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n9.1-dev
fftools/opt_common.h
232 строки
11 KB
zhanghongyuan
fftools/opt_common: Make -sources/-sinks options work without arguments
04 фев 2026, 02:22
04 фев 2026, 02:22
52f9e8c
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/* * 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_TYPE_FUNC, OPT_EXIT | OPT_EXPERT, { .func_arg = show_sources }, \ "list sources of the input device", "device" }, \ { "sinks" , OPT_TYPE_FUNC, OPT_EXIT | OPT_EXPERT, { .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_TYPE_FUNC, OPT_EXIT, { .func_arg = show_license }, "show license" }, \ { "license", OPT_TYPE_FUNC, OPT_EXIT, { .func_arg = show_license }, "show license" }, \ { "h", OPT_TYPE_FUNC, OPT_EXIT, { .func_arg = show_help }, "show help", "topic" }, \ { "?", OPT_TYPE_FUNC, OPT_EXIT | OPT_EXPERT, { .func_arg = show_help }, "show help", "topic" }, \ { "help", OPT_TYPE_FUNC, OPT_EXIT | OPT_EXPERT, { .func_arg = show_help }, "show help", "topic" }, \ { "-help", OPT_TYPE_FUNC, OPT_EXIT | OPT_EXPERT, { .func_arg = show_help }, "show help", "topic" }, \ { "version", OPT_TYPE_FUNC, OPT_EXIT, { .func_arg = show_version }, "show version" }, \ { "buildconf", OPT_TYPE_FUNC, OPT_EXIT | OPT_EXPERT, { .func_arg = show_buildconf }, "show build configuration" }, \ { "formats", OPT_TYPE_FUNC, OPT_EXIT | OPT_EXPERT, { .func_arg = show_formats }, "show available formats" }, \ { "muxers", OPT_TYPE_FUNC, OPT_EXIT, { .func_arg = show_muxers }, "show available muxers" }, \ { "demuxers", OPT_TYPE_FUNC, OPT_EXIT, { .func_arg = show_demuxers }, "show available demuxers" }, \ { "devices", OPT_TYPE_FUNC, OPT_EXIT, { .func_arg = show_devices }, "show available devices" }, \ { "codecs", OPT_TYPE_FUNC, OPT_EXIT | OPT_EXPERT, { .func_arg = show_codecs }, "show available codecs" }, \ { "decoders", OPT_TYPE_FUNC, OPT_EXIT, { .func_arg = show_decoders }, "show available decoders" }, \ { "encoders", OPT_TYPE_FUNC, OPT_EXIT, { .func_arg = show_encoders }, "show available encoders" }, \ { "bsfs", OPT_TYPE_FUNC, OPT_EXIT | OPT_EXPERT, { .func_arg = show_bsfs }, "show available bit stream filters" }, \ { "protocols", OPT_TYPE_FUNC, OPT_EXIT | OPT_EXPERT, { .func_arg = show_protocols }, "show available protocols" }, \ { "filters", OPT_TYPE_FUNC, OPT_EXIT, { .func_arg = show_filters }, "show available filters" }, \ { "pix_fmts", OPT_TYPE_FUNC, OPT_EXIT, { .func_arg = show_pix_fmts }, "show available pixel formats" }, \ { "layouts", OPT_TYPE_FUNC, OPT_EXIT, { .func_arg = show_layouts }, "show standard channel layouts" }, \ { "sample_fmts", OPT_TYPE_FUNC, OPT_EXIT, { .func_arg = show_sample_fmts }, "show available audio sample formats" }, \ { "dispositions", OPT_TYPE_FUNC, OPT_EXIT | OPT_EXPERT, { .func_arg = show_dispositions}, "show available stream dispositions" }, \ { "colors", OPT_TYPE_FUNC, OPT_EXIT | OPT_EXPERT, { .func_arg = show_colors }, "show available color names" }, \ { "loglevel", OPT_TYPE_FUNC, OPT_FUNC_ARG | OPT_EXPERT, { .func_arg = opt_loglevel }, "set logging level", "loglevel" }, \ { "v", OPT_TYPE_FUNC, OPT_FUNC_ARG, { .func_arg = opt_loglevel }, "set logging level", "loglevel" }, \ { "report", OPT_TYPE_FUNC, OPT_EXPERT, { .func_arg = opt_report }, "generate a report" }, \ { "max_alloc", OPT_TYPE_FUNC, OPT_FUNC_ARG | OPT_EXPERT, { .func_arg = opt_max_alloc }, "set maximum size of a single allocated block", "bytes" }, \ { "cpuflags", OPT_TYPE_FUNC, OPT_FUNC_ARG | OPT_EXPERT, { .func_arg = opt_cpuflags }, "force specific cpu flags", "flags" }, \ { "cpucount", OPT_TYPE_FUNC, OPT_FUNC_ARG | OPT_EXPERT, { .func_arg = opt_cpucount }, "force specific cpu count", "count" }, \ { "hide_banner", OPT_TYPE_BOOL, OPT_EXPERT, {&hide_banner}, "do not show program banner", "hide_banner" }, \ CMDUTILS_COMMON_OPTIONS_AVDEVICE \ #endif /* FFTOOLS_OPT_COMMON_H */