From 2c2d689c56646cce64d02a3b75f61c12c5589260 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Tue, 15 May 2018 17:07:00 +0200 Subject: [PATCH] avformat/mov: Only fail for STCO/STSC contradictions if both exist Fixes regression with playback of GF9720Repeal20the20Eighth20with20Helen20Linehan.m4a See: crbug 822666 Found-by: "Mattias Wadman Signed-off-by: Michael Niedermayer --- libavformat/mov.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavformat/mov.c b/libavformat/mov.c index 4848a106f2..a078bf4712 100644 --- a/libavformat/mov.c +++ b/libavformat/mov.c @@ -4148,7 +4148,7 @@ static int mov_read_trak(MOVContext *c, AVIOContext *pb, MOVAtom atom) st->index); return 0; } - if (sc->stsc_count && sc->stsc_data[ sc->stsc_count - 1 ].first > sc->chunk_count) { + if (sc->chunk_count && sc->stsc_count && sc->stsc_data[ sc->stsc_count - 1 ].first > sc->chunk_count) { av_log(c->fc, AV_LOG_ERROR, "stream %d, contradictionary STSC and STCO\n", st->index); return AVERROR_INVALIDDATA;