mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-13 04:41:16 +00:00
716 lines
23 KiB
C
716 lines
23 KiB
C
/* 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.
|
|
*/
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
#include "config.h"
|
|
#endif
|
|
|
|
#include <math.h>
|
|
#include <stdlib.h>
|
|
|
|
#include "yuv2rgb.h"
|
|
|
|
#undef HAVE_LIBMMX
|
|
|
|
#ifdef HAVE_LIBMMX
|
|
#include <mmx.h>
|
|
#endif
|
|
|
|
static int V_r_tab[256];
|
|
static int V_g_tab[256];
|
|
static int U_g_tab[256];
|
|
static int U_b_tab[256];
|
|
|
|
#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)))
|
|
|
|
|
|
void gst_colorspace_I420_to_rgb16 (GstColorspace * space, unsigned char *src,
|
|
unsigned char *dest);
|
|
void gst_colorspace_I420_to_rgb24 (GstColorspace * space, unsigned char *src,
|
|
unsigned char *dest);
|
|
void gst_colorspace_I420_to_rgb32 (GstColorspace * space, unsigned char *src,
|
|
unsigned char *dest);
|
|
#ifdef HAVE_LIBMMX
|
|
void gst_colorspace_I420_to_bgr16_mmx (GstColorspace * space,
|
|
unsigned char *src, unsigned char *dest);
|
|
void gst_colorspace_I420_to_bgr32_mmx (GstColorspace * space,
|
|
unsigned char *src, unsigned char *dest);
|
|
#endif
|
|
|
|
void gst_colorspace_YV12_to_rgb16 (GstColorspace * space, unsigned char *src,
|
|
unsigned char *dest);
|
|
void gst_colorspace_YV12_to_rgb24 (GstColorspace * space, unsigned char *src,
|
|
unsigned char *dest);
|
|
void gst_colorspace_YV12_to_rgb32 (GstColorspace * space, unsigned char *src,
|
|
unsigned char *dest);
|
|
#ifdef HAVE_LIBMMX
|
|
void gst_colorspace_YV12_to_bgr16_mmx (GstColorspace * space,
|
|
unsigned char *src, unsigned char *dest);
|
|
void gst_colorspace_YV12_to_bgr32_mmx (GstColorspace * space,
|
|
unsigned char *src, unsigned char *dest);
|
|
#endif
|
|
|
|
static void
|
|
gst_colorspace_yuv_to_rgb16 (GstColorspace * space,
|
|
unsigned char *out,
|
|
unsigned char *lum,
|
|
unsigned char *cr, unsigned char *cb, int cols, int rows);
|
|
static void
|
|
gst_colorspace_yuv_to_rgb24 (GstColorspace * space,
|
|
unsigned char *out,
|
|
unsigned char *lum,
|
|
unsigned char *cr, unsigned char *cb, int cols, int rows);
|
|
static void
|
|
gst_colorspace_yuv_to_rgb32 (GstColorspace * space,
|
|
unsigned char *out,
|
|
unsigned char *lum,
|
|
unsigned char *cr, unsigned char *cb, int cols, int rows);
|
|
#if 0
|
|
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
|
|
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
|
|
#endif
|
|
|
|
#define ROUND_UP_2(x) (((x)+1)&~1)
|
|
#define ROUND_UP_4(x) (((x)+3)&~3)
|
|
#define ROUND_UP_8(x) (((x)+7)&~7)
|
|
|
|
|
|
void
|
|
gst_colorspace_I420_to_rgb32 (GstColorspace * space, unsigned char *dest,
|
|
unsigned char *src)
|
|
{
|
|
unsigned char *src_U;
|
|
unsigned char *src_V;
|
|
|
|
src_U = src + ROUND_UP_4 (space->width) * ROUND_UP_2 (space->height);
|
|
src_V =
|
|
src_U + ROUND_UP_8 (space->width) / 2 * ROUND_UP_2 (space->height) / 2;
|
|
|
|
gst_colorspace_yuv_to_rgb32 (space,
|
|
dest, src, src_U, src_V, space->width, space->height);
|
|
}
|
|
|
|
void
|
|
gst_colorspace_I420_to_rgb24 (GstColorspace * space, unsigned char *dest,
|
|
unsigned char *src)
|
|
{
|
|
unsigned char *src_U;
|
|
unsigned char *src_V;
|
|
|
|
src_U = src + ROUND_UP_4 (space->width) * ROUND_UP_2 (space->height);
|
|
src_V =
|
|
src_U + ROUND_UP_8 (space->width) / 2 * ROUND_UP_2 (space->height) / 2;
|
|
|
|
gst_colorspace_yuv_to_rgb24 (space,
|
|
dest, src, src_U, src_V, space->width, space->height);
|
|
}
|
|
|
|
void
|
|
gst_colorspace_I420_to_rgb16 (GstColorspace * space, unsigned char *dest,
|
|
unsigned char *src)
|
|
{
|
|
unsigned char *src_U;
|
|
unsigned char *src_V;
|
|
|
|
src_U = src + ROUND_UP_4 (space->width) * ROUND_UP_2 (space->height);
|
|
src_V =
|
|
src_U + ROUND_UP_8 (space->width) / 2 * ROUND_UP_2 (space->height) / 2;
|
|
|
|
gst_colorspace_yuv_to_rgb16 (space,
|
|
dest, src, src_U, src_V, space->width, space->height);
|
|
}
|
|
|
|
void
|
|
gst_colorspace_YV12_to_rgb32 (GstColorspace * space, unsigned char *dest,
|
|
unsigned char *src)
|
|
{
|
|
unsigned char *src_U;
|
|
unsigned char *src_V;
|
|
|
|
src_V = src + ROUND_UP_4 (space->width) * ROUND_UP_2 (space->height);
|
|
src_U =
|
|
src_V + ROUND_UP_8 (space->width) / 2 * ROUND_UP_2 (space->height) / 2;
|
|
|
|
gst_colorspace_yuv_to_rgb32 (space,
|
|
dest, src, src_U, src_V, space->width, space->height);
|
|
}
|
|
|
|
void
|
|
gst_colorspace_YV12_to_rgb24 (GstColorspace * space, unsigned char *dest,
|
|
unsigned char *src)
|
|
{
|
|
unsigned char *src_U;
|
|
unsigned char *src_V;
|
|
|
|
src_V = src + ROUND_UP_4 (space->width) * ROUND_UP_2 (space->height);
|
|
src_U =
|
|
src_V + ROUND_UP_8 (space->width) / 2 * ROUND_UP_2 (space->height) / 2;
|
|
|
|
gst_colorspace_yuv_to_rgb24 (space,
|
|
dest, src, src_U, src_V, space->width, space->height);
|
|
}
|
|
|
|
void
|
|
gst_colorspace_YV12_to_rgb16 (GstColorspace * space, unsigned char *dest,
|
|
unsigned char *src)
|
|
{
|
|
unsigned char *src_U;
|
|
unsigned char *src_V;
|
|
|
|
src_V = src + ROUND_UP_4 (space->width) * ROUND_UP_2 (space->height);
|
|
src_U =
|
|
src_V + ROUND_UP_8 (space->width) / 2 * ROUND_UP_2 (space->height) / 2;
|
|
|
|
gst_colorspace_yuv_to_rgb16 (space,
|
|
dest, src, src_U, src_V, space->width, space->height);
|
|
}
|
|
|
|
#ifdef HAVE_LIBMMX
|
|
void
|
|
gst_colorspace_I420_to_bgr32_mmx (GstColorspace * 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);
|
|
|
|
}
|
|
|
|
void
|
|
gst_colorspace_I420_to_bgr16_mmx (GstColorspace * 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");
|
|
|
|
}
|
|
|
|
void
|
|
gst_colorspace_YV12_to_bgr32_mmx (GstColorspace * 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);
|
|
|
|
}
|
|
|
|
void
|
|
gst_colorspace_YV12_to_bgr16_mmx (GstColorspace * 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.
|
|
*
|
|
*--------------------------------------------------------------
|
|
*/
|
|
|
|
void
|
|
gst_colorspace_table_init (GstColorspace * space)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < 256; i++) {
|
|
V_r_tab[i] = (0.419 / 0.299) * (i - 128);
|
|
V_g_tab[i] = -(0.299 / 0.419) * (i - 128);
|
|
U_g_tab[i] = -(0.114 / 0.331) * (i - 128);
|
|
U_b_tab[i] = (0.587 / 0.331) * (i - 128);
|
|
}
|
|
#if 0
|
|
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;
|
|
long depth = 32;
|
|
long red_mask = 0xff0000;
|
|
long green_mask = 0x00ff00;
|
|
long blue_mask = 0x0000ff;
|
|
|
|
L_tab = space->L_tab = (int *) malloc (256 * sizeof (int));
|
|
Cr_r_tab = space->Cr_r_tab = (int *) malloc (256 * sizeof (int));
|
|
Cr_g_tab = space->Cr_g_tab = (int *) malloc (256 * sizeof (int));
|
|
Cb_g_tab = space->Cb_g_tab = (int *) malloc (256 * sizeof (int));
|
|
Cb_b_tab = space->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];
|
|
}
|
|
|
|
space->r_2_pix = r_2_pix_alloc + 256;
|
|
space->g_2_pix = g_2_pix_alloc + 256;
|
|
space->b_2_pix = b_2_pix_alloc + 256;
|
|
#endif
|
|
}
|
|
|
|
static void
|
|
gst_colorspace_yuv_to_rgb32 (GstColorspace * space,
|
|
unsigned char *dest,
|
|
unsigned char *Y, unsigned char *U, unsigned char *V, int width, int height)
|
|
{
|
|
int x, y;
|
|
int src_rowstride;
|
|
int dest_rowstride;
|
|
|
|
src_rowstride = ROUND_UP_4 (space->width);
|
|
dest_rowstride = width * 4;
|
|
for (y = 0; y < height; y++) {
|
|
for (x = 0; x < width; x++) {
|
|
dest[x * 4 + 0] = 0;
|
|
dest[x * 3 + 1] = CLAMP (Y[x] + V_r_tab[V[x / 2]], 0, 255);
|
|
dest[x * 3 + 2] =
|
|
CLAMP (Y[x] + U_g_tab[U[x / 2]] + V_g_tab[V[x / 2]], 0, 255);
|
|
dest[x * 3 + 3] = CLAMP (Y[x] + U_b_tab[U[x / 2]], 0, 255);
|
|
}
|
|
Y += src_rowstride;
|
|
dest += dest_rowstride;
|
|
if (y & 1) {
|
|
U += src_rowstride / 2;
|
|
V += src_rowstride / 2;
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
gst_colorspace_yuv_to_rgb24 (GstColorspace * space,
|
|
unsigned char *dest,
|
|
unsigned char *Y, unsigned char *U, unsigned char *V, int width, int height)
|
|
{
|
|
int x, y;
|
|
int src_rowstride;
|
|
int dest_rowstride;
|
|
|
|
src_rowstride = ROUND_UP_4 (space->width);
|
|
dest_rowstride = ROUND_UP_4 (width * 3);
|
|
for (y = 0; y < height; y++) {
|
|
for (x = 0; x < width; x++) {
|
|
dest[x * 3 + 0] = CLAMP (Y[x] + V_r_tab[V[x / 2]], 0, 255);
|
|
dest[x * 3 + 1] =
|
|
CLAMP (Y[x] + U_g_tab[U[x / 2]] + V_g_tab[V[x / 2]], 0, 255);
|
|
dest[x * 3 + 2] = CLAMP (Y[x] + U_b_tab[U[x / 2]], 0, 255);
|
|
}
|
|
Y += src_rowstride;
|
|
dest += dest_rowstride;
|
|
if (y & 1) {
|
|
U += src_rowstride / 2;
|
|
V += src_rowstride / 2;
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
gst_colorspace_yuv_to_rgb16 (GstColorspace * space,
|
|
unsigned char *dest,
|
|
unsigned char *Y, unsigned char *U, unsigned char *V, int width, int height)
|
|
{
|
|
int x, y;
|
|
int src_rowstride;
|
|
int dest_rowstride;
|
|
int r, g, b;
|
|
|
|
src_rowstride = ROUND_UP_4 (space->width);
|
|
dest_rowstride = ROUND_UP_4 (width * 2);
|
|
for (y = 0; y < height; y++) {
|
|
for (x = 0; x < width; x++) {
|
|
r = CLAMP (Y[x] + V_r_tab[V[x / 2]], 0, 255);
|
|
g = CLAMP (Y[x] + U_g_tab[U[x / 2]] + V_g_tab[V[x / 2]], 0, 255);
|
|
b = CLAMP (Y[x] + U_b_tab[U[x / 2]], 0, 255);
|
|
*(unsigned short *) (dest + x * 2) =
|
|
((r & 0xf8) << 8) | ((g & 0xfc) << 3) | (b >> 3);
|
|
}
|
|
Y += src_rowstride;
|
|
dest += dest_rowstride;
|
|
if (y & 1) {
|
|
U += src_rowstride / 2;
|
|
V += src_rowstride / 2;
|
|
}
|
|
}
|
|
}
|
|
|
|
#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
|