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Diffstat (limited to 'ffmpeg1/libswscale/rgb2rgb.c')
| -rw-r--r-- | ffmpeg1/libswscale/rgb2rgb.c | 390 |
1 files changed, 390 insertions, 0 deletions
diff --git a/ffmpeg1/libswscale/rgb2rgb.c b/ffmpeg1/libswscale/rgb2rgb.c new file mode 100644 index 0000000..1233a1d --- /dev/null +++ b/ffmpeg1/libswscale/rgb2rgb.c @@ -0,0 +1,390 @@ +/* + * 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) + * + * This file is part of FFmpeg. + * + * FFmpeg 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, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * 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 Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include <inttypes.h> + +#include "libavutil/attributes.h" +#include "libavutil/bswap.h" +#include "config.h" +#include "rgb2rgb.h" +#include "swscale.h" +#include "swscale_internal.h" + +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, + 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)) + +//plain C versions +#include "rgb2rgb_template.c" + +/* + * 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 + */ + +av_cold void sws_rgb2rgb_init(void) +{ + rgb2rgb_init_c(); + if (HAVE_MMX) + rgb2rgb_init_x86(); +} + +void rgb32to24(const uint8_t *src, uint8_t *dst, int src_size) +{ + 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 + } +} + +void rgb24to32(const uint8_t *src, uint8_t *dst, int src_size) +{ + 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 rgb16tobgr32(const uint8_t *src, uint8_t *dst, int src_size) +{ + 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&0x001F)<<3) | ((bgr&0x001F)>> 2); + *d++ = ((bgr&0x07E0)>>3) | ((bgr&0x07E0)>> 9); + *d++ = ((bgr&0xF800)>>8) | ((bgr&0xF800)>>13); +#else + *d++ = ((bgr&0xF800)>>8) | ((bgr&0xF800)>>13); + *d++ = ((bgr&0x07E0)>>3) | ((bgr&0x07E0)>> 9); + *d++ = ((bgr&0x001F)<<3) | ((bgr&0x001F)>> 2); + *d++ = 255; +#endif + } +} + +void rgb12to15(const uint8_t *src, uint8_t *dst, int src_size) +{ + 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 rgb16to24(const uint8_t *src, uint8_t *dst, int src_size) +{ + 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) | ((bgr&0xF800)>>13); + *d++ = ((bgr&0x07E0)>>3) | ((bgr&0x07E0)>> 9); + *d++ = ((bgr&0x001F)<<3) | ((bgr&0x001F)>> 2); + } +} + +void rgb16tobgr16(const uint8_t *src, uint8_t *dst, int src_size) +{ + 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 rgb16tobgr15(const uint8_t *src, uint8_t *dst, int src_size) +{ + 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 & 0x7C0) >> 1) | ((rgb & 0x1F) << 10); + } +} + +void rgb15tobgr32(const uint8_t *src, uint8_t *dst, int src_size) +{ + 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&0x001F)<<3) | ((bgr&0x001F)>> 2); + *d++ = ((bgr&0x03E0)>>2) | ((bgr&0x03E0)>> 7); + *d++ = ((bgr&0x7C00)>>7) | ((bgr&0x7C00)>>12); +#else + *d++ = ((bgr&0x7C00)>>7) | ((bgr&0x7C00)>>12); + *d++ = ((bgr&0x03E0)>>2) | ((bgr&0x03E0)>> 7); + *d++ = ((bgr&0x001F)<<3) | ((bgr&0x001F)>> 2); + *d++ = 255; +#endif + } +} + +void rgb15to24(const uint8_t *src, uint8_t *dst, int src_size) +{ + 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) | ((bgr&0x7C00)>>12); + *d++ = ((bgr&0x03E0)>>2) | ((bgr&0x03E0)>> 7); + *d++ = ((bgr&0x001F)<<3) | ((bgr&0x001F)>> 2); + } +} + +void rgb15tobgr16(const uint8_t *src, uint8_t *dst, int src_size) +{ + 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 rgb15tobgr15(const uint8_t *src, uint8_t *dst, int src_size) +{ + int i, num_pixels = src_size >> 1; + + 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 rgb12tobgr12(const uint8_t *src, uint8_t *dst, int src_size) +{ + 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; + } +} + + +#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) + +#define DEFINE_RGB48TOBGR48(need_bswap, swap) \ +void rgb48tobgr48_ ## need_bswap(const uint8_t *src, \ + uint8_t *dst, int src_size) \ +{ \ + 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 += 3) { \ + d[i ] = swap ? av_bswap16(s[i + 2]) : s[i + 2]; \ + d[i + 1] = swap ? av_bswap16(s[i + 1]) : s[i + 1]; \ + d[i + 2] = swap ? av_bswap16(s[i ]) : s[i ]; \ + } \ +} + +DEFINE_RGB48TOBGR48(nobswap, 0) +DEFINE_RGB48TOBGR48(bswap, 1) + +#define DEFINE_RGB64TOBGR48(need_bswap, swap) \ +void rgb64tobgr48_ ## need_bswap(const uint8_t *src, \ + uint8_t *dst, int src_size) \ +{ \ + uint16_t *d = (uint16_t *)dst; \ + uint16_t *s = (uint16_t *)src; \ + int i, num_pixels = src_size >> 3; \ + \ + for (i = 0; i < num_pixels; i++) { \ + d[3 * i ] = swap ? av_bswap16(s[4 * i + 2]) : s[4 * i + 2]; \ + d[3 * i + 1] = swap ? av_bswap16(s[4 * i + 1]) : s[4 * i + 1]; \ + d[3 * i + 2] = swap ? av_bswap16(s[4 * i ]) : s[4 * i ]; \ + } \ +} + +DEFINE_RGB64TOBGR48(nobswap, 0) +DEFINE_RGB64TOBGR48(bswap, 1) + +#define DEFINE_RGB64TO48(need_bswap, swap) \ +void rgb64to48_ ## need_bswap(const uint8_t *src, \ + uint8_t *dst, int src_size) \ +{ \ + uint16_t *d = (uint16_t *)dst; \ + uint16_t *s = (uint16_t *)src; \ + int i, num_pixels = src_size >> 3; \ + \ + for (i = 0; i < num_pixels; i++) { \ + d[3 * i ] = swap ? av_bswap16(s[4 * i ]) : s[4 * i ]; \ + d[3 * i + 1] = swap ? av_bswap16(s[4 * i + 1]) : s[4 * i + 1]; \ + d[3 * i + 2] = swap ? av_bswap16(s[4 * i + 2]) : s[4 * i + 2]; \ + } \ +} + +DEFINE_RGB64TO48(nobswap, 0) +DEFINE_RGB64TO48(bswap, 1) |