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swscale: disentangle yuv2rgbX_c_full() into small functions.

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This is part of the Great Evil Plan to simplify swscale.
pull/2/head
Ronald S. Bultje 14 years ago committed by Ronald Bultje
parent 6fba14eecb
commit 3d3c814937
1 changed files with 171 additions and 121 deletions
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  1. 270
      libswscale/swscale.c

270
libswscale/swscale.c
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@ -1144,7 +1144,7 @@ yuv2rgb_1_c_template(SwsContext *c, const uint16_t *buf0,
}
}
#define YUV2RGBWRAPPER(name, base, ext, fmt, hasAlpha) \
#define YUV2RGBWRAPPERX(name, base, ext, fmt, hasAlpha) \
static void name ## ext ## _X_c(SwsContext *c, const int16_t *lumFilter, \
const int16_t **lumSrc, int lumFilterSize, \
const int16_t *chrFilter, const int16_t **chrUSrc, \
@ -1155,8 +1155,9 @@ static void name ## ext ## _X_c(SwsContext *c, const int16_t *lumFilter, \
name ## base ## _X_c_template(c, lumFilter, lumSrc, lumFilterSize, \
chrFilter, chrUSrc, chrVSrc, chrFilterSize, \
alpSrc, dest, dstW, y, fmt, hasAlpha); \
} \
\
}
#define YUV2RGBWRAPPER(name, base, ext, fmt, hasAlpha) \
YUV2RGBWRAPPERX(name, base, ext, fmt, hasAlpha) \
static void name ## ext ## _2_c(SwsContext *c, const uint16_t *buf0, \
const uint16_t *buf1, const uint16_t *ubuf0, \
const uint16_t *ubuf1, const uint16_t *vbuf0, \
@ -1201,131 +1202,117 @@ YUV2RGBWRAPPER(yuv2rgb,, 8, PIX_FMT_RGB8, 0);
YUV2RGBWRAPPER(yuv2rgb,, 4, PIX_FMT_RGB4, 0);
YUV2RGBWRAPPER(yuv2rgb,, 4b, PIX_FMT_RGB4_BYTE, 0);
#define YSCALE_YUV_2_RGBX_FULL_C(rnd,alpha) \
for (i=0; i<dstW; i++) {\
int j;\
int Y = 0;\
int U = -128<<19;\
int V = -128<<19;\
int av_unused A;\
int R,G,B;\
\
for (j=0; j<lumFilterSize; j++) {\
Y += lumSrc[j][i ] * lumFilter[j];\
}\
for (j=0; j<chrFilterSize; j++) {\
U += chrUSrc[j][i] * chrFilter[j];\
V += chrVSrc[j][i] * chrFilter[j];\
}\
Y >>=10;\
U >>=10;\
V >>=10;\
if (alpha) {\
A = rnd;\
for (j=0; j<lumFilterSize; j++)\
A += alpSrc[j][i ] * lumFilter[j];\
A >>=19;\
if (A&0x100)\
A = av_clip_uint8(A);\
}\
Y-= c->yuv2rgb_y_offset;\
Y*= c->yuv2rgb_y_coeff;\
Y+= rnd;\
R= Y + V*c->yuv2rgb_v2r_coeff;\
G= Y + V*c->yuv2rgb_v2g_coeff + U*c->yuv2rgb_u2g_coeff;\
B= Y + U*c->yuv2rgb_u2b_coeff;\
if ((R|G|B)&(0xC0000000)) {\
R = av_clip_uintp2(R, 30); \
G = av_clip_uintp2(G, 30); \
B = av_clip_uintp2(B, 30); \
}
static void yuv2rgbX_c_full(SwsContext *c, const int16_t *lumFilter,
static av_always_inline void
yuv2rgb_full_X_c_template(SwsContext *c, const int16_t *lumFilter,
const int16_t **lumSrc, int lumFilterSize,
const int16_t *chrFilter, const int16_t **chrUSrc,
const int16_t **chrVSrc, int chrFilterSize,
const int16_t **alpSrc, uint8_t *dest, int dstW, int y)
const int16_t **alpSrc, uint8_t *dest,
int dstW, int y, enum PixelFormat target, int hasAlpha)
{
int i;
int step= c->dstFormatBpp/8;
int aidx= 3;
int step = (target == PIX_FMT_RGB24 || target == PIX_FMT_BGR24) ? 3 : 4;
switch(c->dstFormat) {
case PIX_FMT_ARGB:
dest++;
aidx= 0;
case PIX_FMT_RGB24:
aidx--;
case PIX_FMT_RGBA:
if (CONFIG_SMALL) {
int needAlpha = CONFIG_SWSCALE_ALPHA && c->alpPixBuf;
YSCALE_YUV_2_RGBX_FULL_C(1<<21, needAlpha)
dest[aidx]= needAlpha ? A : 255;
dest[0]= R>>22;
dest[1]= G>>22;
dest[2]= B>>22;
dest+= step;
for (i = 0; i < dstW; i++) {
int j;
int Y = 0;
int U = -128 << 19;
int V = -128 << 19;
int av_unused A;
int R, G, B;
for (j = 0; j < lumFilterSize; j++) {
Y += lumSrc[j][i] * lumFilter[j];
}
} else {
if (CONFIG_SWSCALE_ALPHA && c->alpPixBuf) {
YSCALE_YUV_2_RGBX_FULL_C(1<<21, 1)
dest[aidx]= A;
dest[0]= R>>22;
dest[1]= G>>22;
dest[2]= B>>22;
dest+= step;
for (j = 0; j < chrFilterSize; j++) {
U += chrUSrc[j][i] * chrFilter[j];
V += chrVSrc[j][i] * chrFilter[j];
}
} else {
YSCALE_YUV_2_RGBX_FULL_C(1<<21, 0)
dest[aidx]= 255;
dest[0]= R>>22;
dest[1]= G>>22;
dest[2]= B>>22;
dest+= step;
Y >>= 10;
U >>= 10;
V >>= 10;
if (hasAlpha) {
A = 1 << 21;
for (j = 0; j < lumFilterSize; j++) {
A += alpSrc[j][i] * lumFilter[j];
}
A >>= 19;
if (A & 0x100)
A = av_clip_uint8(A);
}
Y -= c->yuv2rgb_y_offset;
Y *= c->yuv2rgb_y_coeff;
Y += 1 << 21;
R = Y + V*c->yuv2rgb_v2r_coeff;
G = Y + V*c->yuv2rgb_v2g_coeff + U*c->yuv2rgb_u2g_coeff;
B = Y + U*c->yuv2rgb_u2b_coeff;
if ((R | G | B) & 0xC0000000) {
R = av_clip_uintp2(R, 30);
G = av_clip_uintp2(G, 30);
B = av_clip_uintp2(B, 30);
}
switch(target) {
case PIX_FMT_ARGB:
dest[0] = hasAlpha ? A : 255;
dest[1] = R >> 22;
dest[2] = G >> 22;
dest[3] = B >> 22;
break;
case PIX_FMT_RGB24:
dest[0] = R >> 22;
dest[1] = G >> 22;
dest[2] = B >> 22;
break;
case PIX_FMT_RGBA:
dest[0] = R >> 22;
dest[1] = G >> 22;
dest[2] = B >> 22;
dest[3] = hasAlpha ? A : 255;
break;
case PIX_FMT_ABGR:
dest++;
aidx= 0;
dest[0] = hasAlpha ? A : 255;
dest[1] = B >> 22;
dest[2] = G >> 22;
dest[3] = R >> 22;
dest += 4;
break;
case PIX_FMT_BGR24:
aidx--;
dest[0] = B >> 22;
dest[1] = G >> 22;
dest[2] = R >> 22;
break;
case PIX_FMT_BGRA:
if (CONFIG_SMALL) {
int needAlpha = CONFIG_SWSCALE_ALPHA && c->alpPixBuf;
YSCALE_YUV_2_RGBX_FULL_C(1<<21, needAlpha)
dest[aidx]= needAlpha ? A : 255;
dest[0]= B>>22;
dest[1]= G>>22;
dest[2]= R>>22;
dest+= step;
}
} else {
if (CONFIG_SWSCALE_ALPHA && c->alpPixBuf) {
YSCALE_YUV_2_RGBX_FULL_C(1<<21, 1)
dest[aidx]= A;
dest[0]= B>>22;
dest[1]= G>>22;
dest[2]= R>>22;
dest+= step;
}
} else {
YSCALE_YUV_2_RGBX_FULL_C(1<<21, 0)
dest[aidx]= 255;
dest[0]= B>>22;
dest[1]= G>>22;
dest[2]= R>>22;
dest+= step;
}
}
}
dest[0] = B >> 22;
dest[1] = G >> 22;
dest[2] = R >> 22;
dest[3] = hasAlpha ? A : 255;
break;
default:
assert(0);
}
dest += step;
}
}
#if CONFIG_SMALL
YUV2RGBWRAPPERX(yuv2, rgb_full, bgra32_full, PIX_FMT_BGRA, CONFIG_SWSCALE_ALPHA && c->alpPixBuf);
YUV2RGBWRAPPERX(yuv2, rgb_full, abgr32_full, PIX_FMT_ABGR, CONFIG_SWSCALE_ALPHA && c->alpPixBuf);
YUV2RGBWRAPPERX(yuv2, rgb_full, rgba32_full, PIX_FMT_RGBA, CONFIG_SWSCALE_ALPHA && c->alpPixBuf);
YUV2RGBWRAPPERX(yuv2, rgb_full, argb32_full, PIX_FMT_ARGB, CONFIG_SWSCALE_ALPHA && c->alpPixBuf);
#else
#if CONFIG_SWSCALE_ALPHA
YUV2RGBWRAPPERX(yuv2, rgb_full, bgra32_full, PIX_FMT_BGRA, 1);
YUV2RGBWRAPPERX(yuv2, rgb_full, abgr32_full, PIX_FMT_ABGR, 1);
YUV2RGBWRAPPERX(yuv2, rgb_full, rgba32_full, PIX_FMT_RGBA, 1);
YUV2RGBWRAPPERX(yuv2, rgb_full, argb32_full, PIX_FMT_ARGB, 1);
#endif
YUV2RGBWRAPPERX(yuv2, rgb_full, bgrx32_full, PIX_FMT_BGRA, 0);
YUV2RGBWRAPPERX(yuv2, rgb_full, xbgr32_full, PIX_FMT_ABGR, 0);
YUV2RGBWRAPPERX(yuv2, rgb_full, rgbx32_full, PIX_FMT_RGBA, 0);
YUV2RGBWRAPPERX(yuv2, rgb_full, xrgb32_full, PIX_FMT_ARGB, 0);
#endif
YUV2RGBWRAPPERX(yuv2, rgb_full, bgr24_full, PIX_FMT_BGR24, 0);
YUV2RGBWRAPPERX(yuv2, rgb_full, rgb24_full, PIX_FMT_RGB24, 0);
static av_always_inline void fillPlane(uint8_t* plane, int stride,
int width, int height,
int y, uint8_t val)
@ -1978,7 +1965,70 @@ find_c_packed_planar_out_funcs(SwsContext *c,
*yuv2yuvX = yuv2yuvX_c;
}
if(c->flags & SWS_FULL_CHR_H_INT) {
*yuv2packedX = yuv2rgbX_c_full;
switch (dstFormat) {
case PIX_FMT_RGBA:
#if CONFIG_SMALL
*yuv2packedX = yuv2rgba32_full_X_c;
#else
#if CONFIG_SWSCALE_ALPHA
if (c->alpPixBuf) {
*yuv2packedX = yuv2rgba32_full_X_c;
} else
#endif /* CONFIG_SWSCALE_ALPHA */
{
*yuv2packedX = yuv2rgbx32_full_X_c;
}
#endif /* !CONFIG_SMALL */
break;
case PIX_FMT_ARGB:
#if CONFIG_SMALL
*yuv2packedX = yuv2argb32_full_X_c;
#else
#if CONFIG_SWSCALE_ALPHA
if (c->alpPixBuf) {
*yuv2packedX = yuv2argb32_full_X_c;
} else
#endif /* CONFIG_SWSCALE_ALPHA */
{
*yuv2packedX = yuv2xrgb32_full_X_c;
}
#endif /* !CONFIG_SMALL */
break;
case PIX_FMT_BGRA:
#if CONFIG_SMALL
*yuv2packedX = yuv2bgra32_full_X_c;
#else
#if CONFIG_SWSCALE_ALPHA
if (c->alpPixBuf) {
*yuv2packedX = yuv2bgra32_full_X_c;
} else
#endif /* CONFIG_SWSCALE_ALPHA */
{
*yuv2packedX = yuv2bgrx32_full_X_c;
}
#endif /* !CONFIG_SMALL */
break;
case PIX_FMT_ABGR:
#if CONFIG_SMALL
*yuv2packedX = yuv2abgr32_full_X_c;
#else
#if CONFIG_SWSCALE_ALPHA
if (c->alpPixBuf) {
*yuv2packedX = yuv2abgr32_full_X_c;
} else
#endif /* CONFIG_SWSCALE_ALPHA */
{
*yuv2packedX = yuv2xbgr32_full_X_c;
}
#endif /* !CONFIG_SMALL */
break;
case PIX_FMT_RGB24:
*yuv2packedX = yuv2rgb24_full_X_c;
break;
case PIX_FMT_BGR24:
*yuv2packedX = yuv2bgr24_full_X_c;
break;
}
} else {
switch (dstFormat) {
case PIX_FMT_GRAY16BE:

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