diff options
Diffstat (limited to 'libswscale/swscale_internal.h')
-rw-r--r-- | libswscale/swscale_internal.h | 151 |
1 files changed, 120 insertions, 31 deletions
diff --git a/libswscale/swscale_internal.h b/libswscale/swscale_internal.h index f9f023f..83d3a00 100644 --- a/libswscale/swscale_internal.h +++ b/libswscale/swscale_internal.h @@ -1,20 +1,20 @@ /* - * Copyright (C) 2001-2003 Michael Niedermayer <michaelni@gmx.at> + * Copyright (C) 2001-2011 Michael Niedermayer <michaelni@gmx.at> * - * This file is part of Libav. + * This file is part of FFmpeg. * - * Libav is free software; you can redistribute it and/or + * 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. * - * Libav is distributed in the hope that it will be useful, + * 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 Libav; if not, write to the Free Software + * License along with FFmpeg; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ @@ -30,16 +30,21 @@ #include "libavutil/avassert.h" #include "libavutil/avutil.h" #include "libavutil/common.h" +#include "libavutil/intreadwrite.h" #include "libavutil/log.h" #include "libavutil/pixfmt.h" #include "libavutil/pixdesc.h" #define STR(s) AV_TOSTRING(s) // AV_STRINGIFY is too long +#define YUVRGB_TABLE_HEADROOM 128 + #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 @@ -351,10 +356,12 @@ typedef struct SwsContext { 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]; + uint8_t *table_rV[256 + 2*YUVRGB_TABLE_HEADROOM]; + uint8_t *table_gU[256 + 2*YUVRGB_TABLE_HEADROOM]; + int table_gV[256 + 2*YUVRGB_TABLE_HEADROOM]; + uint8_t *table_bU[256 + 2*YUVRGB_TABLE_HEADROOM]; + + int *dither_error[4]; //Colorspace stuff int contrast, brightness, saturation; // for sws_getColorspaceDetails @@ -362,6 +369,8 @@ typedef struct SwsContext { 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 src0Alpha; + int dst0Alpha; int yuv2rgb_y_offset; int yuv2rgb_y_coeff; int yuv2rgb_v2r_coeff; @@ -418,8 +427,8 @@ typedef struct SwsContext { // alignment of these values is not necessary, but merely here // to maintain the same offset across x8632 and x86-64. Once we // use proper offset macros in the asm, they can be removed. - DECLARE_ALIGNED(8, ptrdiff_t, uv_off_px); ///< offset (in pixels) between u and v planes - DECLARE_ALIGNED(8, ptrdiff_t, uv_off_byte); ///< offset (in bytes) between u and v planes + 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 DECLARE_ALIGNED(8, uint16_t, dither16)[8]; DECLARE_ALIGNED(8, uint32_t, dither32)[8]; @@ -453,6 +462,7 @@ typedef struct SwsContext { #if HAVE_VIS DECLARE_ALIGNED(8, uint64_t, sparc_coeffs)[10]; #endif + int use_mmx_vfilter; /* function pointers for swScale() */ yuv2planar1_fn yuv2plane1; @@ -464,14 +474,14 @@ typedef struct SwsContext { yuv2anyX_fn yuv2anyX; /// Unscaled conversion of luma plane to YV12 for horizontal scaler. - void (*lumToYV12)(uint8_t *dst, const uint8_t *src, + void (*lumToYV12)(uint8_t *dst, const uint8_t *src, const uint8_t *src2, const uint8_t *src3, int width, uint32_t *pal); /// Unscaled conversion of alpha plane to YV12 for horizontal scaler. - void (*alpToYV12)(uint8_t *dst, const uint8_t *src, + void (*alpToYV12)(uint8_t *dst, const uint8_t *src, const uint8_t *src2, const uint8_t *src3, int width, uint32_t *pal); /// Unscaled conversion of chroma planes to YV12 for horizontal scaler. void (*chrToYV12)(uint8_t *dstU, uint8_t *dstV, - const uint8_t *src1, const uint8_t *src2, + const uint8_t *src1, const uint8_t *src2, const uint8_t *src3, int width, uint32_t *pal); /** @@ -576,7 +586,13 @@ 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 AVPixelFormat format); +#endif static av_always_inline int is16BPS(enum AVPixelFormat pix_fmt) { @@ -589,9 +605,11 @@ static av_always_inline int is9_OR_10BPS(enum AVPixelFormat pix_fmt) { const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(pix_fmt); av_assert0(desc); - return desc->comp[0].depth_minus1 == 8 || desc->comp[0].depth_minus1 == 9; + return desc->comp[0].depth_minus1 >= 8 && desc->comp[0].depth_minus1 <= 13; } +#define isNBPS(x) is9_OR_10BPS(x) + static av_always_inline int isBE(enum AVPixelFormat pix_fmt) { const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(pix_fmt); @@ -622,8 +640,8 @@ static av_always_inline int isRGB(enum AVPixelFormat pix_fmt) #if 0 // FIXME #define isGray(x) \ - (!(av_pix_fmt_descriptors[x].flags & PIX_FMT_PAL) && \ - av_pix_fmt_descriptors[x].nb_components <= 2) + (!(av_pix_fmt_desc_get(x)->flags & PIX_FMT_PAL) && \ + av_pix_fmt_desc_get(x)->nb_components <= 2) #else #define isGray(x) \ ((x) == AV_PIX_FMT_GRAY8 || \ @@ -632,9 +650,12 @@ static av_always_inline int isRGB(enum AVPixelFormat pix_fmt) (x) == AV_PIX_FMT_GRAY16LE) #endif -#define isRGBinInt(x) \ - ((x) == AV_PIX_FMT_RGB48BE || \ +#define isRGBinInt(x) \ + ( \ + (x) == AV_PIX_FMT_RGB48BE || \ (x) == AV_PIX_FMT_RGB48LE || \ + (x) == AV_PIX_FMT_RGBA64BE || \ + (x) == AV_PIX_FMT_RGBA64LE || \ (x) == AV_PIX_FMT_RGB32 || \ (x) == AV_PIX_FMT_RGB32_1 || \ (x) == AV_PIX_FMT_RGB24 || \ @@ -648,11 +669,14 @@ static av_always_inline int isRGB(enum AVPixelFormat pix_fmt) (x) == AV_PIX_FMT_RGB4 || \ (x) == AV_PIX_FMT_RGB4_BYTE || \ (x) == AV_PIX_FMT_MONOBLACK || \ - (x) == AV_PIX_FMT_MONOWHITE) - -#define isBGRinInt(x) \ - ((x) == AV_PIX_FMT_BGR48BE || \ + (x) == AV_PIX_FMT_MONOWHITE \ + ) +#define isBGRinInt(x) \ + ( \ + (x) == AV_PIX_FMT_BGR48BE || \ (x) == AV_PIX_FMT_BGR48LE || \ + (x) == AV_PIX_FMT_BGRA64BE || \ + (x) == AV_PIX_FMT_BGRA64LE || \ (x) == AV_PIX_FMT_BGR32 || \ (x) == AV_PIX_FMT_BGR32_1 || \ (x) == AV_PIX_FMT_BGR24 || \ @@ -666,19 +690,61 @@ static av_always_inline int isRGB(enum AVPixelFormat pix_fmt) (x) == AV_PIX_FMT_BGR4 || \ (x) == AV_PIX_FMT_BGR4_BYTE || \ (x) == AV_PIX_FMT_MONOBLACK || \ - (x) == AV_PIX_FMT_MONOWHITE) - -#define isAnyRGB(x) \ - (isRGBinInt(x) || \ - isBGRinInt(x)) + (x) == AV_PIX_FMT_MONOWHITE \ + ) + +#define isRGBinBytes(x) ( \ + (x) == AV_PIX_FMT_RGB48BE \ + || (x) == AV_PIX_FMT_RGB48LE \ + || (x) == AV_PIX_FMT_RGBA64BE \ + || (x) == AV_PIX_FMT_RGBA64LE \ + || (x) == AV_PIX_FMT_RGBA \ + || (x) == AV_PIX_FMT_ARGB \ + || (x) == AV_PIX_FMT_RGB24 \ + ) +#define isBGRinBytes(x) ( \ + (x) == AV_PIX_FMT_BGR48BE \ + || (x) == AV_PIX_FMT_BGR48LE \ + || (x) == AV_PIX_FMT_BGRA64BE \ + || (x) == AV_PIX_FMT_BGRA64LE \ + || (x) == AV_PIX_FMT_BGRA \ + || (x) == AV_PIX_FMT_ABGR \ + || (x) == AV_PIX_FMT_BGR24 \ + ) + +#define isAnyRGB(x) \ + ( \ + isRGBinInt(x) || \ + isBGRinInt(x) || \ + isRGB(x) || \ + (x)==AV_PIX_FMT_GBRP9LE || \ + (x)==AV_PIX_FMT_GBRP9BE || \ + (x)==AV_PIX_FMT_GBRP10LE || \ + (x)==AV_PIX_FMT_GBRP10BE || \ + (x)==AV_PIX_FMT_GBRP12LE || \ + (x)==AV_PIX_FMT_GBRP12BE || \ + (x)==AV_PIX_FMT_GBRP14LE || \ + (x)==AV_PIX_FMT_GBRP14BE || \ + (x)==AV_PIX_FMT_GBR24P \ + ) static av_always_inline int isALPHA(enum AVPixelFormat pix_fmt) { const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(pix_fmt); av_assert0(desc); - return desc->nb_components == 2 || desc->nb_components == 4; + return desc->flags & PIX_FMT_ALPHA; } +#if 1 +#define isPacked(x) ( \ + (x)==AV_PIX_FMT_PAL8 \ + || (x)==AV_PIX_FMT_YUYV422 \ + || (x)==AV_PIX_FMT_UYVY422 \ + || (x)==AV_PIX_FMT_Y400A \ + || isRGBinInt(x) \ + || isBGRinInt(x) \ + ) +#else static av_always_inline int isPacked(enum AVPixelFormat pix_fmt) { const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(pix_fmt); @@ -687,6 +753,7 @@ static av_always_inline int isPacked(enum AVPixelFormat pix_fmt) pix_fmt == AV_PIX_FMT_PAL8); } +#endif static av_always_inline int isPlanar(enum AVPixelFormat pix_fmt) { const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(pix_fmt); @@ -713,12 +780,14 @@ static av_always_inline int usePal(enum AVPixelFormat pix_fmt) { const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(pix_fmt); av_assert0(desc); - return ((desc->flags & PIX_FMT_PAL) || (desc->flags & PIX_FMT_PSEUDOPAL) || - pix_fmt == AV_PIX_FMT_Y400A); + return (desc->flags & PIX_FMT_PAL) || (desc->flags & PIX_FMT_PSEUDOPAL); } 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; @@ -748,4 +817,24 @@ void ff_sws_init_output_funcs(SwsContext *c, void ff_sws_init_swScale_altivec(SwsContext *c); void ff_sws_init_swScale_mmx(SwsContext *c); +static inline void fillPlane16(uint8_t *plane, int stride, int width, int height, int y, + int alpha, int bits, const int big_endian) +{ + int i, j; + uint8_t *ptr = plane + stride * y; + int v = alpha ? 0xFFFF>>(15-bits) : (1<<bits); + for (i = 0; i < height; i++) { +#define FILL(wfunc) \ + for (j = 0; j < width; j++) {\ + wfunc(ptr+2*j, v);\ + } + if (big_endian) { + FILL(AV_WB16); + } else { + FILL(AV_WL16); + } + ptr += stride; + } +} + #endif /* SWSCALE_SWSCALE_INTERNAL_H */ |