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correctly set profile/level for hd

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Originally committed as revision 7795 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Baptiste Coudurier 2007-02-01 09:47:36 +00:00
parent 65d999d6cf
commit 09d7aa7e30
1 changed files with 22 additions and 5 deletions
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27
libavcodec/mpeg12.c
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@ -234,11 +234,28 @@ static int encode_init(AVCodecContext *avctx)
}
}
if(avctx->profile == FF_PROFILE_UNKNOWN)
avctx->profile = s->chroma_format == CHROMA_420 ? 4 : 0;
if(avctx->profile == FF_PROFILE_UNKNOWN){
if(avctx->level != FF_LEVEL_UNKNOWN){
av_log(avctx, AV_LOG_ERROR, "Set profile and level\n");
return -1;
}
avctx->profile = s->chroma_format == CHROMA_420 ? 4 : 0; /* Main or 4:2:2 */
}
if(avctx->level == FF_LEVEL_UNKNOWN)
avctx->level = s->chroma_format == CHROMA_420 ? 8 : 5;
if(avctx->level == FF_LEVEL_UNKNOWN){
if(avctx->profile == 0){ /* 4:2:2 */
if(avctx->width <= 720 && avctx->height <= 608) avctx->level = 5; /* Main */
else avctx->level = 2; /* High */
}else{
if(avctx->profile != 1 && s->chroma_format != CHROMA_420){
av_log(avctx, AV_LOG_ERROR, "Only High(1) and 4:2:2(0) profiles support 4:2:2 color sampling\n");
return -1;
}
if(avctx->width <= 720 && avctx->height <= 576) avctx->level = 8; /* Main */
else if(avctx->width <= 1440) avctx->level = 6; /* High 1440 */
else avctx->level = 4; /* High */
}
}
if((avctx->flags2 & CODEC_FLAG2_DROP_FRAME_TIMECODE) && s->frame_rate_index != 4){
av_log(avctx, AV_LOG_ERROR, "Drop frame time code only allowed with 1001/30000 fps\n");
@ -333,7 +350,7 @@ static void mpeg1_encode_sequence_header(MpegEncContext *s)
put_header(s, EXT_START_CODE);
put_bits(&s->pb, 4, 1); //seq ext
put_bits(&s->pb, 1, s->chroma_format == CHROMA_422); //escx
put_bits(&s->pb, 1, s->avctx->profile == 0); //escx 1 for 4:2:2 profile */
put_bits(&s->pb, 3, s->avctx->profile); //profile
put_bits(&s->pb, 4, s->avctx->level); //level