#include <stdlib.h>
#include <math.h>
+#include "config.h"
#include "gstvideoscale.h"
+#ifdef HAVE_CPU_I386
+#include "gstscale_x86.h"
+#endif
//FIXME
#include <gst/meta/videoraw.h>
-static void gst_videoscale_scale_yuv(GstVideoScale *scale, unsigned char *src, unsigned char *dest);
-static void gst_videoscale_scale_rgb(GstVideoScale *scale, unsigned char *src, unsigned char *dest);
+static void gst_videoscale_scale_yuv (GstVideoScale *scale, unsigned char *src, unsigned char *dest);
+static void gst_videoscale_scale_rgb (GstVideoScale *scale, unsigned char *src, unsigned char *dest);
/* scalers */
-static void generate_rowbytes(unsigned char *copy_row, int src_w, int dst_w, int bpp);
-static void gst_videoscale_scale_nearest(GstVideoScale *scale, unsigned char *src, unsigned char *dest, int sw, int sh, int dw, int dh);
-static void gst_videoscale_scale_plane_slow(GstVideoScale *scale, unsigned char *src, unsigned char *dest, int sw, int sh, int dw, int dh);
-static void gst_videoscale_scale_point_sample(GstVideoScale *scale, unsigned char *src, unsigned char *dest, int sw, int sh, int dw, int dh);
+static void gst_videoscale_scale_nearest (GstVideoScale *scale, unsigned char *src, unsigned char *dest,
+ int sw, int sh, int dw, int dh);
+static void gst_videoscale_scale_plane_slow (GstVideoScale *scale, unsigned char *src, unsigned char *dest,
+ int sw, int sh, int dw, int dh);
+static void gst_videoscale_scale_point_sample (GstVideoScale *scale, unsigned char *src, unsigned char *dest,
+ int sw, int sh, int dw, int dh);
/* filters */
-static unsigned char gst_videoscale_bilinear(unsigned char *src, double x, double y, int sw, int sh);
-static unsigned char gst_videoscale_bicubic(unsigned char *src, double x, double y, int sw, int sh);
+static unsigned char gst_videoscale_bilinear (unsigned char *src, double x, double y, int sw, int sh);
+static unsigned char gst_videoscale_bicubic (unsigned char *src, double x, double y, int sw, int sh);
-GstVideoScale *gst_videoscale_new(gint sw, gint sh, gint dw, gint dh, GstColorSpaceType format, GstVideoScaleMethod method)
+GstVideoScale*
+gst_videoscale_new (gint sw, gint sh, gint dw, gint dh,
+ GstColorSpaceType format, GstVideoScaleMethod method)
{
GstVideoScale *new = g_malloc(sizeof(GstVideoScale));
- gint scale_bytes;
new->source_width = sw;
new->source_height = sh;
switch (format) {
case GST_COLORSPACE_YUV420P:
new->scale = gst_videoscale_scale_yuv;
- scale_bytes = 1;
+ new->scale_bytes = 1;
break;
case GST_COLORSPACE_RGB555:
case GST_COLORSPACE_RGB565:
case GST_COLORSPACE_BGR555:
case GST_COLORSPACE_BGR565:
new->scale = gst_videoscale_scale_rgb;
- scale_bytes = 2;
+ new->scale_bytes = 2;
break;
case GST_COLORSPACE_RGB32:
case GST_COLORSPACE_BGR32:
new->scale = gst_videoscale_scale_rgb;
- scale_bytes = 4;
+ new->scale_bytes = 4;
break;
default:
g_print("videoscale: unsupported video format %d\n", format);
GST_DEBUG (0,"videoscale: scaling method POINT_SAMPLE\n");
break;
case GST_VIDEOSCALE_NEAREST:
- generate_rowbytes(new->copy_row, sw, dw, scale_bytes);
+#ifdef HAVE_CPU_I386
+ gst_videoscale_generate_rowbytes_x86 (new->copy_row, sw, dw, new->scale_bytes);
+ new->scaler = gst_videoscale_scale_nearest_x86;
+#else
new->scaler = gst_videoscale_scale_nearest;
+#endif
GST_DEBUG (0,"videoscale: scaling method NEAREST\n");
break;
case GST_VIDEOSCALE_BILINEAR:
return new;
}
-void gst_videoscale_destroy(GstVideoScale *scale)
+void
+gst_videoscale_destroy (GstVideoScale *scale)
{
g_free(scale);
}
-static void gst_videoscale_scale_rgb(GstVideoScale *scale, unsigned char *src, unsigned char *dest)
+static void
+gst_videoscale_scale_rgb (GstVideoScale *scale, unsigned char *src, unsigned char *dest)
{
int sw = scale->source_width;
int sh = scale->source_height;
int dh = scale->dest_height;
GST_DEBUG (0,"videoscale: scaling RGB %dx%d to %dx%d\n", sw, sh, dw, dh);
- dw = ((dw + 1) & ~1) << 1;
- sw = sw<<1;
+ switch (scale->scale_bytes) {
+ case 2:
+ dw = ((dw + 1) & ~1) << 1;
+ sw = sw<<1;
+ break;
+ case 4:
+ dw = ((dw + 2) & ~3) << 2;
+ sw = sw<<2;
+ break;
+ default:
+ break;
+ }
+
GST_DEBUG (0,"videoscale: %p %p\n", src, dest);
scale->scaler(scale, src, dest, sw, sh, dw, dh);
}
-static void gst_videoscale_scale_yuv(GstVideoScale *scale, unsigned char *src, unsigned char *dest)
+static void
+gst_videoscale_scale_yuv (GstVideoScale *scale, unsigned char *src, unsigned char *dest)
{
int sw = scale->source_width;
int sh = scale->source_height;
#define RC(x,y) *(src+(int)(x)+(int)((y)*sw))
-static unsigned char gst_videoscale_bilinear(unsigned char *src, double x, double y, int sw, int sh) {
+static unsigned char
+gst_videoscale_bilinear (unsigned char *src, double x, double y, int sw, int sh)
+{
int j=floor(x);
int k=floor(y);
double a=x-j;
return (unsigned char) color;
}
-static unsigned char gst_videoscale_bicubic(unsigned char *src, double x, double y, int sw, int sh) {
+static unsigned char
+gst_videoscale_bicubic (unsigned char *src, double x, double y, int sw, int sh)
+{
int j=floor(x);
int k=floor(y), k2;
double a=x-j;
return (unsigned char) color;
}
-static void gst_videoscale_scale_plane_slow(GstVideoScale *scale, unsigned char *src, unsigned char *dest, int sw, int sh, int dw, int dh)
+static void
+gst_videoscale_scale_plane_slow (GstVideoScale *scale, unsigned char *src, unsigned char *dest,
+ int sw, int sh, int dw, int dh)
{
double zoomx = ((double)dw)/(double)sw;
double zoomy = ((double)dh)/(double)sh;
}
}
-#define PREFIX16 0x66
-#define STORE_BYTE 0xAA
-#define STORE_WORD 0xAB
-#define LOAD_BYTE 0xAC
-#define LOAD_WORD 0xAD
-#define RETURN 0xC3
-
-static void generate_rowbytes(unsigned char *copy_row, int src_w, int dst_w, int bpp)
-{
- int i;
- int pos, inc;
- unsigned char *eip;
- unsigned char load, store;
-
- GST_DEBUG (0,"videoscale: setup scaling %p\n", copy_row);
-
- switch (bpp) {
- case 1:
- load = LOAD_BYTE;
- store = STORE_BYTE;
- break;
- case 2:
- case 4:
- load = LOAD_WORD;
- store = STORE_WORD;
- break;
- default:
- return;
- }
- pos = 0x10000;
- inc = (src_w << 16) / dst_w;
- eip = copy_row;
- for ( i=0; i<dst_w; ++i ) {
- while ( pos >= 0x10000L ) {
- if ( bpp == 2 ) {
- *eip++ = PREFIX16;
- }
- *eip++ = load;
- pos -= 0x10000L;
- }
- if ( bpp == 2 ) {
- *eip++ = PREFIX16;
- }
- *eip++ = store;
- pos += inc;
- }
- *eip++ = RETURN;
- GST_DEBUG (0,"scaler start/end %p %p %p\n", copy_row, eip, (void*)(eip-copy_row));
-}
-
-
-static void gst_videoscale_scale_point_sample(GstVideoScale *scale, unsigned char *src, unsigned char *dest, int sw, int sh, int dw, int dh)
+static void
+gst_videoscale_scale_point_sample (GstVideoScale *scale, unsigned char *src, unsigned char *dest,
+ int sw, int sh, int dw, int dh)
{
int ypos, yinc, y;
int xpos, xinc, x;
int sum, xcount, ycount, loop;
unsigned char *srcp, *srcp2;
- GST_DEBUG (0,"videoscale: scaling nearest %p %p %d\n", src, dest, dw);
-
+ GST_DEBUG (0,"videoscale: scaling nearest point sample %p %p %d\n", src, dest, dw);
ypos = 0x10000;
yinc = (sh<<16)/dh;
}
}
-static void gst_videoscale_scale_nearest(GstVideoScale *scale, unsigned char *src, unsigned char *dest, int sw, int sh, int dw, int dh)
+static void
+gst_videoscale_scale_nearest (GstVideoScale *scale,
+ unsigned char *src,
+ unsigned char *dest,
+ int sw, int sh, int dw, int dh)
{
- int pos, inc, y;
- int u1, u2;
-
- scale->temp = scale->copy_row;
+ int ypos, yinc, y;
+ int xpos, xinc, x;
- GST_DEBUG (0,"videoscale: scaling nearest %p %p %p %d\n", scale->copy_row, src, dest, dw);
+ GST_DEBUG (0, "videoscale: scaling nearest %p %p %d %d\n", src, dest, dw, scale->scale_bytes);
- pos = 0x10000;
- inc = (sh<<16)/dh;
+ ypos = 0x10000;
+ yinc = (sh<<16)/dh;
+ xinc = (sw<<16)/dw;
- for (y = dh; y > 0; y--) {
+ for (y = dh; y; y--) {
- while (pos >0x10000) {
+ while (ypos >0x10000) {
+ ypos-=0x10000;
src += sw;
- pos-=0x10000;
}
- __asm__ __volatile__ ("
- movl %2, %%eax\n
- call *%%eax
- "
- : "=&D" (u1), "=&S" (u2)
- : "g" (scale->temp), "0" (dest), "1" (src)
- : "memory" );
+ xpos = 0x10000;
- dest+= dw;
+ switch (scale->scale_bytes) {
+ case 4:
+ {
+ guint32 *destp = (guint32 *)dest;
+ guint32 *srcp = (guint32 *)src;
+
+ for ( x=dw>>2; x; x-- ) {
+ while ( xpos >= 0x10000L ) {
+ srcp++;
+ xpos -= 0x10000L;
+ }
+ *destp++ = *srcp;
+ xpos += xinc;
+ }
+ break;
+ }
+ case 2:
+ {
+ guint16 *destp = (guint16 *)dest;
+ guint16 *srcp = (guint16 *)src;
+
+ for ( x=dw>>1; x; x-- ) {
+ while ( xpos >= 0x10000L ) {
+ srcp++;
+ xpos -= 0x10000L;
+ }
+ *destp++ = *srcp;
+ xpos += xinc;
+ }
+ break;
+ }
+ case 1:
+ {
+ guchar *destp = dest;
+ guchar *srcp = src;
+
+ for ( x=dw; x; x-- ) {
+ while ( xpos >= 0x10000L ) {
+ srcp++;
+ xpos -= 0x10000L;
+ }
+ *destp++ = *srcp;
+ xpos += xinc;
+ }
+ }
+ }
+ dest += dw;
- pos += inc;
+ ypos += yinc;
}
- GST_DEBUG(0,"videoscale: scaling nearest done %p\n", scale->copy_row);
}
+++ /dev/null
-/* 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>
-
-//#define DEBUG_ENABLED
-#include <gst/gst.h>
-#include <gstcolorspace.h>
-
-#ifdef HAVE_LIBMMX
-#include "mmx.h"
-#endif
-
-#include "yuv2rgb.h"
-
-static GstBuffer *gst_colorspace_yuv420P_to_rgb32(GstBuffer *src, GstColorSpaceParameters *params);
-static GstBuffer *gst_colorspace_yuv420P_to_bgr32(GstBuffer *src, GstColorSpaceParameters *params);
-static GstBuffer *gst_colorspace_yuv420P_to_bgr32_mmx(GstBuffer *src, GstColorSpaceParameters *params);
-static GstBuffer *gst_colorspace_yuv420P_to_rgb24(GstBuffer *src, GstColorSpaceParameters *params);
-static GstBuffer *gst_colorspace_yuv420P_to_bgr24(GstBuffer *src, GstColorSpaceParameters *params);
-static GstBuffer *gst_colorspace_yuv420P_to_rgb16(GstBuffer *src, GstColorSpaceParameters *params);
-static GstBuffer *gst_colorspace_yuv420P_to_bgr16_mmx(GstBuffer *src, GstColorSpaceParameters *params);
-
-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);
-static 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(GstColorSpace src, GstColorSpace dest) {
- GST_DEBUG (0,"gst_colorspace_yuv2rgb_get_converter %d\n", dest);
- switch(src) {
- case GST_COLORSPACE_YUV420P:
- switch(dest) {
- case GST_COLORSPACE_BGR32:
- //return gst_colorspace_yuv420P_to_bgr32;
- return gst_colorspace_yuv420P_to_bgr32_mmx;
- case GST_COLORSPACE_RGB32:
- return gst_colorspace_yuv420P_to_rgb32;
- case GST_COLORSPACE_RGB24:
- return gst_colorspace_yuv420P_to_rgb24;
- case GST_COLORSPACE_BGR24:
- return gst_colorspace_yuv420P_to_bgr24;
- case GST_COLORSPACE_RGB555:
- case GST_COLORSPACE_RGB565:
- case GST_COLORSPACE_BGR555:
- return gst_colorspace_yuv420P_to_rgb16;
- case GST_COLORSPACE_BGR565:
- return gst_colorspace_yuv420P_to_bgr16_mmx;
- default:
- break;
- }
- break;
- default:
- break;
- }
- g_print("gst_colorspace_yuv2rgb not implemented\n");
- return NULL;
-}
-
-static GstBuffer *gst_colorspace_yuv420P_to_bgr32(GstBuffer *src, GstColorSpaceParameters *params) {
- static GstColorSpaceYUVTables *color_tables = NULL;
- int size;
- GstBuffer *buf = NULL;
- guchar *out;
- GST_DEBUG (0,"gst_colorspace_yuv420P_to_bgr32\n");
-
- g_return_val_if_fail(params != NULL, NULL);
-
- if (color_tables == NULL) {
- color_tables = gst_colorspace_init_yuv(32, 0xFF0000, 0x00FF00, 0x0000FF);
- }
- size = params->width * params->height;
- if (params->outbuf == NULL) {
- buf = gst_buffer_new();
- out = GST_BUFFER_DATA(buf) = g_malloc(size * 4);
- GST_BUFFER_SIZE(buf) = size * 4;
- }
- else out = params->outbuf;
-
- gst_colorspace_yuv_to_rgb32(color_tables,
- GST_BUFFER_DATA(src), // Y component
- GST_BUFFER_DATA(src)+size, // cr component
- GST_BUFFER_DATA(src)+size+(size>>2), // cb component
- out,
- params->height,
- params->width);
-
- if (buf) {
- gst_buffer_unref(src);
- return buf;
- }
- else return src;
-}
-
-static GstBuffer *gst_colorspace_yuv420P_to_rgb32(GstBuffer *src, GstColorSpaceParameters *params) {
- static GstColorSpaceYUVTables *color_tables = NULL;
- int size;
- GstBuffer *buf = NULL;
- guchar *out;
- GST_DEBUG (0,"gst_colorspace_yuv420P_to_rgb32\n");
-
- g_return_val_if_fail(params != NULL, NULL);
-
- if (color_tables == NULL) {
- color_tables = gst_colorspace_init_yuv(32, 0x0000FF, 0x00FF00, 0xFF0000);
- }
- size = params->width * params->height;
- if (params->outbuf == NULL) {
- buf = gst_buffer_new();
- out = GST_BUFFER_DATA(buf) = g_malloc(size * 4);
- GST_BUFFER_SIZE(buf) = size * 4;
- }
- else out = params->outbuf;
-
- gst_colorspace_yuv_to_rgb32(color_tables,
- GST_BUFFER_DATA(src), // Y component
- GST_BUFFER_DATA(src)+size, // cr component
- GST_BUFFER_DATA(src)+size+(size>>2), // cb component
- out,
- params->height,
- params->width);
-
- if (buf) {
- gst_buffer_unref(src);
- return buf;
- }
- else return src;
-}
-
-static GstBuffer *gst_colorspace_yuv420P_to_bgr24(GstBuffer *src, GstColorSpaceParameters *params) {
- static GstColorSpaceYUVTables *color_tables = NULL;
- int size;
- GstBuffer *buf = NULL;
- guchar *out;
- GST_DEBUG (0,"gst_colorspace_yuv420P_to_bgr24\n");
-
- g_return_val_if_fail(params != NULL, NULL);
-
- if (color_tables == NULL) {
- color_tables = gst_colorspace_init_yuv(24, 0xFF0000, 0x00FF00, 0x0000FF);
- }
- size = params->width * params->height;
- if (params->outbuf == NULL) {
- buf = gst_buffer_new();
- out = GST_BUFFER_DATA(buf) = g_malloc(size * 3);
- GST_BUFFER_SIZE(buf) = size * 3;
- }
- else out = params->outbuf;
-
- gst_colorspace_yuv_to_rgb24(color_tables,
- GST_BUFFER_DATA(src), // Y component
- GST_BUFFER_DATA(src)+size, // cr component
- GST_BUFFER_DATA(src)+size+(size>>2), // cb component
- out,
- params->height,
- params->width);
- if (buf) {
- gst_buffer_unref(src);
- return buf;
- }
- else return src;
-}
-
-static GstBuffer *gst_colorspace_yuv420P_to_rgb24(GstBuffer *src, GstColorSpaceParameters *params) {
- static GstColorSpaceYUVTables *color_tables = NULL;
- int size;
- GstBuffer *buf = NULL;
- guchar *out;
- GST_DEBUG (0,"gst_colorspace_yuv420P_to_rgb24\n");
-
- g_return_val_if_fail(params != NULL, NULL);
-
- if (color_tables == NULL) {
- color_tables = gst_colorspace_init_yuv(24, 0x0000FF, 0x00FF00, 0xFF0000);
- }
- size = params->width * params->height;
- if (params->outbuf == NULL) {
- buf = gst_buffer_new();
- out = GST_BUFFER_DATA(buf) = g_malloc(size * 3);
- GST_BUFFER_SIZE(buf) = size * 3;
- }
- else out = params->outbuf;
-
- gst_colorspace_yuv_to_rgb24(color_tables,
- GST_BUFFER_DATA(src), // Y component
- GST_BUFFER_DATA(src)+size, // cr component
- GST_BUFFER_DATA(src)+size+(size>>2), // cb component
- out,
- params->height,
- params->width);
-
- if (buf) {
- gst_buffer_unref(src);
- return buf;
- }
- else return src;
-}
-
-static GstBuffer *gst_colorspace_yuv420P_to_rgb16(GstBuffer *src, GstColorSpaceParameters *params) {
- static GstColorSpaceYUVTables *color_tables = NULL;
- int size;
- GST_DEBUG (0,"gst_colorspace_yuv420P_to_rgb16\n");
-
- g_return_val_if_fail(params != NULL, NULL);
- g_return_val_if_fail(params->visual != NULL, NULL);
-
- if (color_tables == NULL) {
- color_tables = gst_colorspace_init_yuv(16, params->visual->red_mask, params->visual->green_mask, params->visual->blue_mask);
- }
- size = params->width * params->height;
-
- gst_colorspace_yuv_to_rgb16(color_tables,
- GST_BUFFER_DATA(src), // Y component
- GST_BUFFER_DATA(src)+size, // cr component
- GST_BUFFER_DATA(src)+size+(size>>2), // cb component
- params->outbuf,
- params->height,
- params->width);
-
- return src;
-}
-
-#ifdef HAVE_LIBMMX
-static mmx_t MMX16_redmask = (mmx_t)(long long)0xf800f800f800f800LL; //dd 07c00 7c00h, 07c007c00h
-static mmx_t MMX16_grnmask = (mmx_t)(long long)0x07e007e007e007e0LL; //dd 003e0 03e0h, 003e003e0h
-
-static GstBuffer *gst_colorspace_yuv420P_to_bgr32_mmx(GstBuffer *src, GstColorSpaceParameters *params) {
- int size;
- GstBuffer *buf = NULL;
- guchar *out;
- GST_DEBUG (0,"gst_colorspace_yuv420P_to_rgb32_mmx\n");
-
- g_return_val_if_fail(params != NULL, NULL);
-
- size = params->width * params->height;
- if (params->outbuf == NULL) {
- buf = gst_buffer_new();
- out = GST_BUFFER_DATA(buf) = g_malloc(size * 4);
- GST_BUFFER_SIZE(buf) = size * 4;
- }
- else out = params->outbuf;
-
- gst_colorspace_yuv_to_bgr32_mmx(NULL,
- GST_BUFFER_DATA(src), // Y component
- GST_BUFFER_DATA(src)+size, // cr component
- GST_BUFFER_DATA(src)+size+(size>>2), // cb component
- out,
- params->height,
- params->width);
-
- if (buf) {
- gst_buffer_unref(src);
- return buf;
- }
- else return src;
-}
-static GstBuffer *gst_colorspace_yuv420P_to_bgr16_mmx(GstBuffer *src, GstColorSpaceParameters *params) {
- int size;
- GST_DEBUG (0,"gst_colorspace_yuv420P_to_bgr16_mmx \n");
-
- g_return_val_if_fail(params != NULL, NULL);
-
- size = params->width * params->height;
-
- gst_colorspace_yuv_to_bgr16_mmx(NULL,
- GST_BUFFER_DATA(src), // Y component
- GST_BUFFER_DATA(src)+size, // cr component
- GST_BUFFER_DATA(src)+size+(size>>2), // cb component
- params->outbuf,
- params->height,
- params->width);
-
- return src;
-}
-#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, cr, cb, 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, cr, cb, 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, cr, cb, 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 MMX16_Vredcoeff = (mmx_t)(long long)0x0066006600660066LL; //dd 00066 0066h, 000660066h
-static mmx_t MMX16_Ublucoeff = (mmx_t)(long long)0x0081008100810081LL; //dd 00081 0081h, 000810081h
-static mmx_t MMX16_Ugrncoeff = (mmx_t)(long long)0xffe8ffe8ffe8ffe8LL; //dd 0FFE7 FFE7h, 0FFE7FFE7h
-static mmx_t MMX16_Vgrncoeff = (mmx_t)(long long)0xffcdffcdffcdffcdLL; //dd 0FFCC FFCCh, 0FFCCFFCCh
-
-static mmx_t MMX16_Ycoeff = (mmx_t)(long long)0x004a004a004a004aLL; //dd 0004A 004Ah, 0004A004Ah
-
-
-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_bgr16_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;
-
-{
- unsigned short *row1 = (unsigned short* )out; // 32 bit target
- int cols8 = cols>>3;
-
- int y, x;
-
- for (y=rows>>1; y; y--) {
- for (x=cols8; x; x--) {
-
- movd_m2r(*(mmx_t *)cb, mm0); // 4 Cb 0 0 0 0 u3 u2 u1 u0
- pxor_r2r(mm7, mm7);
- movd_m2r(*(mmx_t *)cr, mm1); // 4 Cr 0 0 0 0 v3 v2 v1 v0
- punpcklbw_r2r(mm7, mm0); // 4 W cb 0 u3 0 u2 0 u1 0 u0
- punpcklbw_r2r(mm7, mm1); // 4 W cr 0 v3 0 v2 0 v1 0 v0
- psubw_m2r(MMX_80w, mm0);
- psubw_m2r(MMX_80w, mm1);
- movq_r2r(mm0, mm2); // Cb 0 u3 0 u2 0 u1 0 u0
- movq_r2r(mm1, mm3); // Cr
- pmullw_m2r(MMX16_Ugrncoeff, mm2); // Cb2green 0 R3 0 R2 0 R1 0 R0
- movq_m2r(*(mmx_t *)lum, mm6); // L1 l7 L6 L5 L4 L3 L2 L1 L0
- pmullw_m2r(MMX16_Ublucoeff, mm0); // Cb2blue
- pand_m2r(MMX_00FFw, mm6); // L1 00 L6 00 L4 00 L2 00 L0
- pmullw_m2r(MMX16_Vgrncoeff, mm3); // Cr2green
- movq_m2r(*(mmx_t *)lum, mm7); // L2
- pmullw_m2r(MMX16_Vredcoeff, mm1); // Cr2red
- // "psubw MMX_10w, %%mm6\n"
- psrlw_i2r(8, mm7); // L2 00 L7 00 L5 00 L3 00 L1
- pmullw_m2r(MMX16_Ycoeff, mm6); // lum1
- // "psubw MMX_10w, %%mm7\n" // L2
- paddw_r2r(mm3, mm2); // Cb2green + Cr2green == green
- pmullw_m2r(MMX16_Ycoeff, mm7); // lum2
-
- movq_r2r(mm6, mm4); // lum1
- paddw_r2r(mm0, mm6); // lum1 +blue 00 B6 00 B4 00 B2 00 B0
- movq_r2r(mm4, mm5); // lum1
- paddw_r2r(mm1, mm4); // lum1 +red 00 R6 00 R4 00 R2 00 R0
- paddw_r2r(mm2, mm5); // lum1 +green 00 G6 00 G4 00 G2 00 G0
- psraw_i2r(6, mm4); // R1 0 .. 64
- movq_r2r(mm7, mm3); // lum2 00 L7 00 L5 00 L3 00 L1
- psraw_i2r(6, mm5); // G1 - .. +
- paddw_r2r(mm0, mm7); // Lum2 +blue 00 B7 00 B5 00 B3 00 B1
- psraw_i2r(6, mm6); // B1 0 .. 64
- packuswb_r2r(mm4, mm4); // R1 R1
- packuswb_r2r(mm5, mm5); // G1 G1
- packuswb_r2r(mm6, mm6); // B1 B1
- punpcklbw_r2r(mm4, mm4);
- punpcklbw_r2r(mm5, mm5);
-
- pand_m2r(MMX16_redmask, mm4);
- psllw_i2r(3, mm5); // GREEN 1
- punpcklbw_r2r(mm6, mm6);
- pand_m2r(MMX16_grnmask, mm5);
- pand_m2r(MMX16_redmask, mm6);
- por_r2r(mm5, mm4); //
- psrlw_i2r(11, mm6); // BLUE 1
- movq_r2r(mm3, mm5); // lum2
- paddw_r2r(mm1, mm3); // lum2 +red 00 R7 00 R5 00 R3 00 R1
- paddw_r2r(mm2, mm5); // lum2 +green 00 G7 00 G5 00 G3 00 G1
- psraw_i2r(6, mm3); // R2
- por_r2r(mm6, mm4); // MM4
- psraw_i2r(6, mm5); // G2
- movq_m2r(*(mmx_t *)(lum+cols), mm6); // L3 load lum2
- psraw_i2r(6, mm7);
- packuswb_r2r(mm3, mm3);
- packuswb_r2r(mm5, mm5);
- packuswb_r2r(mm7, mm7);
- pand_m2r(MMX_00FFw, mm6); // L3
- punpcklbw_r2r(mm3, mm3);
- // "psubw MMX_10w, %%mm6\n" // L3
- punpcklbw_r2r(mm5, mm5);
- pmullw_m2r(MMX16_Ycoeff, mm6); // lum3
- punpcklbw_r2r(mm7, mm7);
- psllw_i2r(3, mm5); // GREEN 2
- pand_m2r(MMX16_redmask, mm7);
- pand_m2r(MMX16_redmask, mm3);
- psrlw_i2r(11, mm7); // BLUE 2
- pand_m2r(MMX16_grnmask, mm5);
- por_r2r(mm7, mm3);
- movq_m2r(*(mmx_t *)(lum+cols), mm7); // L4 load lum2
- por_r2r(mm5, mm3); //
- psrlw_i2r(8, mm7); // L4
- movq_r2r(mm4, mm5);
- // "psubw MMX_10w, %%mm7\n" // L4
- punpcklwd_r2r(mm3, mm4);
- pmullw_m2r(MMX16_Ycoeff, mm7); // lum4
- punpckhwd_r2r(mm3, mm5);
-
- movq_r2m(mm4, *(row1)); // write row1
- movq_r2m(mm5, *(row1+4)); // write row1
-
- movq_r2r(mm6, mm4); // Lum3
- paddw_r2r(mm0, mm6); // Lum3 +blue
-
- movq_r2r(mm4, mm5); // Lum3
- paddw_r2r(mm1, mm4); // Lum3 +red
- paddw_r2r(mm2, mm5); // Lum3 +green
- psraw_i2r(6, mm4);
- movq_r2r(mm7, mm3); // Lum4
- psraw_i2r(6, mm5);
- paddw_r2r(mm0, mm7); // Lum4 +blue
- psraw_i2r(6, mm6); // Lum3 +blue
- movq_r2r(mm3, mm0); // Lum4
- packuswb_r2r(mm4, mm4);
- paddw_r2r(mm1, mm3); // Lum4 +red
- packuswb_r2r(mm5, mm5);
- paddw_r2r(mm2, mm0); // Lum4 +green
- packuswb_r2r(mm6, mm6);
- punpcklbw_r2r(mm4, mm4);
- punpcklbw_r2r(mm5, mm5);
- punpcklbw_r2r(mm6, mm6);
- psllw_i2r(3, mm5); // GREEN 3
- pand_m2r(MMX16_redmask, mm4);
- psraw_i2r(6, mm3); // psr 6
- psraw_i2r(6, mm0);
- pand_m2r(MMX16_redmask, mm6); // BLUE
- pand_m2r(MMX16_grnmask, mm5);
- psrlw_i2r(11, mm6); // BLUE 3
- por_r2r(mm5, mm4);
- psraw_i2r(6, mm7);
- por_r2r(mm6, mm4);
- packuswb_r2r(mm3, mm3);
- packuswb_r2r(mm0, mm0);
- packuswb_r2r(mm7, mm7);
- punpcklbw_r2r(mm3, mm3);
- punpcklbw_r2r(mm0, mm0);
- punpcklbw_r2r(mm7, mm7);
- pand_m2r(MMX16_redmask, mm3);
- pand_m2r(MMX16_redmask, mm7); // BLUE
- psllw_i2r(3, mm0); // GREEN 4
- psrlw_i2r(11, mm7);
- pand_m2r(MMX16_grnmask, mm0);
- por_r2r(mm7, mm3);
- por_r2r(mm0, mm3);
-
- movq_r2r(mm4, mm5);
-
- punpcklwd_r2r(mm3, mm4);
- punpckhwd_r2r(mm3, mm5);
-
- movq_r2m(mm4, *(row1+cols));
- movq_r2m(mm5, *(row1+cols+4));
-
- lum+=8;
- cr+=4;
- cb+=4;
- row1 +=8;
- }
- lum += cols;
- row1 += cols;
- }
-
- emms();
-
-}
-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 *)cr, 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 *)cb, 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
-
projects / platform / upstream / gstreamer.git / commitdiff