diff options
Diffstat (limited to 'libswscale/swscale_internal.h')
-rw-r--r-- | libswscale/swscale_internal.h | 469 |
1 files changed, 0 insertions, 469 deletions
diff --git a/libswscale/swscale_internal.h b/libswscale/swscale_internal.h deleted file mode 100644 index 5be17d4abb..0000000000 --- a/libswscale/swscale_internal.h +++ /dev/null @@ -1,469 +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 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 MAX_FILTER_SIZE 256 - -#if ARCH_X86 -#define VOFW 5120 -#else -#define VOFW 2048 // faster on PPC and not tested on others -#endif - -#define VOF (VOFW*2) - -#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[]); - -/* 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 **chrPixBuf; ///< 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[VOF]; //FIXME dynamic allocation, but we have to change a lot of code for this to be useful - - /** - * @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" - - 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]; - -#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() */ - void (*yuv2nv12X )(struct SwsContext *c, - const int16_t *lumFilter, const int16_t **lumSrc, int lumFilterSize, - const int16_t *chrFilter, const int16_t **chrSrc, int chrFilterSize, - uint8_t *dest, uint8_t *uDest, - int dstW, int chrDstW, int dstFormat); - void (*yuv2yuv1 )(struct SwsContext *c, - const int16_t *lumSrc, const int16_t *chrSrc, const int16_t *alpSrc, - uint8_t *dest, - uint8_t *uDest, uint8_t *vDest, uint8_t *aDest, - long dstW, long chrDstW); - void (*yuv2yuvX )(struct SwsContext *c, - const int16_t *lumFilter, const int16_t **lumSrc, int lumFilterSize, - const int16_t *chrFilter, const int16_t **chrSrc, int chrFilterSize, - const int16_t **alpSrc, - uint8_t *dest, - uint8_t *uDest, uint8_t *vDest, uint8_t *aDest, - long dstW, long chrDstW); - void (*yuv2packed1)(struct SwsContext *c, - const uint16_t *buf0, - const uint16_t *uvbuf0, const uint16_t *uvbuf1, - const uint16_t *abuf0, - uint8_t *dest, - int dstW, int uvalpha, int dstFormat, int flags, int y); - void (*yuv2packed2)(struct SwsContext *c, - const uint16_t *buf0, const uint16_t *buf1, - const uint16_t *uvbuf0, const uint16_t *uvbuf1, - const uint16_t *abuf0, const uint16_t *abuf1, - uint8_t *dest, - int dstW, int yalpha, int uvalpha, int y); - void (*yuv2packedX)(struct SwsContext *c, - const int16_t *lumFilter, const int16_t **lumSrc, int lumFilterSize, - const int16_t *chrFilter, const int16_t **chrSrc, int chrFilterSize, - const int16_t **alpSrc, uint8_t *dest, - long dstW, long dstY); - - void (*lumToYV12)(uint8_t *dst, const uint8_t *src, - long width, uint32_t *pal); ///< Unscaled conversion of luma plane to YV12 for horizontal scaler. - void (*alpToYV12)(uint8_t *dst, const uint8_t *src, - long 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, - long width, uint32_t *pal); ///< Unscaled conversion of chroma planes to YV12 for horizontal scaler. - void (*hyscale_fast)(struct SwsContext *c, - int16_t *dst, long dstWidth, - const uint8_t *src, int srcW, int xInc); - void (*hcscale_fast)(struct SwsContext *c, - int16_t *dst, long 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, - long filterSize); - - void (*lumConvertRange)(uint16_t *dst, int width); ///< Color range conversion function for luma plane if needed. - void (*chrConvertRange)(uint16_t *dst, int width); ///< Color range conversion function for chroma planes if needed. - - int lumSrcOffset; ///< Offset given to luma src pointers passed to horizontal input functions. - int chrSrcOffset; ///< Offset given to chroma src pointers passed to horizontal input functions. - int alpSrcOffset; ///< Offset given to alpha src pointers passed to horizontal input functions. - - 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); -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); -void ff_yuv2packedX_altivec(SwsContext *c, - const int16_t *lumFilter, int16_t **lumSrc, int lumFilterSize, - const int16_t *chrFilter, int16_t **chrSrc, int chrFilterSize, - uint8_t *dest, int dstW, int dstY); - -const char *sws_format_name(enum PixelFormat format); - -//FIXME replace this with something faster -#define is16BPS(x) ( \ - (x)==PIX_FMT_GRAY16BE \ - || (x)==PIX_FMT_GRAY16LE \ - || (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 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_YUV420P16LE \ - || (x)==PIX_FMT_YUV422P16LE \ - || (x)==PIX_FMT_YUV444P16LE \ - || (x)==PIX_FMT_YUV420P16BE \ - || (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_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_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_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_YUVA420P \ - ) -#define usePal(x) (av_pix_fmt_descriptors[x].flags & PIX_FMT_PAL) - -extern const uint64_t ff_dither4[2]; -extern const uint64_t ff_dither8[2]; - -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); - -/** - * Returns the SWS_CPU_CAPS for the optimized code compiled into swscale. - */ -int ff_hardcodedcpuflags(void); - -/** - * Returns function pointer to fastest main scaler path function depending - * on architecture and available optimizations. - */ -SwsFunc ff_getSwsFunc(SwsContext *c); - -#endif /* SWSCALE_SWSCALE_INTERNAL_H */ |