openharmony/third_party_ffmpeg
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Only try to probe the codec when the available data has roughly doubled

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relative to the last attempt.

Originally committed as revision 14188 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2008-07-12 19:57:30 +00:00
parent 312d24d5e9
commit 942de2f4fa
1 changed files with 2 additions and 0 deletions
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2
libavformat/utils.c
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@ -588,11 +588,13 @@ int av_read_packet(AVFormatContext *s, AVPacket *pkt)
pd->buf_size += pkt->size;
memset(pd->buf+pd->buf_size, 0, AVPROBE_PADDING_SIZE);
if(av_log2(pd->buf_size) != av_log2(pd->buf_size - pkt->size)){
set_codec_from_probe_data(st, pd, 1);
if(st->codec->codec_id != CODEC_ID_PROBE){
pd->buf_size=0;
av_freep(&pd->buf);
}
}
}
}
}