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Code Issues Releases Activity

avcodec/mpeg12dec: Add CPB coded side data

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This fixes mpeg2video stream copies to mpeg muxer like this:
  ffmpeg -i xdcamhd.mxf -c:v copy output.mpg

Signed-off-by: Anton Khirnov <anton@khirnov.net>
This commit is contained in:
Nicolas Gaullier 2020-03-05 09:17:24 +01:00 committed by Anton Khirnov
parent 42271f8e18
commit 1ec86be79b
3 changed files with 11 additions and 1 deletions
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7
libavcodec/mpeg12dec.c
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@ -1399,6 +1399,7 @@ static void mpeg_decode_sequence_extension(Mpeg1Context *s1)
MpegEncContext *s = &s1->mpeg_enc_ctx;
int horiz_size_ext, vert_size_ext;
int bit_rate_ext;
AVCPBProperties *cpb_props;
skip_bits(&s->gb, 1); /* profile and level esc*/
s->avctx->profile = get_bits(&s->gb, 3);
@ -1430,6 +1431,12 @@ static void mpeg_decode_sequence_extension(Mpeg1Context *s1)
ff_dlog(s->avctx, "sequence extension\n");
s->codec_id = s->avctx->codec_id = AV_CODEC_ID_MPEG2VIDEO;
if (cpb_props = ff_add_cpb_side_data(s->avctx)) {
cpb_props->buffer_size = s1->rc_buffer_size;
if (s->bit_rate != 0x3FFFF*400)
cpb_props->max_bitrate = s->bit_rate;
}
if (s->avctx->debug & FF_DEBUG_PICT_INFO)
av_log(s->avctx, AV_LOG_DEBUG,
"profile: %d, level: %d ps: %d cf:%d vbv buffer: %d, bitrate:%"PRId64"\n",

3
tests/ref/fate/mxf-probe-d10
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@ -50,6 +50,9 @@ DISPOSITION:clean_effects=0
DISPOSITION:attached_pic=0
DISPOSITION:timed_thumbnails=0
TAG:file_package_umid=0x060A2B340101010501010D1313000000AE86B200913105800000080046A54011
[SIDE_DATA]
side_data_type=CPB properties
[/SIDE_DATA]
[/STREAM]
[STREAM]
index=1

2
tests/ref/fate/ts-demux
View File

@ -15,7 +15,7 @@
1, 5760, 5760, 2880, 1536, 0xbab5129c
1, 8640, 8640, 2880, 1536, 0x602f034b, S=1, 1, 0x00bd00bd
1, 11520, 11520, 2880, 906, 0x69cdcbcd
0, 32037, 36541, 1501, 114336, 0x37a215a8, S=1, 1, 0x00e000e0
0, 32037, 36541, 1501, 114336, 0x37a215a8, S=2, 1, 0x00e000e0, 24, 0x663d0b52
0, 33538, 33538, 1501, 12560, 0xb559a3d4, F=0x0, S=1, 1, 0x00e000e0
0, 35040, 35040, 1501, 12704, 0x2614adf4, F=0x0, S=1, 1, 0x00e000e0
0, 36541, 41046, 1501, 51976, 0x9ff1dbfe, F=0x0, S=1, 1, 0x00e000e0