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avformat/dtsdec: skip the first 4k in dts_probe()

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DTS primarly needs to be separated from PCM, and PCM can contain cliping and
overshoots at the very start which can mimic DTS headers.

If this isnt sufficient then more of the DTS stream has to be decoded
and analyzed

Fixes ticket3784

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2014-08-02 17:25:04 +02:00
parent e6fabd6e9b
commit 2b501b553f
1 changed files with 1 additions and 1 deletions
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2
libavformat/dtsdec.c
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@ -36,7 +36,7 @@ static int dts_probe(AVProbeData *p)
int sum, max, i;
int64_t diff = 0;
buf = p->buf;
buf = p->buf + FFMIN(4096, p->buf_size);
for(; buf < (p->buf+p->buf_size)-2; buf+=2) {
bufp = buf;