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-rw-r--r--ext/hermes/yuv2rgb.c925
1 files changed, 0 insertions, 925 deletions
diff --git a/ext/hermes/yuv2rgb.c b/ext/hermes/yuv2rgb.c
deleted file mode 100644
index b3b1b494..00000000
--- a/ext/hermes/yuv2rgb.c
+++ /dev/null
@@ -1,925 +0,0 @@
-/* GStreamer
- * 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"
-
-/* #define 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_I420_to_rgb16 (GstColorSpaceConverter *space, unsigned char *src, unsigned char *dest);
-static void gst_colorspace_I420_to_rgb24 (GstColorSpaceConverter *space, unsigned char *src, unsigned char *dest);
-static void gst_colorspace_I420_to_rgb32 (GstColorSpaceConverter *space, unsigned char *src, unsigned char *dest);
-#ifdef HAVE_LIBMMX
-static void gst_colorspace_I420_to_bgr16_mmx (GstColorSpaceConverter *space, unsigned char *src, unsigned char *dest);
-static void gst_colorspace_I420_to_bgr32_mmx (GstColorSpaceConverter *space, unsigned char *src, unsigned char *dest);
-#endif
-
-static void gst_colorspace_YV12_to_rgb16 (GstColorSpaceConverter *space, unsigned char *src, unsigned char *dest);
-static void gst_colorspace_YV12_to_rgb24 (GstColorSpaceConverter *space, unsigned char *src, unsigned char *dest);
-static void gst_colorspace_YV12_to_rgb32 (GstColorSpaceConverter *space, unsigned char *src, unsigned char *dest);
-#ifdef HAVE_LIBMMX
-static void gst_colorspace_YV12_to_bgr16_mmx (GstColorSpaceConverter *space, unsigned char *src, unsigned char *dest);
-static void gst_colorspace_YV12_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 (const GstCaps *from, const GstCaps *to)
-{
- guint32 from_space;
- GstColorSpaceConverter *new;
- gint to_bpp;
- GstStructure *struct_from, *struct_to;
-
- GST_DEBUG ("gst_colorspace_yuv2rgb_get_converter");
-
- new = g_malloc (sizeof (GstColorSpaceConverter));
-
- struct_from = gst_caps_get_structure (from, 0);
- struct_to = gst_caps_get_structure (to, 0);
-
- gst_structure_get_int (struct_from, "width", &new->width);
- gst_structure_get_int (struct_from, "height", &new->height);
- new->color_tables = NULL;
-
- gst_structure_get_fourcc (struct_from, "format", &from_space);
- gst_structure_get_int (struct_to, "bpp", &to_bpp);
-
- /* FIXME we leak new here. */
-
- switch(from_space) {
- case GST_MAKE_FOURCC ('Y','V','1','2'):
- case GST_MAKE_FOURCC ('I','4','2','0'):
- {
- gint red_mask;
- gint green_mask;
- gint blue_mask;
-
- gst_structure_get_int (struct_to, "red_mask", &red_mask);
- gst_structure_get_int (struct_to, "green_mask", &green_mask);
- gst_structure_get_int (struct_to, "blue_mask", &blue_mask);
-
- GST_INFO ( "red_mask %08x", red_mask);
- GST_INFO ( "green_mask %08x", green_mask);
- GST_INFO ( "blue_mask %08x", 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 && blue_mask == 0x0000ff &&
- (gst_cpu_get_flags () & GST_CPU_FLAG_MMX) ) {
- if (from_space == GST_STR_FOURCC ("I420"))
- new->convert = gst_colorspace_I420_to_bgr32_mmx;
- else
- new->convert = gst_colorspace_YV12_to_bgr32_mmx;
- }
- else
-#endif
- if (from_space == GST_STR_FOURCC ("I420"))
- new->convert = gst_colorspace_I420_to_rgb32;
- else
- new->convert = gst_colorspace_YV12_to_rgb32;
- break;
- case 24:
- if (from_space == GST_STR_FOURCC ("I420"))
- new->convert = gst_colorspace_I420_to_rgb24;
- else
- new->convert = gst_colorspace_YV12_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) ) {
- if (from_space == GST_STR_FOURCC ("I420"))
- new->convert = gst_colorspace_I420_to_bgr16_mmx;
- else
- new->convert = gst_colorspace_YV12_to_bgr16_mmx;
- }
- else
-#endif
- if (from_space == GST_STR_FOURCC ("I420"))
- new->convert = gst_colorspace_I420_to_rgb16;
- else
- new->convert = gst_colorspace_YV12_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;
-}
-
-void
-gst_colorspace_converter_destroy (GstColorSpaceConverter *conv)
-{
- if (conv)
- g_free (conv);
-}
-
-static void gst_colorspace_I420_to_rgb32(GstColorSpaceConverter *space, unsigned char *src, unsigned char *dest)
-{
- int size;
- GST_DEBUG ("gst_colorspace_I420_to_rgb32");
-
- 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_I420_to_rgb24(GstColorSpaceConverter *space, unsigned char *src, unsigned char *dest) {
- int size;
- GST_DEBUG ("gst_colorspace_I420_to_rgb24");
-
- 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_I420_to_rgb16(GstColorSpaceConverter *space, unsigned char *src, unsigned char *dest) {
- int size;
- GST_DEBUG ("gst_colorspace_I420_to_rgb16");
-
- 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_I420_to_bgr32_mmx(GstColorSpaceConverter *space, unsigned char *src, unsigned char *dest) {
- int size;
- GST_DEBUG ("gst_colorspace_I420_to_rgb32_mmx");
-
- 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_I420_to_bgr16_mmx(GstColorSpaceConverter *space, unsigned char *src, unsigned char *dest) {
- int size;
- GST_DEBUG ("gst_colorspace_I420_to_bgr16_mmx ");
-
- 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 ("gst_colorspace_I420_to_bgr16_mmx done");
-
-}
-#endif
-
-
-static void gst_colorspace_YV12_to_rgb32(GstColorSpaceConverter *space, unsigned char *src, unsigned char *dest)
-{
- int size;
- GST_DEBUG ("gst_colorspace_YV12_to_rgb32");
-
- size = space->width * space->height;
-
- gst_colorspace_yuv_to_rgb32(space->color_tables,
- src, /* Y component */
- src+size+(size>>2), /* cb component */
- src+size, /* cr component */
- dest,
- space->height,
- space->width);
-
-}
-
-static void gst_colorspace_YV12_to_rgb24(GstColorSpaceConverter *space, unsigned char *src, unsigned char *dest) {
- int size;
- GST_DEBUG ("gst_colorspace_YV12_to_rgb24");
-
- size = space->width * space->height;
-
- gst_colorspace_yuv_to_rgb24(space->color_tables,
- src, /* Y component */
- src+size+(size>>2), /* cb component */
- src+size, /* cr component */
- dest,
- space->height,
- space->width);
-
-}
-
-static void gst_colorspace_YV12_to_rgb16(GstColorSpaceConverter *space, unsigned char *src, unsigned char *dest) {
- int size;
- GST_DEBUG ("gst_colorspace_YV12_to_rgb16");
-
- size = space->width * space->height;
-
- gst_colorspace_yuv_to_rgb16(space->color_tables,
- src, /* Y component */
- src+size+(size>>2), /* cb component */
- src+size, /* cr component */
- dest,
- space->height,
- space->width);
-
-}
-
-#ifdef HAVE_LIBMMX
-static void gst_colorspace_YV12_to_bgr32_mmx(GstColorSpaceConverter *space, unsigned char *src, unsigned char *dest) {
- int size;
- GST_DEBUG ("gst_colorspace_YV12_to_rgb32_mmx");
-
- size = space->width * space->height;
-
- gst_colorspace_yuv_to_bgr32_mmx(NULL,
- src, /* Y component */
- src+size+(size>>2), /* cb component */
- src+size, /* cr component */
- dest,
- space->height,
- space->width);
-
-}
-static void gst_colorspace_YV12_to_bgr16_mmx(GstColorSpaceConverter *space, unsigned char *src, unsigned char *dest) {
- int size;
- GST_DEBUG ("gst_colorspace_YV12_to_bgr16_mmx ");
-
- size = space->width * space->height;
-
- gst_colorspace_yuv_to_bgr16_mmx(NULL,
- src, /* Y component */
- src+size+(size>>2), /* cb component */
- src+size, /* cr component */
- dest,
- space->height,
- space->width);
- GST_DEBUG ("gst_colorspace_YV12_to_bgr16_mmx done");
-
-}
-#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));
-}
-
-/*
- * 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
-
generated by cgit v1.2.1 (git 2.18.0) at 2024-07-02 02:57:15 +0000