FFmpeg coverage


Directory: ../../../ffmpeg/
File: src/fftools/ffmpeg_filter.c
Date: 2021-09-23 20:34:37
Exec Total Coverage
Lines: 465 631 73.7%
Branches: 291 476 61.1%

Line Branch Exec Source
1 /*
2 * ffmpeg filter configuration
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 #include <stdint.h>
22
23 #include "ffmpeg.h"
24
25 #include "libavfilter/avfilter.h"
26 #include "libavfilter/buffersink.h"
27 #include "libavfilter/buffersrc.h"
28
29 #include "libavutil/avassert.h"
30 #include "libavutil/avstring.h"
31 #include "libavutil/bprint.h"
32 #include "libavutil/channel_layout.h"
33 #include "libavutil/display.h"
34 #include "libavutil/opt.h"
35 #include "libavutil/pixdesc.h"
36 #include "libavutil/pixfmt.h"
37 #include "libavutil/imgutils.h"
38 #include "libavutil/samplefmt.h"
39
40 // FIXME: YUV420P etc. are actually supported with full color range,
41 // yet the latter information isn't available here.
42 506 static const enum AVPixelFormat *get_compliance_normal_pix_fmts(const AVCodec *codec, const enum AVPixelFormat default_formats[])
43 {
44 static const enum AVPixelFormat mjpeg_formats[] =
45 { AV_PIX_FMT_YUVJ420P, AV_PIX_FMT_YUVJ422P, AV_PIX_FMT_YUVJ444P,
46 AV_PIX_FMT_NONE };
47
48
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506 if (!strcmp(codec->name, "mjpeg")) {
49 26 return mjpeg_formats;
50 } else {
51 480 return default_formats;
52 }
53 }
54
55 3403 static enum AVPixelFormat choose_pixel_fmt(AVStream *st, AVCodecContext *enc_ctx,
56 const AVCodec *codec, enum AVPixelFormat target)
57 {
58
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3403 if (codec && codec->pix_fmts) {
59 273 const enum AVPixelFormat *p = codec->pix_fmts;
60 273 const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(target);
61 //FIXME: This should check for AV_PIX_FMT_FLAG_ALPHA after PAL8 pixel format without alpha is implemented
62
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273 int has_alpha = desc ? desc->nb_components % 2 == 0 : 0;
63 273 enum AVPixelFormat best= AV_PIX_FMT_NONE;
64
65
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273 if (enc_ctx->strict_std_compliance > FF_COMPLIANCE_UNOFFICIAL) {
66 228 p = get_compliance_normal_pix_fmts(codec, p);
67 }
68
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1371 for (; *p != AV_PIX_FMT_NONE; p++) {
69 1362 best = av_find_best_pix_fmt_of_2(best, *p, target, has_alpha, NULL);
70
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1362 if (*p == target)
71 264 break;
72 }
73
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273 if (*p == AV_PIX_FMT_NONE) {
74
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9 if (target != AV_PIX_FMT_NONE)
75 18 av_log(NULL, AV_LOG_WARNING,
76 "Incompatible pixel format '%s' for codec '%s', auto-selecting format '%s'\n",
77 av_get_pix_fmt_name(target),
78 9 codec->name,
79 av_get_pix_fmt_name(best));
80 9 return best;
81 }
82 }
83 3394 return target;
84 }
85
86 4729 static char *choose_pix_fmts(OutputFilter *ofilter)
87 {
88 4729 OutputStream *ost = ofilter->ost;
89 4729 AVDictionaryEntry *strict_dict = av_dict_get(ost->encoder_opts, "strict", NULL, 0);
90
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4729 if (strict_dict)
91 // used by choose_pixel_fmt() and below
92 64 av_opt_set(ost->enc_ctx, "strict", strict_dict->value, 0);
93
94
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4729 if (ost->keep_pix_fmt) {
95 avfilter_graph_set_auto_convert(ofilter->graph->graph,
96 AVFILTER_AUTO_CONVERT_NONE);
97 if (ost->enc_ctx->pix_fmt == AV_PIX_FMT_NONE)
98 return NULL;
99 return av_strdup(av_get_pix_fmt_name(ost->enc_ctx->pix_fmt));
100 }
101
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4729 if (ost->enc_ctx->pix_fmt != AV_PIX_FMT_NONE) {
102 3403 return av_strdup(av_get_pix_fmt_name(choose_pixel_fmt(ost->st, ost->enc_ctx, ost->enc, ost->enc_ctx->pix_fmt)));
103
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1326 } else if (ost->enc && ost->enc->pix_fmts) {
104 const enum AVPixelFormat *p;
105 297 AVIOContext *s = NULL;
106 uint8_t *ret;
107 int len;
108
109
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297 if (avio_open_dyn_buf(&s) < 0)
110 exit_program(1);
111
112 297 p = ost->enc->pix_fmts;
113
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297 if (ost->enc_ctx->strict_std_compliance > FF_COMPLIANCE_UNOFFICIAL) {
114 278 p = get_compliance_normal_pix_fmts(ost->enc, p);
115 }
116
117
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1590 for (; *p != AV_PIX_FMT_NONE; p++) {
118 1293 const char *name = av_get_pix_fmt_name(*p);
119 1293 avio_printf(s, "%s|", name);
120 }
121 297 len = avio_close_dyn_buf(s, &ret);
122 297 ret[len - 1] = 0;
123 297 return ret;
124 } else
125 1029 return NULL;
126 }
127
128 /* Define a function for appending a list of allowed formats
129 * to an AVBPrint. If nonempty, the list will have a header. */
130 #define DEF_CHOOSE_FORMAT(name, type, var, supported_list, none, printf_format, get_name) \
131 static void choose_ ## name (OutputFilter *ofilter, AVBPrint *bprint) \
132 { \
133 if (ofilter->var == none && !ofilter->supported_list) \
134 return; \
135 av_bprintf(bprint, #name "="); \
136 if (ofilter->var != none) { \
137 av_bprintf(bprint, printf_format, get_name(ofilter->var)); \
138 } else { \
139 const type *p; \
140 \
141 for (p = ofilter->supported_list; *p != none; p++) { \
142 av_bprintf(bprint, printf_format "|", get_name(*p)); \
143 } \
144 if (bprint->len > 0) \
145 bprint->str[--bprint->len] = '\0'; \
146 } \
147 av_bprint_chars(bprint, ':', 1); \
148 }
149
150 //DEF_CHOOSE_FORMAT(pix_fmts, enum AVPixelFormat, format, formats, AV_PIX_FMT_NONE,
151 // GET_PIX_FMT_NAME)
152
153
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2300 DEF_CHOOSE_FORMAT(sample_fmts, enum AVSampleFormat, format, formats,
154 AV_SAMPLE_FMT_NONE, "%s", av_get_sample_fmt_name)
155
156
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1402 DEF_CHOOSE_FORMAT(sample_rates, int, sample_rate, sample_rates, 0,
157 "%d", )
158
159
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1370 DEF_CHOOSE_FORMAT(channel_layouts, uint64_t, channel_layout, channel_layouts, 0,
160 "0x%"PRIx64, )
161
162 5739 int init_simple_filtergraph(InputStream *ist, OutputStream *ost)
163 {
164 5739 FilterGraph *fg = av_mallocz(sizeof(*fg));
165
166
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5739 if (!fg)
167 exit_program(1);
168 5739 fg->index = nb_filtergraphs;
169
170 5739 GROW_ARRAY(fg->outputs, fg->nb_outputs);
171
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5739 if (!(fg->outputs[0] = av_mallocz(sizeof(*fg->outputs[0]))))
172 exit_program(1);
173 5739 fg->outputs[0]->ost = ost;
174 5739 fg->outputs[0]->graph = fg;
175 5739 fg->outputs[0]->format = -1;
176
177 5739 ost->filter = fg->outputs[0];
178
179 5739 GROW_ARRAY(fg->inputs, fg->nb_inputs);
180
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5739 if (!(fg->inputs[0] = av_mallocz(sizeof(*fg->inputs[0]))))
181 exit_program(1);
182 5739 fg->inputs[0]->ist = ist;
183 5739 fg->inputs[0]->graph = fg;
184 5739 fg->inputs[0]->format = -1;
185
186 5739 fg->inputs[0]->frame_queue = av_fifo_alloc(8 * sizeof(AVFrame*));
187
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5739 if (!fg->inputs[0]->frame_queue)
188 exit_program(1);
189
190 5739 GROW_ARRAY(ist->filters, ist->nb_filters);
191 5739 ist->filters[ist->nb_filters - 1] = fg->inputs[0];
192
193 5739 GROW_ARRAY(filtergraphs, nb_filtergraphs);
194 5739 filtergraphs[nb_filtergraphs - 1] = fg;
195
196 5739 return 0;
197 }
198
199 143 static char *describe_filter_link(FilterGraph *fg, AVFilterInOut *inout, int in)
200 {
201 143 AVFilterContext *ctx = inout->filter_ctx;
202
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143 AVFilterPad *pads = in ? ctx->input_pads : ctx->output_pads;
203
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143 int nb_pads = in ? ctx->nb_inputs : ctx->nb_outputs;
204 AVIOContext *pb;
205 143 uint8_t *res = NULL;
206
207
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143 if (avio_open_dyn_buf(&pb) < 0)
208 exit_program(1);
209
210 143 avio_printf(pb, "%s", ctx->filter->name);
211
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143 if (nb_pads > 1)
212 45 avio_printf(pb, ":%s", avfilter_pad_get_name(pads, inout->pad_idx));
213 143 avio_w8(pb, 0);
214 143 avio_close_dyn_buf(pb, &res);
215 143 return res;
216 }
217
218 60 static void init_input_filter(FilterGraph *fg, AVFilterInOut *in)
219 {
220 60 InputStream *ist = NULL;
221 60 enum AVMediaType type = avfilter_pad_get_type(in->filter_ctx->input_pads, in->pad_idx);
222 int i;
223
224 // TODO: support other filter types
225
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60 if (type != AVMEDIA_TYPE_VIDEO && type != AVMEDIA_TYPE_AUDIO) {
226 av_log(NULL, AV_LOG_FATAL, "Only video and audio filters supported "
227 "currently.\n");
228 exit_program(1);
229 }
230
231
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60 if (in->name) {
232 AVFormatContext *s;
233 12 AVStream *st = NULL;
234 char *p;
235 12 int file_idx = strtol(in->name, &p, 0);
236
237
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12 if (file_idx < 0 || file_idx >= nb_input_files) {
238 av_log(NULL, AV_LOG_FATAL, "Invalid file index %d in filtergraph description %s.\n",
239 file_idx, fg->graph_desc);
240 exit_program(1);
241 }
242 12 s = input_files[file_idx]->ctx;
243
244
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16 for (i = 0; i < s->nb_streams; i++) {
245 16 enum AVMediaType stream_type = s->streams[i]->codecpar->codec_type;
246
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16 if (stream_type != type &&
247
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5 !(stream_type == AVMEDIA_TYPE_SUBTITLE &&
248 type == AVMEDIA_TYPE_VIDEO /* sub2video hack */))
249 2 continue;
250
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14 if (check_stream_specifier(s, s->streams[i], *p == ':' ? p + 1 : p) == 1) {
251 12 st = s->streams[i];
252 12 break;
253 }
254 }
255
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12 if (!st) {
256 av_log(NULL, AV_LOG_FATAL, "Stream specifier '%s' in filtergraph description %s "
257 "matches no streams.\n", p, fg->graph_desc);
258 exit_program(1);
259 }
260 12 ist = input_streams[input_files[file_idx]->ist_index + st->index];
261
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12 if (ist->user_set_discard == AVDISCARD_ALL) {
262 av_log(NULL, AV_LOG_FATAL, "Stream specifier '%s' in filtergraph description %s "
263 "matches a disabled input stream.\n", p, fg->graph_desc);
264 exit_program(1);
265 }
266 } else {
267 /* find the first unused stream of corresponding type */
268
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66 for (i = 0; i < nb_input_streams; i++) {
269 66 ist = input_streams[i];
270
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66 if (ist->user_set_discard == AVDISCARD_ALL)
271 continue;
272
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66 if (ist->dec_ctx->codec_type == type && ist->discard)
273 48 break;
274 }
275
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48 if (i == nb_input_streams) {
276 av_log(NULL, AV_LOG_FATAL, "Cannot find a matching stream for "
277 "unlabeled input pad %d on filter %s\n", in->pad_idx,
278 in->filter_ctx->name);
279 exit_program(1);
280 }
281 }
282
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60 av_assert0(ist);
283
284 60 ist->discard = 0;
285 60 ist->decoding_needed |= DECODING_FOR_FILTER;
286 60 ist->st->discard = AVDISCARD_NONE;
287
288 60 GROW_ARRAY(fg->inputs, fg->nb_inputs);
289
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60 if (!(fg->inputs[fg->nb_inputs - 1] = av_mallocz(sizeof(*fg->inputs[0]))))
290 exit_program(1);
291 60 fg->inputs[fg->nb_inputs - 1]->ist = ist;
292 60 fg->inputs[fg->nb_inputs - 1]->graph = fg;
293 60 fg->inputs[fg->nb_inputs - 1]->format = -1;
294 60 fg->inputs[fg->nb_inputs - 1]->type = ist->st->codecpar->codec_type;
295 60 fg->inputs[fg->nb_inputs - 1]->name = describe_filter_link(fg, in, 1);
296
297 60 fg->inputs[fg->nb_inputs - 1]->frame_queue = av_fifo_alloc(8 * sizeof(AVFrame*));
298
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60 if (!fg->inputs[fg->nb_inputs - 1]->frame_queue)
299 exit_program(1);
300
301 60 GROW_ARRAY(ist->filters, ist->nb_filters);
302 60 ist->filters[ist->nb_filters - 1] = fg->inputs[fg->nb_inputs - 1];
303 60 }
304
305 80 int init_complex_filtergraph(FilterGraph *fg)
306 {
307 AVFilterInOut *inputs, *outputs, *cur;
308 AVFilterGraph *graph;
309 80 int ret = 0;
310
311 /* this graph is only used for determining the kinds of inputs
312 * and outputs we have, and is discarded on exit from this function */
313 80 graph = avfilter_graph_alloc();
314
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80 if (!graph)
315 return AVERROR(ENOMEM);
316 80 graph->nb_threads = 1;
317
318 80 ret = avfilter_graph_parse2(graph, fg->graph_desc, &inputs, &outputs);
319
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80 if (ret < 0)
320 goto fail;
321
322
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140 for (cur = inputs; cur; cur = cur->next)
323 60 init_input_filter(fg, cur);
324
325
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163 for (cur = outputs; cur;) {
326 83 GROW_ARRAY(fg->outputs, fg->nb_outputs);
327 83 fg->outputs[fg->nb_outputs - 1] = av_mallocz(sizeof(*fg->outputs[0]));
328
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83 if (!fg->outputs[fg->nb_outputs - 1])
329 exit_program(1);
330
331 83 fg->outputs[fg->nb_outputs - 1]->graph = fg;
332 83 fg->outputs[fg->nb_outputs - 1]->out_tmp = cur;
333 83 fg->outputs[fg->nb_outputs - 1]->type = avfilter_pad_get_type(cur->filter_ctx->output_pads,
334 cur->pad_idx);
335 83 fg->outputs[fg->nb_outputs - 1]->name = describe_filter_link(fg, cur, 0);
336 83 cur = cur->next;
337 83 fg->outputs[fg->nb_outputs - 1]->out_tmp->next = NULL;
338 }
339
340 80 fail:
341 80 avfilter_inout_free(&inputs);
342 80 avfilter_graph_free(&graph);
343 80 return ret;
344 }
345
346 11697 static int insert_trim(int64_t start_time, int64_t duration,
347 AVFilterContext **last_filter, int *pad_idx,
348 const char *filter_name)
349 {
350 11697 AVFilterGraph *graph = (*last_filter)->graph;
351 AVFilterContext *ctx;
352 const AVFilter *trim;
353 11697 enum AVMediaType type = avfilter_pad_get_type((*last_filter)->output_pads, *pad_idx);
354
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11697 const char *name = (type == AVMEDIA_TYPE_VIDEO) ? "trim" : "atrim";
355 11697 int ret = 0;
356
357
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11697 if (duration == INT64_MAX && start_time == AV_NOPTS_VALUE)
358 11522 return 0;
359
360 175 trim = avfilter_get_by_name(name);
361
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175 if (!trim) {
362 av_log(NULL, AV_LOG_ERROR, "%s filter not present, cannot limit "
363 "recording time.\n", name);
364 return AVERROR_FILTER_NOT_FOUND;
365 }
366
367 175 ctx = avfilter_graph_alloc_filter(graph, trim, filter_name);
368
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175 if (!ctx)
369 return AVERROR(ENOMEM);
370
371
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175 if (duration != INT64_MAX) {
372 158 ret = av_opt_set_int(ctx, "durationi", duration,
373 AV_OPT_SEARCH_CHILDREN);
374 }
375
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175 if (ret >= 0 && start_time != AV_NOPTS_VALUE) {
376 17 ret = av_opt_set_int(ctx, "starti", start_time,
377 AV_OPT_SEARCH_CHILDREN);
378 }
379
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175 if (ret < 0) {
380 av_log(ctx, AV_LOG_ERROR, "Error configuring the %s filter", name);
381 return ret;
382 }
383
384 175 ret = avfilter_init_str(ctx, NULL);
385
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175 if (ret < 0)
386 return ret;
387
388 175 ret = avfilter_link(*last_filter, *pad_idx, ctx, 0);
389
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175 if (ret < 0)
390 return ret;
391
392 175 *last_filter = ctx;
393 175 *pad_idx = 0;
394 175 return 0;
395 }
396
397 static int insert_filter(AVFilterContext **last_filter, int *pad_idx,
398 const char *filter_name, const char *args)
399 {
400 AVFilterGraph *graph = (*last_filter)->graph;
401 AVFilterContext *ctx;
402 int ret;
403
404 ret = avfilter_graph_create_filter(&ctx,
405 avfilter_get_by_name(filter_name),
406 filter_name, args, NULL, graph);
407 if (ret < 0)
408 return ret;
409
410 ret = avfilter_link(*last_filter, *pad_idx, ctx, 0);
411 if (ret < 0)
412 return ret;
413
414 *last_filter = ctx;
415 *pad_idx = 0;
416 return 0;
417 }
418
419 4729 static int configure_output_video_filter(FilterGraph *fg, OutputFilter *ofilter, AVFilterInOut *out)
420 {
421 char *pix_fmts;
422 4729 OutputStream *ost = ofilter->ost;
423 4729 OutputFile *of = output_files[ost->file_index];
424 4729 AVFilterContext *last_filter = out->filter_ctx;
425 4729 int pad_idx = out->pad_idx;
426 int ret;
427 char name[255];
428
429 4729 snprintf(name, sizeof(name), "out_%d_%d", ost->file_index, ost->index);
430 4729 ret = avfilter_graph_create_filter(&ofilter->filter,
431 avfilter_get_by_name("buffersink"),
432 name, NULL, NULL, fg->graph);
433
434
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4729 if (ret < 0)
435 return ret;
436
437
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4729 if ((ofilter->width || ofilter->height) && ofilter->ost->autoscale) {
438 char args[255];
439 AVFilterContext *filter;
440 647 AVDictionaryEntry *e = NULL;
441
442 647 snprintf(args, sizeof(args), "%d:%d",
443 ofilter->width, ofilter->height);
444
445
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1283 while ((e = av_dict_get(ost->sws_dict, "", e,
446 AV_DICT_IGNORE_SUFFIX))) {
447 636 av_strlcatf(args, sizeof(args), ":%s=%s", e->key, e->value);
448 }
449
450 647 snprintf(name, sizeof(name), "scaler_out_%d_%d",
451 ost->file_index, ost->index);
452
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647 if ((ret = avfilter_graph_create_filter(&filter, avfilter_get_by_name("scale"),
453 name, args, NULL, fg->graph)) < 0)
454 return ret;
455
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647 if ((ret = avfilter_link(last_filter, pad_idx, filter, 0)) < 0)
456 return ret;
457
458 647 last_filter = filter;
459 647 pad_idx = 0;
460 }
461
462
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4729 if ((pix_fmts = choose_pix_fmts(ofilter))) {
463 AVFilterContext *filter;
464
465 3700 ret = avfilter_graph_create_filter(&filter,
466 avfilter_get_by_name("format"),
467 "format", pix_fmts, NULL, fg->graph);
468 3700 av_freep(&pix_fmts);
469
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3700 if (ret < 0)
470 return ret;
471
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3700 if ((ret = avfilter_link(last_filter, pad_idx, filter, 0)) < 0)
472 return ret;
473
474 3700 last_filter = filter;
475 3700 pad_idx = 0;
476 }
477
478 if (ost->frame_rate.num && 0) {
479 AVFilterContext *fps;
480 char args[255];
481
482 snprintf(args, sizeof(args), "fps=%d/%d", ost->frame_rate.num,
483 ost->frame_rate.den);
484 snprintf(name, sizeof(name), "fps_out_%d_%d",
485 ost->file_index, ost->index);
486 ret = avfilter_graph_create_filter(&fps, avfilter_get_by_name("fps"),
487 name, args, NULL, fg->graph);
488 if (ret < 0)
489 return ret;
490
491 ret = avfilter_link(last_filter, pad_idx, fps, 0);
492 if (ret < 0)
493 return ret;
494 last_filter = fps;
495 pad_idx = 0;
496 }
497
498 4729 snprintf(name, sizeof(name), "trim_out_%d_%d",
499 ost->file_index, ost->index);
500 4729 ret = insert_trim(of->start_time, of->recording_time,
501 &last_filter, &pad_idx, name);
502
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4729 if (ret < 0)
503 return ret;
504
505
506
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4729 if ((ret = avfilter_link(last_filter, pad_idx, ofilter->filter, 0)) < 0)
507 return ret;
508
509 4729 return 0;
510 }
511
512 1132 static int configure_output_audio_filter(FilterGraph *fg, OutputFilter *ofilter, AVFilterInOut *out)
513 {
514 1132 OutputStream *ost = ofilter->ost;
515 1132 OutputFile *of = output_files[ost->file_index];
516 1132 AVCodecContext *codec = ost->enc_ctx;
517 1132 AVFilterContext *last_filter = out->filter_ctx;
518 1132 int pad_idx = out->pad_idx;
519 AVBPrint args;
520 char name[255];
521 int ret;
522
523 1132 snprintf(name, sizeof(name), "out_%d_%d", ost->file_index, ost->index);
524 1132 ret = avfilter_graph_create_filter(&ofilter->filter,
525 avfilter_get_by_name("abuffersink"),
526 name, NULL, NULL, fg->graph);
527
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1132 if (ret < 0)
528 return ret;
529
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1132 if ((ret = av_opt_set_int(ofilter->filter, "all_channel_counts", 1, AV_OPT_SEARCH_CHILDREN)) < 0)
530 return ret;
531
532 #define AUTO_INSERT_FILTER(opt_name, filter_name, arg) do { \
533 AVFilterContext *filt_ctx; \
534 \
535 av_log(NULL, AV_LOG_INFO, opt_name " is forwarded to lavfi " \
536 "similarly to -af " filter_name "=%s.\n", arg); \
537 \
538 ret = avfilter_graph_create_filter(&filt_ctx, \
539 avfilter_get_by_name(filter_name), \
540 filter_name, arg, NULL, fg->graph); \
541 if (ret < 0) \
542 goto fail; \
543 \
544 ret = avfilter_link(last_filter, pad_idx, filt_ctx, 0); \
545 if (ret < 0) \
546 goto fail; \
547 \
548 last_filter = filt_ctx; \
549 pad_idx = 0; \
550 } while (0)
551 1132 av_bprint_init(&args, 0, AV_BPRINT_SIZE_UNLIMITED);
552
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1132 if (ost->audio_channels_mapped) {
553 int i;
554 6 av_bprintf(&args, "0x%"PRIx64,
555 av_get_default_channel_layout(ost->audio_channels_mapped));
556
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16 for (i = 0; i < ost->audio_channels_mapped; i++)
557
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10 if (ost->audio_channels_map[i] != -1)
558 9 av_bprintf(&args, "|c%d=c%d", i, ost->audio_channels_map[i]);
559
560
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6 AUTO_INSERT_FILTER("-map_channel", "pan", args.str);
561 6 av_bprint_clear(&args);
562 }
563
564
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1132 if (codec->channels && !codec->channel_layout)
565 12 codec->channel_layout = av_get_default_channel_layout(codec->channels);
566
567 1132 choose_sample_fmts(ofilter, &args);
568 1132 choose_sample_rates(ofilter, &args);
569 1132 choose_channel_layouts(ofilter, &args);
570
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1132 if (!av_bprint_is_complete(&args)) {
571 ret = AVERROR(ENOMEM);
572 goto fail;
573 }
574
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1132 if (args.len) {
575 AVFilterContext *format;
576
577 1132 snprintf(name, sizeof(name), "format_out_%d_%d",
578 ost->file_index, ost->index);
579 1132 ret = avfilter_graph_create_filter(&format,
580 avfilter_get_by_name("aformat"),
581 1132 name, args.str, NULL, fg->graph);
582
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1132 if (ret < 0)
583 goto fail;
584
585 1132 ret = avfilter_link(last_filter, pad_idx, format, 0);
586
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1132 if (ret < 0)
587 goto fail;
588
589 1132 last_filter = format;
590 1132 pad_idx = 0;
591 }
592
593
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1132 if (ost->apad && of->shortest) {
594 int i;
595
596 for (i=0; i<of->ctx->nb_streams; i++)
597 if (of->ctx->streams[i]->codecpar->codec_type == AVMEDIA_TYPE_VIDEO)
598 break;
599
600 if (i<of->ctx->nb_streams) {
601 AUTO_INSERT_FILTER("-apad", "apad", ost->apad);
602 }
603 }
604
605 1132 snprintf(name, sizeof(name), "trim for output stream %d:%d",
606 ost->file_index, ost->index);
607 1132 ret = insert_trim(of->start_time, of->recording_time,
608 &last_filter, &pad_idx, name);
609
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1132 if (ret < 0)
610 goto fail;
611
612
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1132 if ((ret = avfilter_link(last_filter, pad_idx, ofilter->filter, 0)) < 0)
613 goto fail;
614 1132 fail:
615 1132 av_bprint_finalize(&args, NULL);
616
617 1132 return ret;
618 }
619
620 5861 static int configure_output_filter(FilterGraph *fg, OutputFilter *ofilter,
621 AVFilterInOut *out)
622 {
623
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5861 if (!ofilter->ost) {
624 av_log(NULL, AV_LOG_FATAL, "Filter %s has an unconnected output\n", ofilter->name);
625 exit_program(1);
626 }
627
628
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5861 switch (avfilter_pad_get_type(out->filter_ctx->output_pads, out->pad_idx)) {
629 4729 case AVMEDIA_TYPE_VIDEO: return configure_output_video_filter(fg, ofilter, out);
630 1132 case AVMEDIA_TYPE_AUDIO: return configure_output_audio_filter(fg, ofilter, out);
631 default: av_assert0(0); return 0;
632 }
633 }
634
635 6016 void check_filter_outputs(void)
636 {
637 int i;
638
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11835 for (i = 0; i < nb_filtergraphs; i++) {
639 int n;
640
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11641 for (n = 0; n < filtergraphs[i]->nb_outputs; n++) {
641 5822 OutputFilter *output = filtergraphs[i]->outputs[n];
642
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5822 if (!output->ost) {
643 av_log(NULL, AV_LOG_FATAL, "Filter %s has an unconnected output\n", output->name);
644 exit_program(1);
645 }
646 }
647 }
648 6016 }
649
650 4 static int sub2video_prepare(InputStream *ist, InputFilter *ifilter)
651 {
652 4 AVFormatContext *avf = input_files[ist->file_index]->ctx;
653 int i, w, h;
654
655 /* Compute the size of the canvas for the subtitles stream.
656 If the subtitles codecpar has set a size, use it. Otherwise use the
657 maximum dimensions of the video streams in the same file. */
658 4 w = ifilter->width;
659 4 h = ifilter->height;
660
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4 if (!(w && h)) {
661
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12 for (i = 0; i < avf->nb_streams; i++) {
662
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8 if (avf->streams[i]->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) {
663 1 w = FFMAX(w, avf->streams[i]->codecpar->width);
664 1 h = FFMAX(h, avf->streams[i]->codecpar->height);
665 }
666 }
667
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4 if (!(w && h)) {
668 3 w = FFMAX(w, 720);
669 3 h = FFMAX(h, 576);
670 }
671 4 av_log(avf, AV_LOG_INFO, "sub2video: using %dx%d canvas\n", w, h);
672 }
673 4 ist->sub2video.w = ifilter->width = w;
674 4 ist->sub2video.h = ifilter->height = h;
675
676
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4 ifilter->width = ist->dec_ctx->width ? ist->dec_ctx->width : ist->sub2video.w;
677
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4 ifilter->height = ist->dec_ctx->height ? ist->dec_ctx->height : ist->sub2video.h;
678
679 /* rectangles are AV_PIX_FMT_PAL8, but we have no guarantee that the
680 palettes for all rectangles are identical or compatible */
681 4 ifilter->format = AV_PIX_FMT_RGB32;
682
683 4 ist->sub2video.frame = av_frame_alloc();
684
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4 if (!ist->sub2video.frame)
685 return AVERROR(ENOMEM);
686 4 ist->sub2video.last_pts = INT64_MIN;
687 4 ist->sub2video.end_pts = INT64_MIN;
688
689 /* sub2video structure has been (re-)initialized.
690 Mark it as such so that the system will be
691 initialized with the first received heartbeat. */
692 4 ist->sub2video.initialize = 1;
693
694 4 return 0;
695 }
696
697 4701 static int configure_input_video_filter(FilterGraph *fg, InputFilter *ifilter,
698 AVFilterInOut *in)
699 {
700 AVFilterContext *last_filter;
701 4701 const AVFilter *buffer_filt = avfilter_get_by_name("buffer");
702 const AVPixFmtDescriptor *desc;
703 4701 InputStream *ist = ifilter->ist;
704 4701 InputFile *f = input_files[ist->file_index];
705
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4701 AVRational tb = ist->framerate.num ? av_inv_q(ist->framerate) :
706 4677 ist->st->time_base;
707 4701 AVRational fr = ist->framerate;
708 AVRational sar;
709 AVBPrint args;
710 char name[255];
711 4701 int ret, pad_idx = 0;
712 4701 int64_t tsoffset = 0;
713 4701 AVBufferSrcParameters *par = av_buffersrc_parameters_alloc();
714
715
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4701 if (!par)
716 return AVERROR(ENOMEM);
717 4701 memset(par, 0, sizeof(*par));
718 4701 par->format = AV_PIX_FMT_NONE;
719
720
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4701 if (ist->dec_ctx->codec_type == AVMEDIA_TYPE_AUDIO) {
721 av_log(NULL, AV_LOG_ERROR, "Cannot connect video filter to audio input\n");
722 ret = AVERROR(EINVAL);
723 goto fail;
724 }
725
726
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4701 if (!fr.num)
727 4677 fr = av_guess_frame_rate(input_files[ist->file_index]->ctx, ist->st, NULL);
728
729
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4701 if (ist->dec_ctx->codec_type == AVMEDIA_TYPE_SUBTITLE) {
730 4 ret = sub2video_prepare(ist, ifilter);
731
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4 if (ret < 0)
732 goto fail;
733 }
734
735 4701 sar = ifilter->sample_aspect_ratio;
736
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4701 if(!sar.den)
737 4 sar = (AVRational){0,1};
738 4701 av_bprint_init(&args, 0, AV_BPRINT_SIZE_AUTOMATIC);
739 4701 av_bprintf(&args,
740 "video_size=%dx%d:pix_fmt=%d:time_base=%d/%d:"
741 "pixel_aspect=%d/%d",
742 ifilter->width, ifilter->height, ifilter->format,
743 tb.num, tb.den, sar.num, sar.den);
744
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4701 if (fr.num && fr.den)
745 4697 av_bprintf(&args, ":frame_rate=%d/%d", fr.num, fr.den);
746 4701 snprintf(name, sizeof(name), "graph %d input from stream %d:%d", fg->index,
747 4701 ist->file_index, ist->st->index);
748
749
750
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4701 if ((ret = avfilter_graph_create_filter(&ifilter->filter, buffer_filt, name,
751 4701 args.str, NULL, fg->graph)) < 0)
752 goto fail;
753 4701 par->hw_frames_ctx = ifilter->hw_frames_ctx;
754 4701 ret = av_buffersrc_parameters_set(ifilter->filter, par);
755
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4701 if (ret < 0)
756 goto fail;
757 4701 av_freep(&par);
758 4701 last_filter = ifilter->filter;
759
760 4701 desc = av_pix_fmt_desc_get(ifilter->format);
761
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4701 av_assert0(desc);
762
763 // TODO: insert hwaccel enabled filters like transpose_vaapi into the graph
764
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4701 if (ist->autorotate && !(desc->flags & AV_PIX_FMT_FLAG_HWACCEL)) {
765 4701 int32_t *displaymatrix = ifilter->displaymatrix;
766 double theta;
767
768
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4701 if (!displaymatrix)
769 4701 displaymatrix = (int32_t *)av_stream_get_side_data(ist->st, AV_PKT_DATA_DISPLAYMATRIX, NULL);
770 4701 theta = get_rotation(displaymatrix);
771
772
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4701 if (fabs(theta - 90) < 1.0) {
773 if (displaymatrix[3] > 0) {
774 ret = insert_filter(&last_filter, &pad_idx, "hflip", NULL);
775 if (ret < 0)
776 return ret;
777 }
778 ret = insert_filter(&last_filter, &pad_idx, "transpose", "clock");
779
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4701 } else if (fabs(theta - 180) < 1.0) {
780 if (displaymatrix[0] < 0) {
781 ret = insert_filter(&last_filter, &pad_idx, "hflip", NULL);
782 if (ret < 0)
783 return ret;
784 }
785 if (displaymatrix[4] < 0) {
786 ret = insert_filter(&last_filter, &pad_idx, "vflip", NULL);
787 }
788
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4701 } else if (fabs(theta - 270) < 1.0) {
789 if (displaymatrix[3] < 0) {
790 ret = insert_filter(&last_filter, &pad_idx, "hflip", NULL);
791 if (ret < 0)
792 return ret;
793 }
794 ret = insert_filter(&last_filter, &pad_idx, "transpose", "cclock");
795
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4701 } else if (fabs(theta) > 1.0) {
796 char rotate_buf[64];
797 snprintf(rotate_buf, sizeof(rotate_buf), "%f*PI/180", theta);
798 ret = insert_filter(&last_filter, &pad_idx, "rotate", rotate_buf);
799
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4701 } else if (fabs(theta) < 1.0) {
800
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4701 if (displaymatrix && displaymatrix[4] < 0) {
801 ret = insert_filter(&last_filter, &pad_idx, "vflip", NULL);
802 }
803 }
804
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4701 if (ret < 0)
805 return ret;
806 }
807
808
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4701 if (do_deinterlace) {
809 AVFilterContext *yadif;
810
811 snprintf(name, sizeof(name), "deinterlace_in_%d_%d",
812 ist->file_index, ist->st->index);
813 if ((ret = avfilter_graph_create_filter(&yadif,
814 avfilter_get_by_name("yadif"),
815 name, "", NULL,
816 fg->graph)) < 0)
817 return ret;
818
819 if ((ret = avfilter_link(last_filter, 0, yadif, 0)) < 0)
820 return ret;
821
822 last_filter = yadif;
823 }
824
825 4701 snprintf(name, sizeof(name), "trim_in_%d_%d",
826 4701 ist->file_index, ist->st->index);
827
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4701 if (copy_ts) {
828
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2 tsoffset = f->start_time == AV_NOPTS_VALUE ? 0 : f->start_time;
829
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2 if (!start_at_zero && f->ctx->start_time != AV_NOPTS_VALUE)
830 1 tsoffset += f->ctx->start_time;
831 }
832
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4701 ret = insert_trim(((f->start_time == AV_NOPTS_VALUE) || !f->accurate_seek) ?
833 AV_NOPTS_VALUE : tsoffset, f->recording_time,
834 &last_filter, &pad_idx, name);
835
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4701 if (ret < 0)
836 return ret;
837
838
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4701 if ((ret = avfilter_link(last_filter, 0, in->filter_ctx, in->pad_idx)) < 0)
839 return ret;
840 4701 return 0;
841 fail:
842 av_freep(&par);
843
844 return ret;
845 }
846
847 1135 static int configure_input_audio_filter(FilterGraph *fg, InputFilter *ifilter,
848 AVFilterInOut *in)
849 {
850 AVFilterContext *last_filter;
851 1135 const AVFilter *abuffer_filt = avfilter_get_by_name("abuffer");
852 1135 InputStream *ist = ifilter->ist;
853 1135 InputFile *f = input_files[ist->file_index];
854 AVBPrint args;
855 char name[255];
856 1135 int ret, pad_idx = 0;
857 1135 int64_t tsoffset = 0;
858
859
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1135 if (ist->dec_ctx->codec_type != AVMEDIA_TYPE_AUDIO) {
860 av_log(NULL, AV_LOG_ERROR, "Cannot connect audio filter to non audio input\n");
861 return AVERROR(EINVAL);
862 }
863
864 1135 av_bprint_init(&args, 0, AV_BPRINT_SIZE_AUTOMATIC);
865 1135 av_bprintf(&args, "time_base=%d/%d:sample_rate=%d:sample_fmt=%s",
866 1, ifilter->sample_rate,
867 ifilter->sample_rate,
868 1135 av_get_sample_fmt_name(ifilter->format));
869
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1135 if (ifilter->channel_layout)
870 1129 av_bprintf(&args, ":channel_layout=0x%"PRIx64,
871 ifilter->channel_layout);
872 else
873 6 av_bprintf(&args, ":channels=%d", ifilter->channels);
874 1135 snprintf(name, sizeof(name), "graph_%d_in_%d_%d", fg->index,
875 1135 ist->file_index, ist->st->index);
876
877
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1135 if ((ret = avfilter_graph_create_filter(&ifilter->filter, abuffer_filt,
878 1135 name, args.str, NULL,
879 fg->graph)) < 0)
880 return ret;
881 1135 last_filter = ifilter->filter;
882
883 #define AUTO_INSERT_FILTER_INPUT(opt_name, filter_name, arg) do { \
884 AVFilterContext *filt_ctx; \
885 \
886 av_log(NULL, AV_LOG_INFO, opt_name " is forwarded to lavfi " \
887 "similarly to -af " filter_name "=%s.\n", arg); \
888 \
889 snprintf(name, sizeof(name), "graph_%d_%s_in_%d_%d", \
890 fg->index, filter_name, ist->file_index, ist->st->index); \
891 ret = avfilter_graph_create_filter(&filt_ctx, \
892 avfilter_get_by_name(filter_name), \
893 name, arg, NULL, fg->graph); \
894 if (ret < 0) \
895 return ret; \
896 \
897 ret = avfilter_link(last_filter, 0, filt_ctx, 0); \
898 if (ret < 0) \
899 return ret; \
900 \
901 last_filter = filt_ctx; \
902 } while (0)
903
904
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1135 if (audio_sync_method > 0) {
905 char args[256] = {0};
906
907 av_strlcatf(args, sizeof(args), "async=%d", audio_sync_method);
908 if (audio_drift_threshold != 0.1)
909 av_strlcatf(args, sizeof(args), ":min_hard_comp=%f", audio_drift_threshold);
910 if (!fg->reconfiguration)
911 av_strlcatf(args, sizeof(args), ":first_pts=0");
912 AUTO_INSERT_FILTER_INPUT("-async", "aresample", args);
913 }
914
915 // if (ost->audio_channels_mapped) {
916 // int i;
917 // AVBPrint pan_buf;
918 // av_bprint_init(&pan_buf, 256, 8192);
919 // av_bprintf(&pan_buf, "0x%"PRIx64,
920 // av_get_default_channel_layout(ost->audio_channels_mapped));
921 // for (i = 0; i < ost->audio_channels_mapped; i++)
922 // if (ost->audio_channels_map[i] != -1)
923 // av_bprintf(&pan_buf, ":c%d=c%d", i, ost->audio_channels_map[i]);
924 // AUTO_INSERT_FILTER_INPUT("-map_channel", "pan", pan_buf.str);
925 // av_bprint_finalize(&pan_buf, NULL);
926 // }
927
928
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1135 if (audio_volume != 256) {
929 char args[256];
930
931 av_log(NULL, AV_LOG_WARNING, "-vol has been deprecated. Use the volume "
932 "audio filter instead.\n");
933
934 snprintf(args, sizeof(args), "%f", audio_volume / 256.);
935 AUTO_INSERT_FILTER_INPUT("-vol", "volume", args);
936 }
937
938 1135 snprintf(name, sizeof(name), "trim for input stream %d:%d",
939 1135 ist->file_index, ist->st->index);
940
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1135 if (copy_ts) {
941 tsoffset = f->start_time == AV_NOPTS_VALUE ? 0 : f->start_time;
942 if (!start_at_zero && f->ctx->start_time != AV_NOPTS_VALUE)
943 tsoffset += f->ctx->start_time;
944 }
945
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1135 ret = insert_trim(((f->start_time == AV_NOPTS_VALUE) || !f->accurate_seek) ?
946 AV_NOPTS_VALUE : tsoffset, f->recording_time,
947 &last_filter, &pad_idx, name);
948
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1135 if (ret < 0)
949 return ret;
950
951
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1135 if ((ret = avfilter_link(last_filter, 0, in->filter_ctx, in->pad_idx)) < 0)
952 return ret;
953
954 1135 return 0;
955 }
956
957 5836 static int configure_input_filter(FilterGraph *fg, InputFilter *ifilter,
958 AVFilterInOut *in)
959 {
960
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5836 if (!ifilter->ist->dec) {
961 av_log(NULL, AV_LOG_ERROR,
962 "No decoder for stream #%d:%d, filtering impossible\n",
963 ifilter->ist->file_index, ifilter->ist->st->index);
964 return AVERROR_DECODER_NOT_FOUND;
965 }
966
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5836 switch (avfilter_pad_get_type(in->filter_ctx->input_pads, in->pad_idx)) {
967 4701 case AVMEDIA_TYPE_VIDEO: return configure_input_video_filter(fg, ifilter, in);
968 1135 case AVMEDIA_TYPE_AUDIO: return configure_input_audio_filter(fg, ifilter, in);
969 default: av_assert0(0); return 0;
970 }
971 }
972
973 5862 static void cleanup_filtergraph(FilterGraph *fg)
974 {
975 int i;
976
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11727 for (i = 0; i < fg->nb_outputs; i++)
977 5865 fg->outputs[i]->filter = (AVFilterContext *)NULL;
978
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11698 for (i = 0; i < fg->nb_inputs; i++)
979 5836 fg->inputs[i]->filter = (AVFilterContext *)NULL;
980 5862 avfilter_graph_free(&fg->graph);
981 5862 }
982
983 5858 int configure_filtergraph(FilterGraph *fg)
984 {
985 AVFilterInOut *inputs, *outputs, *cur;
986 5858 int ret, i, simple = filtergraph_is_simple(fg);
987
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5858 const char *graph_desc = simple ? fg->outputs[0]->ost->avfilter :
988 fg->graph_desc;
989
990 5858 cleanup_filtergraph(fg);
991
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5858 if (!(fg->graph = avfilter_graph_alloc()))
992 return AVERROR(ENOMEM);
993
994
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5858 if (simple) {
995 5776 OutputStream *ost = fg->outputs[0]->ost;
996 char args[512];
997 5776 AVDictionaryEntry *e = NULL;
998
999
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5776 if (filter_nbthreads) {
1000 309 ret = av_opt_set(fg->graph, "threads", filter_nbthreads, 0);
1001
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309 if (ret < 0)
1002 goto fail;
1003 } else {
1004 5467 e = av_dict_get(ost->encoder_opts, "threads", NULL, 0);
1005
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5467 if (e)
1006 3164 av_opt_set(fg->graph, "threads", e->value, 0);
1007 }
1008
1009 5776 args[0] = 0;
1010 5776 e = NULL;
1011
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9256 while ((e = av_dict_get(ost->sws_dict, "", e,
1012 AV_DICT_IGNORE_SUFFIX))) {
1013 3480 av_strlcatf(args, sizeof(args), "%s=%s:", e->key, e->value);
1014 }
1015
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5776 if (strlen(args)) {
1016 3480 args[strlen(args)-1] = 0;
1017 3480 fg->graph->scale_sws_opts = av_strdup(args);
1018 }
1019
1020 5776 args[0] = 0;
1021 5776 e = NULL;
1022
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5828 while ((e = av_dict_get(ost->swr_opts, "", e,
1023 AV_DICT_IGNORE_SUFFIX))) {
1024 52 av_strlcatf(args, sizeof(args), "%s=%s:", e->key, e->value);
1025 }
1026
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5776 if (strlen(args))
1027 52 args[strlen(args)-1] = 0;
1028 5776 av_opt_set(fg->graph, "aresample_swr_opts", args, 0);
1029 } else {
1030 82 fg->graph->nb_threads = filter_complex_nbthreads;
1031 }
1032
1033
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5858 if ((ret = avfilter_graph_parse2(fg->graph, graph_desc, &inputs, &outputs)) < 0)
1034 goto fail;
1035
1036 5858 ret = hw_device_setup_for_filter(fg);
1037
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5858 if (ret < 0)
1038 goto fail;
1039
1040
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5858 if (simple && (!inputs || inputs->next || !outputs || outputs->next)) {
1041 const char *num_inputs;
1042 const char *num_outputs;
1043 if (!outputs) {
1044 num_outputs = "0";
1045 } else if (outputs->next) {
1046 num_outputs = ">1";
1047 } else {
1048 num_outputs = "1";
1049 }
1050 if (!inputs) {
1051 num_inputs = "0";
1052 } else if (inputs->next) {
1053 num_inputs = ">1";
1054 } else {
1055 num_inputs = "1";
1056 }
1057 av_log(NULL, AV_LOG_ERROR, "Simple filtergraph '%s' was expected "
1058 "to have exactly 1 input and 1 output."
1059 " However, it had %s input(s) and %s output(s)."
1060 " Please adjust, or use a complex filtergraph (-filter_complex) instead.\n",
1061 graph_desc, num_inputs, num_outputs);
1062 ret = AVERROR(EINVAL);
1063 goto fail;
1064 }
1065
1066
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11694 for (cur = inputs, i = 0; cur; cur = cur->next, i++)
1067
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5836 if ((ret = configure_input_filter(fg, fg->inputs[i], cur)) < 0) {
1068 avfilter_inout_free(&inputs);
1069 avfilter_inout_free(&outputs);
1070 goto fail;
1071 }
1072 5858 avfilter_inout_free(&inputs);
1073
1074
2/2
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11719 for (cur = outputs, i = 0; cur; cur = cur->next, i++)
1075 5861 configure_output_filter(fg, fg->outputs[i], cur);
1076 5858 avfilter_inout_free(&outputs);
1077
1078
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5858 if (!auto_conversion_filters)
1079 4213 avfilter_graph_set_auto_convert(fg->graph, AVFILTER_AUTO_CONVERT_NONE);
1080
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5858 if ((ret = avfilter_graph_config(fg->graph, NULL)) < 0)
1081 4 goto fail;
1082
1083 /* limit the lists of allowed formats to the ones selected, to
1084 * make sure they stay the same if the filtergraph is reconfigured later */
1085
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11711 for (i = 0; i < fg->nb_outputs; i++) {
1086 5857 OutputFilter *ofilter = fg->outputs[i];
1087 5857 AVFilterContext *sink = ofilter->filter;
1088
1089 5857 ofilter->format = av_buffersink_get_format(sink);
1090
1091 5857 ofilter->width = av_buffersink_get_w(sink);
1092 5857 ofilter->height = av_buffersink_get_h(sink);
1093
1094 5857 ofilter->sample_rate = av_buffersink_get_sample_rate(sink);
1095 5857 ofilter->channel_layout = av_buffersink_get_channel_layout(sink);
1096 }
1097
1098 5854 fg->reconfiguration = 1;
1099
1100
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11711 for (i = 0; i < fg->nb_outputs; i++) {
1101 5857 OutputStream *ost = fg->outputs[i]->ost;
1102
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5857 if (!ost->enc) {
1103 /* identical to the same check in ffmpeg.c, needed because
1104 complex filter graphs are initialized earlier */
1105 av_log(NULL, AV_LOG_ERROR, "Encoder (codec %s) not found for output stream #%d:%d\n",
1106 avcodec_get_name(ost->st->codecpar->codec_id), ost->file_index, ost->index);
1107 ret = AVERROR(EINVAL);
1108 goto fail;
1109 }
1110
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5857 if (ost->enc->type == AVMEDIA_TYPE_AUDIO &&
1111
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1132 !(ost->enc->capabilities & AV_CODEC_CAP_VARIABLE_FRAME_SIZE))
1112 102 av_buffersink_set_frame_size(ost->filter->filter,
1113 102 ost->enc_ctx->frame_size);
1114 }
1115
1116
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11690 for (i = 0; i < fg->nb_inputs; i++) {
1117
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5855 while (av_fifo_size(fg->inputs[i]->frame_queue)) {
1118 AVFrame *tmp;
1119 19 av_fifo_generic_read(fg->inputs[i]->frame_queue, &tmp, sizeof(tmp), NULL);
1120 19 ret = av_buffersrc_add_frame(fg->inputs[i]->filter, tmp);
1121 19 av_frame_free(&tmp);
1122
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19 if (ret < 0)
1123 goto fail;
1124 }
1125 }
1126
1127 /* send the EOFs for the finished inputs */
1128
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11690 for (i = 0; i < fg->nb_inputs; i++) {
1129
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5836 if (fg->inputs[i]->eof) {
1130 1 ret = av_buffersrc_add_frame(fg->inputs[i]->filter, NULL);
1131
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1 if (ret < 0)
1132 goto fail;
1133 }
1134 }
1135
1136 /* process queued up subtitle packets */
1137
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11690 for (i = 0; i < fg->nb_inputs; i++) {
1138 5836 InputStream *ist = fg->inputs[i]->ist;
1139
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5836 if (ist->sub2video.sub_queue && ist->sub2video.frame) {
1140 while (av_fifo_size(ist->sub2video.sub_queue)) {
1141 AVSubtitle tmp;
1142 av_fifo_generic_read(ist->sub2video.sub_queue, &tmp, sizeof(tmp), NULL);
1143 sub2video_update(ist, INT64_MIN, &tmp);
1144 avsubtitle_free(&tmp);
1145 }
1146 }
1147 }
1148
1149 5854 return 0;
1150
1151 4 fail:
1152 4 cleanup_filtergraph(fg);
1153 4 return ret;
1154 }
1155
1156 5831 int ifilter_parameters_from_frame(InputFilter *ifilter, const AVFrame *frame)
1157 {
1158 AVFrameSideData *sd;
1159
1160 5831 av_buffer_unref(&ifilter->hw_frames_ctx);
1161
1162 5831 ifilter->format = frame->format;
1163
1164 5831 ifilter->width = frame->width;
1165 5831 ifilter->height = frame->height;
1166 5831 ifilter->sample_aspect_ratio = frame->sample_aspect_ratio;
1167
1168 5831 ifilter->sample_rate = frame->sample_rate;
1169 5831 ifilter->channels = frame->channels;
1170 5831 ifilter->channel_layout = frame->channel_layout;
1171
1172 5831 av_freep(&ifilter->displaymatrix);
1173 5831 sd = av_frame_get_side_data(frame, AV_FRAME_DATA_DISPLAYMATRIX);
1174
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5831 if (sd)
1175 ifilter->displaymatrix = av_memdup(sd->data, sizeof(int32_t) * 9);
1176
1177
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5831 if (frame->hw_frames_ctx) {
1178 ifilter->hw_frames_ctx = av_buffer_ref(frame->hw_frames_ctx);
1179 if (!ifilter->hw_frames_ctx)
1180 return AVERROR(ENOMEM);
1181 }
1182
1183 5831 return 0;
1184 }
1185
1186 17479 int filtergraph_is_simple(FilterGraph *fg)
1187 {
1188 17479 return !fg->graph_desc;
1189 }
1190