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avcodec/mpegvideo_parser: consider vbv_delay in bitrate heuristic also for mpeg2

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Fixes bitrate detection in CBR mpeg2
Fixes ticket3678
This commit is contained in:
Michael Niedermayer 2014-08-20 20:01:40 +02:00
parent 08a110ca87
commit d647ef0c80
1 changed files with 3 additions and 2 deletions
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5
libavcodec/mpegvideo_parser.c
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@ -145,8 +145,9 @@ static void mpegvideo_extract_headers(AVCodecParserContext *s,
the_end: ;
if (avctx->codec_id == AV_CODEC_ID_MPEG2VIDEO && bit_rate) {
avctx->rc_max_rate = 400*bit_rate;
} else if (avctx->codec_id == AV_CODEC_ID_MPEG1VIDEO && bit_rate &&
(bit_rate != 0x3FFFF || vbv_delay != 0xFFFF)) {
}
if (bit_rate &&
((avctx->codec_id == AV_CODEC_ID_MPEG1VIDEO && bit_rate != 0x3FFFF) || vbv_delay != 0xFFFF)) {
avctx->bit_rate = 400*bit_rate;
}
}