
00066 #include <windows.h>
00067 #include <psapi.h>
00068 #endif
00069
00070 #if HAVE_SYS_SELECT_H
00071 #include <sys/select.h>
00072 #endif
00073
00074 #if HAVE_TERMIOS_H
00075 #include <fcntl.h>
00076 #include <sys/ioctl.h>
00077 #include <sys/time.h>
00078 #include <termios.h>
00079 #elif HAVE_KBHIT
00080 #include <conio.h>
00081 #endif
00082 #include <time.h>
00083
00084 #include "cmdutils.h"
00085
00086 #include "libavutil/avassert.h"
00087
00088 const char program_name[] = "ffmpeg";
00089 const int program_birth_year = 2000;
00090
00091
00092 typedef struct AVStreamMap {
00093 int file_index;
00094 int stream_index;
00095 int sync_file_index;
00096 int sync_stream_index;
00097 } AVStreamMap;
00098
00102 typedef struct AVMetaDataMap {
00103 int file;
00104 char type;
00105 int index;
00106 } AVMetaDataMap;
00107
00108 typedef struct AVChapterMap {
00109 int in_file;
00110 int out_file;
00111 } AVChapterMap;
00112
00113 static const OptionDef options[];
00114
00115 #define MAX_FILES 100
00116 #if !FF_API_MAX_STREAMS
00117 #define MAX_STREAMS 1024
00118 #endif
00119
00120 static const char *last_asked_format = NULL;
00121 static int64_t input_files_ts_offset[MAX_FILES];
00122 static double *input_files_ts_scale[MAX_FILES] = {NULL};
00123 static AVCodec **input_codecs = NULL;
00124 static int nb_input_codecs = 0;
00125 static int nb_input_files_ts_scale[MAX_FILES] = {0};
00126
00127 static AVFormatContext *output_files[MAX_FILES];
00128 static int nb_output_files = 0;
00129
00130 static AVStreamMap *stream_maps = NULL;
00131 static int nb_stream_maps;
00132
00133
00134 static AVMetaDataMap (*meta_data_maps)[2] = NULL;
00135 static int nb_meta_data_maps;
00136 static int metadata_global_autocopy = 1;
00137 static int metadata_streams_autocopy = 1;
00138 static int metadata_chapters_autocopy = 1;
00139
00140 static AVChapterMap *chapter_maps = NULL;
00141 static int nb_chapter_maps;
00142
00143
00144 static int *streamid_map = NULL;
00145 static int nb_streamid_map = 0;
00146
00147 static int frame_width = 0;
00148 static int frame_height = 0;
00149 static float frame_aspect_ratio = 0;
00150 static enum PixelFormat frame_pix_fmt = PIX_FMT_NONE;
00151 static int frame_bits_per_raw_sample = 0;
00152 static enum AVSampleFormat audio_sample_fmt = AV_SAMPLE_FMT_NONE;
00153 static int max_frames[4] = {INT_MAX, INT_MAX, INT_MAX, INT_MAX};
00154 static AVRational frame_rate;
00155 static float video_qscale = 0;
00156 static uint16_t *intra_matrix = NULL;
00157 static uint16_t *inter_matrix = NULL;
00158 static const char *video_rc_override_string=NULL;
00159 static int video_disable = 0;
00160 static int video_discard = 0;
00161 static char *video_codec_name = NULL;
00162 static unsigned int video_codec_tag = 0;
00163 static char *video_language = NULL;
00164 static int same_quality = 0;
00165 static int do_deinterlace = 0;
00166 static int top_field_first = -1;
00167 static int me_threshold = 0;
00168 static int intra_dc_precision = 8;
00169 static int loop_input = 0;
00170 static int loop_output = AVFMT_NOOUTPUTLOOP;
00171 static int qp_hist = 0;
00172 #if CONFIG_AVFILTER
00173 static char *vfilters = NULL;
00174 #endif
00175
00176 static int intra_only = 0;
00177 static int audio_sample_rate = 0;
00178 static int64_t channel_layout = 0;
00179 #define QSCALE_NONE -99999
00180 static float audio_qscale = QSCALE_NONE;
00181 static int audio_disable = 0;
00182 static int audio_channels = 0;
00183 static char *audio_codec_name = NULL;
00184 static unsigned int audio_codec_tag = 0;
00185 static char *audio_language = NULL;
00186
00187 static int subtitle_disable = 0;
00188 static char *subtitle_codec_name = NULL;
00189 static char *subtitle_language = NULL;
00190 static unsigned int subtitle_codec_tag = 0;
00191
00192 static int data_disable = 0;
00193 static char *data_codec_name = NULL;
00194 static unsigned int data_codec_tag = 0;
00195
00196 static float mux_preload= 0.5;
00197 static float mux_max_delay= 0.7;
00198
00199 static int64_t recording_time = INT64_MAX;
00200 static int64_t start_time = 0;
00201 static int64_t recording_timestamp = 0;
00202 static int64_t input_ts_offset = 0;
00203 static int file_overwrite = 0;
00204 static AVDictionary *metadata;
00205 static int do_benchmark = 0;
00206 static int do_hex_dump = 0;
00207 static int do_pkt_dump = 0;
00208 static int do_psnr = 0;
00209 static int do_pass = 0;
00210 static const char *pass_logfilename_prefix;
00211 static int audio_stream_copy = 0;
00212 static int video_stream_copy = 0;
00213 static int subtitle_stream_copy = 0;
00214 static int data_stream_copy = 0;
00215 static int video_sync_method= -1;
00216 static int audio_sync_method= 0;
00217 static float audio_drift_threshold= 0.1;
00218 static int copy_ts= 0;
00219 static int copy_tb= 0;
00220 static int opt_shortest = 0;
00221 static char *vstats_filename;
00222 static FILE *vstats_file;
00223 static int opt_programid = 0;
00224 static int copy_initial_nonkeyframes = 0;
00225
00226 static int rate_emu = 0;
00227
00228 static int video_channel = 0;
00229 static char *video_standard;
00230
00231 static int audio_volume = 256;
00232
00233 static int exit_on_error = 0;
00234 static int using_stdin = 0;
00235 static int verbose = 1;
00236 static int run_as_daemon = 0;
00237 static int thread_count= 1;
00238 static int q_pressed = 0;
00239 static int64_t video_size = 0;
00240 static int64_t audio_size = 0;
00241 static int64_t extra_size = 0;
00242 static int nb_frames_dup = 0;
00243 static int nb_frames_drop = 0;
00244 static int input_sync;
00245 static uint64_t limit_filesize = 0;
00246 static int force_fps = 0;
00247 static char *forced_key_frames = NULL;
00248
00249 static float dts_delta_threshold = 10;
00250
00251 static int64_t timer_start;
00252
00253 static uint8_t *audio_buf;
00254 static uint8_t *audio_out;
00255 static unsigned int allocated_audio_out_size, allocated_audio_buf_size;
00256
00257 static short *samples;
00258
00259 static AVBitStreamFilterContext *video_bitstream_filters=NULL;
00260 static AVBitStreamFilterContext *audio_bitstream_filters=NULL;
00261 static AVBitStreamFilterContext *subtitle_bitstream_filters=NULL;
00262
00263 #define DEFAULT_PASS_LOGFILENAME_PREFIX "ffmpeg2pass"
00264
00265 struct AVInputStream;
00266
00267 typedef struct AVOutputStream {
00268 int file_index;
00269 int index;
00270 int source_index;
00271 AVStream *st;
00272 int encoding_needed;
00273 int frame_number;
00274
00275
00276
00277 struct AVInputStream *sync_ist;
00278 int64_t sync_opts;
00279 AVBitStreamFilterContext *bitstream_filters;
00280 AVCodec *enc;
00281
00282
00283 int video_resample;
00284 AVFrame resample_frame;
00285 struct SwsContext *img_resample_ctx;
00286 int resample_height;
00287 int resample_width;
00288 int resample_pix_fmt;
00289 AVRational frame_rate;
00290
00291 float frame_aspect_ratio;
00292
00293
00294 int64_t *forced_kf_pts;
00295 int forced_kf_count;
00296 int forced_kf_index;
00297
00298
00299 int audio_resample;
00300 ReSampleContext *resample;
00301 int resample_sample_fmt;
00302 int resample_channels;
00303 int resample_sample_rate;
00304 int reformat_pair;
00305 AVAudioConvert *reformat_ctx;
00306 AVFifoBuffer *fifo;
00307 FILE *logfile;
00308
00309 #if CONFIG_AVFILTER
00310 AVFilterContext *output_video_filter;
00311 AVFilterContext *input_video_filter;
00312 AVFilterBufferRef *picref;
00313 char *avfilter;
00314 AVFilterGraph *graph;
00315 #endif
00316
00317 int sws_flags;
00318 char *forced_key_frames;
00319 } AVOutputStream;
00320
00321 static AVOutputStream **output_streams_for_file[MAX_FILES] = { NULL };
00322 static int nb_output_streams_for_file[MAX_FILES] = { 0 };
00323
00324 typedef struct AVInputStream {
00325 int file_index;
00326 AVStream *st;
00327 int discard;
00328 int decoding_needed;
00329 int64_t sample_index;
00330
00331 int64_t start;
00332 int64_t next_pts;
00333
00334 int64_t pts;
00335 int is_start;
00336 int showed_multi_packet_warning;
00337 int is_past_recording_time;
00338 #if CONFIG_AVFILTER
00339 AVFrame *filter_frame;
00340 int has_filter_frame;
00341 #endif
00342 } AVInputStream;
00343
00344 typedef struct AVInputFile {
00345 AVFormatContext *ctx;
00346 int eof_reached;
00347 int ist_index;
00348 int buffer_size;
00349 int nb_streams;
00350 } AVInputFile;
00351
00352 #if HAVE_TERMIOS_H
00353
00354
00355 static struct termios oldtty;
00356 #endif
00357
00358 static AVInputStream *input_streams = NULL;
00359 static int nb_input_streams = 0;
00360 static AVInputFile *input_files = NULL;
00361 static int nb_input_files = 0;
00362
00363 #if CONFIG_AVFILTER
00364
00365 static int configure_video_filters(AVInputStream *ist, AVOutputStream *ost)
00366 {
00367 AVFilterContext *last_filter, *filter;
00369 AVCodecContext *codec = ost->st->codec;
00370 AVCodecContext *icodec = ist->st->codec;
00371 enum PixelFormat pix_fmts[] = { codec->pix_fmt, PIX_FMT_NONE };
00372 AVRational sample_aspect_ratio;
00373 char args[255];
00374 int ret;
00375
00376 ost->graph = avfilter_graph_alloc();
00377
00378 if (ist->st->sample_aspect_ratio.num){
00379 sample_aspect_ratio = ist->st->sample_aspect_ratio;
00380 }else
00381 sample_aspect_ratio = ist->st->codec->sample_aspect_ratio;
00382
00383 snprintf(args, 255, "%d:%d:%d:%d:%d:%d:%d", ist->st->codec->width,
00384 ist->st->codec->height, ist->st->codec->pix_fmt, 1, AV_TIME_BASE,
00385 sample_aspect_ratio.num, sample_aspect_ratio.den);
00386
00387 ret = avfilter_graph_create_filter(&ost->input_video_filter, avfilter_get_by_name("buffer"),
00388 "src", args, NULL, ost->graph);
00389 if (ret < 0)
00390 return ret;
00391 ret = avfilter_graph_create_filter(&ost->output_video_filter, avfilter_get_by_name("buffersink"),
00392 "out", NULL, pix_fmts, ost->graph);
00393 if (ret < 0)
00394 return ret;
00395 last_filter = ost->input_video_filter;
00396
00397 if (codec->width != icodec->width || codec->height != icodec->height) {
00398 snprintf(args, 255, "%d:%d:flags=0x%X",
00399 codec->width,
00400 codec->height,
00401 ost->sws_flags);
00402 if ((ret = avfilter_graph_create_filter(&filter, avfilter_get_by_name("scale"),
00403 NULL, args, NULL, ost->graph)) < 0)
00404 return ret;
00405 if ((ret = avfilter_link(last_filter, 0, filter, 0)) < 0)
00406 return ret;
00407 last_filter = filter;
00408 }
00409
00410 snprintf(args, sizeof(args), "flags=0x%X", ost->sws_flags);
00411 ost->graph->scale_sws_opts = av_strdup(args);
00412
00413 if (ost->avfilter) {
00414 AVFilterInOut *outputs = avfilter_inout_alloc();
00415 AVFilterInOut *inputs = avfilter_inout_alloc();
00416
00417 outputs->name = av_strdup("in");
00418 outputs->filter_ctx = last_filter;
00419 outputs->pad_idx = 0;
00420 outputs->next = NULL;
00421
00422 inputs->name = av_strdup("out");
00423 inputs->filter_ctx = ost->output_video_filter;
00424 inputs->pad_idx = 0;
00425 inputs->next = NULL;
00426
00427 if ((ret = avfilter_graph_parse(ost->graph, ost->avfilter, &inputs, &outputs, NULL)) < 0)
00428 return ret;
00429 av_freep(&ost->avfilter);
00430 } else {
00431 if ((ret = avfilter_link(last_filter, 0, ost->output_video_filter, 0)) < 0)
00432 return ret;
00433 }
00434
00435 if ((ret = avfilter_graph_config(ost->graph, NULL)) < 0)
00436 return ret;
00437
00438 codec->width = ost->output_video_filter->inputs[0]->w;
00439 codec->height = ost->output_video_filter->inputs[0]->h;
00440 codec->sample_aspect_ratio = ost->st->sample_aspect_ratio =
00441 ost->frame_aspect_ratio ?
00442 av_d2q(ost->frame_aspect_ratio*codec->height/codec->width, 255) :
00443 ost->output_video_filter->inputs[0]->sample_aspect_ratio;
00444
00445 return 0;
00446 }
00447 #endif
00448
00449 static void term_exit(void)
00450 {
00451 av_log(NULL, AV_LOG_QUIET, "%s", "");
00452 #if HAVE_TERMIOS_H
00453 if(!run_as_daemon)
00454 tcsetattr (0, TCSANOW, &oldtty);
00455 #endif
00456 }
00457
00458 static volatile int received_sigterm = 0;
00459
00460 static void
00461 sigterm_handler(int sig)
00462 {
00463 received_sigterm = sig;
00464 q_pressed++;
00465 term_exit();
00466 }
00467
00468 static void term_init(void)
00469 {
00470 #if HAVE_TERMIOS_H
00471 if(!run_as_daemon){
00472 struct termios tty;
00473
00474 tcgetattr (0, &tty);
00475 oldtty = tty;
00476 atexit(term_exit);
00477
00478 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
00479 |INLCR|IGNCR|ICRNL|IXON);
00480 tty.c_oflag |= OPOST;
00481 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
00482 tty.c_cflag &= ~(CSIZE|PARENB);
00483 tty.c_cflag |= CS8;
00484 tty.c_cc[VMIN] = 1;
00485 tty.c_cc[VTIME] = 0;
00486
00487 tcsetattr (0, TCSANOW, &tty);
00488 signal(SIGQUIT, sigterm_handler);
00489 }
00490 #endif
00491
00492 signal(SIGINT , sigterm_handler);
00493 signal(SIGTERM, sigterm_handler);
00494 #ifdef SIGXCPU
00495 signal(SIGXCPU, sigterm_handler);
00496 #endif
00497 }
00498
00499
00500 static int read_key(void)
00501 {
00502 #if HAVE_TERMIOS_H
00503 int n = 1;
00504 unsigned char ch;
00505 struct timeval tv;
00506 fd_set rfds;
00507
00508 if(run_as_daemon)
00509 return -1;
00510
00511 FD_ZERO(&rfds);
00512 FD_SET(0, &rfds);
00513 tv.tv_sec = 0;
00514 tv.tv_usec = 0;
00515 n = select(1, &rfds, NULL, NULL, &tv);
00516 if (n > 0) {
00517 n = read(0, &ch, 1);
00518 if (n == 1)
00519 return ch;
00520
00521 return n;
00522 }
00523 #elif HAVE_KBHIT
00524 if(kbhit())
00525 return(getch());
00526 #endif
00527 return -1;
00528 }
00529
00530 static int decode_interrupt_cb(void)
00531 {
00532 q_pressed += read_key() == 'q';
00533 return q_pressed > 1;
00534 }
00535
00536 static int ffmpeg_exit(int ret)
00537 {
00538 int i;
00539
00540
00541 for(i=0;i<nb_output_files;i++) {
00542 AVFormatContext *s = output_files[i];
00543 if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
00544 avio_close(s->pb);
00545 avformat_free_context(s);
00546 av_free(output_streams_for_file[i]);
00547 }
00548 for(i=0;i<nb_input_files;i++) {
00549 av_close_input_file(input_files[i].ctx);
00550 av_free(input_files_ts_scale[i]);
00551 }
00552
00553 av_free(intra_matrix);
00554 av_free(inter_matrix);
00555
00556 if (vstats_file)
00557 fclose(vstats_file);
00558 av_free(vstats_filename);
00559
00560 av_free(streamid_map);
00561 av_free(input_codecs);
00562 av_free(stream_maps);
00563 av_free(meta_data_maps);
00564
00565 av_freep(&input_streams);
00566 av_freep(&input_files);
00567
00568 av_free(video_codec_name);
00569 av_free(audio_codec_name);
00570 av_free(subtitle_codec_name);
00571 av_free(data_codec_name);
00572
00573 av_free(video_standard);
00574
00575 uninit_opts();
00576 av_free(audio_buf);
00577 av_free(audio_out);
00578 allocated_audio_buf_size= allocated_audio_out_size= 0;
00579 av_free(samples);
00580
00581 #if CONFIG_AVFILTER
00582 avfilter_uninit();
00583 #endif
00584
00585 if (received_sigterm) {
00586 fprintf(stderr,
00587 "Received signal %d: terminating.\n",
00588 (int) received_sigterm);
00589 exit (255);
00590 }
00591
00592 exit(ret);
00593 return ret;
00594 }
00595
00596
00597 static void *grow_array(void *array, int elem_size, int *size, int new_size)
00598 {
00599 if (new_size >= INT_MAX / elem_size) {
00600 fprintf(stderr, "Array too big.\n");
00601 ffmpeg_exit(1);
00602 }
00603 if (*size < new_size) {
00604 uint8_t *tmp = av_realloc(array, new_size*elem_size);
00605 if (!tmp) {
00606 fprintf(stderr, "Could not alloc buffer.\n");
00607 ffmpeg_exit(1);
00608 }
00609 memset(tmp + *size*elem_size, 0, (new_size-*size) * elem_size);
00610 *size = new_size;
00611 return tmp;
00612 }
00613 return array;
00614 }
00615
00616 static void choose_sample_fmt(AVStream *st, AVCodec *codec)
00617 {
00618 if(codec && codec->sample_fmts){
00619 const enum AVSampleFormat *p= codec->sample_fmts;
00620 for(; *p!=-1; p++){
00621 if(*p == st->codec->sample_fmt)
00622 break;
00623 }
00624 if (*p == -1) {
00625 if((codec->capabilities & CODEC_CAP_LOSSLESS) && av_get_sample_fmt_name(st->codec->sample_fmt) > av_get_sample_fmt_name(codec->sample_fmts[0]))
00626 av_log(NULL, AV_LOG_ERROR, "Convertion will not be lossless'\n");
00627 av_log(NULL, AV_LOG_WARNING,
00628 "Incompatible sample format '%s' for codec '%s', auto-selecting format '%s'\n",
00629 av_get_sample_fmt_name(st->codec->sample_fmt),
00630 codec->name,
00631 av_get_sample_fmt_name(codec->sample_fmts[0]));
00632 st->codec->sample_fmt = codec->sample_fmts[0];
00633 }
00634 }
00635 }
00636
00637 static void choose_sample_rate(AVStream *st, AVCodec *codec)
00638 {
00639 if(codec && codec->supported_samplerates){
00640 const int *p= codec->supported_samplerates;
00641 int best=0;
00642 int best_dist=INT_MAX;
00643 for(; *p; p++){
00644 int dist= abs(st->codec->sample_rate - *p);
00645 if(dist < best_dist){
00646 best_dist= dist;
00647 best= *p;
00648 }
00649 }
00650 if(best_dist){
00651 av_log(st->codec, AV_LOG_WARNING, "Requested sampling rate unsupported using closest supported (%d)\n", best);
00652 }
00653 st->codec->sample_rate= best;
00654 }
00655 }
00656
00657 static void choose_pixel_fmt(AVStream *st, AVCodec *codec)
00658 {
00659 if(codec && codec->pix_fmts){
00660 const enum PixelFormat *p= codec->pix_fmts;
00661 if(st->codec->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL){
00662 if(st->codec->codec_id==CODEC_ID_MJPEG){
00663 p= (const enum PixelFormat[]){PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_NONE};
00664 }else if(st->codec->codec_id==CODEC_ID_LJPEG){
00665 p= (const enum PixelFormat[]){PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUVJ444P, PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_YUV444P, PIX_FMT_BGRA, PIX_FMT_NONE};
00666 }
00667 }
00668 for(; *p!=-1; p++){
00669 if(*p == st->codec->pix_fmt)
00670 break;
00671 }
00672 if (*p == -1) {
00673 if(st->codec->pix_fmt != PIX_FMT_NONE)
00674 av_log(NULL, AV_LOG_WARNING,
00675 "Incompatible pixel format '%s' for codec '%s', auto-selecting format '%s'\n",
00676 av_pix_fmt_descriptors[st->codec->pix_fmt].name,
00677 codec->name,
00678 av_pix_fmt_descriptors[codec->pix_fmts[0]].name);
00679 st->codec->pix_fmt = codec->pix_fmts[0];
00680 }
00681 }
00682 }
00683
00684 static AVOutputStream *new_output_stream(AVFormatContext *oc, int file_idx)
00685 {
00686 int idx = oc->nb_streams - 1;
00687 AVOutputStream *ost;
00688
00689 output_streams_for_file[file_idx] =
00690 grow_array(output_streams_for_file[file_idx],
00691 sizeof(*output_streams_for_file[file_idx]),
00692 &nb_output_streams_for_file[file_idx],
00693 oc->nb_streams);
00694 ost = output_streams_for_file[file_idx][idx] =
00695 av_mallocz(sizeof(AVOutputStream));
00696 if (!ost) {
00697 fprintf(stderr, "Could not alloc output stream\n");
00698 ffmpeg_exit(1);
00699 }
00700 ost->file_index = file_idx;
00701 ost->index = idx;
00702
00703 ost->sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
00704 return ost;
00705 }
00706
00707 static int read_ffserver_streams(AVFormatContext *s, const char *filename)
00708 {
00709 int i, err;
00710 AVFormatContext *ic;
00711 int nopts = 0;
00712
00713 err = av_open_input_file(&ic, filename, NULL, FFM_PACKET_SIZE, NULL);
00714 if (err < 0)
00715 return err;
00716
00717 s->nb_streams = 0;
00718 for(i=0;i<ic->nb_streams;i++) {
00719 AVStream *st;
00720 AVCodec *codec;
00721
00722 s->nb_streams++;
00723
00724
00725 st = av_mallocz(sizeof(AVStream));
00726 memcpy(st, ic->streams[i], sizeof(AVStream));
00727 st->info = av_malloc(sizeof(*st->info));
00728 memcpy(st->info, ic->streams[i]->info, sizeof(*st->info));
00729 st->codec = avcodec_alloc_context();
00730 if (!st->codec) {
00731 print_error(filename, AVERROR(ENOMEM));
00732 ffmpeg_exit(1);
00733 }
00734 avcodec_copy_context(st->codec, ic->streams[i]->codec);
00735 s->streams[i] = st;
00736
00737 codec = avcodec_find_encoder(st->codec->codec_id);
00738 if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
00739 if (audio_stream_copy) {
00740 st->stream_copy = 1;
00741 } else
00742 choose_sample_fmt(st, codec);
00743 } else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
00744 if (video_stream_copy) {
00745 st->stream_copy = 1;
00746 } else
00747 choose_pixel_fmt(st, codec);
00748 }
00749
00750 if(st->codec->flags & CODEC_FLAG_BITEXACT)
00751 nopts = 1;
00752
00753 new_output_stream(s, nb_output_files);
00754 }
00755
00756 if (!nopts)
00757 s->timestamp = av_gettime();
00758
00759 av_close_input_file(ic);
00760 return 0;
00761 }
00762
00763 static double
00764 get_sync_ipts(const AVOutputStream *ost)
00765 {
00766 const AVInputStream *ist = ost->sync_ist;
00767 return (double)(ist->pts - start_time)/AV_TIME_BASE;
00768 }
00769
00770 static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
00771 int ret;
00772
00773 while(bsfc){
00774 AVPacket new_pkt= *pkt;
00775 int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
00776 &new_pkt.data, &new_pkt.size,
00777 pkt->data, pkt->size,
00778 pkt->flags & AV_PKT_FLAG_KEY);
00779 if(a>0){
00780 av_free_packet(pkt);
00781 new_pkt.destruct= av_destruct_packet;
00782 } else if(a<0){
00783 fprintf(stderr, "%s failed for stream %d, codec %s",
00784 bsfc->filter->name, pkt->stream_index,
00785 avctx->codec ? avctx->codec->name : "copy");
00786 print_error("", a);
00787 if (exit_on_error)
00788 ffmpeg_exit(1);
00789 }
00790 *pkt= new_pkt;
00791
00792 bsfc= bsfc->next;
00793 }
00794
00795 ret= av_interleaved_write_frame(s, pkt);
00796 if(ret < 0){
00797 print_error("av_interleaved_write_frame()", ret);
00798 ffmpeg_exit(1);
00799 }
00800 }
00801
00802 #define MAX_AUDIO_PACKET_SIZE (128 * 1024)
00803
00804 static void do_audio_out(AVFormatContext *s,
00805 AVOutputStream *ost,
00806 AVInputStream *ist,
00807 unsigned char *buf, int size)
00808 {
00809 uint8_t *buftmp;
00810 int64_t audio_out_size, audio_buf_size;
00811 int64_t allocated_for_size= size;
00812
00813 int size_out, frame_bytes, ret, resample_changed;
00814 AVCodecContext *enc= ost->st->codec;
00815 AVCodecContext *dec= ist->st->codec;
00816 int osize = av_get_bytes_per_sample(enc->sample_fmt);
00817 int isize = av_get_bytes_per_sample(dec->sample_fmt);
00818 const int coded_bps = av_get_bits_per_sample(enc->codec->id);
00819
00820 need_realloc:
00821 audio_buf_size= (allocated_for_size + isize*dec->channels - 1) / (isize*dec->channels);
00822 audio_buf_size= (audio_buf_size*enc->sample_rate + dec->sample_rate) / dec->sample_rate;
00823 audio_buf_size= audio_buf_size*2 + 10000;
00824 audio_buf_size= FFMAX(audio_buf_size, enc->frame_size);
00825 audio_buf_size*= osize*enc->channels;
00826
00827 audio_out_size= FFMAX(audio_buf_size, enc->frame_size * osize * enc->channels);
00828 if(coded_bps > 8*osize)
00829 audio_out_size= audio_out_size * coded_bps / (8*osize);
00830 audio_out_size += FF_MIN_BUFFER_SIZE;
00831
00832 if(audio_out_size > INT_MAX || audio_buf_size > INT_MAX){
00833 fprintf(stderr, "Buffer sizes too large\n");
00834 ffmpeg_exit(1);
00835 }
00836
00837 av_fast_malloc(&audio_buf, &allocated_audio_buf_size, audio_buf_size);
00838 av_fast_malloc(&audio_out, &allocated_audio_out_size, audio_out_size);
00839 if (!audio_buf || !audio_out){
00840 fprintf(stderr, "Out of memory in do_audio_out\n");
00841 ffmpeg_exit(1);
00842 }
00843
00844 if (enc->channels != dec->channels)
00845 ost->audio_resample = 1;
00846
00847 resample_changed = ost->resample_sample_fmt != dec->sample_fmt ||
00848 ost->resample_channels != dec->channels ||
00849 ost->resample_sample_rate != dec->sample_rate;
00850
00851 if ((ost->audio_resample && !ost->resample) || resample_changed) {
00852 if (resample_changed) {
00853 av_log(NULL, AV_LOG_INFO, "Input stream #%d.%d frame changed from rate:%d fmt:%s ch:%d to rate:%d fmt:%s ch:%d\n",
00854 ist->file_index, ist->st->index,
00855 ost->resample_sample_rate, av_get_sample_fmt_name(ost->resample_sample_fmt), ost->resample_channels,
00856 dec->sample_rate, av_get_sample_fmt_name(dec->sample_fmt), dec->channels);
00857 ost->resample_sample_fmt = dec->sample_fmt;
00858 ost->resample_channels = dec->channels;
00859 ost->resample_sample_rate = dec->sample_rate;
00860 if (ost->resample)
00861 audio_resample_close(ost->resample);
00862 }
00863
00864 if (audio_sync_method <= 1 &&
00865 ost->resample_sample_fmt == enc->sample_fmt &&
00866 ost->resample_channels == enc->channels &&
00867 ost->resample_sample_rate == enc->sample_rate) {
00868 ost->resample = NULL;
00869 ost->audio_resample = 0;
00870 } else {
00871 if (dec->sample_fmt != AV_SAMPLE_FMT_S16)
00872 fprintf(stderr, "Warning, using s16 intermediate sample format for resampling\n");
00873 ost->resample = av_audio_resample_init(enc->channels, dec->channels,
00874 enc->sample_rate, dec->sample_rate,
00875 enc->sample_fmt, dec->sample_fmt,
00876 16, 10, 0, 0.8);
00877 if (!ost->resample) {
00878 fprintf(stderr, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
00879 dec->channels, dec->sample_rate,
00880 enc->channels, enc->sample_rate);
00881 ffmpeg_exit(1);
00882 }
00883 }
00884 }
00885
00886 #define MAKE_SFMT_PAIR(a,b) ((a)+AV_SAMPLE_FMT_NB*(b))
00887 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt &&
00888 MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt)!=ost->reformat_pair) {
00889 if (ost->reformat_ctx)
00890 av_audio_convert_free(ost->reformat_ctx);
00891 ost->reformat_ctx = av_audio_convert_alloc(enc->sample_fmt, 1,
00892 dec->sample_fmt, 1, NULL, 0);
00893 if (!ost->reformat_ctx) {
00894 fprintf(stderr, "Cannot convert %s sample format to %s sample format\n",
00895 av_get_sample_fmt_name(dec->sample_fmt),
00896 av_get_sample_fmt_name(enc->sample_fmt));
00897 ffmpeg_exit(1);
00898 }
00899 ost->reformat_pair=MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt);
00900 }
00901
00902 if(audio_sync_method){
00903 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
00904 - av_fifo_size(ost->fifo)/(enc->channels * 2);
00905 double idelta= delta*dec->sample_rate / enc->sample_rate;
00906 int byte_delta= ((int)idelta)*2*dec->channels;
00907
00908
00909 if(fabs(delta) > 50){
00910 if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
00911 if(byte_delta < 0){
00912 byte_delta= FFMAX(byte_delta, -size);
00913 size += byte_delta;
00914 buf -= byte_delta;
00915 if(verbose > 2)
00916 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
00917 if(!size)
00918 return;
00919 ist->is_start=0;
00920 }else{
00921 static uint8_t *input_tmp= NULL;
00922 input_tmp= av_realloc(input_tmp, byte_delta + size);
00923
00924 if(byte_delta > allocated_for_size - size){
00925 allocated_for_size= byte_delta + (int64_t)size;
00926 goto need_realloc;
00927 }
00928 ist->is_start=0;
00929
00930 memset(input_tmp, 0, byte_delta);
00931 memcpy(input_tmp + byte_delta, buf, size);
00932 buf= input_tmp;
00933 size += byte_delta;
00934 if(verbose > 2)
00935 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
00936 }
00937 }else if(audio_sync_method>1){
00938 int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
00939 av_assert0(ost->audio_resample);
00940 if(verbose > 2)
00941 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
00942
00943 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
00944 }
00945 }
00946 }else
00947 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
00948 - av_fifo_size(ost->fifo)/(enc->channels * 2);
00949
00950 if (ost->audio_resample) {
00951 buftmp = audio_buf;
00952 size_out = audio_resample(ost->resample,
00953 (short *)buftmp, (short *)buf,
00954 size / (dec->channels * isize));
00955 size_out = size_out * enc->channels * osize;
00956 } else {
00957 buftmp = buf;
00958 size_out = size;
00959 }
00960
00961 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt) {
00962 const void *ibuf[6]= {buftmp};
00963 void *obuf[6]= {audio_buf};
00964 int istride[6]= {isize};
00965 int ostride[6]= {osize};
00966 int len= size_out/istride[0];
00967 if (av_audio_convert(ost->reformat_ctx, obuf, ostride, ibuf, istride, len)<0) {
00968 printf("av_audio_convert() failed\n");
00969 if (exit_on_error)
00970 ffmpeg_exit(1);
00971 return;
00972 }
00973 buftmp = audio_buf;
00974 size_out = len*osize;
00975 }
00976
00977
00978 if (enc->frame_size > 1) {
00979
00980 if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
00981 fprintf(stderr, "av_fifo_realloc2() failed\n");
00982 ffmpeg_exit(1);
00983 }
00984 av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
00985
00986 frame_bytes = enc->frame_size * osize * enc->channels;
00987
00988 while (av_fifo_size(ost->fifo) >= frame_bytes) {
00989 AVPacket pkt;
00990 av_init_packet(&pkt);
00991
00992 av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
00993
00994
00995
00996 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
00997 (short *)audio_buf);
00998 if (ret < 0) {
00999 fprintf(stderr, "Audio encoding failed\n");
01000 ffmpeg_exit(1);
01001 }
01002 audio_size += ret;
01003 pkt.stream_index= ost->index;
01004 pkt.data= audio_out;
01005 pkt.size= ret;
01006 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
01007 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
01008 pkt.flags |= AV_PKT_FLAG_KEY;
01009 write_frame(s, &pkt, enc, ost->bitstream_filters);
01010
01011 ost->sync_opts += enc->frame_size;
01012 }
01013 } else {
01014 AVPacket pkt;
01015 av_init_packet(&pkt);
01016
01017 ost->sync_opts += size_out / (osize * enc->channels);
01018
01019
01020
01021 size_out /= osize;
01022 if (coded_bps)
01023 size_out = size_out*coded_bps/8;
01024
01025 if(size_out > audio_out_size){
01026 fprintf(stderr, "Internal error, buffer size too small\n");
01027 ffmpeg_exit(1);
01028 }
01029
01030
01031 ret = avcodec_encode_audio(enc, audio_out, size_out,
01032 (short *)buftmp);
01033 if (ret < 0) {
01034 fprintf(stderr, "Audio encoding failed\n");
01035 ffmpeg_exit(1);
01036 }
01037 audio_size += ret;
01038 pkt.stream_index= ost->index;
01039 pkt.data= audio_out;
01040 pkt.size= ret;
01041 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
01042 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
01043 pkt.flags |= AV_PKT_FLAG_KEY;
01044 write_frame(s, &pkt, enc, ost->bitstream_filters);
01045 }
01046 }
01047
01048 static void pre_process_video_frame(AVInputStream *ist, AVPicture *picture, void **bufp)
01049 {
01050 AVCodecContext *dec;
01051 AVPicture *picture2;
01052 AVPicture picture_tmp;
01053 uint8_t *buf = 0;
01054
01055 dec = ist->st->codec;
01056
01057
01058 if (do_deinterlace) {
01059 int size;
01060
01061
01062 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
01063 buf = av_malloc(size);
01064 if (!buf)
01065 return;
01066
01067 picture2 = &picture_tmp;
01068 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
01069
01070 if(avpicture_deinterlace(picture2, picture,
01071 dec->pix_fmt, dec->width, dec->height) < 0) {
01072
01073 fprintf(stderr, "Deinterlacing failed\n");
01074 av_free(buf);
01075 buf = NULL;
01076 picture2 = picture;
01077 }
01078 } else {
01079 picture2 = picture;
01080 }
01081
01082 if (picture != picture2)
01083 *picture = *picture2;
01084 *bufp = buf;
01085 }
01086
01087
01088 #define AV_DELAY_MAX 0.100
01089
01090 static void do_subtitle_out(AVFormatContext *s,
01091 AVOutputStream *ost,
01092 AVInputStream *ist,
01093 AVSubtitle *sub,
01094 int64_t pts)
01095 {
01096 static uint8_t *subtitle_out = NULL;
01097 int subtitle_out_max_size = 1024 * 1024;
01098 int subtitle_out_size, nb, i;
01099 AVCodecContext *enc;
01100 AVPacket pkt;
01101
01102 if (pts == AV_NOPTS_VALUE) {
01103 fprintf(stderr, "Subtitle packets must have a pts\n");
01104 if (exit_on_error)
01105 ffmpeg_exit(1);
01106 return;
01107 }
01108
01109 enc = ost->st->codec;
01110
01111 if (!subtitle_out) {
01112 subtitle_out = av_malloc(subtitle_out_max_size);
01113 }
01114
01115
01116
01117
01118 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
01119 nb = 2;
01120 else
01121 nb = 1;
01122
01123 for(i = 0; i < nb; i++) {
01124 sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
01125
01126 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){1, 1000}, AV_TIME_BASE_Q);
01127 sub->end_display_time -= sub->start_display_time;
01128 sub->start_display_time = 0;
01129 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
01130 subtitle_out_max_size, sub);
01131 if (subtitle_out_size < 0) {
01132 fprintf(stderr, "Subtitle encoding failed\n");
01133 ffmpeg_exit(1);
01134 }
01135
01136 av_init_packet(&pkt);
01137 pkt.stream_index = ost->index;
01138 pkt.data = subtitle_out;
01139 pkt.size = subtitle_out_size;
01140 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
01141 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
01142
01143
01144 if (i == 0)
01145 pkt.pts += 90 * sub->start_display_time;
01146 else
01147 pkt.pts += 90 * sub->end_display_time;
01148 }
01149 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
01150 }
01151 }
01152
01153 static int bit_buffer_size= 1024*256;
01154 static uint8_t *bit_buffer= NULL;
01155
01156 static void do_video_out(AVFormatContext *s,
01157 AVOutputStream *ost,
01158 AVInputStream *ist,
01159 AVFrame *in_picture,
01160 int *frame_size)
01161 {
01162 int nb_frames, i, ret, av_unused resample_changed;
01163 AVFrame *final_picture, *formatted_picture;
01164 AVCodecContext *enc, *dec;
01165 double sync_ipts;
01166
01167 enc = ost->st->codec;
01168 dec = ist->st->codec;
01169
01170 sync_ipts = get_sync_ipts(ost) / av_q2d(enc->time_base);
01171
01172
01173 nb_frames = 1;
01174
01175 *frame_size = 0;
01176
01177 if(video_sync_method){
01178 double vdelta = sync_ipts - ost->sync_opts;
01179
01180 if (vdelta < -1.1)
01181 nb_frames = 0;
01182 else if (video_sync_method == 2 || (video_sync_method<0 && (s->oformat->flags & AVFMT_VARIABLE_FPS))){
01183 if(vdelta<=-0.6){
01184 nb_frames=0;
01185 }else if(vdelta>0.6)
01186 ost->sync_opts= lrintf(sync_ipts);
01187 }else if (vdelta > 1.1)
01188 nb_frames = lrintf(vdelta);
01189
01190 if (nb_frames == 0){
01191 ++nb_frames_drop;
01192 if (verbose>2)
01193 fprintf(stderr, "*** drop!\n");
01194 }else if (nb_frames > 1) {
01195 nb_frames_dup += nb_frames - 1;
01196 if (verbose>2)
01197 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
01198 }
01199 }else
01200 ost->sync_opts= lrintf(sync_ipts);
01201
01202 nb_frames= FFMIN(nb_frames, max_frames[AVMEDIA_TYPE_VIDEO] - ost->frame_number);
01203 if (nb_frames <= 0)
01204 return;
01205
01206 formatted_picture = in_picture;
01207 final_picture = formatted_picture;
01208
01209 #if !CONFIG_AVFILTER
01210 resample_changed = ost->resample_width != dec->width ||
01211 ost->resample_height != dec->height ||
01212 ost->resample_pix_fmt != dec->pix_fmt;
01213
01214 if (resample_changed) {
01215 av_log(NULL, AV_LOG_INFO,
01216 "Input stream #%d.%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
01217 ist->file_index, ist->st->index,
01218 ost->resample_width, ost->resample_height, av_get_pix_fmt_name(ost->resample_pix_fmt),
01219 dec->width , dec->height , av_get_pix_fmt_name(dec->pix_fmt));
01220 ost->resample_width = dec->width;
01221 ost->resample_height = dec->height;
01222 ost->resample_pix_fmt = dec->pix_fmt;
01223 }
01224
01225 ost->video_resample = dec->width != enc->width ||
01226 dec->height != enc->height ||
01227 dec->pix_fmt != enc->pix_fmt;
01228
01229 if (ost->video_resample) {
01230 final_picture = &ost->resample_frame;
01231 if (!ost->img_resample_ctx || resample_changed) {
01232
01233 if (!ost->resample_frame.data[0]) {
01234 avcodec_get_frame_defaults(&ost->resample_frame);
01235 if (avpicture_alloc((AVPicture *)&ost->resample_frame, enc->pix_fmt,
01236 enc->width, enc->height)) {
01237 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
01238 ffmpeg_exit(1);
01239 }
01240 }
01241
01242 sws_freeContext(ost->img_resample_ctx);
01243 ost->img_resample_ctx = sws_getContext(dec->width, dec->height, dec->pix_fmt,
01244 enc->width, enc->height, enc->pix_fmt,
01245 ost->sws_flags, NULL, NULL, NULL);
01246 if (ost->img_resample_ctx == NULL) {
01247 fprintf(stderr, "Cannot get resampling context\n");
01248 ffmpeg_exit(1);
01249 }
01250 }
01251 sws_scale(ost->img_resample_ctx, formatted_picture->data, formatted_picture->linesize,
01252 0, ost->resample_height, final_picture->data, final_picture->linesize);
01253 }
01254 #endif
01255
01256
01257 for(i=0;i<nb_frames;i++) {
01258 AVPacket pkt;
01259 av_init_packet(&pkt);
01260 pkt.stream_index= ost->index;
01261
01262 if (s->oformat->flags & AVFMT_RAWPICTURE) {
01263
01264
01265
01266 AVFrame* old_frame = enc->coded_frame;
01267 enc->coded_frame = dec->coded_frame;
01268 pkt.data= (uint8_t *)final_picture;
01269 pkt.size= sizeof(AVPicture);
01270 pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
01271 pkt.flags |= AV_PKT_FLAG_KEY;
01272
01273 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
01274 enc->coded_frame = old_frame;
01275 } else {
01276 AVFrame big_picture;
01277
01278 big_picture= *final_picture;
01279
01280
01281 big_picture.interlaced_frame = in_picture->interlaced_frame;
01282 if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)) {
01283 if(top_field_first == -1)
01284 big_picture.top_field_first = in_picture->top_field_first;
01285 else
01286 big_picture.top_field_first = top_field_first;
01287 }
01288
01289
01290
01291 big_picture.quality = same_quality ? ist->st->quality : ost->st->quality;
01292 if(!me_threshold)
01293 big_picture.pict_type = 0;
01294
01295 big_picture.pts= ost->sync_opts;
01296
01297
01298 if (ost->forced_kf_index < ost->forced_kf_count &&
01299 big_picture.pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
01300 big_picture.pict_type = AV_PICTURE_TYPE_I;
01301 ost->forced_kf_index++;
01302 }
01303 ret = avcodec_encode_video(enc,
01304 bit_buffer, bit_buffer_size,
01305 &big_picture);
01306 if (ret < 0) {
01307 fprintf(stderr, "Video encoding failed\n");
01308 ffmpeg_exit(1);
01309 }
01310
01311 if(ret>0){
01312 pkt.data= bit_buffer;
01313 pkt.size= ret;
01314 if(enc->coded_frame->pts != AV_NOPTS_VALUE)
01315 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
01316
01317
01318
01319
01320 if(enc->coded_frame->key_frame)
01321 pkt.flags |= AV_PKT_FLAG_KEY;
01322 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
01323 *frame_size = ret;
01324 video_size += ret;
01325
01326
01327
01328 if (ost->logfile && enc->stats_out) {
01329 fprintf(ost->logfile, "%s", enc->stats_out);
01330 }
01331 }
01332 }
01333 ost->sync_opts++;
01334 ost->frame_number++;
01335 }
01336 }
01337
01338 static double psnr(double d){
01339 return -10.0*log(d)/log(10.0);
01340 }
01341
01342 static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
01343 int frame_size)
01344 {
01345 AVCodecContext *enc;
01346 int frame_number;
01347 double ti1, bitrate, avg_bitrate;
01348
01349
01350 if (!vstats_file) {
01351 vstats_file = fopen(vstats_filename, "w");
01352 if (!vstats_file) {
01353 perror("fopen");
01354 ffmpeg_exit(1);
01355 }
01356 }
01357
01358 enc = ost->st->codec;
01359 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
01360 frame_number = ost->frame_number;
01361 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
01362 if (enc->flags&CODEC_FLAG_PSNR)
01363 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
01364
01365 fprintf(vstats_file,"f_size= %6d ", frame_size);
01366
01367 ti1 = ost->sync_opts * av_q2d(enc->time_base);
01368 if (ti1 < 0.01)
01369 ti1 = 0.01;
01370
01371 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
01372 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
01373 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
01374 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
01375 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
01376 }
01377 }
01378
01379 static void print_report(AVFormatContext **output_files,
01380 AVOutputStream **ost_table, int nb_ostreams,
01381 int is_last_report)
01382 {
01383 char buf[1024];
01384 AVOutputStream *ost;
01385 AVFormatContext *oc;
01386 int64_t total_size;
01387 AVCodecContext *enc;
01388 int frame_number, vid, i;
01389 double bitrate;
01390 int64_t pts = INT64_MAX;
01391 static int64_t last_time = -1;
01392 static int qp_histogram[52];
01393
01394 if (!is_last_report) {
01395 int64_t cur_time;
01396
01397 cur_time = av_gettime();
01398 if (last_time == -1) {
01399 last_time = cur_time;
01400 return;
01401 }
01402 if ((cur_time - last_time) < 500000)
01403 return;
01404 last_time = cur_time;
01405 }
01406
01407
01408 oc = output_files[0];
01409
01410 total_size = avio_size(oc->pb);
01411 if(total_size<0)
01412 total_size= avio_tell(oc->pb);
01413
01414 buf[0] = '\0';
01415 vid = 0;
01416 for(i=0;i<nb_ostreams;i++) {
01417 float q = -1;
01418 ost = ost_table[i];
01419 enc = ost->st->codec;
01420 if (!ost->st->stream_copy && enc->coded_frame)
01421 q = enc->coded_frame->quality/(float)FF_QP2LAMBDA;
01422 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
01423 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
01424 }
01425 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
01426 float t = (av_gettime()-timer_start) / 1000000.0;
01427
01428 frame_number = ost->frame_number;
01429 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
01430 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0, q);
01431 if(is_last_report)
01432 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
01433 if(qp_hist){
01434 int j;
01435 int qp = lrintf(q);
01436 if(qp>=0 && qp<FF_ARRAY_ELEMS(qp_histogram))
01437 qp_histogram[qp]++;
01438 for(j=0; j<32; j++)
01439 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
01440 }
01441 if (enc->flags&CODEC_FLAG_PSNR){
01442 int j;
01443 double error, error_sum=0;
01444 double scale, scale_sum=0;
01445 char type[3]= {'Y','U','V'};
01446 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
01447 for(j=0; j<3; j++){
01448 if(is_last_report){
01449 error= enc->error[j];
01450 scale= enc->width*enc->height*255.0*255.0*frame_number;
01451 }else{
01452 error= enc->coded_frame->error[j];
01453 scale= enc->width*enc->height*255.0*255.0;
01454 }
01455 if(j) scale/=4;
01456 error_sum += error;
01457 scale_sum += scale;
01458 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
01459 }
01460 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
01461 }
01462 vid = 1;
01463 }
01464
01465 pts = FFMIN(pts, av_rescale_q(ost->st->pts.val,
01466 ost->st->time_base, AV_TIME_BASE_Q));
01467 }
01468
01469 if (verbose > 0 || is_last_report) {
01470 int hours, mins, secs, us;
01471 secs = pts / AV_TIME_BASE;
01472 us = pts % AV_TIME_BASE;
01473 mins = secs / 60;
01474 secs %= 60;
01475 hours = mins / 60;
01476 mins %= 60;
01477
01478 bitrate = pts ? total_size * 8 / (pts / 1000.0) : 0;
01479
01480 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
01481 "size=%8.0fkB time=", total_size / 1024.0);
01482 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
01483 "%02d:%02d:%02d.%02d ", hours, mins, secs,
01484 (100 * us) / AV_TIME_BASE);
01485 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
01486 "bitrate=%6.1fkbits/s", bitrate);
01487
01488 if (nb_frames_dup || nb_frames_drop)
01489 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
01490 nb_frames_dup, nb_frames_drop);
01491
01492 if (verbose >= 0)
01493 fprintf(stderr, "%s \r", buf);
01494
01495 fflush(stderr);
01496 }
01497
01498 if (is_last_report && verbose >= 0){
01499 int64_t raw= audio_size + video_size + extra_size;
01500 fprintf(stderr, "\n");
01501 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
01502 video_size/1024.0,
01503 audio_size/1024.0,
01504 extra_size/1024.0,
01505 100.0*(total_size - raw)/raw
01506 );
01507 }
01508 }
01509
01510 static void generate_silence(uint8_t* buf, enum AVSampleFormat sample_fmt, size_t size)
01511 {
01512 int fill_char = 0x00;
01513 if (sample_fmt == AV_SAMPLE_FMT_U8)
01514 fill_char = 0x80;
01515 memset(buf, fill_char, size);
01516 }
01517
01518
01519 static int output_packet(AVInputStream *ist, int ist_index,
01520 AVOutputStream **ost_table, int nb_ostreams,
01521 const AVPacket *pkt)
01522 {
01523 AVFormatContext *os;
01524 AVOutputStream *ost;
01525 int ret, i;
01526 int got_output;
01527 AVFrame picture;
01528 void *buffer_to_free = NULL;
01529 static unsigned int samples_size= 0;
01530 AVSubtitle subtitle, *subtitle_to_free;
01531 int64_t pkt_pts = AV_NOPTS_VALUE;
01532 #if CONFIG_AVFILTER
01533 int frame_available;
01534 #endif
01535
01536 AVPacket avpkt;
01537 int bps = av_get_bytes_per_sample(ist->st->codec->sample_fmt);
01538
01539 if(ist->next_pts == AV_NOPTS_VALUE)
01540 ist->next_pts= ist->pts;
01541
01542 if (pkt == NULL) {
01543
01544 av_init_packet(&avpkt);
01545 avpkt.data = NULL;
01546 avpkt.size = 0;
01547 goto handle_eof;
01548 } else {
01549 avpkt = *pkt;
01550 }
01551
01552 if(pkt->dts != AV_NOPTS_VALUE)
01553 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
01554 if(pkt->pts != AV_NOPTS_VALUE)
01555 pkt_pts = av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
01556
01557
01558 while (avpkt.size > 0 || (!pkt && got_output)) {
01559 uint8_t *data_buf, *decoded_data_buf;
01560 int data_size, decoded_data_size;
01561 handle_eof:
01562 ist->pts= ist->next_pts;
01563
01564 if(avpkt.size && avpkt.size != pkt->size &&
01565 ((!ist->showed_multi_packet_warning && verbose>0) || verbose>1)){
01566 fprintf(stderr, "Multiple frames in a packet from stream %d\n", pkt->stream_index);
01567 ist->showed_multi_packet_warning=1;
01568 }
01569
01570
01571 decoded_data_buf = NULL;
01572 decoded_data_size= 0;
01573 data_buf = avpkt.data;
01574 data_size = avpkt.size;
01575 subtitle_to_free = NULL;
01576 if (ist->decoding_needed) {
01577 switch(ist->st->codec->codec_type) {
01578 case AVMEDIA_TYPE_AUDIO:{
01579 if(pkt && samples_size < FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE)) {
01580 samples_size = FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE);
01581 av_free(samples);
01582 samples= av_malloc(samples_size);
01583 }
01584 decoded_data_size= samples_size;
01585
01586
01587 ret = avcodec_decode_audio3(ist->st->codec, samples, &decoded_data_size,
01588 &avpkt);
01589 if (ret < 0)
01590 goto fail_decode;
01591 avpkt.data += ret;
01592 avpkt.size -= ret;
01593 data_size = ret;
01594 got_output = decoded_data_size > 0;
01595
01596
01597 if (!got_output) {
01598
01599 continue;
01600 }
01601 decoded_data_buf = (uint8_t *)samples;
01602 ist->next_pts += ((int64_t)AV_TIME_BASE/bps * decoded_data_size) /
01603 (ist->st->codec->sample_rate * ist->st->codec->channels);
01604 break;}
01605 case AVMEDIA_TYPE_VIDEO:
01606 decoded_data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
01607
01608 avcodec_get_frame_defaults(&picture);
01609 avpkt.pts = pkt_pts;
01610 avpkt.dts = ist->pts;
01611 pkt_pts = AV_NOPTS_VALUE;
01612
01613 ret = avcodec_decode_video2(ist->st->codec,
01614 &picture, &got_output, &avpkt);
01615 ist->st->quality= picture.quality;
01616 if (ret < 0)
01617 goto fail_decode;
01618 if (!got_output) {
01619
01620 goto discard_packet;
01621 }
01622 ist->next_pts = ist->pts = picture.best_effort_timestamp;
01623 if (ist->st->codec->time_base.num != 0) {
01624 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
01625 ist->next_pts += ((int64_t)AV_TIME_BASE *
01626 ist->st->codec->time_base.num * ticks) /
01627 ist->st->codec->time_base.den;
01628 }
01629 avpkt.size = 0;
01630 buffer_to_free = NULL;
01631 pre_process_video_frame(ist, (AVPicture *)&picture, &buffer_to_free);
01632 break;
01633 case AVMEDIA_TYPE_SUBTITLE:
01634 ret = avcodec_decode_subtitle2(ist->st->codec,
01635 &subtitle, &got_output, &avpkt);
01636 if (ret < 0)
01637 goto fail_decode;
01638 if (!got_output) {
01639 goto discard_packet;
01640 }
01641 subtitle_to_free = &subtitle;
01642 avpkt.size = 0;
01643 break;
01644 default:
01645 goto fail_decode;
01646 }
01647 } else {
01648 switch(ist->st->codec->codec_type) {
01649 case AVMEDIA_TYPE_AUDIO:
01650 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
01651 ist->st->codec->sample_rate;
01652 break;
01653 case AVMEDIA_TYPE_VIDEO:
01654 if (ist->st->codec->time_base.num != 0) {
01655 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
01656 ist->next_pts += ((int64_t)AV_TIME_BASE *
01657 ist->st->codec->time_base.num * ticks) /
01658 ist->st->codec->time_base.den;
01659 }
01660 break;
01661 }
01662 ret = avpkt.size;
01663 avpkt.size = 0;
01664 }
01665
01666 #if CONFIG_AVFILTER
01667 if(ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
01668 if (start_time == 0 || ist->pts >= start_time) {
01669 for(i=0;i<nb_ostreams;i++) {
01670 ost = ost_table[i];
01671 if (ost->input_video_filter && ost->source_index == ist_index) {
01672 if (!picture.sample_aspect_ratio.num)
01673 picture.sample_aspect_ratio = ist->st->sample_aspect_ratio;
01674 picture.pts = ist->pts;
01675
01676 av_vsrc_buffer_add_frame(ost->input_video_filter, &picture, AV_VSRC_BUF_FLAG_OVERWRITE);
01677 }
01678 }
01679 }
01680 #endif
01681
01682
01683 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
01684 if (audio_volume != 256) {
01685 short *volp;
01686 volp = samples;
01687 for(i=0;i<(decoded_data_size / sizeof(short));i++) {
01688 int v = ((*volp) * audio_volume + 128) >> 8;
01689 if (v < -32768) v = -32768;
01690 if (v > 32767) v = 32767;
01691 *volp++ = v;
01692 }
01693 }
01694 }
01695
01696
01697 if (rate_emu) {
01698 int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
01699 int64_t now = av_gettime() - ist->start;
01700 if (pts > now)
01701 usleep(pts - now);
01702 }
01703
01704
01705 if (start_time == 0 || ist->pts >= start_time)
01706 for(i=0;i<nb_ostreams;i++) {
01707 int frame_size;
01708
01709 ost = ost_table[i];
01710 if (ost->source_index == ist_index) {
01711 #if CONFIG_AVFILTER
01712 frame_available = ist->st->codec->codec_type != AVMEDIA_TYPE_VIDEO ||
01713 !ost->output_video_filter || avfilter_poll_frame(ost->output_video_filter->inputs[0]);
01714 while (frame_available) {
01715 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && ost->output_video_filter) {
01716 AVRational ist_pts_tb = ost->output_video_filter->inputs[0]->time_base;
01717 if (av_vsink_buffer_get_video_buffer_ref(ost->output_video_filter, &ost->picref, 0) < 0)
01718 goto cont;
01719 if (ost->picref) {
01720 avfilter_fill_frame_from_video_buffer_ref(&picture, ost->picref);
01721 ist->pts = av_rescale_q(ost->picref->pts, ist_pts_tb, AV_TIME_BASE_Q);
01722 }
01723 }
01724 #endif
01725 os = output_files[ost->file_index];
01726
01727
01728
01729
01730 if (ost->encoding_needed) {
01731 av_assert0(ist->decoding_needed);
01732 switch(ost->st->codec->codec_type) {
01733 case AVMEDIA_TYPE_AUDIO:
01734 do_audio_out(os, ost, ist, decoded_data_buf, decoded_data_size);
01735 break;
01736 case AVMEDIA_TYPE_VIDEO:
01737 #if CONFIG_AVFILTER
01738 if (ost->picref->video && !ost->frame_aspect_ratio)
01739 ost->st->codec->sample_aspect_ratio = ost->picref->video->sample_aspect_ratio;
01740 #endif
01741 do_video_out(os, ost, ist, &picture, &frame_size);
01742 if (vstats_filename && frame_size)
01743 do_video_stats(os, ost, frame_size);
01744 break;
01745 case AVMEDIA_TYPE_SUBTITLE:
01746 do_subtitle_out(os, ost, ist, &subtitle,
01747 pkt->pts);
01748 break;
01749 default:
01750 abort();
01751 }
01752 } else {
01753 AVFrame avframe;
01754 AVPicture pict;
01755 AVPacket opkt;
01756 int64_t ost_tb_start_time= av_rescale_q(start_time, AV_TIME_BASE_Q, ost->st->time_base);
01757
01758 av_init_packet(&opkt);
01759
01760 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) && !copy_initial_nonkeyframes)
01761 #if !CONFIG_AVFILTER
01762 continue;
01763 #else
01764 goto cont;
01765 #endif
01766
01767
01768
01769
01770 avcodec_get_frame_defaults(&avframe);
01771 ost->st->codec->coded_frame= &avframe;
01772 avframe.key_frame = pkt->flags & AV_PKT_FLAG_KEY;
01773
01774 if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
01775 audio_size += data_size;
01776 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
01777 video_size += data_size;
01778 ost->sync_opts++;
01779 }
01780
01781 opkt.stream_index= ost->index;
01782 if(pkt->pts != AV_NOPTS_VALUE)
01783 opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
01784 else
01785 opkt.pts= AV_NOPTS_VALUE;
01786
01787 if (pkt->dts == AV_NOPTS_VALUE)
01788 opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
01789 else
01790 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
01791 opkt.dts -= ost_tb_start_time;
01792
01793 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
01794 opkt.flags= pkt->flags;
01795
01796
01797 if( ost->st->codec->codec_id != CODEC_ID_H264
01798 && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO
01799 && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO
01800 ) {
01801 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & AV_PKT_FLAG_KEY))
01802 opkt.destruct= av_destruct_packet;
01803 } else {
01804 opkt.data = data_buf;
01805 opkt.size = data_size;
01806 }
01807
01808 if (os->oformat->flags & AVFMT_RAWPICTURE) {
01809
01810 avpicture_fill(&pict, opkt.data, ost->st->codec->pix_fmt, ost->st->codec->width, ost->st->codec->height);
01811 opkt.data = (uint8_t *)&pict;
01812 opkt.size = sizeof(AVPicture);
01813 opkt.flags |= AV_PKT_FLAG_KEY;
01814 }
01815 write_frame(os, &opkt, ost->st->codec, ost->bitstream_filters);
01816 ost->st->codec->frame_number++;
01817 ost->frame_number++;
01818 av_free_packet(&opkt);
01819 }
01820 #if CONFIG_AVFILTER
01821 cont:
01822 frame_available = (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) &&
01823 ost->output_video_filter && avfilter_poll_frame(ost->output_video_filter->inputs[0]);
01824 avfilter_unref_buffer(ost->picref);
01825 }
01826 #endif
01827 }
01828 }
01829
01830 av_free(buffer_to_free);
01831
01832 if (subtitle_to_free) {
01833 avsubtitle_free(subtitle_to_free);
01834 subtitle_to_free = NULL;
01835 }
01836 }
01837 discard_packet:
01838 if (pkt == NULL) {
01839
01840
01841 for(i=0;i<nb_ostreams;i++) {
01842 ost = ost_table[i];
01843 if (ost->source_index == ist_index) {
01844 AVCodecContext *enc= ost->st->codec;
01845 os = output_files[ost->file_index];
01846
01847 if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <=1)
01848 continue;
01849 if(ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
01850 continue;
01851
01852 if (ost->encoding_needed) {
01853 for(;;) {
01854 AVPacket pkt;
01855 int fifo_bytes;
01856 av_init_packet(&pkt);
01857 pkt.stream_index= ost->index;
01858
01859 switch(ost->st->codec->codec_type) {
01860 case AVMEDIA_TYPE_AUDIO:
01861 fifo_bytes = av_fifo_size(ost->fifo);
01862 ret = 0;
01863
01864 if (fifo_bytes > 0) {
01865 int osize = av_get_bytes_per_sample(enc->sample_fmt);
01866 int fs_tmp = enc->frame_size;
01867
01868 av_fifo_generic_read(ost->fifo, audio_buf, fifo_bytes, NULL);
01869 if (enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
01870 enc->frame_size = fifo_bytes / (osize * enc->channels);
01871 } else {
01872 int frame_bytes = enc->frame_size*osize*enc->channels;
01873 if (allocated_audio_buf_size < frame_bytes)
01874 ffmpeg_exit(1);
01875 generate_silence(audio_buf+fifo_bytes, enc->sample_fmt, frame_bytes - fifo_bytes);
01876 }
01877
01878 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, (short *)audio_buf);
01879 pkt.duration = av_rescale((int64_t)enc->frame_size*ost->st->time_base.den,
01880 ost->st->time_base.num, enc->sample_rate);
01881 enc->frame_size = fs_tmp;
01882 }
01883 if(ret <= 0) {
01884 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
01885 }
01886 if (ret < 0) {
01887 fprintf(stderr, "Audio encoding failed\n");
01888 ffmpeg_exit(1);
01889 }
01890 audio_size += ret;
01891 pkt.flags |= AV_PKT_FLAG_KEY;
01892 break;
01893 case AVMEDIA_TYPE_VIDEO:
01894 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
01895 if (ret < 0) {
01896 fprintf(stderr, "Video encoding failed\n");
01897 ffmpeg_exit(1);
01898 }
01899 video_size += ret;
01900 if(enc->coded_frame && enc->coded_frame->key_frame)
01901 pkt.flags |= AV_PKT_FLAG_KEY;
01902 if (ost->logfile && enc->stats_out) {
01903 fprintf(ost->logfile, "%s", enc->stats_out);
01904 }
01905 break;
01906 default:
01907 ret=-1;
01908 }
01909
01910 if(ret<=0)
01911 break;
01912 pkt.data= bit_buffer;
01913 pkt.size= ret;
01914 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
01915 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
01916 write_frame(os, &pkt, ost->st->codec, ost->bitstream_filters);
01917 }
01918 }
01919 }
01920 }
01921 }
01922
01923 return 0;
01924 fail_decode:
01925 return -1;
01926 }
01927
01928 static void print_sdp(AVFormatContext **avc, int n)
01929 {
01930 char sdp[2048];
01931
01932 av_sdp_create(avc, n, sdp, sizeof(sdp));
01933 printf("SDP:\n%s\n", sdp);
01934 fflush(stdout);
01935 }
01936
01937 static int copy_chapters(int infile, int outfile)
01938 {
01939 AVFormatContext *is = input_files[infile].ctx;
01940 AVFormatContext *os = output_files[outfile];
01941 int i;
01942
01943 for (i = 0; i < is->nb_chapters; i++) {
01944 AVChapter *in_ch = is->chapters[i], *out_ch;
01945 int64_t ts_off = av_rescale_q(start_time - input_files_ts_offset[infile],
01946 AV_TIME_BASE_Q, in_ch->time_base);
01947 int64_t rt = (recording_time == INT64_MAX) ? INT64_MAX :
01948 av_rescale_q(recording_time, AV_TIME_BASE_Q, in_ch->time_base);
01949
01950
01951 if (in_ch->end < ts_off)
01952 continue;
01953 if (rt != INT64_MAX && in_ch->start > rt + ts_off)
01954 break;
01955
01956 out_ch = av_mallocz(sizeof(AVChapter));
01957 if (!out_ch)
01958 return AVERROR(ENOMEM);
01959
01960 out_ch->id = in_ch->id;
01961 out_ch->time_base = in_ch->time_base;
01962 out_ch->start = FFMAX(0, in_ch->start - ts_off);
01963 out_ch->end = FFMIN(rt, in_ch->end - ts_off);
01964
01965 if (metadata_chapters_autocopy)
01966 av_dict_copy(&out_ch->metadata, in_ch->metadata, 0);
01967
01968 os->nb_chapters++;
01969 os->chapters = av_realloc(os->chapters, sizeof(AVChapter)*os->nb_chapters);
01970 if (!os->chapters)
01971 return AVERROR(ENOMEM);
01972 os->chapters[os->nb_chapters - 1] = out_ch;
01973 }
01974 return 0;
01975 }
01976
01977 static void parse_forced_key_frames(char *kf, AVOutputStream *ost,
01978 AVCodecContext *avctx)
01979 {
01980 char *p;
01981 int n = 1, i;
01982 int64_t t;
01983
01984 for (p = kf; *p; p++)
01985 if (*p == ',')
01986 n++;
01987 ost->forced_kf_count = n;
01988 ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
01989 if (!ost->forced_kf_pts) {
01990 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
01991 ffmpeg_exit(1);
01992 }
01993 for (i = 0; i < n; i++) {
01994 p = i ? strchr(p, ',') + 1 : kf;
01995 t = parse_time_or_die("force_key_frames", p, 1);
01996 ost->forced_kf_pts[i] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
01997 }
01998 }
01999
02000
02001
02002
02003 static int transcode(AVFormatContext **output_files,
02004 int nb_output_files,
02005 AVInputFile *input_files,
02006 int nb_input_files,
02007 AVStreamMap *stream_maps, int nb_stream_maps)
02008 {
02009 int ret = 0, i, j, k, n, nb_ostreams = 0, step;
02010
02011 AVFormatContext *is, *os;
02012 AVCodecContext *codec, *icodec;
02013 AVOutputStream *ost, **ost_table = NULL;
02014 AVInputStream *ist;
02015 char error[1024];
02016 int key;
02017 int want_sdp = 1;
02018 uint8_t no_packet[MAX_FILES]={0};
02019 int no_packet_count=0;
02020 int nb_frame_threshold[AVMEDIA_TYPE_NB]={0};
02021 int nb_streams[AVMEDIA_TYPE_NB]={0};
02022
02023 if (rate_emu)
02024 for (i = 0; i < nb_input_streams; i++)
02025 input_streams[i].start = av_gettime();
02026
02027
02028 nb_ostreams = 0;
02029 for(i=0;i<nb_output_files;i++) {
02030 os = output_files[i];
02031 if (!os->nb_streams && !(os->oformat->flags & AVFMT_NOSTREAMS)) {
02032 av_dump_format(output_files[i], i, output_files[i]->filename, 1);
02033 fprintf(stderr, "Output file #%d does not contain any stream\n", i);
02034 ret = AVERROR(EINVAL);
02035 goto fail;
02036 }
02037 nb_ostreams += os->nb_streams;
02038 }
02039 if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
02040 fprintf(stderr, "Number of stream maps must match number of output streams\n");
02041 ret = AVERROR(EINVAL);
02042 goto fail;
02043 }
02044
02045
02046 for(i=0;i<nb_stream_maps;i++) {
02047 int fi = stream_maps[i].file_index;
02048 int si = stream_maps[i].stream_index;
02049
02050 if (fi < 0 || fi > nb_input_files - 1 ||
02051 si < 0 || si > input_files[fi].nb_streams - 1) {
02052 fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
02053 ret = AVERROR(EINVAL);
02054 goto fail;
02055 }
02056 fi = stream_maps[i].sync_file_index;
02057 si = stream_maps[i].sync_stream_index;
02058 if (fi < 0 || fi > nb_input_files - 1 ||
02059 si < 0 || si > input_files[fi].nb_streams - 1) {
02060 fprintf(stderr,"Could not find sync stream #%d.%d\n", fi, si);
02061 ret = AVERROR(EINVAL);
02062 goto fail;
02063 }
02064 }
02065
02066 ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
02067 if (!ost_table)
02068 goto fail;
02069
02070 for(k=0;k<nb_output_files;k++) {
02071 os = output_files[k];
02072 for(i=0;i<os->nb_streams;i++,n++) {
02073 nb_streams[os->streams[i]->codec->codec_type]++;
02074 }
02075 }
02076 for(step=1<<30; step; step>>=1){
02077 int found_streams[AVMEDIA_TYPE_NB]={0};
02078 for(j=0; j<AVMEDIA_TYPE_NB; j++)
02079 nb_frame_threshold[j] += step;
02080
02081 for(j=0; j<nb_input_streams; j++) {
02082 int skip=0;
02083 ist = &input_streams[j];
02084 if(opt_programid){
02085 int pi,si;
02086 AVFormatContext *f= input_files[ ist->file_index ].ctx;
02087 skip=1;
02088 for(pi=0; pi<f->nb_programs; pi++){
02089 AVProgram *p= f->programs[pi];
02090 if(p->id == opt_programid)
02091 for(si=0; si<p->nb_stream_indexes; si++){
02092 if(f->streams[ p->stream_index[si] ] == ist->st)
02093 skip=0;
02094 }
02095 }
02096 }
02097 if (ist->discard && ist->st->discard != AVDISCARD_ALL && !skip
02098 && nb_frame_threshold[ist->st->codec->codec_type] <= ist->st->codec_info_nb_frames){
02099 found_streams[ist->st->codec->codec_type]++;
02100 }
02101 }
02102 for(j=0; j<AVMEDIA_TYPE_NB; j++)
02103 if(found_streams[j] < nb_streams[j])
02104 nb_frame_threshold[j] -= step;
02105 }
02106 n = 0;
02107 for(k=0;k<nb_output_files;k++) {
02108 os = output_files[k];
02109 for(i=0;i<os->nb_streams;i++,n++) {
02110 int found;
02111 ost = ost_table[n] = output_streams_for_file[k][i];
02112 ost->st = os->streams[i];
02113 if (nb_stream_maps > 0) {
02114 ost->source_index = input_files[stream_maps[n].file_index].ist_index +
02115 stream_maps[n].stream_index;
02116
02117
02118 if (input_streams[ost->source_index].st->codec->codec_type != ost->st->codec->codec_type) {
02119 int i= ost->file_index;
02120 av_dump_format(output_files[i], i, output_files[i]->filename, 1);
02121 fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
02122 stream_maps[n].file_index, stream_maps[n].stream_index,
02123 ost->file_index, ost->index);
02124 ffmpeg_exit(1);
02125 }
02126
02127 } else {
02128
02129 found = 0;
02130 for (j = 0; j < nb_input_streams; j++) {
02131 int skip=0;
02132 ist = &input_streams[j];
02133 if(opt_programid){
02134 int pi,si;
02135 AVFormatContext *f = input_files[ist->file_index].ctx;
02136 skip=1;
02137 for(pi=0; pi<f->nb_programs; pi++){
02138 AVProgram *p= f->programs[pi];
02139 if(p->id == opt_programid)
02140 for(si=0; si<p->nb_stream_indexes; si++){
02141 if(f->streams[ p->stream_index[si] ] == ist->st)
02142 skip=0;
02143 }
02144 }
02145 }
02146 if (ist->discard && ist->st->discard != AVDISCARD_ALL && !skip &&
02147 ist->st->codec->codec_type == ost->st->codec->codec_type &&
02148 nb_frame_threshold[ist->st->codec->codec_type] <= ist->st->codec_info_nb_frames) {
02149 ost->source_index = j;
02150 found = 1;
02151 break;
02152 }
02153 }
02154
02155 if (!found) {
02156 if(! opt_programid) {
02157
02158 for (j = 0; j < nb_input_streams; j++) {
02159 ist = &input_streams[j];
02160 if ( ist->st->codec->codec_type == ost->st->codec->codec_type
02161 && ist->st->discard != AVDISCARD_ALL) {
02162 ost->source_index = j;
02163 found = 1;
02164 }
02165 }
02166 }
02167 if (!found) {
02168 int i= ost->file_index;
02169 av_dump_format(output_files[i], i, output_files[i]->filename, 1);
02170 fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
02171 ost->file_index, ost->index);
02172 ffmpeg_exit(1);
02173 }
02174 }
02175 }
02176 ist = &input_streams[ost->source_index];
02177 ist->discard = 0;
02178 ost->sync_ist = (nb_stream_maps > 0) ?
02179 &input_streams[input_files[stream_maps[n].sync_file_index].ist_index +
02180 stream_maps[n].sync_stream_index] : ist;
02181 }
02182 }
02183
02184
02185 for(i=0;i<nb_ostreams;i++) {
02186 ost = ost_table[i];
02187 os = output_files[ost->file_index];
02188 ist = &input_streams[ost->source_index];
02189
02190 codec = ost->st->codec;
02191 icodec = ist->st->codec;
02192
02193 if (metadata_streams_autocopy)
02194 av_dict_copy(&ost->st->metadata, ist->st->metadata,
02195 AV_DICT_DONT_OVERWRITE);
02196
02197 ost->st->disposition = ist->st->disposition;
02198 codec->bits_per_raw_sample= icodec->bits_per_raw_sample;
02199 codec->chroma_sample_location = icodec->chroma_sample_location;
02200
02201 if (ost->st->stream_copy) {
02202 uint64_t extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
02203
02204 if (extra_size > INT_MAX)
02205 goto fail;
02206
02207
02208 codec->codec_id = icodec->codec_id;
02209 codec->codec_type = icodec->codec_type;
02210
02211 if(!codec->codec_tag){
02212 if( !os->oformat->codec_tag
02213 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) == codec->codec_id
02214 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
02215 codec->codec_tag = icodec->codec_tag;
02216 }
02217
02218 codec->bit_rate = icodec->bit_rate;
02219 codec->rc_max_rate = icodec->rc_max_rate;
02220 codec->rc_buffer_size = icodec->rc_buffer_size;
02221 codec->extradata= av_mallocz(extra_size);
02222 if (!codec->extradata)
02223 goto fail;
02224 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
02225 codec->extradata_size= icodec->extradata_size;
02226 if(!copy_tb && av_q2d(icodec->time_base)*icodec->ticks_per_frame > av_q2d(ist->st->time_base) && av_q2d(ist->st->time_base) < 1.0/500){
02227 codec->time_base = icodec->time_base;
02228 codec->time_base.num *= icodec->ticks_per_frame;
02229 av_reduce(&codec->time_base.num, &codec->time_base.den,
02230 codec->time_base.num, codec->time_base.den, INT_MAX);
02231 }else
02232 codec->time_base = ist->st->time_base;
02233 switch(codec->codec_type) {
02234 case AVMEDIA_TYPE_AUDIO:
02235 if(audio_volume != 256) {
02236 fprintf(stderr,"-acodec copy and -vol are incompatible (frames are not decoded)\n");
02237 ffmpeg_exit(1);
02238 }
02239 codec->channel_layout = icodec->channel_layout;
02240 codec->sample_rate = icodec->sample_rate;
02241 codec->channels = icodec->channels;
02242 codec->frame_size = icodec->frame_size;
02243 codec->audio_service_type = icodec->audio_service_type;
02244 codec->block_align= icodec->block_align;
02245 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
02246 codec->block_align= 0;
02247 if(codec->codec_id == CODEC_ID_AC3)
02248 codec->block_align= 0;
02249 break;
02250 case AVMEDIA_TYPE_VIDEO:
02251 codec->pix_fmt = icodec->pix_fmt;
02252 codec->width = icodec->width;
02253 codec->height = icodec->height;
02254 codec->has_b_frames = icodec->has_b_frames;
02255 if (!codec->sample_aspect_ratio.num) {
02256 codec->sample_aspect_ratio =
02257 ost->st->sample_aspect_ratio =
02258 ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio :
02259 ist->st->codec->sample_aspect_ratio.num ?
02260 ist->st->codec->sample_aspect_ratio : (AVRational){0, 1};
02261 }
02262 break;
02263 case AVMEDIA_TYPE_SUBTITLE:
02264 codec->width = icodec->width;
02265 codec->height = icodec->height;
02266 break;
02267 case AVMEDIA_TYPE_DATA:
02268 break;
02269 default:
02270 abort();
02271 }
02272 } else {
02273 if (!ost->enc)
02274 ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
02275 switch(codec->codec_type) {
02276 case AVMEDIA_TYPE_AUDIO:
02277 ost->fifo= av_fifo_alloc(1024);
02278 if(!ost->fifo)
02279 goto fail;
02280 ost->reformat_pair = MAKE_SFMT_PAIR(AV_SAMPLE_FMT_NONE,AV_SAMPLE_FMT_NONE);
02281 if (!codec->sample_rate) {
02282 codec->sample_rate = icodec->sample_rate;
02283 if (icodec->lowres)
02284 codec->sample_rate >>= icodec->lowres;
02285 }
02286 choose_sample_rate(ost->st, ost->enc);
02287 codec->time_base = (AVRational){1, codec->sample_rate};
02288 if (!codec->channels)
02289 codec->channels = icodec->channels;
02290 if (av_get_channel_layout_nb_channels(codec->channel_layout) != codec->channels)
02291 codec->channel_layout = 0;
02292 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
02293 icodec->request_channels = codec->channels;
02294 ist->decoding_needed = 1;
02295 ost->encoding_needed = 1;
02296 ost->resample_sample_fmt = icodec->sample_fmt;
02297 ost->resample_sample_rate = icodec->sample_rate;
02298 ost->resample_channels = icodec->channels;
02299 break;
02300 case AVMEDIA_TYPE_VIDEO:
02301 if (codec->pix_fmt == PIX_FMT_NONE)
02302 codec->pix_fmt = icodec->pix_fmt;
02303 choose_pixel_fmt(ost->st, ost->enc);
02304
02305 if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
02306 fprintf(stderr, "Video pixel format is unknown, stream cannot be encoded\n");
02307 ffmpeg_exit(1);
02308 }
02309
02310 if (!codec->width || !codec->height) {
02311 codec->width = icodec->width;
02312 codec->height = icodec->height;
02313 }
02314
02315 ost->video_resample = codec->width != icodec->width ||
02316 codec->height != icodec->height ||
02317 codec->pix_fmt != icodec->pix_fmt;
02318 if (ost->video_resample) {
02319 codec->bits_per_raw_sample= frame_bits_per_raw_sample;
02320 }
02321
02322 ost->resample_height = icodec->height;
02323 ost->resample_width = icodec->width;
02324 ost->resample_pix_fmt= icodec->pix_fmt;
02325 ost->encoding_needed = 1;
02326 ist->decoding_needed = 1;
02327
02328 if (!ost->frame_rate.num)
02329 ost->frame_rate = ist->st->r_frame_rate.num ? ist->st->r_frame_rate : (AVRational){25,1};
02330 if (ost->enc && ost->enc->supported_framerates && !force_fps) {
02331 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
02332 ost->frame_rate = ost->enc->supported_framerates[idx];
02333 }
02334 codec->time_base = (AVRational){ost->frame_rate.den, ost->frame_rate.num};
02335 if( av_q2d(codec->time_base) < 0.001 && video_sync_method
02336 && (video_sync_method==1 || (video_sync_method<0 && !(os->oformat->flags & AVFMT_VARIABLE_FPS)))){
02337 av_log(os, AV_LOG_WARNING, "Frame rate very high for a muxer not effciciently supporting it.\n"
02338 "Please consider specifiying a lower framerate, a different muxer or -vsync 2\n");
02339 }
02340
02341 if (ost->forced_key_frames)
02342 parse_forced_key_frames(ost->forced_key_frames, ost, codec);
02343
02344 #if CONFIG_AVFILTER
02345 if (configure_video_filters(ist, ost)) {
02346 fprintf(stderr, "Error opening filters!\n");
02347 exit(1);
02348 }
02349 #endif
02350 break;
02351 case AVMEDIA_TYPE_SUBTITLE:
02352 ost->encoding_needed = 1;
02353 ist->decoding_needed = 1;
02354 break;
02355 default:
02356 abort();
02357 break;
02358 }
02359
02360 if (ost->encoding_needed && codec->codec_id != CODEC_ID_H264 &&
02361 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
02362 char logfilename[1024];
02363 FILE *f;
02364
02365 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
02366 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
02367 i);
02368 if (codec->flags & CODEC_FLAG_PASS1) {
02369 f = fopen(logfilename, "wb");
02370 if (!f) {
02371 fprintf(stderr, "Cannot write log file '%s' for pass-1 encoding: %s\n", logfilename, strerror(errno));
02372 ffmpeg_exit(1);
02373 }
02374 ost->logfile = f;
02375 } else {
02376 char *logbuffer;
02377 size_t logbuffer_size;
02378 if (read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
02379 fprintf(stderr, "Error reading log file '%s' for pass-2 encoding\n", logfilename);
02380 ffmpeg_exit(1);
02381 }
02382 codec->stats_in = logbuffer;
02383 }
02384 }
02385 }
02386 if(codec->codec_type == AVMEDIA_TYPE_VIDEO){
02387
02388 int size= codec->width * codec->height;
02389 bit_buffer_size= FFMAX(bit_buffer_size, 7*size + 10000);
02390 }
02391 }
02392
02393 if (!bit_buffer)
02394 bit_buffer = av_malloc(bit_buffer_size);
02395 if (!bit_buffer) {
02396 fprintf(stderr, "Cannot allocate %d bytes output buffer\n",
02397 bit_buffer_size);
02398 ret = AVERROR(ENOMEM);
02399 goto fail;
02400 }
02401
02402
02403 for(i=0;i<nb_ostreams;i++) {
02404 ost = ost_table[i];
02405 if (ost->encoding_needed) {
02406 AVCodec *codec = ost->enc;
02407 AVCodecContext *dec = input_streams[ost->source_index].st->codec;
02408 if (!codec) {
02409 snprintf(error, sizeof(error), "Encoder (codec id %d) not found for output stream #%d.%d",
02410 ost->st->codec->codec_id, ost->file_index, ost->index);
02411 ret = AVERROR(EINVAL);
02412 goto dump_format;
02413 }
02414 if (dec->subtitle_header) {
02415 ost->st->codec->subtitle_header = av_malloc(dec->subtitle_header_size);
02416 if (!ost->st->codec->subtitle_header) {
02417 ret = AVERROR(ENOMEM);
02418 goto dump_format;
02419 }
02420 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
02421 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
02422 }
02423 if (avcodec_open(ost->st->codec, codec) < 0) {
02424 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height",
02425 ost->file_index, ost->index);
02426 ret = AVERROR(EINVAL);
02427 goto dump_format;
02428 }
02429 extra_size += ost->st->codec->extradata_size;
02430 }
02431 }
02432
02433
02434 for (i = 0; i < nb_input_streams; i++) {
02435 ist = &input_streams[i];
02436 if (ist->decoding_needed) {
02437 AVCodec *codec = i < nb_input_codecs ? input_codecs[i] : NULL;
02438 if (!codec)
02439 codec = avcodec_find_decoder(ist->st->codec->codec_id);
02440 if (!codec) {
02441 snprintf(error, sizeof(error), "Decoder (codec id %d) not found for input stream #%d.%d",
02442 ist->st->codec->codec_id, ist->file_index, ist->st->index);
02443 ret = AVERROR(EINVAL);
02444 goto dump_format;
02445 }
02446 if (avcodec_open(ist->st->codec, codec) < 0) {
02447 snprintf(error, sizeof(error), "Error while opening decoder for input stream #%d.%d",
02448 ist->file_index, ist->st->index);
02449 ret = AVERROR(EINVAL);
02450 goto dump_format;
02451 }
02452
02453
02454 }
02455 }
02456
02457
02458 for (i = 0; i < nb_input_streams; i++) {
02459 AVStream *st;
02460 ist = &input_streams[i];
02461 st= ist->st;
02462 ist->pts = st->avg_frame_rate.num ? - st->codec->has_b_frames*AV_TIME_BASE / av_q2d(st->avg_frame_rate) : 0;
02463 ist->next_pts = AV_NOPTS_VALUE;
02464 ist->is_start = 1;
02465 }
02466
02467
02468 for (i=0;i<nb_meta_data_maps;i++) {
02469 AVFormatContext *files[2];
02470 AVDictionary **meta[2];
02471 int j;
02472
02473 #define METADATA_CHECK_INDEX(index, nb_elems, desc)\
02474 if ((index) < 0 || (index) >= (nb_elems)) {\
02475 snprintf(error, sizeof(error), "Invalid %s index %d while processing metadata maps\n",\
02476 (desc), (index));\
02477 ret = AVERROR(EINVAL);\
02478 goto dump_format;\
02479 }
02480
02481 int out_file_index = meta_data_maps[i][0].file;
02482 int in_file_index = meta_data_maps[i][1].file;
02483 if (in_file_index < 0 || out_file_index < 0)
02484 continue;
02485 METADATA_CHECK_INDEX(out_file_index, nb_output_files, "output file")
02486 METADATA_CHECK_INDEX(in_file_index, nb_input_files, "input file")
02487
02488 files[0] = output_files[out_file_index];
02489 files[1] = input_files[in_file_index].ctx;
02490
02491 for (j = 0; j < 2; j++) {
02492 AVMetaDataMap *map = &meta_data_maps[i][j];
02493
02494 switch (map->type) {
02495 case 'g':
02496 meta[j] = &files[j]->metadata;
02497 break;
02498 case 's':
02499 METADATA_CHECK_INDEX(map->index, files[j]->nb_streams, "stream")
02500 meta[j] = &files[j]->streams[map->index]->metadata;
02501 break;
02502 case 'c':
02503 METADATA_CHECK_INDEX(map->index, files[j]->nb_chapters, "chapter")
02504 meta[j] = &files[j]->chapters[map->index]->metadata;
02505 break;
02506 case 'p':
02507 METADATA_CHECK_INDEX(map->index, files[j]->nb_programs, "program")
02508 meta[j] = &files[j]->programs[map->index]->metadata;
02509 break;
02510 }
02511 }
02512
02513 av_dict_copy(meta[0], *meta[1], AV_DICT_DONT_OVERWRITE);
02514 }
02515
02516
02517 if (metadata_global_autocopy) {
02518
02519 for (i = 0; i < nb_output_files; i++)
02520 av_dict_copy(&output_files[i]->metadata, input_files[0].ctx->metadata,
02521 AV_DICT_DONT_OVERWRITE);
02522 }
02523
02524
02525 for (i = 0; i < nb_chapter_maps; i++) {
02526 int infile = chapter_maps[i].in_file;
02527 int outfile = chapter_maps[i].out_file;
02528
02529 if (infile < 0 || outfile < 0)
02530 continue;
02531 if (infile >= nb_input_files) {
02532 snprintf(error, sizeof(error), "Invalid input file index %d in chapter mapping.\n", infile);
02533 ret = AVERROR(EINVAL);
02534 goto dump_format;
02535 }
02536 if (outfile >= nb_output_files) {
02537 snprintf(error, sizeof(error), "Invalid output file index %d in chapter mapping.\n",outfile);
02538 ret = AVERROR(EINVAL);
02539 goto dump_format;
02540 }
02541 copy_chapters(infile, outfile);
02542 }
02543
02544
02545 if (!nb_chapter_maps)
02546 for (i = 0; i < nb_input_files; i++) {
02547 if (!input_files[i].ctx->nb_chapters)
02548 continue;
02549
02550 for (j = 0; j < nb_output_files; j++)
02551 if ((ret = copy_chapters(i, j)) < 0)
02552 goto dump_format;
02553 break;
02554 }
02555
02556
02557 for(i=0;i<nb_output_files;i++) {
02558 os = output_files[i];
02559 if (av_write_header(os) < 0) {
02560 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
02561 ret = AVERROR(EINVAL);
02562 goto dump_format;
02563 }
02564 if (strcmp(output_files[i]->oformat->name, "rtp")) {
02565 want_sdp = 0;
02566 }
02567 }
02568
02569 dump_format:
02570
02571
02572 for(i=0;i<nb_output_files;i++) {
02573 av_dump_format(output_files[i], i, output_files[i]->filename, 1);
02574 }
02575
02576
02577 if (verbose >= 0) {
02578 fprintf(stderr, "Stream mapping:\n");
02579 for(i=0;i<nb_ostreams;i++) {
02580 ost = ost_table[i];
02581 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
02582 input_streams[ost->source_index].file_index,
02583 input_streams[ost->source_index].st->index,
02584 ost->file_index,
02585 ost->index);
02586 if (ost->sync_ist != &input_streams[ost->source_index])
02587 fprintf(stderr, " [sync #%d.%d]",
02588 ost->sync_ist->file_index,
02589 ost->sync_ist->st->index);
02590 fprintf(stderr, "\n");
02591 }
02592 }
02593
02594 if (ret) {
02595 fprintf(stderr, "%s\n", error);
02596 goto fail;
02597 }
02598
02599 if (want_sdp) {
02600 print_sdp(output_files, nb_output_files);
02601 }
02602
02603 if (!using_stdin) {
02604 if(verbose >= 0)
02605 fprintf(stderr, "Press [q] to stop, [?] for help\n");
02606 avio_set_interrupt_cb(decode_interrupt_cb);
02607 }
02608 term_init();
02609
02610 timer_start = av_gettime();
02611
02612 for(; received_sigterm == 0;) {
02613 int file_index, ist_index;
02614 AVPacket pkt;
02615 double ipts_min;
02616 double opts_min;
02617
02618 redo:
02619 ipts_min= 1e100;
02620 opts_min= 1e100;
02621
02622 if (!using_stdin) {
02623 if (q_pressed)
02624 break;
02625
02626 key = read_key();
02627 if (key == 'q')
02628 break;
02629 if (key == '+') verbose++;
02630 if (key == '-') verbose--;
02631 if (key == 's') qp_hist ^= 1;
02632 if (key == 'h'){
02633 if (do_hex_dump){
02634 do_hex_dump = do_pkt_dump = 0;
02635 } else if(do_pkt_dump){
02636 do_hex_dump = 1;
02637 } else
02638 do_pkt_dump = 1;
02639 av_log_set_level(AV_LOG_DEBUG);
02640 }
02641 if (key == 'd' || key == 'D'){
02642 int debug=0;
02643 if(key == 'D') {
02644 debug = input_streams[0].st->codec->debug<<1;
02645 if(!debug) debug = 1;
02646 while(debug & (FF_DEBUG_DCT_COEFF|FF_DEBUG_VIS_QP|FF_DEBUG_VIS_MB_TYPE))
02647 debug += debug;
02648 }else
02649 scanf("%d", &debug);
02650 for(i=0;i<nb_input_streams;i++) {
02651 input_streams[i].st->codec->debug = debug;
02652 }
02653 for(i=0;i<nb_ostreams;i++) {
02654 ost = ost_table[i];
02655 ost->st->codec->debug = debug;
02656 }
02657 if(debug) av_log_set_level(AV_LOG_DEBUG);
02658 fprintf(stderr,"debug=%d\n", debug);
02659 }
02660 if (key == '?'){
02661 fprintf(stderr, "key function\n"
02662 "? show this help\n"
02663 "+ increase verbosity\n"
02664 "- decrease verbosity\n"
02665 "D cycle through available debug modes\n"
02666 "h dump packets/hex press to cycle through the 3 states\n"
02667 "q quit\n"
02668 "s Show QP histogram\n"
02669 );
02670 }
02671 }
02672
02673
02674
02675 file_index = -1;
02676 for(i=0;i<nb_ostreams;i++) {
02677 double ipts, opts;
02678 ost = ost_table[i];
02679 os = output_files[ost->file_index];
02680 ist = &input_streams[ost->source_index];
02681 if(ist->is_past_recording_time || no_packet[ist->file_index])
02682 continue;
02683 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
02684 ipts = (double)ist->pts;
02685 if (!input_files[ist->file_index].eof_reached){
02686 if(ipts < ipts_min) {
02687 ipts_min = ipts;
02688 if(input_sync ) file_index = ist->file_index;
02689 }
02690 if(opts < opts_min) {
02691 opts_min = opts;
02692 if(!input_sync) file_index = ist->file_index;
02693 }
02694 }
02695 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
02696 file_index= -1;
02697 break;
02698 }
02699 }
02700
02701 if (file_index < 0) {
02702 if(no_packet_count){
02703 no_packet_count=0;
02704 memset(no_packet, 0, sizeof(no_packet));
02705 usleep(10000);
02706 continue;
02707 }
02708 break;
02709 }
02710
02711
02712 if (limit_filesize != 0 && limit_filesize <= avio_tell(output_files[0]->pb))
02713 break;
02714
02715
02716 is = input_files[file_index].ctx;
02717 ret= av_read_frame(is, &pkt);
02718 if(ret == AVERROR(EAGAIN)){
02719 no_packet[file_index]=1;
02720 no_packet_count++;
02721 continue;
02722 }
02723 if (ret < 0) {
02724 input_files[file_index].eof_reached = 1;
02725 if (opt_shortest)
02726 break;
02727 else
02728 continue;
02729 }
02730
02731 no_packet_count=0;
02732 memset(no_packet, 0, sizeof(no_packet));
02733
02734 if (do_pkt_dump) {
02735 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
02736 is->streams[pkt.stream_index]);
02737 }
02738
02739
02740 if (pkt.stream_index >= input_files[file_index].nb_streams)
02741 goto discard_packet;
02742 ist_index = input_files[file_index].ist_index + pkt.stream_index;
02743 ist = &input_streams[ist_index];
02744 if (ist->discard)
02745 goto discard_packet;
02746
02747 if (pkt.dts != AV_NOPTS_VALUE)
02748 pkt.dts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
02749 if (pkt.pts != AV_NOPTS_VALUE)
02750 pkt.pts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
02751
02752 if (pkt.stream_index < nb_input_files_ts_scale[file_index]
02753 && input_files_ts_scale[file_index][pkt.stream_index]){
02754 if(pkt.pts != AV_NOPTS_VALUE)
02755 pkt.pts *= input_files_ts_scale[file_index][pkt.stream_index];
02756 if(pkt.dts != AV_NOPTS_VALUE)
02757 pkt.dts *= input_files_ts_scale[file_index][pkt.stream_index];
02758 }
02759
02760
02761 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
02762 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
02763 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
02764 int64_t delta= pkt_dts - ist->next_pts;
02765 if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
02766 input_files_ts_offset[ist->file_index]-= delta;
02767 if (verbose > 2)
02768 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n", delta, input_files_ts_offset[ist->file_index]);
02769 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
02770 if(pkt.pts != AV_NOPTS_VALUE)
02771 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
02772 }
02773 }
02774
02775
02776 if (recording_time != INT64_MAX &&
02777 (pkt.pts != AV_NOPTS_VALUE ?
02778 av_compare_ts(pkt.pts, ist->st->time_base, recording_time + start_time, (AVRational){1, 1000000})
02779 :
02780 av_compare_ts(ist->pts, AV_TIME_BASE_Q, recording_time + start_time, (AVRational){1, 1000000})
02781 )>= 0) {
02782 ist->is_past_recording_time = 1;
02783 goto discard_packet;
02784 }
02785
02786
02787 if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
02788
02789 if (verbose >= 0)
02790 fprintf(stderr, "Error while decoding stream #%d.%d\n",
02791 ist->file_index, ist->st->index);
02792 if (exit_on_error)
02793 ffmpeg_exit(1);
02794 av_free_packet(&pkt);
02795 goto redo;
02796 }
02797
02798 discard_packet:
02799 av_free_packet(&pkt);
02800
02801
02802 print_report(output_files, ost_table, nb_ostreams, 0);
02803 }
02804
02805
02806 for (i = 0; i < nb_input_streams; i++) {
02807 ist = &input_streams[i];
02808 if (ist->decoding_needed) {
02809 output_packet(ist, i, ost_table, nb_ostreams, NULL);
02810 }
02811 }
02812
02813 term_exit();
02814
02815
02816 for(i=0;i<nb_output_files;i++) {
02817 os = output_files[i];
02818 av_write_trailer(os);
02819 }
02820
02821
02822 print_report(output_files, ost_table, nb_ostreams, 1);
02823
02824
02825 for(i=0;i<nb_ostreams;i++) {
02826 ost = ost_table[i];
02827 if (ost->encoding_needed) {
02828 av_freep(&ost->st->codec->stats_in);
02829 avcodec_close(ost->st->codec);
02830 }
02831 #if CONFIG_AVFILTER
02832 avfilter_graph_free(&ost->graph);
02833 #endif
02834 }
02835
02836
02837 for (i = 0; i < nb_input_streams; i++) {
02838 ist = &input_streams[i];
02839 if (ist->decoding_needed) {
02840 avcodec_close(ist->st->codec);
02841 }
02842 }
02843
02844
02845 ret = 0;
02846
02847 fail:
02848 av_freep(&bit_buffer);
02849
02850 if (ost_table) {
02851 for(i=0;i<nb_ostreams;i++) {
02852 ost = ost_table[i];
02853 if (ost) {
02854 if (ost->st->stream_copy)
02855 av_freep(&ost->st->codec->extradata);
02856 if (ost->logfile) {
02857 fclose(ost->logfile);
02858 ost->logfile = NULL;
02859 }
02860 av_fifo_free(ost->fifo);
02861
02862 av_freep(&ost->st->codec->subtitle_header);
02863 av_free(ost->resample_frame.data[0]);
02864 av_free(ost->forced_kf_pts);
02865 av_free(ost->forced_key_frames);
02866 if (ost->video_resample)
02867 sws_freeContext(ost->img_resample_ctx);
02868 if (ost->resample)
02869 audio_resample_close(ost->resample);
02870 if (ost->reformat_ctx)
02871 av_audio_convert_free(ost->reformat_ctx);
02872 av_free(ost);
02873 }
02874 }
02875 av_free(ost_table);
02876 }
02877 return ret;
02878 }
02879
02880 static int opt_format(const char *opt, const char *arg)
02881 {
02882 last_asked_format = arg;
02883 return 0;
02884 }
02885
02886 static int opt_video_rc_override_string(const char *opt, const char *arg)
02887 {
02888 video_rc_override_string = arg;
02889 return 0;
02890 }
02891
02892 static int opt_me_threshold(const char *opt, const char *arg)
02893 {
02894 me_threshold = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
02895 return 0;
02896 }
02897
02898 static int opt_verbose(const char *opt, const char *arg)
02899 {
02900 verbose = parse_number_or_die(opt, arg, OPT_INT64, -10, 10);
02901 return 0;
02902 }
02903
02904 static int opt_frame_rate(const char *opt, const char *arg)
02905 {
02906 if (av_parse_video_rate(&frame_rate, arg) < 0) {
02907 fprintf(stderr, "Incorrect value for %s: %s\n", opt, arg);
02908 ffmpeg_exit(1);
02909 }
02910 return 0;
02911 }
02912
02913 static int opt_bitrate(const char *opt, const char *arg)
02914 {
02915 int codec_type = opt[0]=='a' ? AVMEDIA_TYPE_AUDIO : AVMEDIA_TYPE_VIDEO;
02916
02917 opt_default(opt, arg);
02918
02919 if (av_get_int(avcodec_opts[codec_type], "b", NULL) < 1000)
02920 fprintf(stderr, "WARNING: The bitrate parameter is set too low. It takes bits/s as argument, not kbits/s\n");
02921
02922 return 0;
02923 }
02924
02925 static int opt_frame_crop(const char *opt, const char *arg)
02926 {
02927 fprintf(stderr, "Option '%s' has been removed, use the crop filter instead\n", opt);
02928 return AVERROR(EINVAL);
02929 }
02930
02931 static int opt_frame_size(const char *opt, const char *arg)
02932 {
02933 if (av_parse_video_size(&frame_width, &frame_height, arg) < 0) {
02934 fprintf(stderr, "Incorrect frame size\n");
02935 return AVERROR(EINVAL);
02936 }
02937 return 0;
02938 }
02939
02940 static int opt_pad(const char *opt, const char *arg) {
02941 fprintf(stderr, "Option '%s' has been removed, use the pad filter instead\n", opt);
02942 return -1;
02943 }
02944
02945 static int opt_frame_pix_fmt(const char *opt, const char *arg)
02946 {
02947 if (strcmp(arg, "list")) {
02948 frame_pix_fmt = av_get_pix_fmt(arg);
02949 if (frame_pix_fmt == PIX_FMT_NONE) {
02950 fprintf(stderr, "Unknown pixel format requested: %s\n", arg);
02951 return AVERROR(EINVAL);
02952 }
02953 } else {
02954 opt_pix_fmts(NULL, NULL);
02955 ffmpeg_exit(0);
02956 }
02957 return 0;
02958 }
02959
02960 static int opt_frame_aspect_ratio(const char *opt, const char *arg)
02961 {
02962 int x = 0, y = 0;
02963 double ar = 0;
02964 const char *p;
02965 char *end;
02966
02967 p = strchr(arg, ':');
02968 if (p) {
02969 x = strtol(arg, &end, 10);
02970 if (end == p)
02971 y = strtol(end+1, &end, 10);
02972 if (x > 0 && y > 0)
02973 ar = (double)x / (double)y;
02974 } else
02975 ar = strtod(arg, NULL);
02976
02977 if (!ar) {
02978 fprintf(stderr, "Incorrect aspect ratio specification.\n");
02979 return AVERROR(EINVAL);
02980 }
02981 frame_aspect_ratio = ar;
02982 return 0;
02983 }
02984
02985 static int opt_metadata(const char *opt, const char *arg)
02986 {
02987 char *mid= strchr(arg, '=');
02988
02989 if(!mid){
02990 fprintf(stderr, "Missing =\n");
02991 ffmpeg_exit(1);
02992 }
02993 *mid++= 0;
02994
02995 av_dict_set(&metadata, arg, mid, 0);
02996
02997 return 0;
02998 }
02999
03000 static int opt_qscale(const char *opt, const char *arg)
03001 {
03002 video_qscale = parse_number_or_die(opt, arg, OPT_FLOAT, 0, 255);
03003 if (video_qscale <= 0 || video_qscale > 255) {
03004 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
03005 return AVERROR(EINVAL);
03006 }
03007 return 0;
03008 }
03009
03010 static int opt_top_field_first(const char *opt, const char *arg)
03011 {
03012 top_field_first = parse_number_or_die(opt, arg, OPT_INT, 0, 1);
03013 opt_default(opt, arg);
03014 return 0;
03015 }
03016
03017 static int opt_thread_count(const char *opt, const char *arg)
03018 {
03019 thread_count= parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
03020 #if !HAVE_THREADS
03021 if (verbose >= 0)
03022 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
03023 #endif
03024 return 0;
03025 }
03026
03027 static int opt_audio_sample_fmt(const char *opt, const char *arg)
03028 {
03029 if (strcmp(arg, "list")) {
03030 audio_sample_fmt = av_get_sample_fmt(arg);
03031 if (audio_sample_fmt == AV_SAMPLE_FMT_NONE) {
03032 av_log(NULL, AV_LOG_ERROR, "Invalid sample format '%s'\n", arg);
03033 return AVERROR(EINVAL);
03034 }
03035 } else {
03036 int i;
03037 char fmt_str[128];
03038 for (i = -1; i < AV_SAMPLE_FMT_NB; i++)
03039 printf("%s\n", av_get_sample_fmt_string(fmt_str, sizeof(fmt_str), i));
03040 ffmpeg_exit(0);
03041 }
03042 return 0;
03043 }
03044
03045 static int opt_audio_rate(const char *opt, const char *arg)
03046 {
03047 audio_sample_rate = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
03048 return 0;
03049 }
03050
03051 static int opt_audio_channels(const char *opt, const char *arg)
03052 {
03053 audio_channels = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
03054 return 0;
03055 }
03056
03057 static int opt_video_channel(const char *opt, const char *arg)
03058 {
03059 video_channel = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
03060 return 0;
03061 }
03062
03063 static int opt_video_standard(const char *opt, const char *arg)
03064 {
03065 video_standard = av_strdup(arg);
03066 return 0;
03067 }
03068
03069 static int opt_codec(const char *opt, const char *arg)
03070 {
03071 int *pstream_copy; char **pcodec_name; enum AVMediaType codec_type;
03072
03073 if (!strcmp(opt, "acodec")) { pstream_copy = &audio_stream_copy; pcodec_name = &audio_codec_name; codec_type = AVMEDIA_TYPE_AUDIO; }
03074 else if (!strcmp(opt, "vcodec")) { pstream_copy = &video_stream_copy; pcodec_name = &video_codec_name; codec_type = AVMEDIA_TYPE_VIDEO; }
03075 else if (!strcmp(opt, "scodec")) { pstream_copy = &subtitle_stream_copy; pcodec_name = &subtitle_codec_name; codec_type = AVMEDIA_TYPE_SUBTITLE; }
03076 else if (!strcmp(opt, "dcodec")) { pstream_copy = &data_stream_copy; pcodec_name = &data_codec_name; codec_type = AVMEDIA_TYPE_DATA; }
03077
03078 av_freep(pcodec_name);
03079 if (!strcmp(arg, "copy")) {
03080 *pstream_copy = 1;
03081 } else {
03082 *pcodec_name = av_strdup(arg);
03083 }
03084 return 0;
03085 }
03086
03087 static int opt_codec_tag(const char *opt, const char *arg)
03088 {
03089 char *tail;
03090 uint32_t *codec_tag;
03091
03092 codec_tag = !strcmp(opt, "atag") ? &audio_codec_tag :
03093 !strcmp(opt, "vtag") ? &video_codec_tag :
03094 !strcmp(opt, "stag") ? &subtitle_codec_tag : NULL;
03095 if (!codec_tag)
03096 return -1;
03097
03098 *codec_tag = strtol(arg, &tail, 0);
03099 if (!tail || *tail)
03100 *codec_tag = AV_RL32(arg);
03101
03102 return 0;
03103 }
03104
03105 static int opt_map(const char *opt, const char *arg)
03106 {
03107 AVStreamMap *m;
03108 char *p;
03109
03110 stream_maps = grow_array(stream_maps, sizeof(*stream_maps), &nb_stream_maps, nb_stream_maps + 1);
03111 m = &stream_maps[nb_stream_maps-1];
03112
03113 m->file_index = strtol(arg, &p, 0);
03114 if (*p)
03115 p++;
03116
03117 m->stream_index = strtol(p, &p, 0);
03118 if (*p) {
03119 p++;
03120 m->sync_file_index = strtol(p, &p, 0);
03121 if (*p)
03122 p++;
03123 m->sync_stream_index = strtol(p, &p, 0);
03124 } else {
03125 m->sync_file_index = m->file_index;
03126 m->sync_stream_index = m->stream_index;
03127 }
03128 return 0;
03129 }
03130
03131 static void parse_meta_type(char *arg, char *type, int *index, char **endptr)
03132 {
03133 *endptr = arg;
03134 if (*arg == ',') {
03135 *type = *(++arg);
03136 switch (*arg) {
03137 case 'g':
03138 break;
03139 case 's':
03140 case 'c':
03141 case 'p':
03142 *index = strtol(++arg, endptr, 0);
03143 break;
03144 default:
03145 fprintf(stderr, "Invalid metadata type %c.\n", *arg);
03146 ffmpeg_exit(1);
03147 }
03148 } else
03149 *type = 'g';
03150 }
03151
03152 static int opt_map_metadata(const char *opt, const char *arg)
03153 {
03154 AVMetaDataMap *m, *m1;
03155 char *p;
03156
03157 meta_data_maps = grow_array(meta_data_maps, sizeof(*meta_data_maps),
03158 &nb_meta_data_maps, nb_meta_data_maps + 1);
03159
03160 m = &meta_data_maps[nb_meta_data_maps - 1][0];
03161 m->file = strtol(arg, &p, 0);
03162 parse_meta_type(p, &m->type, &m->index, &p);
03163 if (*p)
03164 p++;
03165
03166 m1 = &meta_data_maps[nb_meta_data_maps - 1][1];
03167 m1->file = strtol(p, &p, 0);
03168 parse_meta_type(p, &m1->type, &m1->index, &p);
03169
03170 if (m->type == 'g' || m1->type == 'g')
03171 metadata_global_autocopy = 0;
03172 if (m->type == 's' || m1->type == 's')
03173 metadata_streams_autocopy = 0;
03174 if (m->type == 'c' || m1->type == 'c')
03175 metadata_chapters_autocopy = 0;
03176
03177 return 0;
03178 }
03179
03180 static int opt_map_meta_data(const char *opt, const char *arg)
03181 {
03182 fprintf(stderr, "-map_meta_data is deprecated and will be removed soon. "
03183 "Use -map_metadata instead.\n");
03184 return opt_map_metadata(opt, arg);
03185 }
03186
03187 static int opt_map_chapters(const char *opt, const char *arg)
03188 {
03189 AVChapterMap *c;
03190 char *p;
03191
03192 chapter_maps = grow_array(chapter_maps, sizeof(*chapter_maps), &nb_chapter_maps,
03193 nb_chapter_maps + 1);
03194 c = &chapter_maps[nb_chapter_maps - 1];
03195 c->out_file = strtol(arg, &p, 0);
03196 if (*p)
03197 p++;
03198
03199 c->in_file = strtol(p, &p, 0);
03200 return 0;
03201 }
03202
03203 static int opt_input_ts_scale(const char *opt, const char *arg)
03204 {
03205 unsigned int stream;
03206 double scale;
03207 char *p;
03208
03209 stream = strtol(arg, &p, 0);
03210 if (*p)
03211 p++;
03212 scale= strtod(p, &p);
03213
03214 if(stream >= MAX_STREAMS)
03215 ffmpeg_exit(1);
03216
03217 input_files_ts_scale[nb_input_files] = grow_array(input_files_ts_scale[nb_input_files], sizeof(*input_files_ts_scale[nb_input_files]), &nb_input_files_ts_scale[nb_input_files], stream + 1);
03218 input_files_ts_scale[nb_input_files][stream]= scale;
03219 return 0;
03220 }
03221
03222 static int opt_recording_time(const char *opt, const char *arg)
03223 {
03224 recording_time = parse_time_or_die(opt, arg, 1);
03225 return 0;
03226 }
03227
03228 static int opt_start_time(const char *opt, const char *arg)
03229 {
03230 start_time = parse_time_or_die(opt, arg, 1);
03231 return 0;
03232 }
03233
03234 static int opt_recording_timestamp(const char *opt, const char *arg)
03235 {
03236 recording_timestamp = parse_time_or_die(opt, arg, 0) / 1000000;
03237 return 0;
03238 }
03239
03240 static int opt_input_ts_offset(const char *opt, const char *arg)
03241 {
03242 input_ts_offset = parse_time_or_die(opt, arg, 1);
03243 return 0;
03244 }
03245
03246 static enum CodecID find_codec_or_die(const char *name, int type, int encoder, int strict)
03247 {
03248 const char *codec_string = encoder ? "encoder" : "decoder";
03249 AVCodec *codec;
03250
03251 if(!name)
03252 return CODEC_ID_NONE;
03253 codec = encoder ?
03254 avcodec_find_encoder_by_name(name) :
03255 avcodec_find_decoder_by_name(name);
03256 if(!codec) {
03257 fprintf(stderr, "Unknown %s '%s'\n", codec_string, name);
03258 ffmpeg_exit(1);
03259 }
03260 if(codec->type != type) {
03261 fprintf(stderr, "Invalid %s type '%s'\n", codec_string, name);
03262 ffmpeg_exit(1);
03263 }
03264 if(codec->capabilities & CODEC_CAP_EXPERIMENTAL &&
03265 strict > FF_COMPLIANCE_EXPERIMENTAL) {
03266 fprintf(stderr, "%s '%s' is experimental and might produce bad "
03267 "results.\nAdd '-strict experimental' if you want to use it.\n",
03268 codec_string, codec->name);
03269 codec = encoder ?
03270 avcodec_find_encoder(codec->id) :
03271 avcodec_find_decoder(codec->id);
03272 if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
03273 fprintf(stderr, "Or use the non experimental %s '%s'.\n",
03274 codec_string, codec->name);
03275 ffmpeg_exit(1);
03276 }
03277 return codec->id;
03278 }
03279
03280 static int opt_input_file(const char *opt, const char *filename)
03281 {
03282 AVFormatContext *ic;
03283 AVFormatParameters params, *ap = ¶ms;
03284 AVInputFormat *file_iformat = NULL;
03285 int err, i, ret, rfps, rfps_base;
03286 int64_t timestamp;
03287
03288 if (last_asked_format) {
03289 if (!(file_iformat = av_find_input_format(last_asked_format))) {
03290 fprintf(stderr, "Unknown input format: '%s'\n", last_asked_format);
03291 ffmpeg_exit(1);
03292 }
03293 last_asked_format = NULL;
03294 }
03295
03296 if (!strcmp(filename, "-"))
03297 filename = "pipe:";
03298
03299 using_stdin |= !strncmp(filename, "pipe:", 5) ||
03300 !strcmp(filename, "/dev/stdin");
03301
03302
03303 ic = avformat_alloc_context();
03304 if (!ic) {
03305 print_error(filename, AVERROR(ENOMEM));
03306 ffmpeg_exit(1);
03307 }
03308
03309 memset(ap, 0, sizeof(*ap));
03310 ap->prealloced_context = 1;
03311 ap->sample_rate = audio_sample_rate;
03312 ap->channels = audio_channels;
03313 ap->time_base.den = frame_rate.num;
03314 ap->time_base.num = frame_rate.den;
03315 ap->width = frame_width;
03316 ap->height = frame_height;
03317 ap->pix_fmt = frame_pix_fmt;
03318
03319 ap->channel = video_channel;
03320 ap->standard = video_standard;
03321
03322 set_context_opts(ic, avformat_opts, AV_OPT_FLAG_DECODING_PARAM, NULL);
03323
03324 ic->video_codec_id =
03325 find_codec_or_die(video_codec_name , AVMEDIA_TYPE_VIDEO , 0,
03326 avcodec_opts[AVMEDIA_TYPE_VIDEO ]->strict_std_compliance);
03327 ic->audio_codec_id =
03328 find_codec_or_die(audio_codec_name , AVMEDIA_TYPE_AUDIO , 0,
03329 avcodec_opts[AVMEDIA_TYPE_AUDIO ]->strict_std_compliance);
03330 ic->subtitle_codec_id=
03331 find_codec_or_die(subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 0,
03332 avcodec_opts[AVMEDIA_TYPE_SUBTITLE]->strict_std_compliance);
03333 ic->flags |= AVFMT_FLAG_NONBLOCK | AVFMT_FLAG_PRIV_OPT;
03334
03335
03336 err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
03337 if(err >= 0){
03338 set_context_opts(ic, avformat_opts, AV_OPT_FLAG_DECODING_PARAM, NULL);
03339 err = av_demuxer_open(ic, ap);
03340 if(err < 0)
03341 avformat_free_context(ic);
03342 }
03343 if (err < 0) {
03344 print_error(filename, err);
03345 ffmpeg_exit(1);
03346 }
03347 if(opt_programid) {
03348 int i, j;
03349 int found=0;
03350 for(i=0; i<ic->nb_streams; i++){
03351 ic->streams[i]->discard= AVDISCARD_ALL;
03352 }
03353 for(i=0; i<ic->nb_programs; i++){
03354 AVProgram *p= ic->programs[i];
03355 if(p->id != opt_programid){
03356 p->discard = AVDISCARD_ALL;
03357 }else{
03358 found=1;
03359 for(j=0; j<p->nb_stream_indexes; j++){
03360 ic->streams[p->stream_index[j]]->discard= AVDISCARD_DEFAULT;
03361 }
03362 }
03363 }
03364 if(!found){
03365 fprintf(stderr, "Specified program id not found\n");
03366 ffmpeg_exit(1);
03367 }
03368 opt_programid=0;
03369 }
03370
03371 ic->loop_input = loop_input;
03372
03373
03374
03375 ret = av_find_stream_info(ic);
03376 if (ret < 0 && verbose >= 0) {
03377 fprintf(stderr, "%s: could not find codec parameters\n", filename);
03378 av_close_input_file(ic);
03379 ffmpeg_exit(1);
03380 }
03381
03382 timestamp = start_time;
03383
03384 if (ic->start_time != AV_NOPTS_VALUE)
03385 timestamp += ic->start_time;
03386
03387
03388 if (start_time != 0) {
03389 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
03390 if (ret < 0) {
03391 fprintf(stderr, "%s: could not seek to position %0.3f\n",
03392 filename, (double)timestamp / AV_TIME_BASE);
03393 }
03394
03395 start_time = 0;
03396 }
03397
03398
03399 for(i=0;i<ic->nb_streams;i++) {
03400 AVStream *st = ic->streams[i];
03401 AVCodecContext *dec = st->codec;
03402 AVInputStream *ist;
03403
03404 dec->thread_count = thread_count;
03405 input_codecs = grow_array(input_codecs, sizeof(*input_codecs), &nb_input_codecs, nb_input_codecs + 1);
03406
03407 input_streams = grow_array(input_streams, sizeof(*input_streams), &nb_input_streams, nb_input_streams + 1);
03408 ist = &input_streams[nb_input_streams - 1];
03409 ist->st = st;
03410 ist->file_index = nb_input_files;
03411 ist->discard = 1;
03412
03413 switch (dec->codec_type) {
03414 case AVMEDIA_TYPE_AUDIO:
03415 input_codecs[nb_input_codecs-1] = avcodec_find_decoder_by_name(audio_codec_name);
03416 if(!input_codecs[nb_input_codecs-1])
03417 input_codecs[nb_input_codecs-1] = avcodec_find_decoder(dec->codec_id);
03418 set_context_opts(dec, avcodec_opts[AVMEDIA_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_DECODING_PARAM, input_codecs[nb_input_codecs-1]);
03419 channel_layout = dec->channel_layout;
03420 audio_sample_fmt = dec->sample_fmt;
03421 if(audio_disable)
03422 st->discard= AVDISCARD_ALL;
03423 break;
03424 case AVMEDIA_TYPE_VIDEO:
03425 input_codecs[nb_input_codecs-1] = avcodec_find_decoder_by_name(video_codec_name);
03426 if(!input_codecs[nb_input_codecs-1])
03427 input_codecs[nb_input_codecs-1] = avcodec_find_decoder(dec->codec_id);
03428 set_context_opts(dec, avcodec_opts[AVMEDIA_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM, input_codecs[nb_input_codecs-1]);
03429 rfps = ic->streams[i]->r_frame_rate.num;
03430 rfps_base = ic->streams[i]->r_frame_rate.den;
03431 if (dec->lowres) {
03432 dec->flags |= CODEC_FLAG_EMU_EDGE;
03433 dec->height >>= dec->lowres;
03434 dec->width >>= dec->lowres;
03435 }
03436 if(me_threshold)
03437 dec->debug |= FF_DEBUG_MV;
03438
03439 if (dec->time_base.den != rfps*dec->ticks_per_frame || dec->time_base.num != rfps_base) {
03440
03441 if (verbose >= 0)
03442 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
03443 i, (float)dec->time_base.den / dec->time_base.num, dec->time_base.den, dec->time_base.num,
03444
03445 (float)rfps / rfps_base, rfps, rfps_base);
03446 }
03447
03448 if(video_disable)
03449 st->discard= AVDISCARD_ALL;
03450 else if(video_discard)
03451 st->discard= video_discard;
03452 break;
03453 case AVMEDIA_TYPE_DATA:
03454 break;
03455 case AVMEDIA_TYPE_SUBTITLE:
03456 input_codecs[nb_input_codecs-1] = avcodec_find_decoder_by_name(subtitle_codec_name);
03457 if(!input_codecs[nb_input_codecs-1])
03458 input_codecs[nb_input_codecs-1] = avcodec_find_decoder(dec->codec_id);
03459 if(subtitle_disable)
03460 st->discard = AVDISCARD_ALL;
03461 break;
03462 case AVMEDIA_TYPE_ATTACHMENT:
03463 case AVMEDIA_TYPE_UNKNOWN:
03464 break;
03465 default:
03466 abort();
03467 }
03468 }
03469
03470 input_files_ts_offset[nb_input_files] = input_ts_offset - (copy_ts ? 0 : timestamp);
03471
03472 if (verbose >= 0)
03473 av_dump_format(ic, nb_input_files, filename, 0);
03474
03475 input_files = grow_array(input_files, sizeof(*input_files), &nb_input_files, nb_input_files + 1);
03476 input_files[nb_input_files - 1].ctx = ic;
03477 input_files[nb_input_files - 1].ist_index = nb_input_streams - ic->nb_streams;
03478 input_files[nb_input_files - 1].nb_streams = ic->nb_streams;
03479
03480 top_field_first = -1;
03481 video_channel = 0;
03482 frame_rate = (AVRational){0, 0};
03483 frame_pix_fmt = PIX_FMT_NONE;
03484 frame_height = 0;
03485 frame_width = 0;
03486 audio_sample_rate = 0;
03487 audio_channels = 0;
03488
03489 av_freep(&video_codec_name);
03490 av_freep(&audio_codec_name);
03491 av_freep(&subtitle_codec_name);
03492 uninit_opts();
03493 init_opts();
03494 return 0;
03495 }
03496
03497 static void check_inputs(int *has_video_ptr,
03498 int *has_audio_ptr,
03499 int *has_subtitle_ptr,
03500 int *has_data_ptr)
03501 {
03502 int has_video, has_audio, has_subtitle, has_data, i, j;
03503 AVFormatContext *ic;
03504
03505 has_video = 0;
03506 has_audio = 0;
03507 has_subtitle = 0;
03508 has_data = 0;
03509
03510 for(j=0;j<nb_input_files;j++) {
03511 ic = input_files[j].ctx;
03512 for(i=0;i<ic->nb_streams;i++) {
03513 AVCodecContext *enc = ic->streams[i]->codec;
03514 switch(enc->codec_type) {
03515 case AVMEDIA_TYPE_AUDIO:
03516 has_audio = 1;
03517 break;
03518 case AVMEDIA_TYPE_VIDEO:
03519 has_video = 1;
03520 break;
03521 case AVMEDIA_TYPE_SUBTITLE:
03522 has_subtitle = 1;
03523 break;
03524 case AVMEDIA_TYPE_DATA:
03525 case AVMEDIA_TYPE_ATTACHMENT:
03526 case AVMEDIA_TYPE_UNKNOWN:
03527 has_data = 1;
03528 break;
03529 default:
03530 abort();
03531 }
03532 }
03533 }
03534 *has_video_ptr = has_video;
03535 *has_audio_ptr = has_audio;
03536 *has_subtitle_ptr = has_subtitle;
03537 *has_data_ptr = has_data;
03538 }
03539
03540 static void new_video_stream(AVFormatContext *oc, int file_idx)
03541 {
03542 AVStream *st;
03543 AVOutputStream *ost;
03544 AVCodecContext *video_enc;
03545 enum CodecID codec_id = CODEC_ID_NONE;
03546 AVCodec *codec= NULL;
03547
03548 st = av_new_stream(oc, oc->nb_streams < nb_streamid_map ? streamid_map[oc->nb_streams] : 0);
03549 if (!st) {
03550 fprintf(stderr, "Could not alloc stream\n");
03551 ffmpeg_exit(1);
03552 }
03553 ost = new_output_stream(oc, file_idx);
03554
03555 if(!video_stream_copy){
03556 if (video_codec_name) {
03557 codec_id = find_codec_or_die(video_codec_name, AVMEDIA_TYPE_VIDEO, 1,
03558 avcodec_opts[AVMEDIA_TYPE_VIDEO]->strict_std_compliance);
03559 codec = avcodec_find_encoder_by_name(video_codec_name);
03560 ost->enc = codec;
03561 } else {
03562 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, AVMEDIA_TYPE_VIDEO);
03563 codec = avcodec_find_encoder(codec_id);
03564 }
03565 ost->frame_aspect_ratio = frame_aspect_ratio;
03566 frame_aspect_ratio = 0;
03567 #if CONFIG_AVFILTER
03568 ost->avfilter = vfilters;
03569 vfilters = NULL;
03570 #endif
03571 }
03572
03573 avcodec_get_context_defaults3(st->codec, codec);
03574 ost->bitstream_filters = video_bitstream_filters;
03575 video_bitstream_filters= NULL;
03576
03577 st->codec->thread_count= thread_count;
03578
03579 video_enc = st->codec;
03580
03581 if(video_codec_tag)
03582 video_enc->codec_tag= video_codec_tag;
03583
03584 if(oc->oformat->flags & AVFMT_GLOBALHEADER) {
03585 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
03586 avcodec_opts[AVMEDIA_TYPE_VIDEO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
03587 }
03588
03589 if (video_stream_copy) {
03590 st->stream_copy = 1;
03591 video_enc->codec_type = AVMEDIA_TYPE_VIDEO;
03592 video_enc->sample_aspect_ratio =
03593 st->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255);
03594 } else {
03595 const char *p;
03596 int i;
03597
03598 if (frame_rate.num)
03599 ost->frame_rate = frame_rate;
03600 video_enc->codec_id = codec_id;
03601 set_context_opts(video_enc, avcodec_opts[AVMEDIA_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM, codec);
03602
03603 video_enc->width = frame_width;
03604 video_enc->height = frame_height;
03605 video_enc->pix_fmt = frame_pix_fmt;
03606 video_enc->bits_per_raw_sample = frame_bits_per_raw_sample;
03607 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
03608
03609 if (intra_only)
03610 video_enc->gop_size = 0;
03611 if (video_qscale || same_quality) {
03612 video_enc->flags |= CODEC_FLAG_QSCALE;
03613 video_enc->global_quality=
03614 st->quality = FF_QP2LAMBDA * video_qscale;
03615 }
03616
03617 if(intra_matrix)
03618 video_enc->intra_matrix = intra_matrix;
03619 if(inter_matrix)
03620 video_enc->inter_matrix = inter_matrix;
03621
03622 p= video_rc_override_string;
03623 for(i=0; p; i++){
03624 int start, end, q;
03625 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
03626 if(e!=3){
03627 fprintf(stderr, "error parsing rc_override\n");
03628 ffmpeg_exit(1);
03629 }
03630 video_enc->rc_override=
03631 av_realloc(video_enc->rc_override,
03632 sizeof(RcOverride)*(i+1));
03633 video_enc->rc_override[i].start_frame= start;
03634 video_enc->rc_override[i].end_frame = end;
03635 if(q>0){
03636 video_enc->rc_override[i].qscale= q;
03637 video_enc->rc_override[i].quality_factor= 1.0;
03638 }
03639 else{
03640 video_enc->rc_override[i].qscale= 0;
03641 video_enc->rc_override[i].quality_factor= -q/100.0;
03642 }
03643 p= strchr(p, '/');
03644 if(p) p++;
03645 }
03646 video_enc->rc_override_count=i;
03647 if (!video_enc->rc_initial_buffer_occupancy)
03648 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
03649 video_enc->me_threshold= me_threshold;
03650 video_enc->intra_dc_precision= intra_dc_precision - 8;
03651
03652 if (do_psnr)
03653 video_enc->flags|= CODEC_FLAG_PSNR;
03654
03655
03656 if (do_pass) {
03657 if (do_pass == 1) {
03658 video_enc->flags |= CODEC_FLAG_PASS1;
03659 } else {
03660 video_enc->flags |= CODEC_FLAG_PASS2;
03661 }
03662 }
03663
03664 if (forced_key_frames) {
03665 ost->forced_key_frames = forced_key_frames;
03666 forced_key_frames = NULL;
03667 }
03668 }
03669 if (video_language) {
03670 av_dict_set(&st->metadata, "language", video_language, 0);
03671 av_freep(&video_language);
03672 }
03673
03674
03675 video_disable = 0;
03676 av_freep(&video_codec_name);
03677 video_stream_copy = 0;
03678 frame_pix_fmt = PIX_FMT_NONE;
03679 }
03680
03681 static void new_audio_stream(AVFormatContext *oc, int file_idx)
03682 {
03683 AVStream *st;
03684 AVOutputStream *ost;
03685 AVCodec *codec= NULL;
03686 AVCodecContext *audio_enc;
03687 enum CodecID codec_id = CODEC_ID_NONE;
03688
03689 st = av_new_stream(oc, oc->nb_streams < nb_streamid_map ? streamid_map[oc->nb_streams] : 0);
03690 if (!st) {
03691 fprintf(stderr, "Could not alloc stream\n");
03692 ffmpeg_exit(1);
03693 }
03694 ost = new_output_stream(oc, file_idx);
03695
03696 if(!audio_stream_copy){
03697 if (audio_codec_name) {
03698 codec_id = find_codec_or_die(audio_codec_name, AVMEDIA_TYPE_AUDIO, 1,
03699 avcodec_opts[AVMEDIA_TYPE_AUDIO]->strict_std_compliance);
03700 codec = avcodec_find_encoder_by_name(audio_codec_name);
03701 ost->enc = codec;
03702 } else {
03703 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, AVMEDIA_TYPE_AUDIO);
03704 codec = avcodec_find_encoder(codec_id);
03705 }
03706 }
03707
03708 avcodec_get_context_defaults3(st->codec, codec);
03709
03710 ost->bitstream_filters = audio_bitstream_filters;
03711 audio_bitstream_filters= NULL;
03712
03713 st->codec->thread_count= thread_count;
03714
03715 audio_enc = st->codec;
03716 audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
03717
03718 if(audio_codec_tag)
03719 audio_enc->codec_tag= audio_codec_tag;
03720
03721 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
03722 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
03723 avcodec_opts[AVMEDIA_TYPE_AUDIO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
03724 }
03725 if (audio_stream_copy) {
03726 st->stream_copy = 1;
03727 } else {
03728 audio_enc->codec_id = codec_id;
03729 set_context_opts(audio_enc, avcodec_opts[AVMEDIA_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_ENCODING_PARAM, codec);
03730
03731 if (audio_qscale > QSCALE_NONE) {
03732 audio_enc->flags |= CODEC_FLAG_QSCALE;
03733 audio_enc->global_quality = st->quality = FF_QP2LAMBDA * audio_qscale;
03734 }
03735 if (audio_channels)
03736 audio_enc->channels = audio_channels;
03737 audio_enc->sample_fmt = audio_sample_fmt;
03738 if (audio_sample_rate)
03739 audio_enc->sample_rate = audio_sample_rate;
03740 audio_enc->channel_layout = channel_layout;
03741 choose_sample_fmt(st, codec);
03742 }
03743 if (audio_language) {
03744 av_dict_set(&st->metadata, "language", audio_language, 0);
03745 av_freep(&audio_language);
03746 }
03747
03748
03749 audio_disable = 0;
03750 av_freep(&audio_codec_name);
03751 audio_stream_copy = 0;
03752 }
03753
03754 static void new_data_stream(AVFormatContext *oc, int file_idx)
03755 {
03756 AVStream *st;
03757 AVCodec *codec=NULL;
03758 AVCodecContext *data_enc;
03759
03760 st = av_new_stream(oc, oc->nb_streams < nb_streamid_map ? streamid_map[oc->nb_streams] : 0);
03761 if (!st) {
03762 fprintf(stderr, "Could not alloc stream\n");
03763 ffmpeg_exit(1);
03764 }
03765 new_output_stream(oc, file_idx);
03766 data_enc = st->codec;
03767 if (!data_stream_copy) {
03768 fprintf(stderr, "Data stream encoding not supported yet (only streamcopy)\n");
03769 ffmpeg_exit(1);
03770 }
03771 avcodec_get_context_defaults3(st->codec, codec);
03772
03773 data_enc->codec_type = AVMEDIA_TYPE_DATA;
03774
03775 if (data_codec_tag)
03776 data_enc->codec_tag= data_codec_tag;
03777
03778 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
03779 data_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
03780 avcodec_opts[AVMEDIA_TYPE_DATA]->flags |= CODEC_FLAG_GLOBAL_HEADER;
03781 }
03782 if (data_stream_copy) {
03783 st->stream_copy = 1;
03784 }
03785
03786 data_disable = 0;
03787 av_freep(&data_codec_name);
03788 data_stream_copy = 0;
03789 }
03790
03791 static void new_subtitle_stream(AVFormatContext *oc, int file_idx)
03792 {
03793 AVStream *st;
03794 AVOutputStream *ost;
03795 AVCodec *codec=NULL;
03796 AVCodecContext *subtitle_enc;
03797 enum CodecID codec_id = CODEC_ID_NONE;
03798
03799 st = av_new_stream(oc, oc->nb_streams < nb_streamid_map ? streamid_map[oc->nb_streams] : 0);
03800 if (!st) {
03801 fprintf(stderr, "Could not alloc stream\n");
03802 ffmpeg_exit(1);
03803 }
03804 ost = new_output_stream(oc, file_idx);
03805 subtitle_enc = st->codec;
03806 if(!subtitle_stream_copy){
03807 if (subtitle_codec_name) {
03808 codec_id = find_codec_or_die(subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 1,
03809 avcodec_opts[AVMEDIA_TYPE_SUBTITLE]->strict_std_compliance);
03810 codec = avcodec_find_encoder_by_name(subtitle_codec_name);
03811 ost->enc = codec;
03812 } else {
03813 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, AVMEDIA_TYPE_SUBTITLE);
03814 codec = avcodec_find_encoder(codec_id);
03815 }
03816 }
03817 avcodec_get_context_defaults3(st->codec, codec);
03818
03819 ost->bitstream_filters = subtitle_bitstream_filters;
03820 subtitle_bitstream_filters= NULL;
03821
03822 subtitle_enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
03823
03824 if(subtitle_codec_tag)
03825 subtitle_enc->codec_tag= subtitle_codec_tag;
03826
03827 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
03828 subtitle_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
03829 avcodec_opts[AVMEDIA_TYPE_SUBTITLE]->flags |= CODEC_FLAG_GLOBAL_HEADER;
03830 }
03831 if (subtitle_stream_copy) {
03832 st->stream_copy = 1;
03833 } else {
03834 subtitle_enc->codec_id = codec_id;
03835 set_context_opts(avcodec_opts[AVMEDIA_TYPE_SUBTITLE], subtitle_enc, AV_OPT_FLAG_SUBTITLE_PARAM | AV_OPT_FLAG_ENCODING_PARAM, codec);
03836 }
03837
03838 if (subtitle_language) {
03839 av_dict_set(&st->metadata, "language", subtitle_language, 0);
03840 av_freep(&subtitle_language);
03841 }
03842
03843 subtitle_disable = 0;
03844 av_freep(&subtitle_codec_name);
03845 subtitle_stream_copy = 0;
03846 }
03847
03848 static int opt_new_stream(const char *opt, const char *arg)
03849 {
03850 AVFormatContext *oc;
03851 int file_idx = nb_output_files - 1;
03852 if (nb_output_files <= 0) {
03853 fprintf(stderr, "At least one output file must be specified\n");
03854 ffmpeg_exit(1);
03855 }
03856 oc = output_files[file_idx];
03857
03858 if (!strcmp(opt, "newvideo" )) new_video_stream (oc, file_idx);
03859 else if (!strcmp(opt, "newaudio" )) new_audio_stream (oc, file_idx);
03860 else if (!strcmp(opt, "newsubtitle")) new_subtitle_stream(oc, file_idx);
03861 else if (!strcmp(opt, "newdata" )) new_data_stream (oc, file_idx);
03862 else av_assert0(0);
03863 return 0;
03864 }
03865
03866
03867 static int opt_streamid(const char *opt, const char *arg)
03868 {
03869 int idx;
03870 char *p;
03871 char idx_str[16];
03872
03873 av_strlcpy(idx_str, arg, sizeof(idx_str));
03874 p = strchr(idx_str, ':');
03875 if (!p) {
03876 fprintf(stderr,
03877 "Invalid value '%s' for option '%s', required syntax is 'index:value'\n",
03878 arg, opt);
03879 ffmpeg_exit(1);
03880 }
03881 *p++ = '\0';
03882 idx = parse_number_or_die(opt, idx_str, OPT_INT, 0, MAX_STREAMS-1);
03883 streamid_map = grow_array(streamid_map, sizeof(*streamid_map), &nb_streamid_map, idx+1);
03884 streamid_map[idx] = parse_number_or_die(opt, p, OPT_INT, 0, INT_MAX);
03885 return 0;
03886 }
03887
03888 static int opt_output_file(const char *opt, const char *filename)
03889 {
03890 AVFormatContext *oc;
03891 int err, use_video, use_audio, use_subtitle, use_data;
03892 int input_has_video, input_has_audio, input_has_subtitle, input_has_data;
03893 AVFormatParameters params, *ap = ¶ms;
03894 AVOutputFormat *file_oformat;
03895
03896 if(nb_output_files >= FF_ARRAY_ELEMS(output_files)){
03897 fprintf(stderr, "Too many output files\n");
03898 ffmpeg_exit(1);
03899 }
03900
03901 if (!strcmp(filename, "-"))
03902 filename = "pipe:";
03903
03904 err = avformat_alloc_output_context2(&oc, NULL, last_asked_format, filename);
03905 last_asked_format = NULL;
03906 if (!oc) {
03907 print_error(filename, err);
03908 ffmpeg_exit(1);
03909 }
03910 file_oformat= oc->oformat;
03911
03912 if (!strcmp(file_oformat->name, "ffm") &&
03913 av_strstart(filename, "http:", NULL)) {
03914
03915
03916 int err = read_ffserver_streams(oc, filename);
03917 if (err < 0) {
03918 print_error(filename, err);
03919 ffmpeg_exit(1);
03920 }
03921 } else {
03922 use_video = file_oformat->video_codec != CODEC_ID_NONE || video_stream_copy || video_codec_name;
03923 use_audio = file_oformat->audio_codec != CODEC_ID_NONE || audio_stream_copy || audio_codec_name;
03924 use_subtitle = file_oformat->subtitle_codec != CODEC_ID_NONE || subtitle_stream_copy || subtitle_codec_name;
03925 use_data = data_stream_copy || data_codec_name;
03926
03927
03928
03929 if (nb_input_files > 0) {
03930 check_inputs(&input_has_video,
03931 &input_has_audio,
03932 &input_has_subtitle,
03933 &input_has_data);
03934
03935 if (!input_has_video)
03936 use_video = 0;
03937 if (!input_has_audio)
03938 use_audio = 0;
03939 if (!input_has_subtitle)
03940 use_subtitle = 0;
03941 if (!input_has_data)
03942 use_data = 0;
03943 }
03944
03945
03946 if (audio_disable) use_audio = 0;
03947 if (video_disable) use_video = 0;
03948 if (subtitle_disable) use_subtitle = 0;
03949 if (data_disable) use_data = 0;
03950
03951 if (use_video) new_video_stream(oc, nb_output_files);
03952 if (use_audio) new_audio_stream(oc, nb_output_files);
03953 if (use_subtitle) new_subtitle_stream(oc, nb_output_files);
03954 if (use_data) new_data_stream(oc, nb_output_files);
03955
03956 oc->timestamp = recording_timestamp;
03957
03958 av_dict_copy(&oc->metadata, metadata, 0);
03959 av_dict_free(&metadata);
03960 }
03961
03962 output_files[nb_output_files++] = oc;
03963
03964
03965 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
03966 if (!av_filename_number_test(oc->filename)) {
03967 print_error(oc->filename, AVERROR_NUMEXPECTED);
03968 ffmpeg_exit(1);
03969 }
03970 }
03971
03972 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
03973
03974 if (!file_overwrite &&
03975 (strchr(filename, ':') == NULL ||
03976 filename[1] == ':' ||
03977 av_strstart(filename, "file:", NULL))) {
03978 if (url_exist(filename)) {
03979 if (!using_stdin) {
03980 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
03981 fflush(stderr);
03982 if (!read_yesno()) {
03983 fprintf(stderr, "Not overwriting - exiting\n");
03984 ffmpeg_exit(1);
03985 }
03986 }
03987 else {
03988 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
03989 ffmpeg_exit(1);
03990 }
03991 }
03992 }
03993
03994
03995 if ((err = avio_open(&oc->pb, filename, AVIO_WRONLY)) < 0) {
03996 print_error(filename, err);
03997 ffmpeg_exit(1);
03998 }
03999 }
04000
04001 memset(ap, 0, sizeof(*ap));
04002 if (av_set_parameters(oc, ap) < 0) {
04003 fprintf(stderr, "%s: Invalid encoding parameters\n",
04004 oc->filename);
04005 ffmpeg_exit(1);
04006 }
04007
04008 oc->preload= (int)(mux_preload*AV_TIME_BASE);
04009 oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
04010 oc->loop_output = loop_output;
04011
04012 set_context_opts(oc, avformat_opts, AV_OPT_FLAG_ENCODING_PARAM, NULL);
04013
04014 frame_rate = (AVRational){0, 0};
04015 frame_width = 0;
04016 frame_height = 0;
04017 audio_sample_rate = 0;
04018 audio_channels = 0;
04019
04020 av_freep(&forced_key_frames);
04021 uninit_opts();
04022 init_opts();
04023 return 0;
04024 }
04025
04026
04027 static int opt_pass(const char *opt, const char *arg)
04028 {
04029 do_pass = parse_number_or_die(opt, arg, OPT_INT, 1, 2);
04030 return 0;
04031 }
04032
04033 static int64_t getutime(void)
04034 {
04035 #if HAVE_GETRUSAGE
04036 struct rusage rusage;
04037
04038 getrusage(RUSAGE_SELF, &rusage);
04039 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
04040 #elif HAVE_GETPROCESSTIMES
04041 HANDLE proc;
04042 FILETIME c, e, k, u;
04043 proc = GetCurrentProcess();
04044 GetProcessTimes(proc, &c, &e, &k, &u);
04045 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
04046 #else
04047 return av_gettime();
04048 #endif
04049 }
04050
04051 static int64_t getmaxrss(void)
04052 {
04053 #if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
04054 struct rusage rusage;
04055 getrusage(RUSAGE_SELF, &rusage);
04056 return (int64_t)rusage.ru_maxrss * 1024;
04057 #elif HAVE_GETPROCESSMEMORYINFO
04058 HANDLE proc;
04059 PROCESS_MEMORY_COUNTERS memcounters;
04060 proc = GetCurrentProcess();
04061 memcounters.cb = sizeof(memcounters);
04062 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
04063 return memcounters.PeakPagefileUsage;
04064 #else
04065 return 0;
04066 #endif
04067 }
04068
04069 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
04070 {
04071 int i;
04072 const char *p = str;
04073 for(i = 0;; i++) {
04074 dest[i] = atoi(p);
04075 if(i == 63)
04076 break;
04077 p = strchr(p, ',');
04078 if(!p) {
04079 fprintf(stderr, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
04080 ffmpeg_exit(1);
04081 }
04082 p++;
04083 }
04084 }
04085
04086 static int opt_inter_matrix(const char *opt, const char *arg)
04087 {
04088 inter_matrix = av_mallocz(sizeof(uint16_t) * 64);
04089 parse_matrix_coeffs(inter_matrix, arg);
04090 return 0;
04091 }
04092
04093 static int opt_intra_matrix(const char *opt, const char *arg)
04094 {
04095 intra_matrix = av_mallocz(sizeof(uint16_t) * 64);
04096 parse_matrix_coeffs(intra_matrix, arg);
04097 return 0;
04098 }
04099
04100 static void show_usage(void)
04101 {
04102 printf("Hyper fast Audio and Video encoder\n");
04103 printf("usage: ffmpeg [options] [[infile options] -i infile]... {[outfile options] outfile}...\n");
04104 printf("\n");
04105 }
04106
04107 static int opt_help(const char *opt, const char *arg)
04108 {
04109 AVCodec *c;
04110 AVOutputFormat *oformat = NULL;
04111
04112 av_log_set_callback(log_callback_help);
04113 show_usage();
04114 show_help_options(options, "Main options:\n",
04115 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB, 0);
04116 show_help_options(options, "\nAdvanced options:\n",
04117 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB,
04118 OPT_EXPERT);
04119 show_help_options(options, "\nVideo options:\n",
04120 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
04121 OPT_VIDEO);
04122 show_help_options(options, "\nAdvanced Video options:\n",
04123 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
04124 OPT_VIDEO | OPT_EXPERT);
04125 show_help_options(options, "\nAudio options:\n",
04126 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
04127 OPT_AUDIO);
04128 show_help_options(options, "\nAdvanced Audio options:\n",
04129 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
04130 OPT_AUDIO | OPT_EXPERT);
04131 show_help_options(options, "\nSubtitle options:\n",
04132 OPT_SUBTITLE | OPT_GRAB,
04133 OPT_SUBTITLE);
04134 show_help_options(options, "\nAudio/Video grab options:\n",
04135 OPT_GRAB,
04136 OPT_GRAB);
04137 printf("\n");
04138 av_opt_show2(avcodec_opts[0], NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
04139 printf("\n");
04140
04141
04142 c = NULL;
04143 while ((c = av_codec_next(c))) {
04144 if (c->priv_class) {
04145 av_opt_show2(&c->priv_class, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
04146 printf("\n");
04147 }
04148 }
04149
04150 av_opt_show2(avformat_opts, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
04151 printf("\n");
04152
04153
04154 while ((oformat = av_oformat_next(oformat))) {
04155 if (oformat->priv_class) {
04156 av_opt_show2(&oformat->priv_class, NULL, AV_OPT_FLAG_ENCODING_PARAM, 0);
04157 printf("\n");
04158 }
04159 }
04160
04161 av_opt_show2(sws_opts, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
04162 return 0;
04163 }
04164
04165 static int opt_target(const char *opt, const char *arg)
04166 {
04167 enum { PAL, NTSC, FILM, UNKNOWN } norm = UNKNOWN;
04168 static const char *const frame_rates[] = {"25", "30000/1001", "24000/1001"};
04169
04170 if(!strncmp(arg, "pal-", 4)) {
04171 norm = PAL;
04172 arg += 4;
04173 } else if(!strncmp(arg, "ntsc-", 5)) {
04174 norm = NTSC;
04175 arg += 5;
04176 } else if(!strncmp(arg, "film-", 5)) {
04177 norm = FILM;
04178 arg += 5;
04179 } else {
04180 int fr;
04181
04182 fr = (int)(frame_rate.num * 1000.0 / frame_rate.den);
04183 if(fr == 25000) {
04184 norm = PAL;
04185 } else if((fr == 29970) || (fr == 23976)) {
04186 norm = NTSC;
04187 } else {
04188
04189 if(nb_input_files) {
04190 int i, j;
04191 for (j = 0; j < nb_input_files; j++) {
04192 for (i = 0; i < input_files[j].ctx->nb_streams; i++) {
04193 AVCodecContext *c = input_files[j].ctx->streams[i]->codec;
04194 if(c->codec_type != AVMEDIA_TYPE_VIDEO)
04195 continue;
04196 fr = c->time_base.den * 1000 / c->time_base.num;
04197 if(fr == 25000) {
04198 norm = PAL;
04199 break;
04200 } else if((fr == 29970) || (fr == 23976)) {
04201 norm = NTSC;
04202 break;
04203 }
04204 }
04205 if(norm != UNKNOWN)
04206 break;
04207 }
04208 }
04209 }
04210 if(verbose > 0 && norm != UNKNOWN)
04211 fprintf(stderr, "Assuming %s for target.\n", norm == PAL ? "PAL" : "NTSC");
04212 }
04213
04214 if(norm == UNKNOWN) {
04215 fprintf(stderr, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
04216 fprintf(stderr, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
04217 fprintf(stderr, "or set a framerate with \"-r xxx\".\n");
04218 ffmpeg_exit(1);
04219 }
04220
04221 if(!strcmp(arg, "vcd")) {
04222 opt_codec("vcodec", "mpeg1video");
04223 opt_codec("acodec", "mp2");
04224 opt_format("f", "vcd");
04225
04226 opt_frame_size("s", norm == PAL ? "352x288" : "352x240");
04227 opt_frame_rate("r", frame_rates[norm]);
04228 opt_default("g", norm == PAL ? "15" : "18");
04229
04230 opt_default("b", "1150000");
04231 opt_default("maxrate", "1150000");
04232 opt_default("minrate", "1150000");
04233 opt_default("bufsize", "327680");
04234
04235 opt_default("ab", "224000");
04236 audio_sample_rate = 44100;
04237 audio_channels = 2;
04238
04239 opt_default("packetsize", "2324");
04240 opt_default("muxrate", "1411200");
04241
04242
04243
04244
04245
04246
04247 mux_preload= (36000+3*1200) / 90000.0;
04248 } else if(!strcmp(arg, "svcd")) {
04249
04250 opt_codec("vcodec", "mpeg2video");
04251 opt_codec("acodec", "mp2");
04252 opt_format("f", "svcd");
04253
04254 opt_frame_size("s", norm == PAL ? "480x576" : "480x480");
04255 opt_frame_rate("r", frame_rates[norm]);
04256 opt_frame_pix_fmt("pix_fmt", "yuv420p");
04257 opt_default("g", norm == PAL ? "15" : "18");
04258
04259 opt_default("b", "2040000");
04260 opt_default("maxrate", "2516000");
04261 opt_default("minrate", "0");
04262 opt_default("bufsize", "1835008");
04263 opt_default("flags", "+scan_offset");
04264
04265
04266 opt_default("ab", "224000");
04267 audio_sample_rate = 44100;
04268
04269 opt_default("packetsize", "2324");
04270
04271 } else if(!strcmp(arg, "dvd")) {
04272
04273 opt_codec("vcodec", "mpeg2video");
04274 opt_codec("acodec", "ac3");
04275 opt_format("f", "dvd");
04276
04277 opt_frame_size("vcodec", norm == PAL ? "720x576" : "720x480");
04278 opt_frame_rate("r", frame_rates[norm]);
04279 opt_frame_pix_fmt("pix_fmt", "yuv420p");
04280 opt_default("g", norm == PAL ? "15" : "18");
04281
04282 opt_default("b", "6000000");
04283 opt_default("maxrate", "9000000");
04284 opt_default("minrate", "0");
04285 opt_default("bufsize", "1835008");
04286
04287 opt_default("packetsize", "2048");
04288 opt_default("muxrate", "10080000");
04289
04290 opt_default("ab", "448000");
04291 audio_sample_rate = 48000;
04292
04293 } else if(!strncmp(arg, "dv", 2)) {
04294
04295 opt_format("f", "dv");
04296
04297 opt_frame_size("s", norm == PAL ? "720x576" : "720x480");
04298 opt_frame_pix_fmt("pix_fmt", !strncmp(arg, "dv50", 4) ? "yuv422p" :
04299 norm == PAL ? "yuv420p" : "yuv411p");
04300 opt_frame_rate("r", frame_rates[norm]);
04301
04302 audio_sample_rate = 48000;
04303 audio_channels = 2;
04304
04305 } else {
04306 fprintf(stderr, "Unknown target: %s\n", arg);
04307 return AVERROR(EINVAL);
04308 }
04309 return 0;
04310 }
04311
04312 static int opt_vstats_file(const char *opt, const char *arg)
04313 {
04314 av_free (vstats_filename);
04315 vstats_filename=av_strdup (arg);
04316 return 0;
04317 }
04318
04319 static int opt_vstats(const char *opt, const char *arg)
04320 {
04321 char filename[40];
04322 time_t today2 = time(NULL);
04323 struct tm *today = localtime(&today2);
04324
04325 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
04326 today->tm_sec);
04327 return opt_vstats_file(opt, filename);
04328 }
04329
04330 static int opt_bsf(const char *opt, const char *arg)
04331 {
04332 AVBitStreamFilterContext *bsfc= av_bitstream_filter_init(arg);
04333 AVBitStreamFilterContext **bsfp;
04334
04335 if(!bsfc){
04336 fprintf(stderr, "Unknown bitstream filter %s\n", arg);
04337 ffmpeg_exit(1);
04338 }
04339
04340 bsfp= *opt == 'v' ? &video_bitstream_filters :
04341 *opt == 'a' ? &audio_bitstream_filters :
04342 &subtitle_bitstream_filters;
04343 while(*bsfp)
04344 bsfp= &(*bsfp)->next;
04345
04346 *bsfp= bsfc;
04347
04348 return 0;
04349 }
04350
04351 static int opt_preset(const char *opt, const char *arg)
04352 {
04353 FILE *f=NULL;
04354 char filename[1000], tmp[1000], tmp2[1000], line[1000];
04355 char *codec_name = *opt == 'v' ? video_codec_name :
04356 *opt == 'a' ? audio_codec_name :
04357 subtitle_codec_name;
04358
04359 if (!(f = get_preset_file(filename, sizeof(filename), arg, *opt == 'f', codec_name))) {
04360 fprintf(stderr, "File for preset '%s' not found\n", arg);
04361 ffmpeg_exit(1);
04362 }
04363
04364 while(!feof(f)){
04365 int e= fscanf(f, "%999[^\n]\n", line) - 1;
04366 if(line[0] == '#' && !e)
04367 continue;
04368 e|= sscanf(line, "%999[^=]=%999[^\n]\n", tmp, tmp2) - 2;
04369 if(e){
04370 fprintf(stderr, "%s: Invalid syntax: '%s'\n", filename, line);
04371 ffmpeg_exit(1);
04372 }
04373 if (!strcmp(tmp, "acodec") ||
04374 !strcmp(tmp, "vcodec") ||
04375 !strcmp(tmp, "scodec") ||
04376 !strcmp(tmp, "dcodec")) {
04377 opt_codec(tmp, tmp2);
04378 }else if(opt_default(tmp, tmp2) < 0){
04379 fprintf(stderr, "%s: Invalid option or argument: '%s', parsed as '%s' = '%s'\n", filename, line, tmp, tmp2);
04380 ffmpeg_exit(1);
04381 }
04382 }
04383
04384 fclose(f);
04385
04386 return 0;
04387 }
04388
04389 static void log_callback_null(void* ptr, int level, const char* fmt, va_list vl)
04390 {
04391 }
04392
04393 static int opt_passlogfile(const char *opt, const char *arg)
04394 {
04395 pass_logfilename_prefix = arg;
04396 #if CONFIG_LIBX264_ENCODER
04397 return opt_default("passlogfile", arg);
04398 #else
04399 return 0;
04400 #endif
04401 }
04402
04403 static const OptionDef options[] = {
04404
04405 #include "cmdutils_common_opts.h"
04406 { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
04407 { "i", HAS_ARG, {(void*)opt_input_file}, "input file name", "filename" },
04408 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
04409 { "map", HAS_ARG | OPT_EXPERT, {(void*)opt_map}, "set input stream mapping", "file.stream[:syncfile.syncstream]" },
04410 { "map_meta_data", HAS_ARG | OPT_EXPERT, {(void*)opt_map_meta_data}, "DEPRECATED set meta data information of outfile from infile",
04411 "outfile[,metadata]:infile[,metadata]" },
04412 { "map_metadata", HAS_ARG | OPT_EXPERT, {(void*)opt_map_metadata}, "set metadata information of outfile from infile",
04413 "outfile[,metadata]:infile[,metadata]" },
04414 { "map_chapters", HAS_ARG | OPT_EXPERT, {(void*)opt_map_chapters}, "set chapters mapping", "outfile:infile" },
04415 { "t", HAS_ARG, {(void*)opt_recording_time}, "record or transcode \"duration\" seconds of audio/video", "duration" },
04416 { "fs", HAS_ARG | OPT_INT64, {(void*)&limit_filesize}, "set the limit file size in bytes", "limit_size" },
04417 { "ss", HAS_ARG, {(void*)opt_start_time}, "set the start time offset", "time_off" },
04418 { "itsoffset", HAS_ARG, {(void*)opt_input_ts_offset}, "set the input ts offset", "time_off" },
04419 { "itsscale", HAS_ARG, {(void*)opt_input_ts_scale}, "set the input ts scale", "stream:scale" },
04420 { "timestamp", HAS_ARG, {(void*)opt_recording_timestamp}, "set the recording timestamp ('now' to set the current time)", "time" },
04421 { "metadata", HAS_ARG, {(void*)opt_metadata}, "add metadata", "string=string" },
04422 { "dframes", OPT_INT | HAS_ARG, {(void*)&max_frames[AVMEDIA_TYPE_DATA]}, "set the number of data frames to record", "number" },
04423 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
04424 "add timings for benchmarking" },
04425 { "timelimit", HAS_ARG, {(void*)opt_timelimit}, "set max runtime in seconds", "limit" },
04426 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
04427 "dump each input packet" },
04428 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
04429 "when dumping packets, also dump the payload" },
04430 { "re", OPT_BOOL | OPT_EXPERT, {(void*)&rate_emu}, "read input at native frame rate", "" },
04431 { "loop_input", OPT_BOOL | OPT_EXPERT, {(void*)&loop_input}, "loop (current only works with images)" },
04432 { "loop_output", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&loop_output}, "number of times to loop output in formats that support looping (0 loops forever)", "" },
04433 { "v", HAS_ARG, {(void*)opt_verbose}, "set ffmpeg verbosity level", "number" },
04434 { "target", HAS_ARG, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
04435 { "threads", HAS_ARG | OPT_EXPERT, {(void*)opt_thread_count}, "thread count", "count" },
04436 { "vsync", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_sync_method}, "video sync method", "" },
04437 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
04438 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "threshold" },
04439 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
04440 { "copytb", OPT_BOOL | OPT_EXPERT, {(void*)©_tb}, "copy input stream time base when stream copying" },
04441 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" },
04442 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "threshold" },
04443 { "programid", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&opt_programid}, "desired program number", "" },
04444 { "xerror", OPT_BOOL, {(void*)&exit_on_error}, "exit on error", "error" },
04445 { "copyinkf", OPT_BOOL | OPT_EXPERT, {(void*)©_initial_nonkeyframes}, "copy initial non-keyframes" },
04446
04447
04448 { "b", HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
04449 { "vb", HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
04450 { "vframes", OPT_INT | HAS_ARG | OPT_VIDEO, {(void*)&max_frames[AVMEDIA_TYPE_VIDEO]}, "set the number of video frames to record", "number" },
04451 { "r", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_rate}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
04452 { "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
04453 { "aspect", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_aspect_ratio}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
04454 { "pix_fmt", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_frame_pix_fmt}, "set pixel format, 'list' as argument shows all the pixel formats supported", "format" },
04455 { "bits_per_raw_sample", OPT_INT | HAS_ARG | OPT_VIDEO, {(void*)&frame_bits_per_raw_sample}, "set the number of bits per raw sample", "number" },
04456 { "croptop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
04457 { "cropbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
04458 { "cropleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
04459 { "cropright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
04460 { "padtop", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
04461 { "padbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
04462 { "padleft", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
04463 { "padright", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
04464 { "padcolor", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "color" },
04465 { "intra", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_only}, "use only intra frames"},
04466 { "vn", OPT_BOOL | OPT_VIDEO, {(void*)&video_disable}, "disable video" },
04467 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
04468 { "qscale", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qscale}, "use fixed video quantizer scale (VBR)", "q" },
04469 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_override_string}, "rate control override for specific intervals", "override" },
04470 { "vcodec", HAS_ARG | OPT_VIDEO, {(void*)opt_codec}, "force video codec ('copy' to copy stream)", "codec" },
04471 { "me_threshold", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_me_threshold}, "motion estimaton threshold", "threshold" },
04472 { "sameq", OPT_BOOL | OPT_VIDEO, {(void*)&same_quality},
04473 "use same quantizer as source (implies VBR)" },
04474 { "pass", HAS_ARG | OPT_VIDEO, {(void*)opt_pass}, "select the pass number (1 or 2)", "n" },
04475 { "passlogfile", HAS_ARG | OPT_VIDEO, {(void*)&opt_passlogfile}, "select two pass log file name prefix", "prefix" },
04476 { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace},
04477 "deinterlace pictures" },
04478 { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
04479 { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
04480 { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
04481 #if CONFIG_AVFILTER
04482 { "vf", OPT_STRING | HAS_ARG, {(void*)&vfilters}, "video filters", "filter list" },
04483 #endif
04484 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_intra_matrix}, "specify intra matrix coeffs", "matrix" },
04485 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_inter_matrix}, "specify inter matrix coeffs", "matrix" },
04486 { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_top_field_first}, "top=1/bottom=0/auto=-1 field first", "" },
04487 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
04488 { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_codec_tag}, "force video tag/fourcc", "fourcc/tag" },
04489 { "newvideo", OPT_VIDEO, {(void*)opt_new_stream}, "add a new video stream to the current output stream" },
04490 { "vlang", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void *)&video_language}, "set the ISO 639 language code (3 letters) of the current video stream" , "code" },
04491 { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
04492 { "force_fps", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&force_fps}, "force the selected framerate, disable the best supported framerate selection" },
04493 { "streamid", HAS_ARG | OPT_EXPERT, {(void*)opt_streamid}, "set the value of an outfile streamid", "streamIndex:value" },
04494 { "force_key_frames", OPT_STRING | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void *)&forced_key_frames}, "force key frames at specified timestamps", "timestamps" },
04495
04496
04497 { "ab", HAS_ARG | OPT_AUDIO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
04498 { "aframes", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&max_frames[AVMEDIA_TYPE_AUDIO]}, "set the number of audio frames to record", "number" },
04499 { "aq", OPT_FLOAT | HAS_ARG | OPT_AUDIO, {(void*)&audio_qscale}, "set audio quality (codec-specific)", "quality", },
04500 { "ar", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_rate}, "set audio sampling rate (in Hz)", "rate" },
04501 { "ac", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_channels}, "set number of audio channels", "channels" },
04502 { "an", OPT_BOOL | OPT_AUDIO, {(void*)&audio_disable}, "disable audio" },
04503 { "acodec", HAS_ARG | OPT_AUDIO, {(void*)opt_codec}, "force audio codec ('copy' to copy stream)", "codec" },
04504 { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO, {(void*)opt_codec_tag}, "force audio tag/fourcc", "fourcc/tag" },
04505 { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" },
04506 { "newaudio", OPT_AUDIO, {(void*)opt_new_stream}, "add a new audio stream to the current output stream" },
04507 { "alang", HAS_ARG | OPT_STRING | OPT_AUDIO, {(void *)&audio_language}, "set the ISO 639 language code (3 letters) of the current audio stream" , "code" },
04508 { "sample_fmt", HAS_ARG | OPT_EXPERT | OPT_AUDIO, {(void*)opt_audio_sample_fmt}, "set sample format, 'list' as argument shows all the sample formats supported", "format" },
04509
04510
04511 { "sn", OPT_BOOL | OPT_SUBTITLE, {(void*)&subtitle_disable}, "disable subtitle" },
04512 { "scodec", HAS_ARG | OPT_SUBTITLE, {(void*)opt_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
04513 { "newsubtitle", OPT_SUBTITLE, {(void*)opt_new_stream}, "add a new subtitle stream to the current output stream" },
04514 { "slang", HAS_ARG | OPT_STRING | OPT_SUBTITLE, {(void *)&subtitle_language}, "set the ISO 639 language code (3 letters) of the current subtitle stream" , "code" },
04515 { "stag", HAS_ARG | OPT_EXPERT | OPT_SUBTITLE, {(void*)opt_codec_tag}, "force subtitle tag/fourcc", "fourcc/tag" },
04516
04517
04518 { "vc", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_channel}, "set video grab channel (DV1394 only)", "channel" },
04519 { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_standard}, "set television standard (NTSC, PAL (SECAM))", "standard" },
04520 { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
04521
04522
04523 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_max_delay}, "set the maximum demux-decode delay", "seconds" },
04524 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_preload}, "set the initial demux-decode delay", "seconds" },
04525
04526 { "absf", HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
04527 { "vbsf", HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
04528 { "sbsf", HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
04529
04530 { "apre", HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_preset}, "set the audio options to the indicated preset", "preset" },
04531 { "vpre", HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_preset}, "set the video options to the indicated preset", "preset" },
04532 { "spre", HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_preset}, "set the subtitle options to the indicated preset", "preset" },
04533 { "fpre", HAS_ARG | OPT_EXPERT, {(void*)opt_preset}, "set options from indicated preset file", "filename" },
04534
04535 { "dcodec", HAS_ARG | OPT_DATA, {(void*)opt_codec}, "force data codec ('copy' to copy stream)", "codec" },
04536
04537 { "default", HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
04538 { NULL, },
04539 };
04540
04541 int main(int argc, char **argv)
04542 {
04543 int64_t ti;
04544
04545 av_log_set_flags(AV_LOG_SKIP_REPEATED);
04546
04547 if(argc>1 && !strcmp(argv[1], "-d")){
04548 run_as_daemon=1;
04549 verbose=-1;
04550 av_log_set_callback(log_callback_null);
04551 argc--;
04552 argv++;
04553 }
04554
04555 avcodec_register_all();
04556 #if CONFIG_AVDEVICE
04557 avdevice_register_all();
04558 #endif
04559 #if CONFIG_AVFILTER
04560 avfilter_register_all();
04561 #endif
04562 av_register_all();
04563
04564 #if HAVE_ISATTY
04565 if(isatty(STDIN_FILENO))
04566 avio_set_interrupt_cb(decode_interrupt_cb);
04567 #endif
04568
04569 init_opts();
04570
04571 if(verbose>=0)
04572 show_banner();
04573
04574
04575 parse_options(argc, argv, options, opt_output_file);
04576
04577 if(nb_output_files <= 0 && nb_input_files == 0) {
04578 show_usage();
04579 fprintf(stderr, "Use -h to get full help or, even better, run 'man ffmpeg'\n");
04580 ffmpeg_exit(1);
04581 }
04582
04583
04584 if (nb_output_files <= 0) {
04585 fprintf(stderr, "At least one output file must be specified\n");
04586 ffmpeg_exit(1);
04587 }
04588
04589 if (nb_input_files == 0) {
04590 fprintf(stderr, "At least one input file must be specified\n");
04591 ffmpeg_exit(1);
04592 }
04593
04594 ti = getutime();
04595 if (transcode(output_files, nb_output_files, input_files, nb_input_files,
04596 stream_maps, nb_stream_maps) < 0)
04597 ffmpeg_exit(1);
04598 ti = getutime() - ti;
04599 if (do_benchmark) {
04600 int maxrss = getmaxrss() / 1024;
04601 printf("bench: utime=%0.3fs maxrss=%ikB\n", ti / 1000000.0, maxrss);
04602 }
04603
04604 return ffmpeg_exit(0);
04605 }