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mov: reject zero bytes_per_frame with non-zero samples_per_frame

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In this case the mov demuxer can return a large number of empty packets.

Reviewed-by: Michael Niedermayer <michaelni@gmx.at>
Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>
This commit is contained in:
Andreas Cadhalpun 2015-05-25 17:17:39 +02:00
parent 3232ac4bac
commit 83a04f8cc1
1 changed files with 7 additions and 0 deletions
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7
libavformat/mov.c
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@ -2587,6 +2587,13 @@ static void mov_build_index(MOVContext *mov, AVStream *st)
AVIndexEntry *e;
unsigned size, samples;
if (sc->samples_per_frame > 1 && !sc->bytes_per_frame) {
avpriv_request_sample(mov->fc,
"Zero bytes per frame, but %d samples per frame",
sc->samples_per_frame);
return;
}
if (sc->samples_per_frame >= 160) { // gsm
samples = sc->samples_per_frame;
size = sc->bytes_per_frame;