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libswcale: PIX_FMT_BGR48LE and PIX_FMT_BGR48BE scaler implementation

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Signed-off-by: Anton Khirnov <anton@khirnov.net>
This commit is contained in:
Peter Ross
2011-03-17 21:07:18 +11:00
committed by Anton Khirnov
parent b239526873
commit 1afbae100b
12 changed files with 125 additions and 3 deletions
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57
libswscale/swscale.c
View File

@@ -639,6 +639,18 @@ static inline void yuv2nv12XinC(const int16_t *lumFilter, const int16_t **lumSrc
dest+=12;\
}\
break;\
case PIX_FMT_BGR48BE:\
case PIX_FMT_BGR48LE:\
func(uint8_t,0)\
((uint8_t*)dest)[ 0] = ((uint8_t*)dest)[ 1] = b[Y1];\
((uint8_t*)dest)[ 2] = ((uint8_t*)dest)[ 3] = g[Y1];\
((uint8_t*)dest)[ 4] = ((uint8_t*)dest)[ 5] = r[Y1];\
((uint8_t*)dest)[ 6] = ((uint8_t*)dest)[ 7] = b[Y2];\
((uint8_t*)dest)[ 8] = ((uint8_t*)dest)[ 9] = g[Y2];\
((uint8_t*)dest)[10] = ((uint8_t*)dest)[11] = r[Y2];\
dest+=12;\
}\
break;\
case PIX_FMT_RGBA:\
case PIX_FMT_BGRA:\
if (CONFIG_SMALL) {\
@@ -976,6 +988,49 @@ static inline void rgb48ToUV_half(uint8_t *dstU, uint8_t *dstV,
}
}
static inline void bgr48ToY(uint8_t *dst, const uint8_t *src, long width,
uint32_t *unused)
{
int i;
for (i = 0; i < width; i++) {
int b = src[i*6+0];
int g = src[i*6+2];
int r = src[i*6+4];
dst[i] = (RY*r + GY*g + BY*b + (33<<(RGB2YUV_SHIFT-1))) >> RGB2YUV_SHIFT;
}
}
static inline void bgr48ToUV(uint8_t *dstU, uint8_t *dstV,
const uint8_t *src1, const uint8_t *src2,
long width, uint32_t *unused)
{
int i;
for (i = 0; i < width; i++) {
int b = src1[6*i + 0];
int g = src1[6*i + 2];
int r = src1[6*i + 4];
dstU[i] = (RU*r + GU*g + BU*b + (257<<(RGB2YUV_SHIFT-1))) >> RGB2YUV_SHIFT;
dstV[i] = (RV*r + GV*g + BV*b + (257<<(RGB2YUV_SHIFT-1))) >> RGB2YUV_SHIFT;
}
}
static inline void bgr48ToUV_half(uint8_t *dstU, uint8_t *dstV,
const uint8_t *src1, const uint8_t *src2,
long width, uint32_t *unused)
{
int i;
for (i = 0; i < width; i++) {
int b= src1[12*i + 0] + src1[12*i + 6];
int g= src1[12*i + 2] + src1[12*i + 8];
int r= src1[12*i + 4] + src1[12*i + 10];
dstU[i]= (RU*r + GU*g + BU*b + (257<<RGB2YUV_SHIFT)) >> (RGB2YUV_SHIFT+1);
dstV[i]= (RV*r + GV*g + BV*b + (257<<RGB2YUV_SHIFT)) >> (RGB2YUV_SHIFT+1);
}
}
#define BGR2Y(type, name, shr, shg, shb, maskr, maskg, maskb, RY, GY, BY, S)\
static inline void name(uint8_t *dst, const uint8_t *src, long width, uint32_t *unused)\
{\
@@ -1717,6 +1772,8 @@ void ff_get_unscaled_swscale(SwsContext *c)
&& srcFormat != PIX_FMT_MONOWHITE && dstFormat != PIX_FMT_MONOWHITE
&& srcFormat != PIX_FMT_RGB48LE && dstFormat != PIX_FMT_RGB48LE
&& srcFormat != PIX_FMT_RGB48BE && dstFormat != PIX_FMT_RGB48BE
&& srcFormat != PIX_FMT_BGR48LE && dstFormat != PIX_FMT_BGR48LE
&& srcFormat != PIX_FMT_BGR48BE && dstFormat != PIX_FMT_BGR48BE
&& (!needsDither || (c->flags&(SWS_FAST_BILINEAR|SWS_POINT))))
c->swScale= rgbToRgbWrapper;

2
libswscale/swscale.h
View File

@@ -30,7 +30,7 @@
#include "libavutil/avutil.h"
#define LIBSWSCALE_VERSION_MAJOR 1
#define LIBSWSCALE_VERSION_MINOR 0
#define LIBSWSCALE_VERSION_MINOR 1
#define LIBSWSCALE_VERSION_MICRO 0
#define LIBSWSCALE_VERSION_INT AV_VERSION_INT(LIBSWSCALE_VERSION_MAJOR, \

10
libswscale/swscale_internal.h
View File

@@ -343,6 +343,8 @@ const char *sws_format_name(enum PixelFormat format);
#define is16BPS(x) ( \
(x)==PIX_FMT_GRAY16BE \
|| (x)==PIX_FMT_GRAY16LE \
|| (x)==PIX_FMT_BGR48BE \
|| (x)==PIX_FMT_BGR48LE \
|| (x)==PIX_FMT_RGB48BE \
|| (x)==PIX_FMT_RGB48LE \
|| (x)==PIX_FMT_YUV420P16LE \
@@ -407,7 +409,9 @@ const char *sws_format_name(enum PixelFormat format);
|| (x)==PIX_FMT_MONOWHITE \
)
#define isBGRinInt(x) ( \
(x)==PIX_FMT_BGR32 \
(x)==PIX_FMT_BGR48BE \
|| (x)==PIX_FMT_BGR48LE \
|| (x)==PIX_FMT_BGR32 \
|| (x)==PIX_FMT_BGR32_1 \
|| (x)==PIX_FMT_BGR24 \
|| (x)==PIX_FMT_BGR565BE \
@@ -430,7 +434,9 @@ const char *sws_format_name(enum PixelFormat format);
|| (x)==PIX_FMT_RGB24 \
)
#define isBGRinBytes(x) ( \
(x)==PIX_FMT_BGRA \
(x)==PIX_FMT_BGR48BE \
|| (x)==PIX_FMT_BGR48LE \
|| (x)==PIX_FMT_BGRA \
|| (x)==PIX_FMT_ABGR \
|| (x)==PIX_FMT_BGR24 \
)

7
libswscale/swscale_template.c
View File

@@ -801,6 +801,8 @@ static void sws_init_swScale_c(SwsContext *c)
switch(srcFormat) {
case PIX_FMT_RGB48BE:
case PIX_FMT_RGB48LE: c->chrToYV12 = rgb48ToUV_half; break;
case PIX_FMT_BGR48BE:
case PIX_FMT_BGR48LE: c->chrToYV12 = bgr48ToUV_half; break;
case PIX_FMT_RGB32 : c->chrToYV12 = bgr32ToUV_half; break;
case PIX_FMT_RGB32_1: c->chrToYV12 = bgr321ToUV_half; break;
case PIX_FMT_BGR24 : c->chrToYV12 = bgr24ToUV_half_c; break;
@@ -816,6 +818,8 @@ static void sws_init_swScale_c(SwsContext *c)
switch(srcFormat) {
case PIX_FMT_RGB48BE:
case PIX_FMT_RGB48LE: c->chrToYV12 = rgb48ToUV; break;
case PIX_FMT_BGR48BE:
case PIX_FMT_BGR48LE: c->chrToYV12 = bgr48ToUV; break;
case PIX_FMT_RGB32 : c->chrToYV12 = bgr32ToUV; break;
case PIX_FMT_RGB32_1: c->chrToYV12 = bgr321ToUV; break;
case PIX_FMT_BGR24 : c->chrToYV12 = bgr24ToUV_c; break;
@@ -862,6 +866,8 @@ static void sws_init_swScale_c(SwsContext *c)
case PIX_FMT_BGR32_1: c->lumToYV12 = rgb321ToY; break;
case PIX_FMT_RGB48BE:
case PIX_FMT_RGB48LE: c->lumToYV12 = rgb48ToY; break;
case PIX_FMT_BGR48BE:
case PIX_FMT_BGR48LE: c->lumToYV12 = bgr48ToY; break;
}
if (c->alpPixBuf) {
switch (srcFormat) {
@@ -882,6 +888,7 @@ static void sws_init_swScale_c(SwsContext *c)
c->alpSrcOffset = 3;
break;
case PIX_FMT_RGB48LE:
case PIX_FMT_BGR48LE:
c->lumSrcOffset = 1;
c->chrSrcOffset = 1;
c->alpSrcOffset = 1;

2
libswscale/utils.c
View File

@@ -73,6 +73,8 @@ const char *swscale_license(void)
|| (x)==PIX_FMT_RGB48LE \
|| (x)==PIX_FMT_RGB32 \
|| (x)==PIX_FMT_RGB32_1 \
|| (x)==PIX_FMT_BGR48BE \
|| (x)==PIX_FMT_BGR48LE \
|| (x)==PIX_FMT_BGR24 \
|| (x)==PIX_FMT_BGR565 \
|| (x)==PIX_FMT_BGR555 \

38
libswscale/yuv2rgb.c
View File

@@ -99,6 +99,16 @@ const int *sws_getCoefficients(int colorspace)
dst[12*i+ 8] = dst[12*i+ 9] = g[Y]; \
dst[12*i+10] = dst[12*i+11] = b[Y];
#define PUTBGR48(dst,src,i) \
Y = src[2*i]; \
dst[12*i+ 0] = dst[12*i+ 1] = b[Y]; \
dst[12*i+ 2] = dst[12*i+ 3] = g[Y]; \
dst[12*i+ 4] = dst[12*i+ 5] = r[Y]; \
Y = src[2*i+1]; \
dst[12*i+ 6] = dst[12*i+ 7] = b[Y]; \
dst[12*i+ 8] = dst[12*i+ 9] = g[Y]; \
dst[12*i+10] = dst[12*i+11] = r[Y];
#define YUV2RGBFUNC(func_name, dst_type, alpha) \
static int func_name(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY, \
int srcSliceH, uint8_t* dst[], int dstStride[]) \
@@ -175,6 +185,32 @@ ENDYUV2RGBLINE(48)
PUTRGB48(dst_1,py_1,1);
ENDYUV2RGBFUNC()
YUV2RGBFUNC(yuv2rgb_c_bgr48, uint8_t, 0)
LOADCHROMA(0);
PUTBGR48(dst_1,py_1,0);
PUTBGR48(dst_2,py_2,0);
LOADCHROMA(1);
PUTBGR48(dst_2,py_2,1);
PUTBGR48(dst_1,py_1,1);
LOADCHROMA(2);
PUTBGR48(dst_1,py_1,2);
PUTBGR48(dst_2,py_2,2);
LOADCHROMA(3);
PUTBGR48(dst_2,py_2,3);
PUTBGR48(dst_1,py_1,3);
ENDYUV2RGBLINE(48)
LOADCHROMA(0);
PUTBGR48(dst_1,py_1,0);
PUTBGR48(dst_2,py_2,0);
LOADCHROMA(1);
PUTBGR48(dst_2,py_2,1);
PUTBGR48(dst_1,py_1,1);
ENDYUV2RGBFUNC()
YUV2RGBFUNC(yuv2rgb_c_32, uint32_t, 0)
LOADCHROMA(0);
PUTRGB(dst_1,py_1,0);
@@ -568,6 +604,8 @@ SwsFunc ff_yuv2rgb_get_func_ptr(SwsContext *c)
av_log(c, AV_LOG_WARNING, "No accelerated colorspace conversion found from %s to %s.\n", sws_format_name(c->srcFormat), sws_format_name(c->dstFormat));
switch (c->dstFormat) {
case PIX_FMT_BGR48BE:
case PIX_FMT_BGR48LE: return yuv2rgb_c_bgr48;
case PIX_FMT_RGB48BE:
case PIX_FMT_RGB48LE: return yuv2rgb_c_48;
case PIX_FMT_ARGB: