Commit da835cc8 authored by Diego Biurrun's avatar Diego Biurrun

Create 0.5 release branch.


Originally committed as revision 17727 to svn://svn.ffmpeg.org/ffmpeg/branches/0.5
parent b00b15be
include $(SUBDIR)../config.mak
NAME = swscale
FFLIBS = avutil
HEADERS = swscale.h
OBJS = rgb2rgb.o swscale.o swscale_avoption.o yuv2rgb.o
OBJS-$(ARCH_BFIN) += internal_bfin.o swscale_bfin.o yuv2rgb_bfin.o
OBJS-$(CONFIG_MLIB) += yuv2rgb_mlib.o
OBJS-$(HAVE_ALTIVEC) += yuv2rgb_altivec.o
OBJS-$(HAVE_VIS) += yuv2rgb_vis.o
TESTS = cs_test swscale-example
CLEANFILES = cs_test swscale-example
include $(SUBDIR)../subdir.mak
$(SUBDIR)cs_test: $(SUBDIR)cs_test.o $(SUBDIR)$(LIBNAME)
$(SUBDIR)swscale-example: $(SUBDIR)swscale-example.o $(SUBDIR)$(LIBNAME)
$(SUBDIR)swscale-example: EXTRALIBS += -lm
/*
* Copyright (C) 2002 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 <stdio.h>
#include <string.h> /* for memset() */
#include <unistd.h>
#include <stdlib.h>
#include <inttypes.h>
#include "swscale.h"
#include "rgb2rgb.h"
#define SIZE 1000
#define srcByte 0x55
#define dstByte 0xBB
#define FUNC(s,d,n) {s,d,#n,n}
static int cpu_caps;
static char *args_parse(int argc, char *argv[])
{
int o;
while ((o = getopt(argc, argv, "m23")) != -1) {
switch (o) {
case 'm':
cpu_caps |= SWS_CPU_CAPS_MMX;
break;
case '2':
cpu_caps |= SWS_CPU_CAPS_MMX2;
break;
case '3':
cpu_caps |= SWS_CPU_CAPS_3DNOW;
break;
default:
av_log(NULL, AV_LOG_ERROR, "Unknown option %c\n", o);
}
}
return argv[optind];
}
int main(int argc, char **argv)
{
int i, funcNum;
uint8_t *srcBuffer= (uint8_t*)av_malloc(SIZE);
uint8_t *dstBuffer= (uint8_t*)av_malloc(SIZE);
int failedNum=0;
int passedNum=0;
av_log(NULL, AV_LOG_INFO, "memory corruption test ...\n");
args_parse(argc, argv);
av_log(NULL, AV_LOG_INFO, "CPU capabilities forced to %x\n", cpu_caps);
sws_rgb2rgb_init(cpu_caps);
for(funcNum=0; ; funcNum++){
struct func_info_s {
int src_bpp;
int dst_bpp;
const char *name;
void (*func)(const uint8_t *src, uint8_t *dst, long src_size);
} func_info[] = {
FUNC(2, 2, rgb15to16),
FUNC(2, 3, rgb15to24),
FUNC(2, 4, rgb15to32),
FUNC(2, 3, rgb16to24),
FUNC(2, 4, rgb16to32),
FUNC(3, 2, rgb24to15),
FUNC(3, 2, rgb24to16),
FUNC(3, 4, rgb24to32),
FUNC(4, 2, rgb32to15),
FUNC(4, 2, rgb32to16),
FUNC(4, 3, rgb32to24),
FUNC(2, 2, rgb16to15),
FUNC(2, 2, rgb15tobgr15),
FUNC(2, 2, rgb15tobgr16),
FUNC(2, 3, rgb15tobgr24),
FUNC(2, 4, rgb15tobgr32),
FUNC(2, 2, rgb16tobgr15),
FUNC(2, 2, rgb16tobgr16),
FUNC(2, 3, rgb16tobgr24),
FUNC(2, 4, rgb16tobgr32),
FUNC(3, 2, rgb24tobgr15),
FUNC(3, 2, rgb24tobgr16),
FUNC(3, 3, rgb24tobgr24),
FUNC(3, 4, rgb24tobgr32),
FUNC(4, 2, rgb32tobgr15),
FUNC(4, 2, rgb32tobgr16),
FUNC(4, 3, rgb32tobgr24),
FUNC(4, 4, rgb32tobgr32),
FUNC(0, 0, NULL)
};
int width;
int failed=0;
int srcBpp=0;
int dstBpp=0;
if (!func_info[funcNum].func) break;
av_log(NULL, AV_LOG_INFO,".");
memset(srcBuffer, srcByte, SIZE);
for(width=63; width>0; width--){
int dstOffset;
for(dstOffset=128; dstOffset<196; dstOffset+=4){
int srcOffset;
memset(dstBuffer, dstByte, SIZE);
for(srcOffset=128; srcOffset<196; srcOffset+=4){
uint8_t *src= srcBuffer+srcOffset;
uint8_t *dst= dstBuffer+dstOffset;
const char *name=NULL;
if(failed) break; //don't fill the screen with shit ...
srcBpp = func_info[funcNum].src_bpp;
dstBpp = func_info[funcNum].dst_bpp;
name = func_info[funcNum].name;
func_info[funcNum].func(src, dst, width*srcBpp);
if(!srcBpp) break;
for(i=0; i<SIZE; i++){
if(srcBuffer[i]!=srcByte){
av_log(NULL, AV_LOG_INFO, "src damaged at %d w:%d src:%d dst:%d %s\n",
i, width, srcOffset, dstOffset, name);
failed=1;
break;
}
}
for(i=0; i<dstOffset; i++){
if(dstBuffer[i]!=dstByte){
av_log(NULL, AV_LOG_INFO, "dst damaged at %d w:%d src:%d dst:%d %s\n",
i, width, srcOffset, dstOffset, name);
failed=1;
break;
}
}
for(i=dstOffset + width*dstBpp; i<SIZE; i++){
if(dstBuffer[i]!=dstByte){
av_log(NULL, AV_LOG_INFO, "dst damaged at %d w:%d src:%d dst:%d %s\n",
i, width, srcOffset, dstOffset, name);
failed=1;
break;
}
}
}
}
}
if(failed) failedNum++;
else if(srcBpp) passedNum++;
}
av_log(NULL, AV_LOG_INFO, "\n%d converters passed, %d converters randomly overwrote memory\n", passedNum, failedNum);
return failedNum;
}
This diff is collapsed.
This diff is collapsed.
/*
* 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
*/
#ifndef SWSCALE_RGB2RGB_H
#define SWSCALE_RGB2RGB_H
#include <inttypes.h>
/* A full collection of RGB to RGB(BGR) converters */
extern void (*rgb24tobgr32)(const uint8_t *src, uint8_t *dst, long src_size);
extern void (*rgb24tobgr16)(const uint8_t *src, uint8_t *dst, long src_size);
extern void (*rgb24tobgr15)(const uint8_t *src, uint8_t *dst, long src_size);
extern void (*rgb32tobgr24)(const uint8_t *src, uint8_t *dst, long src_size);
extern void (*rgb32to16) (const uint8_t *src, uint8_t *dst, long src_size);
extern void (*rgb32to15) (const uint8_t *src, uint8_t *dst, long src_size);
extern void (*rgb15to16) (const uint8_t *src, uint8_t *dst, long src_size);
extern void (*rgb15tobgr24)(const uint8_t *src, uint8_t *dst, long src_size);
extern void (*rgb15to32) (const uint8_t *src, uint8_t *dst, long src_size);
extern void (*rgb16to15) (const uint8_t *src, uint8_t *dst, long src_size);
extern void (*rgb16tobgr24)(const uint8_t *src, uint8_t *dst, long src_size);
extern void (*rgb16to32) (const uint8_t *src, uint8_t *dst, long src_size);
extern void (*rgb24tobgr24)(const uint8_t *src, uint8_t *dst, long src_size);
extern void (*rgb24to16) (const uint8_t *src, uint8_t *dst, long src_size);
extern void (*rgb24to15) (const uint8_t *src, uint8_t *dst, long src_size);
extern void (*rgb32tobgr32)(const uint8_t *src, uint8_t *dst, long src_size);
extern void (*rgb32tobgr16)(const uint8_t *src, uint8_t *dst, long src_size);
extern void (*rgb32tobgr15)(const uint8_t *src, uint8_t *dst, long src_size);
void rgb24to32 (const uint8_t *src, uint8_t *dst, long src_size);
void rgb32to24 (const uint8_t *src, uint8_t *dst, long src_size);
void rgb16tobgr32(const uint8_t *src, uint8_t *dst, long src_size);
void rgb16to24 (const uint8_t *src, uint8_t *dst, long src_size);
void rgb16tobgr16(const uint8_t *src, uint8_t *dst, long src_size);
void rgb16tobgr15(const uint8_t *src, uint8_t *dst, long src_size);
void rgb15tobgr32(const uint8_t *src, uint8_t *dst, long src_size);
void rgb15to24 (const uint8_t *src, uint8_t *dst, long src_size);
void rgb15tobgr16(const uint8_t *src, uint8_t *dst, long src_size);
void rgb15tobgr15(const uint8_t *src, uint8_t *dst, long src_size);
void bgr8torgb8 (const uint8_t *src, uint8_t *dst, long src_size);
void palette8topacked32(const uint8_t *src, uint8_t *dst, long num_pixels, const uint8_t *palette);
void palette8topacked24(const uint8_t *src, uint8_t *dst, long num_pixels, const uint8_t *palette);
void palette8torgb16(const uint8_t *src, uint8_t *dst, long num_pixels, const uint8_t *palette);
void palette8tobgr16(const uint8_t *src, uint8_t *dst, long num_pixels, const uint8_t *palette);
void palette8torgb15(const uint8_t *src, uint8_t *dst, long num_pixels, const uint8_t *palette);
void palette8tobgr15(const uint8_t *src, uint8_t *dst, long num_pixels, const uint8_t *palette);
/**
* Height should be a multiple of 2 and width should be a multiple of 16.
* (If this is a problem for anyone then tell me, and I will fix it.)
* Chrominance data is only taken from every second line, others are ignored.
* FIXME: Write high quality version.
*/
//void uyvytoyv12(const uint8_t *src, uint8_t *ydst, uint8_t *udst, uint8_t *vdst,
/**
* Height should be a multiple of 2 and width should be a multiple of 16.
* (If this is a problem for anyone then tell me, and I will fix it.)
*/
extern 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);
/**
* Width should be a multiple of 16.
*/
extern 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);
/**
* Height should be a multiple of 2 and width should be a multiple of 16.
* (If this is a problem for anyone then tell me, and I will fix it.)
*/
extern 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);
/**
* Height should be a multiple of 2 and width should be a multiple of 16.
* (If this is a problem for anyone then tell me, and I will fix it.)
*/
extern 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);
/**
* Width should be a multiple of 16.
*/
extern 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);
/**
* Height should be a multiple of 2 and width should be a multiple of 2.
* (If this is a problem for anyone then tell me, and I will fix it.)
* Chrominance data is only taken from every second line, others are ignored.
* FIXME: Write high quality version.
*/
extern 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);
extern void (*planar2x)(const uint8_t *src, uint8_t *dst, long width, long height,
long srcStride, long dstStride);
extern void (*interleaveBytes)(uint8_t *src1, uint8_t *src2, uint8_t *dst,
long width, long height, long src1Stride,
long src2Stride, long dstStride);
extern 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);
extern 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 sws_rgb2rgb_init(int flags);
#endif /* SWSCALE_RGB2RGB_H */
This source diff could not be displayed because it is too large. You can view the blob instead.
/*
* 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 <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <inttypes.h>
#include <stdarg.h>
#undef HAVE_AV_CONFIG_H
#include "libavutil/avutil.h"
#include "swscale.h"
#include "swscale_internal.h"
static uint64_t getSSD(uint8_t *src1, uint8_t *src2, int stride1, int stride2, int w, int h){
int x,y;
uint64_t ssd=0;
//printf("%d %d\n", w, h);
for (y=0; y<h; y++){
for (x=0; x<w; x++){
int d= src1[x + y*stride1] - src2[x + y*stride2];
ssd+= d*d;
//printf("%d", abs(src1[x + y*stride1] - src2[x + y*stride2])/26 );
}
//printf("\n");
}
return ssd;
}
// test by ref -> src -> dst -> out & compare out against ref
// ref & out are YV12
static int doTest(uint8_t *ref[3], int refStride[3], int w, int h, int srcFormat, int dstFormat,
int srcW, int srcH, int dstW, int dstH, int flags){
uint8_t *src[3];
uint8_t *dst[3];
uint8_t *out[3];
int srcStride[3], dstStride[3];
int i;
uint64_t ssdY, ssdU, ssdV;
struct SwsContext *srcContext, *dstContext, *outContext;
int res;
res = 0;
for (i=0; i<3; i++){
// avoid stride % bpp != 0
if (srcFormat==PIX_FMT_RGB24 || srcFormat==PIX_FMT_BGR24)
srcStride[i]= srcW*3;
else
srcStride[i]= srcW*4;
if (dstFormat==PIX_FMT_RGB24 || dstFormat==PIX_FMT_BGR24)
dstStride[i]= dstW*3;
else
dstStride[i]= dstW*4;
src[i]= (uint8_t*) malloc(srcStride[i]*srcH);
dst[i]= (uint8_t*) malloc(dstStride[i]*dstH);
out[i]= (uint8_t*) malloc(refStride[i]*h);
if (!src[i] || !dst[i] || !out[i]) {
perror("Malloc");
res = -1;
goto end;
}
}
dstContext = outContext = NULL;
srcContext= sws_getContext(w, h, PIX_FMT_YUV420P, srcW, srcH, srcFormat, flags, NULL, NULL, NULL);
if (!srcContext) {
fprintf(stderr, "Failed to get %s ---> %s\n",
sws_format_name(PIX_FMT_YUV420P),
sws_format_name(srcFormat));
res = -1;
goto end;
}
dstContext= sws_getContext(srcW, srcH, srcFormat, dstW, dstH, dstFormat, flags, NULL, NULL, NULL);
if (!dstContext) {
fprintf(stderr, "Failed to get %s ---> %s\n",
sws_format_name(srcFormat),
sws_format_name(dstFormat));
res = -1;
goto end;
}
outContext= sws_getContext(dstW, dstH, dstFormat, w, h, PIX_FMT_YUV420P, flags, NULL, NULL, NULL);
if (!outContext) {
fprintf(stderr, "Failed to get %s ---> %s\n",
sws_format_name(dstFormat),
sws_format_name(PIX_FMT_YUV420P));
res = -1;
goto end;
}
// printf("test %X %X %X -> %X %X %X\n", (int)ref[0], (int)ref[1], (int)ref[2],
// (int)src[0], (int)src[1], (int)src[2]);
sws_scale(srcContext, ref, refStride, 0, h , src, srcStride);
sws_scale(dstContext, src, srcStride, 0, srcH, dst, dstStride);
sws_scale(outContext, dst, dstStride, 0, dstH, out, refStride);
ssdY= getSSD(ref[0], out[0], refStride[0], refStride[0], w, h);
ssdU= getSSD(ref[1], out[1], refStride[1], refStride[1], (w+1)>>1, (h+1)>>1);
ssdV= getSSD(ref[2], out[2], refStride[2], refStride[2], (w+1)>>1, (h+1)>>1);
if (srcFormat == PIX_FMT_GRAY8 || dstFormat==PIX_FMT_GRAY8) ssdU=ssdV=0; //FIXME check that output is really gray
ssdY/= w*h;
ssdU/= w*h/4;
ssdV/= w*h/4;
printf(" %s %dx%d -> %s %4dx%4d flags=%2d SSD=%5lld,%5lld,%5lld\n",
sws_format_name(srcFormat), srcW, srcH,
sws_format_name(dstFormat), dstW, dstH,
flags, ssdY, ssdU, ssdV);
fflush(stdout);
end:
sws_freeContext(srcContext);
sws_freeContext(dstContext);
sws_freeContext(outContext);
for (i=0; i<3; i++){
free(src[i]);
free(dst[i]);
free(out[i]);
}
return res;
}
static void selfTest(uint8_t *src[3], int stride[3], int w, int h){
enum PixelFormat srcFormat, dstFormat;
int srcW, srcH, dstW, dstH;
int flags;
for (srcFormat = 0; srcFormat < PIX_FMT_NB; srcFormat++) {
for (dstFormat = 0; dstFormat < PIX_FMT_NB; dstFormat++) {
printf("%s -> %s\n",
sws_format_name(srcFormat),
sws_format_name(dstFormat));
fflush(stdout);
srcW= w;
srcH= h;
for (dstW=w - w/3; dstW<= 4*w/3; dstW+= w/3){
for (dstH=h - h/3; dstH<= 4*h/3; dstH+= h/3){
for (flags=1; flags<33; flags*=2) {
int res;
res = doTest(src, stride, w, h, srcFormat, dstFormat,
srcW, srcH, dstW, dstH, flags);
if (res < 0) {
dstW = 4 * w / 3;
dstH = 4 * h / 3;
flags = 33;
}
}
}
}
}
}
}
#define W 96
#define H 96
int main(int argc, char **argv){
uint8_t *rgb_data = malloc (W*H*4);
uint8_t *rgb_src[3]= {rgb_data, NULL, NULL};
int rgb_stride[3]={4*W, 0, 0};
uint8_t *data = malloc (3*W*H);
uint8_t *src[3]= {data, data+W*H, data+W*H*2};
int stride[3]={W, W, W};
int x, y;
struct SwsContext *sws;
sws= sws_getContext(W/12, H/12, PIX_FMT_RGB32, W, H, PIX_FMT_YUV420P, 2, NULL, NULL, NULL);
for (y=0; y<H; y++){
for (x=0; x<W*4; x++){
rgb_data[ x + y*4*W]= random();
}
}
sws_scale(sws, rgb_src, rgb_stride, 0, H, src, stride);
selfTest(src, stride, W, H);
return 123;
}
This source diff could not be displayed because it is too large. You can view the blob instead.
/*
* Copyright (C) 2001-2003 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
*/
#ifndef SWSCALE_SWSCALE_H
#define SWSCALE_SWSCALE_H
/**
* @file libswscale/swscale.h
* @brief
* external api for the swscale stuff
*/
#include "libavutil/avutil.h"
#define LIBSWSCALE_VERSION_MAJOR 0
#define LIBSWSCALE_VERSION_MINOR 7
#define LIBSWSCALE_VERSION_MICRO 1
#define LIBSWSCALE_VERSION_INT AV_VERSION_INT(LIBSWSCALE_VERSION_MAJOR, \
LIBSWSCALE_VERSION_MINOR, \
LIBSWSCALE_VERSION_MICRO)
#define LIBSWSCALE_VERSION AV_VERSION(LIBSWSCALE_VERSION_MAJOR, \
LIBSWSCALE_VERSION_MINOR, \
LIBSWSCALE_VERSION_MICRO)
#define LIBSWSCALE_BUILD LIBSWSCALE_VERSION_INT
#define LIBSWSCALE_IDENT "SwS" AV_STRINGIFY(LIBSWSCALE_VERSION)
/**
* Returns the LIBSWSCALE_VERSION_INT constant.
*/
unsigned swscale_version(void);
/* values for the flags, the stuff on the command line is different */
#define SWS_FAST_BILINEAR 1
#define SWS_BILINEAR 2
#define SWS_BICUBIC 4
#define SWS_X 8
#define SWS_POINT 0x10
#define SWS_AREA 0x20
#define SWS_BICUBLIN 0x40
#define SWS_GAUSS 0x80
#define SWS_SINC 0x100
#define SWS_LANCZOS 0x200
#define SWS_SPLINE 0x400
#define SWS_SRC_V_CHR_DROP_MASK 0x30000
#define SWS_SRC_V_CHR_DROP_SHIFT 16
#define SWS_PARAM_DEFAULT 123456
#define SWS_PRINT_INFO 0x1000
//the following 3 flags are not completely implemented
//internal chrominace subsampling info
#define SWS_FULL_CHR_H_INT 0x2000
//input subsampling info
#define SWS_FULL_CHR_H_INP 0x4000
#define SWS_DIRECT_BGR 0x8000
#define SWS_ACCURATE_RND 0x40000
#define SWS_BITEXACT 0x80000
#define SWS_CPU_CAPS_MMX 0x80000000
#define SWS_CPU_CAPS_MMX2 0x20000000
#define SWS_CPU_CAPS_3DNOW 0x40000000
#define SWS_CPU_CAPS_ALTIVEC 0x10000000
#define SWS_CPU_CAPS_BFIN 0x01000000
#define SWS_MAX_REDUCE_CUTOFF 0.002
#define SWS_CS_ITU709 1
#define SWS_CS_FCC 4
#define SWS_CS_ITU601 5
#define SWS_CS_ITU624 5
#define SWS_CS_SMPTE170M 5
#define SWS_CS_SMPTE240M 7
#define SWS_CS_DEFAULT 5
// when used for filters they must have an odd number of elements
// coeffs cannot be shared between vectors
typedef struct {
double *coeff; ///< pointer to the list of coefficients
int length; ///< number of coefficients in the vector
} SwsVector;
// vectors can be shared
typedef struct {
SwsVector *lumH;
SwsVector *lumV;
SwsVector *chrH;
SwsVector *chrV;
} SwsFilter;
struct SwsContext;
void sws_freeContext(struct SwsContext *swsContext);
/**
* Allocates and returns a SwsContext. You need it to perform
* scaling/conversion operations using sws_scale().
*
* @param srcW the width of the source image
* @param srcH the height of the source image
* @param srcFormat the source image format
* @param dstW the width of the destination image
* @param dstH the height of the destination image
* @param dstFormat the destination image format
* @param flags specify which algorithm and options to use for rescaling
* @return a pointer to an allocated context, or NULL in case of error
*/
struct SwsContext *sws_getContext(int srcW, int srcH, enum PixelFormat srcFormat, int dstW, int dstH, enum PixelFormat dstFormat, int flags,
SwsFilter *srcFilter, SwsFilter *dstFilter, double *param);
/**
* Scales the image slice in \p srcSlice and puts the resulting scaled
* slice in the image in \p dst. A slice is a sequence of consecutive
* rows in an image.
*
* @param context the scaling context previously created with
* sws_getContext()
* @param srcSlice the array containing the pointers to the planes of
* the source slice
* @param srcStride the array containing the strides for each plane of
* the source image
* @param srcSliceY the position in the source image of the slice to
* process, that is the number (counted starting from
* zero) in the image of the first row of the slice
* @param srcSliceH the height of the source slice, that is the number
* of rows in the slice
* @param dst the array containing the pointers to the planes of
* the destination image
* @param dstStride the array containing the strides for each plane of
* the destination image
* @return the height of the output slice
*/
int sws_scale(struct SwsContext *context, uint8_t* srcSlice[], int srcStride[], int srcSliceY,
int srcSliceH, uint8_t* dst[], int dstStride[]);
#if LIBSWSCALE_VERSION_MAJOR < 1
/**
* @deprecated Use sws_scale() instead.
*/
int sws_scale_ordered(struct SwsContext *context, uint8_t* src[], int srcStride[], int srcSliceY,
int srcSliceH, uint8_t* dst[], int dstStride[]) attribute_deprecated;
#endif
int sws_setColorspaceDetails(struct SwsContext *c, const int inv_table[4], int srcRange, const int table[4], int dstRange, int brightness, int contrast, int saturation);
int sws_getColorspaceDetails(struct SwsContext *c, int **inv_table, int *srcRange, int **table, int *dstRange, int *brightness, int *contrast, int *saturation);
/**
* Returns a normalized Gaussian curve used to filter stuff
* quality=3 is high quality, lower is lower quality.
*/
SwsVector *sws_getGaussianVec(double variance, double quality);
/**
* Allocates and returns a vector with \p length coefficients, all
* with the same value \p c.
*/
SwsVector *sws_getConstVec(double c, int length);
/**
* Allocates and returns a vector with just one coefficient, with
* value 1.0.
*/
SwsVector *sws_getIdentityVec(void);
/**
* Scales all the coefficients of \p a by the \p scalar value.
*/
void sws_scaleVec(SwsVector *a, double scalar);
/**
* Scales all the coefficients of \p a so that their sum equals \p
* height."
*/
void sws_normalizeVec(SwsVector *a, double height);
void sws_convVec(SwsVector *a, SwsVector *b);
void sws_addVec(SwsVector *a, SwsVector *b);
void sws_subVec(SwsVector *a, SwsVector *b);
void sws_shiftVec(SwsVector *a, int shift);
/**
* Allocates and returns a clone of the vector \p a, that is a vector
* with the same coefficients as \p a.
*/
SwsVector *sws_cloneVec(SwsVector *a);
#if LIBSWSCALE_VERSION_MAJOR < 1
/**
* @deprecated Use sws_printVec2() instead.
*/
attribute_deprecated void sws_printVec(SwsVector *a);
#endif
/**
* Prints with av_log() a textual representation of the vector \p a
* if \p log_level <= av_log_level.
*/
void sws_printVec2(SwsVector *a, AVClass *log_ctx, int log_level);
void sws_freeVec(SwsVector *a);
SwsFilter *sws_getDefaultFilter(float lumaGBlur, float chromaGBlur,
float lumaSharpen, float chromaSharpen,
float chromaHShift, float chromaVShift,
int verbose);
void sws_freeFilter(SwsFilter *filter);
/**
* Checks if \p context can be reused, otherwise reallocates a new
* one.
*
* If \p context is NULL, just calls sws_getContext() to get a new
* context. Otherwise, checks if the parameters are the ones already
* saved in \p context. If that is the case, returns the current
* context. Otherwise, frees \p context and gets a new context with
* the new parameters.
*
* Be warned that \p srcFilter and \p dstFilter are not checked, they
* are assumed to remain the same.
*/
struct SwsContext *sws_getCachedContext(struct SwsContext *context,
int srcW, int srcH, enum PixelFormat srcFormat,
int dstW, int dstH, enum PixelFormat dstFormat, int flags,
SwsFilter *srcFilter, SwsFilter *dstFilter, double *param);
#endif /* SWSCALE_SWSCALE_H */
This diff is collapsed.
/*
* Copyright (C) 2001-2003 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 "libavutil/avutil.h"
#include "libavcodec/opt.h"
#include "swscale.h"
#include "swscale_internal.h"
static const char * sws_context_to_name(void * ptr) {
return "swscaler";
}
#define OFFSET(x) offsetof(SwsContext, x)
#define DEFAULT 0
#define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
static const AVOption options[] = {
{ "sws_flags", "scaler/cpu flags", OFFSET(flags), FF_OPT_TYPE_FLAGS, DEFAULT, 0, UINT_MAX, VE, "sws_flags" },
{ "fast_bilinear", "fast bilinear", 0, FF_OPT_TYPE_CONST, SWS_FAST_BILINEAR, INT_MIN, INT_MAX, VE, "sws_flags" },
{ "bilinear", "bilinear", 0, FF_OPT_TYPE_CONST, SWS_BILINEAR, INT_MIN, INT_MAX, VE, "sws_flags" },
{ "bicubic", "bicubic", 0, FF_OPT_TYPE_CONST, SWS_BICUBIC, INT_MIN, INT_MAX, VE, "sws_flags" },
{ "experimental", "experimental", 0, FF_OPT_TYPE_CONST, SWS_X, INT_MIN, INT_MAX, VE, "sws_flags" },
{ "neighbor", "nearest neighbor", 0, FF_OPT_TYPE_CONST, SWS_POINT, INT_MIN, INT_MAX, VE, "sws_flags" },
{ "area", "averaging area", 0, FF_OPT_TYPE_CONST, SWS_AREA, INT_MIN, INT_MAX, VE, "sws_flags" },
{ "bicublin", "luma bicubic, chroma bilinear", 0, FF_OPT_TYPE_CONST, SWS_BICUBLIN, INT_MIN, INT_MAX, VE, "sws_flags" },
{ "gauss", "gaussian", 0, FF_OPT_TYPE_CONST, SWS_GAUSS, INT_MIN, INT_MAX, VE, "sws_flags" },
{ "sinc", "sinc", 0, FF_OPT_TYPE_CONST, SWS_SINC, INT_MIN, INT_MAX, VE, "sws_flags" },
{ "lanczos", "lanczos", 0, FF_OPT_TYPE_CONST, SWS_LANCZOS, INT_MIN, INT_MAX, VE, "sws_flags" },
{ "spline", "natural bicubic spline", 0, FF_OPT_TYPE_CONST, SWS_SPLINE, INT_MIN, INT_MAX, VE, "sws_flags" },
{ "print_info", "print info", 0, FF_OPT_TYPE_CONST, SWS_PRINT_INFO, INT_MIN, INT_MAX, VE, "sws_flags" },
{ "accurate_rnd", "accurate rounding", 0, FF_OPT_TYPE_CONST, SWS_ACCURATE_RND, INT_MIN, INT_MAX, VE, "sws_flags" },
{ "mmx", "MMX SIMD acceleration", 0, FF_OPT_TYPE_CONST, SWS_CPU_CAPS_MMX, INT_MIN, INT_MAX, VE, "sws_flags" },
{ "mmx2", "MMX2 SIMD acceleration", 0, FF_OPT_TYPE_CONST, SWS_CPU_CAPS_MMX2, INT_MIN, INT_MAX, VE, "sws_flags" },
{ "3dnow", "3DNOW SIMD acceleration", 0, FF_OPT_TYPE_CONST, SWS_CPU_CAPS_3DNOW, INT_MIN, INT_MAX, VE, "sws_flags" },
{ "altivec", "AltiVec SIMD acceleration", 0, FF_OPT_TYPE_CONST, SWS_CPU_CAPS_ALTIVEC, INT_MIN, INT_MAX, VE, "sws_flags" },
{ "bfin", "Blackfin SIMD acceleration", 0, FF_OPT_TYPE_CONST, SWS_CPU_CAPS_BFIN, INT_MIN, INT_MAX, VE, "sws_flags" },
{ "full_chroma_int", "full chroma interpolation", 0 , FF_OPT_TYPE_CONST, SWS_FULL_CHR_H_INT, INT_MIN, INT_MAX, VE, "sws_flags" },
{ "full_chroma_inp", "full chroma input", 0 , FF_OPT_TYPE_CONST, SWS_FULL_CHR_H_INP, INT_MIN, INT_MAX, VE, "sws_flags" },
{ "bitexact", "", 0 , FF_OPT_TYPE_CONST, SWS_BITEXACT, INT_MIN, INT_MAX, VE, "sws_flags" },
{ NULL }
};
const AVClass sws_context_class = { "SWScaler", sws_context_to_name, options };
/*
* Copyright (C) 2007 Marc Hoffman <marc.hoffman@analog.com>
*
* Blackfin software video scaler operations
*
* 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 <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <inttypes.h>
#include <assert.h>
#include "config.h"
#include <unistd.h>
#include "rgb2rgb.h"
#include "swscale.h"
#include "swscale_internal.h"
#ifdef __FDPIC__
#define L1CODE __attribute__ ((l1_text))
#else
#define L1CODE
#endif
int ff_bfin_uyvytoyv12 (const uint8_t *src, uint8_t *ydst, uint8_t *udst, uint8_t *vdst,
long width, long height,
long lumStride, long chromStride, long srcStride) L1CODE;
int ff_bfin_yuyvtoyv12 (const uint8_t *src, uint8_t *ydst, uint8_t *udst, uint8_t *vdst,
long width, long height,
long lumStride, long chromStride, long srcStride) L1CODE;
static int uyvytoyv12_unscaled (SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY,
int srcSliceH, uint8_t* dst[], int dstStride[])
{
uint8_t *dsty = dst[0] + dstStride[0]*srcSliceY;
uint8_t *dstu = dst[1] + dstStride[1]*srcSliceY/2;
uint8_t *dstv = dst[2] + dstStride[2]*srcSliceY/2;
uint8_t *ip = src[0] + srcStride[0]*srcSliceY;
int w = dstStride[0];
ff_bfin_uyvytoyv12 (ip, dsty, dstu, dstv, w, srcSliceH, dstStride[0], dstStride[1], srcStride[0]);
return srcSliceH;
}
static int yuyvtoyv12_unscaled (SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY,
int srcSliceH, uint8_t* dst[], int dstStride[])
{
uint8_t *dsty = dst[0] + dstStride[0]*srcSliceY;
uint8_t *dstu = dst[1] + dstStride[1]*srcSliceY/2;
uint8_t *dstv = dst[2] + dstStride[2]*srcSliceY/2;
uint8_t *ip = src[0] + srcStride[0]*srcSliceY;
int w = dstStride[0];
ff_bfin_yuyvtoyv12 (ip, dsty, dstu, dstv, w, srcSliceH, dstStride[0], dstStride[1], srcStride[0]);
return srcSliceH;
}
void ff_bfin_get_unscaled_swscale (SwsContext *c)
{
SwsFunc swScale = c->swScale;
if (c->flags & SWS_CPU_CAPS_BFIN)
if (c->dstFormat == PIX_FMT_YUV420P)
if (c->srcFormat == PIX_FMT_UYVY422) {
av_log (NULL, AV_LOG_VERBOSE, "selecting Blackfin optimized uyvytoyv12_unscaled\n");
c->swScale = uyvytoyv12_unscaled;
}
if (c->dstFormat == PIX_FMT_YUV420P)
if (c->srcFormat == PIX_FMT_YUYV422) {
av_log (NULL, AV_LOG_VERBOSE, "selecting Blackfin optimized yuyvtoyv12_unscaled\n");
c->swScale = yuyvtoyv12_unscaled;
}
}
This diff is collapsed.
This diff is collapsed.
This diff is collapsed.
This diff is collapsed.
/*
* Copyright (C) 2007 Marc Hoffman <marc.hoffman@analog.com>
*
* Blackfin video color space converter operations
* convert I420 YV12 to RGB in various formats
*
* 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 <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <inttypes.h>
#include <assert.h>
#include "config.h"
#include <unistd.h>
#include "rgb2rgb.h"
#include "swscale.h"
#include "swscale_internal.h"
#ifdef __FDPIC__
#define L1CODE __attribute__ ((l1_text))
#else
#define L1CODE
#endif
void ff_bfin_yuv2rgb555_line (uint8_t *Y, uint8_t *U, uint8_t *V, uint8_t *out,
int w, uint32_t *coeffs) L1CODE;
void ff_bfin_yuv2rgb565_line (uint8_t *Y, uint8_t *U, uint8_t *V, uint8_t *out,
int w, uint32_t *coeffs) L1CODE;
void ff_bfin_yuv2rgb24_line (uint8_t *Y, uint8_t *U, uint8_t *V, uint8_t *out,
int w, uint32_t *coeffs) L1CODE;
typedef void (* ltransform)(uint8_t *Y, uint8_t *U, uint8_t *V, uint8_t *out,
int w, uint32_t *coeffs);
static void bfin_prepare_coefficients (SwsContext *c, int rgb, int masks)
{
int oy;
oy = c->yOffset&0xffff;
oy = oy >> 3; // keep everything U8.0 for offset calculation
c->oc = 128*0x01010101U;
c->oy = oy*0x01010101U;
/* copy 64bit vector coeffs down to 32bit vector coeffs */
c->cy = c->yCoeff;
c->zero = 0;
if (rgb) {
c->crv = c->vrCoeff;
c->cbu = c->ubCoeff;
c->cgu = c->ugCoeff;
c->cgv = c->vgCoeff;
} else {
c->crv = c->ubCoeff;
c->cbu = c->vrCoeff;
c->cgu = c->vgCoeff;
c->cgv = c->ugCoeff;
}
if (masks == 555) {
c->rmask = 0x001f * 0x00010001U;
c->gmask = 0x03e0 * 0x00010001U;
c->bmask = 0x7c00 * 0x00010001U;
} else if (masks == 565) {
c->rmask = 0x001f * 0x00010001U;
c->gmask = 0x07e0 * 0x00010001U;
c->bmask = 0xf800 * 0x00010001U;
}
}
static int core_yuv420_rgb (SwsContext *c,
uint8_t **in, int *instrides,
int srcSliceY, int srcSliceH,
uint8_t **oplanes, int *outstrides,
ltransform lcscf, int rgb, int masks)
{
uint8_t *py,*pu,*pv,*op;
int w = instrides[0];
int h2 = srcSliceH>>1;
int i;
bfin_prepare_coefficients (c, rgb, masks);
py = in[0];
pu = in[1+(1^rgb)];
pv = in[1+(0^rgb)];
op = oplanes[0] + srcSliceY*outstrides[0];
for (i=0;i<h2;i++) {
lcscf (py, pu, pv, op, w, &c->oy);
py += instrides[0];
op += outstrides[0];
lcscf (py, pu, pv, op, w, &c->oy);
py += instrides[0];
pu += instrides[1];
pv += instrides[2];
op += outstrides[0];
}
return srcSliceH;
}
static int bfin_yuv420_rgb555 (SwsContext *c,
uint8_t **in, int *instrides,
int srcSliceY, int srcSliceH,
uint8_t **oplanes, int *outstrides)
{
return core_yuv420_rgb (c, in, instrides, srcSliceY, srcSliceH, oplanes, outstrides,
ff_bfin_yuv2rgb555_line, 1, 555);
}
static int bfin_yuv420_bgr555 (SwsContext *c,
uint8_t **in, int *instrides,
int srcSliceY, int srcSliceH,
uint8_t **oplanes, int *outstrides)
{
return core_yuv420_rgb (c, in, instrides, srcSliceY, srcSliceH, oplanes, outstrides,
ff_bfin_yuv2rgb555_line, 0, 555);
}
static int bfin_yuv420_rgb24 (SwsContext *c,
uint8_t **in, int *instrides,
int srcSliceY, int srcSliceH,
uint8_t **oplanes, int *outstrides)
{
return core_yuv420_rgb (c, in, instrides, srcSliceY, srcSliceH, oplanes, outstrides,
ff_bfin_yuv2rgb24_line, 1, 888);
}
static int bfin_yuv420_bgr24 (SwsContext *c,
uint8_t **in, int *instrides,
int srcSliceY, int srcSliceH,
uint8_t **oplanes, int *outstrides)
{
return core_yuv420_rgb (c, in, instrides, srcSliceY, srcSliceH, oplanes, outstrides,
ff_bfin_yuv2rgb24_line, 0, 888);
}
static int bfin_yuv420_rgb565 (SwsContext *c,
uint8_t **in, int *instrides,
int srcSliceY, int srcSliceH,
uint8_t **oplanes, int *outstrides)
{
return core_yuv420_rgb (c, in, instrides, srcSliceY, srcSliceH, oplanes, outstrides,
ff_bfin_yuv2rgb565_line, 1, 565);
}
static int bfin_yuv420_bgr565 (SwsContext *c,
uint8_t **in, int *instrides,
int srcSliceY, int srcSliceH,
uint8_t **oplanes, int *outstrides)
{
return core_yuv420_rgb (c, in, instrides, srcSliceY, srcSliceH, oplanes, outstrides,
ff_bfin_yuv2rgb565_line, 0, 565);
}
SwsFunc ff_bfin_yuv2rgb_get_func_ptr (SwsContext *c)
{
SwsFunc f;
switch(c->dstFormat) {
case PIX_FMT_RGB555: f = bfin_yuv420_rgb555; break;
case PIX_FMT_BGR555: f = bfin_yuv420_bgr555; break;
case PIX_FMT_RGB565: f = bfin_yuv420_rgb565; break;
case PIX_FMT_BGR565: f = bfin_yuv420_bgr565; break;
case PIX_FMT_RGB24: f = bfin_yuv420_rgb24; break;
case PIX_FMT_BGR24: f = bfin_yuv420_bgr24; break;
default:
return 0;
}
av_log(c, AV_LOG_INFO, "BlackFin accelerated color space converter %s\n",
sws_format_name (c->dstFormat));
return f;
}
/*
* 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 sws_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;
}
}
This diff is collapsed.
This diff is collapsed.
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment