[SCM] libav/experimental: correctly set profile/level for hd
siretart at users.alioth.debian.org
siretart at users.alioth.debian.org
Sun Jun 30 15:55:50 UTC 2013
The following commit has been merged in the experimental branch:
commit 09d7aa7e3067ffbacdef52a0f7634b09c4aaa7ce
Author: Baptiste Coudurier <baptiste.coudurier at gmail.com>
Date: Thu Feb 1 09:47:36 2007 +0000
correctly set profile/level for hd
Originally committed as revision 7795 to svn://svn.ffmpeg.org/ffmpeg/trunk
diff --git a/libavcodec/mpeg12.c b/libavcodec/mpeg12.c
index 27d689f..c0d1f0d 100644
--- a/libavcodec/mpeg12.c
+++ b/libavcodec/mpeg12.c
@@ -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
--
Libav/FFmpeg packaging
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