Move postproc ---> libswscale

Originally committed as revision 18866 to svn://svn.mplayerhq.hu/mplayer/trunk/libswscale

1 files changed, 848 insertions, 0 deletions

diff --git a/libswscale/yuv2rgb.c b/libswscale/yuv2rgb.c
new file mode 100644
index 0000000000..63e465fb84
--- /dev/null
+++ b/libswscale/yuv2rgb.c
@@ -0,0 +1,848 @@
+/*
+ * yuv2rgb.c, Software YUV to RGB coverter
+ *
+ *  Copyright (C) 1999, Aaron Holtzman <aholtzma@ess.engr.uvic.ca>
+ *  All Rights Reserved.
+ *
+ *  Functions broken out from display_x11.c and several new modes
+ *  added by Håkan Hjort <d95hjort@dtek.chalmers.se>
+ *
+ *  15 & 16 bpp support by Franck Sicard <Franck.Sicard@solsoft.fr>
+ *
+ *  This file is part of mpeg2dec, a free MPEG-2 video decoder
+ *
+ *  mpeg2dec is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2, or (at your option)
+ *  any later version.
+ *
+ *  mpeg2dec 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 General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with GNU Make; see the file COPYING.  If not, write to
+ *  the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ * MMX/MMX2 Template stuff from Michael Niedermayer (michaelni@gmx.at) (needed for fast movntq support)
+ * 1,4,8bpp support by Michael Niedermayer (michaelni@gmx.at)
+ * context / deglobalize stuff by Michael Niedermayer
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <inttypes.h>
+#include <assert.h>
+
+#include "config.h"
+//#include "video_out.h"
+#include "rgb2rgb.h"
+#include "swscale.h"
+#include "swscale_internal.h"
+#include "mangle.h"
+#include "libvo/img_format.h" //FIXME try to reduce dependency of such stuff
+
+#ifdef HAVE_MLIB
+#include "yuv2rgb_mlib.c"
+#endif
+
+#define DITHER1XBPP // only for mmx
+
+const uint8_t  __attribute__((aligned(8))) dither_2x2_4[2][8]={
+{  1,   3,   1,   3,   1,   3,   1,   3, },
+{  2,   0,   2,   0,   2,   0,   2,   0, },
+};
+
+const uint8_t  __attribute__((aligned(8))) dither_2x2_8[2][8]={
+{  6,   2,   6,   2,   6,   2,   6,   2, },
+{  0,   4,   0,   4,   0,   4,   0,   4, },
+};
+
+const uint8_t  __attribute__((aligned(8))) dither_8x8_32[8][8]={
+{ 17,   9,  23,  15,  16,   8,  22,  14, },
+{  5,  29,   3,  27,   4,  28,   2,  26, },
+{ 21,  13,  19,  11,  20,  12,  18,  10, },
+{  0,  24,   6,  30,   1,  25,   7,  31, },
+{ 16,   8,  22,  14,  17,   9,  23,  15, },
+{  4,  28,   2,  26,   5,  29,   3,  27, },
+{ 20,  12,  18,  10,  21,  13,  19,  11, },
+{  1,  25,   7,  31,   0,  24,   6,  30, },
+};
+
+#if 0
+const uint8_t  __attribute__((aligned(8))) dither_8x8_64[8][8]={
+{  0,  48,  12,  60,   3,  51,  15,  63, },
+{ 32,  16,  44,  28,  35,  19,  47,  31, },
+{  8,  56,   4,  52,  11,  59,   7,  55, },
+{ 40,  24,  36,  20,  43,  27,  39,  23, },
+{  2,  50,  14,  62,   1,  49,  13,  61, },
+{ 34,  18,  46,  30,  33,  17,  45,  29, },
+{ 10,  58,   6,  54,   9,  57,   5,  53, },
+{ 42,  26,  38,  22,  41,  25,  37,  21, },
+};
+#endif
+
+const uint8_t  __attribute__((aligned(8))) dither_8x8_73[8][8]={
+{  0,  55,  14,  68,   3,  58,  17,  72, },
+{ 37,  18,  50,  32,  40,  22,  54,  35, },
+{  9,  64,   5,  59,  13,  67,   8,  63, },
+{ 46,  27,  41,  23,  49,  31,  44,  26, },
+{  2,  57,  16,  71,   1,  56,  15,  70, },
+{ 39,  21,  52,  34,  38,  19,  51,  33, },
+{ 11,  66,   7,  62,  10,  65,   6,  60, },
+{ 48,  30,  43,  25,  47,  29,  42,  24, },
+};
+
+#if 0
+const uint8_t  __attribute__((aligned(8))) dither_8x8_128[8][8]={
+{ 68,  36,  92,  60,  66,  34,  90,  58, },
+{ 20, 116,  12, 108,  18, 114,  10, 106, },
+{ 84,  52,  76,  44,  82,  50,  74,  42, },
+{  0,  96,  24, 120,   6, 102,  30, 126, },
+{ 64,  32,  88,  56,  70,  38,  94,  62, },
+{ 16, 112,   8, 104,  22, 118,  14, 110, },
+{ 80,  48,  72,  40,  86,  54,  78,  46, },
+{  4, 100,  28, 124,   2,  98,  26, 122, },
+};
+#endif
+
+#if 1
+const uint8_t  __attribute__((aligned(8))) dither_8x8_220[8][8]={
+{117,  62, 158, 103, 113,  58, 155, 100, },
+{ 34, 199,  21, 186,  31, 196,  17, 182, },
+{144,  89, 131,  76, 141,  86, 127,  72, },
+{  0, 165,  41, 206,  10, 175,  52, 217, },
+{110,  55, 151,  96, 120,  65, 162, 107, },
+{ 28, 193,  14, 179,  38, 203,  24, 189, },
+{138,  83, 124,  69, 148,  93, 134,  79, },
+{  7, 172,  48, 213,   3, 168,  45, 210, },
+};
+#elif 1
+// tries to correct a gamma of 1.5
+const uint8_t  __attribute__((aligned(8))) dither_8x8_220[8][8]={
+{  0, 143,  18, 200,   2, 156,  25, 215, },
+{ 78,  28, 125,  64,  89,  36, 138,  74, },
+{ 10, 180,   3, 161,  16, 195,   8, 175, },
+{109,  51,  93,  38, 121,  60, 105,  47, },
+{  1, 152,  23, 210,   0, 147,  20, 205, },
+{ 85,  33, 134,  71,  81,  30, 130,  67, },
+{ 14, 190,   6, 171,  12, 185,   5, 166, },
+{117,  57, 101,  44, 113,  54,  97,  41, },
+};
+#elif 1
+// tries to correct a gamma of 2.0
+const uint8_t  __attribute__((aligned(8))) dither_8x8_220[8][8]={
+{  0, 124,   8, 193,   0, 140,  12, 213, },
+{ 55,  14, 104,  42,  66,  19, 119,  52, },
+{  3, 168,   1, 145,   6, 187,   3, 162, },
+{ 86,  31,  70,  21,  99,  39,  82,  28, },
+{  0, 134,  11, 206,   0, 129,   9, 200, },
+{ 62,  17, 114,  48,  58,  16, 109,  45, },
+{  5, 181,   2, 157,   4, 175,   1, 151, },
+{ 95,  36,  78,  26,  90,  34,  74,  24, },
+};
+#else
+// tries to correct a gamma of 2.5
+const uint8_t  __attribute__((aligned(8))) dither_8x8_220[8][8]={
+{  0, 107,   3, 187,   0, 125,   6, 212, },
+{ 39,   7,  86,  28,  49,  11, 102,  36, },
+{  1, 158,   0, 131,   3, 180,   1, 151, },
+{ 68,  19,  52,  12,  81,  25,  64,  17, },
+{  0, 119,   5, 203,   0, 113,   4, 195, },
+{ 45,   9,  96,  33,  42,   8,  91,  30, },
+{  2, 172,   1, 144,   2, 165,   0, 137, },
+{ 77,  23,  60,  15,  72,  21,  56,  14, },
+};
+#endif
+
+#if defined(ARCH_X86) || defined(ARCH_X86_64)
+
+/* hope these constant values are cache line aligned */
+uint64_t attribute_used __attribute__((aligned(8))) mmx_00ffw = 0x00ff00ff00ff00ffULL;
+uint64_t attribute_used __attribute__((aligned(8))) mmx_redmask = 0xf8f8f8f8f8f8f8f8ULL;
+uint64_t attribute_used __attribute__((aligned(8))) mmx_grnmask = 0xfcfcfcfcfcfcfcfcULL;
+
+uint64_t attribute_used __attribute__((aligned(8))) M24A=   0x00FF0000FF0000FFULL;
+uint64_t attribute_used __attribute__((aligned(8))) M24B=   0xFF0000FF0000FF00ULL;
+uint64_t attribute_used __attribute__((aligned(8))) M24C=   0x0000FF0000FF0000ULL;
+
+// the volatile is required because gcc otherwise optimizes some writes away not knowing that these
+// are read in the asm block
+volatile uint64_t attribute_used __attribute__((aligned(8))) b5Dither;
+volatile uint64_t attribute_used __attribute__((aligned(8))) g5Dither;
+volatile uint64_t attribute_used __attribute__((aligned(8))) g6Dither;
+volatile uint64_t attribute_used __attribute__((aligned(8))) r5Dither;
+
+uint64_t __attribute__((aligned(8))) dither4[2]={
+	0x0103010301030103LL,
+	0x0200020002000200LL,};
+
+uint64_t __attribute__((aligned(8))) dither8[2]={
+	0x0602060206020602LL,
+	0x0004000400040004LL,};
+
+#undef HAVE_MMX
+
+//MMX versions
+#undef RENAME
+#define HAVE_MMX
+#undef HAVE_MMX2
+#undef HAVE_3DNOW
+#define RENAME(a) a ## _MMX
+#include "yuv2rgb_template.c"
+
+//MMX2 versions
+#undef RENAME
+#define HAVE_MMX
+#define HAVE_MMX2
+#undef HAVE_3DNOW
+#define RENAME(a) a ## _MMX2
+#include "yuv2rgb_template.c"
+
+#endif // CAN_COMPILE_X86_ASM
+
+const int32_t Inverse_Table_6_9[8][4] = {
+    {117504, 138453, 13954, 34903}, /* no sequence_display_extension */
+    {117504, 138453, 13954, 34903}, /* ITU-R Rec. 709 (1990) */
+    {104597, 132201, 25675, 53279}, /* unspecified */
+    {104597, 132201, 25675, 53279}, /* reserved */
+    {104448, 132798, 24759, 53109}, /* FCC */
+    {104597, 132201, 25675, 53279}, /* ITU-R Rec. 624-4 System B, G */
+    {104597, 132201, 25675, 53279}, /* SMPTE 170M */
+    {117579, 136230, 16907, 35559}  /* SMPTE 240M (1987) */
+};
+
+#define RGB(i)					\
+	U = pu[i];				\
+	V = pv[i];				\
+	r = c->table_rV[V];			\
+	g = c->table_gU[U] + c->table_gV[V];		\
+	b = c->table_bU[U];
+
+#define DST1(i)					\
+	Y = py_1[2*i];				\
+	dst_1[2*i] = r[Y] + g[Y] + b[Y];	\
+	Y = py_1[2*i+1];			\
+	dst_1[2*i+1] = r[Y] + g[Y] + b[Y];
+
+#define DST2(i)					\
+	Y = py_2[2*i];				\
+	dst_2[2*i] = r[Y] + g[Y] + b[Y];	\
+	Y = py_2[2*i+1];			\
+	dst_2[2*i+1] = r[Y] + g[Y] + b[Y];
+
+#define DST1RGB(i)							\
+	Y = py_1[2*i];							\
+	dst_1[6*i] = r[Y]; dst_1[6*i+1] = g[Y]; dst_1[6*i+2] = b[Y];	\
+	Y = py_1[2*i+1];						\
+	dst_1[6*i+3] = r[Y]; dst_1[6*i+4] = g[Y]; dst_1[6*i+5] = b[Y];
+
+#define DST2RGB(i)							\
+	Y = py_2[2*i];							\
+	dst_2[6*i] = r[Y]; dst_2[6*i+1] = g[Y]; dst_2[6*i+2] = b[Y];	\
+	Y = py_2[2*i+1];						\
+	dst_2[6*i+3] = r[Y]; dst_2[6*i+4] = g[Y]; dst_2[6*i+5] = b[Y];
+
+#define DST1BGR(i)							\
+	Y = py_1[2*i];							\
+	dst_1[6*i] = b[Y]; dst_1[6*i+1] = g[Y]; dst_1[6*i+2] = r[Y];	\
+	Y = py_1[2*i+1];						\
+	dst_1[6*i+3] = b[Y]; dst_1[6*i+4] = g[Y]; dst_1[6*i+5] = r[Y];
+
+#define DST2BGR(i)							\
+	Y = py_2[2*i];							\
+	dst_2[6*i] = b[Y]; dst_2[6*i+1] = g[Y]; dst_2[6*i+2] = r[Y];	\
+	Y = py_2[2*i+1];						\
+	dst_2[6*i+3] = b[Y]; dst_2[6*i+4] = g[Y]; dst_2[6*i+5] = r[Y];
+
+#define PROLOG(func_name, dst_type) \
+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 == IMGFMT_422P){\
+	srcStride[1] *= 2;\
+	srcStride[2] *= 2;\
+    }\
+    for(y=0; y<srcSliceH; y+=2){\
+	dst_type *dst_1= (dst_type*)(dst[0] + (y+srcSliceY  )*dstStride[0]);\
+	dst_type *dst_2= (dst_type*)(dst[0] + (y+srcSliceY+1)*dstStride[0]);\
+	dst_type *r, *g, *b;\
+	uint8_t *py_1= src[0] + y*srcStride[0];\
+	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];\
+	unsigned int h_size= c->dstW>>3;\
+	while (h_size--) {\
+	    int U, V, Y;\
+
+#define EPILOG(dst_delta)\
+	    pu += 4;\
+	    pv += 4;\
+	    py_1 += 8;\
+	    py_2 += 8;\
+	    dst_1 += dst_delta;\
+	    dst_2 += dst_delta;\
+	}\
+    }\
+    return srcSliceH;\
+}
+
+PROLOG(yuv2rgb_c_32, uint32_t)
+	RGB(0);
+	DST1(0);
+	DST2(0);
+
+	RGB(1);
+	DST2(1);
+	DST1(1);
+
+	RGB(2);
+	DST1(2);
+	DST2(2);
+
+	RGB(3);
+	DST2(3);
+	DST1(3);
+EPILOG(8)
+
+PROLOG(yuv2rgb_c_24_rgb, uint8_t)
+	RGB(0);
+	DST1RGB(0);
+	DST2RGB(0);
+
+	RGB(1);
+	DST2RGB(1);
+	DST1RGB(1);
+
+	RGB(2);
+	DST1RGB(2);
+	DST2RGB(2);
+
+	RGB(3);
+	DST2RGB(3);
+	DST1RGB(3);
+EPILOG(24)
+
+// only trivial mods from yuv2rgb_c_24_rgb
+PROLOG(yuv2rgb_c_24_bgr, uint8_t)
+	RGB(0);
+	DST1BGR(0);
+	DST2BGR(0);
+
+	RGB(1);
+	DST2BGR(1);
+	DST1BGR(1);
+
+	RGB(2);
+	DST1BGR(2);
+	DST2BGR(2);
+
+	RGB(3);
+	DST2BGR(3);
+	DST1BGR(3);
+EPILOG(24)
+
+// This is exactly the same code as yuv2rgb_c_32 except for the types of
+// r, g, b, dst_1, dst_2
+PROLOG(yuv2rgb_c_16, uint16_t)
+	RGB(0);
+	DST1(0);
+	DST2(0);
+
+	RGB(1);
+	DST2(1);
+	DST1(1);
+
+	RGB(2);
+	DST1(2);
+	DST2(2);
+
+	RGB(3);
+	DST2(3);
+	DST1(3);
+EPILOG(8)
+
+// This is exactly the same code as yuv2rgb_c_32 except for the types of
+// r, g, b, dst_1, dst_2
+PROLOG(yuv2rgb_c_8, uint8_t)
+	RGB(0);
+	DST1(0);
+	DST2(0);
+
+	RGB(1);
+	DST2(1);
+	DST1(1);
+
+	RGB(2);
+	DST1(2);
+	DST2(2);
+
+	RGB(3);
+	DST2(3);
+	DST1(3);
+EPILOG(8)
+
+// r, g, b, dst_1, dst_2
+PROLOG(yuv2rgb_c_8_ordered_dither, uint8_t)
+	const uint8_t *d32= dither_8x8_32[y&7];
+	const uint8_t *d64= dither_8x8_73[y&7];
+#define DST1bpp8(i,o)					\
+	Y = py_1[2*i];				\
+	dst_1[2*i] = r[Y+d32[0+o]] + g[Y+d32[0+o]] + b[Y+d64[0+o]];	\
+	Y = py_1[2*i+1];			\
+	dst_1[2*i+1] = r[Y+d32[1+o]] + g[Y+d32[1+o]] + b[Y+d64[1+o]];
+
+#define DST2bpp8(i,o)					\
+	Y = py_2[2*i];				\
+	dst_2[2*i] =  r[Y+d32[8+o]] + g[Y+d32[8+o]] + b[Y+d64[8+o]];	\
+	Y = py_2[2*i+1];			\
+	dst_2[2*i+1] =  r[Y+d32[9+o]] + g[Y+d32[9+o]] + b[Y+d64[9+o]];
+
+
+	RGB(0);
+	DST1bpp8(0,0);
+	DST2bpp8(0,0);
+
+	RGB(1);
+	DST2bpp8(1,2);
+	DST1bpp8(1,2);
+
+	RGB(2);
+	DST1bpp8(2,4);
+	DST2bpp8(2,4);
+
+	RGB(3);
+	DST2bpp8(3,6);
+	DST1bpp8(3,6);
+EPILOG(8)
+
+
+// This is exactly the same code as yuv2rgb_c_32 except for the types of
+// r, g, b, dst_1, dst_2
+PROLOG(yuv2rgb_c_4, uint8_t)
+        int acc;
+#define DST1_4(i)					\
+	Y = py_1[2*i];				\
+	acc = r[Y] + g[Y] + b[Y];	\
+	Y = py_1[2*i+1];			\
+        acc |= (r[Y] + g[Y] + b[Y])<<4;\
+	dst_1[i] = acc; 
+
+#define DST2_4(i)					\
+	Y = py_2[2*i];				\
+	acc = r[Y] + g[Y] + b[Y];	\
+	Y = py_2[2*i+1];			\
+	acc |= (r[Y] + g[Y] + b[Y])<<4;\
+	dst_2[i] = acc; 
+	
+        RGB(0);
+	DST1_4(0);
+	DST2_4(0);
+
+	RGB(1);
+	DST2_4(1);
+	DST1_4(1);
+
+	RGB(2);
+	DST1_4(2);
+	DST2_4(2);
+
+	RGB(3);
+	DST2_4(3);
+	DST1_4(3);
+EPILOG(4)
+
+PROLOG(yuv2rgb_c_4_ordered_dither, uint8_t)
+	const uint8_t *d64= dither_8x8_73[y&7];
+	const uint8_t *d128=dither_8x8_220[y&7];
+        int acc;
+
+#define DST1bpp4(i,o)					\
+	Y = py_1[2*i];				\
+	acc = r[Y+d128[0+o]] + g[Y+d64[0+o]] + b[Y+d128[0+o]];	\
+	Y = py_1[2*i+1];			\
+	acc |= (r[Y+d128[1+o]] + g[Y+d64[1+o]] + b[Y+d128[1+o]])<<4;\
+        dst_1[i]= acc;
+
+#define DST2bpp4(i,o)					\
+	Y = py_2[2*i];				\
+	acc =  r[Y+d128[8+o]] + g[Y+d64[8+o]] + b[Y+d128[8+o]];	\
+	Y = py_2[2*i+1];			\
+	acc |=  (r[Y+d128[9+o]] + g[Y+d64[9+o]] + b[Y+d128[9+o]])<<4;\
+        dst_2[i]= acc;
+
+
+	RGB(0);
+	DST1bpp4(0,0);
+	DST2bpp4(0,0);
+
+	RGB(1);
+	DST2bpp4(1,2);
+	DST1bpp4(1,2);
+
+	RGB(2);
+	DST1bpp4(2,4);
+	DST2bpp4(2,4);
+
+	RGB(3);
+	DST2bpp4(3,6);
+	DST1bpp4(3,6);
+EPILOG(4)
+
+// This is exactly the same code as yuv2rgb_c_32 except for the types of
+// r, g, b, dst_1, dst_2
+PROLOG(yuv2rgb_c_4b, uint8_t)
+	RGB(0);
+	DST1(0);
+	DST2(0);
+
+	RGB(1);
+	DST2(1);
+	DST1(1);
+
+	RGB(2);
+	DST1(2);
+	DST2(2);
+
+	RGB(3);
+	DST2(3);
+	DST1(3);
+EPILOG(8)
+
+PROLOG(yuv2rgb_c_4b_ordered_dither, uint8_t)
+	const uint8_t *d64= dither_8x8_73[y&7];
+	const uint8_t *d128=dither_8x8_220[y&7];
+
+#define DST1bpp4b(i,o)					\
+	Y = py_1[2*i];				\
+	dst_1[2*i] = r[Y+d128[0+o]] + g[Y+d64[0+o]] + b[Y+d128[0+o]];	\
+	Y = py_1[2*i+1];			\
+	dst_1[2*i+1] = r[Y+d128[1+o]] + g[Y+d64[1+o]] + b[Y+d128[1+o]];
+
+#define DST2bpp4b(i,o)					\
+	Y = py_2[2*i];				\
+	dst_2[2*i] =  r[Y+d128[8+o]] + g[Y+d64[8+o]] + b[Y+d128[8+o]];	\
+	Y = py_2[2*i+1];			\
+	dst_2[2*i+1] =  r[Y+d128[9+o]] + g[Y+d64[9+o]] + b[Y+d128[9+o]];
+
+
+	RGB(0);
+	DST1bpp4b(0,0);
+	DST2bpp4b(0,0);
+
+	RGB(1);
+	DST2bpp4b(1,2);
+	DST1bpp4b(1,2);
+
+	RGB(2);
+	DST1bpp4b(2,4);
+	DST2bpp4b(2,4);
+
+	RGB(3);
+	DST2bpp4b(3,6);
+	DST1bpp4b(3,6);
+EPILOG(8)
+
+PROLOG(yuv2rgb_c_1_ordered_dither, uint8_t)
+	const uint8_t *d128=dither_8x8_220[y&7];
+	char out_1=0, out_2=0;
+	g= c->table_gU[128] + c->table_gV[128];
+
+#define DST1bpp1(i,o)					\
+	Y = py_1[2*i];				\
+	out_1+= out_1 + g[Y+d128[0+o]];	\
+	Y = py_1[2*i+1];			\
+	out_1+= out_1 + g[Y+d128[1+o]];
+
+#define DST2bpp1(i,o)					\
+	Y = py_2[2*i];				\
+	out_2+= out_2 + g[Y+d128[8+o]];	\
+	Y = py_2[2*i+1];			\
+	out_2+= out_2 + g[Y+d128[9+o]];
+
+	DST1bpp1(0,0);
+	DST2bpp1(0,0);
+
+	DST2bpp1(1,2);
+	DST1bpp1(1,2);
+
+	DST1bpp1(2,4);
+	DST2bpp1(2,4);
+
+	DST2bpp1(3,6);
+	DST1bpp1(3,6);
+	
+	dst_1[0]= out_1;
+	dst_2[0]= out_2;
+EPILOG(1)
+
+SwsFunc yuv2rgb_get_func_ptr (SwsContext *c)
+{
+#if defined(ARCH_X86) || defined(ARCH_X86_64)
+    if(c->flags & SWS_CPU_CAPS_MMX2){
+	switch(c->dstFormat){
+	case IMGFMT_BGR32: return yuv420_rgb32_MMX2;
+	case IMGFMT_BGR24: return yuv420_rgb24_MMX2;
+	case IMGFMT_BGR16: return yuv420_rgb16_MMX2;
+	case IMGFMT_BGR15: return yuv420_rgb15_MMX2;
+	}
+    }
+    if(c->flags & SWS_CPU_CAPS_MMX){
+	switch(c->dstFormat){
+	case IMGFMT_BGR32: return yuv420_rgb32_MMX;
+	case IMGFMT_BGR24: return yuv420_rgb24_MMX;
+	case IMGFMT_BGR16: return yuv420_rgb16_MMX;
+	case IMGFMT_BGR15: return yuv420_rgb15_MMX;
+	}
+    }
+#endif
+#ifdef HAVE_MLIB
+    {
+	SwsFunc t= yuv2rgb_init_mlib(c);
+	if(t) return t;
+    }
+#endif
+#ifdef HAVE_ALTIVEC
+    if (c->flags & SWS_CPU_CAPS_ALTIVEC)
+    {
+	SwsFunc t = yuv2rgb_init_altivec(c);
+	if(t) return t;
+    }
+#endif
+
+    MSG_WARN("No accelerated colorspace conversion found\n");
+
+    switch(c->dstFormat){
+    case IMGFMT_RGB32:
+    case IMGFMT_BGR32: return yuv2rgb_c_32;
+    case IMGFMT_RGB24: return yuv2rgb_c_24_rgb;
+    case IMGFMT_BGR24: return yuv2rgb_c_24_bgr;
+    case IMGFMT_RGB16:
+    case IMGFMT_BGR16:
+    case IMGFMT_RGB15:
+    case IMGFMT_BGR15: return yuv2rgb_c_16;
+    case IMGFMT_RGB8:
+    case IMGFMT_BGR8:  return yuv2rgb_c_8_ordered_dither;
+    case IMGFMT_RGB4:
+    case IMGFMT_BGR4:  return yuv2rgb_c_4_ordered_dither;
+    case IMGFMT_RG4B:
+    case IMGFMT_BG4B:  return yuv2rgb_c_4b_ordered_dither;
+    case IMGFMT_RGB1:
+    case IMGFMT_BGR1:  return yuv2rgb_c_1_ordered_dither;
+    default:
+    	assert(0);
+    }
+    return NULL;
+}
+
+static int div_round (int dividend, int divisor)
+{
+    if (dividend > 0)
+	return (dividend + (divisor>>1)) / divisor;
+    else
+	return -((-dividend + (divisor>>1)) / divisor);
+}
+
+int yuv2rgb_c_init_tables (SwsContext *c, const int inv_table[4], int fullRange, int brightness, int contrast, int saturation)
+{  
+    const int isRgb = IMGFMT_IS_BGR(c->dstFormat);
+    const int bpp = isRgb?IMGFMT_RGB_DEPTH(c->dstFormat):IMGFMT_BGR_DEPTH(c->dstFormat);
+    int i;
+    uint8_t table_Y[1024];
+    uint32_t *table_32 = 0;
+    uint16_t *table_16 = 0;
+    uint8_t *table_8 = 0;
+    uint8_t *table_332 = 0;
+    uint8_t *table_121 = 0;
+    uint8_t *table_1 = 0;
+    int entry_size = 0;
+    void *table_r = 0, *table_g = 0, *table_b = 0;
+    void *table_start;
+
+    int64_t crv =  inv_table[0];
+    int64_t cbu =  inv_table[1];
+    int64_t cgu = -inv_table[2];
+    int64_t cgv = -inv_table[3];
+    int64_t cy  = 1<<16;
+    int64_t oy  = 0;
+
+//printf("%lld %lld %lld %lld %lld\n", cy, crv, cbu, cgu, cgv);
+    if(!fullRange){
+	cy= (cy*255) / 219;
+	oy= 16<<16;
+    }
+	
+    cy = (cy *contrast             )>>16;
+    crv= (crv*contrast * saturation)>>32;
+    cbu= (cbu*contrast * saturation)>>32;
+    cgu= (cgu*contrast * saturation)>>32;
+    cgv= (cgv*contrast * saturation)>>32;
+//printf("%lld %lld %lld %lld %lld\n", cy, crv, cbu, cgu, cgv);
+    oy -= 256*brightness;
+
+    for (i = 0; i < 1024; i++) {
+	int j;
+
+	j= (cy*(((i - 384)<<16) - oy) + (1<<31))>>32;
+	j = (j < 0) ? 0 : ((j > 255) ? 255 : j);
+	table_Y[i] = j;
+    }
+
+    switch (bpp) {
+    case 32:
+	table_start= table_32 = malloc ((197 + 2*682 + 256 + 132) * sizeof (uint32_t));
+
+	entry_size = sizeof (uint32_t);
+	table_r = table_32 + 197;
+	table_b = table_32 + 197 + 685;
+	table_g = table_32 + 197 + 2*682;
+
+	for (i = -197; i < 256+197; i++)
+	    ((uint32_t *)table_r)[i] = table_Y[i+384] << (isRgb ? 16 : 0);
+	for (i = -132; i < 256+132; i++)
+	    ((uint32_t *)table_g)[i] = table_Y[i+384] << 8;
+	for (i = -232; i < 256+232; i++)
+	    ((uint32_t *)table_b)[i] = table_Y[i+384] << (isRgb ? 0 : 16);
+	break;
+
+    case 24:
+	table_start= table_8 = malloc ((256 + 2*232) * sizeof (uint8_t));
+
+	entry_size = sizeof (uint8_t);
+	table_r = table_g = table_b = table_8 + 232;
+
+	for (i = -232; i < 256+232; i++)
+	    ((uint8_t * )table_b)[i] = table_Y[i+384];
+	break;
+
+    case 15:
+    case 16:
+	table_start= table_16 = malloc ((197 + 2*682 + 256 + 132) * sizeof (uint16_t));
+
+	entry_size = sizeof (uint16_t);
+	table_r = table_16 + 197;
+	table_b = table_16 + 197 + 685;
+	table_g = table_16 + 197 + 2*682;
+
+	for (i = -197; i < 256+197; i++) {
+	    int j = table_Y[i+384] >> 3;
+
+	    if (isRgb)
+		j <<= ((bpp==16) ? 11 : 10);
+
+	    ((uint16_t *)table_r)[i] = j;
+	}
+	for (i = -132; i < 256+132; i++) {
+	    int j = table_Y[i+384] >> ((bpp==16) ? 2 : 3);
+
+	    ((uint16_t *)table_g)[i] = j << 5;
+	}
+	for (i = -232; i < 256+232; i++) {
+	    int j = table_Y[i+384] >> 3;
+
+	    if (!isRgb)
+		j <<= ((bpp==16) ? 11 : 10);
+
+	    ((uint16_t *)table_b)[i] = j;
+	}
+	break;
+
+    case 8:
+	table_start= table_332 = malloc ((197 + 2*682 + 256 + 132) * sizeof (uint8_t));
+
+	entry_size = sizeof (uint8_t);
+	table_r = table_332 + 197;
+	table_b = table_332 + 197 + 685;
+	table_g = table_332 + 197 + 2*682;
+
+	for (i = -197; i < 256+197; i++) {
+	    int j = (table_Y[i+384 - 16] + 18)/36;
+
+	    if (isRgb)
+		j <<= 5;
+
+	    ((uint8_t *)table_r)[i] = j;
+	}
+	for (i = -132; i < 256+132; i++) {
+	    int j = (table_Y[i+384 - 16] + 18)/36;
+
+	    if (!isRgb)
+		j <<= 1;
+
+	    ((uint8_t *)table_g)[i] = j << 2;
+	}
+	for (i = -232; i < 256+232; i++) {
+	    int j = (table_Y[i+384 - 37] + 43)/85;
+
+	    if (!isRgb)
+		j <<= 6;
+
+	    ((uint8_t *)table_b)[i] = j;
+	}
+	break;
+    case 4:
+    case 4|128:
+	table_start= table_121 = malloc ((197 + 2*682 + 256 + 132) * sizeof (uint8_t));
+
+	entry_size = sizeof (uint8_t);
+	table_r = table_121 + 197;
+	table_b = table_121 + 197 + 685;
+	table_g = table_121 + 197 + 2*682;
+
+	for (i = -197; i < 256+197; i++) {
+	    int j = table_Y[i+384 - 110] >> 7;
+
+	    if (isRgb)
+		j <<= 3;
+
+	    ((uint8_t *)table_r)[i] = j;
+	}
+	for (i = -132; i < 256+132; i++) {
+	    int j = (table_Y[i+384 - 37]+ 43)/85;
+
+	    ((uint8_t *)table_g)[i] = j << 1;
+	}
+	for (i = -232; i < 256+232; i++) {
+	    int j =table_Y[i+384 - 110] >> 7;
+
+	    if (!isRgb)
+		j <<= 3;
+
+	    ((uint8_t *)table_b)[i] = j;
+	}
+	break;
+
+    case 1:
+	table_start= table_1 = malloc (256*2 * sizeof (uint8_t));
+
+	entry_size = sizeof (uint8_t);
+	table_g = table_1;
+	table_r = table_b = NULL;
+
+	for (i = 0; i < 256+256; i++) {
+	    int j = table_Y[i + 384 - 110]>>7;
+
+	    ((uint8_t *)table_g)[i] = j;
+	}
+	break;
+
+    default:
+	table_start= NULL;
+	MSG_ERR("%ibpp not supported by yuv2rgb\n", bpp);
+	//free mem?
+	return -1;
+    }
+
+    for (i = 0; i < 256; i++) {
+	c->table_rV[i] = table_r + entry_size * div_round (crv * (i-128), 76309);
+	c->table_gU[i] = table_g + entry_size * div_round (cgu * (i-128), 76309);
+	c->table_gV[i] = entry_size * div_round (cgv * (i-128), 76309);
+	c->table_bU[i] = table_b + entry_size * div_round (cbu * (i-128), 76309);
+    }
+
+    if(c->yuvTable) free(c->yuvTable);
+    c->yuvTable= table_start;
+    return 0;
+}