32 #include "libavutil/file.h"
33 #include "libavutil/cpu.h"
34 #include "libavutil/intreadwrite.h"
35 #include "libavutil/mathematics.h"
42 #define BUFFER_SIZE 1024
43 #define BUFFER_REMAINING(x) (BUFFER_SIZE - strlen(x))
44 #define BUFFER_CAT(x) (&((x)[strlen(x)]))
106 return XVID_ERR_FAIL;
112 "# ffmpeg 2-pass log file, using xvid codec\n");
114 "# Do not modify. libxvidcore version: %d.%d.%d\n\n",
115 XVID_VERSION_MAJOR(XVID_VERSION),
116 XVID_VERSION_MINOR(XVID_VERSION),
117 XVID_VERSION_PATCH(XVID_VERSION));
131 xvid_plg_destroy_t *param) {
147 xvid_plg_data_t *param) {
149 int motion_replacements;
153 if( param->zone && param->zone->mode == XVID_ZONE_QUANT )
160 motion_remove = ~XVID_ME_CHROMA_PVOP &
161 ~XVID_ME_CHROMA_BVOP &
162 ~XVID_ME_EXTSEARCH16 &
163 ~XVID_ME_ADVANCEDDIAMOND16;
164 motion_replacements = XVID_ME_FAST_MODEINTERPOLATE |
165 XVID_ME_SKIP_DELTASEARCH |
166 XVID_ME_FASTREFINE16 |
167 XVID_ME_BFRAME_EARLYSTOP;
168 vop_remove = ~XVID_VOP_MODEDECISION_RD &
169 ~XVID_VOP_FAST_MODEDECISION_RD &
170 ~XVID_VOP_TRELLISQUANT &
174 param->vol_flags &= ~XVID_VOL_GMC;
175 param->vop_flags &= vop_remove;
176 param->motion_flags &= motion_remove;
177 param->motion_flags |= motion_replacements;
190 xvid_plg_data_t *param) {
192 const char *frame_types =
" ipbs";
197 return XVID_ERR_FAIL;
200 if( param->type < 5 && param->type > 0 ) {
201 frame_type = frame_types[param->type];
203 return XVID_ERR_FAIL;
207 "%c %d %d %d %d %d %d\n",
208 frame_type, param->stats.quant, param->stats.kblks, param->stats.mblks,
209 param->stats.ublks, param->stats.length, param->stats.hlength);
232 case XVID_PLG_BEFORE:
235 case XVID_PLG_CREATE:
241 case XVID_PLG_DESTROY:
245 return XVID_ERR_FAIL;
264 unsigned int header_len,
265 unsigned int frame_len) {
268 for( i = 0; i < header_len - 3; i++ ) {
269 if( pkt->
data[i] == 0x00 &&
270 pkt->
data[i+1] == 0x00 &&
271 pkt->
data[i+2] == 0x01 &&
272 pkt->
data[i+3] == 0xB6 ) {
287 memmove(pkt->
data, &pkt->
data[vo_len], frame_len - vo_len);
288 pkt->
size = frame_len - vo_len;
305 int est_frate, est_fbase;
312 gcd =
av_gcd(frate, fbase);
318 if( frate <= 65000 && fbase <= 65000 ) {
324 fps = (float)frate / (
float)fbase;
325 est_fps =
roundf(fps * 1000.0) / 1000.0;
327 est_frate = (int)est_fps;
328 if( est_fps > (
int)est_fps ) {
329 est_frate = (est_frate + 1) * 1000;
330 est_fbase = (int)
roundf((
float)est_frate / est_fps);
334 gcd =
av_gcd(est_frate, est_fbase);
340 if( fbase > est_fbase ) {
344 "Xvid: framerate re-estimated: %.2f, %.3f%% correction\n",
345 est_fps, (((est_fps - fps)/fps) * 100.0));
354 int xvid_flags = avctx->
flags;
356 uint16_t *intra, *inter;
359 xvid_plugin_single_t single = { 0 };
361 xvid_plugin_2pass2_t rc2pass2 = { 0 };
362 xvid_plugin_lumimasking_t masking_l = { 0 };
363 xvid_plugin_lumimasking_t masking_v = { 0 };
364 xvid_plugin_ssim_t ssim = { 0 };
365 xvid_gbl_init_t xvid_gbl_init = { 0 };
366 xvid_enc_create_t xvid_enc_create = { 0 };
367 xvid_enc_plugin_t plugins[4];
387 | XVID_ME_EXTSEARCH8;
390 x->
me_flags |= XVID_ME_ADVANCEDDIAMOND8
391 | XVID_ME_HALFPELREFINE8
392 | XVID_ME_CHROMA_PVOP
393 | XVID_ME_CHROMA_BVOP;
398 x->
me_flags |= XVID_ME_ADVANCEDDIAMOND16
399 | XVID_ME_HALFPELREFINE16;
409 x->
vop_flags |= XVID_VOP_MODEDECISION_RD;
410 x->
me_flags |= XVID_ME_HALFPELREFINE8_RD
411 | XVID_ME_QUARTERPELREFINE8_RD
412 | XVID_ME_EXTSEARCH_RD
413 | XVID_ME_CHECKPREDICTION_RD;
415 if( !(x->
vop_flags & XVID_VOP_MODEDECISION_RD) )
416 x->
vop_flags |= XVID_VOP_FAST_MODEDECISION_RD;
417 x->
me_flags |= XVID_ME_HALFPELREFINE16_RD
418 | XVID_ME_QUARTERPELREFINE16_RD;
432 x->
me_flags |= XVID_ME_QUARTERPELREFINE16;
434 x->
me_flags |= XVID_ME_QUARTERPELREFINE8;
437 xvid_gbl_init.version = XVID_VERSION;
438 xvid_gbl_init.debug = 0;
444 xvid_gbl_init.cpu_flags = XVID_CPU_FORCE | XVID_CPU_ALTIVEC;
447 xvid_gbl_init.cpu_flags = XVID_CPU_FORCE;
450 xvid_gbl_init.cpu_flags = 0;
454 xvid_global(NULL, XVID_GBL_INIT, &xvid_gbl_init, NULL);
457 xvid_enc_create.version = XVID_VERSION;
460 xvid_enc_create.width = x->
xsize = avctx->
width;
467 xvid_enc_create.zones = NULL;
468 xvid_enc_create.num_zones = 0;
472 xvid_enc_create.plugins = plugins;
473 xvid_enc_create.num_plugins = 0;
481 rc2pass1.
version = XVID_VERSION;
487 "Xvid: Cannot allocate 2-pass log buffers\n");
493 plugins[xvid_enc_create.num_plugins].param = &rc2pass1;
494 xvid_enc_create.num_plugins++;
496 rc2pass2.
version = XVID_VERSION;
502 "Xvid: Cannot write 2-pass pipe\n");
509 "Xvid: No 2-pass information loaded for second pass\n");
516 "Xvid: Cannot write to 2-pass pipe\n");
521 plugins[xvid_enc_create.num_plugins].func = xvid_plugin_2pass2;
522 plugins[xvid_enc_create.num_plugins].param = &rc2pass2;
523 xvid_enc_create.num_plugins++;
526 single.version = XVID_VERSION;
529 plugins[xvid_enc_create.num_plugins].func = xvid_plugin_single;
530 plugins[xvid_enc_create.num_plugins].param = &single;
531 xvid_enc_create.num_plugins++;
539 masking_l.method = 0;
540 plugins[xvid_enc_create.num_plugins].func = xvid_plugin_lumimasking;
544 plugins[xvid_enc_create.num_plugins].param = avctx->
lumi_masking ? NULL : &masking_l ;
545 xvid_enc_create.num_plugins++;
550 masking_v.method = 1;
551 plugins[xvid_enc_create.num_plugins].func = xvid_plugin_lumimasking;
552 plugins[xvid_enc_create.num_plugins].param = &masking_v ;
553 xvid_enc_create.num_plugins++;
558 "Both lumi_aq and variance_aq are enabled. The resulting quality"
559 "will be the worse one of the two effects made by the AQ.\n");
563 plugins[xvid_enc_create.num_plugins].func = xvid_plugin_ssim;
564 ssim.b_printstat = ( x->
ssim == 2 );
566 ssim.cpu_flags = xvid_gbl_init.cpu_flags;
567 ssim.b_visualize = 0;
568 plugins[xvid_enc_create.num_plugins].param = &ssim;
569 xvid_enc_create.num_plugins++;
577 xvid_enc_create.max_key_interval = avctx->
gop_size;
579 xvid_enc_create.max_key_interval = 240;
582 if( xvid_flags & CODEC_FLAG_QSCALE ) x->
qscale = 1;
585 xvid_enc_create.min_quant[0] = avctx->
qmin;
586 xvid_enc_create.min_quant[1] = avctx->
qmin;
587 xvid_enc_create.min_quant[2] = avctx->
qmin;
588 xvid_enc_create.max_quant[0] = avctx->
qmax;
589 xvid_enc_create.max_quant[1] = avctx->
qmax;
590 xvid_enc_create.max_quant[2] = avctx->
qmax;
610 for( i = 0; i < 64; i++ ) {
619 xvid_enc_create.frame_drop_ratio = 0;
620 xvid_enc_create.global = 0;
622 xvid_enc_create.global |= XVID_GLOBAL_CLOSED_GOP;
647 xerr = xvid_encore(NULL, XVID_ENC_CREATE, &xvid_enc_create, NULL);
663 const AVFrame *picture,
int *got_packet)
665 int xerr, i,
ret, user_packet = !!pkt->
data;
669 int mb_width = (avctx->
width + 15) / 16;
670 int mb_height = (avctx->
height + 15) / 16;
672 xvid_enc_frame_t xvid_enc_frame = { 0 };
673 xvid_enc_stats_t xvid_enc_stats = { 0 };
679 xvid_enc_frame.version = XVID_VERSION;
680 xvid_enc_stats.version = XVID_VERSION;
684 xvid_enc_frame.bitstream = pkt->
data;
685 xvid_enc_frame.length = pkt->
size;
693 xvid_enc_frame.input.csp = XVID_CSP_PLANAR;
695 for( i = 0; i < 4; i++ ) {
696 xvid_enc_frame.input.plane[i] = picture->
data[i];
697 xvid_enc_frame.input.stride[i] = picture->
linesize[i];
703 xvid_enc_frame.motion = x->
me_flags;
704 xvid_enc_frame.type =
714 "Invalid pixel aspect ratio %i/%i, limit is 255/255 reducing\n",
719 xvid_enc_frame.par = XVID_PAR_EXT;
725 else xvid_enc_frame.quant = 0;
733 &xvid_enc_frame, &xvid_enc_stats);
751 if( xvid_enc_stats.type == XVID_TYPE_PVOP )
753 else if( xvid_enc_stats.type == XVID_TYPE_BVOP )
755 else if( xvid_enc_stats.type == XVID_TYPE_SVOP )
759 if( xvid_enc_frame.out_flags & XVID_KEYFRAME ) {
764 xvid_enc_stats.hlength, xerr);
806 #define OFFSET(x) offsetof(struct xvid_context, x)
807 #define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
int ff_alloc_packet2(AVCodecContext *avctx, AVPacket *avpkt, int64_t size)
Check AVPacket size and/or allocate data.
void av_free_packet(AVPacket *pkt)
Free a packet.
This structure describes decoded (raw) audio or video data.
int mpeg_quant
0-> h263 quant 1-> mpeg quant
char * old_twopassbuffer
Old character buffer (two-pass)
#define CODEC_FLAG_PASS2
Use internal 2pass ratecontrol in second pass mode.
AVCodec ff_libxvid_encoder
#define AV_LOG_WARNING
Something somehow does not look correct.
#define LIBAVUTIL_VERSION_INT
#define CODEC_FLAG_PASS1
Use internal 2pass ratecontrol in first pass mode.
int max_b_frames
maximum number of B-frames between non-B-frames Note: The output will be delayed by max_b_frames+1 re...
#define BUFFER_REMAINING(x)
enhanced predictive zonal search
AVRational sample_aspect_ratio
sample aspect ratio (0 if unknown) That is the width of a pixel divided by the height of the pixel...
void av_log(void *avcl, int level, const char *fmt,...) av_printf_format(3
Send the specified message to the log if the level is less than or equal to the current av_log_level...
enum AVPixelFormat pix_fmt
Pixel format, see AV_PIX_FMT_xxx.
unsigned char * intra_matrix
P-Frame Quant Matrix.
int me_flags
Motion Estimation flags.
uint8_t * extradata
some codecs need / can use extradata like Huffman tables.
#define CODEC_FLAG_QPEL
Use qpel MC.
common functions for use with the Xvid wrappers
AVRational time_base
This is the fundamental unit of time (in seconds) in terms of which frame timestamps are represented...
void av_freep(void *ptr)
Free a memory block which has been allocated with av_malloc(z)() or av_realloc() and set the pointer ...
int av_tempfile(const char *prefix, char **filename, int log_offset, void *log_ctx)
Wrapper to work around the lack of mkstemp() on mingw.
const char * av_default_item_name(void *ctx)
Return the context name.
const char * class_name
The name of the class; usually it is the same name as the context structure type to which the AVClass...
#define CODEC_FLAG_GLOBAL_HEADER
Place global headers in extradata instead of every keyframe.
static int xvid_encode_frame(AVCodecContext *avctx, AVPacket *pkt, const AVFrame *picture, int *got_packet)
float b_quant_factor
qscale factor between IP and B-frames If > 0 then the last P-frame quantizer will be used (q= lastp_q...
const char * name
Name of the codec implementation.
int quicktime_format
Are we in a QT-based format?
struct xvid_context * context
Pointer to private context.
static int xvid_strip_vol_header(AVCodecContext *avctx, AVPacket *pkt, unsigned int header_len, unsigned int frame_len)
Routine to create a global VO/VOL header for MP4 container.
float lumi_masking
luminance masking (0-> disabled)
#define CODEC_FLAG_AC_PRED
H.263 advanced intra coding / MPEG-4 AC prediction.
const OptionDef options[]
int av_get_cpu_flags(void)
Return the flags which specify extensions supported by the CPU.
#define AV_PKT_FLAG_KEY
The packet contains a keyframe.
static int xvid_ff_2pass(void *ref, int cmd, void *p1, void *p2)
Dispatch function for our custom plugin.
no search, that is use 0,0 vector whenever one is needed
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
int qmax
maximum quantizer
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification. ...
#define AV_LOG_DEBUG
Stuff which is only useful for libav* developers.
#define CODEC_FLAG_QSCALE
Use fixed qscale.
int64_t av_const av_gcd(int64_t a, int64_t b)
Return the greatest common divisor of a and b.
#define AV_CPU_FLAG_ALTIVEC
standard
Libavcodec external API header.
AVPixelFormat
Pixel format.
int flags
A combination of AV_PKT_FLAG values.
static int xvid_encode_close(AVCodecContext *avctx)
char * twopassfile
second pass temp file name
int av_reduce(int *dst_num, int *dst_den, int64_t num, int64_t den, int64_t max)
Reduce a fraction.
AVFrame encoded_picture
Encoded frame information.
#define FF_ARRAY_ELEMS(a)
#define BUFFER_SIZE
Buffer management macros.
int vop_flags
VOP flags for Xvid encoder.
int bit_rate
the average bitrate
Structure for the private first-pass plugin.
enum AVPictureType pict_type
Picture type of the frame.
int variance_aq
Variance adaptive quantization.
#define FF_MIN_BUFFER_SIZE
minimum encoding buffer size Used to avoid some checks during header writing.
char * stats_in
pass2 encoding statistics input buffer Concatenated stuff from stats_out of pass1 should be placed he...
uint16_t * intra_matrix
custom intra quantization matrix
Structure for the private Xvid context.
int width
picture width / height.
static const AVClass xvid_class
void * av_malloc(size_t size) av_malloc_attrib 1(1)
Allocate a block of size bytes with alignment suitable for all memory accesses (including vectors if ...
unsigned char * inter_matrix
I-Frame Quant Matrix.
int quality
quality (between 1 (good) and FF_LAMBDA_MAX (bad))
int mb_decision
macroblock decision mode
char * stats_out
pass1 encoding statistics output buffer
int thread_count
thread count is used to decide how many independent tasks should be passed to execute() ...
int ssim_acc
SSIM accuracy.
planar YUV 4:2:0, 12bpp, (1 Cr & Cb sample per 2x2 Y samples)
#define AV_LOG_INFO
Standard information.
main external API structure.
static void close(AVCodecParserContext *s)
int qmin
minimum quantizer
unsigned int codec_tag
fourcc (LSB first, so "ABCD" -> ('D'<<24) + ('C'<<16) + ('B'<<8) + 'A').
Describe the class of an AVClass context structure.
AVFrame * coded_frame
the picture in the bitstream
int linesize[AV_NUM_DATA_POINTERS]
For video, size in bytes of each picture line.
char * twopassbuffer
Character buffer for two-pass.
float b_quant_offset
qscale offset between IP and B-frames
static av_cold int xvid_encode_init(AVCodecContext *avctx)
#define CODEC_FLAG_CLOSED_GOP
static av_always_inline av_const float roundf(float x)
int gop_size
the number of pictures in a group of pictures, or 0 for intra_only
int ssim
SSIM information display mode.
common internal api header.
#define CODEC_FLAG_GRAY
Only decode/encode grayscale.
int vol_flags
VOL flags for Xvid encoder.
static int xvid_ff_2pass_create(xvid_plg_create_t *param, void **handle)
Initialize the two-pass plugin and context.
int trellis
trellis RD quantization
static int xvid_ff_2pass_before(struct xvid_context *ref, xvid_plg_data_t *param)
Enable fast encode mode during the first pass.
void * encoder_handle
Handle for Xvid encoder.
#define CODEC_FLAG_GMC
Use GMC.
static int xvid_ff_2pass_after(struct xvid_context *ref, xvid_plg_data_t *param)
Capture statistic data and write it during first pass.
int key_frame
1 -> keyframe, 0-> not
#define FF_QP2LAMBDA
factor to convert from H.263 QP to lambda
uint16_t * inter_matrix
custom inter quantization matrix
static int xvid_ff_2pass_destroy(struct xvid_context *ref, xvid_plg_destroy_t *param)
Destroy the two-pass plugin context.
static void xvid_correct_framerate(AVCodecContext *avctx)
Routine to correct a possibly erroneous framerate being fed to us.
#define av_assert0(cond)
assert() equivalent, that is always enabled.
int me_method
Motion estimation algorithm used for video coding.
int qscale
Do we use constant scale?
#define CODEC_FLAG_4MV
4 MV per MB allowed / advanced prediction for H.263.
This structure stores compressed data.
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.
int lumi_aq
Lumi masking as an aq method.