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Diffstat (limited to 'contrib/ffmpeg/libswscale/yuv2rgb.c')
-rw-r--r--contrib/ffmpeg/libswscale/yuv2rgb.c851
1 files changed, 0 insertions, 851 deletions
diff --git a/contrib/ffmpeg/libswscale/yuv2rgb.c b/contrib/ffmpeg/libswscale/yuv2rgb.c
deleted file mode 100644
index af7f86f40..000000000
--- a/contrib/ffmpeg/libswscale/yuv2rgb.c
+++ /dev/null
@@ -1,851 +0,0 @@
-/*
- * 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 mpeg2dec; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 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 "rgb2rgb.h"
-#include "swscale.h"
-#include "swscale_internal.h"
-
-#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
-
-#ifdef HAVE_MMX
-
-/* hope these constant values are cache line aligned */
-static uint64_t attribute_used __attribute__((aligned(8))) mmx_00ffw = 0x00ff00ff00ff00ffULL;
-static uint64_t attribute_used __attribute__((aligned(8))) mmx_redmask = 0xf8f8f8f8f8f8f8f8ULL;
-static uint64_t attribute_used __attribute__((aligned(8))) mmx_grnmask = 0xfcfcfcfcfcfcfcfcULL;
-
-static uint64_t attribute_used __attribute__((aligned(8))) M24A= 0x00FF0000FF0000FFULL;
-static uint64_t attribute_used __attribute__((aligned(8))) M24B= 0xFF0000FF0000FF00ULL;
-static 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
-static volatile uint64_t attribute_used __attribute__((aligned(8))) b5Dither;
-static volatile uint64_t attribute_used __attribute__((aligned(8))) g5Dither;
-static volatile uint64_t attribute_used __attribute__((aligned(8))) g6Dither;
-static volatile uint64_t attribute_used __attribute__((aligned(8))) r5Dither;
-
-static uint64_t __attribute__((aligned(8))) dither4[2]={
- 0x0103010301030103LL,
- 0x0200020002000200LL,};
-
-static 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 /* defined(ARCH_X86) */
-
-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 = (void *)c->table_rV[V]; \
- g = (void *)(c->table_gU[U] + c->table_gV[V]); \
- b = (void *)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 == PIX_FMT_YUV422P){\
- 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 attribute_unused *r, *b;\
- dst_type *g;\
- 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 attribute_unused U, V;\
- int 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(HAVE_MMX2) || defined(HAVE_MMX)
- if(c->flags & SWS_CPU_CAPS_MMX2){
- switch(c->dstFormat){
- case PIX_FMT_RGB32: return yuv420_rgb32_MMX2;
- case PIX_FMT_BGR24: return yuv420_rgb24_MMX2;
- case PIX_FMT_BGR565: return yuv420_rgb16_MMX2;
- case PIX_FMT_BGR555: return yuv420_rgb15_MMX2;
- }
- }
- if(c->flags & SWS_CPU_CAPS_MMX){
- switch(c->dstFormat){
- case PIX_FMT_RGB32: return yuv420_rgb32_MMX;
- case PIX_FMT_BGR24: return yuv420_rgb24_MMX;
- case PIX_FMT_BGR565: return yuv420_rgb16_MMX;
- case PIX_FMT_BGR555: 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
-
- av_log(c, AV_LOG_WARNING, "No accelerated colorspace conversion found\n");
-
- switch(c->dstFormat){
- case PIX_FMT_BGR32:
- case PIX_FMT_RGB32: return 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:
- case PIX_FMT_BGR565:
- case PIX_FMT_RGB555:
- case PIX_FMT_BGR555: return yuv2rgb_c_16;
- case PIX_FMT_RGB8:
- case PIX_FMT_BGR8: return yuv2rgb_c_8_ordered_dither;
- case PIX_FMT_RGB4:
- case PIX_FMT_BGR4: return yuv2rgb_c_4_ordered_dither;
- case PIX_FMT_RGB4_BYTE:
- case PIX_FMT_BGR4_BYTE: return yuv2rgb_c_4b_ordered_dither;
- case PIX_FMT_MONOBLACK: 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 = isBGR(c->dstFormat);
- const int bpp = fmt_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;
- }else{
- crv= (crv*224) / 255;
- cbu= (cbu*224) / 255;
- cgu= (cgu*224) / 255;
- cgv= (cgv*224) / 255;
- }
-
- 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 = av_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 = av_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 = av_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 = av_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 = av_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 = av_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;
- av_log(c, AV_LOG_ERROR, "%ibpp not supported by yuv2rgb\n", bpp);
- //free mem?
- return -1;
- }
-
- for (i = 0; i < 256; i++) {
- c->table_rV[i] = (uint8_t *)table_r + entry_size * div_round (crv * (i-128), 76309);
- c->table_gU[i] = (uint8_t *)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] = (uint8_t *)table_b + entry_size * div_round (cbu * (i-128), 76309);
- }
-
- av_free(c->yuvTable);
- c->yuvTable= table_start;
- return 0;
-}
generated by cgit v1.2.3 (git 2.25.1) at 2025-04-25 09:09:05 +0000