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asfdec: ignore stored duration for truncated files 

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2012-10-23 16:11:38 +02:00
parent 8469fc17e2
commit d8f27eceaa
1 changed files with 4 additions and 2 deletions
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6
libavformat/asfdec.c
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@ -351,8 +351,10 @@ static int asf_read_stream_properties(AVFormatContext *s, int64_t size)
asf_st->stream_language_index = 128; // invalid stream index means no language info
if(!(asf->hdr.flags & 0x01)) { // if we aren't streaming...
st->duration = asf->hdr.play_time /
(10000000 / 1000) - start_time;
int64_t fsize = avio_size(pb);
if (fsize <= 0 || asf->hdr.file_size <= 0 || FFABS(fsize - asf->hdr.file_size) < 10000)
st->duration = asf->hdr.play_time /
(10000000 / 1000) - start_time;
}
ff_get_guid(pb, &g);