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adding hermes

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Original commit message from CVS:
adding hermes
This commit is contained in:
Thomas Vander Stichele 2001-12-23 14:25:32 +00:00
parent b4b7683df9
commit 854a7e0af7
7 changed files with 1747 additions and 0 deletions
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17
ext/hermes/Makefile.am Normal file
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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

501
ext/hermes/gstcolorspace.c Normal file
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/* 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
};

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/* 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 */

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/* 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

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/*
* 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

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.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

55
ext/hermes/yuv2yuv.c Normal file
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/* 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;
}
}
}