/*
+ * software RGB to RGB converter
+ * pluralize by software PAL8 to RGB converter
+ * software YUV to YUV converter
+ * software YUV to RGB converter
+ * Written by Nick Kurshev.
+ * palette & YUV & runtime CPU stuff by Michael (michaelni@gmx.at)
*
- * 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 & YUV & runtime CPU stuff by Michael (michaelni@gmx.at)
+ * This file is part of Libav.
*
- * This file is part of FFmpeg.
+ * Libav is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
*
- * FFmpeg 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 of the License, or
- * (at your option) any later version.
- *
- * FFmpeg is distributed in the hope that it will be useful,
+ * Libav 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.
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
*
- * You should have received a copy of the GNU General Public License
- * along with FFmpeg; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
- *
- * the C code (not assembly, mmx, ...) of this file can be used
- * under the LGPL license too
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with Libav; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <inttypes.h>
#include "config.h"
+#include "libavutil/bswap.h"
#include "rgb2rgb.h"
#include "swscale.h"
#include "swscale_internal.h"
-#include "x86_cpu.h"
-#include "bswap.h"
-#ifdef USE_FASTMEMCPY
-#include "libvo/fastmemcpy.h"
-#endif
-
-#define FAST_BGR2YV12 // use 7 bit coeffs instead of 15bit
-void (*rgb24to32)(const uint8_t *src,uint8_t *dst,long src_size);
-void (*rgb24to16)(const uint8_t *src,uint8_t *dst,long src_size);
-void (*rgb24to15)(const uint8_t *src,uint8_t *dst,long src_size);
-void (*rgb32to24)(const uint8_t *src,uint8_t *dst,long src_size);
-void (*rgb32to16)(const uint8_t *src,uint8_t *dst,long src_size);
-void (*rgb32to15)(const uint8_t *src,uint8_t *dst,long src_size);
-void (*rgb15to16)(const uint8_t *src,uint8_t *dst,long src_size);
-void (*rgb15to24)(const uint8_t *src,uint8_t *dst,long src_size);
-void (*rgb15to32)(const uint8_t *src,uint8_t *dst,long src_size);
-void (*rgb16to15)(const uint8_t *src,uint8_t *dst,long src_size);
-void (*rgb16to24)(const uint8_t *src,uint8_t *dst,long src_size);
-void (*rgb16to32)(const uint8_t *src,uint8_t *dst,long src_size);
-//void (*rgb24tobgr32)(const uint8_t *src, uint8_t *dst, long src_size);
-void (*rgb24tobgr24)(const uint8_t *src, uint8_t *dst, long src_size);
+void (*rgb24tobgr32)(const uint8_t *src, uint8_t *dst, long src_size);
void (*rgb24tobgr16)(const uint8_t *src, uint8_t *dst, long src_size);
void (*rgb24tobgr15)(const uint8_t *src, uint8_t *dst, long src_size);
-void (*rgb32tobgr32)(const uint8_t *src, uint8_t *dst, long src_size);
-//void (*rgb32tobgr24)(const uint8_t *src, uint8_t *dst, long src_size);
+void (*rgb32tobgr24)(const uint8_t *src, uint8_t *dst, long src_size);
+void (*rgb32to16)(const uint8_t *src, uint8_t *dst, long src_size);
+void (*rgb32to15)(const uint8_t *src, uint8_t *dst, long src_size);
+void (*rgb15to16)(const uint8_t *src, uint8_t *dst, long src_size);
+void (*rgb15tobgr24)(const uint8_t *src, uint8_t *dst, long src_size);
+void (*rgb15to32)(const uint8_t *src, uint8_t *dst, long src_size);
+void (*rgb16to15)(const uint8_t *src, uint8_t *dst, long src_size);
+void (*rgb16tobgr24)(const uint8_t *src, uint8_t *dst, long src_size);
+void (*rgb16to32)(const uint8_t *src, uint8_t *dst, long src_size);
+void (*rgb24tobgr24)(const uint8_t *src, uint8_t *dst, long src_size);
+void (*rgb24to16)(const uint8_t *src, uint8_t *dst, long src_size);
+void (*rgb24to15)(const uint8_t *src, uint8_t *dst, long src_size);
+void (*shuffle_bytes_2103)(const uint8_t *src, uint8_t *dst, long src_size);
void (*rgb32tobgr16)(const uint8_t *src, uint8_t *dst, long src_size);
void (*rgb32tobgr15)(const uint8_t *src, uint8_t *dst, long src_size);
void (*yv12toyuy2)(const uint8_t *ysrc, const uint8_t *usrc, const uint8_t *vsrc, uint8_t *dst,
- long width, long height,
- long lumStride, long chromStride, long dstStride);
+ long width, long height,
+ long lumStride, long chromStride, long dstStride);
void (*yv12touyvy)(const uint8_t *ysrc, const uint8_t *usrc, const uint8_t *vsrc, uint8_t *dst,
- long width, long height,
- long lumStride, long chromStride, long dstStride);
+ long width, long height,
+ long lumStride, long chromStride, long dstStride);
void (*yuv422ptoyuy2)(const uint8_t *ysrc, const uint8_t *usrc, const uint8_t *vsrc, uint8_t *dst,
- long width, long height,
- long lumStride, long chromStride, long dstStride);
+ long width, long height,
+ long lumStride, long chromStride, long dstStride);
+void (*yuv422ptouyvy)(const uint8_t *ysrc, const uint8_t *usrc, const uint8_t *vsrc, uint8_t *dst,
+ long width, long height,
+ long lumStride, long chromStride, long dstStride);
void (*yuy2toyv12)(const uint8_t *src, uint8_t *ydst, uint8_t *udst, uint8_t *vdst,
- long width, long height,
- long lumStride, long chromStride, long srcStride);
+ long width, long height,
+ long lumStride, long chromStride, long srcStride);
void (*rgb24toyv12)(const uint8_t *src, uint8_t *ydst, uint8_t *udst, uint8_t *vdst,
- long width, long height,
- long lumStride, long chromStride, long srcStride);
+ long width, long height,
+ long lumStride, long chromStride, long srcStride);
void (*planar2x)(const uint8_t *src, uint8_t *dst, long width, long height,
- long srcStride, long dstStride);
-void (*interleaveBytes)(uint8_t *src1, uint8_t *src2, uint8_t *dst,
- long width, long height, long src1Stride,
- long src2Stride, long dstStride);
+ long srcStride, long dstStride);
+void (*interleaveBytes)(const uint8_t *src1, const uint8_t *src2, uint8_t *dst,
+ long width, long height, long src1Stride,
+ long src2Stride, long dstStride);
void (*vu9_to_vu12)(const uint8_t *src1, const uint8_t *src2,
- uint8_t *dst1, uint8_t *dst2,
- long width, long height,
- long srcStride1, long srcStride2,
- long dstStride1, long dstStride2);
+ uint8_t *dst1, uint8_t *dst2,
+ long width, long height,
+ long srcStride1, long srcStride2,
+ long dstStride1, long dstStride2);
void (*yvu9_to_yuy2)(const uint8_t *src1, const uint8_t *src2, const uint8_t *src3,
- uint8_t *dst,
- long width, long height,
- long srcStride1, long srcStride2,
- long srcStride3, long dstStride);
-
-#if defined(ARCH_X86) && defined(CONFIG_GPL)
-static const uint64_t mmx_null __attribute__((aligned(8))) = 0x0000000000000000ULL;
-static const uint64_t mmx_one __attribute__((aligned(8))) = 0xFFFFFFFFFFFFFFFFULL;
-static const uint64_t mask32b attribute_used __attribute__((aligned(8))) = 0x000000FF000000FFULL;
-static const uint64_t mask32g attribute_used __attribute__((aligned(8))) = 0x0000FF000000FF00ULL;
-static const uint64_t mask32r attribute_used __attribute__((aligned(8))) = 0x00FF000000FF0000ULL;
-static const uint64_t mask32 __attribute__((aligned(8))) = 0x00FFFFFF00FFFFFFULL;
-static const uint64_t mask3216br __attribute__((aligned(8)))=0x00F800F800F800F8ULL;
-static const uint64_t mask3216g __attribute__((aligned(8)))=0x0000FC000000FC00ULL;
-static const uint64_t mask3215g __attribute__((aligned(8)))=0x0000F8000000F800ULL;
-static const uint64_t mul3216 __attribute__((aligned(8))) = 0x2000000420000004ULL;
-static const uint64_t mul3215 __attribute__((aligned(8))) = 0x2000000820000008ULL;
-static const uint64_t mask24b attribute_used __attribute__((aligned(8))) = 0x00FF0000FF0000FFULL;
-static const uint64_t mask24g attribute_used __attribute__((aligned(8))) = 0xFF0000FF0000FF00ULL;
-static const uint64_t mask24r attribute_used __attribute__((aligned(8))) = 0x0000FF0000FF0000ULL;
-static const uint64_t mask24l __attribute__((aligned(8))) = 0x0000000000FFFFFFULL;
-static const uint64_t mask24h __attribute__((aligned(8))) = 0x0000FFFFFF000000ULL;
-static const uint64_t mask24hh __attribute__((aligned(8))) = 0xffff000000000000ULL;
-static const uint64_t mask24hhh __attribute__((aligned(8))) = 0xffffffff00000000ULL;
-static const uint64_t mask24hhhh __attribute__((aligned(8))) = 0xffffffffffff0000ULL;
-static const uint64_t mask15b __attribute__((aligned(8))) = 0x001F001F001F001FULL; /* 00000000 00011111 xxB */
-static const uint64_t mask15rg __attribute__((aligned(8))) = 0x7FE07FE07FE07FE0ULL; /* 01111111 11100000 RGx */
-static const uint64_t mask15s __attribute__((aligned(8))) = 0xFFE0FFE0FFE0FFE0ULL;
-static const uint64_t mask15g __attribute__((aligned(8))) = 0x03E003E003E003E0ULL;
-static const uint64_t mask15r __attribute__((aligned(8))) = 0x7C007C007C007C00ULL;
-#define mask16b mask15b
-static const uint64_t mask16g __attribute__((aligned(8))) = 0x07E007E007E007E0ULL;
-static const uint64_t mask16r __attribute__((aligned(8))) = 0xF800F800F800F800ULL;
-static const uint64_t red_16mask __attribute__((aligned(8))) = 0x0000f8000000f800ULL;
-static const uint64_t green_16mask __attribute__((aligned(8)))= 0x000007e0000007e0ULL;
-static const uint64_t blue_16mask __attribute__((aligned(8))) = 0x0000001f0000001fULL;
-static const uint64_t red_15mask __attribute__((aligned(8))) = 0x00007c000000f800ULL;
-static const uint64_t green_15mask __attribute__((aligned(8)))= 0x000003e0000007e0ULL;
-static const uint64_t blue_15mask __attribute__((aligned(8))) = 0x0000001f0000001fULL;
-
-#ifdef FAST_BGR2YV12
-static const uint64_t bgr2YCoeff attribute_used __attribute__((aligned(8))) = 0x000000210041000DULL;
-static const uint64_t bgr2UCoeff attribute_used __attribute__((aligned(8))) = 0x0000FFEEFFDC0038ULL;
-static const uint64_t bgr2VCoeff attribute_used __attribute__((aligned(8))) = 0x00000038FFD2FFF8ULL;
-#else
-static const uint64_t bgr2YCoeff attribute_used __attribute__((aligned(8))) = 0x000020E540830C8BULL;
-static const uint64_t bgr2UCoeff attribute_used __attribute__((aligned(8))) = 0x0000ED0FDAC23831ULL;
-static const uint64_t bgr2VCoeff attribute_used __attribute__((aligned(8))) = 0x00003831D0E6F6EAULL;
-#endif
-static const uint64_t bgr2YOffset attribute_used __attribute__((aligned(8))) = 0x1010101010101010ULL;
-static const uint64_t bgr2UVOffset attribute_used __attribute__((aligned(8)))= 0x8080808080808080ULL;
-static const uint64_t w1111 attribute_used __attribute__((aligned(8))) = 0x0001000100010001ULL;
-
-#if 0
-static volatile uint64_t __attribute__((aligned(8))) b5Dither;
-static volatile uint64_t __attribute__((aligned(8))) g5Dither;
-static volatile uint64_t __attribute__((aligned(8))) g6Dither;
-static volatile uint64_t __attribute__((aligned(8))) r5Dither;
-
-static uint64_t __attribute__((aligned(8))) dither4[2]={
- 0x0103010301030103LL,
- 0x0200020002000200LL,};
-
-static uint64_t __attribute__((aligned(8))) dither8[2]={
- 0x0602060206020602LL,
- 0x0004000400040004LL,};
-#endif
-#endif /* defined(ARCH_X86) */
+ uint8_t *dst,
+ long width, long height,
+ long srcStride1, long srcStride2,
+ long srcStride3, long dstStride);
+void (*uyvytoyuv420)(uint8_t *ydst, uint8_t *udst, uint8_t *vdst, const uint8_t *src,
+ long width, long height,
+ long lumStride, long chromStride, long srcStride);
+void (*uyvytoyuv422)(uint8_t *ydst, uint8_t *udst, uint8_t *vdst, const uint8_t *src,
+ long width, long height,
+ long lumStride, long chromStride, long srcStride);
+void (*yuyvtoyuv420)(uint8_t *ydst, uint8_t *udst, uint8_t *vdst, const uint8_t *src,
+ long width, long height,
+ long lumStride, long chromStride, long srcStride);
+void (*yuyvtoyuv422)(uint8_t *ydst, uint8_t *udst, uint8_t *vdst, const uint8_t *src,
+ long width, long height,
+ long lumStride, long chromStride, long srcStride);
#define RGB2YUV_SHIFT 8
#define BY ((int)( 0.098*(1<<RGB2YUV_SHIFT)+0.5))
#define RV ((int)( 0.439*(1<<RGB2YUV_SHIFT)+0.5))
#define RU ((int)(-0.148*(1<<RGB2YUV_SHIFT)+0.5))
-//Note: we have C, MMX, MMX2, 3DNOW version therse no 3DNOW+MMX2 one
-//Plain C versions
-#undef HAVE_MMX
-#undef HAVE_MMX2
-#undef HAVE_3DNOW
-#undef HAVE_SSE2
-#define RENAME(a) a ## _C
-#include "rgb2rgb_template.c"
-
-#if defined(ARCH_X86) && defined(CONFIG_GPL)
-
-//MMX versions
-#undef RENAME
-#define HAVE_MMX
-#undef HAVE_MMX2
-#undef HAVE_3DNOW
-#undef HAVE_SSE2
-#define RENAME(a) a ## _MMX
-#include "rgb2rgb_template.c"
-
-//MMX2 versions
-#undef RENAME
-#define HAVE_MMX
-#define HAVE_MMX2
-#undef HAVE_3DNOW
-#undef HAVE_SSE2
-#define RENAME(a) a ## _MMX2
-#include "rgb2rgb_template.c"
-
-//3DNOW versions
-#undef RENAME
-#define HAVE_MMX
-#undef HAVE_MMX2
-#define HAVE_3DNOW
-#undef HAVE_SSE2
-#define RENAME(a) a ## _3DNOW
+//plain C versions
#include "rgb2rgb_template.c"
-#endif //ARCH_X86 || ARCH_X86_64
/*
- rgb15->rgb16 Original by Strepto/Astral
+ RGB15->RGB16 original by Strepto/Astral
ported to gcc & bugfixed : A'rpi
MMX2, 3DNOW optimization by Nick Kurshev
- 32bit c version, and and&add trick by Michael Niedermayer
-*/
-
-void sws_rgb2rgb_init(int flags){
-#if (defined(HAVE_MMX2) || defined(HAVE_3DNOW) || defined(HAVE_MMX)) && defined(CONFIG_GPL)
- if(flags & SWS_CPU_CAPS_MMX2){
- rgb2rgb_init_MMX2();
- }else if(flags & SWS_CPU_CAPS_3DNOW){
- rgb2rgb_init_3DNOW();
- }else if(flags & SWS_CPU_CAPS_MMX){
- rgb2rgb_init_MMX();
- }else
-#endif /* defined(HAVE_MMX2) || defined(HAVE_3DNOW) || defined(HAVE_MMX) */
- {
- rgb2rgb_init_C();
- }
-}
-
-/**
- * Palette is assumed to contain BGR32.
- */
-void palette8torgb32(const uint8_t *src, uint8_t *dst, long num_pixels, const uint8_t *palette)
-{
- long i;
-
-/*
- for(i=0; i<num_pixels; i++)
- ((unsigned *)dst)[i] = ((unsigned *)palette)[ src[i] ];
-*/
-
- for(i=0; i<num_pixels; i++)
- {
- #ifdef WORDS_BIGENDIAN
- dst[3]= palette[ src[i]*4+2 ];
- dst[2]= palette[ src[i]*4+1 ];
- dst[1]= palette[ src[i]*4+0 ];
- #else
- //FIXME slow?
- dst[0]= palette[ src[i]*4+2 ];
- dst[1]= palette[ src[i]*4+1 ];
- dst[2]= palette[ src[i]*4+0 ];
- //dst[3]= 0; /* do we need this cleansing? */
- #endif
- dst+= 4;
- }
-}
-
-void palette8tobgr32(const uint8_t *src, uint8_t *dst, long num_pixels, const uint8_t *palette)
-{
- long i;
- for(i=0; i<num_pixels; i++)
- {
- #ifdef WORDS_BIGENDIAN
- dst[3]= palette[ src[i]*4+0 ];
- dst[2]= palette[ src[i]*4+1 ];
- dst[1]= palette[ src[i]*4+2 ];
- #else
- //FIXME slow?
- dst[0]= palette[ src[i]*4+0 ];
- dst[1]= palette[ src[i]*4+1 ];
- dst[2]= palette[ src[i]*4+2 ];
- //dst[3]= 0; /* do we need this cleansing? */
- #endif
-
- dst+= 4;
- }
-}
-
-/**
- * Palette is assumed to contain BGR32.
- */
-void palette8torgb24(const uint8_t *src, uint8_t *dst, long num_pixels, const uint8_t *palette)
-{
- long i;
-/*
- writes 1 byte o much and might cause alignment issues on some architectures?
- for(i=0; i<num_pixels; i++)
- ((unsigned *)(&dst[i*3])) = ((unsigned *)palette)[ src[i] ];
+ 32-bit C version, and and&add trick by Michael Niedermayer
*/
- for(i=0; i<num_pixels; i++)
- {
- //FIXME slow?
- dst[0]= palette[ src[i]*4+2 ];
- dst[1]= palette[ src[i]*4+1 ];
- dst[2]= palette[ src[i]*4+0 ];
- dst+= 3;
- }
-}
-void palette8tobgr24(const uint8_t *src, uint8_t *dst, long num_pixels, const uint8_t *palette)
-{
- long i;
-/*
- writes 1 byte o much and might cause alignment issues on some architectures?
- for(i=0; i<num_pixels; i++)
- ((unsigned *)(&dst[i*3])) = ((unsigned *)palette)[ src[i] ];
-*/
- for(i=0; i<num_pixels; i++)
- {
- //FIXME slow?
- dst[0]= palette[ src[i]*4+0 ];
- dst[1]= palette[ src[i]*4+1 ];
- dst[2]= palette[ src[i]*4+2 ];
- dst+= 3;
- }
-}
-
-/**
- * Palette is assumed to contain bgr16, see rgb32to16 to convert the palette
- */
-void palette8torgb16(const uint8_t *src, uint8_t *dst, long num_pixels, const uint8_t *palette)
-{
- long i;
- for(i=0; i<num_pixels; i++)
- ((uint16_t *)dst)[i] = ((uint16_t *)palette)[ src[i] ];
-}
-void palette8tobgr16(const uint8_t *src, uint8_t *dst, long num_pixels, const uint8_t *palette)
-{
- long i;
- for(i=0; i<num_pixels; i++)
- ((uint16_t *)dst)[i] = bswap_16(((uint16_t *)palette)[ src[i] ]);
-}
-
-/**
- * Palette is assumed to contain BGR15, see rgb32to15 to convert the palette.
- */
-void palette8torgb15(const uint8_t *src, uint8_t *dst, long num_pixels, const uint8_t *palette)
+void sws_rgb2rgb_init(void)
{
- long i;
- for(i=0; i<num_pixels; i++)
- ((uint16_t *)dst)[i] = ((uint16_t *)palette)[ src[i] ];
-}
-void palette8tobgr15(const uint8_t *src, uint8_t *dst, long num_pixels, const uint8_t *palette)
-{
- long i;
- for(i=0; i<num_pixels; i++)
- ((uint16_t *)dst)[i] = bswap_16(((uint16_t *)palette)[ src[i] ]);
+ rgb2rgb_init_c();
+ if (HAVE_MMX)
+ rgb2rgb_init_x86();
}
-void rgb32tobgr24(const uint8_t *src, uint8_t *dst, long src_size)
+void rgb32to24(const uint8_t *src, uint8_t *dst, long src_size)
{
- long i;
- long num_pixels = src_size >> 2;
- for(i=0; i<num_pixels; i++)
- {
- #ifdef WORDS_BIGENDIAN
- /* RGB32 (= A,B,G,R) -> BGR24 (= B,G,R) */
- dst[3*i + 0] = src[4*i + 1];
- dst[3*i + 1] = src[4*i + 2];
- dst[3*i + 2] = src[4*i + 3];
- #else
- dst[3*i + 0] = src[4*i + 2];
- dst[3*i + 1] = src[4*i + 1];
- dst[3*i + 2] = src[4*i + 0];
- #endif
- }
+ long i;
+ long num_pixels = src_size >> 2;
+ for (i=0; i<num_pixels; i++) {
+#if HAVE_BIGENDIAN
+ /* RGB32 (= A,B,G,R) -> BGR24 (= B,G,R) */
+ dst[3*i + 0] = src[4*i + 1];
+ dst[3*i + 1] = src[4*i + 2];
+ dst[3*i + 2] = src[4*i + 3];
+#else
+ dst[3*i + 0] = src[4*i + 2];
+ dst[3*i + 1] = src[4*i + 1];
+ dst[3*i + 2] = src[4*i + 0];
+#endif
+ }
}
-void rgb24tobgr32(const uint8_t *src, uint8_t *dst, long src_size)
+void rgb24to32(const uint8_t *src, uint8_t *dst, long src_size)
{
- long i;
- for(i=0; 3*i<src_size; i++)
- {
- #ifdef WORDS_BIGENDIAN
- /* RGB24 (= R,G,B) -> BGR32 (= A,R,G,B) */
- dst[4*i + 0] = 0;
- dst[4*i + 1] = src[3*i + 0];
- dst[4*i + 2] = src[3*i + 1];
- dst[4*i + 3] = src[3*i + 2];
- #else
- dst[4*i + 0] = src[3*i + 2];
- dst[4*i + 1] = src[3*i + 1];
- dst[4*i + 2] = src[3*i + 0];
- dst[4*i + 3] = 0;
- #endif
- }
+ long i;
+ for (i=0; 3*i<src_size; i++) {
+#if HAVE_BIGENDIAN
+ /* RGB24 (= R,G,B) -> BGR32 (= A,R,G,B) */
+ dst[4*i + 0] = 255;
+ dst[4*i + 1] = src[3*i + 0];
+ dst[4*i + 2] = src[3*i + 1];
+ dst[4*i + 3] = src[3*i + 2];
+#else
+ dst[4*i + 0] = src[3*i + 2];
+ dst[4*i + 1] = src[3*i + 1];
+ dst[4*i + 2] = src[3*i + 0];
+ dst[4*i + 3] = 255;
+#endif
+ }
}
void rgb16tobgr32(const uint8_t *src, uint8_t *dst, long src_size)
{
- const uint16_t *end;
- uint8_t *d = (uint8_t *)dst;
- const uint16_t *s = (uint16_t *)src;
- end = s + src_size/2;
- while(s < end)
- {
- register uint16_t bgr;
- bgr = *s++;
- #ifdef WORDS_BIGENDIAN
- *d++ = 0;
- *d++ = (bgr&0x1F)<<3;
- *d++ = (bgr&0x7E0)>>3;
- *d++ = (bgr&0xF800)>>8;
- #else
- *d++ = (bgr&0xF800)>>8;
- *d++ = (bgr&0x7E0)>>3;
- *d++ = (bgr&0x1F)<<3;
- *d++ = 0;
- #endif
- }
+ const uint16_t *end;
+ uint8_t *d = dst;
+ const uint16_t *s = (const uint16_t *)src;
+ end = s + src_size/2;
+ while (s < end) {
+ register uint16_t bgr;
+ bgr = *s++;
+#if HAVE_BIGENDIAN
+ *d++ = 255;
+ *d++ = (bgr&0x1F)<<3;
+ *d++ = (bgr&0x7E0)>>3;
+ *d++ = (bgr&0xF800)>>8;
+#else
+ *d++ = (bgr&0xF800)>>8;
+ *d++ = (bgr&0x7E0)>>3;
+ *d++ = (bgr&0x1F)<<3;
+ *d++ = 255;
+#endif
+ }
}
-void rgb16tobgr24(const uint8_t *src, uint8_t *dst, long src_size)
+void rgb16to24(const uint8_t *src, uint8_t *dst, long src_size)
{
- const uint16_t *end;
- uint8_t *d = (uint8_t *)dst;
- const uint16_t *s = (const uint16_t *)src;
- end = s + src_size/2;
- while(s < end)
- {
- register uint16_t bgr;
- bgr = *s++;
- *d++ = (bgr&0xF800)>>8;
- *d++ = (bgr&0x7E0)>>3;
- *d++ = (bgr&0x1F)<<3;
- }
+ const uint16_t *end;
+ uint8_t *d = dst;
+ const uint16_t *s = (const uint16_t *)src;
+ end = s + src_size/2;
+ while (s < end) {
+ register uint16_t bgr;
+ bgr = *s++;
+ *d++ = (bgr&0xF800)>>8;
+ *d++ = (bgr&0x7E0)>>3;
+ *d++ = (bgr&0x1F)<<3;
+ }
}
void rgb16tobgr16(const uint8_t *src, uint8_t *dst, long src_size)
{
- long i;
- long num_pixels = src_size >> 1;
-
- for(i=0; i<num_pixels; i++)
- {
- unsigned b,g,r;
- register uint16_t rgb;
- rgb = src[2*i];
- r = rgb&0x1F;
- g = (rgb&0x7E0)>>5;
- b = (rgb&0xF800)>>11;
- dst[2*i] = (b&0x1F) | ((g&0x3F)<<5) | ((r&0x1F)<<11);
- }
+ long i;
+ long num_pixels = src_size >> 1;
+
+ for (i=0; i<num_pixels; i++) {
+ unsigned rgb = ((const uint16_t*)src)[i];
+ ((uint16_t*)dst)[i] = (rgb>>11) | (rgb&0x7E0) | (rgb<<11);
+ }
}
void rgb16tobgr15(const uint8_t *src, uint8_t *dst, long src_size)
{
- long i;
- long num_pixels = src_size >> 1;
-
- for(i=0; i<num_pixels; i++)
- {
- unsigned b,g,r;
- register uint16_t rgb;
- rgb = src[2*i];
- r = rgb&0x1F;
- g = (rgb&0x7E0)>>5;
- b = (rgb&0xF800)>>11;
- dst[2*i] = (b&0x1F) | ((g&0x1F)<<5) | ((r&0x1F)<<10);
- }
+ long i;
+ long num_pixels = src_size >> 1;
+
+ for (i=0; i<num_pixels; i++) {
+ unsigned rgb = ((const uint16_t*)src)[i];
+ ((uint16_t*)dst)[i] = (rgb>>11) | ((rgb&0x7C0)>>1) | ((rgb&0x1F)<<10);
+ }
}
void rgb15tobgr32(const uint8_t *src, uint8_t *dst, long src_size)
{
- const uint16_t *end;
- uint8_t *d = (uint8_t *)dst;
- const uint16_t *s = (const uint16_t *)src;
- end = s + src_size/2;
- while(s < end)
- {
- register uint16_t bgr;
- bgr = *s++;
- #ifdef WORDS_BIGENDIAN
- *d++ = 0;
- *d++ = (bgr&0x1F)<<3;
- *d++ = (bgr&0x3E0)>>2;
- *d++ = (bgr&0x7C00)>>7;
- #else
- *d++ = (bgr&0x7C00)>>7;
- *d++ = (bgr&0x3E0)>>2;
- *d++ = (bgr&0x1F)<<3;
- *d++ = 0;
- #endif
- }
+ const uint16_t *end;
+ uint8_t *d = dst;
+ const uint16_t *s = (const uint16_t *)src;
+ end = s + src_size/2;
+ while (s < end) {
+ register uint16_t bgr;
+ bgr = *s++;
+#if HAVE_BIGENDIAN
+ *d++ = 255;
+ *d++ = (bgr&0x1F)<<3;
+ *d++ = (bgr&0x3E0)>>2;
+ *d++ = (bgr&0x7C00)>>7;
+#else
+ *d++ = (bgr&0x7C00)>>7;
+ *d++ = (bgr&0x3E0)>>2;
+ *d++ = (bgr&0x1F)<<3;
+ *d++ = 255;
+#endif
+ }
}
-void rgb15tobgr24(const uint8_t *src, uint8_t *dst, long src_size)
+void rgb15to24(const uint8_t *src, uint8_t *dst, long src_size)
{
- const uint16_t *end;
- uint8_t *d = (uint8_t *)dst;
- const uint16_t *s = (uint16_t *)src;
- end = s + src_size/2;
- while(s < end)
- {
- register uint16_t bgr;
- bgr = *s++;
- *d++ = (bgr&0x7C00)>>7;
- *d++ = (bgr&0x3E0)>>2;
- *d++ = (bgr&0x1F)<<3;
- }
+ const uint16_t *end;
+ uint8_t *d = dst;
+ const uint16_t *s = (const uint16_t *)src;
+ end = s + src_size/2;
+ while (s < end) {
+ register uint16_t bgr;
+ bgr = *s++;
+ *d++ = (bgr&0x7C00)>>7;
+ *d++ = (bgr&0x3E0)>>2;
+ *d++ = (bgr&0x1F)<<3;
+ }
}
void rgb15tobgr16(const uint8_t *src, uint8_t *dst, long src_size)
{
- long i;
- long num_pixels = src_size >> 1;
-
- for(i=0; i<num_pixels; i++)
- {
- unsigned b,g,r;
- register uint16_t rgb;
- rgb = src[2*i];
- r = rgb&0x1F;
- g = (rgb&0x3E0)>>5;
- b = (rgb&0x7C00)>>10;
- dst[2*i] = (b&0x1F) | ((g&0x3F)<<5) | ((r&0x1F)<<11);
- }
+ long i;
+ long num_pixels = src_size >> 1;
+
+ for (i=0; i<num_pixels; i++) {
+ unsigned rgb = ((const uint16_t*)src)[i];
+ ((uint16_t*)dst)[i] = ((rgb&0x7C00)>>10) | ((rgb&0x3E0)<<1) | (rgb<<11);
+ }
}
void rgb15tobgr15(const uint8_t *src, uint8_t *dst, long src_size)
{
- long i;
- long num_pixels = src_size >> 1;
-
- for(i=0; i<num_pixels; i++)
- {
- unsigned b,g,r;
- register uint16_t rgb;
- rgb = src[2*i];
- r = rgb&0x1F;
- g = (rgb&0x3E0)>>5;
- b = (rgb&0x7C00)>>10;
- dst[2*i] = (b&0x1F) | ((g&0x1F)<<5) | ((r&0x1F)<<10);
- }
+ long i;
+ long num_pixels = src_size >> 1;
+
+ for (i=0; i<num_pixels; i++) {
+ unsigned br;
+ unsigned rgb = ((const uint16_t*)src)[i];
+ br = rgb&0x7c1F;
+ ((uint16_t*)dst)[i] = (br>>10) | (rgb&0x3E0) | (br<<10);
+ }
}
-void rgb8tobgr8(const uint8_t *src, uint8_t *dst, long src_size)
+void bgr8torgb8(const uint8_t *src, uint8_t *dst, long src_size)
{
- long i;
- long num_pixels = src_size;
- for(i=0; i<num_pixels; i++)
- {
- unsigned b,g,r;
- register uint8_t rgb;
- rgb = src[i];
- r = (rgb&0x07);
- g = (rgb&0x38)>>3;
- b = (rgb&0xC0)>>6;
- dst[i] = ((b<<1)&0x07) | ((g&0x07)<<3) | ((r&0x03)<<6);
- }
+ long i;
+ long num_pixels = src_size;
+ for (i=0; i<num_pixels; i++) {
+ unsigned b,g,r;
+ register uint8_t rgb;
+ rgb = src[i];
+ r = (rgb&0x07);
+ g = (rgb&0x38)>>3;
+ b = (rgb&0xC0)>>6;
+ dst[i] = ((b<<1)&0x07) | ((g&0x07)<<3) | ((r&0x03)<<6);
+ }
}
+
+#define DEFINE_SHUFFLE_BYTES(a, b, c, d) \
+void shuffle_bytes_##a##b##c##d(const uint8_t *src, uint8_t *dst, long src_size) \
+{ \
+ long i; \
+ \
+ for (i = 0; i < src_size; i+=4) { \
+ dst[i + 0] = src[i + a]; \
+ dst[i + 1] = src[i + b]; \
+ dst[i + 2] = src[i + c]; \
+ dst[i + 3] = src[i + d]; \
+ } \
+}
+
+DEFINE_SHUFFLE_BYTES(0, 3, 2, 1);
+DEFINE_SHUFFLE_BYTES(1, 2, 3, 0);
+DEFINE_SHUFFLE_BYTES(3, 0, 1, 2);
+DEFINE_SHUFFLE_BYTES(3, 2, 1, 0);
+
projects / ffmpeg / blobdiff