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dvenc: Validate the frame size before copying it

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This commit is contained in:
Luca Barbato 2015-10-18 23:44:25 +02:00
parent 7139489c45
commit f7986239f4
1 changed files with 5 additions and 0 deletions
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5
libavformat/dvenc.c
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@ -249,6 +249,11 @@ static int dv_assemble_frame(DVMuxContext *c, AVStream* st,
/* FIXME: we have to have more sensible approach than this one */ /* FIXME: we have to have more sensible approach than this one */
if (c->has_video) if (c->has_video)
av_log(st->codec, AV_LOG_ERROR, "Can't process DV frame #%d. Insufficient audio data or severe sync problem.\n", c->frames); av_log(st->codec, AV_LOG_ERROR, "Can't process DV frame #%d. Insufficient audio data or severe sync problem.\n", c->frames);
if (data_size != c->sys->frame_size) {
av_log(st->codec, AV_LOG_ERROR, "Unexpected frame size, %d != %d\n",
data_size, c->sys->frame_size);
return AVERROR(ENOSYS);
}
memcpy(*frame, data, c->sys->frame_size); memcpy(*frame, data, c->sys->frame_size);
c->has_video = 1; c->has_video = 1;