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Move yuv2rgb to postprocess

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Originally committed as revision 2733 to svn://svn.mplayerhq.hu/mplayer/trunk/postproc
pull/126/head
Nick Kurshev 24 years ago
parent 99d2cb7219
commit 6611aa83de
7 changed files with 936 additions and 3 deletions
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  1. 8
      postproc/Makefile
  2. 3
      postproc/rgb2rgb.c
  3. 16
      postproc/rgb2rgb.h
  4. 3
      postproc/rgb2rgb_template.c
  5. 422
      postproc/yuv2rgb.c
  6. 84
      postproc/yuv2rgb_mlib.c
  7. 403
      postproc/yuv2rgb_template.c

8
postproc/Makefile
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@ -3,10 +3,14 @@ include ../config.mak
LIBNAME = libpostproc.a
SRCS=postprocess.c swscale.c rgb2rgb.c
SRCS=postprocess.c swscale.c rgb2rgb.c yuv2rgb.c
OBJS=$(SRCS:.c=.o)
CFLAGS = $(OPTFLAGS) -I. -I.. -Wall
ifeq ($(TARGET_ARCH_X86),yes)
SRCS += yuv2rgb_mmx.c
endif
CFLAGS = $(OPTFLAGS) $(MLIB_INC) -I. -I.. -Wall
# -I/usr/X11R6/include/
.SUFFIXES: .c .o

3
postproc/rgb2rgb.c
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@ -1,6 +1,9 @@
/*
*
* rgb2rgb.c, Software RGB to RGB convertor
* pluralize by Software PAL8 to RGB convertor
* Software YUV to YUV convertor
* Software YUV to RGB convertor
* Written by Nick Kurshev.
* palette stuff & yuv stuff by Michael
*/

16
postproc/rgb2rgb.h
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@ -1,7 +1,9 @@
/*
*
* rgb2rgb.h, Software RGB to RGB convertor
*
* pluralize by Software PAL8 to RGB convertor
* Software YUV to YUV convertor
* Software YUV to RGB convertor
*/
#ifndef RGB2RGB_INCLUDED
@ -28,4 +30,16 @@ extern void yuy2toyv12(const uint8_t *src, uint8_t *ydst, uint8_t *udst, uint8_t
unsigned int width, unsigned int height,
unsigned int lumStride, unsigned int chromStride, unsigned int srcStride);
#define MODE_RGB 0x1
#define MODE_BGR 0x2
typedef void (* yuv2rgb_fun) (uint8_t * image, uint8_t * py,
uint8_t * pu, uint8_t * pv,
int h_size, int v_size,
int rgb_stride, int y_stride, int uv_stride);
extern yuv2rgb_fun yuv2rgb;
void yuv2rgb_init (int bpp, int mode);
#endif

3
postproc/rgb2rgb_template.c
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@ -1,6 +1,9 @@
/*
*
* rgb2rgb.c, Software RGB to RGB convertor
* pluralize by Software PAL8 to RGB convertor
* Software YUV to YUV convertor
* Software YUV to RGB convertor
* Written by Nick Kurshev.
* palette stuff & yuv stuff by Michael
*/

422
postproc/yuv2rgb.c
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@ -0,0 +1,422 @@
/*
* yuv2rgb.c, Software YUV to RGB coverter
*
* Copyright (C) 1999, Aaron Holtzman <aholtzma@ess.engr.uvic.ca>
* All Rights Reserved.
*
* Functions broken out from display_x11.c and several new modes
* added by Håkan Hjort <d95hjort@dtek.chalmers.se>
*
* 15 & 16 bpp support by Franck Sicard <Franck.Sicard@solsoft.fr>
*
* This file is part of mpeg2dec, a free MPEG-2 video decoder
*
* mpeg2dec is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* mpeg2dec 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GNU Make; see the file COPYING. If not, write to
* the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
*
*/
#include <stdio.h>
#include <stdlib.h>
#include <inttypes.h>
#include "config.h"
//#include "video_out.h"
#include "rgb2rgb.h"
#ifdef HAVE_MLIB
#include "yuv2rgb_mlib.c"
#endif
extern yuv2rgb_fun yuv2rgb_init_mmx (int bpp, int mode);
uint32_t matrix_coefficients = 6;
const int32_t Inverse_Table_6_9[8][4] = {
{117504, 138453, 13954, 34903}, /* no sequence_display_extension */
{117504, 138453, 13954, 34903}, /* ITU-R Rec. 709 (1990) */
{104597, 132201, 25675, 53279}, /* unspecified */
{104597, 132201, 25675, 53279}, /* reserved */
{104448, 132798, 24759, 53109}, /* FCC */
{104597, 132201, 25675, 53279}, /* ITU-R Rec. 624-4 System B, G */
{104597, 132201, 25675, 53279}, /* SMPTE 170M */
{117579, 136230, 16907, 35559} /* SMPTE 240M (1987) */
};
static void yuv2rgb_c_init (int bpp, int mode);
yuv2rgb_fun yuv2rgb;
static void (* yuv2rgb_c_internal) (uint8_t *, uint8_t *,
uint8_t *, uint8_t *,
void *, void *, int);
static void yuv2rgb_c (void * dst, uint8_t * py,
uint8_t * pu, uint8_t * pv,
int h_size, int v_size,
int rgb_stride, int y_stride, int uv_stride)
{
v_size >>= 1;
while (v_size--) {
yuv2rgb_c_internal (py, py + y_stride, pu, pv, dst, dst + rgb_stride,
h_size);
py += 2 * y_stride;
pu += uv_stride;
pv += uv_stride;
dst += 2 * rgb_stride;
}
}
void yuv2rgb_init (int bpp, int mode)
{
yuv2rgb = NULL;
#ifdef HAVE_MMX
if (yuv2rgb == NULL /*&& (config.flags & VO_MMX_ENABLE)*/) {
yuv2rgb = yuv2rgb_init_mmx (bpp, mode);
if (yuv2rgb != NULL)
printf ("Using MMX for colorspace transform\n");
else
printf ("Cannot init MMX colorspace transform\n");
}
#endif
#ifdef HAVE_MLIB
if (yuv2rgb == NULL /*&& (config.flags & VO_MLIB_ENABLE)*/) {
yuv2rgb = yuv2rgb_init_mlib (bpp, mode);
if (yuv2rgb != NULL)
printf ("Using mlib for colorspace transform\n");
}
#endif
if (yuv2rgb == NULL) {
printf ("No accelerated colorspace conversion found\n");
yuv2rgb_c_init (bpp, mode);
yuv2rgb = (yuv2rgb_fun)yuv2rgb_c;
}
}
void * table_rV[256];
void * table_gU[256];
int table_gV[256];
void * table_bU[256];
#define RGB(i) \
U = pu[i]; \
V = pv[i]; \
r = table_rV[V]; \
g = table_gU[U] + table_gV[V]; \
b = table_bU[U];
#define DST1(i) \
Y = py_1[2*i]; \
dst_1[2*i] = r[Y] + g[Y] + b[Y]; \
Y = py_1[2*i+1]; \
dst_1[2*i+1] = r[Y] + g[Y] + b[Y];
#define DST2(i) \
Y = py_2[2*i]; \
dst_2[2*i] = r[Y] + g[Y] + b[Y]; \
Y = py_2[2*i+1]; \
dst_2[2*i+1] = r[Y] + g[Y] + b[Y];
#define DST1RGB(i) \
Y = py_1[2*i]; \
dst_1[6*i] = r[Y]; dst_1[6*i+1] = g[Y]; dst_1[6*i+2] = b[Y]; \
Y = py_1[2*i+1]; \
dst_1[6*i+3] = r[Y]; dst_1[6*i+4] = g[Y]; dst_1[6*i+5] = b[Y];
#define DST2RGB(i) \
Y = py_2[2*i]; \
dst_2[6*i] = r[Y]; dst_2[6*i+1] = g[Y]; dst_2[6*i+2] = b[Y]; \
Y = py_2[2*i+1]; \
dst_2[6*i+3] = r[Y]; dst_2[6*i+4] = g[Y]; dst_2[6*i+5] = b[Y];
#define DST1BGR(i) \
Y = py_1[2*i]; \
dst_1[6*i] = b[Y]; dst_1[6*i+1] = g[Y]; dst_1[6*i+2] = r[Y]; \
Y = py_1[2*i+1]; \
dst_1[6*i+3] = b[Y]; dst_1[6*i+4] = g[Y]; dst_1[6*i+5] = r[Y];
#define DST2BGR(i) \
Y = py_2[2*i]; \
dst_2[6*i] = b[Y]; dst_2[6*i+1] = g[Y]; dst_2[6*i+2] = r[Y]; \
Y = py_2[2*i+1]; \
dst_2[6*i+3] = b[Y]; dst_2[6*i+4] = g[Y]; dst_2[6*i+5] = r[Y];
static void yuv2rgb_c_32 (uint8_t * py_1, uint8_t * py_2,
uint8_t * pu, uint8_t * pv,
void * _dst_1, void * _dst_2, int h_size)
{
int U, V, Y;
uint32_t * r, * g, * b;
uint32_t * dst_1, * dst_2;
h_size >>= 3;
dst_1 = _dst_1;
dst_2 = _dst_2;
while (h_size--) {
RGB(0);
DST1(0);
DST2(0);
RGB(1);
DST2(1);
DST1(1);
RGB(2);
DST1(2);
DST2(2);
RGB(3);
DST2(3);
DST1(3);
pu += 4;
pv += 4;
py_1 += 8;
py_2 += 8;
dst_1 += 8;
dst_2 += 8;
}
}
// This is very near from the yuv2rgb_c_32 code
static void yuv2rgb_c_24_rgb (uint8_t * py_1, uint8_t * py_2,
uint8_t * pu, uint8_t * pv,
void * _dst_1, void * _dst_2, int h_size)
{
int U, V, Y;
uint8_t * r, * g, * b;
uint8_t * dst_1, * dst_2;
h_size >>= 3;
dst_1 = _dst_1;
dst_2 = _dst_2;
while (h_size--) {
RGB(0);
DST1RGB(0);
DST2RGB(0);
RGB(1);
DST2RGB(1);
DST1RGB(1);
RGB(2);
DST1RGB(2);
DST2RGB(2);
RGB(3);
DST2RGB(3);
DST1RGB(3);
pu += 4;
pv += 4;
py_1 += 8;
py_2 += 8;
dst_1 += 24;
dst_2 += 24;
}
}
// only trivial mods from yuv2rgb_c_24_rgb
static void yuv2rgb_c_24_bgr (uint8_t * py_1, uint8_t * py_2,
uint8_t * pu, uint8_t * pv,
void * _dst_1, void * _dst_2, int h_size)
{
int U, V, Y;
uint8_t * r, * g, * b;
uint8_t * dst_1, * dst_2;
h_size >>= 3;
dst_1 = _dst_1;
dst_2 = _dst_2;
while (h_size--) {
RGB(0);
DST1BGR(0);
DST2BGR(0);
RGB(1);
DST2BGR(1);
DST1BGR(1);
RGB(2);
DST1BGR(2);
DST2BGR(2);
RGB(3);
DST2BGR(3);
DST1BGR(3);
pu += 4;
pv += 4;
py_1 += 8;
py_2 += 8;
dst_1 += 24;
dst_2 += 24;
}
}
// This is exactly the same code as yuv2rgb_c_32 except for the types of
// r, g, b, dst_1, dst_2
static void yuv2rgb_c_16 (uint8_t * py_1, uint8_t * py_2,
uint8_t * pu, uint8_t * pv,
void * _dst_1, void * _dst_2, int h_size)
{
int U, V, Y;
uint16_t * r, * g, * b;
uint16_t * dst_1, * dst_2;
h_size >>= 3;
dst_1 = _dst_1;
dst_2 = _dst_2;
while (h_size--) {
RGB(0);
DST1(0);
DST2(0);
RGB(1);
DST2(1);
DST1(1);
RGB(2);
DST1(2);
DST2(2);
RGB(3);
DST2(3);
DST1(3);
pu += 4;
pv += 4;
py_1 += 8;
py_2 += 8;
dst_1 += 8;
dst_2 += 8;
}
}
static int div_round (int dividend, int divisor)
{
if (dividend > 0)
return (dividend + (divisor>>1)) / divisor;
else
return -((-dividend + (divisor>>1)) / divisor);
}
static void yuv2rgb_c_init (int bpp, int mode)
{
int i;
uint8_t table_Y[1024];
uint32_t *table_32 = 0;
uint16_t *table_16 = 0;
uint8_t *table_8 = 0;
uint32_t entry_size = 0;
void *table_r = 0, *table_g = 0, *table_b = 0;
int crv = Inverse_Table_6_9[matrix_coefficients][0];
int cbu = Inverse_Table_6_9[matrix_coefficients][1];
int cgu = -Inverse_Table_6_9[matrix_coefficients][2];
int cgv = -Inverse_Table_6_9[matrix_coefficients][3];
for (i = 0; i < 1024; i++) {
int j;
j = (76309 * (i - 384 - 16) + 32768) >> 16;
j = (j < 0) ? 0 : ((j > 255) ? 255 : j);
table_Y[i] = j;
}
switch (bpp) {
case 32:
yuv2rgb_c_internal = yuv2rgb_c_32;
table_32 = malloc ((197 + 2*682 + 256 + 132) * sizeof (uint32_t));
entry_size = sizeof (uint32_t);
table_r = table_32 + 197;
table_b = table_32 + 197 + 685;
table_g = table_32 + 197 + 2*682;
for (i = -197; i < 256+197; i++)
((uint32_t *)table_r)[i] = table_Y[i+384] << ((mode==MODE_RGB) ? 16 : 0);
for (i = -132; i < 256+132; i++)
((uint32_t *)table_g)[i] = table_Y[i+384] << 8;
for (i = -232; i < 256+232; i++)
((uint32_t *)table_b)[i] = table_Y[i+384] << ((mode==MODE_RGB) ? 0 : 16);
break;
case 24:
// yuv2rgb_c_internal = (mode==MODE_RGB) ? yuv2rgb_c_24_rgb : yuv2rgb_c_24_bgr;
yuv2rgb_c_internal = (mode!=MODE_RGB) ? yuv2rgb_c_24_rgb : yuv2rgb_c_24_bgr;
table_8 = malloc ((256 + 2*232) * sizeof (uint8_t));
entry_size = sizeof (uint8_t);
table_r = table_g = table_b = table_8 + 232;
for (i = -232; i < 256+232; i++)
((uint8_t * )table_b)[i] = table_Y[i+384];
break;
case 15:
case 16:
yuv2rgb_c_internal = yuv2rgb_c_16;
table_16 = malloc ((197 + 2*682 + 256 + 132) * sizeof (uint16_t));
entry_size = sizeof (uint16_t);
table_r = table_16 + 197;
table_b = table_16 + 197 + 685;
table_g = table_16 + 197 + 2*682;
for (i = -197; i < 256+197; i++) {
int j = table_Y[i+384] >> 3;
if (mode == MODE_RGB)
j <<= ((bpp==16) ? 11 : 10);
((uint16_t *)table_r)[i] = j;
}
for (i = -132; i < 256+132; i++) {
int j = table_Y[i+384] >> ((bpp==16) ? 2 : 3);
((uint16_t *)table_g)[i] = j << 5;
}
for (i = -232; i < 256+232; i++) {
int j = table_Y[i+384] >> 3;
if (mode == MODE_BGR)
j <<= ((bpp==16) ? 11 : 10);
((uint16_t *)table_b)[i] = j;
}
break;
default:
printf ("%ibpp not supported by yuv2rgb\n", bpp);
//exit (1);
}
for (i = 0; i < 256; i++) {
table_rV[i] = table_r + entry_size * div_round (crv * (i-128), 76309);
table_gU[i] = table_g + entry_size * div_round (cgu * (i-128), 76309);
table_gV[i] = entry_size * div_round (cgv * (i-128), 76309);
table_bU[i] = table_b + entry_size * div_round (cbu * (i-128), 76309);
}
}

84
postproc/yuv2rgb_mlib.c
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@ -0,0 +1,84 @@
/*
* yuv2rgb_mlib.c, Software YUV to RGB coverter using mediaLib
*
* Copyright (C) 2000, Håkan Hjort <d95hjort@dtek.chalmers.se>
* All Rights Reserved.
*
* This file is part of mpeg2dec, a free MPEG-2 video decoder
*
* mpeg2dec is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* mpeg2dec 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GNU Make; see the file COPYING. If not, write to
* the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
*
*/
#include <stdio.h>
#include <stdlib.h>
#include "config.h"
#include "video_out.h"
#include "yuv2rgb.h"
#include <mlib_types.h>
#include <mlib_status.h>
#include <mlib_sys.h>
#include <mlib_video.h>
static void mlib_YUV2ARGB420_32(uint8_t* image, uint8_t* py,
uint8_t* pu, uint8_t* pv,
int h_size, int v_size,
int rgb_stride, int y_stride, int uv_stride)
{
mlib_VideoColorYUV2ARGB420(image, py, pu, pv, h_size,
v_size, rgb_stride, y_stride, uv_stride);
}
static void mlib_YUV2ABGR420_32(uint8_t* image, uint8_t* py,
uint8_t* pu, uint8_t* pv,
int h_size, int v_size,
int rgb_stride, int y_stride, int uv_stride)
{
mlib_VideoColorYUV2ABGR420(image, py, pu, pv, h_size,
v_size, rgb_stride, y_stride, uv_stride);
}
static void mlib_YUV2RGB420_24(uint8_t* image, uint8_t* py,
uint8_t* pu, uint8_t* pv,
int h_size, int v_size,
int rgb_stride, int y_stride, int uv_stride)
{
mlib_VideoColorYUV2RGB420(image, py, pu, pv, h_size,
v_size, rgb_stride, y_stride, uv_stride);
}
yuv2rgb_fun yuv2rgb_init_mlib(int bpp, int mode)
{
if( bpp == 24 )
{
if( mode == MODE_RGB )
return mlib_YUV2RGB420_24;
}
if( bpp == 32 )
{
if( mode == MODE_RGB )
return mlib_YUV2ARGB420_32;
else if( mode == MODE_BGR )
return mlib_YUV2ABGR420_32;
}
return NULL;
}

403
postproc/yuv2rgb_template.c
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/*
* yuv2rgb_mmx.c, Software YUV to RGB coverter with Intel MMX "technology"
*
* Copyright (C) 2000, Silicon Integrated System Corp.
* All Rights Reserved.
*
* Author: Olie Lho <ollie@sis.com.tw>
*
* This file is part of mpeg2dec, a free MPEG-2 video decoder
*
* mpeg2dec is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* mpeg2dec 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GNU Make; see the file COPYING. If not, write to
* the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
*
*/
#include <stdio.h>
#include <stdlib.h>
#include "../config.h"
//#include "libmpeg2/mpeg2.h"
//#include "libmpeg2/mpeg2_internal.h"
#include <inttypes.h>
#include "rgb2rgb.h"
/* hope these constant values are cache line aligned */
uint64_t mmx_80w = 0x0080008000800080;
uint64_t mmx_10w = 0x1010101010101010;
uint64_t mmx_00ffw = 0x00ff00ff00ff00ff;
uint64_t mmx_Y_coeff = 0x253f253f253f253f;
/* hope these constant values are cache line aligned */
uint64_t mmx_U_green = 0xf37df37df37df37d;
uint64_t mmx_U_blue = 0x4093409340934093;
uint64_t mmx_V_red = 0x3312331233123312;
uint64_t mmx_V_green = 0xe5fce5fce5fce5fc;
/* hope these constant values are cache line aligned */
uint64_t mmx_redmask = 0xf8f8f8f8f8f8f8f8;
uint64_t mmx_grnmask = 0xfcfcfcfcfcfcfcfc;
uint64_t mmx_grnshift = 0x03;
uint64_t mmx_blueshift = 0x03;
#ifdef HAVE_MMX2
/* use this for K7 and p3 only */
#define MOVNTQ "movntq"
#else
/* for MMX-only processors */
#define MOVNTQ "movq"
#endif
#if !defined( HAVE_MMX2) && defined( HAVE_3DNOW)
/* for K6 2/2+/3 */
#define EMMS "femms;"
#else
#define EMMS "emms;"
#endif
static void yuv420_rgb16_mmx (uint8_t * image, uint8_t * py,
uint8_t * pu, uint8_t * pv,
int h_size, int v_size,
int rgb_stride, int y_stride, int uv_stride)
{
int even = 1;
int x, y;
__asm__ __volatile__ ("pxor %mm4, %mm4;" /* zero mm4 */ );
for (y = v_size; --y >= 0; ) {
uint8_t *_image = image;
uint8_t *_py = py;
uint8_t *_pu = pu;
uint8_t *_pv = pv;
/* load data for start of next scan line */
__asm__ __volatile__ (
"movd (%1), %%mm0;" /* Load 4 Cb 00 00 00 00 u3 u2 u1 u0 */
"movd (%2), %%mm1;" /* Load 4 Cr 00 00 00 00 v3 v2 v1 v0 */
"movq (%0), %%mm6;" /* Load 8 Y Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 */
: : "r" (_py), "r" (_pu), "r" (_pv));
for (x = h_size >> 3; --x >= 0; ) {
/* this mmx assembly code deals with SINGLE scan line at a time, it convert 8
pixels in each iteration */
__asm__ __volatile__ (
/* Do the multiply part of the conversion for even and odd pixels,
register usage:
mm0 -> Cblue, mm1 -> Cred, mm2 -> Cgreen even pixels,
mm3 -> Cblue, mm4 -> Cred, mm5 -> Cgreen odd pixels,
mm6 -> Y even, mm7 -> Y odd */
/* convert the chroma part */
"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 */
/* convert the luma part */
"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 */
/* Do the addition part of the conversion for even and odd pixels,
register usage:
mm0 -> Cblue, mm1 -> Cred, mm2 -> Cgreen even pixels,
mm3 -> Cblue, mm4 -> Cred, mm5 -> Cgreen odd pixels,
mm6 -> Y even, mm7 -> Y odd */
"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 */
/* Limit RGB even to 0..255 */
"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 */
/* Limit RGB odd to 0..255 */
"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 */
/* Interleave RGB even and odd */
"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 */
/* mask unneeded bits off */
"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 mmx_blueshift,%%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 */
/* convert rgb24 plane to rgb16 pack for pixel 0-3 */
"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 mmx_blueshift,%%mm2;" /* 0_0_0_0 0_g7g6g5 g4g3g2_0 0_0_0_0 */
"por %%mm2, %%mm0;" /* r7r6r5r4 r3g7g6g5 g4g3g2b7 b6b5b4b3 */
"movq 8 (%0), %%mm6;" /* Load 8 Y Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 */
MOVNTQ " %%mm0, (%3);" /* store pixel 0-3 */
/* convert rgb24 plane to rgb16 pack for 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 mmx_blueshift,%%mm7;" /* 0_0_0_0 0_g7g6g5 g4g3g2_0 0_0_0_0 */
"movd 4 (%1), %%mm0;" /* Load 4 Cb 00 00 00 00 u3 u2 u1 u0 */
"por %%mm7, %%mm5;" /* r7r6r5r4 r3g7g6g5 g4g3g2b7 b6b5b4b3 */
"movd 4 (%2), %%mm1;" /* Load 4 Cr 00 00 00 00 v3 v2 v1 v0 */
MOVNTQ " %%mm5, 8 (%3);" /* store pixel 4-7 */
: : "r" (_py), "r" (_pu), "r" (_pv), "r" (_image));
_py += 8;
_pu += 4;
_pv += 4;
_image += 16;
}
if (!even) {
pu += uv_stride;
pv += uv_stride;
}
py += y_stride;
image += rgb_stride;
even = (!even);
}
__asm__ __volatile__ (EMMS);
}
static void yuv420_argb32_mmx (uint8_t * image, uint8_t * py,
uint8_t * pu, uint8_t * pv,
int h_size, int v_size,
int rgb_stride, int y_stride, int uv_stride)
{
int even = 1;
int x, y;
__asm__ __volatile__ ("pxor %mm4, %mm4;" /* zero mm4 */ );
for (y = v_size; --y >= 0; ) {
uint8_t *_image = image;
uint8_t *_py = py;
uint8_t *_pu = pu;
uint8_t *_pv = pv;
/* load data for start of next scan line */
__asm__ __volatile__
(
"movd (%1), %%mm0;" /* Load 4 Cb 00 00 00 00 u3 u2 u1 u0 */
"movd (%2), %%mm1;" /* Load 4 Cr 00 00 00 00 v3 v2 v1 v0 */
"movq (%0), %%mm6;" /* Load 8 Y Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 */
: : "r" (_py), "r" (_pu), "r" (_pv)
);
for (x = h_size >> 3; --x >= 0; ) {
/* this mmx assembly code deals with SINGLE scan line at a time, it convert 8
pixels in each iteration */
__asm__ __volatile__ (
/* Do the multiply part of the conversion for even and odd pixels,
register usage:
mm0 -> Cblue, mm1 -> Cred, mm2 -> Cgreen even pixels,
mm3 -> Cblue, mm4 -> Cred, mm5 -> Cgreen odd pixels,
mm6 -> Y even, mm7 -> Y odd */
/* convert the chroma part */
"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 */
/* convert the luma part */
"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 */
/* Do the addition part of the conversion for even and odd pixels,
register usage:
mm0 -> Cblue, mm1 -> Cred, mm2 -> Cgreen even pixels,
mm3 -> Cblue, mm4 -> Cred, mm5 -> Cgreen odd pixels,
mm6 -> Y even, mm7 -> Y odd */
"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 */
/* Limit RGB even to 0..255 */
"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 */
/* Limit RGB odd to 0..255 */
"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 */
/* Interleave RGB even and odd */
"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 */
/* convert RGB plane to RGB packed format,
mm0 -> B, mm1 -> R, mm2 -> G, mm3 -> 0,
mm4 -> GB, mm5 -> AR pixel 4-7,
mm6 -> GB, mm7 -> AR pixel 0-3 */
"pxor %%mm3, %%mm3;" /* zero mm3 */
"movq %%mm0, %%mm6;" /* B7 B6 B5 B4 B3 B2 B1 B0 */
"movq %%mm1, %%mm7;" /* R7 R6 R5 R4 R3 R2 R1 R0 */
"movq %%mm0, %%mm4;" /* B7 B6 B5 B4 B3 B2 B1 B0 */
"movq %%mm1, %%mm5;" /* R7 R6 R5 R4 R3 R2 R1 R0 */
"punpcklbw %%mm2, %%mm6;" /* G3 B3 G2 B2 G1 B1 G0 B0 */
"punpcklbw %%mm3, %%mm7;" /* 00 R3 00 R2 00 R1 00 R0 */
"punpcklwd %%mm7, %%mm6;" /* 00 R1 B1 G1 00 R0 B0 G0 */
MOVNTQ " %%mm6, (%3);" /* Store ARGB1 ARGB0 */
"movq %%mm0, %%mm6;" /* B7 B6 B5 B4 B3 B2 B1 B0 */
"punpcklbw %%mm2, %%mm6;" /* G3 B3 G2 B2 G1 B1 G0 B0 */
"punpckhwd %%mm7, %%mm6;" /* 00 R3 G3 B3 00 R2 B3 G2 */
MOVNTQ " %%mm6, 8 (%3);" /* Store ARGB3 ARGB2 */
"punpckhbw %%mm2, %%mm4;" /* G7 B7 G6 B6 G5 B5 G4 B4 */
"punpckhbw %%mm3, %%mm5;" /* 00 R7 00 R6 00 R5 00 R4 */
"punpcklwd %%mm5, %%mm4;" /* 00 R5 B5 G5 00 R4 B4 G4 */
MOVNTQ " %%mm4, 16 (%3);" /* Store ARGB5 ARGB4 */
"movq %%mm0, %%mm4;" /* B7 B6 B5 B4 B3 B2 B1 B0 */
"punpckhbw %%mm2, %%mm4;" /* G7 B7 G6 B6 G5 B5 G4 B4 */
"punpckhwd %%mm5, %%mm4;" /* 00 R7 G7 B7 00 R6 B6 G6 */
MOVNTQ " %%mm4, 24 (%3);" /* Store ARGB7 ARGB6 */
"movd 4 (%1), %%mm0;" /* Load 4 Cb 00 00 00 00 u3 u2 u1 u0 */
"movd 4 (%2), %%mm1;" /* Load 4 Cr 00 00 00 00 v3 v2 v1 v0 */
"pxor %%mm4, %%mm4;" /* zero mm4 */
"movq 8 (%0), %%mm6;" /* Load 8 Y Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 */
: : "r" (_py), "r" (_pu), "r" (_pv), "r" (_image));
_py += 8;
_pu += 4;
_pv += 4;
_image += 32;
}
if (!even) {
pu += uv_stride;
pv += uv_stride;
}
py += y_stride;
image += rgb_stride;
even = (!even);
}
__asm__ __volatile__ (EMMS);
}
yuv2rgb_fun yuv2rgb_init_mmx (int bpp, int mode)
{
// if (bpp == 15 || bpp == 16) {
if (bpp == 16 && mode == MODE_RGB) return yuv420_rgb16_mmx;
if (bpp == 32 && mode == MODE_RGB) return yuv420_argb32_mmx;
return NULL; // Fallback to C.
}
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