| /* |
| * 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 Lesser General Public |
| * License as published by the Free Software Foundation; either |
| * version 2.1 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 |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser 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 |
| */ |
| |
| #ifndef SWSCALE_SWSCALE_INTERNAL_H |
| #define SWSCALE_SWSCALE_INTERNAL_H |
| |
| #include "config.h" |
| |
| #if HAVE_ALTIVEC_H |
| #include <altivec.h> |
| #endif |
| |
| #include "libavutil/avutil.h" |
| |
| #define STR(s) AV_TOSTRING(s) //AV_STRINGIFY is too long |
| |
| #define FAST_BGR2YV12 //use 7-bit instead of 15-bit coefficients |
| |
| #define MAX_FILTER_SIZE 256 |
| |
| #define DITHER1XBPP |
| |
| #if HAVE_BIGENDIAN |
| #define ALT32_CORR (-1) |
| #else |
| #define ALT32_CORR 1 |
| #endif |
| |
| #if ARCH_X86_64 |
| # define APCK_PTR2 8 |
| # define APCK_COEF 16 |
| # define APCK_SIZE 24 |
| #else |
| # define APCK_PTR2 4 |
| # define APCK_COEF 8 |
| # define APCK_SIZE 16 |
| #endif |
| |
| struct SwsContext; |
| |
| typedef int (*SwsFunc)(struct SwsContext *context, const uint8_t* src[], |
| int srcStride[], int srcSliceY, int srcSliceH, |
| uint8_t* dst[], int dstStride[]); |
| |
| typedef void (*yuv2planar1_fn) (struct SwsContext *c, |
| const int16_t *lumSrc, const int16_t *chrUSrc, |
| const int16_t *chrVSrc, const int16_t *alpSrc, |
| uint8_t *dest, |
| uint8_t *uDest, uint8_t *vDest, uint8_t *aDest, |
| int dstW, int chrDstW, const uint8_t *lumDither, const uint8_t *chrDither); |
| typedef void (*yuv2planarX_fn) (struct SwsContext *c, |
| const int16_t *lumFilter, const int16_t **lumSrc, int lumFilterSize, |
| const int16_t *chrFilter, const int16_t **chrUSrc, |
| const int16_t **chrVSrc, int chrFilterSize, |
| const int16_t **alpSrc, |
| uint8_t *dest, |
| uint8_t *uDest, uint8_t *vDest, uint8_t *aDest, |
| int dstW, int chrDstW, const uint8_t *lumDither, const uint8_t *chrDither); |
| typedef void (*yuv2packed1_fn) (struct SwsContext *c, |
| const uint16_t *buf0, |
| const uint16_t *ubuf0, const uint16_t *ubuf1, |
| const uint16_t *vbuf0, const uint16_t *vbuf1, |
| const uint16_t *abuf0, |
| uint8_t *dest, |
| int dstW, int uvalpha, int dstFormat, int flags, int y); |
| typedef void (*yuv2packed2_fn) (struct SwsContext *c, |
| const uint16_t *buf0, const uint16_t *buf1, |
| const uint16_t *ubuf0, const uint16_t *ubuf1, |
| const uint16_t *vbuf0, const uint16_t *vbuf1, |
| const uint16_t *abuf0, const uint16_t *abuf1, |
| uint8_t *dest, |
| int dstW, int yalpha, int uvalpha, int y); |
| typedef void (*yuv2packedX_fn) (struct SwsContext *c, |
| const int16_t *lumFilter, const int16_t **lumSrc, int lumFilterSize, |
| const int16_t *chrFilter, const int16_t **chrUSrc, |
| const int16_t **chrVSrc, int chrFilterSize, |
| const int16_t **alpSrc, uint8_t *dest, |
| int dstW, int dstY); |
| |
| /* This struct should be aligned on at least a 32-byte boundary. */ |
| typedef struct SwsContext { |
| /** |
| * info on struct for av_log |
| */ |
| const AVClass *av_class; |
| |
| /** |
| * Note that src, dst, srcStride, dstStride will be copied in the |
| * sws_scale() wrapper so they can be freely modified here. |
| */ |
| SwsFunc swScale; |
| int srcW; ///< Width of source luma/alpha planes. |
| int srcH; ///< Height of source luma/alpha planes. |
| int dstH; ///< Height of destination luma/alpha planes. |
| int chrSrcW; ///< Width of source chroma planes. |
| int chrSrcH; ///< Height of source chroma planes. |
| int chrDstW; ///< Width of destination chroma planes. |
| int chrDstH; ///< Height of destination chroma planes. |
| int lumXInc, chrXInc; |
| int lumYInc, chrYInc; |
| enum PixelFormat dstFormat; ///< Destination pixel format. |
| enum PixelFormat srcFormat; ///< Source pixel format. |
| int dstFormatBpp; ///< Number of bits per pixel of the destination pixel format. |
| int srcFormatBpp; ///< Number of bits per pixel of the source pixel format. |
| int chrSrcHSubSample; ///< Binary logarithm of horizontal subsampling factor between luma/alpha and chroma planes in source image. |
| int chrSrcVSubSample; ///< Binary logarithm of vertical subsampling factor between luma/alpha and chroma planes in source image. |
| int chrDstHSubSample; ///< Binary logarithm of horizontal subsampling factor between luma/alpha and chroma planes in destination image. |
| int chrDstVSubSample; ///< Binary logarithm of vertical subsampling factor between luma/alpha and chroma planes in destination image. |
| int vChrDrop; ///< Binary logarithm of extra vertical subsampling factor in source image chroma planes specified by user. |
| int sliceDir; ///< Direction that slices are fed to the scaler (1 = top-to-bottom, -1 = bottom-to-top). |
| double param[2]; ///< Input parameters for scaling algorithms that need them. |
| |
| uint32_t pal_yuv[256]; |
| uint32_t pal_rgb[256]; |
| |
| /** |
| * @name Scaled horizontal lines ring buffer. |
| * The horizontal scaler keeps just enough scaled lines in a ring buffer |
| * so they may be passed to the vertical scaler. The pointers to the |
| * allocated buffers for each line are duplicated in sequence in the ring |
| * buffer to simplify indexing and avoid wrapping around between lines |
| * inside the vertical scaler code. The wrapping is done before the |
| * vertical scaler is called. |
| */ |
| //@{ |
| int16_t **lumPixBuf; ///< Ring buffer for scaled horizontal luma plane lines to be fed to the vertical scaler. |
| int16_t **chrUPixBuf; ///< Ring buffer for scaled horizontal chroma plane lines to be fed to the vertical scaler. |
| int16_t **chrVPixBuf; ///< Ring buffer for scaled horizontal chroma plane lines to be fed to the vertical scaler. |
| int16_t **alpPixBuf; ///< Ring buffer for scaled horizontal alpha plane lines to be fed to the vertical scaler. |
| int vLumBufSize; ///< Number of vertical luma/alpha lines allocated in the ring buffer. |
| int vChrBufSize; ///< Number of vertical chroma lines allocated in the ring buffer. |
| int lastInLumBuf; ///< Last scaled horizontal luma/alpha line from source in the ring buffer. |
| int lastInChrBuf; ///< Last scaled horizontal chroma line from source in the ring buffer. |
| int lumBufIndex; ///< Index in ring buffer of the last scaled horizontal luma/alpha line from source. |
| int chrBufIndex; ///< Index in ring buffer of the last scaled horizontal chroma line from source. |
| //@} |
| |
| uint8_t *formatConvBuffer; |
| |
| /** |
| * @name Horizontal and vertical filters. |
| * To better understand the following fields, here is a pseudo-code of |
| * their usage in filtering a horizontal line: |
| * @code |
| * for (i = 0; i < width; i++) { |
| * dst[i] = 0; |
| * for (j = 0; j < filterSize; j++) |
| * dst[i] += src[ filterPos[i] + j ] * filter[ filterSize * i + j ]; |
| * dst[i] >>= FRAC_BITS; // The actual implementation is fixed-point. |
| * } |
| * @endcode |
| */ |
| //@{ |
| int16_t *hLumFilter; ///< Array of horizontal filter coefficients for luma/alpha planes. |
| int16_t *hChrFilter; ///< Array of horizontal filter coefficients for chroma planes. |
| int16_t *vLumFilter; ///< Array of vertical filter coefficients for luma/alpha planes. |
| int16_t *vChrFilter; ///< Array of vertical filter coefficients for chroma planes. |
| int16_t *hLumFilterPos; ///< Array of horizontal filter starting positions for each dst[i] for luma/alpha planes. |
| int16_t *hChrFilterPos; ///< Array of horizontal filter starting positions for each dst[i] for chroma planes. |
| int16_t *vLumFilterPos; ///< Array of vertical filter starting positions for each dst[i] for luma/alpha planes. |
| int16_t *vChrFilterPos; ///< Array of vertical filter starting positions for each dst[i] for chroma planes. |
| int hLumFilterSize; ///< Horizontal filter size for luma/alpha pixels. |
| int hChrFilterSize; ///< Horizontal filter size for chroma pixels. |
| int vLumFilterSize; ///< Vertical filter size for luma/alpha pixels. |
| int vChrFilterSize; ///< Vertical filter size for chroma pixels. |
| //@} |
| |
| int lumMmx2FilterCodeSize; ///< Runtime-generated MMX2 horizontal fast bilinear scaler code size for luma/alpha planes. |
| int chrMmx2FilterCodeSize; ///< Runtime-generated MMX2 horizontal fast bilinear scaler code size for chroma planes. |
| uint8_t *lumMmx2FilterCode; ///< Runtime-generated MMX2 horizontal fast bilinear scaler code for luma/alpha planes. |
| uint8_t *chrMmx2FilterCode; ///< Runtime-generated MMX2 horizontal fast bilinear scaler code for chroma planes. |
| |
| int canMMX2BeUsed; |
| |
| int dstY; ///< Last destination vertical line output from last slice. |
| int flags; ///< Flags passed by the user to select scaler algorithm, optimizations, subsampling, etc... |
| void * yuvTable; // pointer to the yuv->rgb table start so it can be freed() |
| uint8_t * table_rV[256]; |
| uint8_t * table_gU[256]; |
| int table_gV[256]; |
| uint8_t * table_bU[256]; |
| |
| //Colorspace stuff |
| int contrast, brightness, saturation; // for sws_getColorspaceDetails |
| int srcColorspaceTable[4]; |
| int dstColorspaceTable[4]; |
| int srcRange; ///< 0 = MPG YUV range, 1 = JPG YUV range (source image). |
| int dstRange; ///< 0 = MPG YUV range, 1 = JPG YUV range (destination image). |
| int yuv2rgb_y_offset; |
| int yuv2rgb_y_coeff; |
| int yuv2rgb_v2r_coeff; |
| int yuv2rgb_v2g_coeff; |
| int yuv2rgb_u2g_coeff; |
| int yuv2rgb_u2b_coeff; |
| |
| #define RED_DITHER "0*8" |
| #define GREEN_DITHER "1*8" |
| #define BLUE_DITHER "2*8" |
| #define Y_COEFF "3*8" |
| #define VR_COEFF "4*8" |
| #define UB_COEFF "5*8" |
| #define VG_COEFF "6*8" |
| #define UG_COEFF "7*8" |
| #define Y_OFFSET "8*8" |
| #define U_OFFSET "9*8" |
| #define V_OFFSET "10*8" |
| #define LUM_MMX_FILTER_OFFSET "11*8" |
| #define CHR_MMX_FILTER_OFFSET "11*8+4*4*256" |
| #define DSTW_OFFSET "11*8+4*4*256*2" //do not change, it is hardcoded in the ASM |
| #define ESP_OFFSET "11*8+4*4*256*2+8" |
| #define VROUNDER_OFFSET "11*8+4*4*256*2+16" |
| #define U_TEMP "11*8+4*4*256*2+24" |
| #define V_TEMP "11*8+4*4*256*2+32" |
| #define Y_TEMP "11*8+4*4*256*2+40" |
| #define ALP_MMX_FILTER_OFFSET "11*8+4*4*256*2+48" |
| #define UV_OFF "11*8+4*4*256*3+48" |
| #define UV_OFFx2 "11*8+4*4*256*3+56" |
| #define DITHER16 "11*8+4*4*256*3+64" |
| #define DITHER32 "11*8+4*4*256*3+64+16" |
| |
| DECLARE_ALIGNED(8, uint64_t, redDither); |
| DECLARE_ALIGNED(8, uint64_t, greenDither); |
| DECLARE_ALIGNED(8, uint64_t, blueDither); |
| |
| DECLARE_ALIGNED(8, uint64_t, yCoeff); |
| DECLARE_ALIGNED(8, uint64_t, vrCoeff); |
| DECLARE_ALIGNED(8, uint64_t, ubCoeff); |
| DECLARE_ALIGNED(8, uint64_t, vgCoeff); |
| DECLARE_ALIGNED(8, uint64_t, ugCoeff); |
| DECLARE_ALIGNED(8, uint64_t, yOffset); |
| DECLARE_ALIGNED(8, uint64_t, uOffset); |
| DECLARE_ALIGNED(8, uint64_t, vOffset); |
| int32_t lumMmxFilter[4*MAX_FILTER_SIZE]; |
| int32_t chrMmxFilter[4*MAX_FILTER_SIZE]; |
| int dstW; ///< Width of destination luma/alpha planes. |
| DECLARE_ALIGNED(8, uint64_t, esp); |
| DECLARE_ALIGNED(8, uint64_t, vRounder); |
| DECLARE_ALIGNED(8, uint64_t, u_temp); |
| DECLARE_ALIGNED(8, uint64_t, v_temp); |
| DECLARE_ALIGNED(8, uint64_t, y_temp); |
| int32_t alpMmxFilter[4*MAX_FILTER_SIZE]; |
| DECLARE_ALIGNED(8, ptrdiff_t, uv_off); ///< offset (in pixels) between u and v planes |
| DECLARE_ALIGNED(8, ptrdiff_t, uv_offx2); ///< offset (in bytes) between u and v planes |
| uint16_t dither16[8]; |
| uint32_t dither32[8]; |
| |
| #if HAVE_ALTIVEC |
| vector signed short CY; |
| vector signed short CRV; |
| vector signed short CBU; |
| vector signed short CGU; |
| vector signed short CGV; |
| vector signed short OY; |
| vector unsigned short CSHIFT; |
| vector signed short *vYCoeffsBank, *vCCoeffsBank; |
| #endif |
| |
| #if ARCH_BFIN |
| DECLARE_ALIGNED(4, uint32_t, oy); |
| DECLARE_ALIGNED(4, uint32_t, oc); |
| DECLARE_ALIGNED(4, uint32_t, zero); |
| DECLARE_ALIGNED(4, uint32_t, cy); |
| DECLARE_ALIGNED(4, uint32_t, crv); |
| DECLARE_ALIGNED(4, uint32_t, rmask); |
| DECLARE_ALIGNED(4, uint32_t, cbu); |
| DECLARE_ALIGNED(4, uint32_t, bmask); |
| DECLARE_ALIGNED(4, uint32_t, cgu); |
| DECLARE_ALIGNED(4, uint32_t, cgv); |
| DECLARE_ALIGNED(4, uint32_t, gmask); |
| #endif |
| |
| #if HAVE_VIS |
| DECLARE_ALIGNED(8, uint64_t, sparc_coeffs)[10]; |
| #endif |
| |
| /* function pointers for swScale() */ |
| yuv2planar1_fn yuv2yuv1; |
| yuv2planarX_fn yuv2yuvX; |
| yuv2packed1_fn yuv2packed1; |
| yuv2packed2_fn yuv2packed2; |
| yuv2packedX_fn yuv2packedX; |
| |
| void (*lumToYV12)(uint8_t *dst, const uint8_t *src, |
| int width, uint32_t *pal); ///< Unscaled conversion of luma plane to YV12 for horizontal scaler. |
| void (*alpToYV12)(uint8_t *dst, const uint8_t *src, |
| int width, uint32_t *pal); ///< Unscaled conversion of alpha plane to YV12 for horizontal scaler. |
| void (*chrToYV12)(uint8_t *dstU, uint8_t *dstV, |
| const uint8_t *src1, const uint8_t *src2, |
| int width, uint32_t *pal); ///< Unscaled conversion of chroma planes to YV12 for horizontal scaler. |
| void (*hyscale_fast)(struct SwsContext *c, |
| int16_t *dst, int dstWidth, |
| const uint8_t *src, int srcW, int xInc); |
| void (*hcscale_fast)(struct SwsContext *c, |
| int16_t *dst1, int16_t *dst2, int dstWidth, |
| const uint8_t *src1, const uint8_t *src2, |
| int srcW, int xInc); |
| |
| void (*hScale)(int16_t *dst, int dstW, const uint8_t *src, int srcW, |
| int xInc, const int16_t *filter, const int16_t *filterPos, |
| int filterSize); |
| |
| void (*hScale16)(int16_t *dst, int dstW, const uint16_t *src, int srcW, |
| int xInc, const int16_t *filter, const int16_t *filterPos, |
| long filterSize, int shift); |
| |
| void (*lumConvertRange)(int16_t *dst, int width); ///< Color range conversion function for luma plane if needed. |
| void (*chrConvertRange)(int16_t *dst1, int16_t *dst2, int width); ///< Color range conversion function for chroma planes if needed. |
| |
| int needs_hcscale; ///< Set if there are chroma planes to be converted. |
| |
| } SwsContext; |
| //FIXME check init (where 0) |
| |
| SwsFunc ff_yuv2rgb_get_func_ptr(SwsContext *c); |
| int ff_yuv2rgb_c_init_tables(SwsContext *c, const int inv_table[4], |
| int fullRange, int brightness, |
| int contrast, int saturation); |
| |
| void ff_yuv2rgb_init_tables_altivec(SwsContext *c, const int inv_table[4], |
| int brightness, int contrast, int saturation); |
| void updateMMXDitherTables(SwsContext *c, int dstY, int lumBufIndex, int chrBufIndex, |
| int lastInLumBuf, int lastInChrBuf); |
| |
| SwsFunc ff_yuv2rgb_init_mmx(SwsContext *c); |
| SwsFunc ff_yuv2rgb_init_vis(SwsContext *c); |
| SwsFunc ff_yuv2rgb_init_mlib(SwsContext *c); |
| SwsFunc ff_yuv2rgb_init_altivec(SwsContext *c); |
| SwsFunc ff_yuv2rgb_get_func_ptr_bfin(SwsContext *c); |
| void ff_bfin_get_unscaled_swscale(SwsContext *c); |
| |
| #if FF_API_SWS_FORMAT_NAME |
| /** |
| * @deprecated Use av_get_pix_fmt_name() instead. |
| */ |
| attribute_deprecated |
| const char *sws_format_name(enum PixelFormat format); |
| #endif |
| |
| //FIXME replace this with something faster |
| #define is16BPS(x) ( \ |
| (x)==PIX_FMT_GRAY16BE \ |
| || (x)==PIX_FMT_GRAY16LE \ |
| || (x)==PIX_FMT_BGR48BE \ |
| || (x)==PIX_FMT_BGR48LE \ |
| || (x)==PIX_FMT_RGB48BE \ |
| || (x)==PIX_FMT_RGB48LE \ |
| || (x)==PIX_FMT_YUV420P16LE \ |
| || (x)==PIX_FMT_YUV422P16LE \ |
| || (x)==PIX_FMT_YUV444P16LE \ |
| || (x)==PIX_FMT_YUV420P16BE \ |
| || (x)==PIX_FMT_YUV422P16BE \ |
| || (x)==PIX_FMT_YUV444P16BE \ |
| ) |
| #define isNBPS(x) ( \ |
| (x)==PIX_FMT_YUV420P9LE \ |
| || (x)==PIX_FMT_YUV420P9BE \ |
| || (x)==PIX_FMT_YUV444P9BE \ |
| || (x)==PIX_FMT_YUV444P9LE \ |
| || (x)==PIX_FMT_YUV422P10BE \ |
| || (x)==PIX_FMT_YUV422P10LE \ |
| || (x)==PIX_FMT_YUV444P10BE \ |
| || (x)==PIX_FMT_YUV444P10LE \ |
| || (x)==PIX_FMT_YUV420P10LE \ |
| || (x)==PIX_FMT_YUV420P10BE \ |
| || (x)==PIX_FMT_YUV422P10LE \ |
| || (x)==PIX_FMT_YUV422P10BE \ |
| ) |
| #define is9_OR_10BPS isNBPS //for ronald |
| #define isBE(x) ((x)&1) |
| #define isPlanar8YUV(x) ( \ |
| (x)==PIX_FMT_YUV410P \ |
| || (x)==PIX_FMT_YUV420P \ |
| || (x)==PIX_FMT_YUVA420P \ |
| || (x)==PIX_FMT_YUV411P \ |
| || (x)==PIX_FMT_YUV422P \ |
| || (x)==PIX_FMT_YUV444P \ |
| || (x)==PIX_FMT_YUV440P \ |
| || (x)==PIX_FMT_NV12 \ |
| || (x)==PIX_FMT_NV21 \ |
| ) |
| #define isPlanarYUV(x) ( \ |
| isPlanar8YUV(x) \ |
| || (x)==PIX_FMT_YUV420P9LE \ |
| || (x)==PIX_FMT_YUV444P9LE \ |
| || (x)==PIX_FMT_YUV420P10LE \ |
| || (x)==PIX_FMT_YUV422P10LE \ |
| || (x)==PIX_FMT_YUV444P10LE \ |
| || (x)==PIX_FMT_YUV420P16LE \ |
| || (x)==PIX_FMT_YUV422P10LE \ |
| || (x)==PIX_FMT_YUV422P16LE \ |
| || (x)==PIX_FMT_YUV444P16LE \ |
| || (x)==PIX_FMT_YUV420P9BE \ |
| || (x)==PIX_FMT_YUV444P9BE \ |
| || (x)==PIX_FMT_YUV420P10BE \ |
| || (x)==PIX_FMT_YUV422P10BE \ |
| || (x)==PIX_FMT_YUV444P10BE \ |
| || (x)==PIX_FMT_YUV420P16BE \ |
| || (x)==PIX_FMT_YUV422P10BE \ |
| || (x)==PIX_FMT_YUV422P16BE \ |
| || (x)==PIX_FMT_YUV444P16BE \ |
| ) |
| #define isYUV(x) ( \ |
| (x)==PIX_FMT_UYVY422 \ |
| || (x)==PIX_FMT_YUYV422 \ |
| || isPlanarYUV(x) \ |
| ) |
| #define isGray(x) ( \ |
| (x)==PIX_FMT_GRAY8 \ |
| || (x)==PIX_FMT_GRAY8A \ |
| || (x)==PIX_FMT_GRAY16BE \ |
| || (x)==PIX_FMT_GRAY16LE \ |
| ) |
| #define isGray16(x) ( \ |
| (x)==PIX_FMT_GRAY16BE \ |
| || (x)==PIX_FMT_GRAY16LE \ |
| ) |
| #define isRGBinInt(x) ( \ |
| (x)==PIX_FMT_RGB48BE \ |
| || (x)==PIX_FMT_RGB48LE \ |
| || (x)==PIX_FMT_RGB32 \ |
| || (x)==PIX_FMT_RGB32_1 \ |
| || (x)==PIX_FMT_RGB24 \ |
| || (x)==PIX_FMT_RGB565BE \ |
| || (x)==PIX_FMT_RGB565LE \ |
| || (x)==PIX_FMT_RGB555BE \ |
| || (x)==PIX_FMT_RGB555LE \ |
| || (x)==PIX_FMT_RGB444BE \ |
| || (x)==PIX_FMT_RGB444LE \ |
| || (x)==PIX_FMT_RGB8 \ |
| || (x)==PIX_FMT_RGB4 \ |
| || (x)==PIX_FMT_RGB4_BYTE \ |
| || (x)==PIX_FMT_MONOBLACK \ |
| || (x)==PIX_FMT_MONOWHITE \ |
| ) |
| #define isBGRinInt(x) ( \ |
| (x)==PIX_FMT_BGR48BE \ |
| || (x)==PIX_FMT_BGR48LE \ |
| || (x)==PIX_FMT_BGR32 \ |
| || (x)==PIX_FMT_BGR32_1 \ |
| || (x)==PIX_FMT_BGR24 \ |
| || (x)==PIX_FMT_BGR565BE \ |
| || (x)==PIX_FMT_BGR565LE \ |
| || (x)==PIX_FMT_BGR555BE \ |
| || (x)==PIX_FMT_BGR555LE \ |
| || (x)==PIX_FMT_BGR444BE \ |
| || (x)==PIX_FMT_BGR444LE \ |
| || (x)==PIX_FMT_BGR8 \ |
| || (x)==PIX_FMT_BGR4 \ |
| || (x)==PIX_FMT_BGR4_BYTE \ |
| || (x)==PIX_FMT_MONOBLACK \ |
| || (x)==PIX_FMT_MONOWHITE \ |
| ) |
| #define isRGBinBytes(x) ( \ |
| (x)==PIX_FMT_RGB48BE \ |
| || (x)==PIX_FMT_RGB48LE \ |
| || (x)==PIX_FMT_RGBA \ |
| || (x)==PIX_FMT_ARGB \ |
| || (x)==PIX_FMT_RGB24 \ |
| ) |
| #define isBGRinBytes(x) ( \ |
| (x)==PIX_FMT_BGR48BE \ |
| || (x)==PIX_FMT_BGR48LE \ |
| || (x)==PIX_FMT_BGRA \ |
| || (x)==PIX_FMT_ABGR \ |
| || (x)==PIX_FMT_BGR24 \ |
| ) |
| #define isAnyRGB(x) ( \ |
| isRGBinInt(x) \ |
| || isBGRinInt(x) \ |
| ) |
| #define isALPHA(x) ( \ |
| (x)==PIX_FMT_BGR32 \ |
| || (x)==PIX_FMT_BGR32_1 \ |
| || (x)==PIX_FMT_RGB32 \ |
| || (x)==PIX_FMT_RGB32_1 \ |
| || (x)==PIX_FMT_PAL8 \ |
| || (x)==PIX_FMT_GRAY8A \ |
| || (x)==PIX_FMT_YUVA420P \ |
| ) |
| #define isPacked(x) ( \ |
| (x)==PIX_FMT_PAL8 \ |
| || (x)==PIX_FMT_YUYV422 \ |
| || (x)==PIX_FMT_UYVY422 \ |
| || (x)==PIX_FMT_Y400A \ |
| || isAnyRGB(x) \ |
| ) |
| #define usePal(x) ((av_pix_fmt_descriptors[x].flags & PIX_FMT_PAL) || (x) == PIX_FMT_GRAY8A) |
| |
| extern const uint64_t ff_dither4[2]; |
| extern const uint64_t ff_dither8[2]; |
| extern const uint8_t dithers[8][8][8]; |
| extern const uint16_t dither_scale[15][16]; |
| |
| |
| extern const AVClass sws_context_class; |
| |
| /** |
| * Sets c->swScale to an unscaled converter if one exists for the specific |
| * source and destination formats, bit depths, flags, etc. |
| */ |
| void ff_get_unscaled_swscale(SwsContext *c); |
| |
| void ff_swscale_get_unscaled_altivec(SwsContext *c); |
| |
| /** |
| * Returns function pointer to fastest main scaler path function depending |
| * on architecture and available optimizations. |
| */ |
| SwsFunc ff_getSwsFunc(SwsContext *c); |
| |
| void ff_sws_init_swScale_altivec(SwsContext *c); |
| void ff_sws_init_swScale_mmx(SwsContext *c); |
| |
| #endif /* SWSCALE_SWSCALE_INTERNAL_H */ |
