From a545cb2b9dc689ae19e75be27a3550d97cb9cf72 Mon Sep 17 00:00:00 2001 From: Anton Khirnov Date: Wed, 9 Mar 2022 12:11:09 +0100 Subject: [PATCH] fftools/cmdutils: split common option handlers into their own file --- fftools/Makefile | 2 +- fftools/cmdutils.c | 1417 +--------------------------------------- fftools/cmdutils.h | 202 ------ fftools/ffmpeg_opt.c | 1 + fftools/ffplay.c | 1 + fftools/ffprobe.c | 1 + fftools/opt_common.c | 1457 ++++++++++++++++++++++++++++++++++++++++++ fftools/opt_common.h | 231 +++++++ 8 files changed, 1697 insertions(+), 1615 deletions(-) create mode 100644 fftools/opt_common.c create mode 100644 fftools/opt_common.h diff --git a/fftools/Makefile b/fftools/Makefile index da420786eb..5ebf50d42e 100644 --- a/fftools/Makefile +++ b/fftools/Makefile @@ -12,7 +12,7 @@ ALLAVPROGS_G = $(AVBASENAMES:%=%$(PROGSSUF)_g$(EXESUF)) OBJS-ffmpeg += fftools/ffmpeg_opt.o fftools/ffmpeg_filter.o fftools/ffmpeg_hw.o define DOFFTOOL -OBJS-$(1) += fftools/cmdutils.o fftools/$(1).o $(OBJS-$(1)-yes) +OBJS-$(1) += fftools/cmdutils.o fftools/opt_common.o fftools/$(1).o $(OBJS-$(1)-yes) $(1)$(PROGSSUF)_g$(EXESUF): $$(OBJS-$(1)) $$(OBJS-$(1)): | fftools $$(OBJS-$(1)): CFLAGS += $(CFLAGS-$(1)) diff --git a/fftools/cmdutils.c b/fftools/cmdutils.c index 818abad03e..e7d8ef6765 100644 --- a/fftools/cmdutils.c +++ b/fftools/cmdutils.c @@ -32,37 +32,22 @@ #include "config.h" #include "compat/va_copy.h" #include "libavformat/avformat.h" -#include "libavformat/version.h" -#include "libavfilter/avfilter.h" -#include "libavfilter/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" -#include "libavutil/attributes.h" #include "libavutil/avassert.h" #include "libavutil/avstring.h" -#include "libavutil/bprint.h" #include "libavutil/channel_layout.h" #include "libavutil/display.h" #include "libavutil/mathematics.h" #include "libavutil/imgutils.h" #include "libavutil/libm.h" #include "libavutil/parseutils.h" -#include "libavutil/pixdesc.h" #include "libavutil/eval.h" #include "libavutil/dict.h" #include "libavutil/opt.h" -#include "libavutil/cpu.h" -#include "libavutil/ffversion.h" -#include "libavutil/version.h" -#include "libavcodec/bsf.h" -#include "libavcodec/version.h" #include "cmdutils.h" +#include "opt_common.h" #if HAVE_SYS_RESOURCE_H #include #include @@ -71,22 +56,12 @@ #include #endif -static int init_report(const char *env); - AVDictionary *sws_dict; AVDictionary *swr_opts; AVDictionary *format_opts, *codec_opts; -static FILE *report_file; -static int report_file_level = AV_LOG_DEBUG; int hide_banner = 0; -enum show_muxdemuxers { - SHOW_DEFAULT, - SHOW_DEMUXERS, - SHOW_MUXERS, -}; - void uninit_opts(void) { av_dict_free(&swr_opts); @@ -100,22 +75,6 @@ void log_callback_help(void *ptr, int level, const char *fmt, va_list vl) vfprintf(stdout, fmt, vl); } -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); - } -} - void init_dynload(void) { #if HAVE_SETDLLDIRECTORY && defined(_WIN32) @@ -468,7 +427,7 @@ int locate_option(int argc, char **argv, const OptionDef *options, return 0; } -static void dump_argument(const char *a) +static void dump_argument(FILE *report_file, const char *a) { const unsigned char *p; @@ -514,12 +473,13 @@ void parse_loglevel(int argc, char **argv, const OptionDef *options) opt_loglevel(NULL, "loglevel", argv[idx + 1]); idx = locate_option(argc, argv, options, "report"); if ((env = getenv("FFREPORT")) || idx) { - init_report(env); + FILE *report_file = NULL; + init_report(env, &report_file); if (report_file) { int i; fprintf(report_file, "Command line:\n"); for (i = 0; i < argc; i++) { - dump_argument(argv[i]); + dump_argument(report_file, argv[i]); fputc(i < argc - 1 ? ' ' : '\n', report_file); } fflush(report_file); @@ -838,246 +798,6 @@ do { \ 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; -} - -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; -} - -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 int init_report(const char *env) -{ - 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); - return 0; -} - -int opt_report(void *optctx, const char *opt, const char *arg) -{ - return init_report(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_timelimit(void *optctx, const char *opt, const char *arg) { #if HAVE_SETRLIMIT @@ -1101,972 +821,6 @@ void print_error(const char *filename, int err) av_log(NULL, AV_LOG_ERROR, "%s: %s\n", filename, errbuf_ptr); } -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; -} - -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 .\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 .\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 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); -} - -#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 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 '?'; - } -} - -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 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 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(")"); -} - -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_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_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; -} - -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; -} - -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; -} - int read_yesno(void) { int c = getchar(); @@ -2261,164 +1015,3 @@ double get_rotation(int32_t *displaymatrix) return theta; } - -#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 diff --git a/fftools/cmdutils.h b/fftools/cmdutils.h index 0e991c1ccb..d87e162ccd 100644 --- a/fftools/cmdutils.h +++ b/fftools/cmdutils.h @@ -76,31 +76,12 @@ void uninit_opts(void); */ void log_callback_help(void* ptr, int level, const char* fmt, va_list vl); -/** - * Override the cpuflags. - */ -int opt_cpuflags(void *optctx, const char *opt, const char *arg); - -/** - * Override the cpucount. - */ -int opt_cpucount(void *optctx, const char *opt, const char *arg); - /** * Fallback for options that are not explicitly handled, these will be * parsed through AVOptions. */ int opt_default(void *optctx, const char *opt, const char *arg); -/** - * Set the libav* libraries log level. - */ -int opt_loglevel(void *optctx, const char *opt, const char *arg); - -int opt_report(void *optctx, const char *opt, const char *arg); - -int opt_max_alloc(void *optctx, const char *opt, const char *arg); - /** * Limit the execution time. */ @@ -197,49 +178,6 @@ typedef struct OptionDef { void show_help_options(const OptionDef *options, const char *msg, int req_flags, int rej_flags, int alt_flags); -#if CONFIG_AVDEVICE -#define CMDUTILS_COMMON_OPTIONS_AVDEVICE \ - { "sources" , OPT_EXIT | HAS_ARG, { .func_arg = show_sources }, \ - "list sources of the input device", "device" }, \ - { "sinks" , OPT_EXIT | HAS_ARG, { .func_arg = show_sinks }, \ - "list sinks of the output device", "device" }, \ - -#else -#define CMDUTILS_COMMON_OPTIONS_AVDEVICE -#endif - -#define CMDUTILS_COMMON_OPTIONS \ - { "L", OPT_EXIT, { .func_arg = show_license }, "show license" }, \ - { "h", OPT_EXIT, { .func_arg = show_help }, "show help", "topic" }, \ - { "?", OPT_EXIT, { .func_arg = show_help }, "show help", "topic" }, \ - { "help", OPT_EXIT, { .func_arg = show_help }, "show help", "topic" }, \ - { "-help", OPT_EXIT, { .func_arg = show_help }, "show help", "topic" }, \ - { "version", OPT_EXIT, { .func_arg = show_version }, "show version" }, \ - { "buildconf", OPT_EXIT, { .func_arg = show_buildconf }, "show build configuration" }, \ - { "formats", OPT_EXIT, { .func_arg = show_formats }, "show available formats" }, \ - { "muxers", OPT_EXIT, { .func_arg = show_muxers }, "show available muxers" }, \ - { "demuxers", OPT_EXIT, { .func_arg = show_demuxers }, "show available demuxers" }, \ - { "devices", OPT_EXIT, { .func_arg = show_devices }, "show available devices" }, \ - { "codecs", OPT_EXIT, { .func_arg = show_codecs }, "show available codecs" }, \ - { "decoders", OPT_EXIT, { .func_arg = show_decoders }, "show available decoders" }, \ - { "encoders", OPT_EXIT, { .func_arg = show_encoders }, "show available encoders" }, \ - { "bsfs", OPT_EXIT, { .func_arg = show_bsfs }, "show available bit stream filters" }, \ - { "protocols", OPT_EXIT, { .func_arg = show_protocols }, "show available protocols" }, \ - { "filters", OPT_EXIT, { .func_arg = show_filters }, "show available filters" }, \ - { "pix_fmts", OPT_EXIT, { .func_arg = show_pix_fmts }, "show available pixel formats" }, \ - { "layouts", OPT_EXIT, { .func_arg = show_layouts }, "show standard channel layouts" }, \ - { "sample_fmts", OPT_EXIT, { .func_arg = show_sample_fmts }, "show available audio sample formats" }, \ - { "dispositions", OPT_EXIT, { .func_arg = show_dispositions}, "show available stream dispositions" }, \ - { "colors", OPT_EXIT, { .func_arg = show_colors }, "show available color names" }, \ - { "loglevel", HAS_ARG, { .func_arg = opt_loglevel }, "set logging level", "loglevel" }, \ - { "v", HAS_ARG, { .func_arg = opt_loglevel }, "set logging level", "loglevel" }, \ - { "report", 0, { .func_arg = opt_report }, "generate a report" }, \ - { "max_alloc", HAS_ARG, { .func_arg = opt_max_alloc }, "set maximum size of a single allocated block", "bytes" }, \ - { "cpuflags", HAS_ARG | OPT_EXPERT, { .func_arg = opt_cpuflags }, "force specific cpu flags", "flags" }, \ - { "cpucount", HAS_ARG | OPT_EXPERT, { .func_arg = opt_cpucount }, "force specific cpu count", "count" }, \ - { "hide_banner", OPT_BOOL | OPT_EXPERT, {&hide_banner}, "do not show program banner", "hide_banner" }, \ - CMDUTILS_COMMON_OPTIONS_AVDEVICE \ - /** * Show help for all options with given flags in class and all its * children. @@ -252,11 +190,6 @@ void show_help_children(const AVClass *class, int flags); */ void show_help_default(const char *opt, const char *arg); -/** - * Generic -h handler common to all fftools. - */ -int show_help(void *optctx, const char *opt, const char *arg); - /** * Parse the command line arguments. * @@ -445,141 +378,6 @@ void print_error(const char *filename, int err); */ void show_banner(int argc, char **argv, const OptionDef *options); -/** - * Print the version of the program to stdout. The version message - * depends on the current versions of the repository and of the libav* - * libraries. - * This option processing function does not utilize the arguments. - */ -int show_version(void *optctx, const char *opt, const char *arg); - -/** - * Print the build configuration of the program to stdout. The contents - * depend on the definition of FFMPEG_CONFIGURATION. - * This option processing function does not utilize the arguments. - */ -int show_buildconf(void *optctx, const char *opt, const char *arg); - -/** - * Print the license of the program to stdout. The license depends on - * the license of the libraries compiled into the program. - * This option processing function does not utilize the arguments. - */ -int show_license(void *optctx, const char *opt, const char *arg); - -/** - * Print a listing containing all the formats supported by the - * program (including devices). - * This option processing function does not utilize the arguments. - */ -int show_formats(void *optctx, const char *opt, const char *arg); - -/** - * Print a listing containing all the muxers supported by the - * program (including devices). - * This option processing function does not utilize the arguments. - */ -int show_muxers(void *optctx, const char *opt, const char *arg); - -/** - * Print a listing containing all the demuxer supported by the - * program (including devices). - * This option processing function does not utilize the arguments. - */ -int show_demuxers(void *optctx, const char *opt, const char *arg); - -/** - * Print a listing containing all the devices supported by the - * program. - * This option processing function does not utilize the arguments. - */ -int show_devices(void *optctx, const char *opt, const char *arg); - -#if CONFIG_AVDEVICE -/** - * Print a listing containing autodetected sinks of the output device. - * Device name with options may be passed as an argument to limit results. - */ -int show_sinks(void *optctx, const char *opt, const char *arg); - -/** - * Print a listing containing autodetected sources of the input device. - * Device name with options may be passed as an argument to limit results. - */ -int show_sources(void *optctx, const char *opt, const char *arg); -#endif - -/** - * Print a listing containing all the codecs supported by the - * program. - * This option processing function does not utilize the arguments. - */ -int show_codecs(void *optctx, const char *opt, const char *arg); - -/** - * Print a listing containing all the decoders supported by the - * program. - */ -int show_decoders(void *optctx, const char *opt, const char *arg); - -/** - * Print a listing containing all the encoders supported by the - * program. - */ -int show_encoders(void *optctx, const char *opt, const char *arg); - -/** - * Print a listing containing all the filters supported by the - * program. - * This option processing function does not utilize the arguments. - */ -int show_filters(void *optctx, const char *opt, const char *arg); - -/** - * Print a listing containing all the bit stream filters supported by the - * program. - * This option processing function does not utilize the arguments. - */ -int show_bsfs(void *optctx, const char *opt, const char *arg); - -/** - * Print a listing containing all the protocols supported by the - * program. - * This option processing function does not utilize the arguments. - */ -int show_protocols(void *optctx, const char *opt, const char *arg); - -/** - * Print a listing containing all the pixel formats supported by the - * program. - * This option processing function does not utilize the arguments. - */ -int show_pix_fmts(void *optctx, const char *opt, const char *arg); - -/** - * Print a listing containing all the standard channel layouts supported by - * the program. - * This option processing function does not utilize the arguments. - */ -int show_layouts(void *optctx, const char *opt, const char *arg); - -/** - * Print a listing containing all the sample formats supported by the - * program. - */ -int show_sample_fmts(void *optctx, const char *opt, const char *arg); - -/** - * Print a listing containing all supported stream dispositions. - */ -int show_dispositions(void *optctx, const char *opt, const char *arg); - -/** - * Print a listing containing all the color names and values recognized - * by the program. - */ -int show_colors(void *optctx, const char *opt, const char *arg); - /** * Return a positive value if a line read from standard input * starts with [yY], otherwise return 0. diff --git a/fftools/ffmpeg_opt.c b/fftools/ffmpeg_opt.c index 5598f0e53d..ea98778cbd 100644 --- a/fftools/ffmpeg_opt.c +++ b/fftools/ffmpeg_opt.c @@ -23,6 +23,7 @@ #include "ffmpeg.h" #include "cmdutils.h" +#include "opt_common.h" #include "libavformat/avformat.h" diff --git a/fftools/ffplay.c b/fftools/ffplay.c index 9a5c04e6c6..2b1a5b9cc8 100644 --- a/fftools/ffplay.c +++ b/fftools/ffplay.c @@ -60,6 +60,7 @@ #include #include "cmdutils.h" +#include "opt_common.h" const char program_name[] = "ffplay"; const int program_birth_year = 2003; diff --git a/fftools/ffprobe.c b/fftools/ffprobe.c index 2737f1069a..27d9ead7f7 100644 --- a/fftools/ffprobe.c +++ b/fftools/ffprobe.c @@ -62,6 +62,7 @@ #include "libpostproc/version.h" #include "libavfilter/version.h" #include "cmdutils.h" +#include "opt_common.h" #include "libavutil/thread.h" 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 + +#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 .\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 .\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 */ diff --git a/fftools/opt_common.h b/fftools/opt_common.h new file mode 100644 index 0000000000..ea1d16e769 --- /dev/null +++ b/fftools/opt_common.h @@ -0,0 +1,231 @@ +/* + * 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 + */ + +#ifndef FFTOOLS_OPT_COMMON_H +#define FFTOOLS_OPT_COMMON_H + +#include "config.h" + +#include "cmdutils.h" + +#if CONFIG_AVDEVICE +/** + * Print a listing containing autodetected sinks of the output device. + * Device name with options may be passed as an argument to limit results. + */ +int show_sinks(void *optctx, const char *opt, const char *arg); + +/** + * Print a listing containing autodetected sources of the input device. + * Device name with options may be passed as an argument to limit results. + */ +int show_sources(void *optctx, const char *opt, const char *arg); +#endif + +#if CONFIG_AVDEVICE +#define CMDUTILS_COMMON_OPTIONS_AVDEVICE \ + { "sources" , OPT_EXIT | HAS_ARG, { .func_arg = show_sources }, \ + "list sources of the input device", "device" }, \ + { "sinks" , OPT_EXIT | HAS_ARG, { .func_arg = show_sinks }, \ + "list sinks of the output device", "device" }, \ + +#else +#define CMDUTILS_COMMON_OPTIONS_AVDEVICE +#endif + +/** + * Print the license of the program to stdout. The license depends on + * the license of the libraries compiled into the program. + * This option processing function does not utilize the arguments. + */ +int show_license(void *optctx, const char *opt, const char *arg); + +/** + * Generic -h handler common to all fftools. + */ +int show_help(void *optctx, const char *opt, const char *arg); + +/** + * Print the version of the program to stdout. The version message + * depends on the current versions of the repository and of the libav* + * libraries. + * This option processing function does not utilize the arguments. + */ +int show_version(void *optctx, const char *opt, const char *arg); + +/** + * Print the build configuration of the program to stdout. The contents + * depend on the definition of FFMPEG_CONFIGURATION. + * This option processing function does not utilize the arguments. + */ +int show_buildconf(void *optctx, const char *opt, const char *arg); + +/** + * Print a listing containing all the formats supported by the + * program (including devices). + * This option processing function does not utilize the arguments. + */ +int show_formats(void *optctx, const char *opt, const char *arg); + +/** + * Print a listing containing all the muxers supported by the + * program (including devices). + * This option processing function does not utilize the arguments. + */ +int show_muxers(void *optctx, const char *opt, const char *arg); + +/** + * Print a listing containing all the demuxer supported by the + * program (including devices). + * This option processing function does not utilize the arguments. + */ +int show_demuxers(void *optctx, const char *opt, const char *arg); + +/** + * Print a listing containing all the devices supported by the + * program. + * This option processing function does not utilize the arguments. + */ +int show_devices(void *optctx, const char *opt, const char *arg); + +/** + * Print a listing containing all the codecs supported by the + * program. + * This option processing function does not utilize the arguments. + */ +int show_codecs(void *optctx, const char *opt, const char *arg); + +/** + * Print a listing containing all the decoders supported by the + * program. + */ +int show_decoders(void *optctx, const char *opt, const char *arg); + +/** + * Print a listing containing all the encoders supported by the + * program. + */ +int show_encoders(void *optctx, const char *opt, const char *arg); + +/** + * Print a listing containing all the bit stream filters supported by the + * program. + * This option processing function does not utilize the arguments. + */ +int show_bsfs(void *optctx, const char *opt, const char *arg); + +/** + * Print a listing containing all the protocols supported by the + * program. + * This option processing function does not utilize the arguments. + */ +int show_protocols(void *optctx, const char *opt, const char *arg); + +/** + * Print a listing containing all the filters supported by the + * program. + * This option processing function does not utilize the arguments. + */ +int show_filters(void *optctx, const char *opt, const char *arg); + +/** + * Print a listing containing all the pixel formats supported by the + * program. + * This option processing function does not utilize the arguments. + */ +int show_pix_fmts(void *optctx, const char *opt, const char *arg); + +/** + * Print a listing containing all the standard channel layouts supported by + * the program. + * This option processing function does not utilize the arguments. + */ +int show_layouts(void *optctx, const char *opt, const char *arg); + +/** + * Print a listing containing all the sample formats supported by the + * program. + */ +int show_sample_fmts(void *optctx, const char *opt, const char *arg); + +/** + * Print a listing containing all supported stream dispositions. + */ +int show_dispositions(void *optctx, const char *opt, const char *arg); + +/** + * Print a listing containing all the color names and values recognized + * by the program. + */ +int show_colors(void *optctx, const char *opt, const char *arg); + +/** + * Set the libav* libraries log level. + */ +int opt_loglevel(void *optctx, const char *opt, const char *arg); + +int opt_report(void *optctx, const char *opt, const char *arg); +int init_report(const char *env, FILE **file); + +int opt_max_alloc(void *optctx, const char *opt, const char *arg); + +/** + * Override the cpuflags. + */ +int opt_cpuflags(void *optctx, const char *opt, const char *arg); + +/** + * Override the cpucount. + */ +int opt_cpucount(void *optctx, const char *opt, const char *arg); + +#define CMDUTILS_COMMON_OPTIONS \ + { "L", OPT_EXIT, { .func_arg = show_license }, "show license" }, \ + { "h", OPT_EXIT, { .func_arg = show_help }, "show help", "topic" }, \ + { "?", OPT_EXIT, { .func_arg = show_help }, "show help", "topic" }, \ + { "help", OPT_EXIT, { .func_arg = show_help }, "show help", "topic" }, \ + { "-help", OPT_EXIT, { .func_arg = show_help }, "show help", "topic" }, \ + { "version", OPT_EXIT, { .func_arg = show_version }, "show version" }, \ + { "buildconf", OPT_EXIT, { .func_arg = show_buildconf }, "show build configuration" }, \ + { "formats", OPT_EXIT, { .func_arg = show_formats }, "show available formats" }, \ + { "muxers", OPT_EXIT, { .func_arg = show_muxers }, "show available muxers" }, \ + { "demuxers", OPT_EXIT, { .func_arg = show_demuxers }, "show available demuxers" }, \ + { "devices", OPT_EXIT, { .func_arg = show_devices }, "show available devices" }, \ + { "codecs", OPT_EXIT, { .func_arg = show_codecs }, "show available codecs" }, \ + { "decoders", OPT_EXIT, { .func_arg = show_decoders }, "show available decoders" }, \ + { "encoders", OPT_EXIT, { .func_arg = show_encoders }, "show available encoders" }, \ + { "bsfs", OPT_EXIT, { .func_arg = show_bsfs }, "show available bit stream filters" }, \ + { "protocols", OPT_EXIT, { .func_arg = show_protocols }, "show available protocols" }, \ + { "filters", OPT_EXIT, { .func_arg = show_filters }, "show available filters" }, \ + { "pix_fmts", OPT_EXIT, { .func_arg = show_pix_fmts }, "show available pixel formats" }, \ + { "layouts", OPT_EXIT, { .func_arg = show_layouts }, "show standard channel layouts" }, \ + { "sample_fmts", OPT_EXIT, { .func_arg = show_sample_fmts }, "show available audio sample formats" }, \ + { "dispositions", OPT_EXIT, { .func_arg = show_dispositions}, "show available stream dispositions" }, \ + { "colors", OPT_EXIT, { .func_arg = show_colors }, "show available color names" }, \ + { "loglevel", HAS_ARG, { .func_arg = opt_loglevel }, "set logging level", "loglevel" }, \ + { "v", HAS_ARG, { .func_arg = opt_loglevel }, "set logging level", "loglevel" }, \ + { "report", 0, { .func_arg = opt_report }, "generate a report" }, \ + { "max_alloc", HAS_ARG, { .func_arg = opt_max_alloc }, "set maximum size of a single allocated block", "bytes" }, \ + { "cpuflags", HAS_ARG | OPT_EXPERT, { .func_arg = opt_cpuflags }, "force specific cpu flags", "flags" }, \ + { "cpucount", HAS_ARG | OPT_EXPERT, { .func_arg = opt_cpucount }, "force specific cpu count", "count" }, \ + { "hide_banner", OPT_BOOL | OPT_EXPERT, {&hide_banner}, "do not show program banner", "hide_banner" }, \ + CMDUTILS_COMMON_OPTIONS_AVDEVICE \ + +#endif /* FFTOOLS_OPT_COMMON_H */