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videoscale: Allow passthrough for ANY caps features

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This commit is contained in:
Sebastian Dröge 2013-04-08 08:29:34 +02:00
parent d0133a2d11
commit 882677eb8e
1 changed files with 24 additions and 12 deletions
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36
gst/videoscale/gstvideoscale.c
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@ -131,7 +131,8 @@ enum
static GstStaticCaps gst_video_scale_format_caps =
GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE (GST_VIDEO_FORMATS));
GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE (GST_VIDEO_FORMATS) ";"
GST_VIDEO_CAPS_MAKE_WITH_FEATURES ("ANY", GST_VIDEO_FORMATS));
#define GST_TYPE_VIDEO_SCALE_METHOD (gst_video_scale_method_get_type())
static GType
@ -410,7 +411,7 @@ get_formats_filter (GstVideoScaleMethod method)
case GST_VIDEO_SCALE_4TAP:
{
static GstStaticCaps fourtap_filter =
GST_STATIC_CAPS ("video/x-raw,"
GST_STATIC_CAPS ("video/x-raw(ANY),"
"format = (string) { RGBx, xRGB, BGRx, xBGR, RGBA, "
"ARGB, BGRA, ABGR, AYUV, ARGB64, AYUV64, "
"RGB, BGR, v308, YUY2, YVYU, UYVY, "
@ -421,7 +422,7 @@ get_formats_filter (GstVideoScaleMethod method)
case GST_VIDEO_SCALE_LANCZOS:
{
static GstStaticCaps lanczos_filter =
GST_STATIC_CAPS ("video/x-raw,"
GST_STATIC_CAPS ("video/x-raw(ANY),"
"format = (string) { RGBx, xRGB, BGRx, xBGR, RGBA, "
"ARGB, BGRA, ABGR, AYUV, ARGB64, AYUV64, "
"I420, YV12, Y444, Y42B, Y41B }");
@ -442,6 +443,7 @@ gst_video_scale_transform_caps (GstBaseTransform * trans,
GstVideoScaleMethod method;
GstCaps *ret, *mfilter;
GstStructure *structure;
GstCapsFeatures *features;
gint i, n;
GST_DEBUG_OBJECT (trans,
@ -453,6 +455,8 @@ gst_video_scale_transform_caps (GstBaseTransform * trans,
GST_OBJECT_UNLOCK (videoscale);
/* filter the supported formats */
/* FIXME: Ideally we would still allow passthrough for the color formats
* that are unsupported by the selected method */
if ((mfilter = get_formats_filter (method))) {
caps = gst_caps_intersect_full (caps, mfilter, GST_CAPS_INTERSECT_FIRST);
gst_caps_unref (mfilter);
@ -464,24 +468,32 @@ gst_video_scale_transform_caps (GstBaseTransform * trans,
n = gst_caps_get_size (caps);
for (i = 0; i < n; i++) {
structure = gst_caps_get_structure (caps, i);
features = gst_caps_get_features (caps, i);
/* If this is already expressed by the existing caps
* skip this structure */
if (i > 0 && gst_caps_is_subset_structure (ret, structure))
if (i > 0 && gst_caps_is_subset_structure_full (ret, structure, features))
continue;
/* make copy */
structure = gst_structure_copy (structure);
gst_structure_set (structure,
"width", GST_TYPE_INT_RANGE, 1, G_MAXINT,
"height", GST_TYPE_INT_RANGE, 1, G_MAXINT, NULL);
/* if pixel aspect ratio, make a range of it */
if (gst_structure_has_field (structure, "pixel-aspect-ratio")) {
gst_structure_set (structure, "pixel-aspect-ratio",
GST_TYPE_FRACTION_RANGE, 1, G_MAXINT, G_MAXINT, 1, NULL);
/* If the features are non-sysmem we can only do passthrough */
if (!gst_caps_features_is_any (features)
&& gst_caps_features_is_equal (features,
GST_CAPS_FEATURES_MEMORY_SYSTEM_MEMORY)) {
gst_structure_set (structure, "width", GST_TYPE_INT_RANGE, 1, G_MAXINT,
"height", GST_TYPE_INT_RANGE, 1, G_MAXINT, NULL);
/* if pixel aspect ratio, make a range of it */
if (gst_structure_has_field (structure, "pixel-aspect-ratio")) {
gst_structure_set (structure, "pixel-aspect-ratio",
GST_TYPE_FRACTION_RANGE, 1, G_MAXINT, G_MAXINT, 1, NULL);
}
}
gst_caps_append_structure (ret, structure);
gst_caps_append_structure_full (ret, structure,
gst_caps_features_copy (features));
}
if (filter) {