diff options
author | Anton Khirnov <anton@khirnov.net> | 2022-03-09 14:11:09 +0300 |
---|---|---|
committer | Anton Khirnov <anton@khirnov.net> | 2022-03-22 20:49:43 +0300 |
commit | a545cb2b9dc689ae19e75be27a3550d97cb9cf72 (patch) | |
tree | 4074549ecb789ec648c77decc348f682186b5405 /fftools/opt_common.c | |
parent | c99b93c5d53d8f4a4f1fafc90f3dfc51467ee02e (diff) |
fftools/cmdutils: split common option handlers into their own file
Diffstat (limited to 'fftools/opt_common.c')
-rw-r--r-- | fftools/opt_common.c | 1457 |
1 files changed, 1457 insertions, 0 deletions
diff --git a/fftools/opt_common.c b/fftools/opt_common.c new file mode 100644 index 0000000000..5ba6a0d0f1 --- /dev/null +++ b/fftools/opt_common.c @@ -0,0 +1,1457 @@ +/* + * Option handlers shared between the tools. + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include "config.h" + +#include <stdio.h> + +#include "cmdutils.h" +#include "opt_common.h" + +#include "libavutil/avassert.h" +#include "libavutil/avstring.h" +#include "libavutil/bprint.h" +#include "libavutil/channel_layout.h" +#include "libavutil/cpu.h" +#include "libavutil/dict.h" +#include "libavutil/error.h" +#include "libavutil/ffversion.h" +#include "libavutil/log.h" +#include "libavutil/mem.h" +#include "libavutil/parseutils.h" +#include "libavutil/pixdesc.h" +#include "libavutil/version.h" + +#include "libavcodec/avcodec.h" +#include "libavcodec/bsf.h" +#include "libavcodec/codec.h" +#include "libavcodec/codec_desc.h" +#include "libavcodec/version.h" + +#include "libavformat/avformat.h" +#include "libavformat/version.h" + +#include "libavdevice/avdevice.h" +#include "libavdevice/version.h" + +#include "libswscale/swscale.h" +#include "libswscale/version.h" + +#include "libswresample/swresample.h" +#include "libswresample/version.h" + +#include "libpostproc/postprocess.h" +#include "libpostproc/version.h" + +enum show_muxdemuxers { + SHOW_DEFAULT, + SHOW_DEMUXERS, + SHOW_MUXERS, +}; + +static FILE *report_file; +static int report_file_level = AV_LOG_DEBUG; + +int show_license(void *optctx, const char *opt, const char *arg) +{ +#if CONFIG_NONFREE + printf( + "This version of %s has nonfree parts compiled in.\n" + "Therefore it is not legally redistributable.\n", + program_name ); +#elif CONFIG_GPLV3 + printf( + "%s is free software; you can redistribute it and/or modify\n" + "it under the terms of the GNU General Public License as published by\n" + "the Free Software Foundation; either version 3 of the License, or\n" + "(at your option) any later version.\n" + "\n" + "%s is distributed in the hope that it will be useful,\n" + "but WITHOUT ANY WARRANTY; without even the implied warranty of\n" + "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n" + "GNU General Public License for more details.\n" + "\n" + "You should have received a copy of the GNU General Public License\n" + "along with %s. If not, see <http://www.gnu.org/licenses/>.\n", + program_name, program_name, program_name ); +#elif CONFIG_GPL + printf( + "%s is free software; you can redistribute it and/or modify\n" + "it under the terms of the GNU General Public License as published by\n" + "the Free Software Foundation; either version 2 of the License, or\n" + "(at your option) any later version.\n" + "\n" + "%s is distributed in the hope that it will be useful,\n" + "but WITHOUT ANY WARRANTY; without even the implied warranty of\n" + "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n" + "GNU General Public License for more details.\n" + "\n" + "You should have received a copy of the GNU General Public License\n" + "along with %s; if not, write to the Free Software\n" + "Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA\n", + program_name, program_name, program_name ); +#elif CONFIG_LGPLV3 + printf( + "%s is free software; you can redistribute it and/or modify\n" + "it under the terms of the GNU Lesser General Public License as published by\n" + "the Free Software Foundation; either version 3 of the License, or\n" + "(at your option) any later version.\n" + "\n" + "%s is distributed in the hope that it will be useful,\n" + "but WITHOUT ANY WARRANTY; without even the implied warranty of\n" + "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n" + "GNU Lesser General Public License for more details.\n" + "\n" + "You should have received a copy of the GNU Lesser General Public License\n" + "along with %s. If not, see <http://www.gnu.org/licenses/>.\n", + program_name, program_name, program_name ); +#else + printf( + "%s is free software; you can redistribute it and/or\n" + "modify it under the terms of the GNU Lesser General Public\n" + "License as published by the Free Software Foundation; either\n" + "version 2.1 of the License, or (at your option) any later version.\n" + "\n" + "%s is distributed in the hope that it will be useful,\n" + "but WITHOUT ANY WARRANTY; without even the implied warranty of\n" + "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU\n" + "Lesser General Public License for more details.\n" + "\n" + "You should have received a copy of the GNU Lesser General Public\n" + "License along with %s; if not, write to the Free Software\n" + "Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA\n", + program_name, program_name, program_name ); +#endif + + return 0; +} + +static int warned_cfg = 0; + +#define INDENT 1 +#define SHOW_VERSION 2 +#define SHOW_CONFIG 4 +#define SHOW_COPYRIGHT 8 + +#define PRINT_LIB_INFO(libname, LIBNAME, flags, level) \ + if (CONFIG_##LIBNAME) { \ + const char *indent = flags & INDENT? " " : ""; \ + if (flags & SHOW_VERSION) { \ + unsigned int version = libname##_version(); \ + av_log(NULL, level, \ + "%slib%-11s %2d.%3d.%3d / %2d.%3d.%3d\n", \ + indent, #libname, \ + LIB##LIBNAME##_VERSION_MAJOR, \ + LIB##LIBNAME##_VERSION_MINOR, \ + LIB##LIBNAME##_VERSION_MICRO, \ + AV_VERSION_MAJOR(version), AV_VERSION_MINOR(version),\ + AV_VERSION_MICRO(version)); \ + } \ + if (flags & SHOW_CONFIG) { \ + const char *cfg = libname##_configuration(); \ + if (strcmp(FFMPEG_CONFIGURATION, cfg)) { \ + if (!warned_cfg) { \ + av_log(NULL, level, \ + "%sWARNING: library configuration mismatch\n", \ + indent); \ + warned_cfg = 1; \ + } \ + av_log(NULL, level, "%s%-11s configuration: %s\n", \ + indent, #libname, cfg); \ + } \ + } \ + } \ + +static void print_all_libs_info(int flags, int level) +{ + PRINT_LIB_INFO(avutil, AVUTIL, flags, level); + PRINT_LIB_INFO(avcodec, AVCODEC, flags, level); + PRINT_LIB_INFO(avformat, AVFORMAT, flags, level); + PRINT_LIB_INFO(avdevice, AVDEVICE, flags, level); + PRINT_LIB_INFO(avfilter, AVFILTER, flags, level); + PRINT_LIB_INFO(swscale, SWSCALE, flags, level); + PRINT_LIB_INFO(swresample, SWRESAMPLE, flags, level); + PRINT_LIB_INFO(postproc, POSTPROC, flags, level); +} + +static void print_program_info(int flags, int level) +{ + const char *indent = flags & INDENT? " " : ""; + + av_log(NULL, level, "%s version " FFMPEG_VERSION, program_name); + if (flags & SHOW_COPYRIGHT) + av_log(NULL, level, " Copyright (c) %d-%d the FFmpeg developers", + program_birth_year, CONFIG_THIS_YEAR); + av_log(NULL, level, "\n"); + av_log(NULL, level, "%sbuilt with %s\n", indent, CC_IDENT); + + av_log(NULL, level, "%sconfiguration: " FFMPEG_CONFIGURATION "\n", indent); +} + +static void print_buildconf(int flags, int level) +{ + const char *indent = flags & INDENT ? " " : ""; + char str[] = { FFMPEG_CONFIGURATION }; + char *conflist, *remove_tilde, *splitconf; + + // Change all the ' --' strings to '~--' so that + // they can be identified as tokens. + while ((conflist = strstr(str, " --")) != NULL) { + conflist[0] = '~'; + } + + // Compensate for the weirdness this would cause + // when passing 'pkg-config --static'. + while ((remove_tilde = strstr(str, "pkg-config~")) != NULL) { + remove_tilde[sizeof("pkg-config~") - 2] = ' '; + } + + splitconf = strtok(str, "~"); + av_log(NULL, level, "\n%sconfiguration:\n", indent); + while (splitconf != NULL) { + av_log(NULL, level, "%s%s%s\n", indent, indent, splitconf); + splitconf = strtok(NULL, "~"); + } +} + +void show_banner(int argc, char **argv, const OptionDef *options) +{ + int idx = locate_option(argc, argv, options, "version"); + if (hide_banner || idx) + return; + + print_program_info (INDENT|SHOW_COPYRIGHT, AV_LOG_INFO); + print_all_libs_info(INDENT|SHOW_CONFIG, AV_LOG_INFO); + print_all_libs_info(INDENT|SHOW_VERSION, AV_LOG_INFO); +} + +int show_version(void *optctx, const char *opt, const char *arg) +{ + av_log_set_callback(log_callback_help); + print_program_info (SHOW_COPYRIGHT, AV_LOG_INFO); + print_all_libs_info(SHOW_VERSION, AV_LOG_INFO); + + return 0; +} + +int show_buildconf(void *optctx, const char *opt, const char *arg) +{ + av_log_set_callback(log_callback_help); + print_buildconf (INDENT|0, AV_LOG_INFO); + + return 0; +} + +#define PRINT_CODEC_SUPPORTED(codec, field, type, list_name, term, get_name) \ + if (codec->field) { \ + const type *p = codec->field; \ + \ + printf(" Supported " list_name ":"); \ + while (*p != term) { \ + get_name(*p); \ + printf(" %s", name); \ + p++; \ + } \ + printf("\n"); \ + } \ + +static void print_codec(const AVCodec *c) +{ + int encoder = av_codec_is_encoder(c); + + printf("%s %s [%s]:\n", encoder ? "Encoder" : "Decoder", c->name, + c->long_name ? c->long_name : ""); + + printf(" General capabilities: "); + if (c->capabilities & AV_CODEC_CAP_DRAW_HORIZ_BAND) + printf("horizband "); + if (c->capabilities & AV_CODEC_CAP_DR1) + printf("dr1 "); + if (c->capabilities & AV_CODEC_CAP_DELAY) + printf("delay "); + if (c->capabilities & AV_CODEC_CAP_SMALL_LAST_FRAME) + printf("small "); + if (c->capabilities & AV_CODEC_CAP_SUBFRAMES) + printf("subframes "); + if (c->capabilities & AV_CODEC_CAP_EXPERIMENTAL) + printf("exp "); + if (c->capabilities & AV_CODEC_CAP_CHANNEL_CONF) + printf("chconf "); + if (c->capabilities & AV_CODEC_CAP_PARAM_CHANGE) + printf("paramchange "); + if (c->capabilities & AV_CODEC_CAP_VARIABLE_FRAME_SIZE) + printf("variable "); + if (c->capabilities & (AV_CODEC_CAP_FRAME_THREADS | + AV_CODEC_CAP_SLICE_THREADS | + AV_CODEC_CAP_OTHER_THREADS)) + printf("threads "); + if (c->capabilities & AV_CODEC_CAP_AVOID_PROBING) + printf("avoidprobe "); + if (c->capabilities & AV_CODEC_CAP_HARDWARE) + printf("hardware "); + if (c->capabilities & AV_CODEC_CAP_HYBRID) + printf("hybrid "); + if (!c->capabilities) + printf("none"); + printf("\n"); + + if (c->type == AVMEDIA_TYPE_VIDEO || + c->type == AVMEDIA_TYPE_AUDIO) { + printf(" Threading capabilities: "); + switch (c->capabilities & (AV_CODEC_CAP_FRAME_THREADS | + AV_CODEC_CAP_SLICE_THREADS | + AV_CODEC_CAP_OTHER_THREADS)) { + case AV_CODEC_CAP_FRAME_THREADS | + AV_CODEC_CAP_SLICE_THREADS: printf("frame and slice"); break; + case AV_CODEC_CAP_FRAME_THREADS: printf("frame"); break; + case AV_CODEC_CAP_SLICE_THREADS: printf("slice"); break; + case AV_CODEC_CAP_OTHER_THREADS: printf("other"); break; + default: printf("none"); break; + } + printf("\n"); + } + + if (avcodec_get_hw_config(c, 0)) { + printf(" Supported hardware devices: "); + for (int i = 0;; i++) { + const AVCodecHWConfig *config = avcodec_get_hw_config(c, i); + if (!config) + break; + printf("%s ", av_hwdevice_get_type_name(config->device_type)); + } + printf("\n"); + } + + if (c->supported_framerates) { + const AVRational *fps = c->supported_framerates; + + printf(" Supported framerates:"); + while (fps->num) { + printf(" %d/%d", fps->num, fps->den); + fps++; + } + printf("\n"); + } + PRINT_CODEC_SUPPORTED(c, pix_fmts, enum AVPixelFormat, "pixel formats", + AV_PIX_FMT_NONE, GET_PIX_FMT_NAME); + PRINT_CODEC_SUPPORTED(c, supported_samplerates, int, "sample rates", 0, + GET_SAMPLE_RATE_NAME); + PRINT_CODEC_SUPPORTED(c, sample_fmts, enum AVSampleFormat, "sample formats", + AV_SAMPLE_FMT_NONE, GET_SAMPLE_FMT_NAME); + + if (c->ch_layouts) { + const AVChannelLayout *p = c->ch_layouts; + + printf(" Supported channel layouts:"); + while (p->nb_channels) { + char name[128]; + av_channel_layout_describe(p, name, sizeof(name)); + printf(" %s", name); + p++; + } + printf("\n"); + } + + if (c->priv_class) { + show_help_children(c->priv_class, + AV_OPT_FLAG_ENCODING_PARAM | + AV_OPT_FLAG_DECODING_PARAM); + } +} + +static const AVCodec *next_codec_for_id(enum AVCodecID id, void **iter, + int encoder) +{ + const AVCodec *c; + while ((c = av_codec_iterate(iter))) { + if (c->id == id && + (encoder ? av_codec_is_encoder(c) : av_codec_is_decoder(c))) + return c; + } + return NULL; +} + +static void show_help_codec(const char *name, int encoder) +{ + const AVCodecDescriptor *desc; + const AVCodec *codec; + + if (!name) { + av_log(NULL, AV_LOG_ERROR, "No codec name specified.\n"); + return; + } + + codec = encoder ? avcodec_find_encoder_by_name(name) : + avcodec_find_decoder_by_name(name); + + if (codec) + print_codec(codec); + else if ((desc = avcodec_descriptor_get_by_name(name))) { + void *iter = NULL; + int printed = 0; + + while ((codec = next_codec_for_id(desc->id, &iter, encoder))) { + printed = 1; + print_codec(codec); + } + + if (!printed) { + av_log(NULL, AV_LOG_ERROR, "Codec '%s' is known to FFmpeg, " + "but no %s for it are available. FFmpeg might need to be " + "recompiled with additional external libraries.\n", + name, encoder ? "encoders" : "decoders"); + } + } else { + av_log(NULL, AV_LOG_ERROR, "Codec '%s' is not recognized by FFmpeg.\n", + name); + } +} + +static void show_help_demuxer(const char *name) +{ + const AVInputFormat *fmt = av_find_input_format(name); + + if (!fmt) { + av_log(NULL, AV_LOG_ERROR, "Unknown format '%s'.\n", name); + return; + } + + printf("Demuxer %s [%s]:\n", fmt->name, fmt->long_name); + + if (fmt->extensions) + printf(" Common extensions: %s.\n", fmt->extensions); + + if (fmt->priv_class) + show_help_children(fmt->priv_class, AV_OPT_FLAG_DECODING_PARAM); +} + +static void show_help_protocol(const char *name) +{ + const AVClass *proto_class; + + if (!name) { + av_log(NULL, AV_LOG_ERROR, "No protocol name specified.\n"); + return; + } + + proto_class = avio_protocol_get_class(name); + if (!proto_class) { + av_log(NULL, AV_LOG_ERROR, "Unknown protocol '%s'.\n", name); + return; + } + + show_help_children(proto_class, AV_OPT_FLAG_DECODING_PARAM | AV_OPT_FLAG_ENCODING_PARAM); +} + +static void show_help_muxer(const char *name) +{ + const AVCodecDescriptor *desc; + const AVOutputFormat *fmt = av_guess_format(name, NULL, NULL); + + if (!fmt) { + av_log(NULL, AV_LOG_ERROR, "Unknown format '%s'.\n", name); + return; + } + + printf("Muxer %s [%s]:\n", fmt->name, fmt->long_name); + + if (fmt->extensions) + printf(" Common extensions: %s.\n", fmt->extensions); + if (fmt->mime_type) + printf(" Mime type: %s.\n", fmt->mime_type); + if (fmt->video_codec != AV_CODEC_ID_NONE && + (desc = avcodec_descriptor_get(fmt->video_codec))) { + printf(" Default video codec: %s.\n", desc->name); + } + if (fmt->audio_codec != AV_CODEC_ID_NONE && + (desc = avcodec_descriptor_get(fmt->audio_codec))) { + printf(" Default audio codec: %s.\n", desc->name); + } + if (fmt->subtitle_codec != AV_CODEC_ID_NONE && + (desc = avcodec_descriptor_get(fmt->subtitle_codec))) { + printf(" Default subtitle codec: %s.\n", desc->name); + } + + if (fmt->priv_class) + show_help_children(fmt->priv_class, AV_OPT_FLAG_ENCODING_PARAM); +} + +#if CONFIG_AVFILTER +static void show_help_filter(const char *name) +{ +#if CONFIG_AVFILTER + const AVFilter *f = avfilter_get_by_name(name); + int i, count; + + if (!name) { + av_log(NULL, AV_LOG_ERROR, "No filter name specified.\n"); + return; + } else if (!f) { + av_log(NULL, AV_LOG_ERROR, "Unknown filter '%s'.\n", name); + return; + } + + printf("Filter %s\n", f->name); + if (f->description) + printf(" %s\n", f->description); + + if (f->flags & AVFILTER_FLAG_SLICE_THREADS) + printf(" slice threading supported\n"); + + printf(" Inputs:\n"); + count = avfilter_filter_pad_count(f, 0); + for (i = 0; i < count; i++) { + printf(" #%d: %s (%s)\n", i, avfilter_pad_get_name(f->inputs, i), + av_get_media_type_string(avfilter_pad_get_type(f->inputs, i))); + } + if (f->flags & AVFILTER_FLAG_DYNAMIC_INPUTS) + printf(" dynamic (depending on the options)\n"); + else if (!count) + printf(" none (source filter)\n"); + + printf(" Outputs:\n"); + count = avfilter_filter_pad_count(f, 1); + for (i = 0; i < count; i++) { + printf(" #%d: %s (%s)\n", i, avfilter_pad_get_name(f->outputs, i), + av_get_media_type_string(avfilter_pad_get_type(f->outputs, i))); + } + if (f->flags & AVFILTER_FLAG_DYNAMIC_OUTPUTS) + printf(" dynamic (depending on the options)\n"); + else if (!count) + printf(" none (sink filter)\n"); + + if (f->priv_class) + show_help_children(f->priv_class, AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_FILTERING_PARAM | + AV_OPT_FLAG_AUDIO_PARAM); + if (f->flags & AVFILTER_FLAG_SUPPORT_TIMELINE) + printf("This filter has support for timeline through the 'enable' option.\n"); +#else + av_log(NULL, AV_LOG_ERROR, "Build without libavfilter; " + "can not to satisfy request\n"); +#endif +} +#endif + +static void show_help_bsf(const char *name) +{ + const AVBitStreamFilter *bsf = av_bsf_get_by_name(name); + + if (!name) { + av_log(NULL, AV_LOG_ERROR, "No bitstream filter name specified.\n"); + return; + } else if (!bsf) { + av_log(NULL, AV_LOG_ERROR, "Unknown bit stream filter '%s'.\n", name); + return; + } + + printf("Bit stream filter %s\n", bsf->name); + PRINT_CODEC_SUPPORTED(bsf, codec_ids, enum AVCodecID, "codecs", + AV_CODEC_ID_NONE, GET_CODEC_NAME); + if (bsf->priv_class) + show_help_children(bsf->priv_class, AV_OPT_FLAG_BSF_PARAM); +} + +int show_help(void *optctx, const char *opt, const char *arg) +{ + char *topic, *par; + av_log_set_callback(log_callback_help); + + topic = av_strdup(arg ? arg : ""); + if (!topic) + return AVERROR(ENOMEM); + par = strchr(topic, '='); + if (par) + *par++ = 0; + + if (!*topic) { + show_help_default(topic, par); + } else if (!strcmp(topic, "decoder")) { + show_help_codec(par, 0); + } else if (!strcmp(topic, "encoder")) { + show_help_codec(par, 1); + } else if (!strcmp(topic, "demuxer")) { + show_help_demuxer(par); + } else if (!strcmp(topic, "muxer")) { + show_help_muxer(par); + } else if (!strcmp(topic, "protocol")) { + show_help_protocol(par); +#if CONFIG_AVFILTER + } else if (!strcmp(topic, "filter")) { + show_help_filter(par); +#endif + } else if (!strcmp(topic, "bsf")) { + show_help_bsf(par); + } else { + show_help_default(topic, par); + } + + av_freep(&topic); + return 0; +} + +static void print_codecs_for_id(enum AVCodecID id, int encoder) +{ + void *iter = NULL; + const AVCodec *codec; + + printf(" (%s: ", encoder ? "encoders" : "decoders"); + + while ((codec = next_codec_for_id(id, &iter, encoder))) + printf("%s ", codec->name); + + printf(")"); +} + +static int compare_codec_desc(const void *a, const void *b) +{ + const AVCodecDescriptor * const *da = a; + const AVCodecDescriptor * const *db = b; + + return (*da)->type != (*db)->type ? FFDIFFSIGN((*da)->type, (*db)->type) : + strcmp((*da)->name, (*db)->name); +} + +static unsigned get_codecs_sorted(const AVCodecDescriptor ***rcodecs) +{ + const AVCodecDescriptor *desc = NULL; + const AVCodecDescriptor **codecs; + unsigned nb_codecs = 0, i = 0; + + while ((desc = avcodec_descriptor_next(desc))) + nb_codecs++; + if (!(codecs = av_calloc(nb_codecs, sizeof(*codecs)))) { + av_log(NULL, AV_LOG_ERROR, "Out of memory\n"); + exit_program(1); + } + desc = NULL; + while ((desc = avcodec_descriptor_next(desc))) + codecs[i++] = desc; + av_assert0(i == nb_codecs); + qsort(codecs, nb_codecs, sizeof(*codecs), compare_codec_desc); + *rcodecs = codecs; + return nb_codecs; +} + +static char get_media_type_char(enum AVMediaType type) +{ + switch (type) { + case AVMEDIA_TYPE_VIDEO: return 'V'; + case AVMEDIA_TYPE_AUDIO: return 'A'; + case AVMEDIA_TYPE_DATA: return 'D'; + case AVMEDIA_TYPE_SUBTITLE: return 'S'; + case AVMEDIA_TYPE_ATTACHMENT:return 'T'; + default: return '?'; + } +} + +int show_codecs(void *optctx, const char *opt, const char *arg) +{ + const AVCodecDescriptor **codecs; + unsigned i, nb_codecs = get_codecs_sorted(&codecs); + + printf("Codecs:\n" + " D..... = Decoding supported\n" + " .E.... = Encoding supported\n" + " ..V... = Video codec\n" + " ..A... = Audio codec\n" + " ..S... = Subtitle codec\n" + " ...I.. = Intra frame-only codec\n" + " ....L. = Lossy compression\n" + " .....S = Lossless compression\n" + " -------\n"); + for (i = 0; i < nb_codecs; i++) { + const AVCodecDescriptor *desc = codecs[i]; + const AVCodec *codec; + void *iter = NULL; + + if (strstr(desc->name, "_deprecated")) + continue; + + printf(" "); + printf(avcodec_find_decoder(desc->id) ? "D" : "."); + printf(avcodec_find_encoder(desc->id) ? "E" : "."); + + printf("%c", get_media_type_char(desc->type)); + printf((desc->props & AV_CODEC_PROP_INTRA_ONLY) ? "I" : "."); + printf((desc->props & AV_CODEC_PROP_LOSSY) ? "L" : "."); + printf((desc->props & AV_CODEC_PROP_LOSSLESS) ? "S" : "."); + + printf(" %-20s %s", desc->name, desc->long_name ? desc->long_name : ""); + + /* print decoders/encoders when there's more than one or their + * names are different from codec name */ + while ((codec = next_codec_for_id(desc->id, &iter, 0))) { + if (strcmp(codec->name, desc->name)) { + print_codecs_for_id(desc->id, 0); + break; + } + } + iter = NULL; + while ((codec = next_codec_for_id(desc->id, &iter, 1))) { + if (strcmp(codec->name, desc->name)) { + print_codecs_for_id(desc->id, 1); + break; + } + } + + printf("\n"); + } + av_free(codecs); + return 0; +} + +static void print_codecs(int encoder) +{ + const AVCodecDescriptor **codecs; + unsigned i, nb_codecs = get_codecs_sorted(&codecs); + + printf("%s:\n" + " V..... = Video\n" + " A..... = Audio\n" + " S..... = Subtitle\n" + " .F.... = Frame-level multithreading\n" + " ..S... = Slice-level multithreading\n" + " ...X.. = Codec is experimental\n" + " ....B. = Supports draw_horiz_band\n" + " .....D = Supports direct rendering method 1\n" + " ------\n", + encoder ? "Encoders" : "Decoders"); + for (i = 0; i < nb_codecs; i++) { + const AVCodecDescriptor *desc = codecs[i]; + const AVCodec *codec; + void *iter = NULL; + + while ((codec = next_codec_for_id(desc->id, &iter, encoder))) { + printf(" %c", get_media_type_char(desc->type)); + printf((codec->capabilities & AV_CODEC_CAP_FRAME_THREADS) ? "F" : "."); + printf((codec->capabilities & AV_CODEC_CAP_SLICE_THREADS) ? "S" : "."); + printf((codec->capabilities & AV_CODEC_CAP_EXPERIMENTAL) ? "X" : "."); + printf((codec->capabilities & AV_CODEC_CAP_DRAW_HORIZ_BAND)?"B" : "."); + printf((codec->capabilities & AV_CODEC_CAP_DR1) ? "D" : "."); + + printf(" %-20s %s", codec->name, codec->long_name ? codec->long_name : ""); + if (strcmp(codec->name, desc->name)) + printf(" (codec %s)", desc->name); + + printf("\n"); + } + } + av_free(codecs); +} + +int show_decoders(void *optctx, const char *opt, const char *arg) +{ + print_codecs(0); + return 0; +} + +int show_encoders(void *optctx, const char *opt, const char *arg) +{ + print_codecs(1); + return 0; +} + +int show_bsfs(void *optctx, const char *opt, const char *arg) +{ + const AVBitStreamFilter *bsf = NULL; + void *opaque = NULL; + + printf("Bitstream filters:\n"); + while ((bsf = av_bsf_iterate(&opaque))) + printf("%s\n", bsf->name); + printf("\n"); + return 0; +} + +int show_filters(void *optctx, const char *opt, const char *arg) +{ +#if CONFIG_AVFILTER + const AVFilter *filter = NULL; + char descr[64], *descr_cur; + void *opaque = NULL; + int i, j; + const AVFilterPad *pad; + + printf("Filters:\n" + " T.. = Timeline support\n" + " .S. = Slice threading\n" + " ..C = Command support\n" + " A = Audio input/output\n" + " V = Video input/output\n" + " N = Dynamic number and/or type of input/output\n" + " | = Source or sink filter\n"); + while ((filter = av_filter_iterate(&opaque))) { + descr_cur = descr; + for (i = 0; i < 2; i++) { + unsigned nb_pads; + if (i) { + *(descr_cur++) = '-'; + *(descr_cur++) = '>'; + } + pad = i ? filter->outputs : filter->inputs; + nb_pads = avfilter_filter_pad_count(filter, i); + for (j = 0; j < nb_pads; j++) { + if (descr_cur >= descr + sizeof(descr) - 4) + break; + *(descr_cur++) = get_media_type_char(avfilter_pad_get_type(pad, j)); + } + if (!j) + *(descr_cur++) = ((!i && (filter->flags & AVFILTER_FLAG_DYNAMIC_INPUTS)) || + ( i && (filter->flags & AVFILTER_FLAG_DYNAMIC_OUTPUTS))) ? 'N' : '|'; + } + *descr_cur = 0; + printf(" %c%c%c %-17s %-10s %s\n", + filter->flags & AVFILTER_FLAG_SUPPORT_TIMELINE ? 'T' : '.', + filter->flags & AVFILTER_FLAG_SLICE_THREADS ? 'S' : '.', + filter->process_command ? 'C' : '.', + filter->name, descr, filter->description); + } +#else + printf("No filters available: libavfilter disabled\n"); +#endif + return 0; +} + +static int is_device(const AVClass *avclass) +{ + if (!avclass) + return 0; + return AV_IS_INPUT_DEVICE(avclass->category) || AV_IS_OUTPUT_DEVICE(avclass->category); +} + +static int show_formats_devices(void *optctx, const char *opt, const char *arg, int device_only, int muxdemuxers) +{ + void *ifmt_opaque = NULL; + const AVInputFormat *ifmt = NULL; + void *ofmt_opaque = NULL; + const AVOutputFormat *ofmt = NULL; + const char *last_name; + int is_dev; + + printf("%s\n" + " D. = Demuxing supported\n" + " .E = Muxing supported\n" + " --\n", device_only ? "Devices:" : "File formats:"); + last_name = "000"; + for (;;) { + int decode = 0; + int encode = 0; + const char *name = NULL; + const char *long_name = NULL; + + if (muxdemuxers !=SHOW_DEMUXERS) { + ofmt_opaque = NULL; + while ((ofmt = av_muxer_iterate(&ofmt_opaque))) { + is_dev = is_device(ofmt->priv_class); + if (!is_dev && device_only) + continue; + if ((!name || strcmp(ofmt->name, name) < 0) && + strcmp(ofmt->name, last_name) > 0) { + name = ofmt->name; + long_name = ofmt->long_name; + encode = 1; + } + } + } + if (muxdemuxers != SHOW_MUXERS) { + ifmt_opaque = NULL; + while ((ifmt = av_demuxer_iterate(&ifmt_opaque))) { + is_dev = is_device(ifmt->priv_class); + if (!is_dev && device_only) + continue; + if ((!name || strcmp(ifmt->name, name) < 0) && + strcmp(ifmt->name, last_name) > 0) { + name = ifmt->name; + long_name = ifmt->long_name; + encode = 0; + } + if (name && strcmp(ifmt->name, name) == 0) + decode = 1; + } + } + if (!name) + break; + last_name = name; + + printf(" %c%c %-15s %s\n", + decode ? 'D' : ' ', + encode ? 'E' : ' ', + name, + long_name ? long_name:" "); + } + return 0; +} + +int show_formats(void *optctx, const char *opt, const char *arg) +{ + return show_formats_devices(optctx, opt, arg, 0, SHOW_DEFAULT); +} + +int show_muxers(void *optctx, const char *opt, const char *arg) +{ + return show_formats_devices(optctx, opt, arg, 0, SHOW_MUXERS); +} + +int show_demuxers(void *optctx, const char *opt, const char *arg) +{ + return show_formats_devices(optctx, opt, arg, 0, SHOW_DEMUXERS); +} + +int show_devices(void *optctx, const char *opt, const char *arg) +{ + return show_formats_devices(optctx, opt, arg, 1, SHOW_DEFAULT); +} + +int show_protocols(void *optctx, const char *opt, const char *arg) +{ + void *opaque = NULL; + const char *name; + + printf("Supported file protocols:\n" + "Input:\n"); + while ((name = avio_enum_protocols(&opaque, 0))) + printf(" %s\n", name); + printf("Output:\n"); + while ((name = avio_enum_protocols(&opaque, 1))) + printf(" %s\n", name); + return 0; +} + +int show_colors(void *optctx, const char *opt, const char *arg) +{ + const char *name; + const uint8_t *rgb; + int i; + + printf("%-32s #RRGGBB\n", "name"); + + for (i = 0; name = av_get_known_color_name(i, &rgb); i++) + printf("%-32s #%02x%02x%02x\n", name, rgb[0], rgb[1], rgb[2]); + + return 0; +} + +int show_pix_fmts(void *optctx, const char *opt, const char *arg) +{ + const AVPixFmtDescriptor *pix_desc = NULL; + + printf("Pixel formats:\n" + "I.... = Supported Input format for conversion\n" + ".O... = Supported Output format for conversion\n" + "..H.. = Hardware accelerated format\n" + "...P. = Paletted format\n" + "....B = Bitstream format\n" + "FLAGS NAME NB_COMPONENTS BITS_PER_PIXEL BIT_DEPTHS\n" + "-----\n"); + +#if !CONFIG_SWSCALE +# define sws_isSupportedInput(x) 0 +# define sws_isSupportedOutput(x) 0 +#endif + + while ((pix_desc = av_pix_fmt_desc_next(pix_desc))) { + enum AVPixelFormat av_unused pix_fmt = av_pix_fmt_desc_get_id(pix_desc); + printf("%c%c%c%c%c %-16s %d %3d %d", + sws_isSupportedInput (pix_fmt) ? 'I' : '.', + sws_isSupportedOutput(pix_fmt) ? 'O' : '.', + pix_desc->flags & AV_PIX_FMT_FLAG_HWACCEL ? 'H' : '.', + pix_desc->flags & AV_PIX_FMT_FLAG_PAL ? 'P' : '.', + pix_desc->flags & AV_PIX_FMT_FLAG_BITSTREAM ? 'B' : '.', + pix_desc->name, + pix_desc->nb_components, + av_get_bits_per_pixel(pix_desc), + pix_desc->comp[0].depth); + + for (unsigned i = 1; i < pix_desc->nb_components; i++) + printf("-%d", pix_desc->comp[i].depth); + printf("\n"); + } + return 0; +} + +int show_layouts(void *optctx, const char *opt, const char *arg) +{ + const AVChannelLayout *ch_layout; + void *iter = NULL; + char buf[128], buf2[128]; + int i = 0; + + printf("Individual channels:\n" + "NAME DESCRIPTION\n"); + for (i = 0; i < 63; i++) { + av_channel_name(buf, sizeof(buf), i); + if (!strcmp(buf, "?")) + continue; + av_channel_description(buf2, sizeof(buf2), i); + printf("%-14s %s\n", buf, buf2); + } + printf("\nStandard channel layouts:\n" + "NAME DECOMPOSITION\n"); + while (ch_layout = av_channel_layout_standard(&iter)) { + av_channel_layout_describe(ch_layout, buf, sizeof(buf)); + av_channel_name(buf2, sizeof(buf2), i); + printf("%-14s ", buf); + for (i = 0; i < 63; i++) + if (av_channel_layout_index_from_channel(ch_layout, i) >= 0) + printf("%s%s", i ? "+" : "", buf2); + printf("\n"); + } + return 0; +} + +int show_sample_fmts(void *optctx, const char *opt, const char *arg) +{ + int i; + char fmt_str[128]; + for (i = -1; i < AV_SAMPLE_FMT_NB; i++) + printf("%s\n", av_get_sample_fmt_string(fmt_str, sizeof(fmt_str), i)); + return 0; +} + +int show_dispositions(void *optctx, const char *opt, const char *arg) +{ + for (int i = 0; i < 32; i++) { + const char *str = av_disposition_to_string(1U << i); + if (str) + printf("%s\n", str); + } + return 0; +} + +int opt_cpuflags(void *optctx, const char *opt, const char *arg) +{ + int ret; + unsigned flags = av_get_cpu_flags(); + + if ((ret = av_parse_cpu_caps(&flags, arg)) < 0) + return ret; + + av_force_cpu_flags(flags); + return 0; +} + +int opt_cpucount(void *optctx, const char *opt, const char *arg) +{ + int ret; + int count; + + static const AVOption opts[] = { + {"count", NULL, 0, AV_OPT_TYPE_INT, { .i64 = -1}, -1, INT_MAX}, + {NULL}, + }; + static const AVClass class = { + .class_name = "cpucount", + .item_name = av_default_item_name, + .option = opts, + .version = LIBAVUTIL_VERSION_INT, + }; + const AVClass *pclass = &class; + + ret = av_opt_eval_int(&pclass, opts, arg, &count); + + if (!ret) { + av_cpu_force_count(count); + } + + return ret; +} + +static void expand_filename_template(AVBPrint *bp, const char *template, + struct tm *tm) +{ + int c; + + while ((c = *(template++))) { + if (c == '%') { + if (!(c = *(template++))) + break; + switch (c) { + case 'p': + av_bprintf(bp, "%s", program_name); + break; + case 't': + av_bprintf(bp, "%04d%02d%02d-%02d%02d%02d", + tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday, + tm->tm_hour, tm->tm_min, tm->tm_sec); + break; + case '%': + av_bprint_chars(bp, c, 1); + break; + } + } else { + av_bprint_chars(bp, c, 1); + } + } +} + +static void log_callback_report(void *ptr, int level, const char *fmt, va_list vl) +{ + va_list vl2; + char line[1024]; + static int print_prefix = 1; + + va_copy(vl2, vl); + av_log_default_callback(ptr, level, fmt, vl); + av_log_format_line(ptr, level, fmt, vl2, line, sizeof(line), &print_prefix); + va_end(vl2); + if (report_file_level >= level) { + fputs(line, report_file); + fflush(report_file); + } +} + +int init_report(const char *env, FILE **file) +{ + char *filename_template = NULL; + char *key, *val; + int ret, count = 0; + int prog_loglevel, envlevel = 0; + time_t now; + struct tm *tm; + AVBPrint filename; + + if (report_file) /* already opened */ + return 0; + time(&now); + tm = localtime(&now); + + while (env && *env) { + if ((ret = av_opt_get_key_value(&env, "=", ":", 0, &key, &val)) < 0) { + if (count) + av_log(NULL, AV_LOG_ERROR, + "Failed to parse FFREPORT environment variable: %s\n", + av_err2str(ret)); + break; + } + if (*env) + env++; + count++; + if (!strcmp(key, "file")) { + av_free(filename_template); + filename_template = val; + val = NULL; + } else if (!strcmp(key, "level")) { + char *tail; + report_file_level = strtol(val, &tail, 10); + if (*tail) { + av_log(NULL, AV_LOG_FATAL, "Invalid report file level\n"); + exit_program(1); + } + envlevel = 1; + } else { + av_log(NULL, AV_LOG_ERROR, "Unknown key '%s' in FFREPORT\n", key); + } + av_free(val); + av_free(key); + } + + av_bprint_init(&filename, 0, AV_BPRINT_SIZE_AUTOMATIC); + expand_filename_template(&filename, + av_x_if_null(filename_template, "%p-%t.log"), tm); + av_free(filename_template); + if (!av_bprint_is_complete(&filename)) { + av_log(NULL, AV_LOG_ERROR, "Out of memory building report file name\n"); + return AVERROR(ENOMEM); + } + + prog_loglevel = av_log_get_level(); + if (!envlevel) + report_file_level = FFMAX(report_file_level, prog_loglevel); + + report_file = fopen(filename.str, "w"); + if (!report_file) { + int ret = AVERROR(errno); + av_log(NULL, AV_LOG_ERROR, "Failed to open report \"%s\": %s\n", + filename.str, strerror(errno)); + return ret; + } + av_log_set_callback(log_callback_report); + av_log(NULL, AV_LOG_INFO, + "%s started on %04d-%02d-%02d at %02d:%02d:%02d\n" + "Report written to \"%s\"\n" + "Log level: %d\n", + program_name, + tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday, + tm->tm_hour, tm->tm_min, tm->tm_sec, + filename.str, report_file_level); + av_bprint_finalize(&filename, NULL); + + if (file) + *file = report_file; + + return 0; +} + +int opt_report(void *optctx, const char *opt, const char *arg) +{ + return init_report(NULL, NULL); +} + +int opt_max_alloc(void *optctx, const char *opt, const char *arg) +{ + char *tail; + size_t max; + + max = strtol(arg, &tail, 10); + if (*tail) { + av_log(NULL, AV_LOG_FATAL, "Invalid max_alloc \"%s\".\n", arg); + exit_program(1); + } + av_max_alloc(max); + return 0; +} + +int opt_loglevel(void *optctx, const char *opt, const char *arg) +{ + const struct { const char *name; int level; } log_levels[] = { + { "quiet" , AV_LOG_QUIET }, + { "panic" , AV_LOG_PANIC }, + { "fatal" , AV_LOG_FATAL }, + { "error" , AV_LOG_ERROR }, + { "warning", AV_LOG_WARNING }, + { "info" , AV_LOG_INFO }, + { "verbose", AV_LOG_VERBOSE }, + { "debug" , AV_LOG_DEBUG }, + { "trace" , AV_LOG_TRACE }, + }; + const char *token; + char *tail; + int flags = av_log_get_flags(); + int level = av_log_get_level(); + int cmd, i = 0; + + av_assert0(arg); + while (*arg) { + token = arg; + if (*token == '+' || *token == '-') { + cmd = *token++; + } else { + cmd = 0; + } + if (!i && !cmd) { + flags = 0; /* missing relative prefix, build absolute value */ + } + if (av_strstart(token, "repeat", &arg)) { + if (cmd == '-') { + flags |= AV_LOG_SKIP_REPEATED; + } else { + flags &= ~AV_LOG_SKIP_REPEATED; + } + } else if (av_strstart(token, "level", &arg)) { + if (cmd == '-') { + flags &= ~AV_LOG_PRINT_LEVEL; + } else { + flags |= AV_LOG_PRINT_LEVEL; + } + } else { + break; + } + i++; + } + if (!*arg) { + goto end; + } else if (*arg == '+') { + arg++; + } else if (!i) { + flags = av_log_get_flags(); /* level value without prefix, reset flags */ + } + + for (i = 0; i < FF_ARRAY_ELEMS(log_levels); i++) { + if (!strcmp(log_levels[i].name, arg)) { + level = log_levels[i].level; + goto end; + } + } + + level = strtol(arg, &tail, 10); + if (*tail) { + av_log(NULL, AV_LOG_FATAL, "Invalid loglevel \"%s\". " + "Possible levels are numbers or:\n", arg); + for (i = 0; i < FF_ARRAY_ELEMS(log_levels); i++) + av_log(NULL, AV_LOG_FATAL, "\"%s\"\n", log_levels[i].name); + exit_program(1); + } + +end: + av_log_set_flags(flags); + av_log_set_level(level); + return 0; +} + +#if CONFIG_AVDEVICE +static void print_device_list(const AVDeviceInfoList *device_list) +{ + // print devices + for (int i = 0; i < device_list->nb_devices; i++) { + const AVDeviceInfo *device = device_list->devices[i]; + printf("%c %s [%s] (", device_list->default_device == i ? '*' : ' ', + device->device_name, device->device_description); + if (device->nb_media_types > 0) { + for (int j = 0; j < device->nb_media_types; ++j) { + const char* media_type = av_get_media_type_string(device->media_types[j]); + if (j > 0) + printf(", "); + printf("%s", media_type ? media_type : "unknown"); + } + } else { + printf("none"); + } + printf(")\n"); + } +} + +static int print_device_sources(const AVInputFormat *fmt, AVDictionary *opts) +{ + int ret; + AVDeviceInfoList *device_list = NULL; + + if (!fmt || !fmt->priv_class || !AV_IS_INPUT_DEVICE(fmt->priv_class->category)) + return AVERROR(EINVAL); + + printf("Auto-detected sources for %s:\n", fmt->name); + if ((ret = avdevice_list_input_sources(fmt, NULL, opts, &device_list)) < 0) { + printf("Cannot list sources: %s\n", av_err2str(ret)); + goto fail; + } + + print_device_list(device_list); + + fail: + avdevice_free_list_devices(&device_list); + return ret; +} + +static int print_device_sinks(const AVOutputFormat *fmt, AVDictionary *opts) +{ + int ret; + AVDeviceInfoList *device_list = NULL; + + if (!fmt || !fmt->priv_class || !AV_IS_OUTPUT_DEVICE(fmt->priv_class->category)) + return AVERROR(EINVAL); + + printf("Auto-detected sinks for %s:\n", fmt->name); + if ((ret = avdevice_list_output_sinks(fmt, NULL, opts, &device_list)) < 0) { + printf("Cannot list sinks: %s\n", av_err2str(ret)); + goto fail; + } + + print_device_list(device_list); + + fail: + avdevice_free_list_devices(&device_list); + return ret; +} + +static int show_sinks_sources_parse_arg(const char *arg, char **dev, AVDictionary **opts) +{ + int ret; + if (arg) { + char *opts_str = NULL; + av_assert0(dev && opts); + *dev = av_strdup(arg); + if (!*dev) + return AVERROR(ENOMEM); + if ((opts_str = strchr(*dev, ','))) { + *(opts_str++) = '\0'; + if (opts_str[0] && ((ret = av_dict_parse_string(opts, opts_str, "=", ":", 0)) < 0)) { + av_freep(dev); + return ret; + } + } + } else + printf("\nDevice name is not provided.\n" + "You can pass devicename[,opt1=val1[,opt2=val2...]] as an argument.\n\n"); + return 0; +} + +int show_sources(void *optctx, const char *opt, const char *arg) +{ + const AVInputFormat *fmt = NULL; + char *dev = NULL; + AVDictionary *opts = NULL; + int ret = 0; + int error_level = av_log_get_level(); + + av_log_set_level(AV_LOG_WARNING); + + if ((ret = show_sinks_sources_parse_arg(arg, &dev, &opts)) < 0) + goto fail; + + do { + fmt = av_input_audio_device_next(fmt); + if (fmt) { + if (!strcmp(fmt->name, "lavfi")) + continue; //it's pointless to probe lavfi + if (dev && !av_match_name(dev, fmt->name)) + continue; + print_device_sources(fmt, opts); + } + } while (fmt); + do { + fmt = av_input_video_device_next(fmt); + if (fmt) { + if (dev && !av_match_name(dev, fmt->name)) + continue; + print_device_sources(fmt, opts); + } + } while (fmt); + fail: + av_dict_free(&opts); + av_free(dev); + av_log_set_level(error_level); + return ret; +} + +int show_sinks(void *optctx, const char *opt, const char *arg) +{ + const AVOutputFormat *fmt = NULL; + char *dev = NULL; + AVDictionary *opts = NULL; + int ret = 0; + int error_level = av_log_get_level(); + + av_log_set_level(AV_LOG_WARNING); + + if ((ret = show_sinks_sources_parse_arg(arg, &dev, &opts)) < 0) + goto fail; + + do { + fmt = av_output_audio_device_next(fmt); + if (fmt) { + if (dev && !av_match_name(dev, fmt->name)) + continue; + print_device_sinks(fmt, opts); + } + } while (fmt); + do { + fmt = av_output_video_device_next(fmt); + if (fmt) { + if (dev && !av_match_name(dev, fmt->name)) + continue; + print_device_sinks(fmt, opts); + } + } while (fmt); + fail: + av_dict_free(&opts); + av_free(dev); + av_log_set_level(error_level); + return ret; +} +#endif /* CONFIG_AVDEVICE */ |