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Diffstat (limited to 'libswscale/swscale.c')
| -rw-r--r-- | libswscale/swscale.c | 3198 |
1 files changed, 0 insertions, 3198 deletions
diff --git a/libswscale/swscale.c b/libswscale/swscale.c deleted file mode 100644 index 7c335f1680..0000000000 --- a/libswscale/swscale.c +++ /dev/null @@ -1,3198 +0,0 @@ -/* - * Copyright (C) 2001-2003 Michael Niedermayer <michaelni@gmx.at> - * - * This file is part of FFmpeg. - * - * FFmpeg 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 of the License, or - * (at your option) any later version. - * - * FFmpeg 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 FFmpeg; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - * - * the C code (not assembly, mmx, ...) of this file can be used - * under the LGPL license too - */ - -/* - supported Input formats: YV12, I420/IYUV, YUY2, UYVY, BGR32, BGR32_1, BGR24, BGR16, BGR15, RGB32, RGB32_1, RGB24, Y8/Y800, YVU9/IF09, PAL8 - supported output formats: YV12, I420/IYUV, YUY2, UYVY, {BGR,RGB}{1,4,8,15,16,24,32}, Y8/Y800, YVU9/IF09 - {BGR,RGB}{1,4,8,15,16} support dithering - - unscaled special converters (YV12=I420=IYUV, Y800=Y8) - YV12 -> {BGR,RGB}{1,4,8,15,16,24,32} - x -> x - YUV9 -> YV12 - YUV9/YV12 -> Y800 - Y800 -> YUV9/YV12 - BGR24 -> BGR32 & RGB24 -> RGB32 - BGR32 -> BGR24 & RGB32 -> RGB24 - BGR15 -> BGR16 -*/ - -/* -tested special converters (most are tested actually, but I did not write it down ...) - YV12 -> BGR16 - YV12 -> YV12 - BGR15 -> BGR16 - BGR16 -> BGR16 - YVU9 -> YV12 - -untested special converters - YV12/I420 -> BGR15/BGR24/BGR32 (it is the yuv2rgb stuff, so it should be OK) - YV12/I420 -> YV12/I420 - YUY2/BGR15/BGR24/BGR32/RGB24/RGB32 -> same format - BGR24 -> BGR32 & RGB24 -> RGB32 - BGR32 -> BGR24 & RGB32 -> RGB24 - BGR24 -> YV12 -*/ - -#define _SVID_SOURCE //needed for MAP_ANONYMOUS -#include <inttypes.h> -#include <string.h> -#include <math.h> -#include <stdio.h> -#include <unistd.h> -#include "config.h" -#include <assert.h> -#if HAVE_SYS_MMAN_H -#include <sys/mman.h> -#if defined(MAP_ANON) && !defined(MAP_ANONYMOUS) -#define MAP_ANONYMOUS MAP_ANON -#endif -#endif -#include "swscale.h" -#include "swscale_internal.h" -#include "rgb2rgb.h" -#include "libavutil/x86_cpu.h" -#include "libavutil/bswap.h" - -unsigned swscale_version(void) -{ - return LIBSWSCALE_VERSION_INT; -} - -#undef MOVNTQ -#undef PAVGB - -//#undef HAVE_MMX2 -//#define HAVE_AMD3DNOW -//#undef HAVE_MMX -//#undef ARCH_X86 -//#define WORDS_BIGENDIAN -#define DITHER1XBPP - -#define FAST_BGR2YV12 // use 7 bit coefficients instead of 15 bit - -#define RET 0xC3 //near return opcode for x86 - -#ifdef M_PI -#define PI M_PI -#else -#define PI 3.14159265358979323846 -#endif - -#define isSupportedIn(x) ( \ - (x)==PIX_FMT_YUV420P \ - || (x)==PIX_FMT_YUVA420P \ - || (x)==PIX_FMT_YUYV422 \ - || (x)==PIX_FMT_UYVY422 \ - || (x)==PIX_FMT_RGB32 \ - || (x)==PIX_FMT_RGB32_1 \ - || (x)==PIX_FMT_BGR24 \ - || (x)==PIX_FMT_BGR565 \ - || (x)==PIX_FMT_BGR555 \ - || (x)==PIX_FMT_BGR32 \ - || (x)==PIX_FMT_BGR32_1 \ - || (x)==PIX_FMT_RGB24 \ - || (x)==PIX_FMT_RGB565 \ - || (x)==PIX_FMT_RGB555 \ - || (x)==PIX_FMT_GRAY8 \ - || (x)==PIX_FMT_YUV410P \ - || (x)==PIX_FMT_YUV440P \ - || (x)==PIX_FMT_GRAY16BE \ - || (x)==PIX_FMT_GRAY16LE \ - || (x)==PIX_FMT_YUV444P \ - || (x)==PIX_FMT_YUV422P \ - || (x)==PIX_FMT_YUV411P \ - || (x)==PIX_FMT_PAL8 \ - || (x)==PIX_FMT_BGR8 \ - || (x)==PIX_FMT_RGB8 \ - || (x)==PIX_FMT_BGR4_BYTE \ - || (x)==PIX_FMT_RGB4_BYTE \ - || (x)==PIX_FMT_YUV440P \ - || (x)==PIX_FMT_MONOWHITE \ - || (x)==PIX_FMT_MONOBLACK \ - ) -#define isSupportedOut(x) ( \ - (x)==PIX_FMT_YUV420P \ - || (x)==PIX_FMT_YUYV422 \ - || (x)==PIX_FMT_UYVY422 \ - || (x)==PIX_FMT_YUV444P \ - || (x)==PIX_FMT_YUV422P \ - || (x)==PIX_FMT_YUV411P \ - || isRGB(x) \ - || isBGR(x) \ - || (x)==PIX_FMT_NV12 \ - || (x)==PIX_FMT_NV21 \ - || (x)==PIX_FMT_GRAY16BE \ - || (x)==PIX_FMT_GRAY16LE \ - || (x)==PIX_FMT_GRAY8 \ - || (x)==PIX_FMT_YUV410P \ - || (x)==PIX_FMT_YUV440P \ - ) -#define isPacked(x) ( \ - (x)==PIX_FMT_PAL8 \ - || (x)==PIX_FMT_YUYV422 \ - || (x)==PIX_FMT_UYVY422 \ - || isRGB(x) \ - || isBGR(x) \ - ) -#define usePal(x) ( \ - (x)==PIX_FMT_PAL8 \ - || (x)==PIX_FMT_BGR4_BYTE \ - || (x)==PIX_FMT_RGB4_BYTE \ - || (x)==PIX_FMT_BGR8 \ - || (x)==PIX_FMT_RGB8 \ - ) - -#define RGB2YUV_SHIFT 15 -#define BY ( (int)(0.114*219/255*(1<<RGB2YUV_SHIFT)+0.5)) -#define BV (-(int)(0.081*224/255*(1<<RGB2YUV_SHIFT)+0.5)) -#define BU ( (int)(0.500*224/255*(1<<RGB2YUV_SHIFT)+0.5)) -#define GY ( (int)(0.587*219/255*(1<<RGB2YUV_SHIFT)+0.5)) -#define GV (-(int)(0.419*224/255*(1<<RGB2YUV_SHIFT)+0.5)) -#define GU (-(int)(0.331*224/255*(1<<RGB2YUV_SHIFT)+0.5)) -#define RY ( (int)(0.299*219/255*(1<<RGB2YUV_SHIFT)+0.5)) -#define RV ( (int)(0.500*224/255*(1<<RGB2YUV_SHIFT)+0.5)) -#define RU (-(int)(0.169*224/255*(1<<RGB2YUV_SHIFT)+0.5)) - -extern const int32_t ff_yuv2rgb_coeffs[8][4]; - -static const double rgb2yuv_table[8][9]={ - {0.7152, 0.0722, 0.2126, -0.386, 0.5, -0.115, -0.454, -0.046, 0.5}, - {0.7152, 0.0722, 0.2126, -0.386, 0.5, -0.115, -0.454, -0.046, 0.5}, - {0.587 , 0.114 , 0.299 , -0.331, 0.5, -0.169, -0.419, -0.081, 0.5}, - {0.587 , 0.114 , 0.299 , -0.331, 0.5, -0.169, -0.419, -0.081, 0.5}, - {0.59 , 0.11 , 0.30 , -0.331, 0.5, -0.169, -0.421, -0.079, 0.5}, //FCC - {0.587 , 0.114 , 0.299 , -0.331, 0.5, -0.169, -0.419, -0.081, 0.5}, - {0.587 , 0.114 , 0.299 , -0.331, 0.5, -0.169, -0.419, -0.081, 0.5}, //SMPTE 170M - {0.701 , 0.087 , 0.212 , -0.384, 0.5 -0.116, -0.445, -0.055, 0.5}, //SMPTE 240M -}; - -/* -NOTES -Special versions: fast Y 1:1 scaling (no interpolation in y direction) - -TODO -more intelligent misalignment avoidance for the horizontal scaler -write special vertical cubic upscale version -optimize C code (YV12 / minmax) -add support for packed pixel YUV input & output -add support for Y8 output -optimize BGR24 & BGR32 -add BGR4 output support -write special BGR->BGR scaler -*/ - -#if ARCH_X86 && CONFIG_GPL -DECLARE_ASM_CONST(8, uint64_t, bF8)= 0xF8F8F8F8F8F8F8F8LL; -DECLARE_ASM_CONST(8, uint64_t, bFC)= 0xFCFCFCFCFCFCFCFCLL; -DECLARE_ASM_CONST(8, uint64_t, w10)= 0x0010001000100010LL; -DECLARE_ASM_CONST(8, uint64_t, w02)= 0x0002000200020002LL; -DECLARE_ASM_CONST(8, uint64_t, bm00001111)=0x00000000FFFFFFFFLL; -DECLARE_ASM_CONST(8, uint64_t, bm00000111)=0x0000000000FFFFFFLL; -DECLARE_ASM_CONST(8, uint64_t, bm11111000)=0xFFFFFFFFFF000000LL; -DECLARE_ASM_CONST(8, uint64_t, bm01010101)=0x00FF00FF00FF00FFLL; - -const DECLARE_ALIGNED(8, uint64_t, ff_dither4[2]) = { - 0x0103010301030103LL, - 0x0200020002000200LL,}; - -const DECLARE_ALIGNED(8, uint64_t, ff_dither8[2]) = { - 0x0602060206020602LL, - 0x0004000400040004LL,}; - -DECLARE_ASM_CONST(8, uint64_t, b16Mask)= 0x001F001F001F001FLL; -DECLARE_ASM_CONST(8, uint64_t, g16Mask)= 0x07E007E007E007E0LL; -DECLARE_ASM_CONST(8, uint64_t, r16Mask)= 0xF800F800F800F800LL; -DECLARE_ASM_CONST(8, uint64_t, b15Mask)= 0x001F001F001F001FLL; -DECLARE_ASM_CONST(8, uint64_t, g15Mask)= 0x03E003E003E003E0LL; -DECLARE_ASM_CONST(8, uint64_t, r15Mask)= 0x7C007C007C007C00LL; - -DECLARE_ALIGNED(8, const uint64_t, ff_M24A) = 0x00FF0000FF0000FFLL; -DECLARE_ALIGNED(8, const uint64_t, ff_M24B) = 0xFF0000FF0000FF00LL; -DECLARE_ALIGNED(8, const uint64_t, ff_M24C) = 0x0000FF0000FF0000LL; - -#ifdef FAST_BGR2YV12 -DECLARE_ALIGNED(8, const uint64_t, ff_bgr2YCoeff) = 0x000000210041000DULL; -DECLARE_ALIGNED(8, const uint64_t, ff_bgr2UCoeff) = 0x0000FFEEFFDC0038ULL; -DECLARE_ALIGNED(8, const uint64_t, ff_bgr2VCoeff) = 0x00000038FFD2FFF8ULL; -#else -DECLARE_ALIGNED(8, const uint64_t, ff_bgr2YCoeff) = 0x000020E540830C8BULL; -DECLARE_ALIGNED(8, const uint64_t, ff_bgr2UCoeff) = 0x0000ED0FDAC23831ULL; -DECLARE_ALIGNED(8, const uint64_t, ff_bgr2VCoeff) = 0x00003831D0E6F6EAULL; -#endif /* FAST_BGR2YV12 */ -DECLARE_ALIGNED(8, const uint64_t, ff_bgr2YOffset) = 0x1010101010101010ULL; -DECLARE_ALIGNED(8, const uint64_t, ff_bgr2UVOffset) = 0x8080808080808080ULL; -DECLARE_ALIGNED(8, const uint64_t, ff_w1111) = 0x0001000100010001ULL; - -DECLARE_ASM_CONST(8, uint64_t, ff_bgr24toY1Coeff) = 0x0C88000040870C88ULL; -DECLARE_ASM_CONST(8, uint64_t, ff_bgr24toY2Coeff) = 0x20DE4087000020DEULL; -DECLARE_ASM_CONST(8, uint64_t, ff_rgb24toY1Coeff) = 0x20DE0000408720DEULL; -DECLARE_ASM_CONST(8, uint64_t, ff_rgb24toY2Coeff) = 0x0C88408700000C88ULL; -DECLARE_ASM_CONST(8, uint64_t, ff_bgr24toYOffset) = 0x0008400000084000ULL; - -DECLARE_ASM_CONST(8, uint64_t, ff_bgr24toUV[2][4]) = { - {0x38380000DAC83838ULL, 0xECFFDAC80000ECFFULL, 0xF6E40000D0E3F6E4ULL, 0x3838D0E300003838ULL}, - {0xECFF0000DAC8ECFFULL, 0x3838DAC800003838ULL, 0x38380000D0E33838ULL, 0xF6E4D0E30000F6E4ULL}, -}; - -DECLARE_ASM_CONST(8, uint64_t, ff_bgr24toUVOffset)= 0x0040400000404000ULL; - -#endif /* ARCH_X86 && CONFIG_GPL */ - -// clipping helper table for C implementations: -static unsigned char clip_table[768]; - -static SwsVector *sws_getConvVec(SwsVector *a, SwsVector *b); - -static 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, }, -}; - -static 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 - -const char *sws_format_name(enum PixelFormat format) -{ - switch (format) { - case PIX_FMT_YUV420P: - return "yuv420p"; - case PIX_FMT_YUVA420P: - return "yuva420p"; - case PIX_FMT_YUYV422: - return "yuyv422"; - case PIX_FMT_RGB24: - return "rgb24"; - case PIX_FMT_BGR24: - return "bgr24"; - case PIX_FMT_YUV422P: - return "yuv422p"; - case PIX_FMT_YUV444P: - return "yuv444p"; - case PIX_FMT_RGB32: - return "rgb32"; - case PIX_FMT_YUV410P: - return "yuv410p"; - case PIX_FMT_YUV411P: - return "yuv411p"; - case PIX_FMT_RGB565: - return "rgb565"; - case PIX_FMT_RGB555: - return "rgb555"; - case PIX_FMT_GRAY16BE: - return "gray16be"; - case PIX_FMT_GRAY16LE: - return "gray16le"; - case PIX_FMT_GRAY8: - return "gray8"; - case PIX_FMT_MONOWHITE: - return "mono white"; - case PIX_FMT_MONOBLACK: - return "mono black"; - case PIX_FMT_PAL8: - return "Palette"; - case PIX_FMT_YUVJ420P: - return "yuvj420p"; - case PIX_FMT_YUVJ422P: - return "yuvj422p"; - case PIX_FMT_YUVJ444P: - return "yuvj444p"; - case PIX_FMT_XVMC_MPEG2_MC: - return "xvmc_mpeg2_mc"; - case PIX_FMT_XVMC_MPEG2_IDCT: - return "xvmc_mpeg2_idct"; - case PIX_FMT_UYVY422: - return "uyvy422"; - case PIX_FMT_UYYVYY411: - return "uyyvyy411"; - case PIX_FMT_RGB32_1: - return "rgb32x"; - case PIX_FMT_BGR32_1: - return "bgr32x"; - case PIX_FMT_BGR32: - return "bgr32"; - case PIX_FMT_BGR565: - return "bgr565"; - case PIX_FMT_BGR555: - return "bgr555"; - case PIX_FMT_BGR8: - return "bgr8"; - case PIX_FMT_BGR4: - return "bgr4"; - case PIX_FMT_BGR4_BYTE: - return "bgr4 byte"; - case PIX_FMT_RGB8: - return "rgb8"; - case PIX_FMT_RGB4: - return "rgb4"; - case PIX_FMT_RGB4_BYTE: - return "rgb4 byte"; - case PIX_FMT_NV12: - return "nv12"; - case PIX_FMT_NV21: - return "nv21"; - case PIX_FMT_YUV440P: - return "yuv440p"; - case PIX_FMT_VDPAU_H264: - return "vdpau_h264"; - case PIX_FMT_VDPAU_MPEG1: - return "vdpau_mpeg1"; - case PIX_FMT_VDPAU_MPEG2: - return "vdpau_mpeg2"; - case PIX_FMT_VDPAU_WMV3: - return "vdpau_wmv3"; - case PIX_FMT_VDPAU_VC1: - return "vdpau_vc1"; - default: - return "Unknown format"; - } -} - -static inline void yuv2yuvXinC(int16_t *lumFilter, int16_t **lumSrc, int lumFilterSize, - int16_t *chrFilter, int16_t **chrSrc, int chrFilterSize, - uint8_t *dest, uint8_t *uDest, uint8_t *vDest, int dstW, int chrDstW) -{ - //FIXME Optimize (just quickly written not optimized..) - int i; - for (i=0; i<dstW; i++) - { - int val=1<<18; - int j; - for (j=0; j<lumFilterSize; j++) - val += lumSrc[j][i] * lumFilter[j]; - - dest[i]= av_clip_uint8(val>>19); - } - - if (uDest) - for (i=0; i<chrDstW; i++) - { - int u=1<<18; - int v=1<<18; - int j; - for (j=0; j<chrFilterSize; j++) - { - u += chrSrc[j][i] * chrFilter[j]; - v += chrSrc[j][i + VOFW] * chrFilter[j]; - } - - uDest[i]= av_clip_uint8(u>>19); - vDest[i]= av_clip_uint8(v>>19); - } -} - -static inline void yuv2nv12XinC(int16_t *lumFilter, int16_t **lumSrc, int lumFilterSize, - int16_t *chrFilter, int16_t **chrSrc, int chrFilterSize, - uint8_t *dest, uint8_t *uDest, int dstW, int chrDstW, int dstFormat) -{ - //FIXME Optimize (just quickly written not optimized..) - int i; - for (i=0; i<dstW; i++) - { - int val=1<<18; - int j; - for (j=0; j<lumFilterSize; j++) - val += lumSrc[j][i] * lumFilter[j]; - - dest[i]= av_clip_uint8(val>>19); - } - - if (!uDest) - return; - - if (dstFormat == PIX_FMT_NV12) - for (i=0; i<chrDstW; i++) - { - int u=1<<18; - int v=1<<18; - int j; - for (j=0; j<chrFilterSize; j++) - { - u += chrSrc[j][i] * chrFilter[j]; - v += chrSrc[j][i + VOFW] * chrFilter[j]; - } - - uDest[2*i]= av_clip_uint8(u>>19); - uDest[2*i+1]= av_clip_uint8(v>>19); - } - else - for (i=0; i<chrDstW; i++) - { - int u=1<<18; - int v=1<<18; - int j; - for (j=0; j<chrFilterSize; j++) - { - u += chrSrc[j][i] * chrFilter[j]; - v += chrSrc[j][i + VOFW] * chrFilter[j]; - } - - uDest[2*i]= av_clip_uint8(v>>19); - uDest[2*i+1]= av_clip_uint8(u>>19); - } -} - -#define YSCALE_YUV_2_PACKEDX_NOCLIP_C(type) \ - for (i=0; i<(dstW>>1); i++){\ - int j;\ - int Y1 = 1<<18;\ - int Y2 = 1<<18;\ - int U = 1<<18;\ - int V = 1<<18;\ - type av_unused *r, *b, *g;\ - const int i2= 2*i;\ - \ - for (j=0; j<lumFilterSize; j++)\ - {\ - Y1 += lumSrc[j][i2] * lumFilter[j];\ - Y2 += lumSrc[j][i2+1] * lumFilter[j];\ - }\ - for (j=0; j<chrFilterSize; j++)\ - {\ - U += chrSrc[j][i] * chrFilter[j];\ - V += chrSrc[j][i+VOFW] * chrFilter[j];\ - }\ - Y1>>=19;\ - Y2>>=19;\ - U >>=19;\ - V >>=19;\ - -#define YSCALE_YUV_2_PACKEDX_C(type) \ - YSCALE_YUV_2_PACKEDX_NOCLIP_C(type)\ - if ((Y1|Y2|U|V)&256)\ - {\ - if (Y1>255) Y1=255; \ - else if (Y1<0)Y1=0; \ - if (Y2>255) Y2=255; \ - else if (Y2<0)Y2=0; \ - if (U>255) U=255; \ - else if (U<0) U=0; \ - if (V>255) V=255; \ - else if (V<0) V=0; \ - } - -#define YSCALE_YUV_2_PACKEDX_FULL_C \ - for (i=0; i<dstW; i++){\ - int j;\ - int Y = 0;\ - int U = -128<<19;\ - int V = -128<<19;\ - int R,G,B;\ - \ - for (j=0; j<lumFilterSize; j++){\ - Y += lumSrc[j][i ] * lumFilter[j];\ - }\ - for (j=0; j<chrFilterSize; j++){\ - U += chrSrc[j][i ] * chrFilter[j];\ - V += chrSrc[j][i+VOFW] * chrFilter[j];\ - }\ - Y >>=10;\ - U >>=10;\ - V >>=10;\ - -#define YSCALE_YUV_2_RGBX_FULL_C(rnd) \ - YSCALE_YUV_2_PACKEDX_FULL_C\ - 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)){\ - if (R>=(256<<22)) R=(256<<22)-1; \ - else if (R<0)R=0; \ - if (G>=(256<<22)) G=(256<<22)-1; \ - else if (G<0)G=0; \ - if (B>=(256<<22)) B=(256<<22)-1; \ - else if (B<0)B=0; \ - }\ - - -#define YSCALE_YUV_2_GRAY16_C \ - for (i=0; i<(dstW>>1); i++){\ - int j;\ - int Y1 = 1<<18;\ - int Y2 = 1<<18;\ - int U = 1<<18;\ - int V = 1<<18;\ - \ - const int i2= 2*i;\ - \ - for (j=0; j<lumFilterSize; j++)\ - {\ - Y1 += lumSrc[j][i2] * lumFilter[j];\ - Y2 += lumSrc[j][i2+1] * lumFilter[j];\ - }\ - Y1>>=11;\ - Y2>>=11;\ - if ((Y1|Y2|U|V)&65536)\ - {\ - if (Y1>65535) Y1=65535; \ - else if (Y1<0)Y1=0; \ - if (Y2>65535) Y2=65535; \ - else if (Y2<0)Y2=0; \ - } - -#define YSCALE_YUV_2_RGBX_C(type) \ - YSCALE_YUV_2_PACKEDX_C(type) /* FIXME fix tables so that clipping is not needed and then use _NOCLIP*/\ - r = (type *)c->table_rV[V]; \ - g = (type *)(c->table_gU[U] + c->table_gV[V]); \ - b = (type *)c->table_bU[U]; \ - -#define YSCALE_YUV_2_PACKED2_C \ - for (i=0; i<(dstW>>1); i++){ \ - const int i2= 2*i; \ - int Y1= (buf0[i2 ]*yalpha1+buf1[i2 ]*yalpha)>>19; \ - int Y2= (buf0[i2+1]*yalpha1+buf1[i2+1]*yalpha)>>19; \ - int U= (uvbuf0[i ]*uvalpha1+uvbuf1[i ]*uvalpha)>>19; \ - int V= (uvbuf0[i+VOFW]*uvalpha1+uvbuf1[i+VOFW]*uvalpha)>>19; \ - -#define YSCALE_YUV_2_GRAY16_2_C \ - for (i=0; i<(dstW>>1); i++){ \ - const int i2= 2*i; \ - int Y1= (buf0[i2 ]*yalpha1+buf1[i2 ]*yalpha)>>11; \ - int Y2= (buf0[i2+1]*yalpha1+buf1[i2+1]*yalpha)>>11; \ - -#define YSCALE_YUV_2_RGB2_C(type) \ - YSCALE_YUV_2_PACKED2_C\ - type *r, *b, *g;\ - r = (type *)c->table_rV[V];\ - g = (type *)(c->table_gU[U] + c->table_gV[V]);\ - b = (type *)c->table_bU[U];\ - -#define YSCALE_YUV_2_PACKED1_C \ - for (i=0; i<(dstW>>1); i++){\ - const int i2= 2*i;\ - int Y1= buf0[i2 ]>>7;\ - int Y2= buf0[i2+1]>>7;\ - int U= (uvbuf1[i ])>>7;\ - int V= (uvbuf1[i+VOFW])>>7;\ - -#define YSCALE_YUV_2_GRAY16_1_C \ - for (i=0; i<(dstW>>1); i++){\ - const int i2= 2*i;\ - int Y1= buf0[i2 ]<<1;\ - int Y2= buf0[i2+1]<<1;\ - -#define YSCALE_YUV_2_RGB1_C(type) \ - YSCALE_YUV_2_PACKED1_C\ - type *r, *b, *g;\ - r = (type *)c->table_rV[V];\ - g = (type *)(c->table_gU[U] + c->table_gV[V]);\ - b = (type *)c->table_bU[U];\ - -#define YSCALE_YUV_2_PACKED1B_C \ - for (i=0; i<(dstW>>1); i++){\ - const int i2= 2*i;\ - int Y1= buf0[i2 ]>>7;\ - int Y2= buf0[i2+1]>>7;\ - int U= (uvbuf0[i ] + uvbuf1[i ])>>8;\ - int V= (uvbuf0[i+VOFW] + uvbuf1[i+VOFW])>>8;\ - -#define YSCALE_YUV_2_RGB1B_C(type) \ - YSCALE_YUV_2_PACKED1B_C\ - type *r, *b, *g;\ - r = (type *)c->table_rV[V];\ - g = (type *)(c->table_gU[U] + c->table_gV[V]);\ - b = (type *)c->table_bU[U];\ - -#define YSCALE_YUV_2_MONO2_C \ - const uint8_t * const d128=dither_8x8_220[y&7];\ - uint8_t *g= c->table_gU[128] + c->table_gV[128];\ - for (i=0; i<dstW-7; i+=8){\ - int acc;\ - acc = g[((buf0[i ]*yalpha1+buf1[i ]*yalpha)>>19) + d128[0]];\ - acc+= acc + g[((buf0[i+1]*yalpha1+buf1[i+1]*yalpha)>>19) + d128[1]];\ - acc+= acc + g[((buf0[i+2]*yalpha1+buf1[i+2]*yalpha)>>19) + d128[2]];\ - acc+= acc + g[((buf0[i+3]*yalpha1+buf1[i+3]*yalpha)>>19) + d128[3]];\ - acc+= acc + g[((buf0[i+4]*yalpha1+buf1[i+4]*yalpha)>>19) + d128[4]];\ - acc+= acc + g[((buf0[i+5]*yalpha1+buf1[i+5]*yalpha)>>19) + d128[5]];\ - acc+= acc + g[((buf0[i+6]*yalpha1+buf1[i+6]*yalpha)>>19) + d128[6]];\ - acc+= acc + g[((buf0[i+7]*yalpha1+buf1[i+7]*yalpha)>>19) + d128[7]];\ - ((uint8_t*)dest)[0]= c->dstFormat == PIX_FMT_MONOBLACK ? acc : ~acc;\ - dest++;\ - }\ - - -#define YSCALE_YUV_2_MONOX_C \ - const uint8_t * const d128=dither_8x8_220[y&7];\ - uint8_t *g= c->table_gU[128] + c->table_gV[128];\ - int acc=0;\ - for (i=0; i<dstW-1; i+=2){\ - int j;\ - int Y1=1<<18;\ - int Y2=1<<18;\ -\ - for (j=0; j<lumFilterSize; j++)\ - {\ - Y1 += lumSrc[j][i] * lumFilter[j];\ - Y2 += lumSrc[j][i+1] * lumFilter[j];\ - }\ - Y1>>=19;\ - Y2>>=19;\ - if ((Y1|Y2)&256)\ - {\ - if (Y1>255) Y1=255;\ - else if (Y1<0)Y1=0;\ - if (Y2>255) Y2=255;\ - else if (Y2<0)Y2=0;\ - }\ - acc+= acc + g[Y1+d128[(i+0)&7]];\ - acc+= acc + g[Y2+d128[(i+1)&7]];\ - if ((i&7)==6){\ - ((uint8_t*)dest)[0]= c->dstFormat == PIX_FMT_MONOBLACK ? acc : ~acc;\ - dest++;\ - }\ - } - - -#define YSCALE_YUV_2_ANYRGB_C(func, func2, func_g16, func_monoblack)\ - switch(c->dstFormat)\ - {\ - case PIX_FMT_RGB32:\ - case PIX_FMT_BGR32:\ - case PIX_FMT_RGB32_1:\ - case PIX_FMT_BGR32_1:\ - func(uint32_t)\ - ((uint32_t*)dest)[i2+0]= r[Y1] + g[Y1] + b[Y1];\ - ((uint32_t*)dest)[i2+1]= r[Y2] + g[Y2] + b[Y2];\ - } \ - break;\ - case PIX_FMT_RGB24:\ - func(uint8_t)\ - ((uint8_t*)dest)[0]= r[Y1];\ - ((uint8_t*)dest)[1]= g[Y1];\ - ((uint8_t*)dest)[2]= b[Y1];\ - ((uint8_t*)dest)[3]= r[Y2];\ - ((uint8_t*)dest)[4]= g[Y2];\ - ((uint8_t*)dest)[5]= b[Y2];\ - dest+=6;\ - }\ - break;\ - case PIX_FMT_BGR24:\ - func(uint8_t)\ - ((uint8_t*)dest)[0]= b[Y1];\ - ((uint8_t*)dest)[1]= g[Y1];\ - ((uint8_t*)dest)[2]= r[Y1];\ - ((uint8_t*)dest)[3]= b[Y2];\ - ((uint8_t*)dest)[4]= g[Y2];\ - ((uint8_t*)dest)[5]= r[Y2];\ - dest+=6;\ - }\ - break;\ - case PIX_FMT_RGB565:\ - case PIX_FMT_BGR565:\ - {\ - const int dr1= dither_2x2_8[y&1 ][0];\ - const int dg1= dither_2x2_4[y&1 ][0];\ - const int db1= dither_2x2_8[(y&1)^1][0];\ - const int dr2= dither_2x2_8[y&1 ][1];\ - const int dg2= dither_2x2_4[y&1 ][1];\ - const int db2= dither_2x2_8[(y&1)^1][1];\ - func(uint16_t)\ - ((uint16_t*)dest)[i2+0]= r[Y1+dr1] + g[Y1+dg1] + b[Y1+db1];\ - ((uint16_t*)dest)[i2+1]= r[Y2+dr2] + g[Y2+dg2] + b[Y2+db2];\ - }\ - }\ - break;\ - case PIX_FMT_RGB555:\ - case PIX_FMT_BGR555:\ - {\ - const int dr1= dither_2x2_8[y&1 ][0];\ - const int dg1= dither_2x2_8[y&1 ][1];\ - const int db1= dither_2x2_8[(y&1)^1][0];\ - const int dr2= dither_2x2_8[y&1 ][1];\ - const int dg2= dither_2x2_8[y&1 ][0];\ - const int db2= dither_2x2_8[(y&1)^1][1];\ - func(uint16_t)\ - ((uint16_t*)dest)[i2+0]= r[Y1+dr1] + g[Y1+dg1] + b[Y1+db1];\ - ((uint16_t*)dest)[i2+1]= r[Y2+dr2] + g[Y2+dg2] + b[Y2+db2];\ - }\ - }\ - break;\ - case PIX_FMT_RGB8:\ - case PIX_FMT_BGR8:\ - {\ - const uint8_t * const d64= dither_8x8_73[y&7];\ - const uint8_t * const d32= dither_8x8_32[y&7];\ - func(uint8_t)\ - ((uint8_t*)dest)[i2+0]= r[Y1+d32[(i2+0)&7]] + g[Y1+d32[(i2+0)&7]] + b[Y1+d64[(i2+0)&7]];\ - ((uint8_t*)dest)[i2+1]= r[Y2+d32[(i2+1)&7]] + g[Y2+d32[(i2+1)&7]] + b[Y2+d64[(i2+1)&7]];\ - }\ - }\ - break;\ - case PIX_FMT_RGB4:\ - case PIX_FMT_BGR4:\ - {\ - const uint8_t * const d64= dither_8x8_73 [y&7];\ - const uint8_t * const d128=dither_8x8_220[y&7];\ - func(uint8_t)\ - ((uint8_t*)dest)[i]= r[Y1+d128[(i2+0)&7]] + g[Y1+d64[(i2+0)&7]] + b[Y1+d128[(i2+0)&7]]\ - + ((r[Y2+d128[(i2+1)&7]] + g[Y2+d64[(i2+1)&7]] + b[Y2+d128[(i2+1)&7]])<<4);\ - }\ - }\ - break;\ - case PIX_FMT_RGB4_BYTE:\ - case PIX_FMT_BGR4_BYTE:\ - {\ - const uint8_t * const d64= dither_8x8_73 [y&7];\ - const uint8_t * const d128=dither_8x8_220[y&7];\ - func(uint8_t)\ - ((uint8_t*)dest)[i2+0]= r[Y1+d128[(i2+0)&7]] + g[Y1+d64[(i2+0)&7]] + b[Y1+d128[(i2+0)&7]];\ - ((uint8_t*)dest)[i2+1]= r[Y2+d128[(i2+1)&7]] + g[Y2+d64[(i2+1)&7]] + b[Y2+d128[(i2+1)&7]];\ - }\ - }\ - break;\ - case PIX_FMT_MONOBLACK:\ - case PIX_FMT_MONOWHITE:\ - {\ - func_monoblack\ - }\ - break;\ - case PIX_FMT_YUYV422:\ - func2\ - ((uint8_t*)dest)[2*i2+0]= Y1;\ - ((uint8_t*)dest)[2*i2+1]= U;\ - ((uint8_t*)dest)[2*i2+2]= Y2;\ - ((uint8_t*)dest)[2*i2+3]= V;\ - } \ - break;\ - case PIX_FMT_UYVY422:\ - func2\ - ((uint8_t*)dest)[2*i2+0]= U;\ - ((uint8_t*)dest)[2*i2+1]= Y1;\ - ((uint8_t*)dest)[2*i2+2]= V;\ - ((uint8_t*)dest)[2*i2+3]= Y2;\ - } \ - break;\ - case PIX_FMT_GRAY16BE:\ - func_g16\ - ((uint8_t*)dest)[2*i2+0]= Y1>>8;\ - ((uint8_t*)dest)[2*i2+1]= Y1;\ - ((uint8_t*)dest)[2*i2+2]= Y2>>8;\ - ((uint8_t*)dest)[2*i2+3]= Y2;\ - } \ - break;\ - case PIX_FMT_GRAY16LE:\ - func_g16\ - ((uint8_t*)dest)[2*i2+0]= Y1;\ - ((uint8_t*)dest)[2*i2+1]= Y1>>8;\ - ((uint8_t*)dest)[2*i2+2]= Y2;\ - ((uint8_t*)dest)[2*i2+3]= Y2>>8;\ - } \ - break;\ - }\ - - -static inline void yuv2packedXinC(SwsContext *c, int16_t *lumFilter, int16_t **lumSrc, int lumFilterSize, - int16_t *chrFilter, int16_t **chrSrc, int chrFilterSize, - uint8_t *dest, int dstW, int y) -{ - int i; - YSCALE_YUV_2_ANYRGB_C(YSCALE_YUV_2_RGBX_C, YSCALE_YUV_2_PACKEDX_C(void), YSCALE_YUV_2_GRAY16_C, YSCALE_YUV_2_MONOX_C) -} - -static inline void yuv2rgbXinC_full(SwsContext *c, int16_t *lumFilter, int16_t **lumSrc, int lumFilterSize, - int16_t *chrFilter, int16_t **chrSrc, int chrFilterSize, - uint8_t *dest, int dstW, int y) -{ - int i; - int step= fmt_depth(c->dstFormat)/8; - int aidx= 3; - - switch(c->dstFormat){ - case PIX_FMT_ARGB: - dest++; - aidx= -1; - case PIX_FMT_RGB24: - aidx--; - case PIX_FMT_RGBA: - YSCALE_YUV_2_RGBX_FULL_C(1<<21) - dest[aidx]= 255; - dest[0]= R>>22; - dest[1]= G>>22; - dest[2]= B>>22; - dest+= step; - } - break; - case PIX_FMT_ABGR: - dest++; - aidx= -1; - case PIX_FMT_BGR24: - aidx--; - case PIX_FMT_BGRA: - YSCALE_YUV_2_RGBX_FULL_C(1<<21) - dest[aidx]= 255; - dest[0]= B>>22; - dest[1]= G>>22; - dest[2]= R>>22; - dest+= step; - } - break; - default: - assert(0); - } -} - -//Note: we have C, X86, MMX, MMX2, 3DNOW versions, there is no 3DNOW+MMX2 one -//Plain C versions -#if !HAVE_MMX || defined (RUNTIME_CPUDETECT) || !CONFIG_GPL -#define COMPILE_C -#endif - -#if ARCH_PPC -#if (HAVE_ALTIVEC || defined (RUNTIME_CPUDETECT)) && CONFIG_GPL -#undef COMPILE_C -#define COMPILE_ALTIVEC -#endif -#endif //ARCH_PPC - -#if ARCH_X86 - -#if ((HAVE_MMX && !HAVE_AMD3DNOW && !HAVE_MMX2) || defined (RUNTIME_CPUDETECT)) && CONFIG_GPL -#define COMPILE_MMX -#endif - -#if (HAVE_MMX2 || defined (RUNTIME_CPUDETECT)) && CONFIG_GPL -#define COMPILE_MMX2 -#endif - -#if ((HAVE_AMD3DNOW && !HAVE_MMX2) || defined (RUNTIME_CPUDETECT)) && CONFIG_GPL -#define COMPILE_3DNOW -#endif -#endif //ARCH_X86 - -#undef HAVE_MMX -#undef HAVE_MMX2 -#undef HAVE_AMD3DNOW -#undef HAVE_ALTIVEC -#define HAVE_MMX 0 -#define HAVE_MMX2 0 -#define HAVE_AMD3DNOW 0 -#define HAVE_ALTIVEC 0 - -#ifdef COMPILE_C -#define RENAME(a) a ## _C -#include "swscale_template.c" -#endif - -#ifdef COMPILE_ALTIVEC -#undef RENAME -#undef HAVE_ALTIVEC -#define HAVE_ALTIVEC 1 -#define RENAME(a) a ## _altivec -#include "swscale_template.c" -#endif - -#if ARCH_X86 - -//x86 versions -/* -#undef RENAME -#undef HAVE_MMX -#undef HAVE_MMX2 -#undef HAVE_AMD3DNOW -#define ARCH_X86 -#define RENAME(a) a ## _X86 -#include "swscale_template.c" -*/ -//MMX versions -#ifdef COMPILE_MMX -#undef RENAME -#undef HAVE_MMX -#undef HAVE_MMX2 -#undef HAVE_AMD3DNOW -#define HAVE_MMX 1 -#define HAVE_MMX2 0 -#define HAVE_AMD3DNOW 0 -#define RENAME(a) a ## _MMX -#include "swscale_template.c" -#endif - -//MMX2 versions -#ifdef COMPILE_MMX2 -#undef RENAME -#undef HAVE_MMX -#undef HAVE_MMX2 -#undef HAVE_AMD3DNOW -#define HAVE_MMX 1 -#define HAVE_MMX2 1 -#define HAVE_AMD3DNOW 0 -#define RENAME(a) a ## _MMX2 -#include "swscale_template.c" -#endif - -//3DNOW versions -#ifdef COMPILE_3DNOW -#undef RENAME -#undef HAVE_MMX -#undef HAVE_MMX2 -#undef HAVE_AMD3DNOW -#define HAVE_MMX 1 -#define HAVE_MMX2 0 -#define HAVE_AMD3DNOW 1 -#define RENAME(a) a ## _3DNow -#include "swscale_template.c" -#endif - -#endif //ARCH_X86 - -// minor note: the HAVE_xyz are messed up after this line so don't use them - -static double getSplineCoeff(double a, double b, double c, double d, double dist) -{ -// printf("%f %f %f %f %f\n", a,b,c,d,dist); - if (dist<=1.0) return ((d*dist + c)*dist + b)*dist +a; - else return getSplineCoeff( 0.0, - b+ 2.0*c + 3.0*d, - c + 3.0*d, - -b- 3.0*c - 6.0*d, - dist-1.0); -} - -static inline int initFilter(int16_t **outFilter, int16_t **filterPos, int *outFilterSize, int xInc, - int srcW, int dstW, int filterAlign, int one, int flags, - SwsVector *srcFilter, SwsVector *dstFilter, double param[2]) -{ - int i; - int filterSize; - int filter2Size; - int minFilterSize; - int64_t *filter=NULL; - int64_t *filter2=NULL; - const int64_t fone= 1LL<<54; - int ret= -1; -#if ARCH_X86 - if (flags & SWS_CPU_CAPS_MMX) - __asm__ volatile("emms\n\t"::: "memory"); //FIXME this should not be required but it IS (even for non-MMX versions) -#endif - - // NOTE: the +1 is for the MMX scaler which reads over the end - *filterPos = av_malloc((dstW+1)*sizeof(int16_t)); - - if (FFABS(xInc - 0x10000) <10) // unscaled - { - int i; - filterSize= 1; - filter= av_mallocz(dstW*sizeof(*filter)*filterSize); - - for (i=0; i<dstW; i++) - { - filter[i*filterSize]= fone; - (*filterPos)[i]=i; - } - - } - else if (flags&SWS_POINT) // lame looking point sampling mode - { - int i; - int xDstInSrc; - filterSize= 1; - filter= av_malloc(dstW*sizeof(*filter)*filterSize); - - xDstInSrc= xInc/2 - 0x8000; - for (i=0; i<dstW; i++) - { - int xx= (xDstInSrc - ((filterSize-1)<<15) + (1<<15))>>16; - - (*filterPos)[i]= xx; - filter[i]= fone; - xDstInSrc+= xInc; - } - } - else if ((xInc <= (1<<16) && (flags&SWS_AREA)) || (flags&SWS_FAST_BILINEAR)) // bilinear upscale - { - int i; - int xDstInSrc; - if (flags&SWS_BICUBIC) filterSize= 4; - else if (flags&SWS_X ) filterSize= 4; - else filterSize= 2; // SWS_BILINEAR / SWS_AREA - filter= av_malloc(dstW*sizeof(*filter)*filterSize); - - xDstInSrc= xInc/2 - 0x8000; - for (i=0; i<dstW; i++) - { - int xx= (xDstInSrc - ((filterSize-1)<<15) + (1<<15))>>16; - int j; - - (*filterPos)[i]= xx; - //bilinear upscale / linear interpolate / area averaging - for (j=0; j<filterSize; j++) - { - int64_t coeff= fone - FFABS((xx<<16) - xDstInSrc)*(fone>>16); - if (coeff<0) coeff=0; - filter[i*filterSize + j]= coeff; - xx++; - } - xDstInSrc+= xInc; - } - } - else - { - int xDstInSrc; - int sizeFactor; - - if (flags&SWS_BICUBIC) sizeFactor= 4; - else if (flags&SWS_X) sizeFactor= 8; - else if (flags&SWS_AREA) sizeFactor= 1; //downscale only, for upscale it is bilinear - else if (flags&SWS_GAUSS) sizeFactor= 8; // infinite ;) - else if (flags&SWS_LANCZOS) sizeFactor= param[0] != SWS_PARAM_DEFAULT ? ceil(2*param[0]) : 6; - else if (flags&SWS_SINC) sizeFactor= 20; // infinite ;) - else if (flags&SWS_SPLINE) sizeFactor= 20; // infinite ;) - else if (flags&SWS_BILINEAR) sizeFactor= 2; - else { - sizeFactor= 0; //GCC warning killer - assert(0); - } - - if (xInc <= 1<<16) filterSize= 1 + sizeFactor; // upscale - else filterSize= 1 + (sizeFactor*srcW + dstW - 1)/ dstW; - - if (filterSize > srcW-2) filterSize=srcW-2; - - filter= av_malloc(dstW*sizeof(*filter)*filterSize); - - xDstInSrc= xInc - 0x10000; - for (i=0; i<dstW; i++) - { - int xx= (xDstInSrc - ((filterSize-2)<<16)) / (1<<17); - int j; - (*filterPos)[i]= xx; - for (j=0; j<filterSize; j++) - { - int64_t d= ((int64_t)FFABS((xx<<17) - xDstInSrc))<<13; - double floatd; - int64_t coeff; - - if (xInc > 1<<16) - d= d*dstW/srcW; - floatd= d * (1.0/(1<<30)); - - if (flags & SWS_BICUBIC) - { - int64_t B= (param[0] != SWS_PARAM_DEFAULT ? param[0] : 0) * (1<<24); - int64_t C= (param[1] != SWS_PARAM_DEFAULT ? param[1] : 0.6) * (1<<24); - int64_t dd = ( d*d)>>30; - int64_t ddd= (dd*d)>>30; - - if (d < 1LL<<30) - coeff = (12*(1<<24)-9*B-6*C)*ddd + (-18*(1<<24)+12*B+6*C)*dd + (6*(1<<24)-2*B)*(1<<30); - else if (d < 1LL<<31) - coeff = (-B-6*C)*ddd + (6*B+30*C)*dd + (-12*B-48*C)*d + (8*B+24*C)*(1<<30); - else - coeff=0.0; - coeff *= fone>>(30+24); - } -/* else if (flags & SWS_X) - { - double p= param ? param*0.01 : 0.3; - coeff = d ? sin(d*PI)/(d*PI) : 1.0; - coeff*= pow(2.0, - p*d*d); - }*/ - else if (flags & SWS_X) - { - double A= param[0] != SWS_PARAM_DEFAULT ? param[0] : 1.0; - double c; - - if (floatd<1.0) - c = cos(floatd*PI); - else - c=-1.0; - if (c<0.0) c= -pow(-c, A); - else c= pow( c, A); - coeff= (c*0.5 + 0.5)*fone; - } - else if (flags & SWS_AREA) - { - int64_t d2= d - (1<<29); - if (d2*xInc < -(1LL<<(29+16))) coeff= 1.0 * (1LL<<(30+16)); - else if (d2*xInc < (1LL<<(29+16))) coeff= -d2*xInc + (1LL<<(29+16)); - else coeff=0.0; - coeff *= fone>>(30+16); - } - else if (flags & SWS_GAUSS) - { - double p= param[0] != SWS_PARAM_DEFAULT ? param[0] : 3.0; - coeff = (pow(2.0, - p*floatd*floatd))*fone; - } - else if (flags & SWS_SINC) - { - coeff = (d ? sin(floatd*PI)/(floatd*PI) : 1.0)*fone; - } - else if (flags & SWS_LANCZOS) - { - double p= param[0] != SWS_PARAM_DEFAULT ? param[0] : 3.0; - coeff = (d ? sin(floatd*PI)*sin(floatd*PI/p)/(floatd*floatd*PI*PI/p) : 1.0)*fone; - if (floatd>p) coeff=0; - } - else if (flags & SWS_BILINEAR) - { - coeff= (1<<30) - d; - if (coeff<0) coeff=0; - coeff *= fone >> 30; - } - else if (flags & SWS_SPLINE) - { - double p=-2.196152422706632; - coeff = getSplineCoeff(1.0, 0.0, p, -p-1.0, floatd) * fone; - } - else { - coeff= 0.0; //GCC warning killer - assert(0); - } - - filter[i*filterSize + j]= coeff; - xx++; - } - xDstInSrc+= 2*xInc; - } - } - - /* apply src & dst Filter to filter -> filter2 - av_free(filter); - */ - assert(filterSize>0); - filter2Size= filterSize; - if (srcFilter) filter2Size+= srcFilter->length - 1; - if (dstFilter) filter2Size+= dstFilter->length - 1; - assert(filter2Size>0); - filter2= av_mallocz(filter2Size*dstW*sizeof(*filter2)); - - for (i=0; i<dstW; i++) - { - int j, k; - - if(srcFilter){ - for (k=0; k<srcFilter->length; k++){ - for (j=0; j<filterSize; j++) - filter2[i*filter2Size + k + j] += srcFilter->coeff[k]*filter[i*filterSize + j]; - } - }else{ - for (j=0; j<filterSize; j++) - filter2[i*filter2Size + j]= filter[i*filterSize + j]; - } - //FIXME dstFilter - - (*filterPos)[i]+= (filterSize-1)/2 - (filter2Size-1)/2; - } - av_freep(&filter); - - /* try to reduce the filter-size (step1 find size and shift left) */ - // Assume it is near normalized (*0.5 or *2.0 is OK but * 0.001 is not). - minFilterSize= 0; - for (i=dstW-1; i>=0; i--) - { - int min= filter2Size; - int j; - int64_t cutOff=0.0; - - /* get rid off near zero elements on the left by shifting left */ - for (j=0; j<filter2Size; j++) - { - int k; - cutOff += FFABS(filter2[i*filter2Size]); - - if (cutOff > SWS_MAX_REDUCE_CUTOFF*fone) break; - - /* preserve monotonicity because the core can't handle the filter otherwise */ - if (i<dstW-1 && (*filterPos)[i] >= (*filterPos)[i+1]) break; - - // move filter coefficients left - for (k=1; k<filter2Size; k++) - filter2[i*filter2Size + k - 1]= filter2[i*filter2Size + k]; - filter2[i*filter2Size + k - 1]= 0; - (*filterPos)[i]++; - } - - cutOff=0; - /* count near zeros on the right */ - for (j=filter2Size-1; j>0; j--) - { - cutOff += FFABS(filter2[i*filter2Size + j]); - - if (cutOff > SWS_MAX_REDUCE_CUTOFF*fone) break; - min--; - } - - if (min>minFilterSize) minFilterSize= min; - } - - if (flags & SWS_CPU_CAPS_ALTIVEC) { - // we can handle the special case 4, - // so we don't want to go to the full 8 - if (minFilterSize < 5) - filterAlign = 4; - - // We really don't want to waste our time - // doing useless computation, so fall back on - // the scalar C code for very small filters. - // Vectorizing is worth it only if you have a - // decent-sized vector. - if (minFilterSize < 3) - filterAlign = 1; - } - - if (flags & SWS_CPU_CAPS_MMX) { - // special case for unscaled vertical filtering - if (minFilterSize == 1 && filterAlign == 2) - filterAlign= 1; - } - - assert(minFilterSize > 0); - filterSize= (minFilterSize +(filterAlign-1)) & (~(filterAlign-1)); - assert(filterSize > 0); - filter= av_malloc(filterSize*dstW*sizeof(*filter)); - if (filterSize >= MAX_FILTER_SIZE*16/((flags&SWS_ACCURATE_RND) ? APCK_SIZE : 16) || !filter) - goto error; - *outFilterSize= filterSize; - - if (flags&SWS_PRINT_INFO) - av_log(NULL, AV_LOG_VERBOSE, "SwScaler: reducing / aligning filtersize %d -> %d\n", filter2Size, filterSize); - /* try to reduce the filter-size (step2 reduce it) */ - for (i=0; i<dstW; i++) - { - int j; - - for (j=0; j<filterSize; j++) - { - if (j>=filter2Size) filter[i*filterSize + j]= 0; - else filter[i*filterSize + j]= filter2[i*filter2Size + j]; - if((flags & SWS_BITEXACT) && j>=minFilterSize) - filter[i*filterSize + j]= 0; - } - } - - - //FIXME try to align filterPos if possible - - //fix borders - for (i=0; i<dstW; i++) - { - int j; - if ((*filterPos)[i] < 0) - { - // move filter coefficients left to compensate for filterPos - for (j=1; j<filterSize; j++) - { - int left= FFMAX(j + (*filterPos)[i], 0); - filter[i*filterSize + left] += filter[i*filterSize + j]; - filter[i*filterSize + j]=0; - } - (*filterPos)[i]= 0; - } - - if ((*filterPos)[i] + filterSize > srcW) - { - int shift= (*filterPos)[i] + filterSize - srcW; - // move filter coefficients right to compensate for filterPos - for (j=filterSize-2; j>=0; j--) - { - int right= FFMIN(j + shift, filterSize-1); - filter[i*filterSize +right] += filter[i*filterSize +j]; - filter[i*filterSize +j]=0; - } - (*filterPos)[i]= srcW - filterSize; - } - } - - // Note the +1 is for the MMX scaler which reads over the end - /* align at 16 for AltiVec (needed by hScale_altivec_real) */ - *outFilter= av_mallocz(*outFilterSize*(dstW+1)*sizeof(int16_t)); - - /* normalize & store in outFilter */ - for (i=0; i<dstW; i++) - { - int j; - int64_t error=0; - int64_t sum=0; - - for (j=0; j<filterSize; j++) - { - sum+= filter[i*filterSize + j]; - } - sum= (sum + one/2)/ one; - for (j=0; j<*outFilterSize; j++) - { - int64_t v= filter[i*filterSize + j] + error; - int intV= ROUNDED_DIV(v, sum); - (*outFilter)[i*(*outFilterSize) + j]= intV; - error= v - intV*sum; - } - } - - (*filterPos)[dstW]= (*filterPos)[dstW-1]; // the MMX scaler will read over the end - for (i=0; i<*outFilterSize; i++) - { - int j= dstW*(*outFilterSize); - (*outFilter)[j + i]= (*outFilter)[j + i - (*outFilterSize)]; - } - - ret=0; -error: - av_free(filter); - av_free(filter2); - return ret; -} - -#ifdef COMPILE_MMX2 -static void initMMX2HScaler(int dstW, int xInc, uint8_t *funnyCode, int16_t *filter, int32_t *filterPos, int numSplits) -{ - uint8_t *fragmentA; - long imm8OfPShufW1A; - long imm8OfPShufW2A; - long fragmentLengthA; - uint8_t *fragmentB; - long imm8OfPShufW1B; - long imm8OfPShufW2B; - long fragmentLengthB; - int fragmentPos; - - int xpos, i; - - // create an optimized horizontal scaling routine - - //code fragment - - __asm__ volatile( - "jmp 9f \n\t" - // Begin - "0: \n\t" - "movq (%%"REG_d", %%"REG_a"), %%mm3 \n\t" - "movd (%%"REG_c", %%"REG_S"), %%mm0 \n\t" - "movd 1(%%"REG_c", %%"REG_S"), %%mm1 \n\t" - "punpcklbw %%mm7, %%mm1 \n\t" - "punpcklbw %%mm7, %%mm0 \n\t" - "pshufw $0xFF, %%mm1, %%mm1 \n\t" - "1: \n\t" - "pshufw $0xFF, %%mm0, %%mm0 \n\t" - "2: \n\t" - "psubw %%mm1, %%mm0 \n\t" - "movl 8(%%"REG_b", %%"REG_a"), %%esi \n\t" - "pmullw %%mm3, %%mm0 \n\t" - "psllw $7, %%mm1 \n\t" - "paddw %%mm1, %%mm0 \n\t" - - "movq %%mm0, (%%"REG_D", %%"REG_a") \n\t" - - "add $8, %%"REG_a" \n\t" - // End - "9: \n\t" -// "int $3 \n\t" - "lea " LOCAL_MANGLE(0b) ", %0 \n\t" - "lea " LOCAL_MANGLE(1b) ", %1 \n\t" - "lea " LOCAL_MANGLE(2b) ", %2 \n\t" - "dec %1 \n\t" - "dec %2 \n\t" - "sub %0, %1 \n\t" - "sub %0, %2 \n\t" - "lea " LOCAL_MANGLE(9b) ", %3 \n\t" - "sub %0, %3 \n\t" - - - :"=r" (fragmentA), "=r" (imm8OfPShufW1A), "=r" (imm8OfPShufW2A), - "=r" (fragmentLengthA) - ); - - __asm__ volatile( - "jmp 9f \n\t" - // Begin - "0: \n\t" - "movq (%%"REG_d", %%"REG_a"), %%mm3 \n\t" - "movd (%%"REG_c", %%"REG_S"), %%mm0 \n\t" - "punpcklbw %%mm7, %%mm0 \n\t" - "pshufw $0xFF, %%mm0, %%mm1 \n\t" - "1: \n\t" - "pshufw $0xFF, %%mm0, %%mm0 \n\t" - "2: \n\t" - "psubw %%mm1, %%mm0 \n\t" - "movl 8(%%"REG_b", %%"REG_a"), %%esi \n\t" - "pmullw %%mm3, %%mm0 \n\t" - "psllw $7, %%mm1 \n\t" - "paddw %%mm1, %%mm0 \n\t" - - "movq %%mm0, (%%"REG_D", %%"REG_a") \n\t" - - "add $8, %%"REG_a" \n\t" - // End - "9: \n\t" -// "int $3 \n\t" - "lea " LOCAL_MANGLE(0b) ", %0 \n\t" - "lea " LOCAL_MANGLE(1b) ", %1 \n\t" - "lea " LOCAL_MANGLE(2b) ", %2 \n\t" - "dec %1 \n\t" - "dec %2 \n\t" - "sub %0, %1 \n\t" - "sub %0, %2 \n\t" - "lea " LOCAL_MANGLE(9b) ", %3 \n\t" - "sub %0, %3 \n\t" - - - :"=r" (fragmentB), "=r" (imm8OfPShufW1B), "=r" (imm8OfPShufW2B), - "=r" (fragmentLengthB) - ); - - xpos= 0; //lumXInc/2 - 0x8000; // difference between pixel centers - fragmentPos=0; - - for (i=0; i<dstW/numSplits; i++) - { - int xx=xpos>>16; - - if ((i&3) == 0) - { - int a=0; - int b=((xpos+xInc)>>16) - xx; - int c=((xpos+xInc*2)>>16) - xx; - int d=((xpos+xInc*3)>>16) - xx; - - filter[i ] = (( xpos & 0xFFFF) ^ 0xFFFF)>>9; - filter[i+1] = (((xpos+xInc ) & 0xFFFF) ^ 0xFFFF)>>9; - filter[i+2] = (((xpos+xInc*2) & 0xFFFF) ^ 0xFFFF)>>9; - filter[i+3] = (((xpos+xInc*3) & 0xFFFF) ^ 0xFFFF)>>9; - filterPos[i/2]= xx; - - if (d+1<4) - { - int maxShift= 3-(d+1); - int shift=0; - - memcpy(funnyCode + fragmentPos, fragmentB, fragmentLengthB); - - funnyCode[fragmentPos + imm8OfPShufW1B]= - (a+1) | ((b+1)<<2) | ((c+1)<<4) | ((d+1)<<6); - funnyCode[fragmentPos + imm8OfPShufW2B]= - a | (b<<2) | (c<<4) | (d<<6); - - if (i+3>=dstW) shift=maxShift; //avoid overread - else if ((filterPos[i/2]&3) <= maxShift) shift=filterPos[i/2]&3; //Align - - if (shift && i>=shift) - { - funnyCode[fragmentPos + imm8OfPShufW1B]+= 0x55*shift; - funnyCode[fragmentPos + imm8OfPShufW2B]+= 0x55*shift; - filterPos[i/2]-=shift; - } - - fragmentPos+= fragmentLengthB; - } - else - { - int maxShift= 3-d; - int shift=0; - - memcpy(funnyCode + fragmentPos, fragmentA, fragmentLengthA); - - funnyCode[fragmentPos + imm8OfPShufW1A]= - funnyCode[fragmentPos + imm8OfPShufW2A]= - a | (b<<2) | (c<<4) | (d<<6); - - if (i+4>=dstW) shift=maxShift; //avoid overread - else if ((filterPos[i/2]&3) <= maxShift) shift=filterPos[i/2]&3; //partial align - - if (shift && i>=shift) - { - funnyCode[fragmentPos + imm8OfPShufW1A]+= 0x55*shift; - funnyCode[fragmentPos + imm8OfPShufW2A]+= 0x55*shift; - filterPos[i/2]-=shift; - } - - fragmentPos+= fragmentLengthA; - } - - funnyCode[fragmentPos]= RET; - } - xpos+=xInc; - } - filterPos[i/2]= xpos>>16; // needed to jump to the next part -} -#endif /* COMPILE_MMX2 */ - -static void globalInit(void){ - // generating tables: - int i; - for (i=0; i<768; i++){ - int c= av_clip_uint8(i-256); - clip_table[i]=c; - } -} - -static SwsFunc getSwsFunc(int flags){ - -#if defined(RUNTIME_CPUDETECT) && CONFIG_GPL -#if ARCH_X86 - // ordered per speed fastest first - if (flags & SWS_CPU_CAPS_MMX2) - return swScale_MMX2; - else if (flags & SWS_CPU_CAPS_3DNOW) - return swScale_3DNow; - else if (flags & SWS_CPU_CAPS_MMX) - return swScale_MMX; - else - return swScale_C; - -#else -#if ARCH_PPC - if (flags & SWS_CPU_CAPS_ALTIVEC) - return swScale_altivec; - else - return swScale_C; -#endif - return swScale_C; -#endif /* ARCH_X86 */ -#else //RUNTIME_CPUDETECT -#if HAVE_MMX2 - return swScale_MMX2; -#elif HAVE_AMD3DNOW - return swScale_3DNow; -#elif HAVE_MMX - return swScale_MMX; -#elif HAVE_ALTIVEC - return swScale_altivec; -#else - return swScale_C; -#endif -#endif //!RUNTIME_CPUDETECT -} - -static int PlanarToNV12Wrapper(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, - int srcSliceH, uint8_t* dstParam[], int dstStride[]){ - uint8_t *dst=dstParam[0] + dstStride[0]*srcSliceY; - /* Copy Y plane */ - if (dstStride[0]==srcStride[0] && srcStride[0] > 0) - memcpy(dst, src[0], srcSliceH*dstStride[0]); - else - { - int i; - uint8_t *srcPtr= src[0]; - uint8_t *dstPtr= dst; - for (i=0; i<srcSliceH; i++) - { - memcpy(dstPtr, srcPtr, c->srcW); - srcPtr+= srcStride[0]; - dstPtr+= dstStride[0]; - } - } - dst = dstParam[1] + dstStride[1]*srcSliceY/2; - if (c->dstFormat == PIX_FMT_NV12) - interleaveBytes(src[1], src[2], dst, c->srcW/2, srcSliceH/2, srcStride[1], srcStride[2], dstStride[0]); - else - interleaveBytes(src[2], src[1], dst, c->srcW/2, srcSliceH/2, srcStride[2], srcStride[1], dstStride[0]); - - return srcSliceH; -} - -static int PlanarToYuy2Wrapper(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, - int srcSliceH, uint8_t* dstParam[], int dstStride[]){ - uint8_t *dst=dstParam[0] + dstStride[0]*srcSliceY; - - yv12toyuy2(src[0], src[1], src[2], dst, c->srcW, srcSliceH, srcStride[0], srcStride[1], dstStride[0]); - - return srcSliceH; -} - -static int PlanarToUyvyWrapper(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, - int srcSliceH, uint8_t* dstParam[], int dstStride[]){ - uint8_t *dst=dstParam[0] + dstStride[0]*srcSliceY; - - yv12touyvy(src[0], src[1], src[2], dst, c->srcW, srcSliceH, srcStride[0], srcStride[1], dstStride[0]); - - return srcSliceH; -} - -static int YUV422PToYuy2Wrapper(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, - int srcSliceH, uint8_t* dstParam[], int dstStride[]){ - uint8_t *dst=dstParam[0] + dstStride[0]*srcSliceY; - - yuv422ptoyuy2(src[0],src[1],src[2],dst,c->srcW,srcSliceH,srcStride[0],srcStride[1],dstStride[0]); - - return srcSliceH; -} - -static int YUV422PToUyvyWrapper(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, - int srcSliceH, uint8_t* dstParam[], int dstStride[]){ - uint8_t *dst=dstParam[0] + dstStride[0]*srcSliceY; - - yuv422ptouyvy(src[0],src[1],src[2],dst,c->srcW,srcSliceH,srcStride[0],srcStride[1],dstStride[0]); - - return srcSliceH; -} - -static int pal2rgbWrapper(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, - int srcSliceH, uint8_t* dst[], int dstStride[]){ - const enum PixelFormat srcFormat= c->srcFormat; - const enum PixelFormat dstFormat= c->dstFormat; - void (*conv)(const uint8_t *src, uint8_t *dst, long num_pixels, - const uint8_t *palette)=NULL; - int i; - uint8_t *dstPtr= dst[0] + dstStride[0]*srcSliceY; - uint8_t *srcPtr= src[0]; - - if (!usePal(srcFormat)) - av_log(c, AV_LOG_ERROR, "internal error %s -> %s converter\n", - sws_format_name(srcFormat), sws_format_name(dstFormat)); - - switch(dstFormat){ - case PIX_FMT_RGB32 : conv = palette8topacked32; break; - case PIX_FMT_BGR32 : conv = palette8topacked32; break; - case PIX_FMT_BGR32_1: conv = palette8topacked32; break; - case PIX_FMT_RGB32_1: conv = palette8topacked32; break; - case PIX_FMT_RGB24 : conv = palette8topacked24; break; - case PIX_FMT_BGR24 : conv = palette8topacked24; break; - default: av_log(c, AV_LOG_ERROR, "internal error %s -> %s converter\n", - sws_format_name(srcFormat), sws_format_name(dstFormat)); break; - } - - - for (i=0; i<srcSliceH; i++) { - conv(srcPtr, dstPtr, c->srcW, (uint8_t *) c->pal_rgb); - srcPtr+= srcStride[0]; - dstPtr+= dstStride[0]; - } - - return srcSliceH; -} - -/* {RGB,BGR}{15,16,24,32,32_1} -> {RGB,BGR}{15,16,24,32} */ -static int rgb2rgbWrapper(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, - int srcSliceH, uint8_t* dst[], int dstStride[]){ - const enum PixelFormat srcFormat= c->srcFormat; - const enum PixelFormat dstFormat= c->dstFormat; - const int srcBpp= (fmt_depth(srcFormat) + 7) >> 3; - const int dstBpp= (fmt_depth(dstFormat) + 7) >> 3; - const int srcId= fmt_depth(srcFormat) >> 2; /* 1:0, 4:1, 8:2, 15:3, 16:4, 24:6, 32:8 */ - const int dstId= fmt_depth(dstFormat) >> 2; - void (*conv)(const uint8_t *src, uint8_t *dst, long src_size)=NULL; - - /* BGR -> BGR */ - if ( (isBGR(srcFormat) && isBGR(dstFormat)) - || (isRGB(srcFormat) && isRGB(dstFormat))){ - switch(srcId | (dstId<<4)){ - case 0x34: conv= rgb16to15; break; - case 0x36: conv= rgb24to15; break; - case 0x38: conv= rgb32to15; break; - case 0x43: conv= rgb15to16; break; - case 0x46: conv= rgb24to16; break; - case 0x48: conv= rgb32to16; break; - case 0x63: conv= rgb15to24; break; - case 0x64: conv= rgb16to24; break; - case 0x68: conv= rgb32to24; break; - case 0x83: conv= rgb15to32; break; - case 0x84: conv= rgb16to32; break; - case 0x86: conv= rgb24to32; break; - default: av_log(c, AV_LOG_ERROR, "internal error %s -> %s converter\n", - sws_format_name(srcFormat), sws_format_name(dstFormat)); break; - } - }else if ( (isBGR(srcFormat) && isRGB(dstFormat)) - || (isRGB(srcFormat) && isBGR(dstFormat))){ - switch(srcId | (dstId<<4)){ - case 0x33: conv= rgb15tobgr15; break; - case 0x34: conv= rgb16tobgr15; break; - case 0x36: conv= rgb24tobgr15; break; - case 0x38: conv= rgb32tobgr15; break; - case 0x43: conv= rgb15tobgr16; break; - case 0x44: conv= rgb16tobgr16; break; - case 0x46: conv= rgb24tobgr16; break; - case 0x48: conv= rgb32tobgr16; break; - case 0x63: conv= rgb15tobgr24; break; - case 0x64: conv= rgb16tobgr24; break; - case 0x66: conv= rgb24tobgr24; break; - case 0x68: conv= rgb32tobgr24; break; - case 0x83: conv= rgb15tobgr32; break; - case 0x84: conv= rgb16tobgr32; break; - case 0x86: conv= rgb24tobgr32; break; - case 0x88: conv= rgb32tobgr32; break; - default: av_log(c, AV_LOG_ERROR, "internal error %s -> %s converter\n", - sws_format_name(srcFormat), sws_format_name(dstFormat)); break; - } - }else{ - av_log(c, AV_LOG_ERROR, "internal error %s -> %s converter\n", - sws_format_name(srcFormat), sws_format_name(dstFormat)); - } - - if(conv) - { - uint8_t *srcPtr= src[0]; - if(srcFormat == PIX_FMT_RGB32_1 || srcFormat == PIX_FMT_BGR32_1) - srcPtr += ALT32_CORR; - - if (dstStride[0]*srcBpp == srcStride[0]*dstBpp && srcStride[0] > 0) - conv(srcPtr, dst[0] + dstStride[0]*srcSliceY, srcSliceH*srcStride[0]); - else - { - int i; - uint8_t *dstPtr= dst[0] + dstStride[0]*srcSliceY; - - for (i=0; i<srcSliceH; i++) - { - conv(srcPtr, dstPtr, c->srcW*srcBpp); - srcPtr+= srcStride[0]; - dstPtr+= dstStride[0]; - } - } - } - return srcSliceH; -} - -static int bgr24toyv12Wrapper(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, - int srcSliceH, uint8_t* dst[], int dstStride[]){ - - rgb24toyv12( - src[0], - dst[0]+ srcSliceY *dstStride[0], - dst[1]+(srcSliceY>>1)*dstStride[1], - dst[2]+(srcSliceY>>1)*dstStride[2], - c->srcW, srcSliceH, - dstStride[0], dstStride[1], srcStride[0]); - return srcSliceH; -} - -static int yvu9toyv12Wrapper(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, - int srcSliceH, uint8_t* dst[], int dstStride[]){ - int i; - - /* copy Y */ - if (srcStride[0]==dstStride[0] && srcStride[0] > 0) - memcpy(dst[0]+ srcSliceY*dstStride[0], src[0], srcStride[0]*srcSliceH); - else{ - uint8_t *srcPtr= src[0]; - uint8_t *dstPtr= dst[0] + dstStride[0]*srcSliceY; - - for (i=0; i<srcSliceH; i++) - { - memcpy(dstPtr, srcPtr, c->srcW); - srcPtr+= srcStride[0]; - dstPtr+= dstStride[0]; - } - } - - if (c->dstFormat==PIX_FMT_YUV420P){ - planar2x(src[1], dst[1], c->chrSrcW, c->chrSrcH, srcStride[1], dstStride[1]); - planar2x(src[2], dst[2], c->chrSrcW, c->chrSrcH, srcStride[2], dstStride[2]); - }else{ - planar2x(src[1], dst[2], c->chrSrcW, c->chrSrcH, srcStride[1], dstStride[2]); - planar2x(src[2], dst[1], c->chrSrcW, c->chrSrcH, srcStride[2], dstStride[1]); - } - return srcSliceH; -} - -/* unscaled copy like stuff (assumes nearly identical formats) */ -static int packedCopy(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, - int srcSliceH, uint8_t* dst[], int dstStride[]) -{ - if (dstStride[0]==srcStride[0] && srcStride[0] > 0) - memcpy(dst[0] + dstStride[0]*srcSliceY, src[0], srcSliceH*dstStride[0]); - else - { - int i; - uint8_t *srcPtr= src[0]; - uint8_t *dstPtr= dst[0] + dstStride[0]*srcSliceY; - int length=0; - - /* universal length finder */ - while(length+c->srcW <= FFABS(dstStride[0]) - && length+c->srcW <= FFABS(srcStride[0])) length+= c->srcW; - assert(length!=0); - - for (i=0; i<srcSliceH; i++) - { - memcpy(dstPtr, srcPtr, length); - srcPtr+= srcStride[0]; - dstPtr+= dstStride[0]; - } - } - return srcSliceH; -} - -static int planarCopy(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, - int srcSliceH, uint8_t* dst[], int dstStride[]) -{ - int plane; - for (plane=0; plane<3; plane++) - { - int length= plane==0 ? c->srcW : -((-c->srcW )>>c->chrDstHSubSample); - int y= plane==0 ? srcSliceY: -((-srcSliceY)>>c->chrDstVSubSample); - int height= plane==0 ? srcSliceH: -((-srcSliceH)>>c->chrDstVSubSample); - - if ((isGray(c->srcFormat) || isGray(c->dstFormat)) && plane>0) - { - if (!isGray(c->dstFormat)) - memset(dst[plane], 128, dstStride[plane]*height); - } - else - { - if (dstStride[plane]==srcStride[plane] && srcStride[plane] > 0) - memcpy(dst[plane] + dstStride[plane]*y, src[plane], height*dstStride[plane]); - else - { - int i; - uint8_t *srcPtr= src[plane]; - uint8_t *dstPtr= dst[plane] + dstStride[plane]*y; - for (i=0; i<height; i++) - { - memcpy(dstPtr, srcPtr, length); - srcPtr+= srcStride[plane]; - dstPtr+= dstStride[plane]; - } - } - } - } - return srcSliceH; -} - -static int gray16togray(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, - int srcSliceH, uint8_t* dst[], int dstStride[]){ - - int length= c->srcW; - int y= srcSliceY; - int height= srcSliceH; - int i, j; - uint8_t *srcPtr= src[0]; - uint8_t *dstPtr= dst[0] + dstStride[0]*y; - - if (!isGray(c->dstFormat)){ - int height= -((-srcSliceH)>>c->chrDstVSubSample); - memset(dst[1], 128, dstStride[1]*height); - memset(dst[2], 128, dstStride[2]*height); - } - if (c->srcFormat == PIX_FMT_GRAY16LE) srcPtr++; - for (i=0; i<height; i++) - { - for (j=0; j<length; j++) dstPtr[j] = srcPtr[j<<1]; - srcPtr+= srcStride[0]; - dstPtr+= dstStride[0]; - } - return srcSliceH; -} - -static int graytogray16(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, - int srcSliceH, uint8_t* dst[], int dstStride[]){ - - int length= c->srcW; - int y= srcSliceY; - int height= srcSliceH; - int i, j; - uint8_t *srcPtr= src[0]; - uint8_t *dstPtr= dst[0] + dstStride[0]*y; - for (i=0; i<height; i++) - { - for (j=0; j<length; j++) - { - dstPtr[j<<1] = srcPtr[j]; - dstPtr[(j<<1)+1] = srcPtr[j]; - } - srcPtr+= srcStride[0]; - dstPtr+= dstStride[0]; - } - return srcSliceH; -} - -static int gray16swap(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, - int srcSliceH, uint8_t* dst[], int dstStride[]){ - - int length= c->srcW; - int y= srcSliceY; - int height= srcSliceH; - int i, j; - uint16_t *srcPtr= (uint16_t*)src[0]; - uint16_t *dstPtr= (uint16_t*)(dst[0] + dstStride[0]*y/2); - for (i=0; i<height; i++) - { - for (j=0; j<length; j++) dstPtr[j] = bswap_16(srcPtr[j]); - srcPtr+= srcStride[0]/2; - dstPtr+= dstStride[0]/2; - } - return srcSliceH; -} - - -static void getSubSampleFactors(int *h, int *v, int format){ - switch(format){ - case PIX_FMT_UYVY422: - case PIX_FMT_YUYV422: - *h=1; - *v=0; - break; - case PIX_FMT_YUV420P: - case PIX_FMT_YUVA420P: - case PIX_FMT_GRAY16BE: - case PIX_FMT_GRAY16LE: - case PIX_FMT_GRAY8: //FIXME remove after different subsamplings are fully implemented - case PIX_FMT_NV12: - case PIX_FMT_NV21: - *h=1; - *v=1; - break; - case PIX_FMT_YUV440P: - *h=0; - *v=1; - break; - case PIX_FMT_YUV410P: - *h=2; - *v=2; - break; - case PIX_FMT_YUV444P: - *h=0; - *v=0; - break; - case PIX_FMT_YUV422P: - *h=1; - *v=0; - break; - case PIX_FMT_YUV411P: - *h=2; - *v=0; - break; - default: - *h=0; - *v=0; - break; - } -} - -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; -} - -/** - * @param inv_table the yuv2rgb coefficients, normally ff_yuv2rgb_coeffs[x] - * @param fullRange if 1 then the luma range is 0..255 if 0 it is 16..235 - * @return -1 if not supported - */ -int sws_setColorspaceDetails(SwsContext *c, const int inv_table[4], int srcRange, const int table[4], int dstRange, int brightness, int contrast, int saturation){ - 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; - - memcpy(c->srcColorspaceTable, inv_table, sizeof(int)*4); - memcpy(c->dstColorspaceTable, table, sizeof(int)*4); - - c->brightness= brightness; - c->contrast = contrast; - c->saturation= saturation; - c->srcRange = srcRange; - c->dstRange = dstRange; - if (isYUV(c->dstFormat) || isGray(c->dstFormat)) return 0; - - c->uOffset= 0x0400040004000400LL; - c->vOffset= 0x0400040004000400LL; - - if (!srcRange){ - 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; - - oy -= 256*brightness; - - 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); - - sws_yuv2rgb_c_init_tables(c, inv_table, srcRange, brightness, contrast, saturation); - //FIXME factorize - -#ifdef COMPILE_ALTIVEC - if (c->flags & SWS_CPU_CAPS_ALTIVEC) - sws_yuv2rgb_altivec_init_tables (c, inv_table, brightness, contrast, saturation); -#endif - return 0; -} - -/** - * @return -1 if not supported - */ -int sws_getColorspaceDetails(SwsContext *c, int **inv_table, int *srcRange, int **table, int *dstRange, int *brightness, int *contrast, int *saturation){ - if (isYUV(c->dstFormat) || isGray(c->dstFormat)) return -1; - - *inv_table = c->srcColorspaceTable; - *table = c->dstColorspaceTable; - *srcRange = c->srcRange; - *dstRange = c->dstRange; - *brightness= c->brightness; - *contrast = c->contrast; - *saturation= c->saturation; - - return 0; -} - -static int handle_jpeg(enum PixelFormat *format) -{ - switch (*format) { - case PIX_FMT_YUVJ420P: - *format = PIX_FMT_YUV420P; - return 1; - case PIX_FMT_YUVJ422P: - *format = PIX_FMT_YUV422P; - return 1; - case PIX_FMT_YUVJ444P: - *format = PIX_FMT_YUV444P; - return 1; - case PIX_FMT_YUVJ440P: - *format = PIX_FMT_YUV440P; - return 1; - default: - return 0; - } -} - -SwsContext *sws_getContext(int srcW, int srcH, enum PixelFormat srcFormat, int dstW, int dstH, enum PixelFormat dstFormat, int flags, - SwsFilter *srcFilter, SwsFilter *dstFilter, double *param){ - - SwsContext *c; - int i; - int usesVFilter, usesHFilter; - int unscaled, needsDither; - int srcRange, dstRange; - SwsFilter dummyFilter= {NULL, NULL, NULL, NULL}; -#if ARCH_X86 - if (flags & SWS_CPU_CAPS_MMX) - __asm__ volatile("emms\n\t"::: "memory"); -#endif - -#if !defined(RUNTIME_CPUDETECT) || !CONFIG_GPL //ensure that the flags match the compiled variant if cpudetect is off - flags &= ~(SWS_CPU_CAPS_MMX|SWS_CPU_CAPS_MMX2|SWS_CPU_CAPS_3DNOW|SWS_CPU_CAPS_ALTIVEC|SWS_CPU_CAPS_BFIN); -#if HAVE_MMX2 - flags |= SWS_CPU_CAPS_MMX|SWS_CPU_CAPS_MMX2; -#elif HAVE_AMD3DNOW - flags |= SWS_CPU_CAPS_MMX|SWS_CPU_CAPS_3DNOW; -#elif HAVE_MMX - flags |= SWS_CPU_CAPS_MMX; -#elif HAVE_ALTIVEC - flags |= SWS_CPU_CAPS_ALTIVEC; -#elif ARCH_BFIN - flags |= SWS_CPU_CAPS_BFIN; -#endif -#endif /* RUNTIME_CPUDETECT */ - if (clip_table[512] != 255) globalInit(); - if (!rgb15to16) sws_rgb2rgb_init(flags); - - unscaled = (srcW == dstW && srcH == dstH); - needsDither= (isBGR(dstFormat) || isRGB(dstFormat)) - && (fmt_depth(dstFormat))<24 - && ((fmt_depth(dstFormat))<(fmt_depth(srcFormat)) || (!(isRGB(srcFormat) || isBGR(srcFormat)))); - - srcRange = handle_jpeg(&srcFormat); - dstRange = handle_jpeg(&dstFormat); - - if (!isSupportedIn(srcFormat)) - { - av_log(NULL, AV_LOG_ERROR, "swScaler: %s is not supported as input pixel format\n", sws_format_name(srcFormat)); - return NULL; - } - if (!isSupportedOut(dstFormat)) - { - av_log(NULL, AV_LOG_ERROR, "swScaler: %s is not supported as output pixel format\n", sws_format_name(dstFormat)); - return NULL; - } - - i= flags & ( SWS_POINT - |SWS_AREA - |SWS_BILINEAR - |SWS_FAST_BILINEAR - |SWS_BICUBIC - |SWS_X - |SWS_GAUSS - |SWS_LANCZOS - |SWS_SINC - |SWS_SPLINE - |SWS_BICUBLIN); - if(!i || (i & (i-1))) - { - av_log(NULL, AV_LOG_ERROR, "swScaler: Exactly one scaler algorithm must be chosen\n"); - return NULL; - } - - /* sanity check */ - if (srcW<4 || srcH<1 || dstW<8 || dstH<1) //FIXME check if these are enough and try to lowwer them after fixing the relevant parts of the code - { - av_log(NULL, AV_LOG_ERROR, "swScaler: %dx%d -> %dx%d is invalid scaling dimension\n", - srcW, srcH, dstW, dstH); - return NULL; - } - if(srcW > VOFW || dstW > VOFW){ - av_log(NULL, AV_LOG_ERROR, "swScaler: Compile-time maximum width is "AV_STRINGIFY(VOFW)" change VOF/VOFW and recompile\n"); - return NULL; - } - - if (!dstFilter) dstFilter= &dummyFilter; - if (!srcFilter) srcFilter= &dummyFilter; - - c= av_mallocz(sizeof(SwsContext)); - - c->av_class = &sws_context_class; - c->srcW= srcW; - c->srcH= srcH; - c->dstW= dstW; - c->dstH= dstH; - c->lumXInc= ((srcW<<16) + (dstW>>1))/dstW; - c->lumYInc= ((srcH<<16) + (dstH>>1))/dstH; - c->flags= flags; - c->dstFormat= dstFormat; - c->srcFormat= srcFormat; - c->vRounder= 4* 0x0001000100010001ULL; - - usesHFilter= usesVFilter= 0; - if (dstFilter->lumV && dstFilter->lumV->length>1) usesVFilter=1; - if (dstFilter->lumH && dstFilter->lumH->length>1) usesHFilter=1; - if (dstFilter->chrV && dstFilter->chrV->length>1) usesVFilter=1; - if (dstFilter->chrH && dstFilter->chrH->length>1) usesHFilter=1; - if (srcFilter->lumV && srcFilter->lumV->length>1) usesVFilter=1; - if (srcFilter->lumH && srcFilter->lumH->length>1) usesHFilter=1; - if (srcFilter->chrV && srcFilter->chrV->length>1) usesVFilter=1; - if (srcFilter->chrH && srcFilter->chrH->length>1) usesHFilter=1; - - getSubSampleFactors(&c->chrSrcHSubSample, &c->chrSrcVSubSample, srcFormat); - getSubSampleFactors(&c->chrDstHSubSample, &c->chrDstVSubSample, dstFormat); - - // reuse chroma for 2 pixels RGB/BGR unless user wants full chroma interpolation - if ((isBGR(dstFormat) || isRGB(dstFormat)) && !(flags&SWS_FULL_CHR_H_INT)) c->chrDstHSubSample=1; - - // drop some chroma lines if the user wants it - c->vChrDrop= (flags&SWS_SRC_V_CHR_DROP_MASK)>>SWS_SRC_V_CHR_DROP_SHIFT; - c->chrSrcVSubSample+= c->vChrDrop; - - // drop every other pixel for chroma calculation unless user wants full chroma - if ((isBGR(srcFormat) || isRGB(srcFormat)) && !(flags&SWS_FULL_CHR_H_INP) - && srcFormat!=PIX_FMT_RGB8 && srcFormat!=PIX_FMT_BGR8 - && srcFormat!=PIX_FMT_RGB4 && srcFormat!=PIX_FMT_BGR4 - && srcFormat!=PIX_FMT_RGB4_BYTE && srcFormat!=PIX_FMT_BGR4_BYTE - && ((dstW>>c->chrDstHSubSample) <= (srcW>>1) || (flags&(SWS_FAST_BILINEAR|SWS_POINT)))) - c->chrSrcHSubSample=1; - - if (param){ - c->param[0] = param[0]; - c->param[1] = param[1]; - }else{ - c->param[0] = - c->param[1] = SWS_PARAM_DEFAULT; - } - - c->chrIntHSubSample= c->chrDstHSubSample; - c->chrIntVSubSample= c->chrSrcVSubSample; - - // Note the -((-x)>>y) is so that we always round toward +inf. - c->chrSrcW= -((-srcW) >> c->chrSrcHSubSample); - c->chrSrcH= -((-srcH) >> c->chrSrcVSubSample); - c->chrDstW= -((-dstW) >> c->chrDstHSubSample); - c->chrDstH= -((-dstH) >> c->chrDstVSubSample); - - sws_setColorspaceDetails(c, ff_yuv2rgb_coeffs[SWS_CS_DEFAULT], srcRange, ff_yuv2rgb_coeffs[SWS_CS_DEFAULT] /* FIXME*/, dstRange, 0, 1<<16, 1<<16); - - /* unscaled special cases */ - if (unscaled && !usesHFilter && !usesVFilter && (srcRange == dstRange || isBGR(dstFormat) || isRGB(dstFormat))) - { - /* yv12_to_nv12 */ - if ((srcFormat == PIX_FMT_YUV420P || srcFormat == PIX_FMT_YUVA420P) && (dstFormat == PIX_FMT_NV12 || dstFormat == PIX_FMT_NV21)) - { - c->swScale= PlanarToNV12Wrapper; - } - /* yuv2bgr */ - if ((srcFormat==PIX_FMT_YUV420P || srcFormat==PIX_FMT_YUV422P || srcFormat==PIX_FMT_YUVA420P) && (isBGR(dstFormat) || isRGB(dstFormat)) - && !(flags & SWS_ACCURATE_RND) && !(dstH&1)) - { - c->swScale= sws_yuv2rgb_get_func_ptr(c); - } - - if (srcFormat==PIX_FMT_YUV410P && dstFormat==PIX_FMT_YUV420P && !(flags & SWS_BITEXACT)) - { - c->swScale= yvu9toyv12Wrapper; - } - - /* bgr24toYV12 */ - if (srcFormat==PIX_FMT_BGR24 && dstFormat==PIX_FMT_YUV420P && !(flags & SWS_ACCURATE_RND)) - c->swScale= bgr24toyv12Wrapper; - - /* RGB/BGR -> RGB/BGR (no dither needed forms) */ - if ( (isBGR(srcFormat) || isRGB(srcFormat)) - && (isBGR(dstFormat) || isRGB(dstFormat)) - && srcFormat != PIX_FMT_BGR8 && dstFormat != PIX_FMT_BGR8 - && srcFormat != PIX_FMT_RGB8 && dstFormat != PIX_FMT_RGB8 - && srcFormat != PIX_FMT_BGR4 && dstFormat != PIX_FMT_BGR4 - && srcFormat != PIX_FMT_RGB4 && dstFormat != PIX_FMT_RGB4 - && srcFormat != PIX_FMT_BGR4_BYTE && dstFormat != PIX_FMT_BGR4_BYTE - && srcFormat != PIX_FMT_RGB4_BYTE && dstFormat != PIX_FMT_RGB4_BYTE - && srcFormat != PIX_FMT_MONOBLACK && dstFormat != PIX_FMT_MONOBLACK - && srcFormat != PIX_FMT_MONOWHITE && dstFormat != PIX_FMT_MONOWHITE - && dstFormat != PIX_FMT_RGB32_1 - && dstFormat != PIX_FMT_BGR32_1 - && (!needsDither || (c->flags&(SWS_FAST_BILINEAR|SWS_POINT)))) - c->swScale= rgb2rgbWrapper; - - if ((usePal(srcFormat) && ( - dstFormat == PIX_FMT_RGB32 || - dstFormat == PIX_FMT_RGB32_1 || - dstFormat == PIX_FMT_RGB24 || - dstFormat == PIX_FMT_BGR32 || - dstFormat == PIX_FMT_BGR32_1 || - dstFormat == PIX_FMT_BGR24))) - c->swScale= pal2rgbWrapper; - - if (srcFormat == PIX_FMT_YUV422P) - { - if (dstFormat == PIX_FMT_YUYV422) - c->swScale= YUV422PToYuy2Wrapper; - else if (dstFormat == PIX_FMT_UYVY422) - c->swScale= YUV422PToUyvyWrapper; - } - - /* LQ converters if -sws 0 or -sws 4*/ - if (c->flags&(SWS_FAST_BILINEAR|SWS_POINT)){ - /* yv12_to_yuy2 */ - if (srcFormat == PIX_FMT_YUV420P || srcFormat == PIX_FMT_YUVA420P) - { - if (dstFormat == PIX_FMT_YUYV422) - c->swScale= PlanarToYuy2Wrapper; - else if (dstFormat == PIX_FMT_UYVY422) - c->swScale= PlanarToUyvyWrapper; - } - } - -#ifdef COMPILE_ALTIVEC - if ((c->flags & SWS_CPU_CAPS_ALTIVEC) && - !(c->flags & SWS_BITEXACT) && - srcFormat == PIX_FMT_YUV420P) { - // unscaled YV12 -> packed YUV, we want speed - if (dstFormat == PIX_FMT_YUYV422) - c->swScale= yv12toyuy2_unscaled_altivec; - else if (dstFormat == PIX_FMT_UYVY422) - c->swScale= yv12touyvy_unscaled_altivec; - } -#endif - - /* simple copy */ - if ( srcFormat == dstFormat - || (srcFormat == PIX_FMT_YUVA420P && dstFormat == PIX_FMT_YUV420P) - || (isPlanarYUV(srcFormat) && isGray(dstFormat)) - || (isPlanarYUV(dstFormat) && isGray(srcFormat))) - { - if (isPacked(c->srcFormat)) - c->swScale= packedCopy; - else /* Planar YUV or gray */ - c->swScale= planarCopy; - } - - /* gray16{le,be} conversions */ - if (isGray16(srcFormat) && (isPlanarYUV(dstFormat) || (dstFormat == PIX_FMT_GRAY8))) - { - c->swScale= gray16togray; - } - if ((isPlanarYUV(srcFormat) || (srcFormat == PIX_FMT_GRAY8)) && isGray16(dstFormat)) - { - c->swScale= graytogray16; - } - if (srcFormat != dstFormat && isGray16(srcFormat) && isGray16(dstFormat)) - { - c->swScale= gray16swap; - } - -#if ARCH_BFIN - if (flags & SWS_CPU_CAPS_BFIN) - ff_bfin_get_unscaled_swscale (c); -#endif - - if (c->swScale){ - if (flags&SWS_PRINT_INFO) - av_log(c, AV_LOG_INFO, "using unscaled %s -> %s special converter\n", - sws_format_name(srcFormat), sws_format_name(dstFormat)); - return c; - } - } - - if (flags & SWS_CPU_CAPS_MMX2) - { - c->canMMX2BeUsed= (dstW >=srcW && (dstW&31)==0 && (srcW&15)==0) ? 1 : 0; - if (!c->canMMX2BeUsed && dstW >=srcW && (srcW&15)==0 && (flags&SWS_FAST_BILINEAR)) - { - if (flags&SWS_PRINT_INFO) - av_log(c, AV_LOG_INFO, "output width is not a multiple of 32 -> no MMX2 scaler\n"); - } - if (usesHFilter) c->canMMX2BeUsed=0; - } - else - c->canMMX2BeUsed=0; - - c->chrXInc= ((c->chrSrcW<<16) + (c->chrDstW>>1))/c->chrDstW; - c->chrYInc= ((c->chrSrcH<<16) + (c->chrDstH>>1))/c->chrDstH; - - // match pixel 0 of the src to pixel 0 of dst and match pixel n-2 of src to pixel n-2 of dst - // but only for the FAST_BILINEAR mode otherwise do correct scaling - // n-2 is the last chrominance sample available - // this is not perfect, but no one should notice the difference, the more correct variant - // would be like the vertical one, but that would require some special code for the - // first and last pixel - if (flags&SWS_FAST_BILINEAR) - { - if (c->canMMX2BeUsed) - { - c->lumXInc+= 20; - c->chrXInc+= 20; - } - //we don't use the x86 asm scaler if MMX is available - else if (flags & SWS_CPU_CAPS_MMX) - { - c->lumXInc = ((srcW-2)<<16)/(dstW-2) - 20; - c->chrXInc = ((c->chrSrcW-2)<<16)/(c->chrDstW-2) - 20; - } - } - - /* precalculate horizontal scaler filter coefficients */ - { - const int filterAlign= - (flags & SWS_CPU_CAPS_MMX) ? 4 : - (flags & SWS_CPU_CAPS_ALTIVEC) ? 8 : - 1; - - initFilter(&c->hLumFilter, &c->hLumFilterPos, &c->hLumFilterSize, c->lumXInc, - srcW , dstW, filterAlign, 1<<14, - (flags&SWS_BICUBLIN) ? (flags|SWS_BICUBIC) : flags, - srcFilter->lumH, dstFilter->lumH, c->param); - initFilter(&c->hChrFilter, &c->hChrFilterPos, &c->hChrFilterSize, c->chrXInc, - c->chrSrcW, c->chrDstW, filterAlign, 1<<14, - (flags&SWS_BICUBLIN) ? (flags|SWS_BILINEAR) : flags, - srcFilter->chrH, dstFilter->chrH, c->param); - -#define MAX_FUNNY_CODE_SIZE 10000 -#if defined(COMPILE_MMX2) -// can't downscale !!! - if (c->canMMX2BeUsed && (flags & SWS_FAST_BILINEAR)) - { -#ifdef MAP_ANONYMOUS - c->funnyYCode = (uint8_t*)mmap(NULL, MAX_FUNNY_CODE_SIZE, PROT_EXEC | PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS, 0, 0); - c->funnyUVCode = (uint8_t*)mmap(NULL, MAX_FUNNY_CODE_SIZE, PROT_EXEC | PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS, 0, 0); -#else - c->funnyYCode = av_malloc(MAX_FUNNY_CODE_SIZE); - c->funnyUVCode = av_malloc(MAX_FUNNY_CODE_SIZE); -#endif - - c->lumMmx2Filter = av_malloc((dstW /8+8)*sizeof(int16_t)); - c->chrMmx2Filter = av_malloc((c->chrDstW /4+8)*sizeof(int16_t)); - c->lumMmx2FilterPos= av_malloc((dstW /2/8+8)*sizeof(int32_t)); - c->chrMmx2FilterPos= av_malloc((c->chrDstW/2/4+8)*sizeof(int32_t)); - - initMMX2HScaler( dstW, c->lumXInc, c->funnyYCode , c->lumMmx2Filter, c->lumMmx2FilterPos, 8); - initMMX2HScaler(c->chrDstW, c->chrXInc, c->funnyUVCode, c->chrMmx2Filter, c->chrMmx2FilterPos, 4); - } -#endif /* defined(COMPILE_MMX2) */ - } // initialize horizontal stuff - - - - /* precalculate vertical scaler filter coefficients */ - { - const int filterAlign= - (flags & SWS_CPU_CAPS_MMX) && (flags & SWS_ACCURATE_RND) ? 2 : - (flags & SWS_CPU_CAPS_ALTIVEC) ? 8 : - 1; - - initFilter(&c->vLumFilter, &c->vLumFilterPos, &c->vLumFilterSize, c->lumYInc, - srcH , dstH, filterAlign, (1<<12), - (flags&SWS_BICUBLIN) ? (flags|SWS_BICUBIC) : flags, - srcFilter->lumV, dstFilter->lumV, c->param); - initFilter(&c->vChrFilter, &c->vChrFilterPos, &c->vChrFilterSize, c->chrYInc, - c->chrSrcH, c->chrDstH, filterAlign, (1<<12), - (flags&SWS_BICUBLIN) ? (flags|SWS_BILINEAR) : flags, - srcFilter->chrV, dstFilter->chrV, c->param); - -#if HAVE_ALTIVEC - c->vYCoeffsBank = av_malloc(sizeof (vector signed short)*c->vLumFilterSize*c->dstH); - c->vCCoeffsBank = av_malloc(sizeof (vector signed short)*c->vChrFilterSize*c->chrDstH); - - for (i=0;i<c->vLumFilterSize*c->dstH;i++) { - int j; - short *p = (short *)&c->vYCoeffsBank[i]; - for (j=0;j<8;j++) - p[j] = c->vLumFilter[i]; - } - - for (i=0;i<c->vChrFilterSize*c->chrDstH;i++) { - int j; - short *p = (short *)&c->vCCoeffsBank[i]; - for (j=0;j<8;j++) - p[j] = c->vChrFilter[i]; - } -#endif - } - - // calculate buffer sizes so that they won't run out while handling these damn slices - c->vLumBufSize= c->vLumFilterSize; - c->vChrBufSize= c->vChrFilterSize; - for (i=0; i<dstH; i++) - { - int chrI= i*c->chrDstH / dstH; - int nextSlice= FFMAX(c->vLumFilterPos[i ] + c->vLumFilterSize - 1, - ((c->vChrFilterPos[chrI] + c->vChrFilterSize - 1)<<c->chrSrcVSubSample)); - - nextSlice>>= c->chrSrcVSubSample; - nextSlice<<= c->chrSrcVSubSample; - if (c->vLumFilterPos[i ] + c->vLumBufSize < nextSlice) - c->vLumBufSize= nextSlice - c->vLumFilterPos[i]; - if (c->vChrFilterPos[chrI] + c->vChrBufSize < (nextSlice>>c->chrSrcVSubSample)) - c->vChrBufSize= (nextSlice>>c->chrSrcVSubSample) - c->vChrFilterPos[chrI]; - } - - // allocate pixbufs (we use dynamic allocation because otherwise we would need to - c->lumPixBuf= av_malloc(c->vLumBufSize*2*sizeof(int16_t*)); - c->chrPixBuf= av_malloc(c->vChrBufSize*2*sizeof(int16_t*)); - //Note we need at least one pixel more at the end because of the MMX code (just in case someone wanna replace the 4000/8000) - /* align at 16 bytes for AltiVec */ - for (i=0; i<c->vLumBufSize; i++) - c->lumPixBuf[i]= c->lumPixBuf[i+c->vLumBufSize]= av_mallocz(VOF+1); - for (i=0; i<c->vChrBufSize; i++) - c->chrPixBuf[i]= c->chrPixBuf[i+c->vChrBufSize]= av_malloc((VOF+1)*2); - - //try to avoid drawing green stuff between the right end and the stride end - for (i=0; i<c->vChrBufSize; i++) memset(c->chrPixBuf[i], 64, (VOF+1)*2); - - assert(2*VOFW == VOF); - - assert(c->chrDstH <= dstH); - - if (flags&SWS_PRINT_INFO) - { -#ifdef DITHER1XBPP - const char *dither= " dithered"; -#else - const char *dither= ""; -#endif - if (flags&SWS_FAST_BILINEAR) - av_log(c, AV_LOG_INFO, "FAST_BILINEAR scaler, "); - else if (flags&SWS_BILINEAR) - av_log(c, AV_LOG_INFO, "BILINEAR scaler, "); - else if (flags&SWS_BICUBIC) - av_log(c, AV_LOG_INFO, "BICUBIC scaler, "); - else if (flags&SWS_X) - av_log(c, AV_LOG_INFO, "Experimental scaler, "); - else if (flags&SWS_POINT) - av_log(c, AV_LOG_INFO, "Nearest Neighbor / POINT scaler, "); - else if (flags&SWS_AREA) - av_log(c, AV_LOG_INFO, "Area Averageing scaler, "); - else if (flags&SWS_BICUBLIN) - av_log(c, AV_LOG_INFO, "luma BICUBIC / chroma BILINEAR scaler, "); - else if (flags&SWS_GAUSS) - av_log(c, AV_LOG_INFO, "Gaussian scaler, "); - else if (flags&SWS_SINC) - av_log(c, AV_LOG_INFO, "Sinc scaler, "); - else if (flags&SWS_LANCZOS) - av_log(c, AV_LOG_INFO, "Lanczos scaler, "); - else if (flags&SWS_SPLINE) - av_log(c, AV_LOG_INFO, "Bicubic spline scaler, "); - else - av_log(c, AV_LOG_INFO, "ehh flags invalid?! "); - - if (dstFormat==PIX_FMT_BGR555 || dstFormat==PIX_FMT_BGR565) - av_log(c, AV_LOG_INFO, "from %s to%s %s ", - sws_format_name(srcFormat), dither, sws_format_name(dstFormat)); - else - av_log(c, AV_LOG_INFO, "from %s to %s ", - sws_format_name(srcFormat), sws_format_name(dstFormat)); - - if (flags & SWS_CPU_CAPS_MMX2) - av_log(c, AV_LOG_INFO, "using MMX2\n"); - else if (flags & SWS_CPU_CAPS_3DNOW) - av_log(c, AV_LOG_INFO, "using 3DNOW\n"); - else if (flags & SWS_CPU_CAPS_MMX) - av_log(c, AV_LOG_INFO, "using MMX\n"); - else if (flags & SWS_CPU_CAPS_ALTIVEC) - av_log(c, AV_LOG_INFO, "using AltiVec\n"); - else - av_log(c, AV_LOG_INFO, "using C\n"); - } - - if (flags & SWS_PRINT_INFO) - { - if (flags & SWS_CPU_CAPS_MMX) - { - if (c->canMMX2BeUsed && (flags&SWS_FAST_BILINEAR)) - av_log(c, AV_LOG_VERBOSE, "using FAST_BILINEAR MMX2 scaler for horizontal scaling\n"); - else - { - if (c->hLumFilterSize==4) - av_log(c, AV_LOG_VERBOSE, "using 4-tap MMX scaler for horizontal luminance scaling\n"); - else if (c->hLumFilterSize==8) - av_log(c, AV_LOG_VERBOSE, "using 8-tap MMX scaler for horizontal luminance scaling\n"); - else - av_log(c, AV_LOG_VERBOSE, "using n-tap MMX scaler for horizontal luminance scaling\n"); - - if (c->hChrFilterSize==4) - av_log(c, AV_LOG_VERBOSE, "using 4-tap MMX scaler for horizontal chrominance scaling\n"); - else if (c->hChrFilterSize==8) - av_log(c, AV_LOG_VERBOSE, "using 8-tap MMX scaler for horizontal chrominance scaling\n"); - else - av_log(c, AV_LOG_VERBOSE, "using n-tap MMX scaler for horizontal chrominance scaling\n"); - } - } - else - { -#if ARCH_X86 - av_log(c, AV_LOG_VERBOSE, "using x86 asm scaler for horizontal scaling\n"); -#else - if (flags & SWS_FAST_BILINEAR) - av_log(c, AV_LOG_VERBOSE, "using FAST_BILINEAR C scaler for horizontal scaling\n"); - else - av_log(c, AV_LOG_VERBOSE, "using C scaler for horizontal scaling\n"); -#endif - } - if (isPlanarYUV(dstFormat)) - { - if (c->vLumFilterSize==1) - av_log(c, AV_LOG_VERBOSE, "using 1-tap %s \"scaler\" for vertical scaling (YV12 like)\n", (flags & SWS_CPU_CAPS_MMX) ? "MMX" : "C"); - else - av_log(c, AV_LOG_VERBOSE, "using n-tap %s scaler for vertical scaling (YV12 like)\n", (flags & SWS_CPU_CAPS_MMX) ? "MMX" : "C"); - } - else - { - if (c->vLumFilterSize==1 && c->vChrFilterSize==2) - av_log(c, AV_LOG_VERBOSE, "using 1-tap %s \"scaler\" for vertical luminance scaling (BGR)\n" - " 2-tap scaler for vertical chrominance scaling (BGR)\n", (flags & SWS_CPU_CAPS_MMX) ? "MMX" : "C"); - else if (c->vLumFilterSize==2 && c->vChrFilterSize==2) - av_log(c, AV_LOG_VERBOSE, "using 2-tap linear %s scaler for vertical scaling (BGR)\n", (flags & SWS_CPU_CAPS_MMX) ? "MMX" : "C"); - else - av_log(c, AV_LOG_VERBOSE, "using n-tap %s scaler for vertical scaling (BGR)\n", (flags & SWS_CPU_CAPS_MMX) ? "MMX" : "C"); - } - - if (dstFormat==PIX_FMT_BGR24) - av_log(c, AV_LOG_VERBOSE, "using %s YV12->BGR24 converter\n", - (flags & SWS_CPU_CAPS_MMX2) ? "MMX2" : ((flags & SWS_CPU_CAPS_MMX) ? "MMX" : "C")); - else if (dstFormat==PIX_FMT_RGB32) - av_log(c, AV_LOG_VERBOSE, "using %s YV12->BGR32 converter\n", (flags & SWS_CPU_CAPS_MMX) ? "MMX" : "C"); - else if (dstFormat==PIX_FMT_BGR565) - av_log(c, AV_LOG_VERBOSE, "using %s YV12->BGR16 converter\n", (flags & SWS_CPU_CAPS_MMX) ? "MMX" : "C"); - else if (dstFormat==PIX_FMT_BGR555) - av_log(c, AV_LOG_VERBOSE, "using %s YV12->BGR15 converter\n", (flags & SWS_CPU_CAPS_MMX) ? "MMX" : "C"); - - av_log(c, AV_LOG_VERBOSE, "%dx%d -> %dx%d\n", srcW, srcH, dstW, dstH); - } - if (flags & SWS_PRINT_INFO) - { - av_log(c, AV_LOG_DEBUG, "lum srcW=%d srcH=%d dstW=%d dstH=%d xInc=%d yInc=%d\n", - c->srcW, c->srcH, c->dstW, c->dstH, c->lumXInc, c->lumYInc); - av_log(c, AV_LOG_DEBUG, "chr srcW=%d srcH=%d dstW=%d dstH=%d xInc=%d yInc=%d\n", - c->chrSrcW, c->chrSrcH, c->chrDstW, c->chrDstH, c->chrXInc, c->chrYInc); - } - - c->swScale= getSwsFunc(flags); - return c; -} - -/** - * swscale wrapper, so we don't need to export the SwsContext. - * Assumes planar YUV to be in YUV order instead of YVU. - */ -int sws_scale(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, - int srcSliceH, uint8_t* dst[], int dstStride[]){ - int i; - uint8_t* src2[4]= {src[0], src[1], src[2]}; - - if (c->sliceDir == 0 && srcSliceY != 0 && srcSliceY + srcSliceH != c->srcH) { - av_log(c, AV_LOG_ERROR, "Slices start in the middle!\n"); - return 0; - } - if (c->sliceDir == 0) { - if (srcSliceY == 0) c->sliceDir = 1; else c->sliceDir = -1; - } - - if (usePal(c->srcFormat)){ - for (i=0; i<256; i++){ - int p, r, g, b,y,u,v; - if(c->srcFormat == PIX_FMT_PAL8){ - p=((uint32_t*)(src[1]))[i]; - r= (p>>16)&0xFF; - g= (p>> 8)&0xFF; - b= p &0xFF; - }else if(c->srcFormat == PIX_FMT_RGB8){ - r= (i>>5 )*36; - g= ((i>>2)&7)*36; - b= (i&3 )*85; - }else if(c->srcFormat == PIX_FMT_BGR8){ - b= (i>>6 )*85; - g= ((i>>3)&7)*36; - r= (i&7 )*36; - }else if(c->srcFormat == PIX_FMT_RGB4_BYTE){ - r= (i>>3 )*255; - g= ((i>>1)&3)*85; - b= (i&1 )*255; - }else { - assert(c->srcFormat == PIX_FMT_BGR4_BYTE); - b= (i>>3 )*255; - g= ((i>>1)&3)*85; - r= (i&1 )*255; - } - y= av_clip_uint8((RY*r + GY*g + BY*b + ( 33<<(RGB2YUV_SHIFT-1)))>>RGB2YUV_SHIFT); - u= av_clip_uint8((RU*r + GU*g + BU*b + (257<<(RGB2YUV_SHIFT-1)))>>RGB2YUV_SHIFT); - v= av_clip_uint8((RV*r + GV*g + BV*b + (257<<(RGB2YUV_SHIFT-1)))>>RGB2YUV_SHIFT); - c->pal_yuv[i]= y + (u<<8) + (v<<16); - - - switch(c->dstFormat) { - case PIX_FMT_BGR32: -#ifndef WORDS_BIGENDIAN - case PIX_FMT_RGB24: -#endif - c->pal_rgb[i]= r + (g<<8) + (b<<16); - break; - case PIX_FMT_BGR32_1: -#ifdef WORDS_BIGENDIAN - case PIX_FMT_BGR24: -#endif - c->pal_rgb[i]= (r + (g<<8) + (b<<16)) << 8; - break; - case PIX_FMT_RGB32_1: -#ifdef WORDS_BIGENDIAN - case PIX_FMT_RGB24: -#endif - c->pal_rgb[i]= (b + (g<<8) + (r<<16)) << 8; - break; - case PIX_FMT_RGB32: -#ifndef WORDS_BIGENDIAN - case PIX_FMT_BGR24: -#endif - default: - c->pal_rgb[i]= b + (g<<8) + (r<<16); - } - } - } - - // copy strides, so they can safely be modified - if (c->sliceDir == 1) { - // slices go from top to bottom - int srcStride2[4]= {srcStride[0], srcStride[1], srcStride[2]}; - int dstStride2[4]= {dstStride[0], dstStride[1], dstStride[2]}; - return c->swScale(c, src2, srcStride2, srcSliceY, srcSliceH, dst, dstStride2); - } else { - // slices go from bottom to top => we flip the image internally - uint8_t* dst2[4]= {dst[0] + (c->dstH-1)*dstStride[0], - dst[1] + ((c->dstH>>c->chrDstVSubSample)-1)*dstStride[1], - dst[2] + ((c->dstH>>c->chrDstVSubSample)-1)*dstStride[2]}; - int srcStride2[4]= {-srcStride[0], -srcStride[1], -srcStride[2]}; - int dstStride2[4]= {-dstStride[0], -dstStride[1], -dstStride[2]}; - - src2[0] += (srcSliceH-1)*srcStride[0]; - if (!usePal(c->srcFormat)) - src2[1] += ((srcSliceH>>c->chrSrcVSubSample)-1)*srcStride[1]; - src2[2] += ((srcSliceH>>c->chrSrcVSubSample)-1)*srcStride[2]; - - return c->swScale(c, src2, srcStride2, c->srcH-srcSliceY-srcSliceH, srcSliceH, dst2, dstStride2); - } -} - -#if LIBSWSCALE_VERSION_MAJOR < 1 -int sws_scale_ordered(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, - int srcSliceH, uint8_t* dst[], int dstStride[]){ - return sws_scale(c, src, srcStride, srcSliceY, srcSliceH, dst, dstStride); -} -#endif - -SwsFilter *sws_getDefaultFilter(float lumaGBlur, float chromaGBlur, - float lumaSharpen, float chromaSharpen, - float chromaHShift, float chromaVShift, - int verbose) -{ - SwsFilter *filter= av_malloc(sizeof(SwsFilter)); - - if (lumaGBlur!=0.0){ - filter->lumH= sws_getGaussianVec(lumaGBlur, 3.0); - filter->lumV= sws_getGaussianVec(lumaGBlur, 3.0); - }else{ - filter->lumH= sws_getIdentityVec(); - filter->lumV= sws_getIdentityVec(); - } - - if (chromaGBlur!=0.0){ - filter->chrH= sws_getGaussianVec(chromaGBlur, 3.0); - filter->chrV= sws_getGaussianVec(chromaGBlur, 3.0); - }else{ - filter->chrH= sws_getIdentityVec(); - filter->chrV= sws_getIdentityVec(); - } - - if (chromaSharpen!=0.0){ - SwsVector *id= sws_getIdentityVec(); - sws_scaleVec(filter->chrH, -chromaSharpen); - sws_scaleVec(filter->chrV, -chromaSharpen); - sws_addVec(filter->chrH, id); - sws_addVec(filter->chrV, id); - sws_freeVec(id); - } - - if (lumaSharpen!=0.0){ - SwsVector *id= sws_getIdentityVec(); - sws_scaleVec(filter->lumH, -lumaSharpen); - sws_scaleVec(filter->lumV, -lumaSharpen); - sws_addVec(filter->lumH, id); - sws_addVec(filter->lumV, id); - sws_freeVec(id); - } - - if (chromaHShift != 0.0) - sws_shiftVec(filter->chrH, (int)(chromaHShift+0.5)); - - if (chromaVShift != 0.0) - sws_shiftVec(filter->chrV, (int)(chromaVShift+0.5)); - - sws_normalizeVec(filter->chrH, 1.0); - sws_normalizeVec(filter->chrV, 1.0); - sws_normalizeVec(filter->lumH, 1.0); - sws_normalizeVec(filter->lumV, 1.0); - - if (verbose) sws_printVec2(filter->chrH, NULL, AV_LOG_DEBUG); - if (verbose) sws_printVec2(filter->lumH, NULL, AV_LOG_DEBUG); - - return filter; -} - -SwsVector *sws_getGaussianVec(double variance, double quality){ - const int length= (int)(variance*quality + 0.5) | 1; - int i; - double *coeff= av_malloc(length*sizeof(double)); - double middle= (length-1)*0.5; - SwsVector *vec= av_malloc(sizeof(SwsVector)); - - vec->coeff= coeff; - vec->length= length; - - for (i=0; i<length; i++) - { - double dist= i-middle; - coeff[i]= exp(-dist*dist/(2*variance*variance)) / sqrt(2*variance*PI); - } - - sws_normalizeVec(vec, 1.0); - - return vec; -} - -SwsVector *sws_getConstVec(double c, int length){ - int i; - double *coeff= av_malloc(length*sizeof(double)); - SwsVector *vec= av_malloc(sizeof(SwsVector)); - - vec->coeff= coeff; - vec->length= length; - - for (i=0; i<length; i++) - coeff[i]= c; - - return vec; -} - - -SwsVector *sws_getIdentityVec(void){ - return sws_getConstVec(1.0, 1); -} - -double sws_dcVec(SwsVector *a){ - int i; - double sum=0; - - for (i=0; i<a->length; i++) - sum+= a->coeff[i]; - - return sum; -} - -void sws_scaleVec(SwsVector *a, double scalar){ - int i; - - for (i=0; i<a->length; i++) - a->coeff[i]*= scalar; -} - -void sws_normalizeVec(SwsVector *a, double height){ - sws_scaleVec(a, height/sws_dcVec(a)); -} - -static SwsVector *sws_getConvVec(SwsVector *a, SwsVector *b){ - int length= a->length + b->length - 1; - double *coeff= av_malloc(length*sizeof(double)); - int i, j; - SwsVector *vec= av_malloc(sizeof(SwsVector)); - - vec->coeff= coeff; - vec->length= length; - - for (i=0; i<length; i++) coeff[i]= 0.0; - - for (i=0; i<a->length; i++) - { - for (j=0; j<b->length; j++) - { - coeff[i+j]+= a->coeff[i]*b->coeff[j]; - } - } - - return vec; -} - -static SwsVector *sws_sumVec(SwsVector *a, SwsVector *b){ - int length= FFMAX(a->length, b->length); - double *coeff= av_malloc(length*sizeof(double)); - int i; - SwsVector *vec= av_malloc(sizeof(SwsVector)); - - vec->coeff= coeff; - vec->length= length; - - for (i=0; i<length; i++) coeff[i]= 0.0; - - for (i=0; i<a->length; i++) coeff[i + (length-1)/2 - (a->length-1)/2]+= a->coeff[i]; - for (i=0; i<b->length; i++) coeff[i + (length-1)/2 - (b->length-1)/2]+= b->coeff[i]; - - return vec; -} - -static SwsVector *sws_diffVec(SwsVector *a, SwsVector *b){ - int length= FFMAX(a->length, b->length); - double *coeff= av_malloc(length*sizeof(double)); - int i; - SwsVector *vec= av_malloc(sizeof(SwsVector)); - - vec->coeff= coeff; - vec->length= length; - - for (i=0; i<length; i++) coeff[i]= 0.0; - - for (i=0; i<a->length; i++) coeff[i + (length-1)/2 - (a->length-1)/2]+= a->coeff[i]; - for (i=0; i<b->length; i++) coeff[i + (length-1)/2 - (b->length-1)/2]-= b->coeff[i]; - - return vec; -} - -/* shift left / or right if "shift" is negative */ -static SwsVector *sws_getShiftedVec(SwsVector *a, int shift){ - int length= a->length + FFABS(shift)*2; - double *coeff= av_malloc(length*sizeof(double)); - int i; - SwsVector *vec= av_malloc(sizeof(SwsVector)); - - vec->coeff= coeff; - vec->length= length; - - for (i=0; i<length; i++) coeff[i]= 0.0; - - for (i=0; i<a->length; i++) - { - coeff[i + (length-1)/2 - (a->length-1)/2 - shift]= a->coeff[i]; - } - - return vec; -} - -void sws_shiftVec(SwsVector *a, int shift){ - SwsVector *shifted= sws_getShiftedVec(a, shift); - av_free(a->coeff); - a->coeff= shifted->coeff; - a->length= shifted->length; - av_free(shifted); -} - -void sws_addVec(SwsVector *a, SwsVector *b){ - SwsVector *sum= sws_sumVec(a, b); - av_free(a->coeff); - a->coeff= sum->coeff; - a->length= sum->length; - av_free(sum); -} - -void sws_subVec(SwsVector *a, SwsVector *b){ - SwsVector *diff= sws_diffVec(a, b); - av_free(a->coeff); - a->coeff= diff->coeff; - a->length= diff->length; - av_free(diff); -} - -void sws_convVec(SwsVector *a, SwsVector *b){ - SwsVector *conv= sws_getConvVec(a, b); - av_free(a->coeff); - a->coeff= conv->coeff; - a->length= conv->length; - av_free(conv); -} - -SwsVector *sws_cloneVec(SwsVector *a){ - double *coeff= av_malloc(a->length*sizeof(double)); - int i; - SwsVector *vec= av_malloc(sizeof(SwsVector)); - - vec->coeff= coeff; - vec->length= a->length; - - for (i=0; i<a->length; i++) coeff[i]= a->coeff[i]; - - return vec; -} - -void sws_printVec2(SwsVector *a, AVClass *log_ctx, int log_level){ - int i; - double max=0; - double min=0; - double range; - - for (i=0; i<a->length; i++) - if (a->coeff[i]>max) max= a->coeff[i]; - - for (i=0; i<a->length; i++) - if (a->coeff[i]<min) min= a->coeff[i]; - - range= max - min; - - for (i=0; i<a->length; i++) - { - int x= (int)((a->coeff[i]-min)*60.0/range +0.5); - av_log(log_ctx, log_level, "%1.3f ", a->coeff[i]); - for (;x>0; x--) av_log(log_ctx, log_level, " "); - av_log(log_ctx, log_level, "|\n"); - } -} - -#if LIBSWSCALE_VERSION_MAJOR < 1 -void sws_printVec(SwsVector *a){ - sws_printVec2(a, NULL, AV_LOG_DEBUG); -} -#endif - -void sws_freeVec(SwsVector *a){ - if (!a) return; - av_freep(&a->coeff); - a->length=0; - av_free(a); -} - -void sws_freeFilter(SwsFilter *filter){ - if (!filter) return; - - if (filter->lumH) sws_freeVec(filter->lumH); - if (filter->lumV) sws_freeVec(filter->lumV); - if (filter->chrH) sws_freeVec(filter->chrH); - if (filter->chrV) sws_freeVec(filter->chrV); - av_free(filter); -} - - -void sws_freeContext(SwsContext *c){ - int i; - if (!c) return; - - if (c->lumPixBuf) - { - for (i=0; i<c->vLumBufSize; i++) - av_freep(&c->lumPixBuf[i]); - av_freep(&c->lumPixBuf); - } - - if (c->chrPixBuf) - { - for (i=0; i<c->vChrBufSize; i++) - av_freep(&c->chrPixBuf[i]); - av_freep(&c->chrPixBuf); - } - - av_freep(&c->vLumFilter); - av_freep(&c->vChrFilter); - av_freep(&c->hLumFilter); - av_freep(&c->hChrFilter); -#if HAVE_ALTIVEC - av_freep(&c->vYCoeffsBank); - av_freep(&c->vCCoeffsBank); -#endif - - av_freep(&c->vLumFilterPos); - av_freep(&c->vChrFilterPos); - av_freep(&c->hLumFilterPos); - av_freep(&c->hChrFilterPos); - -#if ARCH_X86 && CONFIG_GPL -#ifdef MAP_ANONYMOUS - if (c->funnyYCode) munmap(c->funnyYCode, MAX_FUNNY_CODE_SIZE); - if (c->funnyUVCode) munmap(c->funnyUVCode, MAX_FUNNY_CODE_SIZE); -#else - av_free(c->funnyYCode); - av_free(c->funnyUVCode); -#endif - c->funnyYCode=NULL; - c->funnyUVCode=NULL; -#endif /* ARCH_X86 && CONFIG_GPL */ - - av_freep(&c->lumMmx2Filter); - av_freep(&c->chrMmx2Filter); - av_freep(&c->lumMmx2FilterPos); - av_freep(&c->chrMmx2FilterPos); - av_freep(&c->yuvTable); - - av_free(c); -} - -struct SwsContext *sws_getCachedContext(struct SwsContext *context, - int srcW, int srcH, enum PixelFormat srcFormat, - int dstW, int dstH, enum PixelFormat dstFormat, int flags, - SwsFilter *srcFilter, SwsFilter *dstFilter, double *param) -{ - static const double default_param[2] = {SWS_PARAM_DEFAULT, SWS_PARAM_DEFAULT}; - - if (!param) - param = default_param; - - if (context) { - if (context->srcW != srcW || context->srcH != srcH || - context->srcFormat != srcFormat || - context->dstW != dstW || context->dstH != dstH || - context->dstFormat != dstFormat || context->flags != flags || - context->param[0] != param[0] || context->param[1] != param[1]) - { - sws_freeContext(context); - context = NULL; - } - } - if (!context) { - return sws_getContext(srcW, srcH, srcFormat, - dstW, dstH, dstFormat, flags, - srcFilter, dstFilter, param); - } - return context; -} - |