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-rw-r--r--libavformat/dv.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/libavformat/dv.c b/libavformat/dv.c
index c90ddec0d3..5e1c798586 100644
--- a/libavformat/dv.c
+++ b/libavformat/dv.c
@@ -343,7 +343,8 @@ int avpriv_dv_produce_packet(DVDemuxContext *c, AVPacket *pkt,
c->audio_pkt[i].pts = c->abytes * 30000*8 / c->ast[i]->codec->bit_rate;
ppcm[i] = c->audio_buf[i];
}
- dv_extract_audio(buf, ppcm, c->sys);
+ if (c->ach)
+ dv_extract_audio(buf, ppcm, c->sys);
/* We work with 720p frames split in half, thus even frames have
* channels 0,1 and odd 2,3. */