rv10: Reject slices that does not have the same type as the first one

This prevents crashes with some corrupted bitstreams.

Signed-off-by: Martin Storsjö <martin@martin.st>
(cherry picked from commit 4a29b471869353c3077fb4b25b6518eb1047afb7)

Signed-off-by: Anton Khirnov <anton@khirnov.net>
(cherry picked from commit 28d948ac44e38e8bec2f6268ccf4747ff4d992a9)

Signed-off-by: Reinhard Tartler <siretart@tauware.de>
This commit is contained in:
Laurent Aimar 2011-09-18 00:03:08 +02:00 committed by Reinhard Tartler
parent 23f622de60
commit 7cd7461ec8

View File

@ -559,6 +559,11 @@ static int rv10_decode_packet(AVCodecContext *avctx,
if(MPV_frame_start(s, avctx) < 0)
return -1;
ff_er_frame_start(s);
} else {
if (s->current_picture_ptr->pict_type != s->pict_type) {
av_log(s->avctx, AV_LOG_ERROR, "Slice type mismatch\n");
return -1;
}
}
dprintf(avctx, "qscale=%d\n", s->qscale);