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Diffstat (limited to 'libavformat/movenc.c')
-rw-r--r--libavformat/movenc.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/libavformat/movenc.c b/libavformat/movenc.c
index b1dafdb7fa..29de5b0ae8 100644
--- a/libavformat/movenc.c
+++ b/libavformat/movenc.c
@@ -1225,7 +1225,8 @@ static int mov_write_tkhd_tag(AVIOContext *pb, MOVTrack *track, AVStream *st)
avio_wb32(pb, 0); /* reserved */
avio_wb32(pb, 0); /* reserved */
- avio_wb32(pb, 0x0); /* reserved (Layer & Alternate group) */
+ avio_wb16(pb, 0); /* layer */
+ avio_wb16(pb, st->codec->codec_type); /* alternate group) */
/* Volume, only for audio */
if(track->enc->codec_type == AVMEDIA_TYPE_AUDIO)
avio_wb16(pb, 0x0100);