1/* 2 * software YUV to RGB converter using mediaLib 3 * 4 * Copyright (C) 2003 Michael Niedermayer <michaelni@gmx.at> 5 * 6 * This file is part of FFmpeg. 7 * 8 * FFmpeg is free software; you can redistribute it and/or 9 * modify it under the terms of the GNU Lesser General Public 10 * License as published by the Free Software Foundation; either 11 * version 2.1 of the License, or (at your option) any later version. 12 * 13 * FFmpeg is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 16 * Lesser General Public License for more details. 17 * 18 * You should have received a copy of the GNU Lesser General Public 19 * License along with FFmpeg; if not, write to the Free Software 20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 21 */ 22 23#include <mlib_types.h> 24#include <mlib_status.h> 25#include <mlib_sys.h> 26#include <mlib_video.h> 27#include <inttypes.h> 28#include <stdlib.h> 29#include <assert.h> 30 31#include "swscale.h" 32 33static int mlib_YUV2ARGB420_32(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, 34 int srcSliceH, uint8_t* dst[], int dstStride[]){ 35 if(c->srcFormat == PIX_FMT_YUV422P){ 36 srcStride[1] *= 2; 37 srcStride[2] *= 2; 38 } 39 40 assert(srcStride[1] == srcStride[2]); 41 42 mlib_VideoColorYUV2ARGB420(dst[0]+srcSliceY*dstStride[0], src[0], src[1], src[2], c->dstW, 43 srcSliceH, dstStride[0], srcStride[0], srcStride[1]); 44 return srcSliceH; 45} 46 47static int mlib_YUV2ABGR420_32(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, 48 int srcSliceH, uint8_t* dst[], int dstStride[]){ 49 if(c->srcFormat == PIX_FMT_YUV422P){ 50 srcStride[1] *= 2; 51 srcStride[2] *= 2; 52 } 53 54 assert(srcStride[1] == srcStride[2]); 55 56 mlib_VideoColorYUV2ABGR420(dst[0]+srcSliceY*dstStride[0], src[0], src[1], src[2], c->dstW, 57 srcSliceH, dstStride[0], srcStride[0], srcStride[1]); 58 return srcSliceH; 59} 60 61static int mlib_YUV2RGB420_24(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, 62 int srcSliceH, uint8_t* dst[], int dstStride[]){ 63 if(c->srcFormat == PIX_FMT_YUV422P){ 64 srcStride[1] *= 2; 65 srcStride[2] *= 2; 66 } 67 68 assert(srcStride[1] == srcStride[2]); 69 70 mlib_VideoColorYUV2RGB420(dst[0]+srcSliceY*dstStride[0], src[0], src[1], src[2], c->dstW, 71 srcSliceH, dstStride[0], srcStride[0], srcStride[1]); 72 return srcSliceH; 73} 74 75 76SwsFunc sws_yuv2rgb_init_mlib(SwsContext *c) 77{ 78 switch(c->dstFormat){ 79 case PIX_FMT_RGB24: return mlib_YUV2RGB420_24; 80 case PIX_FMT_BGR32: return mlib_YUV2ARGB420_32; 81 case PIX_FMT_RGB32: return mlib_YUV2ABGR420_32; 82 default: return NULL; 83 } 84} 85 86