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-rw-r--r--libavformat/dv1394.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/libavformat/dv1394.c b/libavformat/dv1394.c
index f0b5e8d..2c70827 100644
--- a/libavformat/dv1394.c
+++ b/libavformat/dv1394.c
@@ -84,7 +84,11 @@ static int dv1394_read_header(AVFormatContext * context, AVFormatParameters * ap
dv->width = DV1394_WIDTH;
dv->height = DV1394_HEIGHT;
- dv->channel = ap->channel;
+
+ if (ap->channel)
+ dv->channel = ap->channel;
+ else
+ dv->channel = DV1394_DEFAULT_CHANNEL;
dv->frame_rate = 30;
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