#include "libavutil/x86_cpu.h"
#include "libavutil/bswap.h"
+extern const uint8_t dither_4x4_16[4][8];
extern const uint8_t dither_8x8_32[8][8];
extern const uint8_t dither_8x8_73[8][8];
extern const uint8_t dither_8x8_220[8][8];
CLOSEYUV2RGBFUNC(8)
#endif
+// r, g, b, dst_1, dst_2
+YUV2RGBFUNC(yuv2rgb_c_12_ordered_dither, uint16_t, 0)
+ const uint8_t *d16 = dither_4x4_16[y&3];
+#define PUTRGB12(dst,src,i,o) \
+ Y = src[2*i]; \
+ dst[2*i] = r[Y+d16[0+o]] + g[Y+d16[0+o]] + b[Y+d16[0+o]]; \
+ Y = src[2*i+1]; \
+ dst[2*i+1] = r[Y+d16[1+o]] + g[Y+d16[1+o]] + b[Y+d16[1+o]];
+
+ LOADCHROMA(0);
+ PUTRGB12(dst_1,py_1,0,0);
+ PUTRGB12(dst_2,py_2,0,0+8);
+
+ LOADCHROMA(1);
+ PUTRGB12(dst_2,py_2,1,2+8);
+ PUTRGB12(dst_1,py_1,1,2);
+
+ LOADCHROMA(2);
+ PUTRGB12(dst_1,py_1,2,4);
+ PUTRGB12(dst_2,py_2,2,4+8);
+
+ LOADCHROMA(3);
+ PUTRGB12(dst_2,py_2,3,6+8);
+ PUTRGB12(dst_1,py_1,3,6);
+CLOSEYUV2RGBFUNC(8)
+
// r, g, b, dst_1, dst_2
YUV2RGBFUNC(yuv2rgb_c_8_ordered_dither, uint8_t, 0)
const uint8_t *d32 = dither_8x8_32[y&7];
SwsFunc ff_yuv2rgb_get_func_ptr(SwsContext *c)
{
SwsFunc t = NULL;
-#if (HAVE_MMX2 || HAVE_MMX) && CONFIG_GPL
+#if HAVE_MMX
t = ff_yuv2rgb_init_mmx(c);
#endif
#if HAVE_VIS
case PIX_FMT_BGR565:
case PIX_FMT_RGB555:
case PIX_FMT_BGR555: return yuv2rgb_c_16;
+ case PIX_FMT_RGB444:
+ case PIX_FMT_BGR444: return yuv2rgb_c_12_ordered_dither;
case PIX_FMT_RGB8:
case PIX_FMT_BGR8: return yuv2rgb_c_8_ordered_dither;
case PIX_FMT_RGB4:
return NULL;
}
-static void fill_table(uint8_t* table[256], const int elemsize, const int inc, uint8_t *y_table)
+static void fill_table(uint8_t* table[256], const int elemsize, const int inc, void *y_tab)
{
int i;
int64_t cb = 0;
+ uint8_t *y_table = y_tab;
y_table -= elemsize * (inc >> 9);
}
}
+static uint16_t roundToInt16(int64_t f)
+{
+ int r= (f + (1<<15))>>16;
+ if (r<-0x7FFF) return 0x8000;
+ else if (r> 0x7FFF) return 0x7FFF;
+ else return r;
+}
+
av_cold int ff_yuv2rgb_c_init_tables(SwsContext *c, const int inv_table[4], int fullRange,
int brightness, int contrast, int saturation)
{
|| c->dstFormat==PIX_FMT_RGB565LE
|| c->dstFormat==PIX_FMT_RGB555BE
|| c->dstFormat==PIX_FMT_RGB555LE
+ || c->dstFormat==PIX_FMT_RGB444BE
+ || c->dstFormat==PIX_FMT_RGB444LE
|| c->dstFormat==PIX_FMT_RGB8
|| c->dstFormat==PIX_FMT_RGB4
|| c->dstFormat==PIX_FMT_RGB4_BYTE
|| c->dstFormat==PIX_FMT_MONOBLACK;
const int isNotNe = c->dstFormat==PIX_FMT_NE(RGB565LE,RGB565BE)
|| c->dstFormat==PIX_FMT_NE(RGB555LE,RGB555BE)
+ || c->dstFormat==PIX_FMT_NE(RGB444LE,RGB444BE)
|| c->dstFormat==PIX_FMT_NE(BGR565LE,BGR565BE)
- || c->dstFormat==PIX_FMT_NE(BGR555LE,BGR555BE);
+ || c->dstFormat==PIX_FMT_NE(BGR555LE,BGR555BE)
+ || c->dstFormat==PIX_FMT_NE(BGR444LE,BGR444BE);
const int bpp = c->dstFormatBpp;
uint8_t *y_table;
uint16_t *y_table16;
cgv = (cgv*contrast * saturation) >> 32;
oy -= 256*brightness;
+ c->uOffset= 0x0400040004000400LL;
+ c->vOffset= 0x0400040004000400LL;
+ c->yCoeff= roundToInt16(cy *8192) * 0x0001000100010001ULL;
+ c->vrCoeff= roundToInt16(crv*8192) * 0x0001000100010001ULL;
+ c->ubCoeff= roundToInt16(cbu*8192) * 0x0001000100010001ULL;
+ c->vgCoeff= roundToInt16(cgv*8192) * 0x0001000100010001ULL;
+ c->ugCoeff= roundToInt16(cgu*8192) * 0x0001000100010001ULL;
+ c->yOffset= roundToInt16(oy * 8) * 0x0001000100010001ULL;
+
+ c->yuv2rgb_y_coeff = (int16_t)roundToInt16(cy <<13);
+ c->yuv2rgb_y_offset = (int16_t)roundToInt16(oy << 9);
+ c->yuv2rgb_v2r_coeff= (int16_t)roundToInt16(crv<<13);
+ c->yuv2rgb_v2g_coeff= (int16_t)roundToInt16(cgv<<13);
+ c->yuv2rgb_u2g_coeff= (int16_t)roundToInt16(cgu<<13);
+ c->yuv2rgb_u2b_coeff= (int16_t)roundToInt16(cbu<<13);
+
//scale coefficients by cy
crv = ((crv << 16) + 0x8000) / cy;
cbu = ((cbu << 16) + 0x8000) / cy;
fill_table(c->table_bU, 1, cbu, y_table + yoffs + 2048);
fill_gv_table(c->table_gV, 1, cgv);
break;
+ case 12:
+ rbase = isRgb ? 8 : 0;
+ gbase = 4;
+ bbase = isRgb ? 0 : 8;
+ c->yuvTable = av_malloc(1024*3*2);
+ y_table16 = c->yuvTable;
+ yb = -(384<<16) - oy;
+ for (i = 0; i < 1024; i++) {
+ uint8_t yval = av_clip_uint8((yb + 0x8000) >> 16);
+ y_table16[i ] = (yval >> 4) << rbase;
+ y_table16[i+1024] = (yval >> 4) << gbase;
+ y_table16[i+2048] = (yval >> 4) << bbase;
+ yb += cy;
+ }
+ if (isNotNe)
+ for (i = 0; i < 1024*3; i++)
+ y_table16[i] = av_bswap16(y_table16[i]);
+ fill_table(c->table_rV, 2, crv, y_table16 + yoffs);
+ fill_table(c->table_gU, 2, cgu, y_table16 + yoffs + 1024);
+ fill_table(c->table_bU, 2, cbu, y_table16 + yoffs + 2048);
+ fill_gv_table(c->table_gV, 2, cgv);
+ break;
case 15:
case 16:
rbase = isRgb ? bpp - 5 : 0;
}
if(isNotNe)
for (i = 0; i < 1024*3; i++)
- y_table16[i] = bswap_16(y_table16[i]);
+ y_table16[i] = av_bswap16(y_table16[i]);
fill_table(c->table_rV, 2, crv, y_table16 + yoffs);
fill_table(c->table_gU, 2, cgu, y_table16 + yoffs + 1024);
fill_table(c->table_bU, 2, cbu, y_table16 + yoffs + 2048);
projects / ffmpeg / blobdiff