* Written by Nick Kurshev.
* palette & YUV & runtime CPU stuff by Michael (michaelni@gmx.at)
*
- * This file is part of FFmpeg.
+ * This file is part of Libav.
*
- * 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.
+ * 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 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
+ * 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
- *
- * The C code (not assembly, MMX, ...) of this file can be used
- * under the LGPL license.
*/
+
#include <inttypes.h>
-#include "config.h"
-#include "libavutil/x86_cpu.h"
+
+#include "libavutil/attributes.h"
#include "libavutil/bswap.h"
+#include "config.h"
#include "rgb2rgb.h"
#include "swscale.h"
#include "swscale_internal.h"
-#define FAST_BGR2YV12 // use 7-bit instead of 15-bit coefficients
-
-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 (*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 (*rgb32tobgr32)(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);
-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);
-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);
-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);
-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);
-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);
+void (*rgb32tobgr24)(const uint8_t *src, uint8_t *dst, int src_size);
+void (*rgb32tobgr16)(const uint8_t *src, uint8_t *dst, int src_size);
+void (*rgb32tobgr15)(const uint8_t *src, uint8_t *dst, int src_size);
+void (*rgb24tobgr32)(const uint8_t *src, uint8_t *dst, int src_size);
+void (*rgb24tobgr24)(const uint8_t *src, uint8_t *dst, int src_size);
+void (*rgb24tobgr16)(const uint8_t *src, uint8_t *dst, int src_size);
+void (*rgb24tobgr15)(const uint8_t *src, uint8_t *dst, int src_size);
+void (*rgb16tobgr24)(const uint8_t *src, uint8_t *dst, int src_size);
+void (*rgb15tobgr24)(const uint8_t *src, uint8_t *dst, int src_size);
+
+void (*rgb32to16)(const uint8_t *src, uint8_t *dst, int src_size);
+void (*rgb32to15)(const uint8_t *src, uint8_t *dst, int src_size);
+void (*rgb24to16)(const uint8_t *src, uint8_t *dst, int src_size);
+void (*rgb24to15)(const uint8_t *src, uint8_t *dst, int src_size);
+void (*rgb16to32)(const uint8_t *src, uint8_t *dst, int src_size);
+void (*rgb16to15)(const uint8_t *src, uint8_t *dst, int src_size);
+void (*rgb15to16)(const uint8_t *src, uint8_t *dst, int src_size);
+void (*rgb15to32)(const uint8_t *src, uint8_t *dst, int src_size);
+
+void (*shuffle_bytes_2103)(const uint8_t *src, uint8_t *dst, int src_size);
+
+void (*yv12toyuy2)(const uint8_t *ysrc, const uint8_t *usrc,
+ const uint8_t *vsrc, uint8_t *dst,
+ int width, int height,
+ int lumStride, int chromStride, int dstStride);
+void (*yv12touyvy)(const uint8_t *ysrc, const uint8_t *usrc,
+ const uint8_t *vsrc, uint8_t *dst,
+ int width, int height,
+ int lumStride, int chromStride, int dstStride);
+void (*yuv422ptoyuy2)(const uint8_t *ysrc, const uint8_t *usrc,
+ const uint8_t *vsrc, uint8_t *dst,
+ int width, int height,
+ int lumStride, int chromStride, int dstStride);
+void (*yuv422ptouyvy)(const uint8_t *ysrc, const uint8_t *usrc,
+ const uint8_t *vsrc, uint8_t *dst,
+ int width, int height,
+ int lumStride, int chromStride, int dstStride);
+void (*yuy2toyv12)(const uint8_t *src, uint8_t *ydst,
+ uint8_t *udst, uint8_t *vdst,
+ int width, int height,
+ int lumStride, int chromStride, int srcStride);
+void (*rgb24toyv12)(const uint8_t *src, uint8_t *ydst,
+ uint8_t *udst, uint8_t *vdst,
+ int width, int height,
+ int lumStride, int chromStride, int srcStride);
+void (*planar2x)(const uint8_t *src, uint8_t *dst, int width, int height,
+ int srcStride, int dstStride);
+void (*interleaveBytes)(const uint8_t *src1, const uint8_t *src2, uint8_t *dst,
+ int width, int height, int src1Stride,
+ int src2Stride, int 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);
-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);
-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);
-
-
-#if ARCH_X86 && CONFIG_GPL
-DECLARE_ASM_CONST(8, uint64_t, mmx_null) = 0x0000000000000000ULL;
-DECLARE_ASM_CONST(8, uint64_t, mmx_one) = 0xFFFFFFFFFFFFFFFFULL;
-DECLARE_ASM_CONST(8, uint64_t, mask32b) = 0x000000FF000000FFULL;
-DECLARE_ASM_CONST(8, uint64_t, mask32g) = 0x0000FF000000FF00ULL;
-DECLARE_ASM_CONST(8, uint64_t, mask32r) = 0x00FF000000FF0000ULL;
-DECLARE_ASM_CONST(8, uint64_t, mask32a) = 0xFF000000FF000000ULL;
-DECLARE_ASM_CONST(8, uint64_t, mask32) = 0x00FFFFFF00FFFFFFULL;
-DECLARE_ASM_CONST(8, uint64_t, mask3216br) = 0x00F800F800F800F8ULL;
-DECLARE_ASM_CONST(8, uint64_t, mask3216g) = 0x0000FC000000FC00ULL;
-DECLARE_ASM_CONST(8, uint64_t, mask3215g) = 0x0000F8000000F800ULL;
-DECLARE_ASM_CONST(8, uint64_t, mul3216) = 0x2000000420000004ULL;
-DECLARE_ASM_CONST(8, uint64_t, mul3215) = 0x2000000820000008ULL;
-DECLARE_ASM_CONST(8, uint64_t, mask24b) = 0x00FF0000FF0000FFULL;
-DECLARE_ASM_CONST(8, uint64_t, mask24g) = 0xFF0000FF0000FF00ULL;
-DECLARE_ASM_CONST(8, uint64_t, mask24r) = 0x0000FF0000FF0000ULL;
-DECLARE_ASM_CONST(8, uint64_t, mask24l) = 0x0000000000FFFFFFULL;
-DECLARE_ASM_CONST(8, uint64_t, mask24h) = 0x0000FFFFFF000000ULL;
-DECLARE_ASM_CONST(8, uint64_t, mask24hh) = 0xffff000000000000ULL;
-DECLARE_ASM_CONST(8, uint64_t, mask24hhh) = 0xffffffff00000000ULL;
-DECLARE_ASM_CONST(8, uint64_t, mask24hhhh) = 0xffffffffffff0000ULL;
-DECLARE_ASM_CONST(8, uint64_t, mask15b) = 0x001F001F001F001FULL; /* 00000000 00011111 xxB */
-DECLARE_ASM_CONST(8, uint64_t, mask15rg) = 0x7FE07FE07FE07FE0ULL; /* 01111111 11100000 RGx */
-DECLARE_ASM_CONST(8, uint64_t, mask15s) = 0xFFE0FFE0FFE0FFE0ULL;
-DECLARE_ASM_CONST(8, uint64_t, mask15g) = 0x03E003E003E003E0ULL;
-DECLARE_ASM_CONST(8, uint64_t, mask15r) = 0x7C007C007C007C00ULL;
-#define mask16b mask15b
-DECLARE_ASM_CONST(8, uint64_t, mask16g) = 0x07E007E007E007E0ULL;
-DECLARE_ASM_CONST(8, uint64_t, mask16r) = 0xF800F800F800F800ULL;
-DECLARE_ASM_CONST(8, uint64_t, red_16mask) = 0x0000f8000000f800ULL;
-DECLARE_ASM_CONST(8, uint64_t, green_16mask) = 0x000007e0000007e0ULL;
-DECLARE_ASM_CONST(8, uint64_t, blue_16mask) = 0x0000001f0000001fULL;
-DECLARE_ASM_CONST(8, uint64_t, red_15mask) = 0x00007c0000007c00ULL;
-DECLARE_ASM_CONST(8, uint64_t, green_15mask) = 0x000003e0000003e0ULL;
-DECLARE_ASM_CONST(8, uint64_t, blue_15mask) = 0x0000001f0000001fULL;
-#endif /* ARCH_X86 */
+ int width, int height,
+ int srcStride1, int srcStride2,
+ int dstStride1, int dstStride2);
+void (*yvu9_to_yuy2)(const uint8_t *src1, const uint8_t *src2,
+ const uint8_t *src3, uint8_t *dst,
+ int width, int height,
+ int srcStride1, int srcStride2,
+ int srcStride3, int dstStride);
+void (*uyvytoyuv420)(uint8_t *ydst, uint8_t *udst, uint8_t *vdst,
+ const uint8_t *src, int width, int height,
+ int lumStride, int chromStride, int srcStride);
+void (*uyvytoyuv422)(uint8_t *ydst, uint8_t *udst, uint8_t *vdst,
+ const uint8_t *src, int width, int height,
+ int lumStride, int chromStride, int srcStride);
+void (*yuyvtoyuv420)(uint8_t *ydst, uint8_t *udst, uint8_t *vdst,
+ const uint8_t *src, int width, int height,
+ int lumStride, int chromStride, int srcStride);
+void (*yuyvtoyuv422)(uint8_t *ydst, uint8_t *udst, uint8_t *vdst,
+ const uint8_t *src, int width, int height,
+ int lumStride, int chromStride, int srcStride);
#define RGB2YUV_SHIFT 8
-#define BY ((int)( 0.098*(1<<RGB2YUV_SHIFT)+0.5))
-#define BV ((int)(-0.071*(1<<RGB2YUV_SHIFT)+0.5))
-#define BU ((int)( 0.439*(1<<RGB2YUV_SHIFT)+0.5))
-#define GY ((int)( 0.504*(1<<RGB2YUV_SHIFT)+0.5))
-#define GV ((int)(-0.368*(1<<RGB2YUV_SHIFT)+0.5))
-#define GU ((int)(-0.291*(1<<RGB2YUV_SHIFT)+0.5))
-#define RY ((int)( 0.257*(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 versions, there is no 3DNOW + MMX2 one.
-//plain C versions
-#undef HAVE_MMX
-#undef HAVE_MMX2
-#undef HAVE_AMD3DNOW
-#undef HAVE_SSE2
-#define HAVE_MMX 0
-#define HAVE_MMX2 0
-#define HAVE_AMD3DNOW 0
-#define HAVE_SSE2 0
-#define RENAME(a) a ## _C
-#include "rgb2rgb_template.c"
-
-#if ARCH_X86 && CONFIG_GPL
-
-//MMX versions
-#undef RENAME
-#undef HAVE_MMX
-#define HAVE_MMX 1
-#define RENAME(a) a ## _MMX
-#include "rgb2rgb_template.c"
-
-//MMX2 versions
-#undef RENAME
-#undef HAVE_MMX2
-#define HAVE_MMX2 1
-#define RENAME(a) a ## _MMX2
-#include "rgb2rgb_template.c"
+#define BY ((int)( 0.098 * (1 << RGB2YUV_SHIFT) + 0.5))
+#define BV ((int)(-0.071 * (1 << RGB2YUV_SHIFT) + 0.5))
+#define BU ((int)( 0.439 * (1 << RGB2YUV_SHIFT) + 0.5))
+#define GY ((int)( 0.504 * (1 << RGB2YUV_SHIFT) + 0.5))
+#define GV ((int)(-0.368 * (1 << RGB2YUV_SHIFT) + 0.5))
+#define GU ((int)(-0.291 * (1 << RGB2YUV_SHIFT) + 0.5))
+#define RY ((int)( 0.257 * (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))
-//3DNOW versions
-#undef RENAME
-#undef HAVE_MMX2
-#undef HAVE_AMD3DNOW
-#define HAVE_MMX2 0
-#define HAVE_AMD3DNOW 1
-#define RENAME(a) a ## _3DNOW
+//plain C versions
#include "rgb2rgb_template.c"
-#endif //ARCH_X86 || ARCH_X86_64
-
/*
- RGB15->RGB16 original by Strepto/Astral
- ported to gcc & bugfixed : A'rpi
- MMX2, 3DNOW optimization by Nick Kurshev
- 32-bit C version, and and&add trick by Michael Niedermayer
-*/
-
-void sws_rgb2rgb_init(int flags){
-#if (HAVE_MMX2 || HAVE_AMD3DNOW || HAVE_MMX) && 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 /* HAVE_MMX2 || HAVE_AMD3DNOW || HAVE_MMX */
- rgb2rgb_init_C();
-}
-
-/**
- * Convert the palette to the same packet 32-bit format as the palette
+ * RGB15->RGB16 original by Strepto/Astral
+ * ported to gcc & bugfixed : A'rpi
+ * MMXEXT, 3DNOW optimization by Nick Kurshev
+ * 32-bit C version, and and&add trick by Michael Niedermayer
*/
-void palette8topacked32(const uint8_t *src, uint8_t *dst, long num_pixels, const uint8_t *palette)
-{
- long i;
-
- for (i=0; i<num_pixels; i++)
- ((uint32_t *) dst)[i] = ((const uint32_t *) palette)[src[i]];
-}
-/**
- * Palette format: ABCD -> dst format: ABC
- */
-void palette8topacked24(const uint8_t *src, uint8_t *dst, long num_pixels, const uint8_t *palette)
+av_cold void sws_rgb2rgb_init(void)
{
- long 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;
- }
+ rgb2rgb_init_c();
+ if (HAVE_MMX)
+ rgb2rgb_init_x86();
}
-/**
- * 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)
+void rgb32to24(const uint8_t *src, uint8_t *dst, int src_size)
{
- long i;
- for (i=0; i<num_pixels; i++)
- ((uint16_t *)dst)[i] = ((const 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(((const uint16_t *)palette)[src[i]]);
+ int i, 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
+ }
}
-/**
- * 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)
-{
- long i;
- for (i=0; i<num_pixels; i++)
- ((uint16_t *)dst)[i] = ((const uint16_t *)palette)[src[i]];
-}
-void palette8tobgr15(const uint8_t *src, uint8_t *dst, long num_pixels, const uint8_t *palette)
+void rgb24to32(const uint8_t *src, uint8_t *dst, int src_size)
{
- long i;
- for (i=0; i<num_pixels; i++)
- ((uint16_t *)dst)[i] = bswap_16(((const uint16_t *)palette)[src[i]]);
+ int 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 rgb32to24(const uint8_t *src, uint8_t *dst, long src_size)
+void rgb16tobgr32(const uint8_t *src, uint8_t *dst, int src_size)
{
- 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
+ uint8_t *d = dst;
+ const uint16_t *s = (const uint16_t *)src;
+ const uint16_t *end = s + src_size / 2;
+
+ while (s < end) {
+ register uint16_t 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 rgb24to32(const uint8_t *src, uint8_t *dst, long src_size)
+void rgb12to15(const uint8_t *src, uint8_t *dst, int src_size)
{
- 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
+ uint16_t rgb, r, g, b;
+ uint16_t *d = (uint16_t *)dst;
+ const uint16_t *s = (const uint16_t *)src;
+ const uint16_t *end = s + src_size / 2;
+
+ while (s < end) {
+ rgb = *s++;
+ r = rgb & 0xF00;
+ g = rgb & 0x0F0;
+ b = rgb & 0x00F;
+ r = (r << 3) | ((r & 0x800) >> 1);
+ g = (g << 2) | ((g & 0x080) >> 2);
+ b = (b << 1) | ( b >> 3);
+ *d++ = r | g | b;
}
}
-void rgb16tobgr32(const uint8_t *src, uint8_t *dst, long src_size)
+void rgb16to24(const uint8_t *src, uint8_t *dst, int src_size)
{
- 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
+ uint8_t *d = dst;
+ const uint16_t *s = (const uint16_t *)src;
+ const uint16_t *end = s + src_size / 2;
+
+ while (s < end) {
+ register uint16_t bgr = *s++;
+ *d++ = (bgr & 0xF800) >> 8;
+ *d++ = (bgr & 0x7E0) >> 3;
+ *d++ = (bgr & 0x1F) << 3;
}
}
-void rgb16to24(const uint8_t *src, uint8_t *dst, long src_size)
+void rgb16tobgr16(const uint8_t *src, uint8_t *dst, int src_size)
{
- 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;
+ int i, 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 rgb16tobgr16(const uint8_t *src, uint8_t *dst, long src_size)
+void rgb16tobgr15(const uint8_t *src, uint8_t *dst, int src_size)
{
- long i;
- long num_pixels = src_size >> 1;
+ int i, 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);
+ 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 rgb16tobgr15(const uint8_t *src, uint8_t *dst, long src_size)
+void rgb15tobgr32(const uint8_t *src, uint8_t *dst, int src_size)
{
- 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);
+ uint8_t *d = dst;
+ const uint16_t *s = (const uint16_t *)src;
+ const uint16_t *end = s + src_size / 2;
+
+ while (s < end) {
+ register uint16_t 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 rgb15tobgr32(const uint8_t *src, uint8_t *dst, long src_size)
+void rgb15to24(const uint8_t *src, uint8_t *dst, int src_size)
{
- 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
+ uint8_t *d = dst;
+ const uint16_t *s = (const uint16_t *)src;
+ const uint16_t *end = s + src_size / 2;
+
+ while (s < end) {
+ register uint16_t bgr = *s++;
+ *d++ = (bgr & 0x7C00) >> 7;
+ *d++ = (bgr & 0x3E0) >> 2;
+ *d++ = (bgr & 0x1F) << 3;
}
}
-void rgb15to24(const uint8_t *src, uint8_t *dst, long src_size)
+void rgb15tobgr16(const uint8_t *src, uint8_t *dst, int src_size)
{
- 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;
+ int i, 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 rgb15tobgr16(const uint8_t *src, uint8_t *dst, long src_size)
+void rgb15tobgr15(const uint8_t *src, uint8_t *dst, int src_size)
{
- long i;
- long num_pixels = src_size >> 1;
+ int i, 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);
+ for (i = 0; i < num_pixels; i++) {
+ unsigned rgb = ((const uint16_t *)src)[i];
+ unsigned br = rgb & 0x7C1F;
+ ((uint16_t *)dst)[i] = (br >> 10) | (rgb & 0x3E0) | (br << 10);
}
}
-void rgb15tobgr15(const uint8_t *src, uint8_t *dst, long src_size)
+void rgb12tobgr12(const uint8_t *src, uint8_t *dst, int src_size)
{
- 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);
+ uint16_t *d = (uint16_t *)dst;
+ uint16_t *s = (uint16_t *)src;
+ int i, num_pixels = src_size >> 1;
+
+ for (i = 0; i < num_pixels; i++) {
+ unsigned rgb = s[i];
+ d[i] = (rgb << 8 | rgb & 0xF0 | rgb >> 8) & 0xFFF;
}
}
-void bgr8torgb8(const uint8_t *src, uint8_t *dst, long src_size)
+void bgr8torgb8(const uint8_t *src, uint8_t *dst, int 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);
+ int i, num_pixels = src_size;
+
+ for (i = 0; i < num_pixels; i++) {
+ register uint8_t rgb = src[i];
+ unsigned r = (rgb & 0x07);
+ unsigned g = (rgb & 0x38) >> 3;
+ unsigned 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, int src_size) \
+{ \
+ int 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