Statistics
| Branch: | Revision:

ffmpeg / libswscale / swscale_internal.h @ 5d6e4c16

History | View | Annotate | Download (20.4 KB)

1 5427e242 Michael Niedermayer
/*
2 d026b45e Diego Biurrun
 * Copyright (C) 2001-2003 Michael Niedermayer <michaelni@gmx.at>
3
 *
4
 * This file is part of FFmpeg.
5
 *
6 807e0c66 Luca Abeni
 * FFmpeg is free software; you can redistribute it and/or
7
 * modify it under the terms of the GNU Lesser General Public
8
 * License as published by the Free Software Foundation; either
9
 * version 2.1 of the License, or (at your option) any later version.
10 d026b45e Diego Biurrun
 *
11
 * FFmpeg is distributed in the hope that it will be useful,
12
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 807e0c66 Luca Abeni
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14
 * Lesser General Public License for more details.
15 d026b45e Diego Biurrun
 *
16 807e0c66 Luca Abeni
 * You should have received a copy of the GNU Lesser General Public
17
 * License along with FFmpeg; if not, write to the Free Software
18 b19bcbaa Diego Biurrun
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19 d026b45e Diego Biurrun
 */
20 5427e242 Michael Niedermayer
21 0eaf5235 Stefano Sabatini
#ifndef SWSCALE_SWSCALE_INTERNAL_H
22
#define SWSCALE_SWSCALE_INTERNAL_H
23 5427e242 Michael Niedermayer
24 4706949c Diego Biurrun
#include "config.h"
25
26 b63f641e Aurelien Jacobs
#if HAVE_ALTIVEC_H
27 f2015f0c Alex Beregszaszi
#include <altivec.h>
28
#endif
29
30 83da2c6f Diego Biurrun
#include "libavutil/avutil.h"
31 94c4def2 Luca Abeni
32 59ded10c Michael Niedermayer
#define STR(s)         AV_TOSTRING(s) //AV_STRINGIFY is too long
33 1625216e Michael Niedermayer
34 5427e242 Michael Niedermayer
#define MAX_FILTER_SIZE 256
35
36 9507d911 Michael Niedermayer
#if ARCH_X86
37
#define VOFW 5120
38
#else
39
#define VOFW 2048 // faster on PPC and not tested on others
40
#endif
41
42 710af50e Benoit Fouet
#define VOF  (VOFW*2)
43 8b2fce0d Michael Niedermayer
44 a898cdc9 Måns Rullgård
#if HAVE_BIGENDIAN
45 9990e426 Michael Niedermayer
#define ALT32_CORR (-1)
46
#else
47
#define ALT32_CORR   1
48 1625216e Michael Niedermayer
#endif
49
50 b63f641e Aurelien Jacobs
#if ARCH_X86_64
51 1625216e Michael Niedermayer
#   define APCK_PTR2 8
52
#   define APCK_COEF 16
53
#   define APCK_SIZE 24
54
#else
55
#   define APCK_PTR2 4
56
#   define APCK_COEF 8
57
#   define APCK_SIZE 16
58 9990e426 Michael Niedermayer
#endif
59
60 1615fb91 Diego Biurrun
struct SwsContext;
61
62 a959e247 Zuxy Meng
typedef int (*SwsFunc)(struct SwsContext *context, const uint8_t* src[],
63 457eed72 Diego Biurrun
                       int srcStride[], int srcSliceY, int srcSliceH,
64
                       uint8_t* dst[], int dstStride[]);
65 5427e242 Michael Niedermayer
66 8a322796 Diego Biurrun
/* This struct should be aligned on at least a 32-byte boundary. */
67 dd68318c Ramiro Polla
typedef struct SwsContext {
68 221b804f Diego Biurrun
    /**
69
     * info on struct for av_log
70
     */
71 635a8cd2 Panagiotis Issaris
    const AVClass *av_class;
72 221b804f Diego Biurrun
73
    /**
74 56b69633 Diego Biurrun
     * Note that src, dst, srcStride, dstStride will be copied in the
75
     * sws_scale() wrapper so they can be freely modified here.
76 221b804f Diego Biurrun
     */
77
    SwsFunc swScale;
78 9556124c Ramiro Polla
    int srcW;                     ///< Width  of source      luma/alpha planes.
79
    int srcH;                     ///< Height of source      luma/alpha planes.
80
    int dstH;                     ///< Height of destination luma/alpha planes.
81
    int chrSrcW;                  ///< Width  of source      chroma     planes.
82
    int chrSrcH;                  ///< Height of source      chroma     planes.
83
    int chrDstW;                  ///< Width  of destination chroma     planes.
84
    int chrDstH;                  ///< Height of destination chroma     planes.
85 221b804f Diego Biurrun
    int lumXInc, chrXInc;
86
    int lumYInc, chrYInc;
87 9556124c Ramiro Polla
    enum PixelFormat dstFormat;   ///< Destination pixel format.
88
    enum PixelFormat srcFormat;   ///< Source      pixel format.
89 30b61475 Stefano Sabatini
    int dstFormatBpp;             ///< Number of bits per pixel of the destination pixel format.
90
    int srcFormatBpp;             ///< Number of bits per pixel of the source      pixel format.
91 5d4d503f Ramiro Polla
    int chrSrcHSubSample;         ///< Binary logarithm of horizontal subsampling factor between luma/alpha and chroma planes in source      image.
92
    int chrSrcVSubSample;         ///< Binary logarithm of vertical   subsampling factor between luma/alpha and chroma planes in source      image.
93
    int chrDstHSubSample;         ///< Binary logarithm of horizontal subsampling factor between luma/alpha and chroma planes in destination image.
94
    int chrDstVSubSample;         ///< Binary logarithm of vertical   subsampling factor between luma/alpha and chroma planes in destination image.
95
    int vChrDrop;                 ///< Binary logarithm of extra vertical subsampling factor in source image chroma planes specified by user.
96
    int sliceDir;                 ///< Direction that slices are fed to the scaler (1 = top-to-bottom, -1 = bottom-to-top).
97 9556124c Ramiro Polla
    double param[2];              ///< Input parameters for scaling algorithms that need them.
98 221b804f Diego Biurrun
99 49004617 Vitor Sessak
    uint32_t pal_yuv[256];
100
    uint32_t pal_rgb[256];
101
102 5d4d503f Ramiro Polla
    /**
103
     * @name Scaled horizontal lines ring buffer.
104
     * The horizontal scaler keeps just enough scaled lines in a ring buffer
105
     * so they may be passed to the vertical scaler. The pointers to the
106
     * allocated buffers for each line are duplicated in sequence in the ring
107
     * buffer to simplify indexing and avoid wrapping around between lines
108
     * inside the vertical scaler code. The wrapping is done before the
109
     * vertical scaler is called.
110
     */
111
    //@{
112
    int16_t **lumPixBuf;          ///< Ring buffer for scaled horizontal luma   plane lines to be fed to the vertical scaler.
113
    int16_t **chrPixBuf;          ///< Ring buffer for scaled horizontal chroma plane lines to be fed to the vertical scaler.
114
    int16_t **alpPixBuf;          ///< Ring buffer for scaled horizontal alpha  plane lines to be fed to the vertical scaler.
115
    int       vLumBufSize;        ///< Number of vertical luma/alpha lines allocated in the ring buffer.
116
    int       vChrBufSize;        ///< Number of vertical chroma     lines allocated in the ring buffer.
117
    int       lastInLumBuf;       ///< Last scaled horizontal luma/alpha line from source in the ring buffer.
118
    int       lastInChrBuf;       ///< Last scaled horizontal chroma     line from source in the ring buffer.
119
    int       lumBufIndex;        ///< Index in ring buffer of the last scaled horizontal luma/alpha line from source.
120
    int       chrBufIndex;        ///< Index in ring buffer of the last scaled horizontal chroma     line from source.
121
    //@}
122 221b804f Diego Biurrun
123 8a322796 Diego Biurrun
    uint8_t formatConvBuffer[VOF]; //FIXME dynamic allocation, but we have to change a lot of code for this to be useful
124 221b804f Diego Biurrun
125 5d4d503f Ramiro Polla
    /**
126
     * @name Horizontal and vertical filters.
127
     * To better understand the following fields, here is a pseudo-code of
128
     * their usage in filtering a horizontal line:
129
     * @code
130
     * for (i = 0; i < width; i++) {
131
     *     dst[i] = 0;
132
     *     for (j = 0; j < filterSize; j++)
133
     *         dst[i] += src[ filterPos[i] + j ] * filter[ filterSize * i + j ];
134
     *     dst[i] >>= FRAC_BITS; // The actual implementation is fixed-point.
135
     * }
136
     * @endcode
137
     */
138
    //@{
139
    int16_t *hLumFilter;          ///< Array of horizontal filter coefficients for luma/alpha planes.
140
    int16_t *hChrFilter;          ///< Array of horizontal filter coefficients for chroma     planes.
141
    int16_t *vLumFilter;          ///< Array of vertical   filter coefficients for luma/alpha planes.
142
    int16_t *vChrFilter;          ///< Array of vertical   filter coefficients for chroma     planes.
143
    int16_t *hLumFilterPos;       ///< Array of horizontal filter starting positions for each dst[i] for luma/alpha planes.
144
    int16_t *hChrFilterPos;       ///< Array of horizontal filter starting positions for each dst[i] for chroma     planes.
145
    int16_t *vLumFilterPos;       ///< Array of vertical   filter starting positions for each dst[i] for luma/alpha planes.
146
    int16_t *vChrFilterPos;       ///< Array of vertical   filter starting positions for each dst[i] for chroma     planes.
147
    int      hLumFilterSize;      ///< Horizontal filter size for luma/alpha pixels.
148
    int      hChrFilterSize;      ///< Horizontal filter size for chroma     pixels.
149
    int      vLumFilterSize;      ///< Vertical   filter size for luma/alpha pixels.
150
    int      vChrFilterSize;      ///< Vertical   filter size for chroma     pixels.
151
    //@}
152 221b804f Diego Biurrun
153 9556124c Ramiro Polla
    int lumMmx2FilterCodeSize;    ///< Runtime-generated MMX2 horizontal fast bilinear scaler code size for luma/alpha planes.
154
    int chrMmx2FilterCodeSize;    ///< Runtime-generated MMX2 horizontal fast bilinear scaler code size for chroma     planes.
155
    uint8_t *lumMmx2FilterCode;   ///< Runtime-generated MMX2 horizontal fast bilinear scaler code for luma/alpha planes.
156
    uint8_t *chrMmx2FilterCode;   ///< Runtime-generated MMX2 horizontal fast bilinear scaler code for chroma     planes.
157 221b804f Diego Biurrun
158
    int canMMX2BeUsed;
159
160 9556124c Ramiro Polla
    int dstY;                     ///< Last destination vertical line output from last slice.
161
    int flags;                    ///< Flags passed by the user to select scaler algorithm, optimizations, subsampling, etc...
162 221b804f Diego Biurrun
    void * yuvTable;            // pointer to the yuv->rgb table start so it can be freed()
163
    uint8_t * table_rV[256];
164
    uint8_t * table_gU[256];
165
    int    table_gV[256];
166
    uint8_t * table_bU[256];
167
168
    //Colorspace stuff
169
    int contrast, brightness, saturation;    // for sws_getColorspaceDetails
170
    int srcColorspaceTable[4];
171
    int dstColorspaceTable[4];
172 9556124c Ramiro Polla
    int srcRange;                 ///< 0 = MPG YUV range, 1 = JPG YUV range (source      image).
173
    int dstRange;                 ///< 0 = MPG YUV range, 1 = JPG YUV range (destination image).
174 43c16478 Michael Niedermayer
    int yuv2rgb_y_offset;
175
    int yuv2rgb_y_coeff;
176
    int yuv2rgb_v2r_coeff;
177
    int yuv2rgb_v2g_coeff;
178
    int yuv2rgb_u2g_coeff;
179
    int yuv2rgb_u2b_coeff;
180 221b804f Diego Biurrun
181
#define RED_DITHER            "0*8"
182
#define GREEN_DITHER          "1*8"
183
#define BLUE_DITHER           "2*8"
184
#define Y_COEFF               "3*8"
185
#define VR_COEFF              "4*8"
186
#define UB_COEFF              "5*8"
187
#define VG_COEFF              "6*8"
188
#define UG_COEFF              "7*8"
189
#define Y_OFFSET              "8*8"
190
#define U_OFFSET              "9*8"
191
#define V_OFFSET              "10*8"
192 8bae9ddc Michael Niedermayer
#define LUM_MMX_FILTER_OFFSET "11*8"
193
#define CHR_MMX_FILTER_OFFSET "11*8+4*4*256"
194 8a322796 Diego Biurrun
#define DSTW_OFFSET           "11*8+4*4*256*2" //do not change, it is hardcoded in the ASM
195 221b804f Diego Biurrun
#define ESP_OFFSET            "11*8+4*4*256*2+8"
196
#define VROUNDER_OFFSET       "11*8+4*4*256*2+16"
197
#define U_TEMP                "11*8+4*4*256*2+24"
198
#define V_TEMP                "11*8+4*4*256*2+32"
199 6858492e Cédric Schieli
#define Y_TEMP                "11*8+4*4*256*2+40"
200
#define ALP_MMX_FILTER_OFFSET "11*8+4*4*256*2+48"
201 221b804f Diego Biurrun
202 92db6235 Pavel Pavlov
    DECLARE_ALIGNED(8, uint64_t, redDither);
203
    DECLARE_ALIGNED(8, uint64_t, greenDither);
204
    DECLARE_ALIGNED(8, uint64_t, blueDither);
205
206
    DECLARE_ALIGNED(8, uint64_t, yCoeff);
207
    DECLARE_ALIGNED(8, uint64_t, vrCoeff);
208
    DECLARE_ALIGNED(8, uint64_t, ubCoeff);
209
    DECLARE_ALIGNED(8, uint64_t, vgCoeff);
210
    DECLARE_ALIGNED(8, uint64_t, ugCoeff);
211
    DECLARE_ALIGNED(8, uint64_t, yOffset);
212
    DECLARE_ALIGNED(8, uint64_t, uOffset);
213
    DECLARE_ALIGNED(8, uint64_t, vOffset);
214 221b804f Diego Biurrun
    int32_t  lumMmxFilter[4*MAX_FILTER_SIZE];
215
    int32_t  chrMmxFilter[4*MAX_FILTER_SIZE];
216 5d4d503f Ramiro Polla
    int dstW;                     ///< Width  of destination luma/alpha planes.
217 92db6235 Pavel Pavlov
    DECLARE_ALIGNED(8, uint64_t, esp);
218
    DECLARE_ALIGNED(8, uint64_t, vRounder);
219
    DECLARE_ALIGNED(8, uint64_t, u_temp);
220
    DECLARE_ALIGNED(8, uint64_t, v_temp);
221
    DECLARE_ALIGNED(8, uint64_t, y_temp);
222 6858492e Cédric Schieli
    int32_t  alpMmxFilter[4*MAX_FILTER_SIZE];
223 a31de956 Michael Niedermayer
224 b63f641e Aurelien Jacobs
#if HAVE_ALTIVEC
225 d3243d14 Ramiro Polla
    vector signed short   CY;
226
    vector signed short   CRV;
227
    vector signed short   CBU;
228
    vector signed short   CGU;
229
    vector signed short   CGV;
230
    vector signed short   OY;
231
    vector unsigned short CSHIFT;
232
    vector signed short   *vYCoeffsBank, *vCCoeffsBank;
233 a31de956 Michael Niedermayer
#endif
234
235 b63f641e Aurelien Jacobs
#if ARCH_BFIN
236 92db6235 Pavel Pavlov
    DECLARE_ALIGNED(4, uint32_t, oy);
237
    DECLARE_ALIGNED(4, uint32_t, oc);
238
    DECLARE_ALIGNED(4, uint32_t, zero);
239
    DECLARE_ALIGNED(4, uint32_t, cy);
240
    DECLARE_ALIGNED(4, uint32_t, crv);
241
    DECLARE_ALIGNED(4, uint32_t, rmask);
242
    DECLARE_ALIGNED(4, uint32_t, cbu);
243
    DECLARE_ALIGNED(4, uint32_t, bmask);
244
    DECLARE_ALIGNED(4, uint32_t, cgu);
245
    DECLARE_ALIGNED(4, uint32_t, cgv);
246
    DECLARE_ALIGNED(4, uint32_t, gmask);
247 d3f3eea9 Marc Hoffman
#endif
248
249 b63f641e Aurelien Jacobs
#if HAVE_VIS
250 4a888526 Måns Rullgård
    DECLARE_ALIGNED(8, uint64_t, sparc_coeffs)[10];
251 90c1d7b4 Denes Balatoni
#endif
252 d3f3eea9 Marc Hoffman
253 40fa5140 Ramiro Polla
    /* function pointers for swScale() */
254
    void (*yuv2nv12X  )(struct SwsContext *c,
255
                        const int16_t *lumFilter, const int16_t **lumSrc, int lumFilterSize,
256
                        const int16_t *chrFilter, const int16_t **chrSrc, int chrFilterSize,
257
                        uint8_t *dest, uint8_t *uDest,
258
                        int dstW, int chrDstW, int dstFormat);
259
    void (*yuv2yuv1   )(struct SwsContext *c,
260
                        const int16_t *lumSrc, const int16_t *chrSrc, const int16_t *alpSrc,
261
                        uint8_t *dest,
262
                        uint8_t *uDest, uint8_t *vDest, uint8_t *aDest,
263 c3ab0004 Ramiro Polla
                        long dstW, long chrDstW);
264 40fa5140 Ramiro Polla
    void (*yuv2yuvX   )(struct SwsContext *c,
265
                        const int16_t *lumFilter, const int16_t **lumSrc, int lumFilterSize,
266
                        const int16_t *chrFilter, const int16_t **chrSrc, int chrFilterSize,
267
                        const int16_t **alpSrc,
268
                        uint8_t *dest,
269
                        uint8_t *uDest, uint8_t *vDest, uint8_t *aDest,
270 c3ab0004 Ramiro Polla
                        long dstW, long chrDstW);
271 40fa5140 Ramiro Polla
    void (*yuv2packed1)(struct SwsContext *c,
272
                        const uint16_t *buf0,
273
                        const uint16_t *uvbuf0, const uint16_t *uvbuf1,
274
                        const uint16_t *abuf0,
275
                        uint8_t *dest,
276
                        int dstW, int uvalpha, int dstFormat, int flags, int y);
277
    void (*yuv2packed2)(struct SwsContext *c,
278
                        const uint16_t *buf0, const uint16_t *buf1,
279
                        const uint16_t *uvbuf0, const uint16_t *uvbuf1,
280
                        const uint16_t *abuf0, const uint16_t *abuf1,
281
                        uint8_t *dest,
282
                        int dstW, int yalpha, int uvalpha, int y);
283
    void (*yuv2packedX)(struct SwsContext *c,
284
                        const int16_t *lumFilter, const int16_t **lumSrc, int lumFilterSize,
285
                        const int16_t *chrFilter, const int16_t **chrSrc, int chrFilterSize,
286
                        const int16_t **alpSrc, uint8_t *dest,
287 c3ab0004 Ramiro Polla
                        long dstW, long dstY);
288 40fa5140 Ramiro Polla
289 bb53e1d1 Ramiro Polla
    void (*lumToYV12)(uint8_t *dst, const uint8_t *src,
290 c3ab0004 Ramiro Polla
                      long width, uint32_t *pal); ///< Unscaled conversion of luma plane to YV12 for horizontal scaler.
291 bb53e1d1 Ramiro Polla
    void (*alpToYV12)(uint8_t *dst, const uint8_t *src,
292 c3ab0004 Ramiro Polla
                      long width, uint32_t *pal); ///< Unscaled conversion of alpha plane to YV12 for horizontal scaler.
293 bb53e1d1 Ramiro Polla
    void (*chrToYV12)(uint8_t *dstU, uint8_t *dstV,
294
                      const uint8_t *src1, const uint8_t *src2,
295 c3ab0004 Ramiro Polla
                      long width, uint32_t *pal); ///< Unscaled conversion of chroma planes to YV12 for horizontal scaler.
296 40fa5140 Ramiro Polla
    void (*hyscale_fast)(struct SwsContext *c,
297 c3ab0004 Ramiro Polla
                         int16_t *dst, long dstWidth,
298 40fa5140 Ramiro Polla
                         const uint8_t *src, int srcW, int xInc);
299
    void (*hcscale_fast)(struct SwsContext *c,
300 c3ab0004 Ramiro Polla
                         int16_t *dst, long dstWidth,
301 457eed72 Diego Biurrun
                         const uint8_t *src1, const uint8_t *src2,
302
                         int srcW, int xInc);
303 40fa5140 Ramiro Polla
304
    void (*hScale)(int16_t *dst, int dstW, const uint8_t *src, int srcW,
305 457eed72 Diego Biurrun
                   int xInc, const int16_t *filter, const int16_t *filterPos,
306 c3ab0004 Ramiro Polla
                   long filterSize);
307 40fa5140 Ramiro Polla
308 bae76dc3 Ramiro Polla
    void (*lumConvertRange)(uint16_t *dst, int width); ///< Color range conversion function for luma plane if needed.
309
    void (*chrConvertRange)(uint16_t *dst, int width); ///< Color range conversion function for chroma planes if needed.
310
311 84011f10 Ramiro Polla
    int lumSrcOffset; ///< Offset given to luma src pointers passed to horizontal input functions.
312
    int chrSrcOffset; ///< Offset given to chroma src pointers passed to horizontal input functions.
313
    int alpSrcOffset; ///< Offset given to alpha src pointers passed to horizontal input functions.
314
315 e7a47515 Ramiro Polla
    int needs_hcscale; ///< Set if there are chroma planes to be converted.
316
317 5427e242 Michael Niedermayer
} SwsContext;
318
//FIXME check init (where 0)
319
320 780daf2b Diego Biurrun
SwsFunc ff_yuv2rgb_get_func_ptr(SwsContext *c);
321 457eed72 Diego Biurrun
int ff_yuv2rgb_c_init_tables(SwsContext *c, const int inv_table[4],
322
                             int fullRange, int brightness,
323
                             int contrast, int saturation);
324 5427e242 Michael Niedermayer
325 457eed72 Diego Biurrun
void ff_yuv2rgb_init_tables_altivec(SwsContext *c, const int inv_table[4],
326
                                    int brightness, int contrast, int saturation);
327 befa8e66 Ramiro Polla
SwsFunc ff_yuv2rgb_init_mmx(SwsContext *c);
328
SwsFunc ff_yuv2rgb_init_vis(SwsContext *c);
329
SwsFunc ff_yuv2rgb_init_mlib(SwsContext *c);
330 780daf2b Diego Biurrun
SwsFunc ff_yuv2rgb_init_altivec(SwsContext *c);
331 befa8e66 Ramiro Polla
SwsFunc ff_yuv2rgb_get_func_ptr_bfin(SwsContext *c);
332 d5e9bc06 Ramiro Polla
void ff_bfin_get_unscaled_swscale(SwsContext *c);
333 780daf2b Diego Biurrun
void ff_yuv2packedX_altivec(SwsContext *c,
334 5a55d5b5 Reimar Döffinger
                            const int16_t *lumFilter, const int16_t **lumSrc, int lumFilterSize,
335
                            const int16_t *chrFilter, const int16_t **chrSrc, int chrFilterSize,
336 457eed72 Diego Biurrun
                            uint8_t *dest, int dstW, int dstY);
337 c95a3a9f Diego Biurrun
338 b4b91702 Måns Rullgård
const char *sws_format_name(enum PixelFormat format);
339 94c4def2 Luca Abeni
340 e9e12f0e Luca Abeni
//FIXME replace this with something faster
341 714f32bf Michael Niedermayer
#define is16BPS(x)      (           \
342
           (x)==PIX_FMT_GRAY16BE    \
343
        || (x)==PIX_FMT_GRAY16LE    \
344 5b21719e Kostya Shishkov
        || (x)==PIX_FMT_RGB48BE     \
345
        || (x)==PIX_FMT_RGB48LE     \
346 709c0181 Ramiro Polla
        || (x)==PIX_FMT_YUV420P16LE \
347
        || (x)==PIX_FMT_YUV422P16LE \
348
        || (x)==PIX_FMT_YUV444P16LE \
349
        || (x)==PIX_FMT_YUV420P16BE \
350
        || (x)==PIX_FMT_YUV422P16BE \
351
        || (x)==PIX_FMT_YUV444P16BE \
352 714f32bf Michael Niedermayer
    )
353 c3dc6c5a Michael Niedermayer
#define isBE(x) ((x)&1)
354 de1275d5 Michael Niedermayer
#define isPlanar8YUV(x) (           \
355 9d9de37d Ivo van Poorten
           (x)==PIX_FMT_YUV410P     \
356
        || (x)==PIX_FMT_YUV420P     \
357 9621f2f5 Cédric Schieli
        || (x)==PIX_FMT_YUVA420P    \
358 9d9de37d Ivo van Poorten
        || (x)==PIX_FMT_YUV411P     \
359
        || (x)==PIX_FMT_YUV422P     \
360
        || (x)==PIX_FMT_YUV444P     \
361 9ba7fe6d Andreas Öman
        || (x)==PIX_FMT_YUV440P     \
362 9d9de37d Ivo van Poorten
        || (x)==PIX_FMT_NV12        \
363
        || (x)==PIX_FMT_NV21        \
364
    )
365 de1275d5 Michael Niedermayer
#define isPlanarYUV(x)  (           \
366
        isPlanar8YUV(x)             \
367 709c0181 Ramiro Polla
        || (x)==PIX_FMT_YUV420P16LE \
368
        || (x)==PIX_FMT_YUV422P16LE \
369
        || (x)==PIX_FMT_YUV444P16LE \
370
        || (x)==PIX_FMT_YUV420P16BE \
371
        || (x)==PIX_FMT_YUV422P16BE \
372
        || (x)==PIX_FMT_YUV444P16BE \
373 de1275d5 Michael Niedermayer
    )
374 9d9de37d Ivo van Poorten
#define isYUV(x)        (           \
375
           (x)==PIX_FMT_UYVY422     \
376
        || (x)==PIX_FMT_YUYV422     \
377
        || isPlanarYUV(x)           \
378
    )
379
#define isGray(x)       (           \
380
           (x)==PIX_FMT_GRAY8       \
381 df0743e0 Baptiste Coudurier
        || (x)==PIX_FMT_Y400A      \
382 9d9de37d Ivo van Poorten
        || (x)==PIX_FMT_GRAY16BE    \
383
        || (x)==PIX_FMT_GRAY16LE    \
384
    )
385
#define isGray16(x)     (           \
386
           (x)==PIX_FMT_GRAY16BE    \
387
        || (x)==PIX_FMT_GRAY16LE    \
388
    )
389 3b1ee703 Michael Niedermayer
#define isRGBinInt(x)   (           \
390 e8417235 Kostya Shishkov
           (x)==PIX_FMT_RGB48BE     \
391
        || (x)==PIX_FMT_RGB48LE     \
392
        || (x)==PIX_FMT_RGB32       \
393 9990e426 Michael Niedermayer
        || (x)==PIX_FMT_RGB32_1     \
394 9d9de37d Ivo van Poorten
        || (x)==PIX_FMT_RGB24       \
395 1379b584 Alexis Ballier
        || (x)==PIX_FMT_RGB565BE    \
396
        || (x)==PIX_FMT_RGB565LE    \
397
        || (x)==PIX_FMT_RGB555BE    \
398
        || (x)==PIX_FMT_RGB555LE    \
399 a4e44130 Janusz Krzysztofik
        || (x)==PIX_FMT_RGB444BE    \
400
        || (x)==PIX_FMT_RGB444LE    \
401 9d9de37d Ivo van Poorten
        || (x)==PIX_FMT_RGB8        \
402
        || (x)==PIX_FMT_RGB4        \
403
        || (x)==PIX_FMT_RGB4_BYTE   \
404
        || (x)==PIX_FMT_MONOBLACK   \
405 ec1bca2a Michael Niedermayer
        || (x)==PIX_FMT_MONOWHITE   \
406 9d9de37d Ivo van Poorten
    )
407 3b1ee703 Michael Niedermayer
#define isBGRinInt(x)   (           \
408 d52337af Michael Niedermayer
           (x)==PIX_FMT_BGR32       \
409 9990e426 Michael Niedermayer
        || (x)==PIX_FMT_BGR32_1     \
410 9d9de37d Ivo van Poorten
        || (x)==PIX_FMT_BGR24       \
411 1379b584 Alexis Ballier
        || (x)==PIX_FMT_BGR565BE    \
412
        || (x)==PIX_FMT_BGR565LE    \
413
        || (x)==PIX_FMT_BGR555BE    \
414
        || (x)==PIX_FMT_BGR555LE    \
415 a4e44130 Janusz Krzysztofik
        || (x)==PIX_FMT_BGR444BE    \
416
        || (x)==PIX_FMT_BGR444LE    \
417 9d9de37d Ivo van Poorten
        || (x)==PIX_FMT_BGR8        \
418
        || (x)==PIX_FMT_BGR4        \
419
        || (x)==PIX_FMT_BGR4_BYTE   \
420
        || (x)==PIX_FMT_MONOBLACK   \
421 ec1bca2a Michael Niedermayer
        || (x)==PIX_FMT_MONOWHITE   \
422 9d9de37d Ivo van Poorten
    )
423 81858371 Michael Niedermayer
#define isRGBinBytes(x) (           \
424
           (x)==PIX_FMT_RGB48BE     \
425
        || (x)==PIX_FMT_RGB48LE     \
426
        || (x)==PIX_FMT_RGBA        \
427
        || (x)==PIX_FMT_ARGB        \
428
        || (x)==PIX_FMT_RGB24       \
429
    )
430
#define isBGRinBytes(x) (           \
431
           (x)==PIX_FMT_BGRA        \
432
        || (x)==PIX_FMT_ABGR        \
433
        || (x)==PIX_FMT_BGR24       \
434
    )
435
#define isAnyRGB(x)     (           \
436
            isRGBinInt(x)           \
437
        ||  isBGRinInt(x)           \
438
    )
439 c2751600 Cédric Schieli
#define isALPHA(x)      (           \
440
           (x)==PIX_FMT_BGR32       \
441
        || (x)==PIX_FMT_BGR32_1     \
442
        || (x)==PIX_FMT_RGB32       \
443
        || (x)==PIX_FMT_RGB32_1     \
444 df0743e0 Baptiste Coudurier
        || (x)==PIX_FMT_Y400A       \
445 c2751600 Cédric Schieli
        || (x)==PIX_FMT_YUVA420P    \
446
    )
447 df0743e0 Baptiste Coudurier
#define usePal(x) ((av_pix_fmt_descriptors[x].flags & PIX_FMT_PAL) || (x) == PIX_FMT_Y400A)
448 e9e12f0e Luca Abeni
449 43175f50 Diego Biurrun
extern const uint64_t ff_dither4[2];
450
extern const uint64_t ff_dither8[2];
451 0cb25594 Carl Eugen Hoyos
452 e40b183d Luca Barbato
extern const AVClass sws_context_class;
453
454 a4388ebd Ramiro Polla
/**
455
 * Sets c->swScale to an unscaled converter if one exists for the specific
456
 * source and destination formats, bit depths, flags, etc.
457
 */
458
void ff_get_unscaled_swscale(SwsContext *c);
459
460
/**
461
 * Returns the SWS_CPU_CAPS for the optimized code compiled into swscale.
462
 */
463
int ff_hardcodedcpuflags(void);
464
465
/**
466
 * Returns function pointer to fastest main scaler path function depending
467
 * on architecture and available optimizations.
468
 */
469
SwsFunc ff_getSwsFunc(SwsContext *c);
470
471 0eaf5235 Stefano Sabatini
#endif /* SWSCALE_SWSCALE_INTERNAL_H */