1
0
mirror of https://github.com/mpv-player/mpv synced 2024-12-14 19:05:33 +00:00
mpv/libswscale/yuv2rgb_mlib.c
diego 411a4b4058 This was rewritten by Michael, switch copyrights to him and license to LGPL.
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@23796 b3059339-0415-0410-9bf9-f77b7e298cf2
2007-07-17 09:35:21 +00:00

85 lines
2.8 KiB
C

/*
* yuv2rgb_mlib.c, Software YUV to RGB converter using mediaLib
* Copyright (C) 2003 Michael Niedermayer <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 <mlib_types.h>
#include <mlib_status.h>
#include <mlib_sys.h>
#include <mlib_video.h>
#include <inttypes.h>
#include <stdlib.h>
#include <assert.h>
#include "swscale.h"
static int mlib_YUV2ARGB420_32(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY,
int srcSliceH, uint8_t* dst[], int dstStride[]){
if(c->srcFormat == PIX_FMT_YUV422P){
srcStride[1] *= 2;
srcStride[2] *= 2;
}
assert(srcStride[1] == srcStride[2]);
mlib_VideoColorYUV2ARGB420(dst[0]+srcSliceY*dstStride[0], src[0], src[1], src[2], c->dstW,
srcSliceH, dstStride[0], srcStride[0], srcStride[1]);
return srcSliceH;
}
static int mlib_YUV2ABGR420_32(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY,
int srcSliceH, uint8_t* dst[], int dstStride[]){
if(c->srcFormat == PIX_FMT_YUV422P){
srcStride[1] *= 2;
srcStride[2] *= 2;
}
assert(srcStride[1] == srcStride[2]);
mlib_VideoColorYUV2ABGR420(dst[0]+srcSliceY*dstStride[0], src[0], src[1], src[2], c->dstW,
srcSliceH, dstStride[0], srcStride[0], srcStride[1]);
return srcSliceH;
}
static int mlib_YUV2RGB420_24(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY,
int srcSliceH, uint8_t* dst[], int dstStride[]){
if(c->srcFormat == PIX_FMT_YUV422P){
srcStride[1] *= 2;
srcStride[2] *= 2;
}
assert(srcStride[1] == srcStride[2]);
mlib_VideoColorYUV2RGB420(dst[0]+srcSliceY*dstStride[0], src[0], src[1], src[2], c->dstW,
srcSliceH, dstStride[0], srcStride[0], srcStride[1]);
return srcSliceH;
}
SwsFunc yuv2rgb_init_mlib(SwsContext *c)
{
switch(c->dstFormat){
case PIX_FMT_RGB24: return mlib_YUV2RGB420_24;
case PIX_FMT_BGR32: return mlib_YUV2ARGB420_32;
case PIX_FMT_RGB32: return mlib_YUV2ABGR420_32;
default: return NULL;
}
}