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709 lines
19 KiB
C
709 lines
19 KiB
C
/* GStreamer
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* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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/**
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* SECTION:element-alphacolor
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*
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* The alphacolor element does memory-efficient (in-place) colourspace
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* conversion from RGBA to AYUV or AYUV to RGBA while preserving the
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* alpha channel.
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*
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* Sample pipeline:
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* |[
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* gst-launch-1.0 videotestsrc ! "video/x-raw,format=(fourcc)AYUV" ! \
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* alphacolor ! videoconvert ! autovideosink
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* ]|
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "gstalphacolor.h"
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#include <gst/gst.h>
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#include <gst/video/video.h>
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#include <string.h>
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GST_DEBUG_CATEGORY_STATIC (alpha_color_debug);
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#define GST_CAT_DEFAULT alpha_color_debug
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/* elementfactory information */
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static GstStaticPadTemplate sink_template = GST_STATIC_PAD_TEMPLATE ("sink",
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GST_PAD_SINK,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE ("{ RGBA, BGRA, ARGB, ABGR, AYUV }"))
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);
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static GstStaticPadTemplate src_template = GST_STATIC_PAD_TEMPLATE ("src",
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GST_PAD_SRC,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE ("{ RGBA, BGRA, ARGB, ABGR, AYUV }"))
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);
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G_DEFINE_TYPE (GstAlphaColor, gst_alpha_color, GST_TYPE_VIDEO_FILTER);
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static GstCaps *gst_alpha_color_transform_caps (GstBaseTransform * btrans,
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GstPadDirection direction, GstCaps * caps, GstCaps * filter);
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static gboolean gst_alpha_color_set_info (GstVideoFilter * filter,
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GstCaps * incaps, GstVideoInfo * in_info, GstCaps * outcaps,
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GstVideoInfo * out_info);
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static GstFlowReturn gst_alpha_color_transform_frame_ip (GstVideoFilter *
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filter, GstVideoFrame * frame);
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static void
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gst_alpha_color_class_init (GstAlphaColorClass * klass)
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{
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GstElementClass *gstelement_class = (GstElementClass *) klass;
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GstBaseTransformClass *gstbasetransform_class =
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(GstBaseTransformClass *) klass;
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GstVideoFilterClass *gstvideofilter_class = (GstVideoFilterClass *) klass;
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GST_DEBUG_CATEGORY_INIT (alpha_color_debug, "alphacolor", 0,
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"ARGB<->AYUV colorspace conversion preserving the alpha channels");
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gst_element_class_set_static_metadata (gstelement_class, "Alpha color filter",
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"Filter/Converter/Video",
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"ARGB from/to AYUV colorspace conversion preserving the alpha channel",
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"Wim Taymans <wim.taymans@gmail.com>");
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gst_element_class_add_pad_template (gstelement_class,
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gst_static_pad_template_get (&sink_template));
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gst_element_class_add_pad_template (gstelement_class,
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gst_static_pad_template_get (&src_template));
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gstbasetransform_class->transform_caps =
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GST_DEBUG_FUNCPTR (gst_alpha_color_transform_caps);
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gstbasetransform_class->transform_ip_on_passthrough = FALSE;
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gstvideofilter_class->set_info = GST_DEBUG_FUNCPTR (gst_alpha_color_set_info);
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gstvideofilter_class->transform_frame_ip =
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GST_DEBUG_FUNCPTR (gst_alpha_color_transform_frame_ip);
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}
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static void
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gst_alpha_color_init (GstAlphaColor * alpha)
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{
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GstBaseTransform *btrans = GST_BASE_TRANSFORM (alpha);
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gst_base_transform_set_in_place (btrans, TRUE);
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}
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static GstCaps *
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gst_alpha_color_transform_caps (GstBaseTransform * btrans,
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GstPadDirection direction, GstCaps * caps, GstCaps * filter)
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{
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GstCaps *tmpl_caps = NULL;
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GstCaps *result = NULL, *local_caps = NULL;
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guint i;
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local_caps = gst_caps_new_empty ();
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for (i = 0; i < gst_caps_get_size (caps); i++) {
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GstStructure *structure =
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gst_structure_copy (gst_caps_get_structure (caps, i));
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/* Remove any specific parameter from the structure */
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gst_structure_remove_field (structure, "format");
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gst_structure_remove_field (structure, "colorimetry");
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gst_structure_remove_field (structure, "chroma-site");
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gst_structure_set_name (structure, "video/x-raw");
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gst_caps_append_structure (local_caps, structure);
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}
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/* Get the appropriate template */
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if (direction == GST_PAD_SINK) {
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tmpl_caps = gst_static_pad_template_get_caps (&src_template);
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} else if (direction == GST_PAD_SRC) {
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tmpl_caps = gst_static_pad_template_get_caps (&sink_template);
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}
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/* Intersect with our template caps */
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result = gst_caps_intersect (local_caps, tmpl_caps);
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gst_caps_unref (tmpl_caps);
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gst_caps_unref (local_caps);
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result = gst_caps_simplify (result);
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GST_LOG_OBJECT (btrans, "transformed %" GST_PTR_FORMAT " to %" GST_PTR_FORMAT,
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caps, result);
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if (filter) {
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GstCaps *intersection;
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GST_DEBUG_OBJECT (btrans, "Using filter caps %" GST_PTR_FORMAT, filter);
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intersection =
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gst_caps_intersect_full (filter, result, GST_CAPS_INTERSECT_FIRST);
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gst_caps_unref (result);
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result = intersection;
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GST_DEBUG_OBJECT (btrans, "Intersection %" GST_PTR_FORMAT, result);
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}
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return result;
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}
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/* Generated by -bad/ext/cog/generate_tables */
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static const int cog_ycbcr_to_rgb_matrix_8bit_hdtv[] = {
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298, 0, 459, -63514,
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298, -55, -136, 19681,
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298, 541, 0, -73988,
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};
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static const int cog_ycbcr_to_rgb_matrix_8bit_sdtv[] = {
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298, 0, 409, -57068,
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298, -100, -208, 34707,
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298, 516, 0, -70870,
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};
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static const gint cog_rgb_to_ycbcr_matrix_8bit_hdtv[] = {
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47, 157, 16, 4096,
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-26, -87, 112, 32768,
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112, -102, -10, 32768,
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};
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static const gint cog_rgb_to_ycbcr_matrix_8bit_sdtv[] = {
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66, 129, 25, 4096,
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-38, -74, 112, 32768,
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112, -94, -18, 32768,
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};
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static const gint cog_ycbcr_sdtv_to_ycbcr_hdtv_matrix_8bit[] = {
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256, -30, -53, 10600,
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0, 261, 29, -4367,
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0, 19, 262, -3289,
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};
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static const gint cog_ycbcr_hdtv_to_ycbcr_sdtv_matrix_8bit[] = {
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256, 25, 49, -9536,
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0, 253, -28, 3958,
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0, -19, 252, 2918,
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};
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#define DEFINE_ARGB_AYUV_FUNCTIONS(name, A, R, G, B) \
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static void \
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transform_##name##_ayuv (GstVideoFrame * frame, const gint *matrix) \
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{ \
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guint8 *data; \
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gsize size; \
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gint y, u, v; \
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gint yc[4]; \
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gint uc[4]; \
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gint vc[4]; \
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\
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data = GST_VIDEO_FRAME_PLANE_DATA (frame, 0);\
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size = GST_VIDEO_FRAME_SIZE (frame);\
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\
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memcpy (yc, matrix, 4 * sizeof (gint)); \
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memcpy (uc, matrix + 4, 4 * sizeof (gint)); \
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memcpy (vc, matrix + 8, 4 * sizeof (gint)); \
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\
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while (size > 0) { \
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y = (data[R] * yc[0] + data[G] * yc[1] + data[B] * yc[2] + yc[3]) >> 8; \
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u = (data[R] * uc[0] + data[G] * uc[1] + data[B] * uc[2] + uc[3]) >> 8; \
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v = (data[R] * vc[0] + data[G] * vc[1] + data[B] * vc[2] + vc[3]) >> 8; \
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\
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data[0] = data[A]; \
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data[1] = y; \
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data[2] = u; \
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data[3] = v; \
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\
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data += 4; \
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size -= 4; \
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} \
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} \
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\
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static void \
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transform_ayuv_##name (GstVideoFrame * frame, const gint *matrix) \
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{ \
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guint8 *data; \
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gsize size; \
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gint r, g, b; \
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gint rc[4]; \
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gint gc[4]; \
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gint bc[4]; \
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\
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data = GST_VIDEO_FRAME_PLANE_DATA (frame, 0);\
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size = GST_VIDEO_FRAME_SIZE (frame);\
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\
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memcpy (rc, matrix, 4 * sizeof (gint)); \
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memcpy (gc, matrix + 4, 4 * sizeof (gint)); \
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memcpy (bc, matrix + 8, 4 * sizeof (gint)); \
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\
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while (size > 0) { \
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r = (data[1] * rc[0] + data[2] * rc[1] + data[3] * rc[2] + rc[3]) >> 8; \
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g = (data[1] * gc[0] + data[2] * gc[1] + data[3] * gc[2] + gc[3]) >> 8; \
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b = (data[1] * bc[0] + data[2] * bc[1] + data[3] * bc[2] + bc[3]) >> 8; \
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\
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data[A] = data[0]; \
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data[R] = CLAMP (r, 0, 255); \
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data[G] = CLAMP (g, 0, 255); \
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data[B] = CLAMP (b, 0, 255); \
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\
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data += 4; \
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size -= 4; \
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} \
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}
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DEFINE_ARGB_AYUV_FUNCTIONS (rgba, 3, 0, 1, 2);
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DEFINE_ARGB_AYUV_FUNCTIONS (bgra, 3, 2, 1, 0);
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DEFINE_ARGB_AYUV_FUNCTIONS (argb, 0, 1, 2, 3);
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DEFINE_ARGB_AYUV_FUNCTIONS (abgr, 0, 3, 2, 1);
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static void
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transform_ayuv_ayuv (GstVideoFrame * frame, const gint * matrix)
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{
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guint8 *data;
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gsize size;
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gint y, u, v;
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gint yc[4];
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gint uc[4];
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gint vc[4];
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if (matrix == NULL)
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return;
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data = GST_VIDEO_FRAME_PLANE_DATA (frame, 0);
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size = GST_VIDEO_FRAME_SIZE (frame);
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memcpy (yc, matrix, 4 * sizeof (gint));
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memcpy (uc, matrix + 4, 4 * sizeof (gint));
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memcpy (vc, matrix + 8, 4 * sizeof (gint));
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while (size > 0) {
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y = (data[1] * yc[0] + data[2] * yc[1] + data[3] * yc[2] + yc[3]) >> 8;
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u = (data[1] * uc[0] + data[2] * uc[1] + data[3] * uc[2] + uc[3]) >> 8;
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v = (data[1] * vc[0] + data[2] * vc[1] + data[3] * vc[2] + vc[3]) >> 8;
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data[1] = y;
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data[2] = u;
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data[3] = v;
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data += 4;
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size -= 4;
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}
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}
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static void
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transform_argb_bgra (GstVideoFrame * frame, const gint * matrix)
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{
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guint8 *data;
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gsize size;
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gint r, g, b;
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data = GST_VIDEO_FRAME_PLANE_DATA (frame, 0);
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size = GST_VIDEO_FRAME_SIZE (frame);
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while (size > 0) {
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r = data[1];
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g = data[2];
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b = data[3];
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data[3] = data[0];
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data[0] = b;
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data[1] = g;
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data[2] = r;
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data += 4;
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size -= 4;
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}
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}
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#define transform_abgr_rgba transform_argb_bgra
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static void
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transform_argb_abgr (GstVideoFrame * frame, const gint * matrix)
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{
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guint8 *data;
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gsize size;
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gint r, g, b;
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data = GST_VIDEO_FRAME_PLANE_DATA (frame, 0);
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size = GST_VIDEO_FRAME_SIZE (frame);
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while (size > 0) {
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r = data[1];
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g = data[2];
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b = data[3];
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/* data[0] = data[0]; */
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data[1] = b;
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data[2] = g;
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data[3] = r;
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data += 4;
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size -= 4;
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}
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}
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#define transform_abgr_argb transform_argb_abgr
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static void
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transform_rgba_bgra (GstVideoFrame * frame, const gint * matrix)
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{
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guint8 *data;
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gsize size;
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gint r, g, b;
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data = GST_VIDEO_FRAME_PLANE_DATA (frame, 0);
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size = GST_VIDEO_FRAME_SIZE (frame);
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while (size > 0) {
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r = data[0];
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g = data[1];
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b = data[2];
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/* data[3] = data[3] */ ;
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data[0] = b;
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data[1] = g;
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data[2] = r;
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data += 4;
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size -= 4;
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}
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}
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#define transform_bgra_rgba transform_rgba_bgra
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static void
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transform_argb_rgba (GstVideoFrame * frame, const gint * matrix)
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{
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guint8 *data;
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gsize size;
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gint r, g, b;
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data = GST_VIDEO_FRAME_PLANE_DATA (frame, 0);
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size = GST_VIDEO_FRAME_SIZE (frame);
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while (size > 0) {
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r = data[1];
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g = data[2];
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b = data[3];
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data[3] = data[0];
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data[0] = r;
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data[1] = g;
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data[2] = b;
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data += 4;
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size -= 4;
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}
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}
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#define transform_abgr_bgra transform_argb_rgba
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static void
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transform_bgra_argb (GstVideoFrame * frame, const gint * matrix)
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{
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guint8 *data;
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gsize size;
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gint r, g, b;
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data = GST_VIDEO_FRAME_PLANE_DATA (frame, 0);
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size = GST_VIDEO_FRAME_SIZE (frame);
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while (size > 0) {
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r = data[2];
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g = data[1];
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b = data[0];
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data[0] = data[3];
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data[1] = r;
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data[2] = g;
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data[3] = b;
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data += 4;
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size -= 4;
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}
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}
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#define transform_rgba_abgr transform_bgra_argb
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static void
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transform_rgba_argb (GstVideoFrame * frame, const gint * matrix)
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{
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guint8 *data;
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gsize size;
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gint r, g, b;
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data = GST_VIDEO_FRAME_PLANE_DATA (frame, 0);
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size = GST_VIDEO_FRAME_SIZE (frame);
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while (size > 0) {
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r = data[0];
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g = data[1];
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b = data[2];
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data[0] = data[3];
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data[1] = r;
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data[2] = g;
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data[3] = b;
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data += 4;
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size -= 4;
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}
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}
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#define transform_bgra_abgr transform_rgba_argb
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static gboolean
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gst_alpha_color_set_info (GstVideoFilter * filter, GstCaps * incaps,
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GstVideoInfo * in_info, GstCaps * outcaps, GstVideoInfo * out_info)
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{
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GstAlphaColor *alpha = GST_ALPHA_COLOR (filter);
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gboolean in_sdtv, out_sdtv;
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alpha->process = NULL;
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alpha->matrix = NULL;
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if (GST_VIDEO_INFO_WIDTH (in_info) != GST_VIDEO_INFO_WIDTH (out_info) ||
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GST_VIDEO_INFO_HEIGHT (in_info) != GST_VIDEO_INFO_HEIGHT (out_info))
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goto invalid_caps;
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in_sdtv = in_info->colorimetry.matrix == GST_VIDEO_COLOR_MATRIX_BT601;
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out_sdtv = out_info->colorimetry.matrix == GST_VIDEO_COLOR_MATRIX_BT601;
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switch (GST_VIDEO_INFO_FORMAT (in_info)) {
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case GST_VIDEO_FORMAT_ARGB:
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switch (GST_VIDEO_INFO_FORMAT (out_info)) {
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case GST_VIDEO_FORMAT_ARGB:
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alpha->process = NULL;
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alpha->matrix = NULL;
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break;
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|
case GST_VIDEO_FORMAT_BGRA:
|
|
alpha->process = transform_argb_bgra;
|
|
alpha->matrix = NULL;
|
|
break;
|
|
case GST_VIDEO_FORMAT_ABGR:
|
|
alpha->process = transform_argb_abgr;
|
|
alpha->matrix = NULL;
|
|
break;
|
|
case GST_VIDEO_FORMAT_RGBA:
|
|
alpha->process = transform_argb_rgba;
|
|
alpha->matrix = NULL;
|
|
break;
|
|
case GST_VIDEO_FORMAT_AYUV:
|
|
alpha->process = transform_argb_ayuv;
|
|
alpha->matrix =
|
|
out_sdtv ? cog_rgb_to_ycbcr_matrix_8bit_sdtv :
|
|
cog_rgb_to_ycbcr_matrix_8bit_hdtv;
|
|
break;
|
|
default:
|
|
alpha->process = NULL;
|
|
alpha->matrix = NULL;
|
|
break;
|
|
}
|
|
break;
|
|
case GST_VIDEO_FORMAT_BGRA:
|
|
switch (GST_VIDEO_INFO_FORMAT (out_info)) {
|
|
case GST_VIDEO_FORMAT_BGRA:
|
|
alpha->process = NULL;
|
|
alpha->matrix = NULL;
|
|
break;
|
|
case GST_VIDEO_FORMAT_ARGB:
|
|
alpha->process = transform_bgra_argb;
|
|
alpha->matrix = NULL;
|
|
break;
|
|
case GST_VIDEO_FORMAT_ABGR:
|
|
alpha->process = transform_bgra_abgr;
|
|
alpha->matrix = NULL;
|
|
break;
|
|
case GST_VIDEO_FORMAT_RGBA:
|
|
alpha->process = transform_bgra_rgba;
|
|
alpha->matrix = NULL;
|
|
break;
|
|
case GST_VIDEO_FORMAT_AYUV:
|
|
alpha->process = transform_bgra_ayuv;
|
|
alpha->matrix =
|
|
out_sdtv ? cog_rgb_to_ycbcr_matrix_8bit_sdtv :
|
|
cog_rgb_to_ycbcr_matrix_8bit_hdtv;
|
|
break;
|
|
default:
|
|
alpha->process = NULL;
|
|
alpha->matrix = NULL;
|
|
break;
|
|
}
|
|
break;
|
|
case GST_VIDEO_FORMAT_ABGR:
|
|
switch (GST_VIDEO_INFO_FORMAT (out_info)) {
|
|
case GST_VIDEO_FORMAT_ABGR:
|
|
alpha->process = NULL;
|
|
alpha->matrix = NULL;
|
|
break;
|
|
case GST_VIDEO_FORMAT_RGBA:
|
|
alpha->process = transform_abgr_rgba;
|
|
alpha->matrix = NULL;
|
|
break;
|
|
case GST_VIDEO_FORMAT_ARGB:
|
|
alpha->process = transform_abgr_argb;
|
|
alpha->matrix = NULL;
|
|
break;
|
|
case GST_VIDEO_FORMAT_BGRA:
|
|
alpha->process = transform_abgr_bgra;
|
|
alpha->matrix = NULL;
|
|
break;
|
|
case GST_VIDEO_FORMAT_AYUV:
|
|
alpha->process = transform_abgr_ayuv;
|
|
alpha->matrix =
|
|
out_sdtv ? cog_rgb_to_ycbcr_matrix_8bit_sdtv :
|
|
cog_rgb_to_ycbcr_matrix_8bit_hdtv;
|
|
break;
|
|
default:
|
|
alpha->process = NULL;
|
|
alpha->matrix = NULL;
|
|
break;
|
|
}
|
|
break;
|
|
case GST_VIDEO_FORMAT_RGBA:
|
|
switch (GST_VIDEO_INFO_FORMAT (out_info)) {
|
|
case GST_VIDEO_FORMAT_RGBA:
|
|
alpha->process = NULL;
|
|
alpha->matrix = NULL;
|
|
break;
|
|
case GST_VIDEO_FORMAT_ARGB:
|
|
alpha->process = transform_rgba_argb;
|
|
alpha->matrix = NULL;
|
|
break;
|
|
case GST_VIDEO_FORMAT_ABGR:
|
|
alpha->process = transform_rgba_abgr;
|
|
alpha->matrix = NULL;
|
|
break;
|
|
case GST_VIDEO_FORMAT_BGRA:
|
|
alpha->process = transform_rgba_bgra;
|
|
alpha->matrix = NULL;
|
|
break;
|
|
case GST_VIDEO_FORMAT_AYUV:
|
|
alpha->process = transform_rgba_ayuv;
|
|
alpha->matrix =
|
|
out_sdtv ? cog_rgb_to_ycbcr_matrix_8bit_sdtv :
|
|
cog_rgb_to_ycbcr_matrix_8bit_hdtv;
|
|
break;
|
|
default:
|
|
alpha->process = NULL;
|
|
alpha->matrix = NULL;
|
|
break;
|
|
}
|
|
break;
|
|
case GST_VIDEO_FORMAT_AYUV:
|
|
switch (GST_VIDEO_INFO_FORMAT (out_info)) {
|
|
case GST_VIDEO_FORMAT_AYUV:
|
|
if (in_sdtv == out_sdtv) {
|
|
alpha->process = transform_ayuv_ayuv;
|
|
alpha->matrix = NULL;
|
|
} else {
|
|
alpha->process = transform_ayuv_ayuv;
|
|
alpha->matrix =
|
|
out_sdtv ? cog_ycbcr_hdtv_to_ycbcr_sdtv_matrix_8bit :
|
|
cog_ycbcr_sdtv_to_ycbcr_hdtv_matrix_8bit;
|
|
}
|
|
break;
|
|
case GST_VIDEO_FORMAT_ARGB:
|
|
alpha->process = transform_ayuv_argb;
|
|
alpha->matrix =
|
|
in_sdtv ? cog_ycbcr_to_rgb_matrix_8bit_sdtv :
|
|
cog_ycbcr_to_rgb_matrix_8bit_hdtv;
|
|
break;
|
|
case GST_VIDEO_FORMAT_BGRA:
|
|
alpha->process = transform_ayuv_bgra;
|
|
alpha->matrix =
|
|
in_sdtv ? cog_ycbcr_to_rgb_matrix_8bit_sdtv :
|
|
cog_ycbcr_to_rgb_matrix_8bit_hdtv;
|
|
break;
|
|
case GST_VIDEO_FORMAT_ABGR:
|
|
alpha->process = transform_ayuv_abgr;
|
|
alpha->matrix =
|
|
in_sdtv ? cog_ycbcr_to_rgb_matrix_8bit_sdtv :
|
|
cog_ycbcr_to_rgb_matrix_8bit_hdtv;
|
|
break;
|
|
case GST_VIDEO_FORMAT_RGBA:
|
|
alpha->process = transform_ayuv_rgba;
|
|
alpha->matrix =
|
|
in_sdtv ? cog_ycbcr_to_rgb_matrix_8bit_sdtv :
|
|
cog_ycbcr_to_rgb_matrix_8bit_hdtv;
|
|
break;
|
|
default:
|
|
alpha->process = NULL;
|
|
alpha->matrix = NULL;
|
|
break;
|
|
}
|
|
break;
|
|
default:
|
|
alpha->process = NULL;
|
|
alpha->matrix = NULL;
|
|
break;
|
|
}
|
|
|
|
if (GST_VIDEO_INFO_FORMAT (in_info) == GST_VIDEO_INFO_FORMAT (out_info)
|
|
&& in_sdtv == out_sdtv)
|
|
gst_base_transform_set_passthrough (GST_BASE_TRANSFORM (filter), TRUE);
|
|
else if (!alpha->process)
|
|
goto no_process;
|
|
|
|
return TRUE;
|
|
|
|
/* ERRORS */
|
|
invalid_caps:
|
|
{
|
|
GST_DEBUG_OBJECT (alpha, "incomplete or invalid caps");
|
|
return FALSE;
|
|
}
|
|
no_process:
|
|
{
|
|
GST_DEBUG_OBJECT (alpha, "could not find process function");
|
|
return FALSE;
|
|
}
|
|
}
|
|
|
|
static GstFlowReturn
|
|
gst_alpha_color_transform_frame_ip (GstVideoFilter * filter,
|
|
GstVideoFrame * frame)
|
|
{
|
|
GstAlphaColor *alpha = GST_ALPHA_COLOR (filter);
|
|
|
|
if (G_UNLIKELY (!alpha->process))
|
|
goto not_negotiated;
|
|
|
|
/* Transform in place */
|
|
alpha->process (frame, alpha->matrix);
|
|
|
|
return GST_FLOW_OK;
|
|
|
|
/* ERRORS */
|
|
not_negotiated:
|
|
{
|
|
GST_ERROR_OBJECT (alpha, "Not negotiated yet");
|
|
return GST_FLOW_NOT_NEGOTIATED;
|
|
}
|
|
}
|
|
|
|
static gboolean
|
|
plugin_init (GstPlugin * plugin)
|
|
{
|
|
return gst_element_register (plugin, "alphacolor", GST_RANK_NONE,
|
|
GST_TYPE_ALPHA_COLOR);
|
|
}
|
|
|
|
GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
|
|
GST_VERSION_MINOR,
|
|
alphacolor,
|
|
"RGBA from/to AYUV colorspace conversion preserving the alpha channel",
|
|
plugin_init, VERSION, GST_LICENSE, GST_PACKAGE_NAME, GST_PACKAGE_ORIGIN)
|