FFmpeg coverage

Directory: ../../../ffmpeg/
File: src/fftools/opt_common.c
Date: 2023-12-07 21:54:23
Exec Total Coverage
Lines: 77 755 10.2%
Functions: 6 52 11.5%
Branches: 83 627 13.2%
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 13636 static void print_all_libs_info(int flags, int level)
186 {
187
6/10
✓ Branch 0 taken 13636 times.
✗ Branch 1 not taken.
✓ Branch 2 taken 6818 times.
✓ Branch 3 taken 6818 times.
✓ Branch 6 taken 6818 times.
✓ Branch 7 taken 6818 times.
✗ Branch 9 not taken.
✓ Branch 10 taken 6818 times.
✗ Branch 11 not taken.
✗ Branch 12 not taken.
 13636 PRINT_LIB_INFO(avutil, AVUTIL, flags, level);
188
6/10
✓ Branch 0 taken 13636 times.
✗ Branch 1 not taken.
✓ Branch 2 taken 6818 times.
✓ Branch 3 taken 6818 times.
✓ Branch 6 taken 6818 times.
✓ Branch 7 taken 6818 times.
✗ Branch 9 not taken.
✓ Branch 10 taken 6818 times.
✗ Branch 11 not taken.
✗ Branch 12 not taken.
 13636 PRINT_LIB_INFO(avcodec, AVCODEC, flags, level);
189
6/10
✓ Branch 0 taken 13636 times.
✗ Branch 1 not taken.
✓ Branch 2 taken 6818 times.
✓ Branch 3 taken 6818 times.
✓ Branch 6 taken 6818 times.
✓ Branch 7 taken 6818 times.
✗ Branch 9 not taken.
✓ Branch 10 taken 6818 times.
✗ Branch 11 not taken.
✗ Branch 12 not taken.
 13636 PRINT_LIB_INFO(avformat, AVFORMAT, flags, level);
190
6/10
✓ Branch 0 taken 13636 times.
✗ Branch 1 not taken.
✓ Branch 2 taken 6818 times.
✓ Branch 3 taken 6818 times.
✓ Branch 6 taken 6818 times.
✓ Branch 7 taken 6818 times.
✗ Branch 9 not taken.
✓ Branch 10 taken 6818 times.
✗ Branch 11 not taken.
✗ Branch 12 not taken.
 13636 PRINT_LIB_INFO(avdevice, AVDEVICE, flags, level);
191
6/10
✓ Branch 0 taken 13636 times.
✗ Branch 1 not taken.
✓ Branch 2 taken 6818 times.
✓ Branch 3 taken 6818 times.
✓ Branch 6 taken 6818 times.
✓ Branch 7 taken 6818 times.
✗ Branch 9 not taken.
✓ Branch 10 taken 6818 times.
✗ Branch 11 not taken.
✗ Branch 12 not taken.
 13636 PRINT_LIB_INFO(avfilter, AVFILTER, flags, level);
192
6/10
✓ Branch 0 taken 13636 times.
✗ Branch 1 not taken.
✓ Branch 2 taken 6818 times.
✓ Branch 3 taken 6818 times.
✓ Branch 6 taken 6818 times.
✓ Branch 7 taken 6818 times.
✗ Branch 9 not taken.
✓ Branch 10 taken 6818 times.
✗ Branch 11 not taken.
✗ Branch 12 not taken.
 13636 PRINT_LIB_INFO(swscale, SWSCALE, flags, level);
193
6/10
✓ Branch 0 taken 13636 times.
✗ Branch 1 not taken.
✓ Branch 2 taken 6818 times.
✓ Branch 3 taken 6818 times.
✓ Branch 6 taken 6818 times.
✓ Branch 7 taken 6818 times.
✗ Branch 9 not taken.
✓ Branch 10 taken 6818 times.
✗ Branch 11 not taken.
✗ Branch 12 not taken.
 13636 PRINT_LIB_INFO(swresample, SWRESAMPLE, flags, level);
194
6/10
✓ Branch 0 taken 13636 times.
✗ Branch 1 not taken.
✓ Branch 2 taken 6818 times.
✓ Branch 3 taken 6818 times.
✓ Branch 6 taken 6818 times.
✓ Branch 7 taken 6818 times.
✗ Branch 9 not taken.
✓ Branch 10 taken 6818 times.
✗ Branch 11 not taken.
✗ Branch 12 not taken.
 13636 PRINT_LIB_INFO(postproc, POSTPROC, flags, level);
195 13636 }
196
197 6818 static void print_program_info(int flags, int level)
198 {
199
1/2
✓ Branch 0 taken 6818 times.
✗ Branch 1 not taken.
 6818 const char *indent = flags & INDENT? " " : "";
200
201 6818 av_log(NULL, level, "%s version " FFMPEG_VERSION, program_name);
202
1/2
✓ Branch 0 taken 6818 times.
✗ Branch 1 not taken.
 6818 if (flags & SHOW_COPYRIGHT)
203 6818 av_log(NULL, level, " Copyright (c) %d-%d the FFmpeg developers",
204 program_birth_year, CONFIG_THIS_YEAR);
205 6818 av_log(NULL, level, "\n");
206 6818 av_log(NULL, level, "%sbuilt with %s\n", indent, CC_IDENT);
207
208 6818 av_log(NULL, level, "%sconfiguration: " FFMPEG_CONFIGURATION "\n", indent);
209 6818 }
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 6818 void show_banner(int argc, char **argv, const OptionDef *options)
238 {
239 6818 int idx = locate_option(argc, argv, options, "version");
240
2/4
✓ Branch 0 taken 6818 times.
✗ Branch 1 not taken.
✗ Branch 2 not taken.
✓ Branch 3 taken 6818 times.
 6818 if (hide_banner || idx)
241 ✗ return;
242
243 6818 print_program_info (INDENT|SHOW_COPYRIGHT, AV_LOG_INFO);
244 6818 print_all_libs_info(INDENT|SHOW_CONFIG, AV_LOG_INFO);
245 6818 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, field, type, list_name, term, get_name) \
266 if (codec->field) { \
267 const type *p = codec->field; \
268 \
269 printf(" Supported " list_name ":"); \
270 while (*p != term) { \
271 get_name(*p); \
272 printf(" %s", name); \
273 p++; \
274 } \
275 printf("\n"); \
276 } \
277
278 ✗ static void print_codec(const AVCodec *c)
279 {
280 ✗ int encoder = av_codec_is_encoder(c);
281
282 ✗ printf("%s %s [%s]:\n", encoder ? "Encoder" : "Decoder", c->name,
283 ✗ c->long_name ? c->long_name : "");
284
285 ✗ printf(" General capabilities: ");
286 ✗ if (c->capabilities & AV_CODEC_CAP_DRAW_HORIZ_BAND)
287 ✗ printf("horizband ");
288 ✗ if (c->capabilities & AV_CODEC_CAP_DR1)
289 ✗ printf("dr1 ");
290 ✗ if (c->capabilities & AV_CODEC_CAP_DELAY)
291 ✗ printf("delay ");
292 ✗ if (c->capabilities & AV_CODEC_CAP_SMALL_LAST_FRAME)
293 ✗ printf("small ");
294 ✗ if (c->capabilities & AV_CODEC_CAP_EXPERIMENTAL)
295 ✗ printf("exp ");
296 ✗ if (c->capabilities & AV_CODEC_CAP_CHANNEL_CONF)
297 ✗ printf("chconf ");
298 ✗ if (c->capabilities & AV_CODEC_CAP_PARAM_CHANGE)
299 ✗ printf("paramchange ");
300 ✗ if (c->capabilities & AV_CODEC_CAP_VARIABLE_FRAME_SIZE)
301 ✗ printf("variable ");
302 ✗ if (c->capabilities & (AV_CODEC_CAP_FRAME_THREADS |
303 AV_CODEC_CAP_SLICE_THREADS |
304 AV_CODEC_CAP_OTHER_THREADS))
305 ✗ printf("threads ");
306 ✗ if (c->capabilities & AV_CODEC_CAP_AVOID_PROBING)
307 ✗ printf("avoidprobe ");
308 ✗ if (c->capabilities & AV_CODEC_CAP_HARDWARE)
309 ✗ printf("hardware ");
310 ✗ if (c->capabilities & AV_CODEC_CAP_HYBRID)
311 ✗ printf("hybrid ");
312 ✗ if (!c->capabilities)
313 ✗ printf("none");
314 ✗ printf("\n");
315
316 ✗ if (c->type == AVMEDIA_TYPE_VIDEO ||
317 ✗ c->type == AVMEDIA_TYPE_AUDIO) {
318 ✗ printf(" Threading capabilities: ");
319 ✗ switch (c->capabilities & (AV_CODEC_CAP_FRAME_THREADS |
320 AV_CODEC_CAP_SLICE_THREADS |
321 AV_CODEC_CAP_OTHER_THREADS)) {
322 ✗ case AV_CODEC_CAP_FRAME_THREADS |
323 ✗ AV_CODEC_CAP_SLICE_THREADS: printf("frame and slice"); break;
324 ✗ case AV_CODEC_CAP_FRAME_THREADS: printf("frame"); break;
325 ✗ case AV_CODEC_CAP_SLICE_THREADS: printf("slice"); break;
326 ✗ case AV_CODEC_CAP_OTHER_THREADS: printf("other"); break;
327 ✗ default: printf("none"); break;
328 }
329 ✗ printf("\n");
330 }
331
332 ✗ if (avcodec_get_hw_config(c, 0)) {
333 ✗ printf(" Supported hardware devices: ");
334 ✗ for (int i = 0;; i++) {
335 ✗ const AVCodecHWConfig *config = avcodec_get_hw_config(c, i);
336 const char *name;
337 ✗ if (!config)
338 ✗ break;
339 ✗ name = av_hwdevice_get_type_name(config->device_type);
340 ✗ if (name)
341 ✗ printf("%s ", name);
342 }
343 ✗ printf("\n");
344 }
345
346 ✗ if (c->supported_framerates) {
347 ✗ const AVRational *fps = c->supported_framerates;
348
349 ✗ printf(" Supported framerates:");
350 ✗ while (fps->num) {
351 ✗ printf(" %d/%d", fps->num, fps->den);
352 ✗ fps++;
353 }
354 ✗ printf("\n");
355 }
356 ✗ PRINT_CODEC_SUPPORTED(c, pix_fmts, enum AVPixelFormat, "pixel formats",
357 AV_PIX_FMT_NONE, GET_PIX_FMT_NAME);
358 ✗ PRINT_CODEC_SUPPORTED(c, supported_samplerates, int, "sample rates", 0,
359 GET_SAMPLE_RATE_NAME);
360 ✗ PRINT_CODEC_SUPPORTED(c, sample_fmts, enum AVSampleFormat, "sample formats",
361 AV_SAMPLE_FMT_NONE, GET_SAMPLE_FMT_NAME);
362
363 ✗ if (c->ch_layouts) {
364 ✗ const AVChannelLayout *p = c->ch_layouts;
365
366 ✗ printf(" Supported channel layouts:");
367 ✗ while (p->nb_channels) {
368 char name[128];
369 ✗ av_channel_layout_describe(p, name, sizeof(name));
370 ✗ printf(" %s", name);
371 ✗ p++;
372 }
373 ✗ printf("\n");
374 }
375
376 ✗ if (c->priv_class) {
377 ✗ show_help_children(c->priv_class,
378 AV_OPT_FLAG_ENCODING_PARAM |
379 AV_OPT_FLAG_DECODING_PARAM);
380 }
381 ✗ }
382
383 ✗ static const AVCodec *next_codec_for_id(enum AVCodecID id, void **iter,
384 int encoder)
385 {
386 const AVCodec *c;
387 ✗ while ((c = av_codec_iterate(iter))) {
388 ✗ if (c->id == id &&
389 ✗ (encoder ? av_codec_is_encoder(c) : av_codec_is_decoder(c)))
390 ✗ return c;
391 }
392 ✗ return NULL;
393 }
394
395 ✗ static void show_help_codec(const char *name, int encoder)
396 {
397 const AVCodecDescriptor *desc;
398 const AVCodec *codec;
399
400 ✗ if (!name) {
401 ✗ av_log(NULL, AV_LOG_ERROR, "No codec name specified.\n");
402 ✗ return;
403 }
404
405 ✗ codec = encoder ? avcodec_find_encoder_by_name(name) :
406 ✗ avcodec_find_decoder_by_name(name);
407
408 ✗ if (codec)
409 ✗ print_codec(codec);
410 ✗ else if ((desc = avcodec_descriptor_get_by_name(name))) {
411 ✗ void *iter = NULL;
412 ✗ int printed = 0;
413
414 ✗ while ((codec = next_codec_for_id(desc->id, &iter, encoder))) {
415 ✗ printed = 1;
416 ✗ print_codec(codec);
417 }
418
419 ✗ if (!printed) {
420 ✗ av_log(NULL, AV_LOG_ERROR, "Codec '%s' is known to FFmpeg, "
421 "but no %s for it are available. FFmpeg might need to be "
422 "recompiled with additional external libraries.\n",
423 name, encoder ? "encoders" : "decoders");
424 }
425 } else {
426 ✗ av_log(NULL, AV_LOG_ERROR, "Codec '%s' is not recognized by FFmpeg.\n",
427 name);
428 }
429 }
430
431 ✗ static void show_help_demuxer(const char *name)
432 {
433 ✗ const AVInputFormat *fmt = av_find_input_format(name);
434
435 ✗ if (!fmt) {
436 ✗ av_log(NULL, AV_LOG_ERROR, "Unknown format '%s'.\n", name);
437 ✗ return;
438 }
439
440 ✗ printf("Demuxer %s [%s]:\n", fmt->name, fmt->long_name);
441
442 ✗ if (fmt->extensions)
443 ✗ printf(" Common extensions: %s.\n", fmt->extensions);
444
445 ✗ if (fmt->priv_class)
446 ✗ show_help_children(fmt->priv_class, AV_OPT_FLAG_DECODING_PARAM);
447 }
448
449 ✗ static void show_help_protocol(const char *name)
450 {
451 const AVClass *proto_class;
452
453 ✗ if (!name) {
454 ✗ av_log(NULL, AV_LOG_ERROR, "No protocol name specified.\n");
455 ✗ return;
456 }
457
458 ✗ proto_class = avio_protocol_get_class(name);
459 ✗ if (!proto_class) {
460 ✗ av_log(NULL, AV_LOG_ERROR, "Unknown protocol '%s'.\n", name);
461 ✗ return;
462 }
463
464 ✗ show_help_children(proto_class, AV_OPT_FLAG_DECODING_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
465 }
466
467 ✗ static void show_help_muxer(const char *name)
468 {
469 const AVCodecDescriptor *desc;
470 ✗ const AVOutputFormat *fmt = av_guess_format(name, NULL, NULL);
471
472 ✗ if (!fmt) {
473 ✗ av_log(NULL, AV_LOG_ERROR, "Unknown format '%s'.\n", name);
474 ✗ return;
475 }
476
477 ✗ printf("Muxer %s [%s]:\n", fmt->name, fmt->long_name);
478
479 ✗ if (fmt->extensions)
480 ✗ printf(" Common extensions: %s.\n", fmt->extensions);
481 ✗ if (fmt->mime_type)
482 ✗ printf(" Mime type: %s.\n", fmt->mime_type);
483 ✗ if (fmt->video_codec != AV_CODEC_ID_NONE &&
484 ✗ (desc = avcodec_descriptor_get(fmt->video_codec))) {
485 ✗ printf(" Default video codec: %s.\n", desc->name);
486 }
487 ✗ if (fmt->audio_codec != AV_CODEC_ID_NONE &&
488 ✗ (desc = avcodec_descriptor_get(fmt->audio_codec))) {
489 ✗ printf(" Default audio codec: %s.\n", desc->name);
490 }
491 ✗ if (fmt->subtitle_codec != AV_CODEC_ID_NONE &&
492 ✗ (desc = avcodec_descriptor_get(fmt->subtitle_codec))) {
493 ✗ printf(" Default subtitle codec: %s.\n", desc->name);
494 }
495
496 ✗ if (fmt->priv_class)
497 ✗ show_help_children(fmt->priv_class, AV_OPT_FLAG_ENCODING_PARAM);
498 }
499
500 #if CONFIG_AVFILTER
501 ✗ static void show_help_filter(const char *name)
502 {
503 #if CONFIG_AVFILTER
504 ✗ const AVFilter *f = avfilter_get_by_name(name);
505 int i, count;
506
507 ✗ if (!name) {
508 ✗ av_log(NULL, AV_LOG_ERROR, "No filter name specified.\n");
509 ✗ return;
510 ✗ } else if (!f) {
511 ✗ av_log(NULL, AV_LOG_ERROR, "Unknown filter '%s'.\n", name);
512 ✗ return;
513 }
514
515 ✗ printf("Filter %s\n", f->name);
516 ✗ if (f->description)
517 ✗ printf(" %s\n", f->description);
518
519 ✗ if (f->flags & AVFILTER_FLAG_SLICE_THREADS)
520 ✗ printf(" slice threading supported\n");
521
522 ✗ printf(" Inputs:\n");
523 ✗ count = avfilter_filter_pad_count(f, 0);
524 ✗ for (i = 0; i < count; i++) {
525 ✗ printf(" #%d: %s (%s)\n", i, avfilter_pad_get_name(f->inputs, i),
526 ✗ av_get_media_type_string(avfilter_pad_get_type(f->inputs, i)));
527 }
528 ✗ if (f->flags & AVFILTER_FLAG_DYNAMIC_INPUTS)
529 ✗ printf(" dynamic (depending on the options)\n");
530 ✗ else if (!count)
531 ✗ printf(" none (source filter)\n");
532
533 ✗ printf(" Outputs:\n");
534 ✗ count = avfilter_filter_pad_count(f, 1);
535 ✗ for (i = 0; i < count; i++) {
536 ✗ printf(" #%d: %s (%s)\n", i, avfilter_pad_get_name(f->outputs, i),
537 ✗ av_get_media_type_string(avfilter_pad_get_type(f->outputs, i)));
538 }
539 ✗ if (f->flags & AVFILTER_FLAG_DYNAMIC_OUTPUTS)
540 ✗ printf(" dynamic (depending on the options)\n");
541 ✗ else if (!count)
542 ✗ printf(" none (sink filter)\n");
543
544 ✗ if (f->priv_class)
545 ✗ show_help_children(f->priv_class, AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_FILTERING_PARAM |
546 AV_OPT_FLAG_AUDIO_PARAM);
547 ✗ if (f->flags & AVFILTER_FLAG_SUPPORT_TIMELINE)
548 ✗ printf("This filter has support for timeline through the 'enable' option.\n");
549 #else
550 av_log(NULL, AV_LOG_ERROR, "Build without libavfilter; "
551 "can not to satisfy request\n");
552 #endif
553 }
554 #endif
555
556 ✗ static void show_help_bsf(const char *name)
557 {
558 ✗ const AVBitStreamFilter *bsf = av_bsf_get_by_name(name);
559
560 ✗ if (!name) {
561 ✗ av_log(NULL, AV_LOG_ERROR, "No bitstream filter name specified.\n");
562 ✗ return;
563 ✗ } else if (!bsf) {
564 ✗ av_log(NULL, AV_LOG_ERROR, "Unknown bit stream filter '%s'.\n", name);
565 ✗ return;
566 }
567
568 ✗ printf("Bit stream filter %s\n", bsf->name);
569 ✗ PRINT_CODEC_SUPPORTED(bsf, codec_ids, enum AVCodecID, "codecs",
570 AV_CODEC_ID_NONE, GET_CODEC_NAME);
571 ✗ if (bsf->priv_class)
572 ✗ show_help_children(bsf->priv_class, AV_OPT_FLAG_BSF_PARAM);
573 }
574
575 ✗ int show_help(void *optctx, const char *opt, const char *arg)
576 {
577 char *topic, *par;
578 ✗ av_log_set_callback(log_callback_help);
579
580 ✗ topic = av_strdup(arg ? arg : "");
581 ✗ if (!topic)
582 ✗ return AVERROR(ENOMEM);
583 ✗ par = strchr(topic, '=');
584 ✗ if (par)
585 ✗ *par++ = 0;
586
587 ✗ if (!*topic) {
588 ✗ show_help_default(topic, par);
589 ✗ } else if (!strcmp(topic, "decoder")) {
590 ✗ show_help_codec(par, 0);
591 ✗ } else if (!strcmp(topic, "encoder")) {
592 ✗ show_help_codec(par, 1);
593 ✗ } else if (!strcmp(topic, "demuxer")) {
594 ✗ show_help_demuxer(par);
595 ✗ } else if (!strcmp(topic, "muxer")) {
596 ✗ show_help_muxer(par);
597 ✗ } else if (!strcmp(topic, "protocol")) {
598 ✗ show_help_protocol(par);
599 #if CONFIG_AVFILTER
600 ✗ } else if (!strcmp(topic, "filter")) {
601 ✗ show_help_filter(par);
602 #endif
603 ✗ } else if (!strcmp(topic, "bsf")) {
604 ✗ show_help_bsf(par);
605 } else {
606 ✗ show_help_default(topic, par);
607 }
608
609 ✗ av_freep(&topic);
610 ✗ return 0;
611 }
612
613 ✗ static void print_codecs_for_id(enum AVCodecID id, int encoder)
614 {
615 ✗ void *iter = NULL;
616 const AVCodec *codec;
617
618 ✗ printf(" (%s:", encoder ? "encoders" : "decoders");
619
620 ✗ while ((codec = next_codec_for_id(id, &iter, encoder)))
621 ✗ printf(" %s", codec->name);
622
623 ✗ printf(")");
624 ✗ }
625
626 ✗ static int compare_codec_desc(const void *a, const void *b)
627 {
628 ✗ const AVCodecDescriptor * const *da = a;
629 ✗ const AVCodecDescriptor * const *db = b;
630
631 ✗ return (*da)->type != (*db)->type ? FFDIFFSIGN((*da)->type, (*db)->type) :
632 ✗ strcmp((*da)->name, (*db)->name);
633 }
634
635 ✗ static int get_codecs_sorted(const AVCodecDescriptor ***rcodecs)
636 {
637 ✗ const AVCodecDescriptor *desc = NULL;
638 const AVCodecDescriptor **codecs;
639 ✗ unsigned nb_codecs = 0, i = 0;
640
641 ✗ while ((desc = avcodec_descriptor_next(desc)))
642 ✗ nb_codecs++;
643 ✗ if (!(codecs = av_calloc(nb_codecs, sizeof(*codecs))))
644 ✗ return AVERROR(ENOMEM);
645 ✗ desc = NULL;
646 ✗ while ((desc = avcodec_descriptor_next(desc)))
647 ✗ codecs[i++] = desc;
648 ✗ av_assert0(i == nb_codecs);
649 ✗ qsort(codecs, nb_codecs, sizeof(*codecs), compare_codec_desc);
650 ✗ *rcodecs = codecs;
651 ✗ return nb_codecs;
652 }
653
654 ✗ static char get_media_type_char(enum AVMediaType type)
655 {
656 ✗ switch (type) {
657 ✗ case AVMEDIA_TYPE_VIDEO: return 'V';
658 ✗ case AVMEDIA_TYPE_AUDIO: return 'A';
659 ✗ case AVMEDIA_TYPE_DATA: return 'D';
660 ✗ case AVMEDIA_TYPE_SUBTITLE: return 'S';
661 ✗ case AVMEDIA_TYPE_ATTACHMENT:return 'T';
662 ✗ default: return '?';
663 }
664 }
665
666 ✗ int show_codecs(void *optctx, const char *opt, const char *arg)
667 {
668 const AVCodecDescriptor **codecs;
669 unsigned i;
670 ✗ int nb_codecs = get_codecs_sorted(&codecs);
671
672 ✗ if (nb_codecs < 0)
673 ✗ return nb_codecs;
674
675 ✗ printf("Codecs:\n"
676 " D..... = Decoding supported\n"
677 " .E.... = Encoding supported\n"
678 " ..V... = Video codec\n"
679 " ..A... = Audio codec\n"
680 " ..S... = Subtitle codec\n"
681 " ..D... = Data codec\n"
682 " ..T... = Attachment codec\n"
683 " ...I.. = Intra frame-only codec\n"
684 " ....L. = Lossy compression\n"
685 " .....S = Lossless compression\n"
686 " -------\n");
687 ✗ for (i = 0; i < nb_codecs; i++) {
688 ✗ const AVCodecDescriptor *desc = codecs[i];
689 const AVCodec *codec;
690 ✗ void *iter = NULL;
691
692 ✗ if (strstr(desc->name, "_deprecated"))
693 ✗ continue;
694
695 ✗ printf(" %c%c%c%c%c%c",
696 ✗ avcodec_find_decoder(desc->id) ? 'D' : '.',
697 ✗ avcodec_find_encoder(desc->id) ? 'E' : '.',
698 ✗ get_media_type_char(desc->type),
699 ✗ (desc->props & AV_CODEC_PROP_INTRA_ONLY) ? 'I' : '.',
700 ✗ (desc->props & AV_CODEC_PROP_LOSSY) ? 'L' : '.',
701 ✗ (desc->props & AV_CODEC_PROP_LOSSLESS) ? 'S' : '.');
702
703 ✗ printf(" %-20s %s", desc->name, desc->long_name ? desc->long_name : "");
704
705 /* print decoders/encoders when there's more than one or their
706 * names are different from codec name */
707 ✗ while ((codec = next_codec_for_id(desc->id, &iter, 0))) {
708 ✗ if (strcmp(codec->name, desc->name)) {
709 ✗ print_codecs_for_id(desc->id, 0);
710 ✗ break;
711 }
712 }
713 ✗ iter = NULL;
714 ✗ while ((codec = next_codec_for_id(desc->id, &iter, 1))) {
715 ✗ if (strcmp(codec->name, desc->name)) {
716 ✗ print_codecs_for_id(desc->id, 1);
717 ✗ break;
718 }
719 }
720
721 ✗ printf("\n");
722 }
723 ✗ av_free(codecs);
724 ✗ return 0;
725 }
726
727 ✗ static void print_codecs(int encoder)
728 {
729 const AVCodecDescriptor **codecs;
730 ✗ unsigned i, nb_codecs = get_codecs_sorted(&codecs);
731
732 ✗ printf("%s:\n"
733 " V..... = Video\n"
734 " A..... = Audio\n"
735 " S..... = Subtitle\n"
736 " .F.... = Frame-level multithreading\n"
737 " ..S... = Slice-level multithreading\n"
738 " ...X.. = Codec is experimental\n"
739 " ....B. = Supports draw_horiz_band\n"
740 " .....D = Supports direct rendering method 1\n"
741 " ------\n",
742 encoder ? "Encoders" : "Decoders");
743 ✗ for (i = 0; i < nb_codecs; i++) {
744 ✗ const AVCodecDescriptor *desc = codecs[i];
745 const AVCodec *codec;
746 ✗ void *iter = NULL;
747
748 ✗ while ((codec = next_codec_for_id(desc->id, &iter, encoder))) {
749 ✗ printf(" %c%c%c%c%c%c",
750 ✗ get_media_type_char(desc->type),
751 ✗ (codec->capabilities & AV_CODEC_CAP_FRAME_THREADS) ? 'F' : '.',
752 ✗ (codec->capabilities & AV_CODEC_CAP_SLICE_THREADS) ? 'S' : '.',
753 ✗ (codec->capabilities & AV_CODEC_CAP_EXPERIMENTAL) ? 'X' : '.',
754 ✗ (codec->capabilities & AV_CODEC_CAP_DRAW_HORIZ_BAND) ? 'B' : '.',
755 ✗ (codec->capabilities & AV_CODEC_CAP_DR1) ? 'D' : '.');
756
757 ✗ printf(" %-20s %s", codec->name, codec->long_name ? codec->long_name : "");
758 ✗ if (strcmp(codec->name, desc->name))
759 ✗ printf(" (codec %s)", desc->name);
760
761 ✗ printf("\n");
762 }
763 }
764 ✗ av_free(codecs);
765 ✗ }
766
767 ✗ int show_decoders(void *optctx, const char *opt, const char *arg)
768 {
769 ✗ print_codecs(0);
770 ✗ return 0;
771 }
772
773 ✗ int show_encoders(void *optctx, const char *opt, const char *arg)
774 {
775 ✗ print_codecs(1);
776 ✗ return 0;
777 }
778
779 ✗ int show_bsfs(void *optctx, const char *opt, const char *arg)
780 {
781 ✗ const AVBitStreamFilter *bsf = NULL;
782 ✗ void *opaque = NULL;
783
784 ✗ printf("Bitstream filters:\n");
785 ✗ while ((bsf = av_bsf_iterate(&opaque)))
786 ✗ printf("%s\n", bsf->name);
787 ✗ printf("\n");
788 ✗ return 0;
789 }
790
791 ✗ int show_filters(void *optctx, const char *opt, const char *arg)
792 {
793 #if CONFIG_AVFILTER
794 ✗ const AVFilter *filter = NULL;
795 char descr[64], *descr_cur;
796 ✗ void *opaque = NULL;
797 int i, j;
798 const AVFilterPad *pad;
799
800 ✗ printf("Filters:\n"
801 " T.. = Timeline support\n"
802 " .S. = Slice threading\n"
803 " ..C = Command support\n"
804 " A = Audio input/output\n"
805 " V = Video input/output\n"
806 " N = Dynamic number and/or type of input/output\n"
807 " | = Source or sink filter\n");
808 ✗ while ((filter = av_filter_iterate(&opaque))) {
809 ✗ descr_cur = descr;
810 ✗ for (i = 0; i < 2; i++) {
811 unsigned nb_pads;
812 ✗ if (i) {
813 ✗ *(descr_cur++) = '-';
814 ✗ *(descr_cur++) = '>';
815 }
816 ✗ pad = i ? filter->outputs : filter->inputs;
817 ✗ nb_pads = avfilter_filter_pad_count(filter, i);
818 ✗ for (j = 0; j < nb_pads; j++) {
819 ✗ if (descr_cur >= descr + sizeof(descr) - 4)
820 ✗ break;
821 ✗ *(descr_cur++) = get_media_type_char(avfilter_pad_get_type(pad, j));
822 }
823 ✗ if (!j)
824 ✗ *(descr_cur++) = ((!i && (filter->flags & AVFILTER_FLAG_DYNAMIC_INPUTS)) ||
825 ✗ ( i && (filter->flags & AVFILTER_FLAG_DYNAMIC_OUTPUTS))) ? 'N' : '|';
826 }
827 ✗ *descr_cur = 0;
828 ✗ printf(" %c%c%c %-17s %-10s %s\n",
829 ✗ filter->flags & AVFILTER_FLAG_SUPPORT_TIMELINE ? 'T' : '.',
830 ✗ filter->flags & AVFILTER_FLAG_SLICE_THREADS ? 'S' : '.',
831 ✗ filter->process_command ? 'C' : '.',
832 ✗ filter->name, descr, filter->description);
833 }
834 #else
835 printf("No filters available: libavfilter disabled\n");
836 #endif
837 ✗ return 0;
838 }
839
840 ✗ static int is_device(const AVClass *avclass)
841 {
842 ✗ if (!avclass)
843 ✗ return 0;
844 ✗ return AV_IS_INPUT_DEVICE(avclass->category) || AV_IS_OUTPUT_DEVICE(avclass->category);
845 }
846
847 ✗ static int show_formats_devices(void *optctx, const char *opt, const char *arg, int device_only, int muxdemuxers)
848 {
849 ✗ void *ifmt_opaque = NULL;
850 ✗ const AVInputFormat *ifmt = NULL;
851 ✗ void *ofmt_opaque = NULL;
852 ✗ const AVOutputFormat *ofmt = NULL;
853 const char *last_name;
854 int is_dev;
855
856 ✗ printf("%s\n"
857 " D. = Demuxing supported\n"
858 " .E = Muxing supported\n"
859 " --\n", device_only ? "Devices:" : "File formats:");
860 ✗ last_name = "000";
861 ✗ for (;;) {
862 ✗ int decode = 0;
863 ✗ int encode = 0;
864 ✗ const char *name = NULL;
865 ✗ const char *long_name = NULL;
866
867 ✗ if (muxdemuxers !=SHOW_DEMUXERS) {
868 ✗ ofmt_opaque = NULL;
869 ✗ while ((ofmt = av_muxer_iterate(&ofmt_opaque))) {
870 ✗ is_dev = is_device(ofmt->priv_class);
871 ✗ if (!is_dev && device_only)
872 ✗ continue;
873 ✗ if ((!name || strcmp(ofmt->name, name) < 0) &&
874 ✗ strcmp(ofmt->name, last_name) > 0) {
875 ✗ name = ofmt->name;
876 ✗ long_name = ofmt->long_name;
877 ✗ encode = 1;
878 }
879 }
880 }
881 ✗ if (muxdemuxers != SHOW_MUXERS) {
882 ✗ ifmt_opaque = NULL;
883 ✗ while ((ifmt = av_demuxer_iterate(&ifmt_opaque))) {
884 ✗ is_dev = is_device(ifmt->priv_class);
885 ✗ if (!is_dev && device_only)
886 ✗ continue;
887 ✗ if ((!name || strcmp(ifmt->name, name) < 0) &&
888 ✗ strcmp(ifmt->name, last_name) > 0) {
889 ✗ name = ifmt->name;
890 ✗ long_name = ifmt->long_name;
891 ✗ encode = 0;
892 }
893 ✗ if (name && strcmp(ifmt->name, name) == 0)
894 ✗ decode = 1;
895 }
896 }
897 ✗ if (!name)
898 ✗ break;
899 ✗ last_name = name;
900
901 ✗ printf(" %c%c %-15s %s\n",
902 decode ? 'D' : ' ',
903 encode ? 'E' : ' ',
904 name,
905 long_name ? long_name:" ");
906 }
907 ✗ return 0;
908 }
909
910 ✗ int show_formats(void *optctx, const char *opt, const char *arg)
911 {
912 ✗ return show_formats_devices(optctx, opt, arg, 0, SHOW_DEFAULT);
913 }
914
915 ✗ int show_muxers(void *optctx, const char *opt, const char *arg)
916 {
917 ✗ return show_formats_devices(optctx, opt, arg, 0, SHOW_MUXERS);
918 }
919
920 ✗ int show_demuxers(void *optctx, const char *opt, const char *arg)
921 {
922 ✗ return show_formats_devices(optctx, opt, arg, 0, SHOW_DEMUXERS);
923 }
924
925 ✗ int show_devices(void *optctx, const char *opt, const char *arg)
926 {
927 ✗ return show_formats_devices(optctx, opt, arg, 1, SHOW_DEFAULT);
928 }
929
930 ✗ int show_protocols(void *optctx, const char *opt, const char *arg)
931 {
932 ✗ void *opaque = NULL;
933 const char *name;
934
935 ✗ printf("Supported file protocols:\n"
936 "Input:\n");
937 ✗ while ((name = avio_enum_protocols(&opaque, 0)))
938 ✗ printf(" %s\n", name);
939 ✗ printf("Output:\n");
940 ✗ while ((name = avio_enum_protocols(&opaque, 1)))
941 ✗ printf(" %s\n", name);
942 ✗ return 0;
943 }
944
945 ✗ int show_colors(void *optctx, const char *opt, const char *arg)
946 {
947 const char *name;
948 const uint8_t *rgb;
949 int i;
950
951 ✗ printf("%-32s #RRGGBB\n", "name");
952
953 ✗ for (i = 0; name = av_get_known_color_name(i, &rgb); i++)
954 ✗ printf("%-32s #%02x%02x%02x\n", name, rgb[0], rgb[1], rgb[2]);
955
956 ✗ return 0;
957 }
958
959 1 int show_pix_fmts(void *optctx, const char *opt, const char *arg)
960 {
961 1 const AVPixFmtDescriptor *pix_desc = NULL;
962
963 1 printf("Pixel formats:\n"
964 "I.... = Supported Input format for conversion\n"
965 ".O... = Supported Output format for conversion\n"
966 "..H.. = Hardware accelerated format\n"
967 "...P. = Paletted format\n"
968 "....B = Bitstream format\n"
969 "FLAGS NAME NB_COMPONENTS BITS_PER_PIXEL BIT_DEPTHS\n"
970 "-----\n");
971
972 #if !CONFIG_SWSCALE
973 # define sws_isSupportedInput(x) 0
974 # define sws_isSupportedOutput(x) 0
975 #endif
976
977
2/2
✓ Branch 1 taken 228 times.
✓ Branch 2 taken 1 times.
 229 while ((pix_desc = av_pix_fmt_desc_next(pix_desc))) {
978 228 enum AVPixelFormat av_unused pix_fmt = av_pix_fmt_desc_get_id(pix_desc);
979
4/4
✓ Branch 0 taken 185 times.
✓ Branch 1 taken 43 times.
✓ Branch 2 taken 198 times.
✓ Branch 3 taken 30 times.
 1140 printf("%c%c%c%c%c %-16s %d %3d %d",
980 228 sws_isSupportedInput (pix_fmt) ? 'I' : '.',
981 228 sws_isSupportedOutput(pix_fmt) ? 'O' : '.',
982
2/2
✓ Branch 0 taken 14 times.
✓ Branch 1 taken 214 times.
 228 pix_desc->flags & AV_PIX_FMT_FLAG_HWACCEL ? 'H' : '.',
983
2/2
✓ Branch 0 taken 1 times.
✓ Branch 1 taken 227 times.
 228 pix_desc->flags & AV_PIX_FMT_FLAG_PAL ? 'P' : '.',
984 228 pix_desc->flags & AV_PIX_FMT_FLAG_BITSTREAM ? 'B' : '.',
985 228 pix_desc->name,
986
2/2
✓ Branch 0 taken 5 times.
✓ Branch 1 taken 223 times.
 228 pix_desc->nb_components,
987 av_get_bits_per_pixel(pix_desc),
988 228 pix_desc->comp[0].depth);
989
990
2/2
✓ Branch 0 taken 444 times.
✓ Branch 1 taken 228 times.
 672 for (unsigned i = 1; i < pix_desc->nb_components; i++)
991 444 printf("-%d", pix_desc->comp[i].depth);
992 228 printf("\n");
993 }
994 1 return 0;
995 }
996
997 ✗ int show_layouts(void *optctx, const char *opt, const char *arg)
998 {
999 const AVChannelLayout *ch_layout;
1000 ✗ void *iter = NULL;
1001 char buf[128], buf2[128];
1002 ✗ int i = 0;
1003
1004 ✗ printf("Individual channels:\n"
1005 "NAME DESCRIPTION\n");
1006 ✗ for (i = 0; i < 63; i++) {
1007 ✗ av_channel_name(buf, sizeof(buf), i);
1008 ✗ if (strstr(buf, "USR"))
1009 ✗ continue;
1010 ✗ av_channel_description(buf2, sizeof(buf2), i);
1011 ✗ printf("%-14s %s\n", buf, buf2);
1012 }
1013 ✗ printf("\nStandard channel layouts:\n"
1014 "NAME DECOMPOSITION\n");
1015 ✗ while (ch_layout = av_channel_layout_standard(&iter)) {
1016 ✗ av_channel_layout_describe(ch_layout, buf, sizeof(buf));
1017 ✗ printf("%-14s ", buf);
1018 ✗ for (i = 0; i < 63; i++) {
1019 ✗ int idx = av_channel_layout_index_from_channel(ch_layout, i);
1020 ✗ if (idx >= 0) {
1021 ✗ av_channel_name(buf2, sizeof(buf2), i);
1022 ✗ printf("%s%s", idx ? "+" : "", buf2);
1023 }
1024 }
1025 ✗ printf("\n");
1026 }
1027 ✗ return 0;
1028 }
1029
1030 ✗ int show_sample_fmts(void *optctx, const char *opt, const char *arg)
1031 {
1032 int i;
1033 char fmt_str[128];
1034 ✗ for (i = -1; i < AV_SAMPLE_FMT_NB; i++)
1035 ✗ printf("%s\n", av_get_sample_fmt_string(fmt_str, sizeof(fmt_str), i));
1036 ✗ return 0;
1037 }
1038
1039 ✗ int show_dispositions(void *optctx, const char *opt, const char *arg)
1040 {
1041 ✗ for (int i = 0; i < 32; i++) {
1042 ✗ const char *str = av_disposition_to_string(1U << i);
1043 ✗ if (str)
1044 ✗ printf("%s\n", str);
1045 }
1046 ✗ return 0;
1047 }
1048
1049 6659 int opt_cpuflags(void *optctx, const char *opt, const char *arg)
1050 {
1051 int ret;
1052 6659 unsigned flags = av_get_cpu_flags();
1053
1054
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 6659 times.
 6659 if ((ret = av_parse_cpu_caps(&flags, arg)) < 0)
1055 ✗ return ret;
1056
1057 6659 av_force_cpu_flags(flags);
1058 6659 return 0;
1059 }
1060
1061 ✗ int opt_cpucount(void *optctx, const char *opt, const char *arg)
1062 {
1063 int ret;
1064 int count;
1065
1066 static const AVOption opts[] = {
1067 {"count", NULL, 0, AV_OPT_TYPE_INT, { .i64 = -1}, -1, INT_MAX},
1068 {NULL},
1069 };
1070 static const AVClass class = {
1071 .class_name = "cpucount",
1072 .item_name = av_default_item_name,
1073 .option = opts,
1074 .version = LIBAVUTIL_VERSION_INT,
1075 };
1076 ✗ const AVClass *pclass = &class;
1077
1078 ✗ ret = av_opt_eval_int(&pclass, opts, arg, &count);
1079
1080 ✗ if (!ret) {
1081 ✗ av_cpu_force_count(count);
1082 }
1083
1084 ✗ return ret;
1085 }
1086
1087 ✗ static void expand_filename_template(AVBPrint *bp, const char *template,
1088 struct tm *tm)
1089 {
1090 int c;
1091
1092 ✗ while ((c = *(template++))) {
1093 ✗ if (c == '%') {
1094 ✗ if (!(c = *(template++)))
1095 ✗ break;
1096 ✗ switch (c) {
1097 ✗ case 'p':
1098 ✗ av_bprintf(bp, "%s", program_name);
1099 ✗ break;
1100 ✗ case 't':
1101 ✗ av_bprintf(bp, "%04d%02d%02d-%02d%02d%02d",
1102 ✗ tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday,
1103 tm->tm_hour, tm->tm_min, tm->tm_sec);
1104 ✗ break;
1105 ✗ case '%':
1106 ✗ av_bprint_chars(bp, c, 1);
1107 ✗ break;
1108 }
1109 } else {
1110 ✗ av_bprint_chars(bp, c, 1);
1111 }
1112 }
1113 ✗ }
1114
1115 ✗ static void log_callback_report(void *ptr, int level, const char *fmt, va_list vl)
1116 {
1117 va_list vl2;
1118 char line[1024];
1119 static int print_prefix = 1;
1120
1121 ✗ va_copy(vl2, vl);
1122 ✗ av_log_default_callback(ptr, level, fmt, vl);
1123 ✗ av_log_format_line(ptr, level, fmt, vl2, line, sizeof(line), &print_prefix);
1124 ✗ va_end(vl2);
1125 ✗ if (report_file_level >= level) {
1126 ✗ fputs(line, report_file);
1127 ✗ fflush(report_file);
1128 }
1129 ✗ }
1130
1131 ✗ int init_report(const char *env, FILE **file)
1132 {
1133 ✗ char *filename_template = NULL;
1134 char *key, *val;
1135 ✗ int ret, count = 0;
1136 ✗ int prog_loglevel, envlevel = 0;
1137 time_t now;
1138 struct tm *tm;
1139 AVBPrint filename;
1140
1141 ✗ if (report_file) /* already opened */
1142 ✗ return 0;
1143 ✗ time(&now);
1144 ✗ tm = localtime(&now);
1145
1146 ✗ while (env && *env) {
1147 ✗ if ((ret = av_opt_get_key_value(&env, "=", ":", 0, &key, &val)) < 0) {
1148 ✗ if (count)
1149 ✗ av_log(NULL, AV_LOG_ERROR,
1150 "Failed to parse FFREPORT environment variable: %s\n",
1151 ✗ av_err2str(ret));
1152 ✗ break;
1153 }
1154 ✗ if (*env)
1155 ✗ env++;
1156 ✗ count++;
1157 ✗ if (!strcmp(key, "file")) {
1158 ✗ av_free(filename_template);
1159 ✗ filename_template = val;
1160 ✗ val = NULL;
1161 ✗ } else if (!strcmp(key, "level")) {
1162 char *tail;
1163 ✗ report_file_level = strtol(val, &tail, 10);
1164 ✗ if (*tail) {
1165 ✗ av_log(NULL, AV_LOG_FATAL, "Invalid report file level\n");
1166 ✗ av_free(key);
1167 ✗ av_free(val);
1168 ✗ av_free(filename_template);
1169 ✗ return AVERROR(EINVAL);
1170 }
1171 ✗ envlevel = 1;
1172 } else {
1173 ✗ av_log(NULL, AV_LOG_ERROR, "Unknown key '%s' in FFREPORT\n", key);
1174 }
1175 ✗ av_free(val);
1176 ✗ av_free(key);
1177 }
1178
1179 ✗ av_bprint_init(&filename, 0, AV_BPRINT_SIZE_AUTOMATIC);
1180 ✗ expand_filename_template(&filename,
1181 ✗ av_x_if_null(filename_template, "%p-%t.log"), tm);
1182 ✗ av_free(filename_template);
1183 ✗ if (!av_bprint_is_complete(&filename)) {
1184 ✗ av_log(NULL, AV_LOG_ERROR, "Out of memory building report file name\n");
1185 ✗ return AVERROR(ENOMEM);
1186 }
1187
1188 ✗ prog_loglevel = av_log_get_level();
1189 ✗ if (!envlevel)
1190 ✗ report_file_level = FFMAX(report_file_level, prog_loglevel);
1191
1192 ✗ report_file = fopen(filename.str, "w");
1193 ✗ if (!report_file) {
1194 ✗ int ret = AVERROR(errno);
1195 ✗ av_log(NULL, AV_LOG_ERROR, "Failed to open report \"%s\": %s\n",
1196 ✗ filename.str, strerror(errno));
1197 ✗ return ret;
1198 }
1199 ✗ av_log_set_callback(log_callback_report);
1200 ✗ av_log(NULL, AV_LOG_INFO,
1201 "%s started on %04d-%02d-%02d at %02d:%02d:%02d\n"
1202 "Report written to \"%s\"\n"
1203 "Log level: %d\n",
1204 program_name,
1205 ✗ tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday,
1206 tm->tm_hour, tm->tm_min, tm->tm_sec,
1207 filename.str, report_file_level);
1208 ✗ av_bprint_finalize(&filename, NULL);
1209
1210 ✗ if (file)
1211 ✗ *file = report_file;
1212
1213 ✗ return 0;
1214 }
1215
1216 ✗ int opt_report(void *optctx, const char *opt, const char *arg)
1217 {
1218 ✗ return init_report(NULL, NULL);
1219 }
1220
1221 ✗ int opt_max_alloc(void *optctx, const char *opt, const char *arg)
1222 {
1223 char *tail;
1224 size_t max;
1225
1226 ✗ max = strtol(arg, &tail, 10);
1227 ✗ if (*tail) {
1228 ✗ av_log(NULL, AV_LOG_FATAL, "Invalid max_alloc \"%s\".\n", arg);
1229 ✗ return AVERROR(EINVAL);
1230 }
1231 ✗ av_max_alloc(max);
1232 ✗ return 0;
1233 }
1234
1235 30 int opt_loglevel(void *optctx, const char *opt, const char *arg)
1236 {
1237 30 const struct { const char *name; int level; } log_levels[] = {
1238 { "quiet" , AV_LOG_QUIET },
1239 { "panic" , AV_LOG_PANIC },
1240 { "fatal" , AV_LOG_FATAL },
1241 { "error" , AV_LOG_ERROR },
1242 { "warning", AV_LOG_WARNING },
1243 { "info" , AV_LOG_INFO },
1244 { "verbose", AV_LOG_VERBOSE },
1245 { "debug" , AV_LOG_DEBUG },
1246 { "trace" , AV_LOG_TRACE },
1247 };
1248 const char *token;
1249 char *tail;
1250 30 int flags = av_log_get_flags();
1251 30 int level = av_log_get_level();
1252 30 int cmd, i = 0;
1253
1254
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 30 times.
 30 av_assert0(arg);
1255
1/2
✓ Branch 0 taken 30 times.
✗ Branch 1 not taken.
 30 while (*arg) {
1256 30 token = arg;
1257
2/4
✓ Branch 0 taken 30 times.
✗ Branch 1 not taken.
✗ Branch 2 not taken.
✓ Branch 3 taken 30 times.
 30 if (*token == '+' || *token == '-') {
1258 ✗ cmd = *token++;
1259 } else {
1260 30 cmd = 0;
1261 }
1262
2/4
✓ Branch 0 taken 30 times.
✗ Branch 1 not taken.
✓ Branch 2 taken 30 times.
✗ Branch 3 not taken.
 30 if (!i && !cmd) {
1263 30 flags = 0; /* missing relative prefix, build absolute value */
1264 }
1265
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 30 times.
 30 if (av_strstart(token, "repeat", &arg)) {
1266 ✗ if (cmd == '-') {
1267 ✗ flags |= AV_LOG_SKIP_REPEATED;
1268 } else {
1269 ✗ flags &= ~AV_LOG_SKIP_REPEATED;
1270 }
1271
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 30 times.
 30 } else if (av_strstart(token, "level", &arg)) {
1272 ✗ if (cmd == '-') {
1273 ✗ flags &= ~AV_LOG_PRINT_LEVEL;
1274 } else {
1275 ✗ flags |= AV_LOG_PRINT_LEVEL;
1276 }
1277 } else {
1278 30 break;
1279 }
1280 ✗ i++;
1281 }
1282
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 30 times.
 30 if (!*arg) {
1283 ✗ goto end;
1284
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 30 times.
 30 } else if (*arg == '+') {
1285 ✗ arg++;
1286
1/2
✓ Branch 0 taken 30 times.
✗ Branch 1 not taken.
 30 } else if (!i) {
1287 30 flags = av_log_get_flags(); /* level value without prefix, reset flags */
1288 }
1289
1290
2/2
✓ Branch 0 taken 262 times.
✓ Branch 1 taken 26 times.
 288 for (i = 0; i < FF_ARRAY_ELEMS(log_levels); i++) {
1291
2/2
✓ Branch 0 taken 4 times.
✓ Branch 1 taken 258 times.
 262 if (!strcmp(log_levels[i].name, arg)) {
1292 4 level = log_levels[i].level;
1293 4 goto end;
1294 }
1295 }
1296
1297 26 level = strtol(arg, &tail, 10);
1298
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 26 times.
 26 if (*tail) {
1299 ✗ av_log(NULL, AV_LOG_FATAL, "Invalid loglevel \"%s\". "
1300 "Possible levels are numbers or:\n", arg);
1301 ✗ for (i = 0; i < FF_ARRAY_ELEMS(log_levels); i++)
1302 ✗ av_log(NULL, AV_LOG_FATAL, "\"%s\"\n", log_levels[i].name);
1303 ✗ return AVERROR(EINVAL);
1304 }
1305
1306 26 end:
1307 30 av_log_set_flags(flags);
1308 30 av_log_set_level(level);
1309 30 return 0;
1310 }
1311
1312 #if CONFIG_AVDEVICE
1313 ✗ static void print_device_list(const AVDeviceInfoList *device_list)
1314 {
1315 // print devices
1316 ✗ for (int i = 0; i < device_list->nb_devices; i++) {
1317 ✗ const AVDeviceInfo *device = device_list->devices[i];
1318 ✗ printf("%c %s [%s] (", device_list->default_device == i ? '*' : ' ',
1319 ✗ device->device_name, device->device_description);
1320 ✗ if (device->nb_media_types > 0) {
1321 ✗ for (int j = 0; j < device->nb_media_types; ++j) {
1322 ✗ const char* media_type = av_get_media_type_string(device->media_types[j]);
1323 ✗ if (j > 0)
1324 ✗ printf(", ");
1325 ✗ printf("%s", media_type ? media_type : "unknown");
1326 }
1327 } else {
1328 ✗ printf("none");
1329 }
1330 ✗ printf(")\n");
1331 }
1332 ✗ }
1333
1334 ✗ static int print_device_sources(const AVInputFormat *fmt, AVDictionary *opts)
1335 {
1336 int ret;
1337 ✗ AVDeviceInfoList *device_list = NULL;
1338
1339 ✗ if (!fmt || !fmt->priv_class || !AV_IS_INPUT_DEVICE(fmt->priv_class->category))
1340 ✗ return AVERROR(EINVAL);
1341
1342 ✗ printf("Auto-detected sources for %s:\n", fmt->name);
1343 ✗ if ((ret = avdevice_list_input_sources(fmt, NULL, opts, &device_list)) < 0) {
1344 ✗ printf("Cannot list sources: %s\n", av_err2str(ret));
1345 ✗ goto fail;
1346 }
1347
1348 ✗ print_device_list(device_list);
1349
1350 ✗ fail:
1351 ✗ avdevice_free_list_devices(&device_list);
1352 ✗ return ret;
1353 }
1354
1355 ✗ static int print_device_sinks(const AVOutputFormat *fmt, AVDictionary *opts)
1356 {
1357 int ret;
1358 ✗ AVDeviceInfoList *device_list = NULL;
1359
1360 ✗ if (!fmt || !fmt->priv_class || !AV_IS_OUTPUT_DEVICE(fmt->priv_class->category))
1361 ✗ return AVERROR(EINVAL);
1362
1363 ✗ printf("Auto-detected sinks for %s:\n", fmt->name);
1364 ✗ if ((ret = avdevice_list_output_sinks(fmt, NULL, opts, &device_list)) < 0) {
1365 ✗ printf("Cannot list sinks: %s\n", av_err2str(ret));
1366 ✗ goto fail;
1367 }
1368
1369 ✗ print_device_list(device_list);
1370
1371 ✗ fail:
1372 ✗ avdevice_free_list_devices(&device_list);
1373 ✗ return ret;
1374 }
1375
1376 ✗ static int show_sinks_sources_parse_arg(const char *arg, char **dev, AVDictionary **opts)
1377 {
1378 int ret;
1379 ✗ if (arg) {
1380 ✗ char *opts_str = NULL;
1381 ✗ av_assert0(dev && opts);
1382 ✗ *dev = av_strdup(arg);
1383 ✗ if (!*dev)
1384 ✗ return AVERROR(ENOMEM);
1385 ✗ if ((opts_str = strchr(*dev, ','))) {
1386 ✗ *(opts_str++) = '\0';
1387 ✗ if (opts_str[0] && ((ret = av_dict_parse_string(opts, opts_str, "=", ":", 0)) < 0)) {
1388 ✗ av_freep(dev);
1389 ✗ return ret;
1390 }
1391 }
1392 } else
1393 ✗ printf("\nDevice name is not provided.\n"
1394 "You can pass devicename[,opt1=val1[,opt2=val2...]] as an argument.\n\n");
1395 ✗ return 0;
1396 }
1397
1398 ✗ int show_sources(void *optctx, const char *opt, const char *arg)
1399 {
1400 ✗ const AVInputFormat *fmt = NULL;
1401 ✗ char *dev = NULL;
1402 ✗ AVDictionary *opts = NULL;
1403 ✗ int ret = 0;
1404 ✗ int error_level = av_log_get_level();
1405
1406 ✗ av_log_set_level(AV_LOG_WARNING);
1407
1408 ✗ if ((ret = show_sinks_sources_parse_arg(arg, &dev, &opts)) < 0)
1409 ✗ goto fail;
1410
1411 do {
1412 ✗ fmt = av_input_audio_device_next(fmt);
1413 ✗ if (fmt) {
1414 ✗ if (!strcmp(fmt->name, "lavfi"))
1415 ✗ continue; //it's pointless to probe lavfi
1416 ✗ if (dev && !av_match_name(dev, fmt->name))
1417 ✗ continue;
1418 ✗ print_device_sources(fmt, opts);
1419 }
1420 ✗ } while (fmt);
1421 do {
1422 ✗ fmt = av_input_video_device_next(fmt);
1423 ✗ if (fmt) {
1424 ✗ if (dev && !av_match_name(dev, fmt->name))
1425 ✗ continue;
1426 ✗ print_device_sources(fmt, opts);
1427 }
1428 ✗ } while (fmt);
1429 ✗ fail:
1430 ✗ av_dict_free(&opts);
1431 ✗ av_free(dev);
1432 ✗ av_log_set_level(error_level);
1433 ✗ return ret;
1434 }
1435
1436 ✗ int show_sinks(void *optctx, const char *opt, const char *arg)
1437 {
1438 ✗ const AVOutputFormat *fmt = NULL;
1439 ✗ char *dev = NULL;
1440 ✗ AVDictionary *opts = NULL;
1441 ✗ int ret = 0;
1442 ✗ int error_level = av_log_get_level();
1443
1444 ✗ av_log_set_level(AV_LOG_WARNING);
1445
1446 ✗ if ((ret = show_sinks_sources_parse_arg(arg, &dev, &opts)) < 0)
1447 ✗ goto fail;
1448
1449 do {
1450 ✗ fmt = av_output_audio_device_next(fmt);
1451 ✗ if (fmt) {
1452 ✗ if (dev && !av_match_name(dev, fmt->name))
1453 ✗ continue;
1454 ✗ print_device_sinks(fmt, opts);
1455 }
1456 ✗ } while (fmt);
1457 do {
1458 ✗ fmt = av_output_video_device_next(fmt);
1459 ✗ if (fmt) {
1460 ✗ if (dev && !av_match_name(dev, fmt->name))
1461 ✗ continue;
1462 ✗ print_device_sinks(fmt, opts);
1463 }
1464 ✗ } while (fmt);
1465 ✗ fail:
1466 ✗ av_dict_free(&opts);
1467 ✗ av_free(dev);
1468 ✗ av_log_set_level(error_level);
1469 ✗ return ret;
1470 }
1471 #endif /* CONFIG_AVDEVICE */
1472