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sys/v4l2/v4l2src_calls.c: Make sure the probed frame sizes are reversed in the resulting caps also when using V4L2_FR...

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Original commit message from CVS:
Patch by: William M. Brack <wbrack at mmm com hk>
* sys/v4l2/v4l2src_calls.c:
(gst_v4l2src_probe_caps_for_format_and_size),
(gst_v4l2src_probe_caps_for_format):
Make sure the probed frame sizes are reversed in the resulting
caps also when using V4L2_FRMSIZE_STEPWISE (so they end up
highest resolution first); also remove unused variable.
(Partly fixes #520092)
This commit is contained in:
William M. Brack 2008-03-17 19:50:58 +00:00 committed by Tim-Philipp Müller
parent 110a0ea563
commit a6019fc0bf
2 changed files with 21 additions and 4 deletions
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12
ChangeLog
View file

@ -1,3 +1,15 @@
2008-03-17 Tim-Philipp Müller <tim at centricular dot net>
Patch by: William M. Brack <wbrack at mmm com hk>
* sys/v4l2/v4l2src_calls.c:
(gst_v4l2src_probe_caps_for_format_and_size),
(gst_v4l2src_probe_caps_for_format):
Make sure the probed frame sizes are reversed in the resulting
caps also when using V4L2_FRMSIZE_STEPWISE (so they end up
highest resolution first); also remove unused variable.
(Partly fixes #520092)
2008-03-17 Wim Taymans <wim.taymans@collabora.co.uk>
Patch by: Ole André Vadla Ravnås <ole.andre.ravnas@tandberg.com>

13
sys/v4l2/v4l2src_calls.c
View file

@ -573,15 +573,12 @@ gst_v4l2src_probe_caps_for_format_and_size (GstV4l2Src * v4l2src,
guint32 pixelformat,
guint32 width, guint32 height, const GstStructure * template)
{
GstCaps *ret;
gint fd = v4l2src->v4l2object->video_fd;
struct v4l2_frmivalenum ival;
guint32 num, denom;
GstStructure *s;
GValue rates = { 0, };
ret = gst_caps_new_empty ();
memset (&ival, 0, sizeof (struct v4l2_frmivalenum));
ival.index = 0;
ival.pixel_format = pixelformat;
@ -787,6 +784,9 @@ gst_v4l2src_probe_caps_for_format (GstV4l2Src * v4l2src, guint32 pixelformat,
tmp = gst_v4l2src_probe_caps_for_format_and_size (v4l2src, pixelformat,
w, h, template);
/* we get low res to high res, but want high res to low res in caps, so
* prepend structs to results list, we'll reverse the order later then */
if (tmp)
results = g_list_prepend (results, tmp);
@ -801,8 +801,11 @@ gst_v4l2src_probe_caps_for_format (GstV4l2Src * v4l2src, guint32 pixelformat,
tmp = gst_v4l2src_probe_caps_for_format_and_size (v4l2src, pixelformat,
w, h, template);
/* we get low res to high res, but want high res to low res in caps, so
* prepend structs to results list, we'll reverse the order later then */
if (tmp)
gst_caps_append_structure (ret, tmp);
results = g_list_prepend (results, tmp);
}
} else if (size.type == V4L2_FRMSIZE_TYPE_CONTINUOUS) {
guint32 maxw, maxh;
@ -818,6 +821,8 @@ gst_v4l2src_probe_caps_for_format (GstV4l2Src * v4l2src, guint32 pixelformat,
gst_structure_set (tmp, "width", GST_TYPE_INT_RANGE, (gint) w,
(gint) maxw, "height", GST_TYPE_INT_RANGE, (gint) h, (gint) maxh,
NULL);
/* no point using the results list here, since there's only one struct */
gst_caps_append_structure (ret, tmp);
}
} else {