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avformat/utils: dvd still frames read thru libdvdnav ended up in internal lavf buffer 

This is the solution we've been using in XBMC for over 2 years for dvd still frames.
The problem is that the demuxer asks for probing of the codec in the mpeg stream.
This causes lavf to read the whole menu structure into internal buffers.
After which, it won't read from input stream anymore and no events triggers.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Voyager1 2014-02-02 15:36:20 +01:00 committed by Michael Niedermayer
parent c81a9d13f4
commit 9f6f4962fb
1 changed files with 1 additions and 1 deletions
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2
libavformat/utils.c
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@ -659,7 +659,7 @@ no_packet:
if (end || av_log2(pd->buf_size) != av_log2(pd->buf_size - pkt->size)) {
int score = set_codec_from_probe_data(s, st, pd);
if ( (st->codec->codec_id != AV_CODEC_ID_NONE && score > AVPROBE_SCORE_RETRY)
if ( (st->codec->codec_id != AV_CODEC_ID_NONE && score > AVPROBE_SCORE_RETRY-1)
|| end) {
pd->buf_size = 0;
av_freep(&pd->buf);