FFmpeg coverage

Directory: ../../../ffmpeg/
File: src/fftools/opt_common.c
Date: 2024-11-20 23:03:26
Exec Total Coverage
Lines: 77 761 10.1%
Functions: 6 53 11.3%
Branches: 83 639 13.0%
Line Branch Exec Source
1 /*
2 * Option handlers shared between the tools.
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 "config.h"
22
23 #include <stdio.h>
24
25 #include "cmdutils.h"
26 #include "opt_common.h"
27
28 #include "libavutil/avassert.h"
29 #include "libavutil/avstring.h"
30 #include "libavutil/bprint.h"
31 #include "libavutil/channel_layout.h"
32 #include "libavutil/cpu.h"
33 #include "libavutil/dict.h"
34 #include "libavutil/error.h"
35 #include "libavutil/ffversion.h"
36 #include "libavutil/log.h"
37 #include "libavutil/mem.h"
38 #include "libavutil/parseutils.h"
39 #include "libavutil/pixdesc.h"
40 #include "libavutil/version.h"
41
42 #include "libavcodec/avcodec.h"
43 #include "libavcodec/bsf.h"
44 #include "libavcodec/codec.h"
45 #include "libavcodec/codec_desc.h"
46 #include "libavcodec/version.h"
47
48 #include "libavformat/avformat.h"
49 #include "libavformat/version.h"
50
51 #include "libavdevice/avdevice.h"
52 #include "libavdevice/version.h"
53
54 #include "libavfilter/avfilter.h"
55 #include "libavfilter/version.h"
56
57 #include "libswscale/swscale.h"
58 #include "libswscale/version.h"
59
60 #include "libswresample/swresample.h"
61 #include "libswresample/version.h"
62
63 #include "libpostproc/postprocess.h"
64 #include "libpostproc/version.h"
65
66 enum show_muxdemuxers {
67 SHOW_DEFAULT,
68 SHOW_DEMUXERS,
69 SHOW_MUXERS,
70 };
71
72 static FILE *report_file;
73 static int report_file_level = AV_LOG_DEBUG;
74
75 ✗ int show_license(void *optctx, const char *opt, const char *arg)
76 {
77 #if CONFIG_NONFREE
78 printf(
79 "This version of %s has nonfree parts compiled in.\n"
80 "Therefore it is not legally redistributable.\n",
81 program_name );
82 #elif CONFIG_GPLV3
83 printf(
84 "%s is free software; you can redistribute it and/or modify\n"
85 "it under the terms of the GNU General Public License as published by\n"
86 "the Free Software Foundation; either version 3 of the License, or\n"
87 "(at your option) any later version.\n"
88 "\n"
89 "%s is distributed in the hope that it will be useful,\n"
90 "but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
91 "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n"
92 "GNU General Public License for more details.\n"
93 "\n"
94 "You should have received a copy of the GNU General Public License\n"
95 "along with %s. If not, see <http://www.gnu.org/licenses/>.\n",
96 program_name, program_name, program_name );
97 #elif CONFIG_GPL
98 ✗ printf(
99 "%s is free software; you can redistribute it and/or modify\n"
100 "it under the terms of the GNU General Public License as published by\n"
101 "the Free Software Foundation; either version 2 of the License, or\n"
102 "(at your option) any later version.\n"
103 "\n"
104 "%s is distributed in the hope that it will be useful,\n"
105 "but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
106 "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n"
107 "GNU General Public License for more details.\n"
108 "\n"
109 "You should have received a copy of the GNU General Public License\n"
110 "along with %s; if not, write to the Free Software\n"
111 "Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA\n",
112 program_name, program_name, program_name );
113 #elif CONFIG_LGPLV3
114 printf(
115 "%s is free software; you can redistribute it and/or modify\n"
116 "it under the terms of the GNU Lesser General Public License as published by\n"
117 "the Free Software Foundation; either version 3 of the License, or\n"
118 "(at your option) any later version.\n"
119 "\n"
120 "%s is distributed in the hope that it will be useful,\n"
121 "but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
122 "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n"
123 "GNU Lesser General Public License for more details.\n"
124 "\n"
125 "You should have received a copy of the GNU Lesser General Public License\n"
126 "along with %s. If not, see <http://www.gnu.org/licenses/>.\n",
127 program_name, program_name, program_name );
128 #else
129 printf(
130 "%s is free software; you can redistribute it and/or\n"
131 "modify it under the terms of the GNU Lesser General Public\n"
132 "License as published by the Free Software Foundation; either\n"
133 "version 2.1 of the License, or (at your option) any later version.\n"
134 "\n"
135 "%s is distributed in the hope that it will be useful,\n"
136 "but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
137 "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU\n"
138 "Lesser General Public License for more details.\n"
139 "\n"
140 "You should have received a copy of the GNU Lesser General Public\n"
141 "License along with %s; if not, write to the Free Software\n"
142 "Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA\n",
143 program_name, program_name, program_name );
144 #endif
145
146 ✗ return 0;
147 }
148
149 static int warned_cfg = 0;
150
151 #define INDENT 1
152 #define SHOW_VERSION 2
153 #define SHOW_CONFIG 4
154 #define SHOW_COPYRIGHT 8
155
156 #define PRINT_LIB_INFO(libname, LIBNAME, flags, level) \
157 if (CONFIG_##LIBNAME) { \
158 const char *indent = flags & INDENT? " " : ""; \
159 if (flags & SHOW_VERSION) { \
160 unsigned int version = libname##_version(); \
161 av_log(NULL, level, \
162 "%slib%-11s %2d.%3d.%3d / %2d.%3d.%3d\n", \
163 indent, #libname, \
164 LIB##LIBNAME##_VERSION_MAJOR, \
165 LIB##LIBNAME##_VERSION_MINOR, \
166 LIB##LIBNAME##_VERSION_MICRO, \
167 AV_VERSION_MAJOR(version), AV_VERSION_MINOR(version),\
168 AV_VERSION_MICRO(version)); \
169 } \
170 if (flags & SHOW_CONFIG) { \
171 const char *cfg = libname##_configuration(); \
172 if (strcmp(FFMPEG_CONFIGURATION, cfg)) { \
173 if (!warned_cfg) { \
174 av_log(NULL, level, \
175 "%sWARNING: library configuration mismatch\n", \
176 indent); \
177 warned_cfg = 1; \
178 } \
179 av_log(NULL, level, "%s%-11s configuration: %s\n", \
180 indent, #libname, cfg); \
181 } \
182 } \
183 } \
184
185 16136 static void print_all_libs_info(int flags, int level)
186 {
187
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 16136 PRINT_LIB_INFO(avutil, AVUTIL, flags, level);
188
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 16136 PRINT_LIB_INFO(avcodec, AVCODEC, flags, level);
189
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 16136 PRINT_LIB_INFO(avformat, AVFORMAT, flags, level);
190
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 16136 PRINT_LIB_INFO(avdevice, AVDEVICE, flags, level);
191
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 16136 PRINT_LIB_INFO(avfilter, AVFILTER, flags, level);
192
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 16136 PRINT_LIB_INFO(swscale, SWSCALE, flags, level);
193
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 16136 PRINT_LIB_INFO(swresample, SWRESAMPLE, flags, level);
194
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 16136 PRINT_LIB_INFO(postproc, POSTPROC, flags, level);
195 16136 }
196
197 8068 static void print_program_info(int flags, int level)
198 {
199
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 8068 const char *indent = flags & INDENT? " " : "";
200
201 8068 av_log(NULL, level, "%s version " FFMPEG_VERSION, program_name);
202
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 8068 if (flags & SHOW_COPYRIGHT)
203 8068 av_log(NULL, level, " Copyright (c) %d-%d the FFmpeg developers",
204 program_birth_year, CONFIG_THIS_YEAR);
205 8068 av_log(NULL, level, "\n");
206 8068 av_log(NULL, level, "%sbuilt with %s\n", indent, CC_IDENT);
207
208 8068 av_log(NULL, level, "%sconfiguration: " FFMPEG_CONFIGURATION "\n", indent);
209 8068 }
210
211 ✗ static void print_buildconf(int flags, int level)
212 {
213 ✗ const char *indent = flags & INDENT ? " " : "";
214 ✗ char str[] = { FFMPEG_CONFIGURATION };
215 char *conflist, *remove_tilde, *splitconf;
216
217 // Change all the ' --' strings to '~--' so that
218 // they can be identified as tokens.
219 ✗ while ((conflist = strstr(str, " --")) != NULL) {
220 ✗ conflist[0] = '~';
221 }
222
223 // Compensate for the weirdness this would cause
224 // when passing 'pkg-config --static'.
225 ✗ while ((remove_tilde = strstr(str, "pkg-config~")) != NULL) {
226 ✗ remove_tilde[sizeof("pkg-config~") - 2] = ' ';
227 }
228
229 ✗ splitconf = strtok(str, "~");
230 ✗ av_log(NULL, level, "\n%sconfiguration:\n", indent);
231 ✗ while (splitconf != NULL) {
232 ✗ av_log(NULL, level, "%s%s%s\n", indent, indent, splitconf);
233 ✗ splitconf = strtok(NULL, "~");
234 }
235 ✗ }
236
237 8068 void show_banner(int argc, char **argv, const OptionDef *options)
238 {
239 8068 int idx = locate_option(argc, argv, options, "version");
240
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 8068 if (hide_banner || idx)
241 ✗ return;
242
243 8068 print_program_info (INDENT|SHOW_COPYRIGHT, AV_LOG_INFO);
244 8068 print_all_libs_info(INDENT|SHOW_CONFIG, AV_LOG_INFO);
245 8068 print_all_libs_info(INDENT|SHOW_VERSION, AV_LOG_INFO);
246 }
247
248 ✗ int show_version(void *optctx, const char *opt, const char *arg)
249 {
250 ✗ av_log_set_callback(log_callback_help);
251 ✗ print_program_info (SHOW_COPYRIGHT, AV_LOG_INFO);
252 ✗ print_all_libs_info(SHOW_VERSION, AV_LOG_INFO);
253
254 ✗ return 0;
255 }
256
257 ✗ int show_buildconf(void *optctx, const char *opt, const char *arg)
258 {
259 ✗ av_log_set_callback(log_callback_help);
260 ✗ print_buildconf (INDENT|0, AV_LOG_INFO);
261
262 ✗ return 0;
263 }
264
265 #define PRINT_CODEC_SUPPORTED(codec, config, type, name, elem, fmt, ...) \
266 do { \
267 int num = 0; \
268 const type *elem = NULL; \
269 avcodec_get_supported_config(NULL, codec, config, 0, \
270 (const void **) &elem, &num); \
271 if (elem) { \
272 printf(" Supported " name ":"); \
273 for (int i = 0; i < num; i++) { \
274 printf(" " fmt, __VA_ARGS__); \
275 elem++; \
276 } \
277 printf("\n"); \
278 } \
279 } while (0)
280
281 ✗ static const char *get_channel_layout_desc(const AVChannelLayout *layout, AVBPrint *bp)
282 {
283 int ret;
284 ✗ av_bprint_clear(bp);
285 ✗ ret = av_channel_layout_describe_bprint(layout, bp);
286 ✗ if (!av_bprint_is_complete(bp) || ret < 0)
287 ✗ return "unknown/invalid";
288 ✗ return bp->str;
289 }
290
291 ✗ static void print_codec(const AVCodec *c)
292 {
293 ✗ int encoder = av_codec_is_encoder(c);
294 AVBPrint desc;
295
296 ✗ printf("%s %s [%s]:\n", encoder ? "Encoder" : "Decoder", c->name,
297 ✗ c->long_name ? c->long_name : "");
298
299 ✗ printf(" General capabilities: ");
300 ✗ if (c->capabilities & AV_CODEC_CAP_DRAW_HORIZ_BAND)
301 ✗ printf("horizband ");
302 ✗ if (c->capabilities & AV_CODEC_CAP_DR1)
303 ✗ printf("dr1 ");
304 ✗ if (c->capabilities & AV_CODEC_CAP_DELAY)
305 ✗ printf("delay ");
306 ✗ if (c->capabilities & AV_CODEC_CAP_SMALL_LAST_FRAME)
307 ✗ printf("small ");
308 ✗ if (c->capabilities & AV_CODEC_CAP_EXPERIMENTAL)
309 ✗ printf("exp ");
310 ✗ if (c->capabilities & AV_CODEC_CAP_CHANNEL_CONF)
311 ✗ printf("chconf ");
312 ✗ if (c->capabilities & AV_CODEC_CAP_PARAM_CHANGE)
313 ✗ printf("paramchange ");
314 ✗ if (c->capabilities & AV_CODEC_CAP_VARIABLE_FRAME_SIZE)
315 ✗ printf("variable ");
316 ✗ if (c->capabilities & (AV_CODEC_CAP_FRAME_THREADS |
317 AV_CODEC_CAP_SLICE_THREADS |
318 AV_CODEC_CAP_OTHER_THREADS))
319 ✗ printf("threads ");
320 ✗ if (c->capabilities & AV_CODEC_CAP_AVOID_PROBING)
321 ✗ printf("avoidprobe ");
322 ✗ if (c->capabilities & AV_CODEC_CAP_HARDWARE)
323 ✗ printf("hardware ");
324 ✗ if (c->capabilities & AV_CODEC_CAP_HYBRID)
325 ✗ printf("hybrid ");
326 ✗ if (!c->capabilities)
327 ✗ printf("none");
328 ✗ printf("\n");
329
330 ✗ if (c->type == AVMEDIA_TYPE_VIDEO ||
331 ✗ c->type == AVMEDIA_TYPE_AUDIO) {
332 ✗ printf(" Threading capabilities: ");
333 ✗ switch (c->capabilities & (AV_CODEC_CAP_FRAME_THREADS |
334 AV_CODEC_CAP_SLICE_THREADS |
335 AV_CODEC_CAP_OTHER_THREADS)) {
336 ✗ case AV_CODEC_CAP_FRAME_THREADS |
337 ✗ AV_CODEC_CAP_SLICE_THREADS: printf("frame and slice"); break;
338 ✗ case AV_CODEC_CAP_FRAME_THREADS: printf("frame"); break;
339 ✗ case AV_CODEC_CAP_SLICE_THREADS: printf("slice"); break;
340 ✗ case AV_CODEC_CAP_OTHER_THREADS: printf("other"); break;
341 ✗ default: printf("none"); break;
342 }
343 ✗ printf("\n");
344 }
345
346 ✗ if (avcodec_get_hw_config(c, 0)) {
347 ✗ printf(" Supported hardware devices: ");
348 ✗ for (int i = 0;; i++) {
349 ✗ const AVCodecHWConfig *config = avcodec_get_hw_config(c, i);
350 const char *name;
351 ✗ if (!config)
352 ✗ break;
353 ✗ name = av_hwdevice_get_type_name(config->device_type);
354 ✗ if (name)
355 ✗ printf("%s ", name);
356 }
357 ✗ printf("\n");
358 }
359
360 ✗ PRINT_CODEC_SUPPORTED(c, AV_CODEC_CONFIG_FRAME_RATE, AVRational, "framerates",
361 fps, "%d/%d", fps->num, fps->den);
362 ✗ PRINT_CODEC_SUPPORTED(c, AV_CODEC_CONFIG_PIX_FORMAT, enum AVPixelFormat,
363 "pixel formats", fmt, "%s", av_get_pix_fmt_name(*fmt));
364 ✗ PRINT_CODEC_SUPPORTED(c, AV_CODEC_CONFIG_SAMPLE_RATE, int, "sample rates",
365 rate, "%d", *rate);
366 ✗ PRINT_CODEC_SUPPORTED(c, AV_CODEC_CONFIG_SAMPLE_FORMAT, enum AVSampleFormat,
367 "sample formats", fmt, "%s", av_get_sample_fmt_name(*fmt));
368
369 ✗ av_bprint_init(&desc, 0, AV_BPRINT_SIZE_AUTOMATIC);
370 ✗ PRINT_CODEC_SUPPORTED(c, AV_CODEC_CONFIG_CHANNEL_LAYOUT, AVChannelLayout,
371 "channel layouts", layout, "%s",
372 get_channel_layout_desc(layout, &desc));
373 ✗ av_bprint_finalize(&desc, NULL);
374
375 ✗ if (c->priv_class) {
376 ✗ show_help_children(c->priv_class,
377 AV_OPT_FLAG_ENCODING_PARAM |
378 AV_OPT_FLAG_DECODING_PARAM);
379 }
380 ✗ }
381
382 ✗ static const AVCodec *next_codec_for_id(enum AVCodecID id, void **iter,
383 int encoder)
384 {
385 const AVCodec *c;
386 ✗ while ((c = av_codec_iterate(iter))) {
387 ✗ if (c->id == id &&
388 ✗ (encoder ? av_codec_is_encoder(c) : av_codec_is_decoder(c)))
389 ✗ return c;
390 }
391 ✗ return NULL;
392 }
393
394 ✗ static void show_help_codec(const char *name, int encoder)
395 {
396 const AVCodecDescriptor *desc;
397 const AVCodec *codec;
398
399 ✗ if (!name) {
400 ✗ av_log(NULL, AV_LOG_ERROR, "No codec name specified.\n");
401 ✗ return;
402 }
403
404 ✗ codec = encoder ? avcodec_find_encoder_by_name(name) :
405 ✗ avcodec_find_decoder_by_name(name);
406
407 ✗ if (codec)
408 ✗ print_codec(codec);
409 ✗ else if ((desc = avcodec_descriptor_get_by_name(name))) {
410 ✗ void *iter = NULL;
411 ✗ int printed = 0;
412
413 ✗ while ((codec = next_codec_for_id(desc->id, &iter, encoder))) {
414 ✗ printed = 1;
415 ✗ print_codec(codec);
416 }
417
418 ✗ if (!printed) {
419 ✗ av_log(NULL, AV_LOG_ERROR, "Codec '%s' is known to FFmpeg, "
420 "but no %s for it are available. FFmpeg might need to be "
421 "recompiled with additional external libraries.\n",
422 name, encoder ? "encoders" : "decoders");
423 }
424 } else {
425 ✗ av_log(NULL, AV_LOG_ERROR, "Codec '%s' is not recognized by FFmpeg.\n",
426 name);
427 }
428 }
429
430 ✗ static void show_help_demuxer(const char *name)
431 {
432 ✗ const AVInputFormat *fmt = av_find_input_format(name);
433
434 ✗ if (!fmt) {
435 ✗ av_log(NULL, AV_LOG_ERROR, "Unknown format '%s'.\n", name);
436 ✗ return;
437 }
438
439 ✗ printf("Demuxer %s [%s]:\n", fmt->name, fmt->long_name);
440
441 ✗ if (fmt->extensions)
442 ✗ printf(" Common extensions: %s.\n", fmt->extensions);
443
444 ✗ if (fmt->priv_class)
445 ✗ show_help_children(fmt->priv_class, AV_OPT_FLAG_DECODING_PARAM);
446 }
447
448 ✗ static void show_help_protocol(const char *name)
449 {
450 const AVClass *proto_class;
451
452 ✗ if (!name) {
453 ✗ av_log(NULL, AV_LOG_ERROR, "No protocol name specified.\n");
454 ✗ return;
455 }
456
457 ✗ proto_class = avio_protocol_get_class(name);
458 ✗ if (!proto_class) {
459 ✗ av_log(NULL, AV_LOG_ERROR, "Unknown protocol '%s'.\n", name);
460 ✗ return;
461 }
462
463 ✗ show_help_children(proto_class, AV_OPT_FLAG_DECODING_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
464 }
465
466 ✗ static void show_help_muxer(const char *name)
467 {
468 const AVCodecDescriptor *desc;
469 ✗ const AVOutputFormat *fmt = av_guess_format(name, NULL, NULL);
470
471 ✗ if (!fmt) {
472 ✗ av_log(NULL, AV_LOG_ERROR, "Unknown format '%s'.\n", name);
473 ✗ return;
474 }
475
476 ✗ printf("Muxer %s [%s]:\n", fmt->name, fmt->long_name);
477
478 ✗ if (fmt->extensions)
479 ✗ printf(" Common extensions: %s.\n", fmt->extensions);
480 ✗ if (fmt->mime_type)
481 ✗ printf(" Mime type: %s.\n", fmt->mime_type);
482 ✗ if (fmt->video_codec != AV_CODEC_ID_NONE &&
483 ✗ (desc = avcodec_descriptor_get(fmt->video_codec))) {
484 ✗ printf(" Default video codec: %s.\n", desc->name);
485 }
486 ✗ if (fmt->audio_codec != AV_CODEC_ID_NONE &&
487 ✗ (desc = avcodec_descriptor_get(fmt->audio_codec))) {
488 ✗ printf(" Default audio codec: %s.\n", desc->name);
489 }
490 ✗ if (fmt->subtitle_codec != AV_CODEC_ID_NONE &&
491 ✗ (desc = avcodec_descriptor_get(fmt->subtitle_codec))) {
492 ✗ printf(" Default subtitle codec: %s.\n", desc->name);
493 }
494
495 ✗ if (fmt->priv_class)
496 ✗ show_help_children(fmt->priv_class, AV_OPT_FLAG_ENCODING_PARAM);
497 }
498
499 #if CONFIG_AVFILTER
500 ✗ static void show_help_filter(const char *name)
501 {
502 #if CONFIG_AVFILTER
503 ✗ const AVFilter *f = avfilter_get_by_name(name);
504 int i, count;
505
506 ✗ if (!name) {
507 ✗ av_log(NULL, AV_LOG_ERROR, "No filter name specified.\n");
508 ✗ return;
509 ✗ } else if (!f) {
510 ✗ av_log(NULL, AV_LOG_ERROR, "Unknown filter '%s'.\n", name);
511 ✗ return;
512 }
513
514 ✗ printf("Filter %s\n", f->name);
515 ✗ if (f->description)
516 ✗ printf(" %s\n", f->description);
517
518 ✗ if (f->flags & AVFILTER_FLAG_SLICE_THREADS)
519 ✗ printf(" slice threading supported\n");
520
521 ✗ printf(" Inputs:\n");
522 ✗ count = avfilter_filter_pad_count(f, 0);
523 ✗ for (i = 0; i < count; i++) {
524 ✗ printf(" #%d: %s (%s)\n", i, avfilter_pad_get_name(f->inputs, i),
525 ✗ av_get_media_type_string(avfilter_pad_get_type(f->inputs, i)));
526 }
527 ✗ if (f->flags & AVFILTER_FLAG_DYNAMIC_INPUTS)
528 ✗ printf(" dynamic (depending on the options)\n");
529 ✗ else if (!count)
530 ✗ printf(" none (source filter)\n");
531
532 ✗ printf(" Outputs:\n");
533 ✗ count = avfilter_filter_pad_count(f, 1);
534 ✗ for (i = 0; i < count; i++) {
535 ✗ printf(" #%d: %s (%s)\n", i, avfilter_pad_get_name(f->outputs, i),
536 ✗ av_get_media_type_string(avfilter_pad_get_type(f->outputs, i)));
537 }
538 ✗ if (f->flags & AVFILTER_FLAG_DYNAMIC_OUTPUTS)
539 ✗ printf(" dynamic (depending on the options)\n");
540 ✗ else if (!count)
541 ✗ printf(" none (sink filter)\n");
542
543 ✗ if (f->priv_class)
544 ✗ show_help_children(f->priv_class, AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_FILTERING_PARAM |
545 AV_OPT_FLAG_AUDIO_PARAM);
546 ✗ if (f->flags & AVFILTER_FLAG_SUPPORT_TIMELINE)
547 ✗ printf("This filter has support for timeline through the 'enable' option.\n");
548 #else
549 av_log(NULL, AV_LOG_ERROR, "Build without libavfilter; "
550 "can not to satisfy request\n");
551 #endif
552 }
553 #endif
554
555 ✗ static void show_help_bsf(const char *name)
556 {
557 ✗ const AVBitStreamFilter *bsf = av_bsf_get_by_name(name);
558
559 ✗ if (!name) {
560 ✗ av_log(NULL, AV_LOG_ERROR, "No bitstream filter name specified.\n");
561 ✗ return;
562 ✗ } else if (!bsf) {
563 ✗ av_log(NULL, AV_LOG_ERROR, "Unknown bit stream filter '%s'.\n", name);
564 ✗ return;
565 }
566
567 ✗ printf("Bit stream filter %s\n", bsf->name);
568 ✗ if (bsf->codec_ids) {
569 ✗ const enum AVCodecID *id = bsf->codec_ids;
570 ✗ printf(" Supported codecs:");
571 ✗ while (*id != AV_CODEC_ID_NONE) {
572 ✗ printf(" %s", avcodec_descriptor_get(*id)->name);
573 ✗ id++;
574 }
575 ✗ printf("\n");
576 }
577 ✗ if (bsf->priv_class)
578 ✗ show_help_children(bsf->priv_class, AV_OPT_FLAG_BSF_PARAM);
579 }
580
581 ✗ int show_help(void *optctx, const char *opt, const char *arg)
582 {
583 char *topic, *par;
584 ✗ av_log_set_callback(log_callback_help);
585
586 ✗ topic = av_strdup(arg ? arg : "");
587 ✗ if (!topic)
588 ✗ return AVERROR(ENOMEM);
589 ✗ par = strchr(topic, '=');
590 ✗ if (par)
591 ✗ *par++ = 0;
592
593 ✗ if (!*topic) {
594 ✗ show_help_default(topic, par);
595 ✗ } else if (!strcmp(topic, "decoder")) {
596 ✗ show_help_codec(par, 0);
597 ✗ } else if (!strcmp(topic, "encoder")) {
598 ✗ show_help_codec(par, 1);
599 ✗ } else if (!strcmp(topic, "demuxer")) {
600 ✗ show_help_demuxer(par);
601 ✗ } else if (!strcmp(topic, "muxer")) {
602 ✗ show_help_muxer(par);
603 ✗ } else if (!strcmp(topic, "protocol")) {
604 ✗ show_help_protocol(par);
605 #if CONFIG_AVFILTER
606 ✗ } else if (!strcmp(topic, "filter")) {
607 ✗ show_help_filter(par);
608 #endif
609 ✗ } else if (!strcmp(topic, "bsf")) {
610 ✗ show_help_bsf(par);
611 } else {
612 ✗ show_help_default(topic, par);
613 }
614
615 ✗ av_freep(&topic);
616 ✗ return 0;
617 }
618
619 ✗ static void print_codecs_for_id(enum AVCodecID id, int encoder)
620 {
621 ✗ void *iter = NULL;
622 const AVCodec *codec;
623
624 ✗ printf(" (%s:", encoder ? "encoders" : "decoders");
625
626 ✗ while ((codec = next_codec_for_id(id, &iter, encoder)))
627 ✗ printf(" %s", codec->name);
628
629 ✗ printf(")");
630 ✗ }
631
632 ✗ static int compare_codec_desc(const void *a, const void *b)
633 {
634 ✗ const AVCodecDescriptor * const *da = a;
635 ✗ const AVCodecDescriptor * const *db = b;
636
637 ✗ return (*da)->type != (*db)->type ? FFDIFFSIGN((*da)->type, (*db)->type) :
638 ✗ strcmp((*da)->name, (*db)->name);
639 }
640
641 ✗ static int get_codecs_sorted(const AVCodecDescriptor ***rcodecs)
642 {
643 ✗ const AVCodecDescriptor *desc = NULL;
644 const AVCodecDescriptor **codecs;
645 ✗ unsigned nb_codecs = 0, i = 0;
646
647 ✗ while ((desc = avcodec_descriptor_next(desc)))
648 ✗ nb_codecs++;
649 ✗ if (!(codecs = av_calloc(nb_codecs, sizeof(*codecs))))
650 ✗ return AVERROR(ENOMEM);
651 ✗ desc = NULL;
652 ✗ while ((desc = avcodec_descriptor_next(desc)))
653 ✗ codecs[i++] = desc;
654 ✗ av_assert0(i == nb_codecs);
655 ✗ qsort(codecs, nb_codecs, sizeof(*codecs), compare_codec_desc);
656 ✗ *rcodecs = codecs;
657 ✗ return nb_codecs;
658 }
659
660 ✗ static char get_media_type_char(enum AVMediaType type)
661 {
662 ✗ switch (type) {
663 ✗ case AVMEDIA_TYPE_VIDEO: return 'V';
664 ✗ case AVMEDIA_TYPE_AUDIO: return 'A';
665 ✗ case AVMEDIA_TYPE_DATA: return 'D';
666 ✗ case AVMEDIA_TYPE_SUBTITLE: return 'S';
667 ✗ case AVMEDIA_TYPE_ATTACHMENT:return 'T';
668 ✗ default: return '?';
669 }
670 }
671
672 ✗ int show_codecs(void *optctx, const char *opt, const char *arg)
673 {
674 const AVCodecDescriptor **codecs;
675 unsigned i;
676 ✗ int nb_codecs = get_codecs_sorted(&codecs);
677
678 ✗ if (nb_codecs < 0)
679 ✗ return nb_codecs;
680
681 ✗ printf("Codecs:\n"
682 " D..... = Decoding supported\n"
683 " .E.... = Encoding supported\n"
684 " ..V... = Video codec\n"
685 " ..A... = Audio codec\n"
686 " ..S... = Subtitle codec\n"
687 " ..D... = Data codec\n"
688 " ..T... = Attachment codec\n"
689 " ...I.. = Intra frame-only codec\n"
690 " ....L. = Lossy compression\n"
691 " .....S = Lossless compression\n"
692 " -------\n");
693 ✗ for (i = 0; i < nb_codecs; i++) {
694 ✗ const AVCodecDescriptor *desc = codecs[i];
695 const AVCodec *codec;
696 ✗ void *iter = NULL;
697
698 ✗ if (strstr(desc->name, "_deprecated"))
699 ✗ continue;
700
701 ✗ printf(" %c%c%c%c%c%c",
702 ✗ avcodec_find_decoder(desc->id) ? 'D' : '.',
703 ✗ avcodec_find_encoder(desc->id) ? 'E' : '.',
704 ✗ get_media_type_char(desc->type),
705 ✗ (desc->props & AV_CODEC_PROP_INTRA_ONLY) ? 'I' : '.',
706 ✗ (desc->props & AV_CODEC_PROP_LOSSY) ? 'L' : '.',
707 ✗ (desc->props & AV_CODEC_PROP_LOSSLESS) ? 'S' : '.');
708
709 ✗ printf(" %-20s %s", desc->name, desc->long_name ? desc->long_name : "");
710
711 /* print decoders/encoders when there's more than one or their
712 * names are different from codec name */
713 ✗ while ((codec = next_codec_for_id(desc->id, &iter, 0))) {
714 ✗ if (strcmp(codec->name, desc->name)) {
715 ✗ print_codecs_for_id(desc->id, 0);
716 ✗ break;
717 }
718 }
719 ✗ iter = NULL;
720 ✗ while ((codec = next_codec_for_id(desc->id, &iter, 1))) {
721 ✗ if (strcmp(codec->name, desc->name)) {
722 ✗ print_codecs_for_id(desc->id, 1);
723 ✗ break;
724 }
725 }
726
727 ✗ printf("\n");
728 }
729 ✗ av_free(codecs);
730 ✗ return 0;
731 }
732
733 ✗ static int print_codecs(int encoder)
734 {
735 const AVCodecDescriptor **codecs;
736 ✗ int i, nb_codecs = get_codecs_sorted(&codecs);
737
738 ✗ if (nb_codecs < 0)
739 ✗ return nb_codecs;
740
741 ✗ printf("%s:\n"
742 " V..... = Video\n"
743 " A..... = Audio\n"
744 " S..... = Subtitle\n"
745 " .F.... = Frame-level multithreading\n"
746 " ..S... = Slice-level multithreading\n"
747 " ...X.. = Codec is experimental\n"
748 " ....B. = Supports draw_horiz_band\n"
749 " .....D = Supports direct rendering method 1\n"
750 " ------\n",
751 encoder ? "Encoders" : "Decoders");
752 ✗ for (i = 0; i < nb_codecs; i++) {
753 ✗ const AVCodecDescriptor *desc = codecs[i];
754 const AVCodec *codec;
755 ✗ void *iter = NULL;
756
757 ✗ while ((codec = next_codec_for_id(desc->id, &iter, encoder))) {
758 ✗ printf(" %c%c%c%c%c%c",
759 ✗ get_media_type_char(desc->type),
760 ✗ (codec->capabilities & AV_CODEC_CAP_FRAME_THREADS) ? 'F' : '.',
761 ✗ (codec->capabilities & AV_CODEC_CAP_SLICE_THREADS) ? 'S' : '.',
762 ✗ (codec->capabilities & AV_CODEC_CAP_EXPERIMENTAL) ? 'X' : '.',
763 ✗ (codec->capabilities & AV_CODEC_CAP_DRAW_HORIZ_BAND) ? 'B' : '.',
764 ✗ (codec->capabilities & AV_CODEC_CAP_DR1) ? 'D' : '.');
765
766 ✗ printf(" %-20s %s", codec->name, codec->long_name ? codec->long_name : "");
767 ✗ if (strcmp(codec->name, desc->name))
768 ✗ printf(" (codec %s)", desc->name);
769
770 ✗ printf("\n");
771 }
772 }
773 ✗ av_free(codecs);
774 ✗ return 0;
775 }
776
777 ✗ int show_decoders(void *optctx, const char *opt, const char *arg)
778 {
779 ✗ return print_codecs(0);
780 }
781
782 ✗ int show_encoders(void *optctx, const char *opt, const char *arg)
783 {
784 ✗ return print_codecs(1);
785 }
786
787 ✗ int show_bsfs(void *optctx, const char *opt, const char *arg)
788 {
789 ✗ const AVBitStreamFilter *bsf = NULL;
790 ✗ void *opaque = NULL;
791
792 ✗ printf("Bitstream filters:\n");
793 ✗ while ((bsf = av_bsf_iterate(&opaque)))
794 ✗ printf("%s\n", bsf->name);
795 ✗ printf("\n");
796 ✗ return 0;
797 }
798
799 ✗ int show_filters(void *optctx, const char *opt, const char *arg)
800 {
801 #if CONFIG_AVFILTER
802 ✗ const AVFilter *filter = NULL;
803 char descr[64], *descr_cur;
804 ✗ void *opaque = NULL;
805 int i, j;
806 const AVFilterPad *pad;
807
808 ✗ printf("Filters:\n"
809 " T.. = Timeline support\n"
810 " .S. = Slice threading\n"
811 " A = Audio input/output\n"
812 " V = Video input/output\n"
813 " N = Dynamic number and/or type of input/output\n"
814 " | = Source or sink filter\n");
815 ✗ while ((filter = av_filter_iterate(&opaque))) {
816 ✗ descr_cur = descr;
817 ✗ for (i = 0; i < 2; i++) {
818 unsigned nb_pads;
819 ✗ if (i) {
820 ✗ *(descr_cur++) = '-';
821 ✗ *(descr_cur++) = '>';
822 }
823 ✗ pad = i ? filter->outputs : filter->inputs;
824 ✗ nb_pads = avfilter_filter_pad_count(filter, i);
825 ✗ for (j = 0; j < nb_pads; j++) {
826 ✗ if (descr_cur >= descr + sizeof(descr) - 4)
827 ✗ break;
828 ✗ *(descr_cur++) = get_media_type_char(avfilter_pad_get_type(pad, j));
829 }
830 ✗ if (!j)
831 ✗ *(descr_cur++) = ((!i && (filter->flags & AVFILTER_FLAG_DYNAMIC_INPUTS)) ||
832 ✗ ( i && (filter->flags & AVFILTER_FLAG_DYNAMIC_OUTPUTS))) ? 'N' : '|';
833 }
834 ✗ *descr_cur = 0;
835 ✗ printf(" %c%c %-17s %-10s %s\n",
836 ✗ filter->flags & AVFILTER_FLAG_SUPPORT_TIMELINE ? 'T' : '.',
837 ✗ filter->flags & AVFILTER_FLAG_SLICE_THREADS ? 'S' : '.',
838 ✗ filter->name, descr, filter->description);
839 }
840 #else
841 printf("No filters available: libavfilter disabled\n");
842 #endif
843 ✗ return 0;
844 }
845
846 ✗ static int is_device(const AVClass *avclass)
847 {
848 ✗ if (!avclass)
849 ✗ return 0;
850 ✗ return AV_IS_INPUT_DEVICE(avclass->category) || AV_IS_OUTPUT_DEVICE(avclass->category);
851 }
852
853 ✗ static int show_formats_devices(void *optctx, const char *opt, const char *arg, int device_only, int muxdemuxers)
854 {
855 ✗ void *ifmt_opaque = NULL;
856 ✗ const AVInputFormat *ifmt = NULL;
857 ✗ void *ofmt_opaque = NULL;
858 ✗ const AVOutputFormat *ofmt = NULL;
859 const char *last_name;
860 int is_dev;
861 ✗ const char *is_device_placeholder = device_only ? "" : ".";
862
863 ✗ printf("%s:\n"
864 " D.%s = Demuxing supported\n"
865 " .E%s = Muxing supported\n"
866 "%s"
867 " ---\n",
868 device_only ? "Devices" : "Formats",
869 is_device_placeholder, is_device_placeholder,
870 device_only ? "": " ..d = Is a device\n");
871
872 ✗ last_name = "000";
873 ✗ for (;;) {
874 ✗ int decode = 0;
875 ✗ int encode = 0;
876 ✗ int device = 0;
877 ✗ const char *name = NULL;
878 ✗ const char *long_name = NULL;
879
880 ✗ if (muxdemuxers !=SHOW_DEMUXERS) {
881 ✗ ofmt_opaque = NULL;
882 ✗ while ((ofmt = av_muxer_iterate(&ofmt_opaque))) {
883 ✗ is_dev = is_device(ofmt->priv_class);
884 ✗ if (!is_dev && device_only)
885 ✗ continue;
886 ✗ if ((!name || strcmp(ofmt->name, name) < 0) &&
887 ✗ strcmp(ofmt->name, last_name) > 0) {
888 ✗ name = ofmt->name;
889 ✗ long_name = ofmt->long_name;
890 ✗ encode = 1;
891 ✗ device = is_dev;
892 }
893 }
894 }
895 ✗ if (muxdemuxers != SHOW_MUXERS) {
896 ✗ ifmt_opaque = NULL;
897 ✗ while ((ifmt = av_demuxer_iterate(&ifmt_opaque))) {
898 ✗ is_dev = is_device(ifmt->priv_class);
899 ✗ if (!is_dev && device_only)
900 ✗ continue;
901 ✗ if ((!name || strcmp(ifmt->name, name) < 0) &&
902 ✗ strcmp(ifmt->name, last_name) > 0) {
903 ✗ name = ifmt->name;
904 ✗ long_name = ifmt->long_name;
905 ✗ encode = 0;
906 ✗ device = is_dev;
907 }
908 ✗ if (name && strcmp(ifmt->name, name) == 0) {
909 ✗ decode = 1;
910 ✗ device = is_dev;
911 }
912 }
913 }
914 ✗ if (!name)
915 ✗ break;
916 ✗ last_name = name;
917
918 ✗ printf(" %c%c%s %-15s %s\n",
919 decode ? 'D' : ' ',
920 encode ? 'E' : ' ',
921 ✗ device_only ? "" : (device ? "d" : " "),
922 name,
923 long_name ? long_name : " ");
924 }
925 ✗ return 0;
926 }
927
928 ✗ int show_formats(void *optctx, const char *opt, const char *arg)
929 {
930 ✗ return show_formats_devices(optctx, opt, arg, 0, SHOW_DEFAULT);
931 }
932
933 ✗ int show_muxers(void *optctx, const char *opt, const char *arg)
934 {
935 ✗ return show_formats_devices(optctx, opt, arg, 0, SHOW_MUXERS);
936 }
937
938 ✗ int show_demuxers(void *optctx, const char *opt, const char *arg)
939 {
940 ✗ return show_formats_devices(optctx, opt, arg, 0, SHOW_DEMUXERS);
941 }
942
943 ✗ int show_devices(void *optctx, const char *opt, const char *arg)
944 {
945 ✗ return show_formats_devices(optctx, opt, arg, 1, SHOW_DEFAULT);
946 }
947
948 ✗ int show_protocols(void *optctx, const char *opt, const char *arg)
949 {
950 ✗ void *opaque = NULL;
951 const char *name;
952
953 ✗ printf("Supported file protocols:\n"
954 "Input:\n");
955 ✗ while ((name = avio_enum_protocols(&opaque, 0)))
956 ✗ printf(" %s\n", name);
957 ✗ printf("Output:\n");
958 ✗ while ((name = avio_enum_protocols(&opaque, 1)))
959 ✗ printf(" %s\n", name);
960 ✗ return 0;
961 }
962
963 ✗ int show_colors(void *optctx, const char *opt, const char *arg)
964 {
965 const char *name;
966 const uint8_t *rgb;
967 int i;
968
969 ✗ printf("%-32s #RRGGBB\n", "name");
970
971 ✗ for (i = 0; name = av_get_known_color_name(i, &rgb); i++)
972 ✗ printf("%-32s #%02x%02x%02x\n", name, rgb[0], rgb[1], rgb[2]);
973
974 ✗ return 0;
975 }
976
977 1 int show_pix_fmts(void *optctx, const char *opt, const char *arg)
978 {
979 1 const AVPixFmtDescriptor *pix_desc = NULL;
980
981 1 printf("Pixel formats:\n"
982 "I.... = Supported Input format for conversion\n"
983 ".O... = Supported Output format for conversion\n"
984 "..H.. = Hardware accelerated format\n"
985 "...P. = Paletted format\n"
986 "....B = Bitstream format\n"
987 "FLAGS NAME NB_COMPONENTS BITS_PER_PIXEL BIT_DEPTHS\n"
988 "-----\n");
989
990 #if !CONFIG_SWSCALE
991 # define sws_isSupportedInput(x) 0
992 # define sws_isSupportedOutput(x) 0
993 #endif
994
995
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 244 while ((pix_desc = av_pix_fmt_desc_next(pix_desc))) {
996 243 enum AVPixelFormat av_unused pix_fmt = av_pix_fmt_desc_get_id(pix_desc);
997
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 1215 printf("%c%c%c%c%c %-16s %d %3d %d",
998 243 sws_isSupportedInput (pix_fmt) ? 'I' : '.',
999 243 sws_isSupportedOutput(pix_fmt) ? 'O' : '.',
1000
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 243 pix_desc->flags & AV_PIX_FMT_FLAG_HWACCEL ? 'H' : '.',
1001
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 243 pix_desc->flags & AV_PIX_FMT_FLAG_PAL ? 'P' : '.',
1002 243 pix_desc->flags & AV_PIX_FMT_FLAG_BITSTREAM ? 'B' : '.',
1003 243 pix_desc->name,
1004
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 243 pix_desc->nb_components,
1005 av_get_bits_per_pixel(pix_desc),
1006 243 pix_desc->comp[0].depth);
1007
1008
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 721 for (unsigned i = 1; i < pix_desc->nb_components; i++)
1009 478 printf("-%d", pix_desc->comp[i].depth);
1010 243 printf("\n");
1011 }
1012 1 return 0;
1013 }
1014
1015 ✗ int show_layouts(void *optctx, const char *opt, const char *arg)
1016 {
1017 const AVChannelLayout *ch_layout;
1018 ✗ void *iter = NULL;
1019 char buf[128], buf2[128];
1020 ✗ int i = 0;
1021
1022 ✗ printf("Individual channels:\n"
1023 "NAME DESCRIPTION\n");
1024 ✗ for (i = 0; i < 63; i++) {
1025 ✗ av_channel_name(buf, sizeof(buf), i);
1026 ✗ if (strstr(buf, "USR"))
1027 ✗ continue;
1028 ✗ av_channel_description(buf2, sizeof(buf2), i);
1029 ✗ printf("%-14s %s\n", buf, buf2);
1030 }
1031 ✗ printf("\nStandard channel layouts:\n"
1032 "NAME DECOMPOSITION\n");
1033 ✗ while (ch_layout = av_channel_layout_standard(&iter)) {
1034 ✗ av_channel_layout_describe(ch_layout, buf, sizeof(buf));
1035 ✗ printf("%-14s ", buf);
1036 ✗ for (i = 0; i < 63; i++) {
1037 ✗ int idx = av_channel_layout_index_from_channel(ch_layout, i);
1038 ✗ if (idx >= 0) {
1039 ✗ av_channel_name(buf2, sizeof(buf2), i);
1040 ✗ printf("%s%s", idx ? "+" : "", buf2);
1041 }
1042 }
1043 ✗ printf("\n");
1044 }
1045 ✗ return 0;
1046 }
1047
1048 ✗ int show_sample_fmts(void *optctx, const char *opt, const char *arg)
1049 {
1050 int i;
1051 char fmt_str[128];
1052 ✗ for (i = -1; i < AV_SAMPLE_FMT_NB; i++)
1053 ✗ printf("%s\n", av_get_sample_fmt_string(fmt_str, sizeof(fmt_str), i));
1054 ✗ return 0;
1055 }
1056
1057 ✗ int show_dispositions(void *optctx, const char *opt, const char *arg)
1058 {
1059 ✗ for (int i = 0; i < 32; i++) {
1060 ✗ const char *str = av_disposition_to_string(1U << i);
1061 ✗ if (str)
1062 ✗ printf("%s\n", str);
1063 }
1064 ✗ return 0;
1065 }
1066
1067 7888 int opt_cpuflags(void *optctx, const char *opt, const char *arg)
1068 {
1069 int ret;
1070 7888 unsigned flags = av_get_cpu_flags();
1071
1072
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 7888 if ((ret = av_parse_cpu_caps(&flags, arg)) < 0)
1073 ✗ return ret;
1074
1075 7888 av_force_cpu_flags(flags);
1076 7888 return 0;
1077 }
1078
1079 ✗ int opt_cpucount(void *optctx, const char *opt, const char *arg)
1080 {
1081 int ret;
1082 int count;
1083
1084 static const AVOption opts[] = {
1085 {"count", NULL, 0, AV_OPT_TYPE_INT, { .i64 = -1}, -1, INT_MAX},
1086 {NULL},
1087 };
1088 static const AVClass class = {
1089 .class_name = "cpucount",
1090 .item_name = av_default_item_name,
1091 .option = opts,
1092 .version = LIBAVUTIL_VERSION_INT,
1093 };
1094 ✗ const AVClass *pclass = &class;
1095
1096 ✗ ret = av_opt_eval_int(&pclass, opts, arg, &count);
1097
1098 ✗ if (!ret) {
1099 ✗ av_cpu_force_count(count);
1100 }
1101
1102 ✗ return ret;
1103 }
1104
1105 ✗ static void expand_filename_template(AVBPrint *bp, const char *template,
1106 struct tm *tm)
1107 {
1108 int c;
1109
1110 ✗ while ((c = *(template++))) {
1111 ✗ if (c == '%') {
1112 ✗ if (!(c = *(template++)))
1113 ✗ break;
1114 ✗ switch (c) {
1115 ✗ case 'p':
1116 ✗ av_bprintf(bp, "%s", program_name);
1117 ✗ break;
1118 ✗ case 't':
1119 ✗ av_bprintf(bp, "%04d%02d%02d-%02d%02d%02d",
1120 ✗ tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday,
1121 tm->tm_hour, tm->tm_min, tm->tm_sec);
1122 ✗ break;
1123 ✗ case '%':
1124 ✗ av_bprint_chars(bp, c, 1);
1125 ✗ break;
1126 }
1127 } else {
1128 ✗ av_bprint_chars(bp, c, 1);
1129 }
1130 }
1131 ✗ }
1132
1133 ✗ static void log_callback_report(void *ptr, int level, const char *fmt, va_list vl)
1134 {
1135 va_list vl2;
1136 char line[1024];
1137 static int print_prefix = 1;
1138
1139 ✗ va_copy(vl2, vl);
1140 ✗ av_log_default_callback(ptr, level, fmt, vl);
1141 ✗ av_log_format_line(ptr, level, fmt, vl2, line, sizeof(line), &print_prefix);
1142 ✗ va_end(vl2);
1143 ✗ if (report_file_level >= level) {
1144 ✗ fputs(line, report_file);
1145 ✗ fflush(report_file);
1146 }
1147 ✗ }
1148
1149 ✗ int init_report(const char *env, FILE **file)
1150 {
1151 ✗ char *filename_template = NULL;
1152 char *key, *val;
1153 ✗ int ret, count = 0;
1154 ✗ int prog_loglevel, envlevel = 0;
1155 time_t now;
1156 struct tm *tm;
1157 AVBPrint filename;
1158
1159 ✗ if (report_file) /* already opened */
1160 ✗ return 0;
1161 ✗ time(&now);
1162 ✗ tm = localtime(&now);
1163
1164 ✗ while (env && *env) {
1165 ✗ if ((ret = av_opt_get_key_value(&env, "=", ":", 0, &key, &val)) < 0) {
1166 ✗ if (count)
1167 ✗ av_log(NULL, AV_LOG_ERROR,
1168 "Failed to parse FFREPORT environment variable: %s\n",
1169 ✗ av_err2str(ret));
1170 ✗ break;
1171 }
1172 ✗ if (*env)
1173 ✗ env++;
1174 ✗ count++;
1175 ✗ if (!strcmp(key, "file")) {
1176 ✗ av_free(filename_template);
1177 ✗ filename_template = val;
1178 ✗ val = NULL;
1179 ✗ } else if (!strcmp(key, "level")) {
1180 char *tail;
1181 ✗ report_file_level = strtol(val, &tail, 10);
1182 ✗ if (*tail) {
1183 ✗ av_log(NULL, AV_LOG_FATAL, "Invalid report file level\n");
1184 ✗ av_free(key);
1185 ✗ av_free(val);
1186 ✗ av_free(filename_template);
1187 ✗ return AVERROR(EINVAL);
1188 }
1189 ✗ envlevel = 1;
1190 } else {
1191 ✗ av_log(NULL, AV_LOG_ERROR, "Unknown key '%s' in FFREPORT\n", key);
1192 }
1193 ✗ av_free(val);
1194 ✗ av_free(key);
1195 }
1196
1197 ✗ av_bprint_init(&filename, 0, AV_BPRINT_SIZE_AUTOMATIC);
1198 ✗ expand_filename_template(&filename,
1199 ✗ av_x_if_null(filename_template, "%p-%t.log"), tm);
1200 ✗ av_free(filename_template);
1201 ✗ if (!av_bprint_is_complete(&filename)) {
1202 ✗ av_log(NULL, AV_LOG_ERROR, "Out of memory building report file name\n");
1203 ✗ return AVERROR(ENOMEM);
1204 }
1205
1206 ✗ prog_loglevel = av_log_get_level();
1207 ✗ if (!envlevel)
1208 ✗ report_file_level = FFMAX(report_file_level, prog_loglevel);
1209
1210 ✗ report_file = fopen(filename.str, "w");
1211 ✗ if (!report_file) {
1212 ✗ int ret = AVERROR(errno);
1213 ✗ av_log(NULL, AV_LOG_ERROR, "Failed to open report \"%s\": %s\n",
1214 ✗ filename.str, strerror(errno));
1215 ✗ return ret;
1216 }
1217 ✗ av_log_set_callback(log_callback_report);
1218 ✗ av_log(NULL, AV_LOG_INFO,
1219 "%s started on %04d-%02d-%02d at %02d:%02d:%02d\n"
1220 "Report written to \"%s\"\n"
1221 "Log level: %d\n",
1222 program_name,
1223 ✗ tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday,
1224 tm->tm_hour, tm->tm_min, tm->tm_sec,
1225 filename.str, report_file_level);
1226 ✗ av_bprint_finalize(&filename, NULL);
1227
1228 ✗ if (file)
1229 ✗ *file = report_file;
1230
1231 ✗ return 0;
1232 }
1233
1234 ✗ int opt_report(void *optctx, const char *opt, const char *arg)
1235 {
1236 ✗ return init_report(NULL, NULL);
1237 }
1238
1239 ✗ int opt_max_alloc(void *optctx, const char *opt, const char *arg)
1240 {
1241 char *tail;
1242 size_t max;
1243
1244 ✗ max = strtol(arg, &tail, 10);
1245 ✗ if (*tail) {
1246 ✗ av_log(NULL, AV_LOG_FATAL, "Invalid max_alloc \"%s\".\n", arg);
1247 ✗ return AVERROR(EINVAL);
1248 }
1249 ✗ av_max_alloc(max);
1250 ✗ return 0;
1251 }
1252
1253 32 int opt_loglevel(void *optctx, const char *opt, const char *arg)
1254 {
1255 32 const struct { const char *name; int level; } log_levels[] = {
1256 { "quiet" , AV_LOG_QUIET },
1257 { "panic" , AV_LOG_PANIC },
1258 { "fatal" , AV_LOG_FATAL },
1259 { "error" , AV_LOG_ERROR },
1260 { "warning", AV_LOG_WARNING },
1261 { "info" , AV_LOG_INFO },
1262 { "verbose", AV_LOG_VERBOSE },
1263 { "debug" , AV_LOG_DEBUG },
1264 { "trace" , AV_LOG_TRACE },
1265 };
1266 const char *token;
1267 char *tail;
1268 32 int flags = av_log_get_flags();
1269 32 int level = av_log_get_level();
1270 32 int cmd, i = 0;
1271
1272
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 32 av_assert0(arg);
1273
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 32 while (*arg) {
1274 32 token = arg;
1275
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 32 if (*token == '+' || *token == '-') {
1276 ✗ cmd = *token++;
1277 } else {
1278 32 cmd = 0;
1279 }
1280
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 32 if (!i && !cmd) {
1281 32 flags = 0; /* missing relative prefix, build absolute value */
1282 }
1283
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 32 if (av_strstart(token, "repeat", &arg)) {
1284 ✗ if (cmd == '-') {
1285 ✗ flags |= AV_LOG_SKIP_REPEATED;
1286 } else {
1287 ✗ flags &= ~AV_LOG_SKIP_REPEATED;
1288 }
1289
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 32 } else if (av_strstart(token, "level", &arg)) {
1290 ✗ if (cmd == '-') {
1291 ✗ flags &= ~AV_LOG_PRINT_LEVEL;
1292 } else {
1293 ✗ flags |= AV_LOG_PRINT_LEVEL;
1294 }
1295 } else {
1296 32 break;
1297 }
1298 ✗ i++;
1299 }
1300
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 32 if (!*arg) {
1301 ✗ goto end;
1302
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 32 } else if (*arg == '+') {
1303 ✗ arg++;
1304
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 32 } else if (!i) {
1305 32 flags = av_log_get_flags(); /* level value without prefix, reset flags */
1306 }
1307
1308
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 308 for (i = 0; i < FF_ARRAY_ELEMS(log_levels); i++) {
1309
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 280 if (!strcmp(log_levels[i].name, arg)) {
1310 4 level = log_levels[i].level;
1311 4 goto end;
1312 }
1313 }
1314
1315 28 level = strtol(arg, &tail, 10);
1316
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 28 if (*tail) {
1317 ✗ av_log(NULL, AV_LOG_FATAL, "Invalid loglevel \"%s\". "
1318 "Possible levels are numbers or:\n", arg);
1319 ✗ for (i = 0; i < FF_ARRAY_ELEMS(log_levels); i++)
1320 ✗ av_log(NULL, AV_LOG_FATAL, "\"%s\"\n", log_levels[i].name);
1321 ✗ return AVERROR(EINVAL);
1322 }
1323
1324 28 end:
1325 32 av_log_set_flags(flags);
1326 32 av_log_set_level(level);
1327 32 return 0;
1328 }
1329
1330 #if CONFIG_AVDEVICE
1331 ✗ static void print_device_list(const AVDeviceInfoList *device_list)
1332 {
1333 // print devices
1334 ✗ for (int i = 0; i < device_list->nb_devices; i++) {
1335 ✗ const AVDeviceInfo *device = device_list->devices[i];
1336 ✗ printf("%c %s [%s] (", device_list->default_device == i ? '*' : ' ',
1337 ✗ device->device_name, device->device_description);
1338 ✗ if (device->nb_media_types > 0) {
1339 ✗ for (int j = 0; j < device->nb_media_types; ++j) {
1340 ✗ const char* media_type = av_get_media_type_string(device->media_types[j]);
1341 ✗ if (j > 0)
1342 ✗ printf(", ");
1343 ✗ printf("%s", media_type ? media_type : "unknown");
1344 }
1345 } else {
1346 ✗ printf("none");
1347 }
1348 ✗ printf(")\n");
1349 }
1350 ✗ }
1351
1352 ✗ static int print_device_sources(const AVInputFormat *fmt, AVDictionary *opts)
1353 {
1354 int ret;
1355 ✗ AVDeviceInfoList *device_list = NULL;
1356
1357 ✗ if (!fmt || !fmt->priv_class || !AV_IS_INPUT_DEVICE(fmt->priv_class->category))
1358 ✗ return AVERROR(EINVAL);
1359
1360 ✗ printf("Auto-detected sources for %s:\n", fmt->name);
1361 ✗ if ((ret = avdevice_list_input_sources(fmt, NULL, opts, &device_list)) < 0) {
1362 ✗ printf("Cannot list sources: %s\n", av_err2str(ret));
1363 ✗ goto fail;
1364 }
1365
1366 ✗ print_device_list(device_list);
1367
1368 ✗ fail:
1369 ✗ avdevice_free_list_devices(&device_list);
1370 ✗ return ret;
1371 }
1372
1373 ✗ static int print_device_sinks(const AVOutputFormat *fmt, AVDictionary *opts)
1374 {
1375 int ret;
1376 ✗ AVDeviceInfoList *device_list = NULL;
1377
1378 ✗ if (!fmt || !fmt->priv_class || !AV_IS_OUTPUT_DEVICE(fmt->priv_class->category))
1379 ✗ return AVERROR(EINVAL);
1380
1381 ✗ printf("Auto-detected sinks for %s:\n", fmt->name);
1382 ✗ if ((ret = avdevice_list_output_sinks(fmt, NULL, opts, &device_list)) < 0) {
1383 ✗ printf("Cannot list sinks: %s\n", av_err2str(ret));
1384 ✗ goto fail;
1385 }
1386
1387 ✗ print_device_list(device_list);
1388
1389 ✗ fail:
1390 ✗ avdevice_free_list_devices(&device_list);
1391 ✗ return ret;
1392 }
1393
1394 ✗ static int show_sinks_sources_parse_arg(const char *arg, char **dev, AVDictionary **opts)
1395 {
1396 int ret;
1397 ✗ if (arg) {
1398 ✗ char *opts_str = NULL;
1399 ✗ av_assert0(dev && opts);
1400 ✗ *dev = av_strdup(arg);
1401 ✗ if (!*dev)
1402 ✗ return AVERROR(ENOMEM);
1403 ✗ if ((opts_str = strchr(*dev, ','))) {
1404 ✗ *(opts_str++) = '\0';
1405 ✗ if (opts_str[0] && ((ret = av_dict_parse_string(opts, opts_str, "=", ":", 0)) < 0)) {
1406 ✗ av_freep(dev);
1407 ✗ return ret;
1408 }
1409 }
1410 } else
1411 ✗ printf("\nDevice name is not provided.\n"
1412 "You can pass devicename[,opt1=val1[,opt2=val2...]] as an argument.\n\n");
1413 ✗ return 0;
1414 }
1415
1416 ✗ int show_sources(void *optctx, const char *opt, const char *arg)
1417 {
1418 ✗ const AVInputFormat *fmt = NULL;
1419 ✗ char *dev = NULL;
1420 ✗ AVDictionary *opts = NULL;
1421 ✗ int ret = 0;
1422 ✗ int error_level = av_log_get_level();
1423
1424 ✗ av_log_set_level(AV_LOG_WARNING);
1425
1426 ✗ if ((ret = show_sinks_sources_parse_arg(arg, &dev, &opts)) < 0)
1427 ✗ goto fail;
1428
1429 do {
1430 ✗ fmt = av_input_audio_device_next(fmt);
1431 ✗ if (fmt) {
1432 ✗ if (!strcmp(fmt->name, "lavfi"))
1433 ✗ continue; //it's pointless to probe lavfi
1434 ✗ if (dev && !av_match_name(dev, fmt->name))
1435 ✗ continue;
1436 ✗ print_device_sources(fmt, opts);
1437 }
1438 ✗ } while (fmt);
1439 do {
1440 ✗ fmt = av_input_video_device_next(fmt);
1441 ✗ if (fmt) {
1442 ✗ if (dev && !av_match_name(dev, fmt->name))
1443 ✗ continue;
1444 ✗ print_device_sources(fmt, opts);
1445 }
1446 ✗ } while (fmt);
1447 ✗ fail:
1448 ✗ av_dict_free(&opts);
1449 ✗ av_free(dev);
1450 ✗ av_log_set_level(error_level);
1451 ✗ return ret;
1452 }
1453
1454 ✗ int show_sinks(void *optctx, const char *opt, const char *arg)
1455 {
1456 ✗ const AVOutputFormat *fmt = NULL;
1457 ✗ char *dev = NULL;
1458 ✗ AVDictionary *opts = NULL;
1459 ✗ int ret = 0;
1460 ✗ int error_level = av_log_get_level();
1461
1462 ✗ av_log_set_level(AV_LOG_WARNING);
1463
1464 ✗ if ((ret = show_sinks_sources_parse_arg(arg, &dev, &opts)) < 0)
1465 ✗ goto fail;
1466
1467 do {
1468 ✗ fmt = av_output_audio_device_next(fmt);
1469 ✗ if (fmt) {
1470 ✗ if (dev && !av_match_name(dev, fmt->name))
1471 ✗ continue;
1472 ✗ print_device_sinks(fmt, opts);
1473 }
1474 ✗ } while (fmt);
1475 do {
1476 ✗ fmt = av_output_video_device_next(fmt);
1477 ✗ if (fmt) {
1478 ✗ if (dev && !av_match_name(dev, fmt->name))
1479 ✗ continue;
1480 ✗ print_device_sinks(fmt, opts);
1481 }
1482 ✗ } while (fmt);
1483 ✗ fail:
1484 ✗ av_dict_free(&opts);
1485 ✗ av_free(dev);
1486 ✗ av_log_set_level(error_level);
1487 ✗ return ret;
1488 }
1489 #endif /* CONFIG_AVDEVICE */
1490