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cvsmooth: Add support for video/x-raw-gray

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This commit is contained in:
Thiago Santos 2010-05-16 11:42:08 -03:00
parent 824d69d5ad
commit 971fe3ae0c
4 changed files with 49 additions and 35 deletions
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6
ext/opencv/basicfilters/gstcvsmooth.c
View file

@ -55,13 +55,15 @@ GST_DEBUG_CATEGORY_STATIC (gst_cv_smooth_debug);
static GstStaticPadTemplate sink_factory = GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("video/x-raw-rgb, depth=(int)24, bpp=(int)24")
GST_STATIC_CAPS ("video/x-raw-rgb, depth=(int)24, bpp=(int)24;"
"video/x-raw-gray, depth=(int)8, bpp=(int)8")
);
static GstStaticPadTemplate src_factory = GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("video/x-raw-rgb, depth=(int)24, bpp=(int)24")
GST_STATIC_CAPS ("video/x-raw-rgb, depth=(int)24, bpp=(int)24;"
"video/x-raw-gray, depth=(int)8, bpp=(int)8")
);
/* Filter signals and args */

8
ext/opencv/gstopencvbasetrans.c
View file

@ -212,14 +212,14 @@ gst_opencv_base_transform_set_caps (GstBaseTransform * trans, GstCaps * incaps,
{
GstOpencvBaseTransform *transform = GST_OPENCV_BASE_TRANSFORM (trans);
gint in_width, in_height;
gint in_depth, in_type, in_channels;
gint in_depth, in_channels;
gint out_width, out_height;
gint out_depth, out_type, out_channels;
gint out_depth, out_channels;
GError *in_err = NULL;
GError *out_err = NULL;
if (!gst_opencv_parse_iplimage_params_from_caps (incaps, &in_width,
&in_height, &in_depth, &in_type, &in_channels, &in_err)) {
&in_height, &in_depth, &in_channels, &in_err)) {
GST_WARNING_OBJECT (transform, "Failed to parse input caps: %s",
in_err->message);
g_error_free (in_err);
@ -227,7 +227,7 @@ gst_opencv_base_transform_set_caps (GstBaseTransform * trans, GstCaps * incaps,
}
if (!gst_opencv_parse_iplimage_params_from_caps (outcaps, &out_width,
&out_height, &out_depth, &out_type, &out_channels, &out_err)) {
&out_height, &out_depth, &out_channels, &out_err)) {
GST_WARNING_OBJECT (transform, "Failed to parse output caps: %s",
out_err->message);
g_error_free (out_err);

65
ext/opencv/gstopencvutils.c
View file

@ -27,45 +27,46 @@ gst_opencv_get_ipl_depth_and_channels (GstStructure * structure,
{
gint depth, bpp;
if (!gst_structure_get_int (structure, "depth", &depth) ||
!gst_structure_get_int (structure, "bpp", &bpp)) {
g_set_error (err, GST_CORE_ERROR, GST_CORE_ERROR_NEGOTIATION,
"No depth/bpp in caps");
return FALSE;
}
if (depth != bpp) {
g_set_error (err, GST_CORE_ERROR, GST_CORE_ERROR_NEGOTIATION,
"Depth and bpp should be equal");
return FALSE;
}
if (gst_structure_has_name (structure, "video/x-raw-rgb")) {
*channels = 3;
if (!gst_structure_get_int (structure, "depth", &depth) ||
!gst_structure_get_int (structure, "bpp", &bpp)) {
g_set_error (err, GST_CORE_ERROR, GST_CORE_ERROR_NEGOTIATION,
"No depth/bpp in caps");
return FALSE;
}
if (depth != bpp) {
g_set_error (err, GST_CORE_ERROR, GST_CORE_ERROR_NEGOTIATION,
"Depth and bpp should be equal");
return FALSE;
}
if (depth == 24) {
/* TODO signdness? */
*ipldepth = IPL_DEPTH_8U;
} else {
g_set_error (err, GST_CORE_ERROR, GST_CORE_ERROR_NEGOTIATION,
"Unsupported depth: %d", depth);
return FALSE;
}
return TRUE;
} else if (gst_structure_has_name (structure, "video/x-raw-gray")) {
*channels = 1;
} else {
g_set_error (err, GST_CORE_ERROR, GST_CORE_ERROR_NEGOTIATION,
"Unsupported caps %s", gst_structure_get_name (structure));
return FALSE;
}
if (depth / *channels == 8) {
/* TODO signdness? */
*ipldepth = IPL_DEPTH_8U;
} else {
g_set_error (err, GST_CORE_ERROR, GST_CORE_ERROR_NEGOTIATION,
"Unsupported depth/channels %d/%d", depth, *channels);
return FALSE;
}
return TRUE;
}
gboolean
gst_opencv_parse_iplimage_params_from_caps (GstCaps * caps, gint * width,
gint * height, gint * ipldepth, gint * type, gint * channels, GError ** err)
gst_opencv_parse_iplimage_params_from_structure (GstStructure * structure,
gint * width, gint * height, gint * ipldepth, gint * channels,
GError ** err)
{
GstStructure *structure = gst_caps_get_structure (caps, 0);
if (!gst_opencv_get_ipl_depth_and_channels (structure, ipldepth, channels,
err)) {
return FALSE;
@ -80,3 +81,11 @@ gst_opencv_parse_iplimage_params_from_caps (GstCaps * caps, gint * width,
return TRUE;
}
gboolean
gst_opencv_parse_iplimage_params_from_caps (GstCaps * caps, gint * width,
gint * height, gint * ipldepth, gint * channels, GError ** err)
{
return gst_opencv_parse_iplimage_params_from_structure (
gst_caps_get_structure (caps, 0), width, height, ipldepth, channels, err);
}

5
ext/opencv/gstopencvutils.h
View file

@ -33,7 +33,10 @@ gboolean
gst_opencv_get_ipldepth (gint depth, gint bpp, gint * ipldepth);
gboolean gst_opencv_parse_iplimage_params_from_caps
(GstCaps * caps, gint * width, gint * height, gint * depth, gint * type,
(GstCaps * caps, gint * width, gint * height, gint * depth,
gint * channels, GError ** err);
gboolean gst_opencv_parse_iplimage_params_from_structure
(GstStructure * structure, gint * width, gint * height, gint * depth,
gint * channels, GError ** err);
#endif /* __GST_OPENCV_UTILS__ */