FFmpeg coverage

Directory: ../../../ffmpeg/
File: src/libavfilter/buffersink.c
Date: 2025-10-10 03:51:19
Exec Total Coverage
Lines: 125 239 52.3%
Functions: 24 29 82.8%
Branches: 85 246 34.6%
Line Branch Exec Source
1 /*
2 * Copyright (c) 2011 Stefano Sabatini
3 *
4 * This file is part of FFmpeg.
5 *
6 * 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 *
11 * FFmpeg is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
15 *
16 * 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 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19 */
20
21 /**
22 * @file
23 * buffer sink
24 */
25
26 #include "libavutil/avassert.h"
27 #include "libavutil/avstring.h"
28 #include "libavutil/channel_layout.h"
29 #include "libavutil/common.h"
30 #include "libavutil/internal.h"
31 #include "libavutil/mem.h"
32 #include "libavutil/opt.h"
33
34 #include "audio.h"
35 #include "avfilter.h"
36 #include "avfilter_internal.h"
37 #include "buffersink.h"
38 #include "filters.h"
39 #include "formats.h"
40 #include "framequeue.h"
41 #include "video.h"
42
43 typedef struct BufferSinkContext {
44 const AVClass *class;
45 unsigned warning_limit;
46 unsigned frame_size;
47
48 /* only used for video */
49 #if FF_API_BUFFERSINK_OPTS
50 enum AVPixelFormat *pixel_fmts; ///< list of accepted pixel formats
51 int pixel_fmts_size;
52 enum AVColorSpace *color_spaces; ///< list of accepted color spaces
53 int color_spaces_size;
54 enum AVColorRange *color_ranges; ///< list of accepted color ranges
55 int color_ranges_size;
56 enum AVColorRange *alpha_modes; ///< list of accepted alpha modes
57 int alpha_modes_size;
58 #endif
59
60 enum AVPixelFormat *pixel_formats;
61 unsigned nb_pixel_formats;
62
63 int *colorspaces;
64 unsigned nb_colorspaces;
65
66 int *colorranges;
67 unsigned nb_colorranges;
68
69 int *alphamodes;
70 unsigned nb_alphamodes;
71
72 /* only used for audio */
73 #if FF_API_BUFFERSINK_OPTS
74 enum AVSampleFormat *sample_fmts; ///< list of accepted sample formats
75 int sample_fmts_size;
76 char *channel_layouts_str; ///< list of accepted channel layouts
77 int all_channel_counts;
78 int *sample_rates; ///< list of accepted sample rates
79 int sample_rates_size;
80 #endif
81
82 enum AVSampleFormat *sample_formats;
83 unsigned nb_sample_formats;
84
85 int *samplerates;
86 unsigned nb_samplerates;
87
88 AVChannelLayout *channel_layouts;
89 unsigned nb_channel_layouts;
90
91 AVFrame *peeked_frame;
92 } BufferSinkContext;
93
94 ✗ int attribute_align_arg av_buffersink_get_frame(AVFilterContext *ctx, AVFrame *frame)
95 {
96 ✗ return av_buffersink_get_frame_flags(ctx, frame, 0);
97 }
98
99 458139 static int return_or_keep_frame(BufferSinkContext *buf, AVFrame *out, AVFrame *in, int flags)
100 {
101
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 458139 if ((flags & AV_BUFFERSINK_FLAG_PEEK)) {
102 43068 buf->peeked_frame = in;
103
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 43068 return out ? av_frame_ref(out, in) : 0;
104 } else {
105 av_assert1(out);
106 415071 buf->peeked_frame = NULL;
107 415071 av_frame_move_ref(out, in);
108 415071 av_frame_free(&in);
109 415071 return 0;
110 }
111 }
112
113 1287970 static int get_frame_internal(AVFilterContext *ctx, AVFrame *frame, int flags, int samples)
114 {
115 1287970 BufferSinkContext *buf = ctx->priv;
116 1287970 AVFilterLink *inlink = ctx->inputs[0];
117 1287970 FilterLinkInternal *li = ff_link_internal(inlink);
118 int status, ret;
119 AVFrame *cur_frame;
120 int64_t pts;
121 1287970 int buffersrc_empty = 0;
122
123
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 1287970 if (buf->peeked_frame)
124 43066 return return_or_keep_frame(buf, frame, buf->peeked_frame, flags);
125
126 while (1) {
127
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 3508612 ret = samples ? ff_inlink_consume_samples(inlink, samples, samples, &cur_frame) :
128 3508612 ff_inlink_consume_frame(inlink, &cur_frame);
129
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 3508612 if (ret < 0) {
130 ✗ return ret;
131
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 3508612 } else if (ret) {
132 /* TODO return the frame instead of copying it */
133 415073 return return_or_keep_frame(buf, frame, cur_frame, flags);
134
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 3093539 } else if (ff_inlink_acknowledge_status(inlink, &status, &pts)) {
135 9288 return status;
136
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 3084251 } else if ((flags & AV_BUFFERSINK_FLAG_NO_REQUEST)) {
137 446086 return AVERROR(EAGAIN);
138
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 2638165 } else if (li->frame_wanted_out) {
139 2223572 ret = ff_filter_graph_run_once(ctx->graph);
140
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 2223572 if (ret == FFERROR_BUFFERSRC_EMPTY) {
141 374888 buffersrc_empty = 1;
142
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 1848684 } else if (ret == AVERROR(EAGAIN)) {
143
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 378906 if (buffersrc_empty)
144 374457 return ret;
145 4449 ff_inlink_request_frame(inlink);
146
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 1469778 } else if (ret < 0) {
147 ✗ return ret;
148 }
149 } else {
150 414593 ff_inlink_request_frame(inlink);
151 }
152 }
153 }
154
155 1287970 int attribute_align_arg av_buffersink_get_frame_flags(AVFilterContext *ctx, AVFrame *frame, int flags)
156 {
157 1287970 return get_frame_internal(ctx, frame, flags,
158 1287970 ff_filter_link(ctx->inputs[0])->min_samples);
159 }
160
161 ✗ int attribute_align_arg av_buffersink_get_samples(AVFilterContext *ctx,
162 AVFrame *frame, int nb_samples)
163 {
164 ✗ return get_frame_internal(ctx, frame, 0, nb_samples);
165 }
166
167 8230 static av_cold int common_init(AVFilterContext *ctx)
168 {
169 8230 BufferSinkContext *buf = ctx->priv;
170 8230 int ret = 0;
171
172 #if FF_API_BUFFERSINK_OPTS
173
174 #define CHECK_LIST_SIZE(field) \
175 if (buf->field ## _size % sizeof(*buf->field)) { \
176 av_log(ctx, AV_LOG_ERROR, "Invalid size for " #field ": %d, " \
177 "should be multiple of %d\n", \
178 buf->field ## _size, (int)sizeof(*buf->field)); \
179 return AVERROR(EINVAL); \
180 }
181
182
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 8230 if (ctx->input_pads[0].type == AVMEDIA_TYPE_VIDEO) {
183
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 6866 if ((buf->pixel_fmts_size || buf->color_spaces_size || buf->color_ranges_size || buf->alpha_modes_size) &&
184 ✗ (buf->nb_pixel_formats || buf->nb_colorspaces || buf->nb_colorranges || buf->nb_alphamodes)) {
185 ✗ av_log(ctx, AV_LOG_ERROR, "Cannot combine old and new format lists\n");
186 ✗ return AVERROR(EINVAL);
187 }
188
189
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 6866 CHECK_LIST_SIZE(pixel_fmts)
190
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 6866 CHECK_LIST_SIZE(color_spaces)
191
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 6866 CHECK_LIST_SIZE(color_ranges)
192
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 6866 CHECK_LIST_SIZE(alpha_modes)
193 } else {
194
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 1364 if ((buf->sample_fmts_size || buf->channel_layouts_str || buf->sample_rates_size) &&
195
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 26 (buf->nb_sample_formats || buf->nb_samplerates || buf->nb_channel_layouts)) {
196 ✗ av_log(ctx, AV_LOG_ERROR, "Cannot combine old and new format lists\n");
197 ✗ return AVERROR(EINVAL);
198 }
199
200
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 1364 CHECK_LIST_SIZE(sample_fmts)
201
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 1364 CHECK_LIST_SIZE(sample_rates)
202
203
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 1364 if (buf->channel_layouts_str) {
204 ✗ const char *cur = buf->channel_layouts_str;
205
206 ✗ if (buf->all_channel_counts)
207 ✗ av_log(ctx, AV_LOG_WARNING,
208 "Conflicting all_channel_counts and list in options\n");
209
210 ✗ while (cur) {
211 void *tmp;
212 ✗ char *next = strchr(cur, '|');
213 ✗ if (next)
214 ✗ *next++ = 0;
215
216 // +2 for the new element and terminator
217 ✗ tmp = av_realloc_array(buf->channel_layouts, buf->nb_channel_layouts + 2,
218 sizeof(*buf->channel_layouts));
219 ✗ if (!tmp)
220 ✗ return AVERROR(ENOMEM);
221
222 ✗ buf->channel_layouts = tmp;
223 ✗ memset(&buf->channel_layouts[buf->nb_channel_layouts], 0,
224 sizeof(*buf->channel_layouts) * 2);
225 ✗ buf->nb_channel_layouts++;
226
227 ✗ ret = av_channel_layout_from_string(&buf->channel_layouts[buf->nb_channel_layouts - 1], cur);
228 ✗ if (ret < 0) {
229 ✗ av_log(ctx, AV_LOG_ERROR, "Error parsing channel layout: %s.\n", cur);
230 ✗ return ret;
231 }
232 ✗ if (ret < 0)
233 ✗ return ret;
234
235 ✗ cur = next;
236 }
237
238 ✗ if (buf->nb_channel_layouts)
239 ✗ buf->channel_layouts[buf->nb_channel_layouts] = (AVChannelLayout){ 0 };
240 }
241 }
242
243 #undef CHECK_LIST_SIZE
244
245 #endif
246
247 8230 buf->warning_limit = 100;
248 8230 return 0;
249 }
250
251 #define TERMINATE_ARRAY(arr, val) \
252 if (s->arr) { \
253 void *tmp = av_realloc_array(s->arr, s->nb_ ## arr + 1, sizeof(*s->arr)); \
254 if (!tmp) \
255 return AVERROR(ENOMEM); \
256 s->arr = tmp; \
257 s->arr[s->nb_ ## arr] = val; \
258 }
259
260 6866 static int init_video(AVFilterContext *ctx)
261 {
262 6866 BufferSinkContext *s = ctx->priv;
263
264
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 6866 TERMINATE_ARRAY(pixel_formats, AV_PIX_FMT_NONE);
265
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 6866 TERMINATE_ARRAY(colorranges, -1);
266
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 6866 TERMINATE_ARRAY(colorspaces, -1);
267
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 6866 TERMINATE_ARRAY(alphamodes, -1);
268
269 6866 return common_init(ctx);
270 }
271
272 1364 static int init_audio(AVFilterContext *ctx)
273 {
274 1364 BufferSinkContext *s = ctx->priv;
275
276
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 1364 TERMINATE_ARRAY(sample_formats, AV_SAMPLE_FMT_NONE);
277
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 1364 TERMINATE_ARRAY(samplerates, -1);
278
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 1364 TERMINATE_ARRAY(channel_layouts, (AVChannelLayout){ .nb_channels = 0 });
279
280 1364 return common_init(ctx);
281 }
282
283 #undef TERMINATE_ARRAY
284
285 8230 static void uninit(AVFilterContext *ctx)
286 {
287 8230 BufferSinkContext *buf = ctx->priv;
288
289 8230 av_frame_free(&buf->peeked_frame);
290 8230 }
291
292 421282 static int activate(AVFilterContext *ctx)
293 {
294 421282 BufferSinkContext *buf = ctx->priv;
295 421282 FilterLinkInternal * const li = ff_link_internal(ctx->inputs[0]);
296
297
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 421282 if (buf->warning_limit &&
298
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 421282 ff_framequeue_queued_frames(&li->fifo) >= buf->warning_limit) {
299 ✗ av_log(ctx, AV_LOG_WARNING,
300 "%d buffers queued in %s, something may be wrong.\n",
301 buf->warning_limit,
302 ✗ (char *)av_x_if_null(ctx->name, ctx->filter->name));
303 ✗ buf->warning_limit *= 10;
304 }
305
306 /* The frame is queued, the rest is up to get_frame_internal */
307 421282 return 0;
308 }
309
310 1364 static int config_input_audio(AVFilterLink *inlink)
311 {
312 1364 BufferSinkContext *buf = inlink->dst->priv;
313 1364 FilterLink *l = ff_filter_link(inlink);
314
315 1364 l->min_samples = l->max_samples = buf->frame_size;
316
317 1364 return 0;
318 }
319
320 ✗ void av_buffersink_set_frame_size(AVFilterContext *ctx, unsigned frame_size)
321 {
322 ✗ BufferSinkContext *buf = ctx->priv;
323 ✗ buf->frame_size = frame_size;
324
325 ✗ if (ctx->inputs && ctx->inputs[0]) {
326 ✗ FilterLink *l = ff_filter_link(ctx->inputs[0]);
327 ✗ l->min_samples = l->max_samples = buf->frame_size;
328 }
329 ✗ }
330
331 #define MAKE_AVFILTERLINK_ACCESSOR(type, field) \
332 type av_buffersink_get_##field(const AVFilterContext *ctx) { \
333 av_assert0(fffilter(ctx->filter)->activate == activate); \
334 return ctx->inputs[0]->field; \
335 }
336
337
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 54 MAKE_AVFILTERLINK_ACCESSOR(enum AVMediaType , type )
338
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 423357 MAKE_AVFILTERLINK_ACCESSOR(AVRational , time_base )
339
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 8230 MAKE_AVFILTERLINK_ACCESSOR(int , format )
340
341
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 8204 MAKE_AVFILTERLINK_ACCESSOR(int , w )
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 8204 MAKE_AVFILTERLINK_ACCESSOR(int , h )
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 8204 MAKE_AVFILTERLINK_ACCESSOR(AVRational , sample_aspect_ratio)
344
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 8176 MAKE_AVFILTERLINK_ACCESSOR(enum AVColorSpace, colorspace)
345
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 8176 MAKE_AVFILTERLINK_ACCESSOR(enum AVColorRange, color_range)
346
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 8176 MAKE_AVFILTERLINK_ACCESSOR(enum AVAlphaMode , alpha_mode)
347
348
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 8202 MAKE_AVFILTERLINK_ACCESSOR(int , sample_rate )
349
350 10617 AVRational av_buffersink_get_frame_rate(const AVFilterContext *ctx)
351 {
352 10617 FilterLink *l = ff_filter_link(ctx->inputs[0]);
353
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 10617 av_assert0(fffilter(ctx->filter)->activate == activate);
354 10617 return l->frame_rate;
355 }
356
357 ✗ AVBufferRef* av_buffersink_get_hw_frames_ctx(const AVFilterContext *ctx)
358 {
359 ✗ FilterLink *l = ff_filter_link(ctx->inputs[0]);
360 ✗ av_assert0(fffilter(ctx->filter)->activate == activate);
361 ✗ return l->hw_frames_ctx;
362 }
363
364 ✗ int av_buffersink_get_channels(const AVFilterContext *ctx)
365 {
366 ✗ av_assert0(fffilter(ctx->filter)->activate == activate);
367 ✗ return ctx->inputs[0]->ch_layout.nb_channels;
368 }
369
370 8202 int av_buffersink_get_ch_layout(const AVFilterContext *ctx, AVChannelLayout *out)
371 {
372 8202 AVChannelLayout ch_layout = { 0 };
373 int ret;
374
375
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 8202 av_assert0(fffilter(ctx->filter)->activate == activate);
376 8202 ret = av_channel_layout_copy(&ch_layout, &ctx->inputs[0]->ch_layout);
377
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 8202 if (ret < 0)
378 ✗ return ret;
379 8202 *out = ch_layout;
380 8202 return 0;
381 }
382
383 8176 const AVFrameSideData *const *av_buffersink_get_side_data(const AVFilterContext *ctx,
384 int *nb_side_data)
385 {
386
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 8176 av_assert0(fffilter(ctx->filter)->activate == activate);
387 8176 *nb_side_data = ctx->inputs[0]->nb_side_data;
388 8176 return (const AVFrameSideData *const *)ctx->inputs[0]->side_data;
389 }
390
391 #if FF_API_BUFFERSINK_OPTS
392 #define NB_ITEMS(list) (list ## _size / sizeof(*list))
393 #endif
394
395 6866 static int vsink_query_formats(const AVFilterContext *ctx,
396 AVFilterFormatsConfig **cfg_in,
397 AVFilterFormatsConfig **cfg_out)
398 {
399 6866 const BufferSinkContext *buf = ctx->priv;
400 int ret;
401
402 #if FF_API_BUFFERSINK_OPTS
403
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 6866 if (buf->nb_pixel_formats || buf->nb_colorspaces || buf->nb_colorranges || buf->nb_alphamodes) {
404 #endif
405 ✗ if (buf->nb_pixel_formats) {
406 ✗ ret = ff_set_common_formats_from_list2(ctx, cfg_in, cfg_out, buf->pixel_formats);
407 ✗ if (ret < 0)
408 ✗ return ret;
409 }
410 ✗ if (buf->nb_colorspaces) {
411 ✗ ret = ff_set_common_color_spaces_from_list2(ctx, cfg_in, cfg_out, buf->colorspaces);
412 ✗ if (ret < 0)
413 ✗ return ret;
414 }
415 ✗ if (buf->nb_colorranges) {
416 ✗ ret = ff_set_common_color_ranges_from_list2(ctx, cfg_in, cfg_out, buf->colorranges);
417 ✗ if (ret < 0)
418 ✗ return ret;
419 }
420 ✗ if (buf->nb_alphamodes) {
421 ✗ ret = ff_set_common_alpha_modes_from_list2(ctx, cfg_in, cfg_out, buf->alphamodes);
422 ✗ if (ret < 0)
423 ✗ return ret;
424 }
425 #if FF_API_BUFFERSINK_OPTS
426 } else {
427 unsigned i;
428
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 6866 if (buf->pixel_fmts_size) {
429 ✗ AVFilterFormats *formats = NULL;
430 ✗ for (i = 0; i < NB_ITEMS(buf->pixel_fmts); i++)
431 ✗ if ((ret = ff_add_format(&formats, buf->pixel_fmts[i])) < 0)
432 ✗ return ret;
433 ✗ if ((ret = ff_set_common_formats2(ctx, cfg_in, cfg_out, formats)) < 0)
434 ✗ return ret;
435 }
436
437
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 6866 if (buf->color_spaces_size) {
438 ✗ AVFilterFormats *formats = NULL;
439 ✗ for (i = 0; i < NB_ITEMS(buf->color_spaces); i++)
440 ✗ if ((ret = ff_add_format(&formats, buf->color_spaces[i])) < 0)
441 ✗ return ret;
442 ✗ if ((ret = ff_set_common_color_spaces2(ctx, cfg_in, cfg_out, formats)) < 0)
443 ✗ return ret;
444 }
445
446
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 6866 if (buf->color_ranges_size) {
447 ✗ AVFilterFormats *formats = NULL;
448 ✗ for (i = 0; i < NB_ITEMS(buf->color_ranges); i++)
449 ✗ if ((ret = ff_add_format(&formats, buf->color_ranges[i])) < 0)
450 ✗ return ret;
451 ✗ if ((ret = ff_set_common_color_ranges2(ctx, cfg_in, cfg_out, formats)) < 0)
452 ✗ return ret;
453 }
454
455
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 6866 if (buf->alpha_modes_size) {
456 ✗ AVFilterFormats *formats = NULL;
457 ✗ for (i = 0; i < NB_ITEMS(buf->alpha_modes); i++)
458 ✗ if ((ret = ff_add_format(&formats, buf->alpha_modes[i])) < 0)
459 ✗ return ret;
460 ✗ if ((ret = ff_set_common_alpha_modes2(ctx, cfg_in, cfg_out, formats)) < 0)
461 ✗ return ret;
462 }
463 }
464 #endif
465
466 6866 return 0;
467 }
468
469 1364 static int asink_query_formats(const AVFilterContext *ctx,
470 AVFilterFormatsConfig **cfg_in,
471 AVFilterFormatsConfig **cfg_out)
472 {
473 1364 const BufferSinkContext *buf = ctx->priv;
474 int ret;
475
476 #if FF_API_BUFFERSINK_OPTS
477
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 1364 if (buf->nb_sample_formats || buf->nb_samplerates || buf->nb_channel_layouts) {
478 #endif
479 ✗ if (buf->nb_sample_formats) {
480 ✗ ret = ff_set_common_formats_from_list2(ctx, cfg_in, cfg_out, buf->sample_formats);
481 ✗ if (ret < 0)
482 ✗ return ret;
483 }
484 ✗ if (buf->nb_samplerates) {
485 ✗ ret = ff_set_common_samplerates_from_list2(ctx, cfg_in, cfg_out, buf->samplerates);
486 ✗ if (ret < 0)
487 ✗ return ret;
488 }
489 ✗ if (buf->nb_channel_layouts) {
490 ✗ ret = ff_set_common_channel_layouts_from_list2(ctx, cfg_in, cfg_out, buf->channel_layouts);
491 ✗ if (ret < 0)
492 ✗ return ret;
493 }
494 #if FF_API_BUFFERSINK_OPTS
495 } else {
496 1364 AVFilterFormats *formats = NULL;
497 unsigned i;
498
499
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 1364 if (buf->sample_fmts_size) {
500
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 156 for (i = 0; i < NB_ITEMS(buf->sample_fmts); i++)
501
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 130 if ((ret = ff_add_format(&formats, buf->sample_fmts[i])) < 0)
502 ✗ return ret;
503
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 26 if ((ret = ff_set_common_formats2(ctx, cfg_in, cfg_out, formats)) < 0)
504 ✗ return ret;
505 }
506
507
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 1364 if (buf->nb_channel_layouts) {
508 ✗ ret = ff_set_common_channel_layouts_from_list2(ctx, cfg_in, cfg_out, buf->channel_layouts);
509 ✗ if (ret < 0)
510 ✗ return ret;
511 }
512
513
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 1364 if (buf->sample_rates_size) {
514 ✗ formats = NULL;
515 ✗ for (i = 0; i < NB_ITEMS(buf->sample_rates); i++)
516 ✗ if ((ret = ff_add_format(&formats, buf->sample_rates[i])) < 0)
517 ✗ return ret;
518 ✗ if ((ret = ff_set_common_samplerates2(ctx, cfg_in, cfg_out, formats)) < 0)
519 ✗ return ret;
520 }
521 }
522 #endif
523
524 1364 return 0;
525 }
526
527 #define OFFSET(x) offsetof(BufferSinkContext, x)
528 #define FLAGS AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM
529 static const AVOption buffersink_options[] = {
530 #if FF_API_BUFFERSINK_OPTS
531 { "pix_fmts", "set the supported pixel formats", OFFSET(pixel_fmts), AV_OPT_TYPE_BINARY, .flags = FLAGS | AV_OPT_FLAG_DEPRECATED },
532 { "color_spaces", "set the supported color spaces", OFFSET(color_spaces), AV_OPT_TYPE_BINARY, .flags = FLAGS | AV_OPT_FLAG_DEPRECATED },
533 { "color_ranges", "set the supported color ranges", OFFSET(color_ranges), AV_OPT_TYPE_BINARY, .flags = FLAGS | AV_OPT_FLAG_DEPRECATED },
534 #endif
535
536 { "pixel_formats", "array of supported pixel formats", OFFSET(pixel_formats),
537 AV_OPT_TYPE_PIXEL_FMT | AV_OPT_TYPE_FLAG_ARRAY, .max = INT_MAX, .flags = FLAGS },
538 { "colorspaces", "array of supported color spaces", OFFSET(colorspaces),
539 AV_OPT_TYPE_INT | AV_OPT_TYPE_FLAG_ARRAY, .max = INT_MAX, .flags = FLAGS },
540 { "colorranges", "array of supported color ranges", OFFSET(colorranges),
541 AV_OPT_TYPE_INT | AV_OPT_TYPE_FLAG_ARRAY, .max = INT_MAX, .flags = FLAGS },
542 { "alphamodes", "array of supported color ranges", OFFSET(alphamodes),
543 AV_OPT_TYPE_INT | AV_OPT_TYPE_FLAG_ARRAY, .max = INT_MAX, .flags = FLAGS },
544
545 { NULL },
546 };
547 #undef FLAGS
548 #define FLAGS AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_AUDIO_PARAM
549 static const AVOption abuffersink_options[] = {
550 #if FF_API_BUFFERSINK_OPTS
551 { "sample_fmts", "set the supported sample formats", OFFSET(sample_fmts), AV_OPT_TYPE_BINARY, .flags = FLAGS | AV_OPT_FLAG_DEPRECATED },
552 { "sample_rates", "set the supported sample rates", OFFSET(sample_rates), AV_OPT_TYPE_BINARY, .flags = FLAGS | AV_OPT_FLAG_DEPRECATED },
553 { "ch_layouts", "set a '|'-separated list of supported channel layouts",
554 OFFSET(channel_layouts_str), AV_OPT_TYPE_STRING, .flags = FLAGS | AV_OPT_FLAG_DEPRECATED },
555 { "all_channel_counts", "accept all channel counts", OFFSET(all_channel_counts), AV_OPT_TYPE_BOOL, {.i64 = 0}, 0, 1, FLAGS | AV_OPT_FLAG_DEPRECATED },
556 #endif
557
558 { "sample_formats", "array of supported sample formats", OFFSET(sample_formats),
559 AV_OPT_TYPE_SAMPLE_FMT | AV_OPT_TYPE_FLAG_ARRAY, .max = INT_MAX, .flags = FLAGS },
560 { "samplerates", "array of supported sample formats", OFFSET(samplerates),
561 AV_OPT_TYPE_INT | AV_OPT_TYPE_FLAG_ARRAY, .max = INT_MAX, .flags = FLAGS },
562 { "channel_layouts", "array of supported channel layouts", OFFSET(channel_layouts),
563 AV_OPT_TYPE_CHLAYOUT | AV_OPT_TYPE_FLAG_ARRAY, .flags = FLAGS },
564 { NULL },
565 };
566 #undef FLAGS
567
568 AVFILTER_DEFINE_CLASS(buffersink);
569 AVFILTER_DEFINE_CLASS(abuffersink);
570
571 const FFFilter ff_vsink_buffer = {
572 .p.name = "buffersink",
573 .p.description = NULL_IF_CONFIG_SMALL("Buffer video frames, and make them available to the end of the filter graph."),
574 .p.priv_class = &buffersink_class,
575 .p.outputs = NULL,
576 .priv_size = sizeof(BufferSinkContext),
577 .init = init_video,
578 .uninit = uninit,
579 .activate = activate,
580 FILTER_INPUTS(ff_video_default_filterpad),
581 FILTER_QUERY_FUNC2(vsink_query_formats),
582 };
583
584 static const AVFilterPad inputs_audio[] = {
585 {
586 .name = "default",
587 .type = AVMEDIA_TYPE_AUDIO,
588 .config_props = config_input_audio,
589 },
590 };
591
592 const FFFilter ff_asink_abuffer = {
593 .p.name = "abuffersink",
594 .p.description = NULL_IF_CONFIG_SMALL("Buffer audio frames, and make them available to the end of the filter graph."),
595 .p.priv_class = &abuffersink_class,
596 .p.outputs = NULL,
597 .priv_size = sizeof(BufferSinkContext),
598 .init = init_audio,
599 .uninit = uninit,
600 .activate = activate,
601 FILTER_INPUTS(inputs_audio),
602 FILTER_QUERY_FUNC2(asink_query_formats),
603 };
604