32 #include "libavutil/mem.h"
33 #include "libavutil/opt.h"
35 #define END_OF_STREAM 0x001
37 #define XAVS_PART_I8X8 0x002
38 #define XAVS_PART_P8X8 0x010
39 #define XAVS_PART_B8X8 0x100
66 static const int level_map[] = {
73 if (level < 0 || level > XAVS_LOG_DEBUG)
76 av_vlog(p, level_map[level], fmt, args);
80 xavs_nal_t *nals,
int nnal)
89 for (i = 0; i < nnal; i++)
90 size += nals[i].i_payload;
103 for (i = 0; i < nnal; i++) {
104 s = xavs_nal_encode(p, &size, 1, nals + i);
120 xavs_picture_t pic_out;
122 x4->
pic.img.i_csp = XAVS_CSP_I420;
123 x4->
pic.img.i_plane = 3;
126 for (i = 0; i < 3; i++) {
127 x4->
pic.img.plane[i] = frame->
data[i];
131 x4->
pic.i_pts = frame->
pts;
132 x4->
pic.i_type = XAVS_TYPE_AUTO;
136 if (xavs_encoder_encode(x4->
enc, &nal, &nnal,
137 frame? &x4->
pic: NULL, &pic_out) < 0)
163 pkt->
pts = pic_out.i_pts;
172 switch (pic_out.i_type) {
188 if (pic_out.i_type == XAVS_TYPE_I) {
209 xavs_encoder_close(x4->
enc);
219 xavs_param_default(&x4->
params);
222 x4->
params.p_log_private = avctx;
226 x4->
params.rc.i_rc_method = XAVS_RC_ABR;
232 x4->
params.rc.b_stat_read = 1;
235 x4->
params.rc.i_rc_method = XAVS_RC_CRF;
237 }
else if (x4->
cqp >= 0) {
238 x4->
params.rc.i_rc_method = XAVS_RC_CQP;
253 if (x4->
b_bias != INT_MIN)
292 x4->
params.analyse.inter = XAVS_ANALYSE_I8x8 |XAVS_ANALYSE_PSUB16x16| XAVS_ANALYSE_BSUB16x16;
296 x4->
params.analyse.i_me_method = XAVS_ME_DIA;
299 x4->
params.analyse.i_me_method = XAVS_ME_HEX;
302 x4->
params.analyse.i_me_method = XAVS_ME_UMH;
305 x4->
params.analyse.i_me_method = XAVS_ME_ESA;
308 x4->
params.analyse.i_me_method = XAVS_ME_TESA;
311 x4->
params.analyse.i_me_method = XAVS_ME_HEX;
319 x4->
params.analyse.b_transform_8x8 = 1;
324 if (avctx->
level > 0)
327 x4->
params.rc.f_rate_tolerance =
332 x4->
params.rc.f_vbv_buffer_init =
335 x4->
params.rc.f_vbv_buffer_init = 0.9;
344 x4->
params.i_log_level = XAVS_LOG_DEBUG;
349 x4->
params.b_repeat_headers = 0;
351 x4->
enc = xavs_encoder_open(&x4->
params);
363 int nnal,
s, i,
size;
366 s = xavs_encoder_headers(x4->
enc, &nal, &nnal);
369 for (i = 0; i < nnal; i++) {
371 if (nal[i].i_type ==
NAL_SEI) {
373 if (xavs_nal_encode(x4->
sei, &x4->
sei_size, 1, nal + i) < 0)
378 size = xavs_nal_encode(p, &s, 1, nal + i);
388 #define OFFSET(x) offsetof(XavsContext, x)
389 #define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
391 {
"crf",
"Select the quality for constant quality mode",
OFFSET(crf),
AV_OPT_TYPE_FLOAT, {.dbl = -1 }, -1, FLT_MAX,
VE },
392 {
"qp",
"Constant quantization parameter rate control method",
OFFSET(cqp),
AV_OPT_TYPE_INT, {.i64 = -1 }, -1, INT_MAX,
VE },
393 {
"b-bias",
"Influences how often B-frames are used",
OFFSET(b_bias),
AV_OPT_TYPE_INT, {.i64 = INT_MIN}, INT_MIN, INT_MAX,
VE },
394 {
"cplxblur",
"Reduce fluctuations in QP (before curve compression)",
OFFSET(cplxblur),
AV_OPT_TYPE_FLOAT, {.dbl = -1 }, -1, FLT_MAX,
VE},
395 {
"direct-pred",
"Direct MV prediction mode",
OFFSET(direct_pred),
AV_OPT_TYPE_INT, {.i64 = -1 }, -1, INT_MAX,
VE,
"direct-pred" },
396 {
"none", NULL, 0,
AV_OPT_TYPE_CONST, { .i64 = XAVS_DIRECT_PRED_NONE }, 0, 0,
VE,
"direct-pred" },
397 {
"spatial", NULL, 0,
AV_OPT_TYPE_CONST, { .i64 = XAVS_DIRECT_PRED_SPATIAL }, 0, 0,
VE,
"direct-pred" },
398 {
"temporal", NULL, 0,
AV_OPT_TYPE_CONST, { .i64 = XAVS_DIRECT_PRED_TEMPORAL }, 0, 0,
VE,
"direct-pred" },
399 {
"auto", NULL, 0,
AV_OPT_TYPE_CONST, { .i64 = XAVS_DIRECT_PRED_AUTO }, 0, 0,
VE,
"direct-pred" },
402 {
"mixed-refs",
"One reference per partition, as opposed to one reference per macroblock",
OFFSET(mixed_refs),
AV_OPT_TYPE_INT, {.i64 = -1}, -1, 1,
VE },
int ff_alloc_packet2(AVCodecContext *avctx, AVPacket *avpkt, int64_t size)
Check AVPacket size and/or allocate data.
This structure describes decoded (raw) audio or video data.
static int XAVS_frame(AVCodecContext *ctx, AVPacket *pkt, const AVFrame *frame, int *got_packet)
#define CODEC_FLAG_PASS2
Use internal 2pass ratecontrol in second pass mode.
float qblur
amount of qscale smoothing over time (0.0-1.0)
#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.
static av_cold int init(AVCodecContext *avctx)
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...
int rc_initial_buffer_occupancy
Number of bits which should be loaded into the rc buffer before decoding starts.
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...
static void XAVS_log(void *p, int level, const char *fmt, va_list args)
uint8_t * extradata
some codecs need / can use extradata like Huffman tables.
int scenechange_threshold
scene change detection threshold 0 is default, larger means fewer detected scene changes.
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 ...
static av_cold int XAVS_close(AVCodecContext *avctx)
if((e=av_dict_get(options,"", NULL, AV_DICT_IGNORE_SUFFIX)))
#define CODEC_FLAG_PSNR
error[?] variables will be set during encoding.
int bit_rate_tolerance
number of bits the bitstream is allowed to diverge from the reference.
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...
int me_range
maximum motion estimation search range in subpel units If 0 then no limit.
#define CODEC_FLAG_GLOBAL_HEADER
Place global headers in extradata instead of every keyframe.
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...
int64_t pts
Presentation timestamp in time_base units (time when frame should be shown to user).
const char * name
Name of the codec implementation.
int me_cmp
motion estimation comparison function
const OptionDef options[]
static int encode_nals(AVCodecContext *ctx, AVPacket *pkt, xavs_nal_t *nals, int nnal)
#define AV_PKT_FLAG_KEY
The packet contains a keyframe.
int chromaoffset
chroma qp offset from luma
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
int has_b_frames
Size of the frame reordering buffer in the decoder.
void av_free(void *ptr)
Free a memory block which has been allocated with av_malloc(z)() or av_realloc(). ...
#define CODEC_CAP_DELAY
Encoder or decoder requires flushing with NULL input at the end in order to give the complete and cor...
int qmax
maximum quantizer
static av_cold int XAVS_init(AVCodecContext *avctx)
#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.
int rc_max_rate
maximum bitrate
float i_quant_factor
qscale factor between P and I-frames If > 0 then the last p frame quantizer will be used (q= lastp_q*...
transformed exhaustive search algorithm
Libavcodec external API header.
AVPixelFormat
Pixel format.
int flags
A combination of AV_PKT_FLAG values.
int rc_buffer_size
decoder bitstream buffer size
common internal API header
int refs
number of reference frames
static const AVCodecDefault xavs_defaults[]
int bit_rate
the average bitrate
enum AVPictureType pict_type
Picture type of the frame.
#define FF_MIN_BUFFER_SIZE
minimum encoding buffer size Used to avoid some checks during header writing.
int width
picture width / height.
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 ...
#define CODEC_CAP_AUTO_THREADS
Codec supports avctx->thread_count == 0 (auto).
int quality
quality (between 1 (good) and FF_LAMBDA_MAX (bad))
#define CODEC_FLAG_INTERLACED_DCT
Use interlaced DCT.
static const AVClass xavs_class
int max_qdiff
maximum quantizer difference between frames
int thread_count
thread count is used to decide how many independent tasks should be passed to execute() ...
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
Describe the class of an AVClass context structure.
AVFrame * coded_frame
the picture in the bitstream
void void av_vlog(void *avcl, int level, const char *fmt, va_list vl)
Send the specified message to the log if the level is less than or equal to the current av_log_level...
int linesize[AV_NUM_DATA_POINTERS]
For video, size in bytes of each picture line.
float qcompress
amount of qscale change between easy & hard scenes (0.0-1.0)
int noise_reduction
noise reduction strength
int gop_size
the number of pictures in a group of pictures, or 0 for intra_only
common internal api header.
int trellis
trellis RD quantization
uneven multi-hexagon search
AVCodec ff_libxavs_encoder
int key_frame
1 -> keyframe, 0-> not
#define FF_QP2LAMBDA
factor to convert from H.263 QP to lambda
int64_t dts
Decompression timestamp in AVStream->time_base units; the time at which the packet is decompressed...
int frame_number
Frame counter, set by libavcodec.
int me_method
Motion estimation algorithm used for video coding.
This structure stores compressed data.
int me_subpel_quality
subpel ME quality
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.
int64_t pts
Presentation timestamp in AVStream->time_base units; the time at which the decompressed packet will b...
void * av_mallocz(size_t size) av_malloc_attrib 1(1)
Allocate a block of size bytes with alignment suitable for all memory accesses (including vectors if ...
int keyint_min
minimum GOP size