GCC Code Coverage Report
Directory: ../../../ffmpeg/ Exec Total Coverage
File: src/libavfilter/vf_colorchannelmixer.c Lines: 95 318 29.9 %
Date: 2020-08-14 10:39:37 Branches: 22 94 23.4 %

Line Branch Exec Source
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/*
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 * Copyright (c) 2013 Paul B Mahol
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 *
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 * This file is part of FFmpeg.
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 *
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 * FFmpeg is free software; you can redistribute it and/or
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 * modify it under the terms of the GNU Lesser General Public
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 * License as published by the Free Software Foundation; either
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 * version 2.1 of the License, or (at your option) any later version.
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 *
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 * FFmpeg is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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 * Lesser General Public License for more details.
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 *
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 * You should have received a copy of the GNU Lesser General Public
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 * License along with FFmpeg; if not, write to the Free Software
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 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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 */
20
21
#include "libavutil/opt.h"
22
#include "libavutil/pixdesc.h"
23
#include "avfilter.h"
24
#include "drawutils.h"
25
#include "formats.h"
26
#include "internal.h"
27
#include "video.h"
28
29
#define R 0
30
#define G 1
31
#define B 2
32
#define A 3
33
34
typedef struct ThreadData {
35
    AVFrame *in, *out;
36
} ThreadData;
37
38
typedef struct ColorChannelMixerContext {
39
    const AVClass *class;
40
    double rr, rg, rb, ra;
41
    double gr, gg, gb, ga;
42
    double br, bg, bb, ba;
43
    double ar, ag, ab, aa;
44
45
    int *lut[4][4];
46
47
    int *buffer;
48
49
    uint8_t rgba_map[4];
50
51
    int (*filter_slice)(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs);
52
} ColorChannelMixerContext;
53
54
#define OFFSET(x) offsetof(ColorChannelMixerContext, x)
55
#define FLAGS AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_RUNTIME_PARAM
56
57
static const AVOption colorchannelmixer_options[] = {
58
    { "rr", "set the red gain for the red channel",     OFFSET(rr), AV_OPT_TYPE_DOUBLE, {.dbl=1}, -2, 2, FLAGS },
59
    { "rg", "set the green gain for the red channel",   OFFSET(rg), AV_OPT_TYPE_DOUBLE, {.dbl=0}, -2, 2, FLAGS },
60
    { "rb", "set the blue gain for the red channel",    OFFSET(rb), AV_OPT_TYPE_DOUBLE, {.dbl=0}, -2, 2, FLAGS },
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    { "ra", "set the alpha gain for the red channel",   OFFSET(ra), AV_OPT_TYPE_DOUBLE, {.dbl=0}, -2, 2, FLAGS },
62
    { "gr", "set the red gain for the green channel",   OFFSET(gr), AV_OPT_TYPE_DOUBLE, {.dbl=0}, -2, 2, FLAGS },
63
    { "gg", "set the green gain for the green channel", OFFSET(gg), AV_OPT_TYPE_DOUBLE, {.dbl=1}, -2, 2, FLAGS },
64
    { "gb", "set the blue gain for the green channel",  OFFSET(gb), AV_OPT_TYPE_DOUBLE, {.dbl=0}, -2, 2, FLAGS },
65
    { "ga", "set the alpha gain for the green channel", OFFSET(ga), AV_OPT_TYPE_DOUBLE, {.dbl=0}, -2, 2, FLAGS },
66
    { "br", "set the red gain for the blue channel",    OFFSET(br), AV_OPT_TYPE_DOUBLE, {.dbl=0}, -2, 2, FLAGS },
67
    { "bg", "set the green gain for the blue channel",  OFFSET(bg), AV_OPT_TYPE_DOUBLE, {.dbl=0}, -2, 2, FLAGS },
68
    { "bb", "set the blue gain for the blue channel",   OFFSET(bb), AV_OPT_TYPE_DOUBLE, {.dbl=1}, -2, 2, FLAGS },
69
    { "ba", "set the alpha gain for the blue channel",  OFFSET(ba), AV_OPT_TYPE_DOUBLE, {.dbl=0}, -2, 2, FLAGS },
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    { "ar", "set the red gain for the alpha channel",   OFFSET(ar), AV_OPT_TYPE_DOUBLE, {.dbl=0}, -2, 2, FLAGS },
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    { "ag", "set the green gain for the alpha channel", OFFSET(ag), AV_OPT_TYPE_DOUBLE, {.dbl=0}, -2, 2, FLAGS },
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    { "ab", "set the blue gain for the alpha channel",  OFFSET(ab), AV_OPT_TYPE_DOUBLE, {.dbl=0}, -2, 2, FLAGS },
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    { "aa", "set the alpha gain for the alpha channel", OFFSET(aa), AV_OPT_TYPE_DOUBLE, {.dbl=1}, -2, 2, FLAGS },
74
    { NULL }
75
};
76
77
AVFILTER_DEFINE_CLASS(colorchannelmixer);
78
79
1
static int query_formats(AVFilterContext *ctx)
80
{
81
    static const enum AVPixelFormat pix_fmts[] = {
82
        AV_PIX_FMT_RGB24,  AV_PIX_FMT_BGR24,
83
        AV_PIX_FMT_RGBA,   AV_PIX_FMT_BGRA,
84
        AV_PIX_FMT_ARGB,   AV_PIX_FMT_ABGR,
85
        AV_PIX_FMT_0RGB,   AV_PIX_FMT_0BGR,
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        AV_PIX_FMT_RGB0,   AV_PIX_FMT_BGR0,
87
        AV_PIX_FMT_RGB48,  AV_PIX_FMT_BGR48,
88
        AV_PIX_FMT_RGBA64, AV_PIX_FMT_BGRA64,
89
        AV_PIX_FMT_GBRP,   AV_PIX_FMT_GBRAP,
90
        AV_PIX_FMT_GBRP9,
91
        AV_PIX_FMT_GBRP10, AV_PIX_FMT_GBRAP10,
92
        AV_PIX_FMT_GBRP12, AV_PIX_FMT_GBRAP12,
93
        AV_PIX_FMT_GBRP14,
94
        AV_PIX_FMT_GBRP16, AV_PIX_FMT_GBRAP16,
95
        AV_PIX_FMT_NONE
96
    };
97
98
1
    AVFilterFormats *fmts_list = ff_make_format_list(pix_fmts);
99
1
    if (!fmts_list)
100
        return AVERROR(ENOMEM);
101
1
    return ff_set_common_formats(ctx, fmts_list);
102
}
103
104
static av_always_inline int filter_slice_rgba_planar(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs,
105
                                                     int have_alpha)
106
{
107
    ColorChannelMixerContext *s = ctx->priv;
108
    ThreadData *td = arg;
109
    AVFrame *in = td->in;
110
    AVFrame *out = td->out;
111
    const int slice_start = (out->height * jobnr) / nb_jobs;
112
    const int slice_end = (out->height * (jobnr+1)) / nb_jobs;
113
    const uint8_t *srcg = in->data[0] + slice_start * in->linesize[0];
114
    const uint8_t *srcb = in->data[1] + slice_start * in->linesize[1];
115
    const uint8_t *srcr = in->data[2] + slice_start * in->linesize[2];
116
    const uint8_t *srca = in->data[3] + slice_start * in->linesize[3];
117
    uint8_t *dstg = out->data[0] + slice_start * out->linesize[0];
118
    uint8_t *dstb = out->data[1] + slice_start * out->linesize[1];
119
    uint8_t *dstr = out->data[2] + slice_start * out->linesize[2];
120
    uint8_t *dsta = out->data[3] + slice_start * out->linesize[3];
121
    int i, j;
122
123
    for (i = slice_start; i < slice_end; i++) {
124
        for (j = 0; j < out->width; j++) {
125
            const uint8_t rin = srcr[j];
126
            const uint8_t gin = srcg[j];
127
            const uint8_t bin = srcb[j];
128
            const uint8_t ain = have_alpha ? srca[j] : 0;
129
130
            dstr[j] = av_clip_uint8(s->lut[R][R][rin] +
131
                                    s->lut[R][G][gin] +
132
                                    s->lut[R][B][bin] +
133
                                    (have_alpha == 1 ? s->lut[R][A][ain] : 0));
134
            dstg[j] = av_clip_uint8(s->lut[G][R][rin] +
135
                                    s->lut[G][G][gin] +
136
                                    s->lut[G][B][bin] +
137
                                    (have_alpha == 1 ? s->lut[G][A][ain] : 0));
138
            dstb[j] = av_clip_uint8(s->lut[B][R][rin] +
139
                                    s->lut[B][G][gin] +
140
                                    s->lut[B][B][bin] +
141
                                    (have_alpha == 1 ? s->lut[B][A][ain] : 0));
142
            if (have_alpha == 1) {
143
                dsta[j] = av_clip_uint8(s->lut[A][R][rin] +
144
                                        s->lut[A][G][gin] +
145
                                        s->lut[A][B][bin] +
146
                                        s->lut[A][A][ain]);
147
            }
148
        }
149
150
        srcg += in->linesize[0];
151
        srcb += in->linesize[1];
152
        srcr += in->linesize[2];
153
        srca += in->linesize[3];
154
        dstg += out->linesize[0];
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        dstb += out->linesize[1];
156
        dstr += out->linesize[2];
157
        dsta += out->linesize[3];
158
    }
159
160
    return 0;
161
}
162
163
static av_always_inline int filter_slice_rgba16_planar(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs,
164
                                                       int have_alpha, int depth)
165
{
166
    ColorChannelMixerContext *s = ctx->priv;
167
    ThreadData *td = arg;
168
    AVFrame *in = td->in;
169
    AVFrame *out = td->out;
170
    const int slice_start = (out->height * jobnr) / nb_jobs;
171
    const int slice_end = (out->height * (jobnr+1)) / nb_jobs;
172
    const uint16_t *srcg = (const uint16_t *)(in->data[0] + slice_start * in->linesize[0]);
173
    const uint16_t *srcb = (const uint16_t *)(in->data[1] + slice_start * in->linesize[1]);
174
    const uint16_t *srcr = (const uint16_t *)(in->data[2] + slice_start * in->linesize[2]);
175
    const uint16_t *srca = (const uint16_t *)(in->data[3] + slice_start * in->linesize[3]);
176
    uint16_t *dstg = (uint16_t *)(out->data[0] + slice_start * out->linesize[0]);
177
    uint16_t *dstb = (uint16_t *)(out->data[1] + slice_start * out->linesize[1]);
178
    uint16_t *dstr = (uint16_t *)(out->data[2] + slice_start * out->linesize[2]);
179
    uint16_t *dsta = (uint16_t *)(out->data[3] + slice_start * out->linesize[3]);
180
    int i, j;
181
182
    for (i = slice_start; i < slice_end; i++) {
183
        for (j = 0; j < out->width; j++) {
184
            const uint16_t rin = srcr[j];
185
            const uint16_t gin = srcg[j];
186
            const uint16_t bin = srcb[j];
187
            const uint16_t ain = have_alpha ? srca[j] : 0;
188
189
            dstr[j] = av_clip_uintp2(s->lut[R][R][rin] +
190
                                     s->lut[R][G][gin] +
191
                                     s->lut[R][B][bin] +
192
                                     (have_alpha == 1 ? s->lut[R][A][ain] : 0), depth);
193
            dstg[j] = av_clip_uintp2(s->lut[G][R][rin] +
194
                                     s->lut[G][G][gin] +
195
                                     s->lut[G][B][bin] +
196
                                     (have_alpha == 1 ? s->lut[G][A][ain] : 0), depth);
197
            dstb[j] = av_clip_uintp2(s->lut[B][R][rin] +
198
                                     s->lut[B][G][gin] +
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                                     s->lut[B][B][bin] +
200
                                     (have_alpha == 1 ? s->lut[B][A][ain] : 0), depth);
201
            if (have_alpha == 1) {
202
                dsta[j] = av_clip_uintp2(s->lut[A][R][rin] +
203
                                         s->lut[A][G][gin] +
204
                                         s->lut[A][B][bin] +
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                                         s->lut[A][A][ain], depth);
206
            }
207
        }
208
209
        srcg += in->linesize[0] / 2;
210
        srcb += in->linesize[1] / 2;
211
        srcr += in->linesize[2] / 2;
212
        srca += in->linesize[3] / 2;
213
        dstg += out->linesize[0] / 2;
214
        dstb += out->linesize[1] / 2;
215
        dstr += out->linesize[2] / 2;
216
        dsta += out->linesize[3] / 2;
217
    }
218
219
    return 0;
220
}
221
222
static int filter_slice_gbrp(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
223
{
224
    return filter_slice_rgba_planar(ctx, arg, jobnr, nb_jobs, 0);
225
}
226
227
static int filter_slice_gbrap(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
228
{
229
    return filter_slice_rgba_planar(ctx, arg, jobnr, nb_jobs, 1);
230
}
231
232
static int filter_slice_gbrp9(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
233
{
234
    return filter_slice_rgba16_planar(ctx, arg, jobnr, nb_jobs, 0, 9);
235
}
236
237
static int filter_slice_gbrp10(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
238
{
239
    return filter_slice_rgba16_planar(ctx, arg, jobnr, nb_jobs, 0, 10);
240
}
241
242
static int filter_slice_gbrap10(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
243
{
244
    return filter_slice_rgba16_planar(ctx, arg, jobnr, nb_jobs, 1, 10);
245
}
246
247
static int filter_slice_gbrp12(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
248
{
249
    return filter_slice_rgba16_planar(ctx, arg, jobnr, nb_jobs, 0, 12);
250
}
251
252
static int filter_slice_gbrap12(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
253
{
254
    return filter_slice_rgba16_planar(ctx, arg, jobnr, nb_jobs, 1, 12);
255
}
256
257
static int filter_slice_gbrp14(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
258
{
259
    return filter_slice_rgba16_planar(ctx, arg, jobnr, nb_jobs, 0, 14);
260
}
261
262
static int filter_slice_gbrp16(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
263
{
264
    return filter_slice_rgba16_planar(ctx, arg, jobnr, nb_jobs, 0, 16);
265
}
266
267
static int filter_slice_gbrap16(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
268
{
269
    return filter_slice_rgba16_planar(ctx, arg, jobnr, nb_jobs, 1, 16);
270
}
271
272
450
static av_always_inline int filter_slice_rgba_packed(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs,
273
                                                     int have_alpha, int step)
274
{
275
450
    ColorChannelMixerContext *s = ctx->priv;
276
450
    ThreadData *td = arg;
277
450
    AVFrame *in = td->in;
278
450
    AVFrame *out = td->out;
279
450
    const int slice_start = (out->height * jobnr) / nb_jobs;
280
450
    const int slice_end = (out->height * (jobnr+1)) / nb_jobs;
281
450
    const uint8_t roffset = s->rgba_map[R];
282
450
    const uint8_t goffset = s->rgba_map[G];
283
450
    const uint8_t boffset = s->rgba_map[B];
284
450
    const uint8_t aoffset = s->rgba_map[A];
285
450
    const uint8_t *srcrow = in->data[0] + slice_start * in->linesize[0];
286
450
    uint8_t *dstrow = out->data[0] + slice_start * out->linesize[0];
287
    int i, j;
288
289
14850
    for (i = slice_start; i < slice_end; i++) {
290
14400
        const uint8_t *src = srcrow;
291
14400
        uint8_t *dst = dstrow;
292
293
5083200
        for (j = 0; j < out->width * step; j += step) {
294
5068800
            const uint8_t rin = src[j + roffset];
295
5068800
            const uint8_t gin = src[j + goffset];
296
5068800
            const uint8_t bin = src[j + boffset];
297
5068800
            const uint8_t ain = src[j + aoffset];
298
299
10137600
            dst[j + roffset] = av_clip_uint8(s->lut[R][R][rin] +
300
5068800
                                             s->lut[R][G][gin] +
301
5068800
                                             s->lut[R][B][bin] +
302
5068800
                                             (have_alpha == 1 ? s->lut[R][A][ain] : 0));
303
10137600
            dst[j + goffset] = av_clip_uint8(s->lut[G][R][rin] +
304
5068800
                                             s->lut[G][G][gin] +
305
5068800
                                             s->lut[G][B][bin] +
306
5068800
                                             (have_alpha == 1 ? s->lut[G][A][ain] : 0));
307
10137600
            dst[j + boffset] = av_clip_uint8(s->lut[B][R][rin] +
308
5068800
                                             s->lut[B][G][gin] +
309
5068800
                                             s->lut[B][B][bin] +
310
5068800
                                             (have_alpha == 1 ? s->lut[B][A][ain] : 0));
311
5068800
            if (have_alpha == 1) {
312
                dst[j + aoffset] = av_clip_uint8(s->lut[A][R][rin] +
313
                                                 s->lut[A][G][gin] +
314
                                                 s->lut[A][B][bin] +
315
                                                 s->lut[A][A][ain]);
316

5068800
            } else if (have_alpha == -1 && in != out)
317
                dst[j + aoffset] = 0;
318
        }
319
320
14400
        srcrow += in->linesize[0];
321
14400
        dstrow += out->linesize[0];
322
    }
323
324
450
    return 0;
325
}
326
327
static av_always_inline int filter_slice_rgba16_packed(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs,
328
                                                       int have_alpha, int step)
329
{
330
    ColorChannelMixerContext *s = ctx->priv;
331
    ThreadData *td = arg;
332
    AVFrame *in = td->in;
333
    AVFrame *out = td->out;
334
    const int slice_start = (out->height * jobnr) / nb_jobs;
335
    const int slice_end = (out->height * (jobnr+1)) / nb_jobs;
336
    const uint8_t roffset = s->rgba_map[R];
337
    const uint8_t goffset = s->rgba_map[G];
338
    const uint8_t boffset = s->rgba_map[B];
339
    const uint8_t aoffset = s->rgba_map[A];
340
    const uint8_t *srcrow = in->data[0] + slice_start * in->linesize[0];
341
    uint8_t *dstrow = out->data[0] + slice_start * out->linesize[0];
342
    int i, j;
343
344
    for (i = slice_start; i < slice_end; i++) {
345
        const uint16_t *src = (const uint16_t *)srcrow;
346
        uint16_t *dst = (uint16_t *)dstrow;
347
348
        for (j = 0; j < out->width * step; j += step) {
349
            const uint16_t rin = src[j + roffset];
350
            const uint16_t gin = src[j + goffset];
351
            const uint16_t bin = src[j + boffset];
352
            const uint16_t ain = src[j + aoffset];
353
354
            dst[j + roffset] = av_clip_uint16(s->lut[R][R][rin] +
355
                                              s->lut[R][G][gin] +
356
                                              s->lut[R][B][bin] +
357
                                              (have_alpha == 1 ? s->lut[R][A][ain] : 0));
358
            dst[j + goffset] = av_clip_uint16(s->lut[G][R][rin] +
359
                                              s->lut[G][G][gin] +
360
                                              s->lut[G][B][bin] +
361
                                              (have_alpha == 1 ? s->lut[G][A][ain] : 0));
362
            dst[j + boffset] = av_clip_uint16(s->lut[B][R][rin] +
363
                                              s->lut[B][G][gin] +
364
                                              s->lut[B][B][bin] +
365
                                              (have_alpha == 1 ? s->lut[B][A][ain] : 0));
366
            if (have_alpha == 1) {
367
                dst[j + aoffset] = av_clip_uint16(s->lut[A][R][rin] +
368
                                                  s->lut[A][G][gin] +
369
                                                  s->lut[A][B][bin] +
370
                                                  s->lut[A][A][ain]);
371
            }
372
        }
373
374
        srcrow += in->linesize[0];
375
        dstrow += out->linesize[0];
376
    }
377
378
    return 0;
379
}
380
381
static int filter_slice_rgba64(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
382
{
383
    return filter_slice_rgba16_packed(ctx, arg, jobnr, nb_jobs, 1, 4);
384
}
385
386
static int filter_slice_rgb48(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
387
{
388
    return filter_slice_rgba16_packed(ctx, arg, jobnr, nb_jobs, 0, 3);
389
}
390
391
static int filter_slice_rgba(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
392
{
393
    return filter_slice_rgba_packed(ctx, arg, jobnr, nb_jobs, 1, 4);
394
}
395
396
450
static int filter_slice_rgb24(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
397
{
398
450
    return filter_slice_rgba_packed(ctx, arg, jobnr, nb_jobs, 0, 3);
399
}
400
401
static int filter_slice_rgb0(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
402
{
403
    return filter_slice_rgba_packed(ctx, arg, jobnr, nb_jobs, -1, 4);
404
}
405
406
1
static int config_output(AVFilterLink *outlink)
407
{
408
1
    AVFilterContext *ctx = outlink->src;
409
1
    ColorChannelMixerContext *s = ctx->priv;
410
1
    const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(outlink->format);
411
1
    const int depth = desc->comp[0].depth;
412
1
    int i, j, size, *buffer = s->buffer;
413
414
1
    ff_fill_rgba_map(s->rgba_map, outlink->format);
415
416
1
    size = 1 << depth;
417
1
    if (!s->buffer) {
418
1
        s->buffer = buffer = av_malloc(16 * size * sizeof(*s->buffer));
419
1
        if (!s->buffer)
420
            return AVERROR(ENOMEM);
421
422
5
        for (i = 0; i < 4; i++)
423
20
            for (j = 0; j < 4; j++, buffer += size)
424
16
                s->lut[i][j] = buffer;
425
    }
426
427
257
    for (i = 0; i < size; i++) {
428
256
        s->lut[R][R][i] = lrint(i * s->rr);
429
256
        s->lut[R][G][i] = lrint(i * s->rg);
430
256
        s->lut[R][B][i] = lrint(i * s->rb);
431
256
        s->lut[R][A][i] = lrint(i * s->ra);
432
433
256
        s->lut[G][R][i] = lrint(i * s->gr);
434
256
        s->lut[G][G][i] = lrint(i * s->gg);
435
256
        s->lut[G][B][i] = lrint(i * s->gb);
436
256
        s->lut[G][A][i] = lrint(i * s->ga);
437
438
256
        s->lut[B][R][i] = lrint(i * s->br);
439
256
        s->lut[B][G][i] = lrint(i * s->bg);
440
256
        s->lut[B][B][i] = lrint(i * s->bb);
441
256
        s->lut[B][A][i] = lrint(i * s->ba);
442
443
256
        s->lut[A][R][i] = lrint(i * s->ar);
444
256
        s->lut[A][G][i] = lrint(i * s->ag);
445
256
        s->lut[A][B][i] = lrint(i * s->ab);
446
256
        s->lut[A][A][i] = lrint(i * s->aa);
447
    }
448
449




1
    switch (outlink->format) {
450
1
    case AV_PIX_FMT_BGR24:
451
    case AV_PIX_FMT_RGB24:
452
1
        s->filter_slice = filter_slice_rgb24;
453
1
        break;
454
    case AV_PIX_FMT_0BGR:
455
    case AV_PIX_FMT_0RGB:
456
    case AV_PIX_FMT_BGR0:
457
    case AV_PIX_FMT_RGB0:
458
        s->filter_slice = filter_slice_rgb0;
459
        break;
460
    case AV_PIX_FMT_ABGR:
461
    case AV_PIX_FMT_ARGB:
462
    case AV_PIX_FMT_BGRA:
463
    case AV_PIX_FMT_RGBA:
464
        s->filter_slice = filter_slice_rgba;
465
        break;
466
    case AV_PIX_FMT_BGR48:
467
    case AV_PIX_FMT_RGB48:
468
        s->filter_slice = filter_slice_rgb48;
469
        break;
470
    case AV_PIX_FMT_BGRA64:
471
    case AV_PIX_FMT_RGBA64:
472
        s->filter_slice = filter_slice_rgba64;
473
        break;
474
    case AV_PIX_FMT_GBRP:
475
        s->filter_slice = filter_slice_gbrp;
476
        break;
477
    case AV_PIX_FMT_GBRAP:
478
        s->filter_slice = filter_slice_gbrap;
479
        break;
480
    case AV_PIX_FMT_GBRP9:
481
        s->filter_slice = filter_slice_gbrp9;
482
        break;
483
    case AV_PIX_FMT_GBRP10:
484
        s->filter_slice = filter_slice_gbrp10;
485
        break;
486
    case AV_PIX_FMT_GBRAP10:
487
        s->filter_slice = filter_slice_gbrap10;
488
        break;
489
    case AV_PIX_FMT_GBRP12:
490
        s->filter_slice = filter_slice_gbrp12;
491
        break;
492
    case AV_PIX_FMT_GBRAP12:
493
        s->filter_slice = filter_slice_gbrap12;
494
        break;
495
    case AV_PIX_FMT_GBRP14:
496
        s->filter_slice = filter_slice_gbrp14;
497
        break;
498
    case AV_PIX_FMT_GBRP16:
499
        s->filter_slice = filter_slice_gbrp16;
500
        break;
501
    case AV_PIX_FMT_GBRAP16:
502
        s->filter_slice = filter_slice_gbrap16;
503
        break;
504
    }
505
506
1
    return 0;
507
}
508
509
50
static int filter_frame(AVFilterLink *inlink, AVFrame *in)
510
{
511
50
    AVFilterContext *ctx = inlink->dst;
512
50
    ColorChannelMixerContext *s = ctx->priv;
513
50
    AVFilterLink *outlink = ctx->outputs[0];
514
    ThreadData td;
515
    AVFrame *out;
516
517
50
    if (av_frame_is_writable(in)) {
518
50
        out = in;
519
    } else {
520
        out = ff_get_video_buffer(outlink, outlink->w, outlink->h);
521
        if (!out) {
522
            av_frame_free(&in);
523
            return AVERROR(ENOMEM);
524
        }
525
        av_frame_copy_props(out, in);
526
    }
527
528
50
    td.in = in;
529
50
    td.out = out;
530
50
    ctx->internal->execute(ctx, s->filter_slice, &td, NULL, FFMIN(outlink->h, ff_filter_get_nb_threads(ctx)));
531
532
50
    if (in != out)
533
        av_frame_free(&in);
534
50
    return ff_filter_frame(outlink, out);
535
}
536
537
static int process_command(AVFilterContext *ctx, const char *cmd, const char *args,
538
                           char *res, int res_len, int flags)
539
{
540
    int ret = ff_filter_process_command(ctx, cmd, args, res, res_len, flags);
541
542
    if (ret < 0)
543
        return ret;
544
545
    return config_output(ctx->outputs[0]);
546
}
547
548
1
static av_cold void uninit(AVFilterContext *ctx)
549
{
550
1
    ColorChannelMixerContext *s = ctx->priv;
551
552
1
    av_freep(&s->buffer);
553
1
}
554
555
static const AVFilterPad colorchannelmixer_inputs[] = {
556
    {
557
        .name         = "default",
558
        .type         = AVMEDIA_TYPE_VIDEO,
559
        .filter_frame = filter_frame,
560
    },
561
    { NULL }
562
};
563
564
static const AVFilterPad colorchannelmixer_outputs[] = {
565
    {
566
        .name         = "default",
567
        .type         = AVMEDIA_TYPE_VIDEO,
568
        .config_props = config_output,
569
    },
570
    { NULL }
571
};
572
573
AVFilter ff_vf_colorchannelmixer = {
574
    .name          = "colorchannelmixer",
575
    .description   = NULL_IF_CONFIG_SMALL("Adjust colors by mixing color channels."),
576
    .priv_size     = sizeof(ColorChannelMixerContext),
577
    .priv_class    = &colorchannelmixer_class,
578
    .uninit        = uninit,
579
    .query_formats = query_formats,
580
    .inputs        = colorchannelmixer_inputs,
581
    .outputs       = colorchannelmixer_outputs,
582
    .flags         = AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC | AVFILTER_FLAG_SLICE_THREADS,
583
    .process_command = process_command,
584
};