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mpegvideo_enc: add strict_gop flag to mpv_flags. 

Deprecate CODEC_FLAG2_STRICT_GOP.
This commit is contained in:
Anton Khirnov 2012-02-27 12:23:19 +01:00
parent ed019b8e5b
commit a249f0cc23
4 changed files with 9 additions and 3 deletions
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2
libavcodec/avcodec.h
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@ -567,10 +567,10 @@ typedef struct RcOverride{
#define CODEC_FLAG_INTERLACED_ME 0x20000000 ///< interlaced motion estimation
#define CODEC_FLAG_CLOSED_GOP 0x80000000
#define CODEC_FLAG2_FAST 0x00000001 ///< Allow non spec compliant speedup tricks.
#define CODEC_FLAG2_STRICT_GOP 0x00000002 ///< Strictly enforce GOP size.
#define CODEC_FLAG2_NO_OUTPUT 0x00000004 ///< Skip bitstream encoding.
#define CODEC_FLAG2_LOCAL_HEADER 0x00000008 ///< Place global headers at every keyframe instead of in extradata.
#if FF_API_MPV_GLOBAL_OPTS
#define CODEC_FLAG2_STRICT_GOP 0x00000002 ///< Strictly enforce GOP size.
#define CODEC_FLAG2_SKIP_RD 0x00004000 ///< RD optimal MB level residual skipping
#endif
#define CODEC_FLAG2_CHUNKS 0x00008000 ///< Input bitstream might be truncated at a packet boundaries instead of only at frame boundaries.

2
libavcodec/mpegvideo.h
View File

@ -700,12 +700,14 @@ typedef struct MpegEncContext {
/* mpegvideo_enc common options */
#define FF_MPV_FLAG_SKIP_RD 0x0001
#define FF_MPV_FLAG_STRICT_GOP 0x0002
#define FF_MPV_OFFSET(x) offsetof(MpegEncContext, x)
#define FF_MPV_OPT_FLAGS (AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM)
#define FF_MPV_COMMON_OPTS \
{ "mpv_flags", "Flags common for all mpegvideo-based encoders.", FF_MPV_OFFSET(mpv_flags), AV_OPT_TYPE_FLAGS, { 0 }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS, "mpv_flags" },\
{ "skip_rd", "RD optimal MB level residual skipping", 0, AV_OPT_TYPE_CONST, { FF_MPV_FLAG_SKIP_RD }, 0, 0, FF_MPV_OPT_FLAGS, "mpv_flags" },\
{ "strict_gop", "Strictly enforce gop size", 0, AV_OPT_TYPE_CONST, { FF_MPV_FLAG_STRICT_GOP }, 0, 0, FF_MPV_OPT_FLAGS, "mpv_flags" },
extern const AVOption ff_mpv_generic_options[];

4
libavcodec/mpegvideo_enc.c
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@ -614,6 +614,8 @@ av_cold int ff_MPV_encode_init(AVCodecContext *avctx)
#if FF_API_MPV_GLOBAL_OPTS
if (avctx->flags2 & CODEC_FLAG2_SKIP_RD)
s->mpv_flags |= FF_MPV_FLAG_SKIP_RD;
if (avctx->flags2 & CODEC_FLAG2_STRICT_GOP)
s->mpv_flags |= FF_MPV_FLAG_STRICT_GOP;
#endif
switch (avctx->codec->id) {
@ -1300,7 +1302,7 @@ static int select_input_picture(MpegEncContext *s)
}
if (s->picture_in_gop_number + b_frames >= s->gop_size) {
if ((s->flags2 & CODEC_FLAG2_STRICT_GOP) &&
if ((s->mpv_flags & FF_MPV_FLAG_STRICT_GOP) &&
s->gop_size > s->picture_in_gop_number) {
b_frames = s->gop_size - s->picture_in_gop_number - 1;
} else {

4
libavcodec/options.c
View File

@ -102,7 +102,9 @@ static const AVOption options[]={
{"ilme", "interlaced motion estimation", 0, AV_OPT_TYPE_CONST, {.dbl = CODEC_FLAG_INTERLACED_ME }, INT_MIN, INT_MAX, V|E, "flags"},
{"cgop", "closed gop", 0, AV_OPT_TYPE_CONST, {.dbl = CODEC_FLAG_CLOSED_GOP }, INT_MIN, INT_MAX, V|E, "flags"},
{"fast", "allow non spec compliant speedup tricks", 0, AV_OPT_TYPE_CONST, {.dbl = CODEC_FLAG2_FAST }, INT_MIN, INT_MAX, V|E, "flags2"},
{"sgop", "strictly enforce gop size", 0, AV_OPT_TYPE_CONST, {.dbl = CODEC_FLAG2_STRICT_GOP }, INT_MIN, INT_MAX, V|E, "flags2"},
#if FF_API_MPV_GLOBAL_OPTS
{"sgop", "Deprecated, use mpegvideo private options instead", 0, AV_OPT_TYPE_CONST, {.dbl = CODEC_FLAG2_STRICT_GOP }, INT_MIN, INT_MAX, V|E, "flags2"},
#endif
{"noout", "skip bitstream encoding", 0, AV_OPT_TYPE_CONST, {.dbl = CODEC_FLAG2_NO_OUTPUT }, INT_MIN, INT_MAX, V|E, "flags2"},
{"local_header", "place global headers at every keyframe instead of in extradata", 0, AV_OPT_TYPE_CONST, {.dbl = CODEC_FLAG2_LOCAL_HEADER }, INT_MIN, INT_MAX, V|E, "flags2"},
{"sub_id", NULL, OFFSET(sub_id), AV_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX},