summaryrefslogtreecommitdiffstats
path: root/ext
diff options
context:
space:
mode:
Diffstat (limited to 'ext')
-rw-r--r--ext/hermes/Makefile.am17
-rw-r--r--ext/hermes/gstcolorspace.c501
-rw-r--r--ext/hermes/gstcolorspace.h95
-rw-r--r--ext/hermes/yuv2rgb.c823
-rw-r--r--ext/hermes/yuv2rgb.h68
-rw-r--r--ext/hermes/yuv2rgb_mmx16.s188
-rw-r--r--ext/hermes/yuv2yuv.c55
7 files changed, 1747 insertions, 0 deletions
diff --git a/ext/hermes/Makefile.am b/ext/hermes/Makefile.am
new file mode 100644
index 00000000..b7447e5e
--- /dev/null
+++ b/ext/hermes/Makefile.am
@@ -0,0 +1,17 @@
+plugindir = $(libdir)/gst
+
+plugin_LTLIBRARIES = libgstcolorspace.la
+
+if HAVE_CPU_I386
+ARCHSRCS = yuv2rgb_mmx16.s
+else
+ARCHSRCS =
+endif
+
+libcolorspace_la_SOURCES = gstcolorspace.c yuv2yuv.c yuv2rgb.c $(ARCHSRCS)
+libcolorspace_la_CFLAGS = $(GST_CFLAGS)
+if HAVE_LIBHERMES
+libcolorspace_la_LIBADD = $(HERMES_LIBS)
+endif
+
+noinst_HEADERS = gstcolorspace.h yuv2rgb.h
diff --git a/ext/hermes/gstcolorspace.c b/ext/hermes/gstcolorspace.c
new file mode 100644
index 00000000..eebe19b6
--- /dev/null
+++ b/ext/hermes/gstcolorspace.c
@@ -0,0 +1,501 @@
+/* Gnome-Streamer
+ * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#include <gst/gst.h>
+
+#include "gstcolorspace.h"
+#include "yuv2rgb.h"
+
+
+static GstElementDetails colorspace_details = {
+ "Colorspace converter",
+ "Filter/Effect",
+ "Converts video from one colorspace to another",
+ VERSION,
+ "Wim Taymans <wim.taymans@chello.be>",
+ "(C) 2001",
+};
+
+
+/* Stereo signals and args */
+enum {
+ /* FILL ME */
+ LAST_SIGNAL
+};
+
+enum {
+ ARG_0,
+ ARG_SOURCE,
+ ARG_DEST,
+};
+
+GST_PADTEMPLATE_FACTORY (colorspace_src_template_factory,
+ "src",
+ GST_PAD_SRC,
+ GST_PAD_ALWAYS,
+ GST_CAPS_NEW (
+ "colorspace_src",
+ "video/raw",
+ NULL
+ )
+)
+
+GST_PADTEMPLATE_FACTORY (colorspace_sink_template_factory,
+ "sink",
+ GST_PAD_SINK,
+ GST_PAD_ALWAYS,
+ GST_CAPS_NEW (
+ "colorspace_sink",
+ "video/raw",
+ NULL
+ )
+)
+
+static void gst_colorspace_class_init (GstColorspaceClass *klass);
+static void gst_colorspace_init (GstColorspace *space);
+
+static void gst_colorspace_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec);
+static void gst_colorspace_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec);
+
+static void gst_colorspace_chain (GstPad *pad, GstBuffer *buf);
+
+// FIXME
+extern void gst_colorspace_yuy2_to_i420(unsigned char *src, unsigned char *dest, guint width, guint height);
+
+static GstElementClass *parent_class = NULL;
+//static guint gst_colorspace_signals[LAST_SIGNAL] = { 0 };
+
+static GstBufferPool*
+colorspace_get_bufferpool (GstPad *pad)
+{
+ GstColorspace *space;
+
+ space = GST_COLORSPACE (gst_pad_get_parent (pad));
+
+ if (space->type == GST_COLORSPACE_NONE)
+ return gst_pad_get_bufferpool (space->srcpad);
+ else
+ return NULL;
+}
+
+static gboolean
+colorspace_setup_converter (GstColorspace *space)
+{
+ gulong from_space, to_space;
+ GstCaps *from_caps, *to_caps;
+
+ from_caps = space->sinkcaps;
+ to_caps = space->srccaps;
+
+ g_return_val_if_fail (to_caps != NULL, FALSE);
+ g_return_val_if_fail (from_caps != NULL, FALSE);
+
+ from_space = gst_caps_get_fourcc_int (from_caps, "format");
+ to_space = gst_caps_get_fourcc_int (to_caps, "format");
+
+ g_warning ("set up converter for %08lx to %08lx\n", from_space, to_space);
+
+ switch (from_space) {
+ case GST_MAKE_FOURCC ('R','G','B',' '):
+ switch (to_space) {
+#ifdef HAVE_LIBHERMES
+ case GST_MAKE_FOURCC ('R','G','B',' '):
+ {
+ space->source.r = gst_caps_get_int (from_caps, "red_mask");
+ space->source.g = gst_caps_get_int (from_caps, "green_mask");
+ space->source.b = gst_caps_get_int (from_caps, "blue_mask");
+ space->source.a = 0;
+ space->srcbpp = space->source.bits = gst_caps_get_int (from_caps, "bpp");
+ space->source.indexed = 0;
+ space->source.has_colorkey = 0;
+
+ GST_INFO (0,"source red mask %08x\n", space->source.r);
+ GST_INFO (0, "source green mask %08x\n", space->source.g);
+ GST_INFO (0, "source blue mask %08x\n", space->source.b);
+ GST_INFO (0, "source bpp %08x\n", space->srcbpp);
+
+ space->dest.r = gst_caps_get_int (to_caps, "red_mask");
+ space->dest.g = gst_caps_get_int (to_caps, "green_mask");
+ space->dest.b = gst_caps_get_int (to_caps, "blue_mask");
+ space->dest.a = 0;
+ space->destbpp = space->dest.bits = gst_caps_get_int (to_caps, "bpp");
+ space->dest.indexed = 0;
+ space->dest.has_colorkey = 0;
+
+ GST_INFO (0, "dest red mask %08x\n", space->dest.r);
+ GST_INFO (0, "dest green mask %08x\n", space->dest.g);
+ GST_INFO (0, "dest blue mask %08x\n", space->dest.b);
+ GST_INFO (0, "dest bpp %08x\n", space->destbpp);
+
+ if (!Hermes_ConverterRequest (space->h_handle, &space->source, &space->dest)) {
+ g_warning ("could not get converter\n");
+ return FALSE;
+ }
+ GST_INFO (0, "converter set up\n");
+ space->type = GST_COLORSPACE_HERMES;
+ break;
+ }
+#endif
+ case GST_MAKE_FOURCC ('Y','U','Y','2'):
+ case GST_MAKE_FOURCC ('I','4','2','0'):
+ g_error ("colorspace: RGB to YUV implement me");
+ break;
+ }
+ break;
+ case GST_MAKE_FOURCC ('Y','U','Y','2'):
+ case GST_MAKE_FOURCC ('I','4','2','0'):
+ switch (to_space) {
+ case GST_MAKE_FOURCC ('R','G','B',' '):
+ g_warning ("colorspace: YUV to RGB");
+
+ space->destbpp = gst_caps_get_int (to_caps, "bpp");
+ space->converter = gst_colorspace_yuv2rgb_get_converter (from_caps, to_caps);
+ space->type = GST_COLORSPACE_YUV_RGB;
+ break;
+ case GST_MAKE_FOURCC ('I','4','2','0'):
+ space->type = GST_COLORSPACE_YUY2_I420;
+ space->destbpp = 12;
+ break;
+ }
+ break;
+ }
+ return TRUE;
+}
+
+static GstPadNegotiateReturn
+colorspace_negotiate_src (GstPad *pad, GstCaps **caps, gpointer *data)
+{
+ GstColorspace* space = GST_COLORSPACE (gst_object_get_parent (GST_OBJECT (pad)));
+ GstCaps *original;
+ gint src_width, src_height;
+
+ GST_DEBUG (GST_CAT_NEGOTIATION, "colorspace: src negotiate\n");
+
+ g_return_val_if_fail (space->sinkcaps != NULL, GST_PAD_NEGOTIATE_FAIL);
+
+ src_width = gst_caps_get_int (space->sinkcaps, "width");
+ src_height = gst_caps_get_int (space->sinkcaps, "height");
+
+ space->width = src_width;
+ space->height = src_height;
+
+ if (*caps==NULL) {
+ *caps = gst_caps_new ("colorspace_caps",
+ "video/raw",
+ gst_props_new (
+ "format", GST_PROPS_FOURCC (GST_STR_FOURCC ("I420")),
+ "width", GST_PROPS_INT (src_width),
+ "height", GST_PROPS_INT (src_height),
+ NULL));
+ space->srccaps = gst_caps_ref (*caps);
+ return GST_PAD_NEGOTIATE_TRY;
+ //return gst_pad_negotiate_proxy (pad, space->sinkpad, caps);
+ }
+
+
+ original = gst_caps_copy (*caps);
+ //g_print ("%d %d\n", src_width, src_height);
+
+ // peers couldn't agree, we need to help
+ switch (gst_caps_get_fourcc_int (original, "format")) {
+ case GST_MAKE_FOURCC ('R','G','B',' '):
+ gst_caps_ref (*caps);
+ if (gst_caps_get_int (*caps, "width") == src_width &&
+ gst_caps_get_int (*caps, "height") == src_height)
+ {
+ space->srccaps = *caps;
+ if (colorspace_setup_converter (space)) {
+ return GST_PAD_NEGOTIATE_AGREE;
+ }
+ }
+ else {
+ gst_caps_set (*caps, "width", GST_PROPS_INT (src_width));
+ gst_caps_set (*caps, "height", GST_PROPS_INT (src_height));
+
+ space->srccaps = *caps;
+ // FIXME
+ GST_PAD_CAPS (space->srcpad) = gst_caps_ref (*caps);
+
+ return GST_PAD_NEGOTIATE_TRY;
+ }
+ break;
+ case GST_MAKE_FOURCC ('Y','U','Y','2'):
+ case GST_MAKE_FOURCC ('I','4','2','0'):
+ //space->srccaps = original;
+ //fprintf (stderr, "found something suitable\n");
+ return GST_PAD_NEGOTIATE_AGREE;
+ default:
+ *caps = NULL;
+ return GST_PAD_NEGOTIATE_TRY;
+ break;
+ }
+ return GST_PAD_NEGOTIATE_FAIL;
+}
+
+static GstPadNegotiateReturn
+colorspace_negotiate_sink (GstPad *pad, GstCaps **caps, gpointer *data)
+{
+ GstColorspace* space = GST_COLORSPACE (gst_object_get_parent (GST_OBJECT (pad)));
+ GstCaps *original;
+
+ GST_DEBUG (GST_CAT_NEGOTIATION, "colorspace: sink negotiate\n");
+
+ if (*caps==NULL)
+ return gst_pad_negotiate_proxy (pad, space->srcpad, caps);
+ //return GST_PAD_NEGOTIATE_FAIL;
+
+
+ space->type = GST_COLORSPACE_NONE;
+
+ original = gst_caps_copy (*caps);
+
+ // see if a common format exists between both peers...
+ switch (gst_pad_negotiate_proxy (pad, space->srcpad, caps)) {
+ case GST_PAD_NEGOTIATE_AGREE:
+ //g_print ("colorspace: common format found\n");
+ return GST_PAD_NEGOTIATE_AGREE;
+ default:
+ break;
+ }
+ g_warning ("colorspace: no common format found\n");
+ g_warning ("colorspace: src: %08lx\n", gst_caps_get_fourcc_int (original, "format"));
+
+ // peers couldn't agree, we need to help
+ space->sinkcaps = original;
+
+ /*
+ space->width = gst_caps_get_int (original, "width");
+ space->height = gst_caps_get_int (original, "height");
+
+ space->srccaps = gst_caps_new (
+ "testcaps",
+ "video/raw",
+ gst_props_new (
+ "format", GST_PROPS_FOURCC (GST_STR_FOURCC ("I420")),
+ "width", GST_PROPS_INT (gst_caps_get_int (original, "width")),
+ "height", GST_PROPS_INT (gst_caps_get_int (original, "height")),
+ NULL
+ ));
+
+ GST_PAD_CAPS (space->srcpad) = space->srccaps;
+ */
+
+ if (gst_pad_renegotiate (space->srcpad)) {
+ g_warning ("found something suitable\n");
+ if (colorspace_setup_converter (space)) {
+ return GST_PAD_NEGOTIATE_AGREE;
+ }
+ }
+
+ return GST_PAD_NEGOTIATE_FAIL;
+}
+
+GType
+gst_colorspace_get_type (void)
+{
+ static GType colorspace_type = 0;
+
+ if (!colorspace_type) {
+ static const GTypeInfo colorspace_info = {
+ sizeof(GstColorspaceClass), NULL,
+ NULL,
+ (GClassInitFunc)gst_colorspace_class_init,
+ NULL,
+ NULL,
+ sizeof(GstColorspace),
+ 0,
+ (GInstanceInitFunc)gst_colorspace_init,
+ };
+ colorspace_type = g_type_register_static(GST_TYPE_ELEMENT, "GstColorspace", &colorspace_info, 0);
+ }
+ return colorspace_type;
+}
+
+static void
+gst_colorspace_class_init (GstColorspaceClass *klass)
+{
+ GObjectClass *gobject_class;
+ GstElementClass *gstelement_class;
+
+ gobject_class = (GObjectClass*)klass;
+ gstelement_class = (GstElementClass*)klass;
+
+ parent_class = g_type_class_ref(GST_TYPE_ELEMENT);
+
+ gobject_class->set_property = gst_colorspace_set_property;
+ gobject_class->get_property = gst_colorspace_get_property;
+}
+
+static void
+gst_colorspace_init (GstColorspace *space)
+{
+ space->sinkpad = gst_pad_new_from_template (
+ GST_PADTEMPLATE_GET (colorspace_sink_template_factory), "sink");
+ gst_pad_set_negotiate_function (space->sinkpad, colorspace_negotiate_sink);
+ gst_pad_set_bufferpool_function (space->sinkpad, colorspace_get_bufferpool);
+ gst_pad_set_chain_function(space->sinkpad,gst_colorspace_chain);
+ gst_element_add_pad(GST_ELEMENT(space),space->sinkpad);
+
+ space->srcpad = gst_pad_new_from_template (
+ GST_PADTEMPLATE_GET (colorspace_src_template_factory), "src");
+ gst_pad_set_negotiate_function (space->srcpad, colorspace_negotiate_src);
+ gst_element_add_pad(GST_ELEMENT(space),space->srcpad);
+
+#ifdef HAVE_LIBHERMES
+ space->h_handle = Hermes_ConverterInstance (0);
+#endif
+ space->pool = NULL;
+ space->converter = NULL;
+}
+
+static void
+gst_colorspace_chain (GstPad *pad,GstBuffer *buf)
+{
+ GstColorspace *space;
+ gint size;
+ GstBuffer *outbuf = NULL;
+
+ g_return_if_fail (pad != NULL);
+ g_return_if_fail (GST_IS_PAD (pad));
+ g_return_if_fail (buf != NULL);
+
+ space = GST_COLORSPACE (gst_pad_get_parent (pad));
+
+ g_return_if_fail (space != NULL);
+ g_return_if_fail (GST_IS_COLORSPACE (space));
+
+ if (space->type == GST_COLORSPACE_NONE) {
+ outbuf = buf;
+ }
+ else {
+ gint dest_bytes, src_bytes;
+
+ if (!space->pool) {
+ space->pool = gst_pad_get_bufferpool (space->srcpad);
+ }
+
+ size = space->width * space->height;
+ dest_bytes = ((space->destbpp+7)/8);
+ src_bytes = ((space->srcbpp+7)/8);
+
+ if (space->pool) {
+ outbuf = gst_buffer_new_from_pool (space->pool, 0, 0);
+ }
+
+ if (!outbuf) {
+ outbuf = gst_buffer_new ();
+
+ GST_BUFFER_SIZE (outbuf) = (size * space->destbpp)/8;
+ GST_BUFFER_DATA (outbuf) = g_malloc (GST_BUFFER_SIZE (outbuf));
+ }
+
+ if (space->type == GST_COLORSPACE_YUV_RGB) {
+ gst_colorspace_convert (space->converter, GST_BUFFER_DATA (buf), GST_BUFFER_DATA (outbuf));
+ }
+#ifdef HAVE_LIBHERMES
+ else if (space->type == GST_COLORSPACE_HERMES) {
+ Hermes_ConverterCopy (space->h_handle,
+ GST_BUFFER_DATA (buf), 0, 0, space->width, space->height, space->width * src_bytes,
+ GST_BUFFER_DATA (outbuf), 0, 0, space->width, space->height, space->width * dest_bytes);
+ }
+#endif
+ else if (space->type == GST_COLORSPACE_YUY2_I420) {
+ gst_colorspace_yuy2_to_i420 (GST_BUFFER_DATA (buf),
+ GST_BUFFER_DATA (outbuf),
+ space->width,
+ space->height);
+ }
+
+ GST_BUFFER_TIMESTAMP (outbuf) = GST_BUFFER_TIMESTAMP (buf);
+
+ gst_buffer_unref (buf);
+ }
+ gst_pad_push (space->srcpad, outbuf);
+}
+
+static void
+gst_colorspace_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec)
+{
+ GstColorspace *space;
+
+ /* it's not null if we got it, but it might not be ours */
+ g_return_if_fail(GST_IS_COLORSPACE(object));
+ space = GST_COLORSPACE(object);
+
+ switch (prop_id) {
+ default:
+ break;
+ }
+}
+
+static void
+gst_colorspace_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec)
+{
+ GstColorspace *space;
+
+ /* it's not null if we got it, but it might not be ours */
+ g_return_if_fail(GST_IS_COLORSPACE(object));
+ space = GST_COLORSPACE(object);
+
+ switch (prop_id) {
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static gboolean
+plugin_init (GModule *module, GstPlugin *plugin)
+{
+ GstElementFactory *factory;
+#ifdef HAVE_LIBHERMES
+ gint hermes_res;
+
+ hermes_res = Hermes_Init();
+ g_return_val_if_fail (hermes_res != 0, FALSE);
+#endif
+
+ factory = gst_elementfactory_new ("colorspace", GST_TYPE_COLORSPACE,
+ &colorspace_details);
+ g_return_val_if_fail (factory != NULL, FALSE);
+
+ gst_elementfactory_add_padtemplate (factory,
+ GST_PADTEMPLATE_GET (colorspace_src_template_factory));
+ gst_elementfactory_add_padtemplate (factory,
+ GST_PADTEMPLATE_GET (colorspace_sink_template_factory));
+
+ gst_plugin_add_feature (plugin, GST_PLUGIN_FEATURE (factory));
+
+ return TRUE;
+}
+
+GstPluginDesc plugin_desc = {
+ GST_VERSION_MAJOR,
+ GST_VERSION_MINOR,
+ "colorspace",
+ plugin_init
+};
+
+
+
+
+
+
+
+
diff --git a/ext/hermes/gstcolorspace.h b/ext/hermes/gstcolorspace.h
new file mode 100644
index 00000000..8d780b41
--- /dev/null
+++ b/ext/hermes/gstcolorspace.h
@@ -0,0 +1,95 @@
+/* Gnome-Streamer
+ * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+
+#ifndef __GST_COLORSPACE_H__
+#define __GST_COLORSPACE_H__
+
+
+#include <config.h>
+#include <gst/gst.h>
+#include "yuv2rgb.h"
+
+#ifdef HAVE_LIBHERMES
+# include <Hermes/Hermes.h>
+#endif
+
+// #include <gst/meta/audioraw.h>
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+
+#define GST_TYPE_COLORSPACE \
+ (gst_colorspace_get_type())
+#define GST_COLORSPACE(obj) \
+ (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_COLORSPACE,GstColorspace))
+#define GST_COLORSPACE_CLASS(klass) \
+ (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_ULAW,GstColorspace))
+#define GST_IS_COLORSPACE(obj) \
+ (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_COLORSPACE))
+#define GST_IS_COLORSPACE_CLASS(obj) \
+ (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_COLORSPACE))
+
+typedef struct _GstColorspace GstColorspace;
+typedef struct _GstColorspaceClass GstColorspaceClass;
+
+typedef enum {
+ GST_COLORSPACE_NONE,
+ GST_COLORSPACE_HERMES,
+ GST_COLORSPACE_YUV_RGB,
+ GST_COLORSPACE_YUY2_I420,
+} GstColorSpaceConverterType;
+
+struct _GstColorspace {
+ GstElement element;
+
+ GstPad *sinkpad,*srcpad;
+
+#ifdef HAVE_LIBHERMES
+ HermesHandle h_handle;
+ HermesFormat source, dest;
+#endif
+
+ GstColorSpaceConverter *converter;
+
+ GstColorSpaceConverterType type;
+ gint width, height;
+ gint srcbpp, destbpp;
+
+ GstCaps *srccaps;
+ GstCaps *sinkcaps;
+
+ GstBufferPool *pool;
+};
+
+struct _GstColorspaceClass {
+ GstElementClass parent_class;
+};
+
+GType gst_colorspace_get_type(void);
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+
+#endif /* __GST_COLORSPACE_H */
diff --git a/ext/hermes/yuv2rgb.c b/ext/hermes/yuv2rgb.c
new file mode 100644
index 00000000..0b5a9b4c
--- /dev/null
+++ b/ext/hermes/yuv2rgb.c
@@ -0,0 +1,823 @@
+/* Gnome-Streamer
+ * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#include "config.h"
+
+#include <math.h>
+#include <stdlib.h>
+
+#include "yuv2rgb.h"
+
+//#undef HAVE_LIBMMX
+
+#ifdef HAVE_LIBMMX
+#include "mmx.h"
+#endif
+
+#define CB_BASE 1
+#define CR_BASE (CB_BASE*CB_RANGE)
+#define LUM_BASE (CR_BASE*CR_RANGE)
+
+#define Min(x,y) (((x) < (y)) ? (x) : (y))
+#define Max(x,y) (((x) > (y)) ? (x) : (y))
+
+#define GAMMA_CORRECTION(x) ((int)(pow((x) / 255.0, 1.0 / gammaCorrect) * 255.0))
+#define CHROMA_CORRECTION256(x) ((x) >= 128 \
+ ? 128 + Min(127, (int)(((x) - 128.0) * chromaCorrect)) \
+ : 128 - Min(128, (int)((128.0 - (x)) * chromaCorrect)))
+#define CHROMA_CORRECTION128(x) ((x) >= 0 \
+ ? Min(127, (int)(((x) * chromaCorrect))) \
+ : Max(-128, (int)(((x) * chromaCorrect))))
+#define CHROMA_CORRECTION256D(x) ((x) >= 128 \
+ ? 128.0 + Min(127.0, (((x) - 128.0) * chromaCorrect)) \
+ : 128.0 - Min(128.0, (((128.0 - (x)) * chromaCorrect))))
+#define CHROMA_CORRECTION128D(x) ((x) >= 0 \
+ ? Min(127.0, ((x) * chromaCorrect)) \
+ : Max(-128.0, ((x) * chromaCorrect)))
+
+
+static void gst_colorspace_yuv420P_to_rgb16 (GstColorSpaceConverter *space, unsigned char *src, unsigned char *dest);
+static void gst_colorspace_yuv420P_to_rgb24 (GstColorSpaceConverter *space, unsigned char *src, unsigned char *dest);
+static void gst_colorspace_yuv420P_to_rgb32 (GstColorSpaceConverter *space, unsigned char *src, unsigned char *dest);
+
+#ifdef HAVE_LIBMMX
+static void gst_colorspace_yuv420P_to_bgr16_mmx (GstColorSpaceConverter *space, unsigned char *src, unsigned char *dest);
+static void gst_colorspace_yuv420P_to_bgr32_mmx (GstColorSpaceConverter *space, unsigned char *src, unsigned char *dest);
+#endif
+
+static void gst_colorspace_yuv_to_rgb16(GstColorSpaceYUVTables *tables,
+ unsigned char *lum,
+ unsigned char *cr,
+ unsigned char *cb,
+ unsigned char *out,
+ int cols, int rows);
+static void gst_colorspace_yuv_to_rgb24(GstColorSpaceYUVTables *tables,
+ unsigned char *lum,
+ unsigned char *cr,
+ unsigned char *cb,
+ unsigned char *out,
+ int cols, int rows);
+static void gst_colorspace_yuv_to_rgb32(GstColorSpaceYUVTables *tables,
+ unsigned char *lum,
+ unsigned char *cr,
+ unsigned char *cb,
+ unsigned char *out,
+ int cols, int rows);
+#ifdef HAVE_LIBMMX
+static void gst_colorspace_yuv_to_bgr32_mmx(GstColorSpaceYUVTables *tables,
+ unsigned char *lum,
+ unsigned char *cr,
+ unsigned char *cb,
+ unsigned char *out,
+ int cols, int rows);
+extern void gst_colorspace_yuv_to_bgr16_mmx(GstColorSpaceYUVTables *tables,
+ unsigned char *lum,
+ unsigned char *cr,
+ unsigned char *cb,
+ unsigned char *out,
+ int cols, int rows);
+#endif
+
+static GstColorSpaceYUVTables * gst_colorspace_init_yuv(long depth,
+ long red_mask, long green_mask, long blue_mask);
+
+GstColorSpaceConverter*
+gst_colorspace_yuv2rgb_get_converter (GstCaps *from, GstCaps *to)
+{
+ gulong from_space, to_space;
+ GstColorSpaceConverter *new;
+ gint to_bpp;
+
+ GST_DEBUG (0,"gst_colorspace_yuv2rgb_get_converter\n");
+
+ new = g_malloc (sizeof (GstColorSpaceConverter));
+
+ new->width = gst_caps_get_int (from, "width");
+ new->height = gst_caps_get_int (from, "height");
+ new->color_tables = NULL;
+
+ from_space = gst_caps_get_fourcc_int (from, "format");
+ to_space = gst_caps_get_fourcc_int (to, "format");
+ to_bpp = gst_caps_get_int (to, "bpp");
+
+ // FIXME we leak new here.
+ g_return_val_if_fail (to_space == GST_STR_FOURCC ("RGB "), NULL);
+
+ switch(from_space) {
+ case GST_MAKE_FOURCC ('I','4','2','0'):
+ {
+ gulong red_mask;
+ gulong green_mask;
+ gulong blue_mask;
+
+ red_mask = gst_caps_get_int (to, "red_mask");
+ green_mask = gst_caps_get_int (to, "green_mask");
+ blue_mask = gst_caps_get_int (to, "blue_mask");
+
+ GST_INFO (GST_CAT_PLUGIN_INFO, "red_mask %08lx", red_mask);
+ GST_INFO (GST_CAT_PLUGIN_INFO, "green_mask %08lx", green_mask);
+ GST_INFO (GST_CAT_PLUGIN_INFO, "blue_mask %08lx", blue_mask);
+
+ new->insize = new->width * new->height + new->width * new->height/2;
+ new->color_tables = gst_colorspace_init_yuv (to_bpp, red_mask, green_mask, blue_mask);
+ new->outsize = new->width * new->height * (to_bpp/8);
+
+ switch(to_bpp) {
+ case 32:
+#ifdef HAVE_LIBMMX
+ if (red_mask == 0xff0000 && green_mask == 0x00ff00 && red_mask == 0x0000ff &&
+ (gst_cpu_get_flags () & GST_CPU_FLAG_MMX) ) {
+ new->convert = gst_colorspace_yuv420P_to_bgr32_mmx;
+ }
+ else
+#endif
+ new->convert = gst_colorspace_yuv420P_to_rgb32;
+ break;
+ case 24:
+ new->convert = gst_colorspace_yuv420P_to_rgb24;
+ break;
+ case 15:
+ case 16:
+#ifdef HAVE_LIBMMX
+ if (red_mask == 0xf800 && green_mask == 0x07e0 && blue_mask == 0x001f &&
+ (gst_cpu_get_flags () & GST_CPU_FLAG_MMX) ) {
+ new->convert = gst_colorspace_yuv420P_to_bgr16_mmx;
+ }
+ else
+#endif
+ new->convert = gst_colorspace_yuv420P_to_rgb16;
+ break;
+ default:
+ g_print("gst_colorspace_yuv2rgb not implemented\n");
+ g_free (new);
+ new = NULL;
+ }
+ break;
+ }
+ default:
+ g_print("gst_colorspace_yuv2rgb not implemented\n");
+ g_free (new);
+ new = NULL;
+ }
+ return new;
+}
+
+static void gst_colorspace_yuv420P_to_rgb32(GstColorSpaceConverter *space, unsigned char *src, unsigned char *dest)
+{
+ int size;
+ GST_DEBUG (0,"gst_colorspace_yuv420P_to_rgb32\n");
+
+ size = space->width * space->height;
+
+ gst_colorspace_yuv_to_rgb32(space->color_tables,
+ src, // Y component
+ src+size, // cr component
+ src+size+(size>>2), // cb component
+ dest,
+ space->height,
+ space->width);
+
+}
+
+static void gst_colorspace_yuv420P_to_rgb24(GstColorSpaceConverter *space, unsigned char *src, unsigned char *dest) {
+ int size;
+ GST_DEBUG (0,"gst_colorspace_yuv420P_to_rgb24\n");
+
+ size = space->width * space->height;
+
+ gst_colorspace_yuv_to_rgb24(space->color_tables,
+ src, // Y component
+ src+size, // cr component
+ src+size+(size>>2), // cb component
+ dest,
+ space->height,
+ space->width);
+
+}
+
+static void gst_colorspace_yuv420P_to_rgb16(GstColorSpaceConverter *space, unsigned char *src, unsigned char *dest) {
+ int size;
+ GST_DEBUG (0,"gst_colorspace_yuv420P_to_rgb16\n");
+
+ size = space->width * space->height;
+
+ gst_colorspace_yuv_to_rgb16(space->color_tables,
+ src, // Y component
+ src+size, // cr component
+ src+size+(size>>2), // cb component
+ dest,
+ space->height,
+ space->width);
+
+}
+
+#ifdef HAVE_LIBMMX
+static void gst_colorspace_yuv420P_to_bgr32_mmx(GstColorSpaceConverter *space, unsigned char *src, unsigned char *dest) {
+ int size;
+ GST_DEBUG (0,"gst_colorspace_yuv420P_to_rgb32_mmx\n");
+
+ size = space->width * space->height;
+
+ gst_colorspace_yuv_to_bgr32_mmx(NULL,
+ src, // Y component
+ src+size, // cr component
+ src+size+(size>>2), // cb component
+ dest,
+ space->height,
+ space->width);
+
+}
+static void gst_colorspace_yuv420P_to_bgr16_mmx(GstColorSpaceConverter *space, unsigned char *src, unsigned char *dest) {
+ int size;
+ GST_DEBUG (0,"gst_colorspace_yuv420P_to_bgr16_mmx \n");
+
+ size = space->width * space->height;
+
+ gst_colorspace_yuv_to_bgr16_mmx(NULL,
+ src, // Y component
+ src+size, // cr component
+ src+size+(size>>2), // cb component
+ dest,
+ space->height,
+ space->width);
+ GST_DEBUG (0,"gst_colorspace_yuv420P_to_bgr16_mmx done\n");
+
+}
+#endif
+
+/*
+ * How many 1 bits are there in the longword.
+ * Low performance, do not call often.
+ */
+
+static int
+number_of_bits_set(a)
+unsigned long a;
+{
+ if(!a) return 0;
+ if(a & 1) return 1 + number_of_bits_set(a >> 1);
+ return(number_of_bits_set(a >> 1));
+}
+
+/*
+ * Shift the 0s in the least significant end out of the longword.
+ * Low performance, do not call often.
+ */
+static unsigned long
+shifted_down(a)
+unsigned long a;
+{
+ if(!a) return 0;
+ if(a & 1) return a;
+ return a >> 1;
+}
+
+/*
+ * How many 0 bits are there at most significant end of longword.
+ * Low performance, do not call often.
+ */
+static int
+free_bits_at_top(a)
+unsigned long a;
+{
+ /* assume char is 8 bits */
+ if(!a) return sizeof(unsigned long) * 8;
+ /* assume twos complement */
+ if(((long)a) < 0l) return 0;
+ return 1 + free_bits_at_top ( a << 1);
+}
+
+/*
+ * How many 0 bits are there at least significant end of longword.
+ * Low performance, do not call often.
+ */
+static int
+free_bits_at_bottom(a)
+unsigned long a;
+{
+ /* assume char is 8 bits */
+ if(!a) return sizeof(unsigned long) * 8;
+ if(((long)a) & 1l) return 0;
+ return 1 + free_bits_at_bottom ( a >> 1);
+}
+
+/*
+ *--------------------------------------------------------------
+ *
+ * InitColor16Dither --
+ *
+ * To get rid of the multiply and other conversions in color
+ * dither, we use a lookup table.
+ *
+ * Results:
+ * None.
+ *
+ * Side effects:
+ * The lookup tables are initialized.
+ *
+ *--------------------------------------------------------------
+ */
+
+static GstColorSpaceYUVTables *
+gst_colorspace_init_yuv(long depth, long red_mask, long green_mask, long blue_mask)
+{
+ int CR, CB, i;
+ int *L_tab, *Cr_r_tab, *Cr_g_tab, *Cb_g_tab, *Cb_b_tab;
+ long *r_2_pix_alloc;
+ long *g_2_pix_alloc;
+ long *b_2_pix_alloc;
+ GstColorSpaceYUVTables *tables = g_malloc(sizeof(GstColorSpaceYUVTables));
+
+ L_tab = tables->L_tab = (int *)malloc(256*sizeof(int));
+ Cr_r_tab = tables->Cr_r_tab = (int *)malloc(256*sizeof(int));
+ Cr_g_tab = tables->Cr_g_tab = (int *)malloc(256*sizeof(int));
+ Cb_g_tab = tables->Cb_g_tab = (int *)malloc(256*sizeof(int));
+ Cb_b_tab = tables->Cb_b_tab = (int *)malloc(256*sizeof(int));
+
+ r_2_pix_alloc = (long *)malloc(768*sizeof(long));
+ g_2_pix_alloc = (long *)malloc(768*sizeof(long));
+ b_2_pix_alloc = (long *)malloc(768*sizeof(long));
+
+ if (L_tab == NULL ||
+ Cr_r_tab == NULL ||
+ Cr_g_tab == NULL ||
+ Cb_g_tab == NULL ||
+ Cb_b_tab == NULL ||
+ r_2_pix_alloc == NULL ||
+ g_2_pix_alloc == NULL ||
+ b_2_pix_alloc == NULL) {
+ fprintf(stderr, "Could not get enough memory in InitColorDither\n");
+ exit(1);
+ }
+
+ for (i=0; i<256; i++) {
+ L_tab[i] = i;
+ /*
+ if (gammaCorrectFlag) {
+ L_tab[i] = GAMMA_CORRECTION(i);
+ }
+ */
+
+ CB = CR = i;
+ /*
+ if (chromaCorrectFlag) {
+ CB -= 128;
+ CB = CHROMA_CORRECTION128(CB);
+ CR -= 128;
+ CR = CHROMA_CORRECTION128(CR);
+ }
+ else
+ */
+ {
+ CB -= 128; CR -= 128;
+ }
+ Cr_r_tab[i] = (0.419/0.299) * CR;
+ Cr_g_tab[i] = -(0.299/0.419) * CR;
+ Cb_g_tab[i] = -(0.114/0.331) * CB;
+ Cb_b_tab[i] = (0.587/0.331) * CB;
+
+ }
+
+ /*
+ * Set up entries 0-255 in rgb-to-pixel value tables.
+ */
+ for (i = 0; i < 256; i++) {
+ r_2_pix_alloc[i + 256] = i >> (8 - number_of_bits_set(red_mask));
+ r_2_pix_alloc[i + 256] <<= free_bits_at_bottom(red_mask);
+ g_2_pix_alloc[i + 256] = i >> (8 - number_of_bits_set(green_mask));
+ g_2_pix_alloc[i + 256] <<= free_bits_at_bottom(green_mask);
+ b_2_pix_alloc[i + 256] = i >> (8 - number_of_bits_set(blue_mask));
+ b_2_pix_alloc[i + 256] <<= free_bits_at_bottom(blue_mask);
+ /*
+ * If we have 16-bit output depth, then we double the value
+ * in the top word. This means that we can write out both
+ * pixels in the pixel doubling mode with one op. It is
+ * harmless in the normal case as storing a 32-bit value
+ * through a short pointer will lose the top bits anyway.
+ * A similar optimisation for Alpha for 64 bit has been
+ * prepared for, but is not yet implemented.
+ */
+ if(!(depth == 32) && !(depth == 24)) {
+
+ r_2_pix_alloc[i + 256] |= (r_2_pix_alloc[i + 256]) << 16;
+ g_2_pix_alloc[i + 256] |= (g_2_pix_alloc[i + 256]) << 16;
+ b_2_pix_alloc[i + 256] |= (b_2_pix_alloc[i + 256]) << 16;
+
+ }
+#ifdef SIXTYFOUR_BIT
+ if(depth == 32) {
+
+ r_2_pix_alloc[i + 256] |= (r_2_pix_alloc[i + 256]) << 32;
+ g_2_pix_alloc[i + 256] |= (g_2_pix_alloc[i + 256]) << 32;
+ b_2_pix_alloc[i + 256] |= (b_2_pix_alloc[i + 256]) << 32;
+
+ }
+#endif
+ }
+
+ /*
+ * Spread out the values we have to the rest of the array so that
+ * we do not need to check for overflow.
+ */
+ for (i = 0; i < 256; i++) {
+ r_2_pix_alloc[i] = r_2_pix_alloc[256];
+ r_2_pix_alloc[i+ 512] = r_2_pix_alloc[511];
+ g_2_pix_alloc[i] = g_2_pix_alloc[256];
+ g_2_pix_alloc[i+ 512] = g_2_pix_alloc[511];
+ b_2_pix_alloc[i] = b_2_pix_alloc[256];
+ b_2_pix_alloc[i+ 512] = b_2_pix_alloc[511];
+ }
+
+ tables->r_2_pix = r_2_pix_alloc + 256;
+ tables->g_2_pix = g_2_pix_alloc + 256;
+ tables->b_2_pix = b_2_pix_alloc + 256;
+
+ return tables;
+
+}
+
+/*
+ *--------------------------------------------------------------
+ *
+ * Color16DitherImage --
+ *
+ * Converts image into 16 bit color.
+ *
+ * Results:
+ * None.
+ *
+ * Side effects:
+ * None.
+ *
+ *--------------------------------------------------------------
+ */
+
+static void
+gst_colorspace_yuv_to_rgb16(tables, lum, cb, cr, out, rows, cols)
+ GstColorSpaceYUVTables *tables;
+ unsigned char *lum;
+ unsigned char *cr;
+ unsigned char *cb;
+ unsigned char *out;
+ int cols, rows;
+
+{
+ int L, CR, CB;
+ unsigned short *row1, *row2;
+ unsigned char *lum2;
+ int x, y;
+ int cr_r;
+ int crb_g;
+ int cb_b;
+ int cols_2 = cols>>1;
+
+ row1 = (unsigned short *)out;
+ row2 = row1 + cols;
+ lum2 = lum + cols;
+
+ for (y=rows>>1; y; y--) {
+ for (x=cols_2; x; x--) {
+
+ CR = *cr++;
+ CB = *cb++;
+ cr_r = tables->Cr_r_tab[CR];
+ crb_g = tables->Cr_g_tab[CR] + tables->Cb_g_tab[CB];
+ cb_b = tables->Cb_b_tab[CB];
+
+ L = tables->L_tab[(int) *lum++];
+
+ *row1++ = (tables->r_2_pix[L+cr_r] | tables->g_2_pix[L+crb_g] | tables->b_2_pix[L+cb_b]);
+
+ L = tables->L_tab[(int) *lum++];
+
+ *row1++ = (tables->r_2_pix[L+cr_r] | tables->g_2_pix[L+crb_g] | tables->b_2_pix[L+cb_b]);
+
+ /*
+ * Now, do second row.
+ */
+ L = tables->L_tab[(int) *lum2++];
+
+ *row2++ = (tables->r_2_pix[L+cr_r] | tables->g_2_pix[L+crb_g] | tables->b_2_pix[L+cb_b]);
+
+ L = tables->L_tab[(int) *lum2++];
+
+ *row2++ = (tables->r_2_pix[L+cr_r] | tables->g_2_pix[L+crb_g] | tables->b_2_pix[L+cb_b]);
+ }
+ /*
+ * These values are at the start of the next line, (due
+ * to the ++'s above),but they need to be at the start
+ * of the line after that.
+ */
+ lum = lum2;
+ row1 = row2;
+ lum2 += cols;
+ row2 += cols;
+ }
+}
+
+static void
+gst_colorspace_yuv_to_rgb24(tables, lum, cb, cr, out, rows, cols)
+ GstColorSpaceYUVTables *tables;
+ unsigned char *lum;
+ unsigned char *cr;
+ unsigned char *cb;
+ unsigned char *out;
+ int cols, rows;
+
+{
+ int L, CR, CB;
+ unsigned char *row1, *row2;
+ unsigned char *lum2;
+ int x, y;
+ int cr_r;
+ int crb_g;
+ int cb_b;
+ int cols_2 = cols>>1;
+ int cols_3 = cols*3;
+ unsigned char pixels[4];
+
+ row1 = out;
+ row2 = row1 + cols_3;
+ lum2 = lum + cols;
+ for (y=rows>>1; y; y--) {
+ for (x=cols_2; x; x--) {
+
+ CR = *cr++;
+ CB = *cb++;
+ cr_r = tables->Cr_r_tab[CR];
+ crb_g = tables->Cr_g_tab[CR] + tables->Cb_g_tab[CB];
+ cb_b = tables->Cb_b_tab[CB];
+
+ L = tables->L_tab[(int) *lum++];
+
+ ((int *)pixels)[0] = (tables->r_2_pix[L+cr_r] | tables->g_2_pix[L+crb_g] | tables->b_2_pix[L+cb_b]);
+ *row1++ = pixels[0]; *row1++ = pixels[1]; *row1++ = pixels[2];
+
+ L = tables->L_tab[(int) *lum++];
+
+ ((int *)pixels)[0] = (tables->r_2_pix[L+cr_r] | tables->g_2_pix[L+crb_g] | tables->b_2_pix[L+cb_b]);
+ *row1++ = pixels[0]; *row1++ = pixels[1]; *row1++ = pixels[2];
+
+ /*
+ * Now, do second row.
+ */
+
+ L = tables->L_tab [(int) *lum2++];
+
+ ((int *)pixels)[0] = (tables->r_2_pix[L+cr_r] | tables->g_2_pix[L+crb_g] | tables->b_2_pix[L+cb_b]);
+ *row2++ = pixels[0]; *row2++ = pixels[1]; *row2++ = pixels[2];
+
+ L = tables->L_tab [(int) *lum2++];
+
+ ((int *)pixels)[0] = (tables->r_2_pix[L+cr_r] | tables->g_2_pix[L+crb_g] | tables->b_2_pix[L+cb_b]);
+ *row2++ = pixels[0]; *row2++ = pixels[1]; *row2++ = pixels[2];
+ }
+ lum = lum2;
+ row1 = row2;
+ lum2 += cols;
+ row2 += cols_3;
+ }
+}
+
+/*
+ *--------------------------------------------------------------
+ *
+ * Color32DitherImage --
+ *
+ * Converts image into 32 bit color (or 24-bit non-packed).
+ *
+ * Results:
+ * None.
+ *
+ * Side effects:
+ * None.
+ *
+ *--------------------------------------------------------------
+ */
+
+/*
+ * This is a copysoft version of the function above with ints instead
+ * of shorts to cause a 4-byte pixel size
+ */
+
+static void
+gst_colorspace_yuv_to_rgb32(tables, lum, cb, cr, out, rows, cols)
+ GstColorSpaceYUVTables *tables;
+ unsigned char *lum;
+ unsigned char *cr;
+ unsigned char *cb;
+ unsigned char *out;
+ int cols, rows;
+
+{
+ int L, CR, CB;
+ unsigned int *row1, *row2;
+ unsigned char *lum2;
+ int x, y;
+ int cr_r;
+ int crb_g;
+ int cb_b;
+ int cols_2 = cols>>1;
+
+ row1 = (guint32 *)out;
+ row2 = row1 + cols;
+ lum2 = lum + cols;
+ for (y=rows>>1; y; y--) {
+ for (x=cols_2; x; x--) {
+
+ CR = *cr++;
+ CB = *cb++;
+ cr_r = tables->Cr_r_tab[CR];
+ crb_g = tables->Cr_g_tab[CR] + tables->Cb_g_tab[CB];
+ cb_b = tables->Cb_b_tab[CB];
+
+ L = tables->L_tab[(int) *lum++];
+
+ *row1++ = (tables->r_2_pix[L+cr_r] | tables->g_2_pix[L+crb_g] | tables->b_2_pix[L+cb_b]);
+
+ L = tables->L_tab[(int) *lum++];
+
+ *row1++ = (tables->r_2_pix[L+cr_r] | tables->g_2_pix[L+crb_g] | tables->b_2_pix[L+cb_b]);
+
+ /*
+ * Now, do second row.
+ */
+
+ L = tables->L_tab [(int) *lum2++];
+
+ *row2++ = (tables->r_2_pix[L+cr_r] | tables->g_2_pix[L+crb_g] | tables->b_2_pix[L+cb_b]);
+
+ L = tables->L_tab [(int) *lum2++];
+
+ *row2++ = (tables->r_2_pix[L+cr_r] | tables->g_2_pix[L+crb_g] | tables->b_2_pix[L+cb_b]);
+ }
+ lum = lum2;
+ row1 = row2;
+ lum2 += cols;
+ row2 += cols;
+ }
+}
+
+#ifdef HAVE_LIBMMX
+static mmx_t MMX_80w = (mmx_t)(long long)0x0080008000800080LL; //dd 00080 0080h, 000800080h
+
+static mmx_t MMX_00FFw = (mmx_t)(long long)0x00ff00ff00ff00ffLL; //dd 000FF 00FFh, 000FF00FFh
+static mmx_t MMX_FF00w = (mmx_t)(long long)0xff00ff00ff00ff00LL; //dd 000FF 00FFh, 000FF00FFh
+
+static mmx_t MMX32_Vredcoeff = (mmx_t)(long long)0x0059005900590059LL;
+static mmx_t MMX32_Ubluecoeff = (mmx_t)(long long)0x0072007200720072LL;
+static mmx_t MMX32_Ugrncoeff = (mmx_t)(long long)0xffeaffeaffeaffeaLL;
+static mmx_t MMX32_Vgrncoeff = (mmx_t)(long long)0xffd2ffd2ffd2ffd2LL;
+
+static void
+gst_colorspace_yuv_to_bgr32_mmx(tables, lum, cr, cb, out, rows, cols)
+ GstColorSpaceYUVTables *tables;
+ unsigned char *lum;
+ unsigned char *cr;
+ unsigned char *cb;
+ unsigned char *out;
+ int cols, rows;
+
+{
+ guint32 *row1 = (guint32 *)out; // 32 bit target
+ int cols4 = cols>>2;
+
+ int y, x;
+
+ for (y=rows>>1; y; y--) {
+ for (x=cols4; x; x--) {
+
+ // create Cr (result in mm1)
+ movd_m2r(*(mmx_t *)cb, mm1); // 0 0 0 0 v3 v2 v1 v0
+ pxor_r2r(mm7, mm7); // 00 00 00 00 00 00 00 00
+ movd_m2r(*(mmx_t *)lum, mm2); // 0 0 0 0 l3 l2 l1 l0
+ punpcklbw_r2r(mm7, mm1); // 0 v3 0 v2 00 v1 00 v0
+ punpckldq_r2r(mm1, mm1); // 00 v1 00 v0 00 v1 00 v0
+ psubw_m2r(MMX_80w, mm1); // mm1-128:r1 r1 r0 r0 r1 r1 r0 r0
+
+ // create Cr_g (result in mm0)
+ movq_r2r(mm1, mm0); // r1 r1 r0 r0 r1 r1 r0 r0
+ pmullw_m2r(MMX32_Vgrncoeff, mm0); // red*-46dec=0.7136*64
+ pmullw_m2r(MMX32_Vredcoeff, mm1); // red*89dec=1.4013*64
+ psraw_i2r(6, mm0); // red=red/64
+ psraw_i2r(6, mm1); // red=red/64
+
+ // create L1 L2 (result in mm2,mm4)
+ // L2=lum+cols
+ movq_m2r(*(mmx_t *)(lum+cols),mm3); // 0 0 0 0 L3 L2 L1 L0
+ punpckldq_r2r(mm3, mm2); // L3 L2 L1 L0 l3 l2 l1 l0
+ movq_r2r(mm2, mm4); // L3 L2 L1 L0 l3 l2 l1 l0
+ pand_m2r(MMX_FF00w, mm2); // L3 0 L1 0 l3 0 l1 0
+ pand_m2r(MMX_00FFw, mm4); // 0 L2 0 L0 0 l2 0 l0
+ psrlw_i2r(8, mm2); // 0 L3 0 L1 0 l3 0 l1
+
+ // create R (result in mm6)
+ movq_r2r(mm2, mm5); // 0 L3 0 L1 0 l3 0 l1
+ movq_r2r(mm4, mm6); // 0 L2 0 L0 0 l2 0 l0
+ paddsw_r2r(mm1, mm5); // lum1+red:x R3 x R1 x r3 x r1
+ paddsw_r2r(mm1, mm6); // lum1+red:x R2 x R0 x r2 x r0
+ packuswb_r2r(mm5, mm5); // R3 R1 r3 r1 R3 R1 r3 r1
+ packuswb_r2r(mm6, mm6); // R2 R0 r2 r0 R2 R0 r2 r0
+ pxor_r2r(mm7, mm7); // 00 00 00 00 00 00 00 00
+ punpcklbw_r2r(mm5, mm6); // R3 R2 R1 R0 r3 r2 r1 r0
+
+ // create Cb (result in mm1)
+ movd_m2r(*(mmx_t *)cr, mm1); // 0 0 0 0 u3 u2 u1 u0
+ punpcklbw_r2r(mm7, mm1); // 0 u3 0 u2 00 u1 00 u0
+ punpckldq_r2r(mm1, mm1); // 00 u1 00 u0 00 u1 00 u0
+ psubw_m2r(MMX_80w, mm1); // mm1-128:u1 u1 u0 u0 u1 u1 u0 u0
+ // create Cb_g (result in mm5)
+ movq_r2r(mm1, mm5); // u1 u1 u0 u0 u1 u1 u0 u0
+ pmullw_m2r(MMX32_Ugrncoeff, mm5); // blue*-109dec=1.7129*64
+ pmullw_m2r(MMX32_Ubluecoeff, mm1); // blue*114dec=1.78125*64
+ psraw_i2r(6, mm5); // blue=red/64
+ psraw_i2r(6, mm1); // blue=blue/64
+
+ // create G (result in mm7)
+ movq_r2r(mm2, mm3); // 0 L3 0 L1 0 l3 0 l1
+ movq_r2r(mm4, mm7); // 0 L2 0 L0 0 l2 0 l1
+ paddsw_r2r(mm5, mm3); // lum1+Cb_g:x G3t x G1t x g3t x g1t
+ paddsw_r2r(mm5, mm7); // lum1+Cb_g:x G2t x G0t x g2t x g0t
+ paddsw_r2r(mm0, mm3); // lum1+Cr_g:x G3 x G1 x g3 x g1
+ paddsw_r2r(mm0, mm7); // lum1+blue:x G2 x G0 x g2 x g0
+ packuswb_r2r(mm3, mm3); // G3 G1 g3 g1 G3 G1 g3 g1
+ packuswb_r2r(mm7, mm7); // G2 G0 g2 g0 G2 G0 g2 g0
+ punpcklbw_r2r(mm3, mm7); // G3 G2 G1 G0 g3 g2 g1 g0
+
+ // create B (result in mm5)
+ movq_r2r(mm2, mm3); // 0 L3 0 L1 0 l3 0 l1
+ movq_r2r(mm4, mm5); // 0 L2 0 L0 0 l2 0 l1
+ paddsw_r2r(mm1, mm3); // lum1+blue:x B3 x B1 x b3 x b1
+ paddsw_r2r(mm1, mm5); // lum1+blue:x B2 x B0 x b2 x b0
+ packuswb_r2r(mm3, mm3); // B3 B1 b3 b1 B3 B1 b3 b1
+ packuswb_r2r(mm5, mm5); // B2 B0 b2 b0 B2 B0 b2 b0
+ punpcklbw_r2r(mm3, mm5); // B3 B2 B1 B0 b3 b2 b1 b0
+
+ // fill destination row1 (needed are mm6=Rr,mm7=Gg,mm5=Bb)
+
+ pxor_r2r(mm2, mm2); // 0 0 0 0 0 0 0 0
+ pxor_r2r(mm4, mm4); // 0 0 0 0 0 0 0 0
+ movq_r2r(mm6, mm1); // R3 R2 R1 R0 r3 r2 r1 r0
+ movq_r2r(mm5, mm3); // B3 B2 B1 B0 b3 b2 b1 b0
+ // process lower lum
+ punpcklbw_r2r(mm4, mm1); // 0 r3 0 r2 0 r1 0 r0
+ punpcklbw_r2r(mm4, mm3); // 0 b3 0 b2 0 b1 0 b0
+ movq_r2r(mm1, mm2); // 0 r3 0 r2 0 r1 0 r0
+ movq_r2r(mm3, mm0); // 0 b3 0 b2 0 b1 0 b0
+ punpcklwd_r2r(mm1, mm3); // 0 r1 0 b1 0 r0 0 b0
+ punpckhwd_r2r(mm2, mm0); // 0 r3 0 b3 0 r2 0 b2
+
+ pxor_r2r(mm2, mm2); // 0 0 0 0 0 0 0 0
+ movq_r2r(mm7, mm1); // G3 G2 G1 G0 g3 g2 g1 g0
+ punpcklbw_r2r(mm1, mm2); // g3 0 g2 0 g1 0 g0 0
+ punpcklwd_r2r(mm4, mm2); // 0 0 g1 0 0 0 g0 0
+ por_r2r(mm3, mm2); // 0 r1 g1 b1 0 r0 g0 b0
+ movq_r2m(mm2, *(mmx_t *)row1); // wrote out ! row1
+
+ pxor_r2r(mm2, mm2); // 0 0 0 0 0 0 0 0
+ punpcklbw_r2r(mm1, mm4); // g3 0 g2 0 g1 0 g0 0
+ punpckhwd_r2r(mm2, mm4); // 0 0 g3 0 0 0 g2 0
+ por_r2r(mm0, mm4); // 0 r3 g3 b3 0 r2 g2 b2
+ movq_r2m(mm4, *(mmx_t *)(row1+2)); // wrote out ! row1
+
+ // fill destination row2 (needed are mm6=Rr,mm7=Gg,mm5=Bb)
+ // this can be done "destructive"
+ pxor_r2r(mm2, mm2); // 0 0 0 0 0 0 0 0
+ punpckhbw_r2r(mm2, mm6); // 0 R3 0 R2 0 R1 0 R0
+ punpckhbw_r2r(mm1, mm5); // G3 B3 G2 B2 G1 B1 G0 B0
+ movq_r2r(mm5, mm1); // G3 B3 G2 B2 G1 B1 G0 B0
+ punpcklwd_r2r(mm6, mm1); // 0 R1 G1 B1 0 R0 G0 B0
+ movq_r2m(mm1, *(mmx_t *)(row1+cols)); // wrote out ! row2
+ punpckhwd_r2r(mm6, mm5); // 0 R3 G3 B3 0 R2 G2 B2
+ movq_r2m(mm5, *(mmx_t *)(row1+cols+2)); // wrote out ! row2
+
+ lum+=4;
+ cr+=2;
+ cb+=2;
+ row1 +=4;
+ }
+ lum += cols;
+ row1 += cols;
+ }
+
+ emms();
+
+}
+#endif
+
diff --git a/ext/hermes/yuv2rgb.h b/ext/hermes/yuv2rgb.h
new file mode 100644
index 00000000..c77fd702
--- /dev/null
+++ b/ext/hermes/yuv2rgb.h
@@ -0,0 +1,68 @@
+/*
+ * Copyright (c) 1995 The Regents of the University of California.
+ * All rights reserved.
+ *
+ * Permission to use, copy, modify, and distribute this software and its
+ * documentation for any purpose, without fee, and without written agreement is
+ * hereby granted, provided that the above copyright notice and the following
+ * two paragraphs appear in all copies of this software.
+ *
+ * IN NO EVENT SHALL THE UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY PARTY FOR
+ * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING OUT
+ * OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF THE UNIVERSITY OF
+ * CALIFORNIA HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * THE UNIVERSITY OF CALIFORNIA SPECIFICALLY DISCLAIMS ANY WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
+ * ON AN "AS IS" BASIS, AND THE UNIVERSITY OF CALIFORNIA HAS NO OBLIGATION TO
+ * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
+ */
+
+#ifndef __YUV2RGB_H__
+#define __YUV2RGB_H__
+
+#include <gst/gst.h>
+
+typedef struct _GstColorSpaceYUVTables GstColorSpaceYUVTables;
+
+struct _GstColorSpaceYUVTables {
+ int gammaCorrectFlag;
+ double gammaCorrect;
+ int chromaCorrectFlag;
+ double chromaCorrect;
+
+ int *L_tab, *Cr_r_tab, *Cr_g_tab, *Cb_g_tab, *Cb_b_tab;
+
+ /*
+ * We define tables that convert a color value between -256 and 512
+ * into the R, G and B parts of the pixel. The normal range is 0-255.
+ **/
+
+ long *r_2_pix;
+ long *g_2_pix;
+ long *b_2_pix;
+};
+
+
+typedef struct _GstColorSpaceConverter GstColorSpaceConverter;
+typedef void (*GstColorSpaceConvertFunction) (GstColorSpaceConverter *space, guchar *src, guchar *dest);
+
+struct _GstColorSpaceConverter {
+ guint width;
+ guint height;
+ guint insize;
+ guint outsize;
+ /* private */
+ GstColorSpaceYUVTables *color_tables;
+ GstColorSpaceConvertFunction convert;
+};
+
+
+GstColorSpaceConverter* gst_colorspace_yuv2rgb_get_converter (GstCaps *from, GstCaps *to);
+#define gst_colorspace_convert(converter, src, dest) \
+ (converter)->convert((converter), (src), (dest))
+void gst_colorspace_destroy (GstColorSpaceConverter *space);
+
+#endif
+
diff --git a/ext/hermes/yuv2rgb_mmx16.s b/ext/hermes/yuv2rgb_mmx16.s
new file mode 100644
index 00000000..8f7b1f77
--- /dev/null
+++ b/ext/hermes/yuv2rgb_mmx16.s
@@ -0,0 +1,188 @@
+.globl mmx_80w
+.data
+ .align 4
+ .type mmx_80w,@object
+ .size mmx_80w,8
+mmx_80w:
+ .long 8388736
+ .long 8388736
+.globl mmx_10w
+ .align 4
+ .type mmx_10w,@object
+ .size mmx_10w,8
+mmx_10w:
+ .long 269488144
+ .long 269488144
+.globl mmx_00ffw
+ .align 4
+ .type mmx_00ffw,@object
+ .size mmx_00ffw,8
+mmx_00ffw:
+ .long 16711935
+ .long 16711935
+.globl mmx_Y_coeff
+ .align 4
+ .type mmx_Y_coeff,@object
+ .size mmx_Y_coeff,8
+mmx_Y_coeff:
+ .long 624895295
+ .long 624895295
+.globl mmx_U_green
+ .align 4
+ .type mmx_U_green,@object
+ .size mmx_U_green,8
+mmx_U_green:
+ .long -209849475
+ .long -209849475
+.globl mmx_U_blue
+ .align 4
+ .type mmx_U_blue,@object
+ .size mmx_U_blue,8
+mmx_U_blue:
+ .long 1083392147
+ .long 1083392147
+.globl mmx_V_red
+ .align 4
+ .type mmx_V_red,@object
+ .size mmx_V_red,8
+mmx_V_red:
+ .long 856830738
+ .long 856830738
+.globl mmx_V_green
+ .align 4
+ .type mmx_V_green,@object
+ .size mmx_V_green,8
+mmx_V_green:
+ .long -436410884
+ .long -436410884
+.globl mmx_redmask
+ .align 4
+ .type mmx_redmask,@object
+ .size mmx_redmask,8
+mmx_redmask:
+ .long -117901064
+ .long -117901064
+.globl mmx_grnmask
+ .align 4
+ .type mmx_grnmask,@object
+ .size mmx_grnmask,8
+mmx_grnmask:
+ .long -50529028
+ .long -50529028
+.text
+ .align 4
+.globl gst_colorspace_yuv_to_bgr16_mmx
+ .type gst_colorspace_yuv_to_bgr16_mmx,@function
+gst_colorspace_yuv_to_bgr16_mmx:
+ subl $8,%esp
+ pushl %ebp
+ pushl %edi
+ pushl %esi
+ movl 28(%esp),%edi
+ movl 32(%esp),%ecx
+ movl 36(%esp),%edx
+ movl $1,%ebp
+ movl 48(%esp),%esi
+ sarl $1,%esi
+ movl %esi,16(%esp)
+
+ pxor %mm4, %mm4 # zero mm4
+
+ movl %esi,12(%esp)
+ sarl $2,12(%esp)
+
+ movl 40(%esp),%esi
+
+ .p2align 4,,7
+.L68:
+
+ movd (%ecx), %mm0 # Load 4 Cb 00 00 00 00 00 u3 u2 u1 u0
+ movd (%edx), %mm1 # Load 4 Cr 00 00 00 00 00 v2 v1 v0
+ movq (%edi), %mm6 # Load 8 Y Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0
+
+ movl 12(%esp),%eax
+
+ .p2align 4,,7
+.L74:
+ punpcklbw %mm4, %mm0 # scatter 4 Cb 00 u3 00 u2 00 u1 00 u0
+ punpcklbw %mm4, %mm1 # scatter 4 Cr 00 v3 00 v2 00 v1 00 v0
+ psubsw mmx_80w, %mm0 # Cb -= 128
+ psubsw mmx_80w, %mm1 # Cr -= 128
+ psllw $3, %mm0 # Promote precision
+ psllw $3, %mm1 # Promote precision
+ movq %mm0, %mm2 # Copy 4 Cb 00 u3 00 u2 00 u1 00 u0
+ movq %mm1, %mm3 # Copy 4 Cr 00 v3 00 v2 00 v1 00 v0
+ pmulhw mmx_U_green, %mm2 # Mul Cb with green coeff -> Cb green
+ pmulhw mmx_V_green, %mm3 # Mul Cr with green coeff -> Cr green
+ pmulhw mmx_U_blue, %mm0 # Mul Cb -> Cblue 00 b3 00 b2 00 b1 00 b0
+ pmulhw mmx_V_red, %mm1 # Mul Cr -> Cred 00 r3 00 r2 00 r1 00 r0
+ paddsw %mm3, %mm2 # Cb green + Cr green -> Cgreen
+ psubusb mmx_10w, %mm6 # Y -= 16
+ movq %mm6, %mm7 # Copy 8 Y Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0
+ pand mmx_00ffw, %mm6 # get Y even 00 Y6 00 Y4 00 Y2 00 Y0
+ psrlw $8, %mm7 # get Y odd 00 Y7 00 Y5 00 Y3 00 Y1
+ psllw $3, %mm6 # Promote precision
+ psllw $3, %mm7 # Promote precision
+ pmulhw mmx_Y_coeff, %mm6 # Mul 4 Y even 00 y6 00 y4 00 y2 00 y0
+ pmulhw mmx_Y_coeff, %mm7 # Mul 4 Y odd 00 y7 00 y5 00 y3 00 y1
+ movq %mm0, %mm3 # Copy Cblue
+ movq %mm1, %mm4 # Copy Cred
+ movq %mm2, %mm5 # Copy Cgreen
+ paddsw %mm6, %mm0 # Y even + Cblue 00 B6 00 B4 00 B2 00 B0
+ paddsw %mm7, %mm3 # Y odd + Cblue 00 B7 00 B5 00 B3 00 B1
+ paddsw %mm6, %mm1 # Y even + Cred 00 R6 00 R4 00 R2 00 R0
+ paddsw %mm7, %mm4 # Y odd + Cred 00 R7 00 R5 00 R3 00 R1
+ paddsw %mm6, %mm2 # Y even + Cgreen 00 G6 00 G4 00 G2 00 G0
+ paddsw %mm7, %mm5 # Y odd + Cgreen 00 G7 00 G5 00 G3 00 G1
+ packuswb %mm0, %mm0 # B6 B4 B2 B0 | B6 B4 B2 B0
+ packuswb %mm1, %mm1 # R6 R4 R2 R0 | R6 R4 R2 R0
+ packuswb %mm2, %mm2 # G6 G4 G2 G0 | G6 G4 G2 G0
+ packuswb %mm3, %mm3 # B7 B5 B3 B1 | B7 B5 B3 B1
+ packuswb %mm4, %mm4 # R7 R5 R3 R1 | R7 R5 R3 R1
+ packuswb %mm5, %mm5 # G7 G5 G3 G1 | G7 G5 G3 G1
+ punpcklbw %mm3, %mm0 # B7 B6 B5 B4 B3 B2 B1 B0
+ punpcklbw %mm4, %mm1 # R7 R6 R5 R4 R3 R2 R1 R0
+ punpcklbw %mm5, %mm2 # G7 G6 G5 G4 G3 G2 G1 G0
+ pand mmx_redmask, %mm0 # b7b6b5b4 b3_0_0_0 b7b6b5b4 b3_0_0_0
+ pand mmx_grnmask, %mm2 # g7g6g5g4 g3g2_0_0 g7g6g5g4 g3g2_0_0
+ pand mmx_redmask, %mm1 # r7r6r5r4 r3_0_0_0 r7r6r5r4 r3_0_0_0
+ psrlw $3,%mm0 #0_0_0_b7 b6b5b4b3 0_0_0_b7 b6b5b4b3
+ pxor %mm4, %mm4 # zero mm4
+ movq %mm0, %mm5 # Copy B7-B0
+ movq %mm2, %mm7 # Copy G7-G0
+ punpcklbw %mm4, %mm2 # 0_0_0_0 0_0_0_0 g7g6g5g4 g3g2_0_0
+ punpcklbw %mm1, %mm0 # r7r6r5r4 r3_0_0_0 0_0_0_b7 b6b5b4b3
+ psllw $3,%mm2 # 0_0_0_0 0_g7g6g5 g4g3g2_0 0_0_0_0
+ por %mm2, %mm0 # r7r6r5r4 r3g7g6g5 g4g3g2b7 b6b5b4b3
+ movq 8(%edi), %mm6 # Load 8 Y Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0
+ movq %mm0, (%esi) # store pixel 0-3
+ punpckhbw %mm4, %mm7 # 0_0_0_0 0_0_0_0 g7g6g5g4 g3g2_0_0
+ punpckhbw %mm1, %mm5 # r7r6r5r4 r3_0_0_0 0_0_0_b7 b6b5b4b3
+ psllw $3,%mm7 # 0_0_0_0 0_g7g6g5 g4g3g2_0 0_0_0_0
+ movd 4(%ecx), %mm0 # Load 4 Cb 00 00 00 00 u3 u2 u1 u0
+ por %mm7, %mm5 # r7r6r5r4 r3g7g6g5 g4g3g2b7 b6b5b4b3
+ movd 4(%edx), %mm1 # Load 4 Cr 00 00 00 00 v3 v2 v1 v0
+ movq %mm5, 8(%esi) # store pixel 4-7
+
+ addl $8,%edi
+ addl $4,%ecx
+ addl $4,%edx
+ addl $16,%esi
+ decl %eax
+ jnz .L74
+.L72:
+ xorl $1,%ebp
+ jne .L76
+ subl 16(%esp),%ecx
+ subl 16(%esp),%edx
+.L76:
+ subl $1,44(%esp)
+ jnz .L68
+
+ emms
+
+ popl %esi
+ popl %edi
+ popl %ebp
+ addl $8,%esp
+ ret
diff --git a/ext/hermes/yuv2yuv.c b/ext/hermes/yuv2yuv.c
new file mode 100644
index 00000000..bec60c8a
--- /dev/null
+++ b/ext/hermes/yuv2yuv.c
@@ -0,0 +1,55 @@
+/* Gnome-Streamer
+ * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#include "config.h"
+
+#include <math.h>
+#include <stdlib.h>
+
+#include <gst/gst.h>
+
+//#undef HAVE_LIBMMX
+
+#ifdef HAVE_LIBMMX
+#include "mmx.h"
+#endif
+
+void gst_colorspace_yuy2_to_i420(unsigned char *src, unsigned char *dest, guint width, guint height)
+{
+ int size, i, j;
+ guchar *desty, *destr, *destb;
+
+ size = width * height;
+
+ desty = dest;
+ destr = desty + size;
+ destb = destr + (size>>2);
+
+ for (i=0; i<height; i++) {
+ for (j=0; j<(width>>1); j++) {
+ *desty++ = *src;
+ *desty++ = *(src+2);
+ if ((i&1) == 0) {
+ *destr++ = *(src+1);
+ *destb++ = *(src+3);
+ }
+ src += 4;
+ }
+ }
+}
generated by cgit v1.2.1 (git 2.18.0) at 2024-12-26 04:11:26 +0000