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avformat/mpegenc: try to improve the VBV buffer warning

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Maybe fixes Ticket 3494
Part of the message suggested by: rogerdpack
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2014-04-16 17:05:05 +02:00
parent 3b808900af
commit 572f5eb1af
1 changed files with 3 additions and 1 deletions
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4
libavformat/mpegenc.c
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@ -387,7 +387,9 @@ static av_cold int mpeg_mux_init(AVFormatContext *ctx)
if (st->codec->rc_buffer_size) if (st->codec->rc_buffer_size)
stream->max_buffer_size = 6*1024 + st->codec->rc_buffer_size/8; stream->max_buffer_size = 6*1024 + st->codec->rc_buffer_size/8;
else { else {
av_log(ctx, AV_LOG_WARNING, "VBV buffer size not set, muxing may fail\n"); av_log(ctx, AV_LOG_WARNING, "VBV buffer size not set, using default size of 130KB\n"
"If you want the mpeg file to be compliant to some specification\n"
"Like DVD, VCD or others, make sure you set the correct buffer size\n");
stream->max_buffer_size = 230*1024; //FIXME this is probably too small as default stream->max_buffer_size = 230*1024; //FIXME this is probably too small as default
} }
if (stream->max_buffer_size > 1024 * 8191) { if (stream->max_buffer_size > 1024 * 8191) {