| /* |
| * software YUV to RGB converter |
| * |
| * Copyright (C) 2001-2007 Michael Niedermayer |
| * (c) 2010 Konstantin Shishkov |
| * |
| * 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 <stdint.h> |
| |
| #include "libavutil/x86/asm.h" |
| #include "libswscale/swscale_internal.h" |
| |
| #define YUV2RGB_LOOP(depth) \ |
| h_size = (c->dstW + 7) & ~7; \ |
| if (h_size * depth > FFABS(dstStride[0])) \ |
| h_size -= 8; \ |
| \ |
| vshift = c->srcFormat != AV_PIX_FMT_YUV422P; \ |
| \ |
| for (y = 0; y < srcSliceH; y++) { \ |
| uint8_t *image = dst[0] + (y + srcSliceY) * dstStride[0]; \ |
| const uint8_t *py = src[0] + y * srcStride[0]; \ |
| const uint8_t *pu = src[1] + (y >> vshift) * srcStride[1]; \ |
| const uint8_t *pv = src[2] + (y >> vshift) * srcStride[2]; \ |
| x86_reg index = -h_size / 2; \ |
| |
| extern void RENAME(ff_yuv_420_rgb24)(x86_reg index, uint8_t *image, const uint8_t *pu_index, |
| const uint8_t *pv_index, const uint64_t *pointer_c_dither, |
| const uint8_t *py_2index); |
| extern void RENAME(ff_yuv_420_bgr24)(x86_reg index, uint8_t *image, const uint8_t *pu_index, |
| const uint8_t *pv_index, const uint64_t *pointer_c_dither, |
| const uint8_t *py_2index); |
| |
| #if !COMPILE_TEMPLATE_MMXEXT |
| extern void RENAME(ff_yuv_420_rgb15)(x86_reg index, uint8_t *image, const uint8_t *pu_index, |
| const uint8_t *pv_index, const uint64_t *pointer_c_dither, |
| const uint8_t *py_2index); |
| extern void RENAME(ff_yuv_420_rgb16)(x86_reg index, uint8_t *image, const uint8_t *pu_index, |
| const uint8_t *pv_index, const uint64_t *pointer_c_dither, |
| const uint8_t *py_2index); |
| extern void RENAME(ff_yuv_420_rgb32)(x86_reg index, uint8_t *image, const uint8_t *pu_index, |
| const uint8_t *pv_index, const uint64_t *pointer_c_dither, |
| const uint8_t *py_2index); |
| extern void RENAME(ff_yuv_420_bgr32)(x86_reg index, uint8_t *image, const uint8_t *pu_index, |
| const uint8_t *pv_index, const uint64_t *pointer_c_dither, |
| const uint8_t *py_2index); |
| extern void RENAME(ff_yuva_420_rgb32)(x86_reg index, uint8_t *image, const uint8_t *pu_index, |
| const uint8_t *pv_index, const uint64_t *pointer_c_dither, |
| const uint8_t *py_2index, const uint8_t *pa_2index); |
| extern void RENAME(ff_yuva_420_bgr32)(x86_reg index, uint8_t *image, const uint8_t *pu_index, |
| const uint8_t *pv_index, const uint64_t *pointer_c_dither, |
| const uint8_t *py_2index, const uint8_t *pa_2index); |
| |
| static inline int RENAME(yuv420_rgb15)(SwsContext *c, const uint8_t *src[], |
| int srcStride[], |
| int srcSliceY, int srcSliceH, |
| uint8_t *dst[], int dstStride[]) |
| { |
| int y, h_size, vshift; |
| |
| YUV2RGB_LOOP(2) |
| |
| #ifdef DITHER1XBPP |
| c->blueDither = ff_dither8[y & 1]; |
| c->greenDither = ff_dither8[y & 1]; |
| c->redDither = ff_dither8[(y + 1) & 1]; |
| #endif |
| |
| RENAME(ff_yuv_420_rgb15)(index, image, pu - index, pv - index, &(c->redDither), py - 2 * index); |
| } |
| return srcSliceH; |
| } |
| |
| static inline int RENAME(yuv420_rgb16)(SwsContext *c, const uint8_t *src[], |
| int srcStride[], |
| int srcSliceY, int srcSliceH, |
| uint8_t *dst[], int dstStride[]) |
| { |
| int y, h_size, vshift; |
| |
| YUV2RGB_LOOP(2) |
| |
| #ifdef DITHER1XBPP |
| c->blueDither = ff_dither8[y & 1]; |
| c->greenDither = ff_dither4[y & 1]; |
| c->redDither = ff_dither8[(y + 1) & 1]; |
| #endif |
| |
| RENAME(ff_yuv_420_rgb16)(index, image, pu - index, pv - index, &(c->redDither), py - 2 * index); |
| } |
| return srcSliceH; |
| } |
| |
| static inline int RENAME(yuv420_rgb32)(SwsContext *c, const uint8_t *src[], |
| int srcStride[], |
| int srcSliceY, int srcSliceH, |
| uint8_t *dst[], int dstStride[]) |
| { |
| int y, h_size, vshift; |
| |
| YUV2RGB_LOOP(4) |
| |
| RENAME(ff_yuv_420_rgb32)(index, image, pu - index, pv - index, &(c->redDither), py - 2 * index); |
| } |
| return srcSliceH; |
| } |
| |
| static inline int RENAME(yuv420_bgr32)(SwsContext *c, const uint8_t *src[], |
| int srcStride[], |
| int srcSliceY, int srcSliceH, |
| uint8_t *dst[], int dstStride[]) |
| { |
| int y, h_size, vshift; |
| |
| YUV2RGB_LOOP(4) |
| |
| RENAME(ff_yuv_420_bgr32)(index, image, pu - index, pv - index, &(c->redDither), py - 2 * index); |
| } |
| return srcSliceH; |
| } |
| |
| static inline int RENAME(yuva420_rgb32)(SwsContext *c, const uint8_t *src[], |
| int srcStride[], |
| int srcSliceY, int srcSliceH, |
| uint8_t *dst[], int dstStride[]) |
| { |
| int y, h_size, vshift; |
| YUV2RGB_LOOP(4) |
| |
| const uint8_t *pa = src[3] + y * srcStride[3]; |
| RENAME(ff_yuva_420_rgb32)(index, image, pu - index, pv - index, &(c->redDither), py - 2 * index, pa - 2 * index); |
| } |
| return srcSliceH; |
| } |
| |
| static inline int RENAME(yuva420_bgr32)(SwsContext *c, const uint8_t *src[], |
| int srcStride[], |
| int srcSliceY, int srcSliceH, |
| uint8_t *dst[], int dstStride[]) |
| { |
| int y, h_size, vshift; |
| |
| YUV2RGB_LOOP(4) |
| |
| const uint8_t *pa = src[3] + y * srcStride[3]; |
| RENAME(ff_yuva_420_bgr32)(index, image, pu - index, pv - index, &(c->redDither), py - 2 * index, pa - 2 * index); |
| } |
| return srcSliceH; |
| } |
| #endif |
| |
| static inline int RENAME(yuv420_rgb24)(SwsContext *c, const uint8_t *src[], |
| int srcStride[], |
| int srcSliceY, int srcSliceH, |
| uint8_t *dst[], int dstStride[]) |
| { |
| int y, h_size, vshift; |
| |
| YUV2RGB_LOOP(3) |
| |
| RENAME(ff_yuv_420_rgb24)(index, image, pu - index, pv - index, &(c->redDither), py - 2 * index); |
| } |
| return srcSliceH; |
| } |
| |
| static inline int RENAME(yuv420_bgr24)(SwsContext *c, const uint8_t *src[], |
| int srcStride[], |
| int srcSliceY, int srcSliceH, |
| uint8_t *dst[], int dstStride[]) |
| { |
| int y, h_size, vshift; |
| |
| YUV2RGB_LOOP(3) |
| |
| RENAME(ff_yuv_420_bgr24)(index, image, pu - index, pv - index, &(c->redDither), py - 2 * index); |
| } |
| return srcSliceH; |
| } |
| |