+2007-07-17 Stefan Kost <ensonic@users.sf.net>
+
+ * sys/v4l2/gstv4l2src.c: (gst_v4l2src_init):
+ Initialize num_buffers with minimum value.
+
+ * sys/v4l2/v4l2src_calls.c: (gst_v4l2src_fill_format_list),
+ (gst_v4l2src_probe_caps_for_format), (gst_v4l2src_grab_frame):
+ Handle frame-size query failure gracefully.
+
2007-07-16 Wim Taymans <wim.taymans@gmail.com>
* gst/qtdemux/qtdemux.c: (qtdemux_parse_node):
gst_v4l2_get_input, gst_v4l2_set_input, NULL);
/* number of buffers requested */
- v4l2src->num_buffers = 0;
+ v4l2src->num_buffers = 2;
v4l2src->formats = NULL;
G_OBJECT_CLASS (parent_class)->dispose (object);
}
+
static void
gst_v4l2src_finalize (GstV4l2Src * v4l2src)
{
G_OBJECT_CLASS (parent_class)->finalize ((GObject *) (v4l2src));
}
+
static void
gst_v4l2src_set_property (GObject * object,
guint prop_id, const GValue * value, GParamSpec * pspec)
v4l2src->formats = g_slist_prepend (v4l2src->formats, format);
}
v4l2src->formats = g_slist_reverse (v4l2src->formats);
+ GST_DEBUG_OBJECT (v4l2src, "got %d format(s)", n);
return TRUE;
/* ERRORS */
gst_v4l2src_probe_caps_for_format (GstV4l2Src * v4l2src, guint32 pixelformat,
const GstStructure * template)
{
-#ifdef VIDIOC_ENUM_FRAMESIZES
GstCaps *ret;
GstStructure *tmp;
+
+#ifdef VIDIOC_ENUM_FRAMESIZES
gint fd = v4l2src->v4l2object->video_fd;
struct v4l2_frmsizeenum size;
guint32 w, h;
GST_DEBUG_OBJECT (v4l2src,
"Failed to enumerate frame sizes for pixelformat %" GST_FOURCC_FORMAT
" (%s)", GST_FOURCC_ARGS (pixelformat), g_strerror (errno));
- return NULL;
+ goto default_frame_sizes;
}
unknown_type:
{
GST_WARNING_OBJECT (v4l2src,
"Unknown frame sizeenum type for pixelformat %" GST_FOURCC_FORMAT
": %u", GST_FOURCC_ARGS (pixelformat), size.type);
- return NULL;
+ goto default_frame_sizes;
}
-#else /* defined VIDIOC_ENUM_FRAMESIZES */
- GstCaps *ret;
- GstStructure *tmp;
+default_frame_sizes:
+#endif /* defined VIDIOC_ENUM_FRAMESIZES */
/* This code is for Linux < 2.6.19 */
(gint) 1, (gint) 100, (gint) 1, NULL);
gst_caps_append_structure (ret, tmp);
return ret;
-#endif /* defined VIDIOC_ENUM_FRAMESIZES */
}
/******************************************************
else {
*/
GST_DEBUG_OBJECT (v4l2src, "reenqueing buffer");
- if (ioctl (v4l2src->v4l2object->video_fd, VIDIOC_QBUF, &buffer) < 0) {
- goto qbuf_failed;
- }
+ /* FIXME: this is not a good idea, as drivers usualy return the buffer
+ * with index-number set to 0, thus the re-enque will fail unless it
+ * was incidentialy 0.
+ * We could try to re-enque all buffers without handling the ioctl
+ * return.
+ */
+ /*
+ if (ioctl (v4l2src->v4l2object->video_fd, VIDIOC_QBUF, &buffer) < 0) {
+ goto qbuf_failed;
+ }
+ */
/*} */
}
break;
NUM_TRIALS, v4l2src->v4l2object->videodev, g_strerror (errno)));
return GST_FLOW_ERROR;
}
+/*
qbuf_failed:
{
GST_ELEMENT_ERROR (v4l2src, RESOURCE, WRITE,
v4l2src->v4l2object->videodev, g_strerror (errno)));
return GST_FLOW_ERROR;
}
+*/
}