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ffmpeg.wasm-core
Commit 3acd545f authored by Cédric Schieli's avatar Cédric Schieli
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Add YUVA420P -> RGBA/BGRA/ARGB/ABGR unscaled converters 

Originally committed as revision 29010 to svn://svn.mplayerhq.hu/mplayer/trunk/libswscale
parent a9ddb5b1
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Showing with 115 additions and 10 deletions
libswscale/yuv2rgb.c
View file @ 3acd545f
......@@ -102,12 +102,18 @@ const int32_t ff_yuv2rgb_coeffs[8][4] = {
Y = src[2*i+1]; \
dst[6*i+3] = b[Y]; dst[6*i+4] = g[Y]; dst[6*i+5] = r[Y];
#define PUTRGBA(dst,ysrc,asrc,i,o,s) \
Y = ysrc[2*i+o]; \
dst[2*i ] = r[Y] + g[Y] + b[Y] + (asrc[2*i ]<<s); \
Y = ysrc[2*i+1-o]; \
dst[2*i+1] = r[Y] + g[Y] + b[Y] + (asrc[2*i+1]<<s);
#define YUV2RGBFUNC(func_name, dst_type, alpha) \
static int func_name(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, \
int srcSliceH, uint8_t* dst[], int dstStride[]){\
int y;\
\
if (c->srcFormat == PIX_FMT_YUV422P) {\
if (!alpha && c->srcFormat == PIX_FMT_YUV422P) {\
srcStride[1] *= 2;\
srcStride[2] *= 2;\
}\
......@@ -120,7 +126,12 @@ static int func_name(SwsContext *c, uint8_t* src[], int srcStride[], int srcSlic
uint8_t *py_2 = py_1 + srcStride[0];\
uint8_t *pu = src[1] + (y>>1)*srcStride[1];\
uint8_t *pv = src[2] + (y>>1)*srcStride[2];\
uint8_t av_unused *pa_1, *pa_2;\
unsigned int h_size = c->dstW>>3;\
if (alpha){\
pa_1 = src[3] + y*srcStride[3];\
pa_2 = pa_1 + srcStride[3];\
}\
while (h_size--) {\
int av_unused U, V;\
int Y;\
......@@ -175,6 +186,68 @@ ENDYUV2RGBLINE(8)
PUTRGB(dst_1,py_1,1,0);
ENDYUV2RGBFUNC()
YUV2RGBFUNC(yuva2rgba_c, uint32_t, 1)
LOADCHROMA(0);
PUTRGBA(dst_1,py_1,pa_1,0,0,24);
PUTRGBA(dst_2,py_2,pa_2,0,1,24);
LOADCHROMA(1);
PUTRGBA(dst_2,py_2,pa_1,1,1,24);
PUTRGBA(dst_1,py_1,pa_2,1,0,24);
LOADCHROMA(1);
PUTRGBA(dst_2,py_2,pa_1,1,1,24);
PUTRGBA(dst_1,py_1,pa_2,1,0,24);
LOADCHROMA(2);
PUTRGBA(dst_1,py_1,pa_1,2,0,24);
PUTRGBA(dst_2,py_2,pa_2,2,1,24);
LOADCHROMA(3);
PUTRGBA(dst_2,py_2,pa_1,3,1,24);
PUTRGBA(dst_1,py_1,pa_2,3,0,24);
pa_1 += 8;\
pa_2 += 8;\
ENDYUV2RGBLINE(8)
LOADCHROMA(0);
PUTRGBA(dst_1,py_1,pa_1,0,0,24);
PUTRGBA(dst_2,py_2,pa_2,0,1,24);
LOADCHROMA(1);
PUTRGBA(dst_2,py_2,pa_1,1,1,24);
PUTRGBA(dst_1,py_1,pa_2,1,0,24);
ENDYUV2RGBFUNC()
YUV2RGBFUNC(yuva2argb_c, uint32_t, 1)
LOADCHROMA(0);
PUTRGBA(dst_1,py_1,pa_1,0,0,0);
PUTRGBA(dst_2,py_2,pa_2,0,1,0);
LOADCHROMA(1);
PUTRGBA(dst_2,py_2,pa_2,1,1,0);
PUTRGBA(dst_1,py_1,pa_1,1,0,0);
LOADCHROMA(1);
PUTRGBA(dst_2,py_2,pa_2,1,1,0);
PUTRGBA(dst_1,py_1,pa_1,1,0,0);
LOADCHROMA(2);
PUTRGBA(dst_1,py_1,pa_1,2,0,0);
PUTRGBA(dst_2,py_2,pa_2,2,1,0);
LOADCHROMA(3);
PUTRGBA(dst_2,py_2,pa_2,3,1,0);
PUTRGBA(dst_1,py_1,pa_1,3,0,0);
pa_1 += 8;\
pa_2 += 8;\
ENDYUV2RGBLINE(8)
LOADCHROMA(0);
PUTRGBA(dst_1,py_1,pa_1,0,0,0);
PUTRGBA(dst_2,py_2,pa_2,0,1,0);
LOADCHROMA(1);
PUTRGBA(dst_2,py_2,pa_2,1,1,0);
PUTRGBA(dst_1,py_1,pa_1,1,0,0);
ENDYUV2RGBFUNC()
YUV2RGBFUNC(yuv2rgb_c_24_rgb, uint8_t, 0)
LOADCHROMA(0);
PUTRGB24(dst_1,py_1,0);
......@@ -433,7 +506,10 @@ SwsFunc ff_yuv2rgb_get_func_ptr(SwsContext *c)
#if (HAVE_MMX2 || HAVE_MMX) && CONFIG_GPL
if (c->flags & SWS_CPU_CAPS_MMX2) {
switch (c->dstFormat) {
case PIX_FMT_RGB32: return yuv420_rgb32_MMX2;
case PIX_FMT_RGB32:
if (CONFIG_SWSCALE_ALPHA && c->srcFormat == PIX_FMT_YUVA420P){
if (HAVE_7REGS) return yuva420_rgb32_MMX2;
}else return yuv420_rgb32_MMX2;
case PIX_FMT_BGR24: return yuv420_rgb24_MMX2;
case PIX_FMT_RGB565: return yuv420_rgb16_MMX2;
case PIX_FMT_RGB555: return yuv420_rgb15_MMX2;
......@@ -441,7 +517,10 @@ SwsFunc ff_yuv2rgb_get_func_ptr(SwsContext *c)
}
if (c->flags & SWS_CPU_CAPS_MMX) {
switch (c->dstFormat) {
case PIX_FMT_RGB32: return yuv420_rgb32_MMX;
case PIX_FMT_RGB32:
if (CONFIG_SWSCALE_ALPHA && c->srcFormat == PIX_FMT_YUVA420P){
if (HAVE_7REGS) return yuva420_rgb32_MMX;
}else return yuv420_rgb32_MMX;
case PIX_FMT_BGR24: return yuv420_rgb24_MMX;
case PIX_FMT_RGB565: return yuv420_rgb16_MMX;
case PIX_FMT_RGB555: return yuv420_rgb15_MMX;
......@@ -470,10 +549,10 @@ SwsFunc ff_yuv2rgb_get_func_ptr(SwsContext *c)
av_log(c, AV_LOG_WARNING, "No accelerated colorspace conversion found.\n");
switch (c->dstFormat) {
case PIX_FMT_BGR32_1:
case PIX_FMT_RGB32_1:
case PIX_FMT_BGR32:
case PIX_FMT_RGB32: return yuv2rgb_c_32;
case PIX_FMT_ARGB:
case PIX_FMT_ABGR: if (CONFIG_SWSCALE_ALPHA && c->srcFormat == PIX_FMT_YUVA420P) return yuva2argb_c;
case PIX_FMT_RGBA:
case PIX_FMT_BGRA: return (CONFIG_SWSCALE_ALPHA && c->srcFormat == PIX_FMT_YUVA420P) ? yuva2rgba_c : yuv2rgb_c_32;
case PIX_FMT_RGB24: return yuv2rgb_c_24_rgb;
case PIX_FMT_BGR24: return yuv2rgb_c_24_bgr;
case PIX_FMT_RGB565:
......@@ -534,7 +613,7 @@ av_cold int ff_yuv2rgb_c_init_tables(SwsContext *c, const int inv_table[4], int
uint8_t *y_table;
uint16_t *y_table16;
uint32_t *y_table32;
int i, base, rbase, gbase, bbase, abase;
int i, base, rbase, gbase, bbase, abase, needAlpha;
const int yoffs = fullRange ? 384 : 326;
int64_t crv = inv_table[0];
......@@ -660,13 +739,15 @@ av_cold int ff_yuv2rgb_c_init_tables(SwsContext *c, const int inv_table[4], int
rbase = base + (isRgb ? 16 : 0);
gbase = base + 8;
bbase = base + (isRgb ? 0 : 16);
abase = (base + 24) & 31;
needAlpha = CONFIG_SWSCALE_ALPHA && isALPHA(c->srcFormat);
if (!needAlpha)
abase = (base + 24) & 31;
c->yuvTable = av_malloc(1024*3*4);
y_table32 = c->yuvTable;
yb = -(384<<16) - oy;
for (i = 0; i < 1024; i++) {
uint8_t yval = av_clip_uint8((yb + 0x8000) >> 16);
y_table32[i ] = (yval << rbase) + (255 << abase);
y_table32[i ] = (yval << rbase) + (needAlpha ? 0 : (255 << abase));
y_table32[i+1024] = yval << gbase;
y_table32[i+2048] = yval << bbase;
yb += cy;
......
libswscale/yuv2rgb_template.c
View file @ 3acd545f
......@@ -171,6 +171,14 @@
__asm__ volatile (EMMS); \
return srcSliceH; \
#define YUV2RGB_OPERANDS_ALPHA \
: "+r" (index), "+r" (image) \
: "r" (pu - index), "r" (pv - index), "r"(&c->redDither), "r" (py - 2*index), "r" (pa - 2*index) \
); \
} \
__asm__ volatile (EMMS); \
return srcSliceH; \
static inline int RENAME(yuv420_rgb16)(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY,
int srcSliceH, uint8_t* dst[], int dstStride[]){
int y, h_size;
......@@ -456,3 +464,19 @@ static inline int RENAME(yuv420_rgb32)(SwsContext *c, uint8_t* src[], int srcStr
YUV2RGB_ENDLOOP(4)
YUV2RGB_OPERANDS
}
static inline int RENAME(yuva420_rgb32)(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY,
int srcSliceH, uint8_t* dst[], int dstStride[]){
int y, h_size;
YUV2RGB_LOOP(4)
uint8_t *pa = src[3] + y*srcStride[3];
YUV2RGB_INIT
YUV2RGB
"movq (%6, %0, 2), %%mm3;" /* Load 8 A A7 A6 A5 A4 A3 A2 A1 A0 */
RGB_PLANAR2PACKED32
YUV2RGB_ENDLOOP(4)
YUV2RGB_OPERANDS_ALPHA
}
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