Commit 52c017ca authored by Nicolas Dechesne's avatar Nicolas Dechesne Committed by Nicolas Dufresne

v4l2videodec: add some useful debug messages

Add a couple of useful debug traces , they happened to be useful to
debug/investigate a 4K video playback issue with v4l2, so let's make these
changes more permanent.
Signed-off-by: default avatarNicolas Dechesne <>
parent 6d0a9abd
......@@ -580,12 +580,14 @@ gst_v4l2_video_dec_handle_frame (GstVideoDecoder * decoder,
/* Create caps from the acquired format, remove the format field */
acquired_caps = gst_video_info_to_caps (&info);
GST_DEBUG_OBJECT (self, "Acquired caps: %" GST_PTR_FORMAT, acquired_caps);
st = gst_caps_get_structure (acquired_caps, 0);
gst_structure_remove_field (st, "format");
/* Probe currently available pixel formats */
available_caps = gst_v4l2_object_probe_caps (self->v4l2capture, NULL);
available_caps = gst_caps_make_writable (available_caps);
GST_DEBUG_OBJECT (self, "Available caps: %" GST_PTR_FORMAT, available_caps);
/* Replace coded size with visible size, we want to negotiate visible size
* with downstream, not coded size. */
......@@ -593,6 +595,7 @@ gst_v4l2_video_dec_handle_frame (GstVideoDecoder * decoder,
filter = gst_caps_intersect_full (available_caps, acquired_caps,
GST_DEBUG_OBJECT (self, "Filtered caps: %" GST_PTR_FORMAT, filter);
gst_caps_unref (acquired_caps);
gst_caps_unref (available_caps);
caps = gst_pad_peer_query_caps (decoder->srcpad, filter);
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