/* * Various utilities for command line tools * Copyright (c) 2000-2003 Fabrice Bellard * * 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 <string.h>#include <stdlib.h>#include <errno.h>#include <math.h> /* Include only the enabled headers since some compilers (namely, Sun Studio) will not omit unused inline functions and create undefined references to libraries that are not being built. */ #include "config.h"#include "libavformat/avformat.h"#include "libavfilter/avfilter.h"#include "libavdevice/avdevice.h"#include "libswscale/swscale.h"#include "libpostproc/postprocess.h"#include "libavutil/avstring.h"#include "libavutil/pixdesc.h"#include "libavcodec/opt.h"#include "cmdutils.h"#include "version.h"#if CONFIG_NETWORK#include "libavformat/network.h"#endif#if HAVE_SYS_RESOURCE_H#include <sys/resource.h>#endif const char **opt_names;static int opt_name_count;AVCodecContext *avcodec_opts[AVMEDIA_TYPE_NB];AVFormatContext *avformat_opts;struct SwsContext *sws_opts; const int this_year = 2010; double parse_number_or_die(const char *context, const char *numstr, int type, double min, double max){ char *tail; const char *error; double d = strtod(numstr, &tail); if (*tail) error= "Expected number for %s but found: %s\n"; else if (d < min || d > max) error= "The value for %s was %s which is not within %f - %f\n"; else if(type == OPT_INT64 && (int64_t)d != d) error= "Expected int64 for %s but found %s\n"; else return d; fprintf(stderr, error, context, numstr, min, max); exit(1);} int64_t parse_time_or_die(const char *context, const char *timestr, int is_duration){ int64_t us = parse_date(timestr, is_duration); if (us == INT64_MIN) { fprintf(stderr, "Invalid %s specification for %s: %s\n", is_duration ? "duration" : "date", context, timestr); exit(1); } return us;} void show_help_options(const OptionDef *options, const char *msg, int mask, int value){ const OptionDef *po; int first; first = 1; for(po = options; po->name != NULL; po++) { char buf[64]; if ((po->flags & mask) == value) { if (first) { printf("%s", msg); first = 0; } av_strlcpy(buf, po->name, sizeof(buf)); if (po->flags & HAS_ARG) { av_strlcat(buf, " ", sizeof(buf)); av_strlcat(buf, po->argname, sizeof(buf)); } printf("-%-17s %s\n", buf, po->help); } }} static const OptionDef* find_option(const OptionDef *po, const char *name){ while (po->name != NULL) { if (!strcmp(name, po->name)) break; po++; } return po;} void parse_options(int argc, char **argv, const OptionDef *options, void (* parse_arg_function)(const char*)){ const char *opt, *arg; int optindex, handleoptions=1; const OptionDef *po; /* parse options */ optindex = 1; while (optindex < argc) { opt = argv[optindex++]; if (handleoptions && opt[0] == '-' && opt[1] != '\0') { int bool_val = 1; if (opt[1] == '-' && opt[2] == '\0') { handleoptions = 0; continue; } opt++; po= find_option(options, opt); if (!po->name && opt[0] == 'n' && opt[1] == 'o') { /* handle 'no' bool option */ po = find_option(options, opt + 2); if (!(po->name && (po->flags & OPT_BOOL))) goto unknown_opt; bool_val = 0; } if (!po->name) po= find_option(options, "default"); if (!po->name) {unknown_opt: fprintf(stderr, "%s: unrecognized option '%s'\n", argv[0], opt); exit(1); } arg = NULL; if (po->flags & HAS_ARG) { arg = argv[optindex++]; if (!arg) { fprintf(stderr, "%s: missing argument for option '%s'\n", argv[0], opt); exit(1); } } if (po->flags & OPT_STRING) { char *str; str = av_strdup(arg); *po->u.str_arg = str; } else if (po->flags & OPT_BOOL) { *po->u.int_arg = bool_val; } else if (po->flags & OPT_INT) { *po->u.int_arg = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX); } else if (po->flags & OPT_INT64) { *po->u.int64_arg = parse_number_or_die(opt, arg, OPT_INT64, INT64_MIN, INT64_MAX); } else if (po->flags & OPT_FLOAT) { *po->u.float_arg = parse_number_or_die(opt, arg, OPT_FLOAT, -1.0/0.0, 1.0/0.0); } else if (po->flags & OPT_FUNC2) { if (po->u.func2_arg(opt, arg) < 0) { fprintf(stderr, "%s: failed to set value '%s' for option '%s'\n", argv[0], arg, opt); exit(1); } } else { po->u.func_arg(arg); } if(po->flags & OPT_EXIT) exit(0); } else { if (parse_arg_function) parse_arg_function(opt); } }} int opt_default(const char *opt, const char *arg){ int type; int ret= 0; const AVOption *o= NULL; int opt_types[]={AV_OPT_FLAG_VIDEO_PARAM, AV_OPT_FLAG_AUDIO_PARAM, 0, AV_OPT_FLAG_SUBTITLE_PARAM, 0}; for(type=0; type<AVMEDIA_TYPE_NB && ret>= 0; type++){ const AVOption *o2 = av_find_opt(avcodec_opts[0], opt, NULL, opt_types[type], opt_types[type]); if(o2) ret = av_set_string3(avcodec_opts[type], opt, arg, 1, &o); } if(!o) ret = av_set_string3(avformat_opts, opt, arg, 1, &o); if(!o && sws_opts) ret = av_set_string3(sws_opts, opt, arg, 1, &o); if(!o){ if(opt[0] == 'a') ret = av_set_string3(avcodec_opts[AVMEDIA_TYPE_AUDIO], opt+1, arg, 1, &o); else if(opt[0] == 'v') ret = av_set_string3(avcodec_opts[AVMEDIA_TYPE_VIDEO], opt+1, arg, 1, &o); else if(opt[0] == 's') ret = av_set_string3(avcodec_opts[AVMEDIA_TYPE_SUBTITLE], opt+1, arg, 1, &o); } if (o && ret < 0) { fprintf(stderr, "Invalid value '%s' for option '%s'\n", arg, opt); exit(1); } if (!o) { fprintf(stderr, "Unrecognized option '%s'\n", opt); exit(1); } // av_log(NULL, AV_LOG_ERROR, "%s:%s: %f 0x%0X\n", opt, arg, av_get_double(avcodec_opts, opt, NULL), (int)av_get_int(avcodec_opts, opt, NULL)); //FIXME we should always use avcodec_opts, ... for storing options so there will not be any need to keep track of what i set over this opt_names= av_realloc(opt_names, sizeof(void*)*(opt_name_count+1)); opt_names[opt_name_count++]= o->name; if(avcodec_opts[0]->debug || avformat_opts->debug) av_log_set_level(AV_LOG_DEBUG); return 0;} int opt_loglevel(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 }, }; char *tail; int level; int i; for (i = 0; i < FF_ARRAY_ELEMS(log_levels); i++) { if (!strcmp(log_levels[i].name, arg)) { av_log_set_level(log_levels[i].level); return 0; } } level = strtol(arg, &tail, 10); if (*tail) { fprintf(stderr, "Invalid loglevel \"%s\". " "Possible levels are numbers or:\n", arg); for (i = 0; i < FF_ARRAY_ELEMS(log_levels); i++) fprintf(stderr, "\"%s\"\n", log_levels[i].name); exit(1); } av_log_set_level(level); return 0;} int opt_timelimit(const char *opt, const char *arg){#if HAVE_SETRLIMIT int lim = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX); struct rlimit rl = { lim, lim + 1 }; if (setrlimit(RLIMIT_CPU, &rl)) perror("setrlimit");#else fprintf(stderr, "Warning: -%s not implemented on this OS\n", opt);#endif return 0;} void set_context_opts(void *ctx, void *opts_ctx, int flags){ int i; for(i=0; i<opt_name_count; i++){ char buf[256]; const AVOption *opt; const char *str= av_get_string(opts_ctx, opt_names[i], &opt, buf, sizeof(buf)); /* if an option with name opt_names[i] is present in opts_ctx then str is non-NULL */ if(str && ((opt->flags & flags) == flags)) av_set_string3(ctx, opt_names[i], str, 1, NULL); }} void print_error(const char *filename, int err){ char errbuf[128]; const char *errbuf_ptr = errbuf; if (av_strerror(err, errbuf, sizeof(errbuf)) < 0) errbuf_ptr = strerror(AVUNERROR(err)); fprintf(stderr, "%s: %s\n", filename, errbuf_ptr);} #define PRINT_LIB_VERSION(outstream,libname,LIBNAME,indent) \ if (CONFIG_##LIBNAME) { \ unsigned int version = libname##_version(); \ fprintf(outstream, "%slib%-10s %2d.%2d.%2d / %2d.%2d.%2d\n", \ indent? " " : "", #libname, \ LIB##LIBNAME##_VERSION_MAJOR, \ LIB##LIBNAME##_VERSION_MINOR, \ LIB##LIBNAME##_VERSION_MICRO, \ version >> 16, version >> 8 & 0xff, version & 0xff); \ } static void print_all_lib_versions(FILE* outstream, int indent){ PRINT_LIB_VERSION(outstream, avutil, AVUTIL, indent); PRINT_LIB_VERSION(outstream, avcodec, AVCODEC, indent); PRINT_LIB_VERSION(outstream, avformat, AVFORMAT, indent); PRINT_LIB_VERSION(outstream, avdevice, AVDEVICE, indent); PRINT_LIB_VERSION(outstream, avfilter, AVFILTER, indent); PRINT_LIB_VERSION(outstream, swscale, SWSCALE, indent); PRINT_LIB_VERSION(outstream, postproc, POSTPROC, indent);} static void maybe_print_config(const char *lib, const char *cfg){ static int warned_cfg; if (strcmp(FFMPEG_CONFIGURATION, cfg)) { if (!warned_cfg) { fprintf(stderr, " WARNING: library configuration mismatch\n"); warned_cfg = 1; } fprintf(stderr, " %-11s configuration: %s\n", lib, cfg); }} #define PRINT_LIB_CONFIG(lib, tag, cfg) do { \ if (CONFIG_##lib) \ maybe_print_config(tag, cfg); \ } while (0) void show_banner(void){ fprintf(stderr, "%s version " FFMPEG_VERSION ", Copyright (c) %d-%d the FFmpeg developers\n", program_name, program_birth_year, this_year); fprintf(stderr, " built on %s %s with %s %s\n", __DATE__, __TIME__, CC_TYPE, CC_VERSION); fprintf(stderr, " configuration: " FFMPEG_CONFIGURATION "\n"); PRINT_LIB_CONFIG(AVUTIL, "libavutil", avutil_configuration()); PRINT_LIB_CONFIG(AVCODEC, "libavcodec", avcodec_configuration()); PRINT_LIB_CONFIG(AVFORMAT, "libavformat", avformat_configuration()); PRINT_LIB_CONFIG(AVDEVICE, "libavdevice", avdevice_configuration()); PRINT_LIB_CONFIG(AVFILTER, "libavfilter", avfilter_configuration()); PRINT_LIB_CONFIG(SWSCALE, "libswscale", swscale_configuration()); PRINT_LIB_CONFIG(POSTPROC, "libpostproc", postproc_configuration()); print_all_lib_versions(stderr, 1);} void show_version(void) { printf("%s " FFMPEG_VERSION "\n", program_name); print_all_lib_versions(stdout, 0);} void show_license(void){ printf(#if CONFIG_NONFREE "This version of %s has nonfree parts compiled in.\n" "Therefore it is not legally redistributable.\n", program_name#elif CONFIG_GPLV3 "%s is free software; you can redistribute it and/or modify\n" "it under the terms of the GNU General Public License as published by\n" "the Free Software Foundation; either version 3 of the License, or\n" "(at your option) any later version.\n" "\n" "%s is distributed in the hope that it will be useful,\n" "but WITHOUT ANY WARRANTY; without even the implied warranty of\n" "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n" "GNU General Public License for more details.\n" "\n" "You should have received a copy of the GNU General Public License\n" "along with %s. If not, see <http://www.gnu.org/licenses/>.\n", program_name, program_name, program_name#elif CONFIG_GPL "%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 "%s is free software; you can redistribute it and/or modify\n" "it under the terms of the GNU Lesser General Public License as published by\n" "the Free Software Foundation; either version 3 of the License, or\n" "(at your option) any later version.\n" "\n" "%s is distributed in the hope that it will be useful,\n" "but WITHOUT ANY WARRANTY; without even the implied warranty of\n" "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n" "GNU Lesser General Public License for more details.\n" "\n" "You should have received a copy of the GNU Lesser General Public License\n" "along with %s. If not, see <http://www.gnu.org/licenses/>.\n", program_name, program_name, program_name#else "%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 );} void list_fmts(void (*get_fmt_string)(char *buf, int buf_size, int fmt), int nb_fmts){ int i; char fmt_str[128]; for (i=-1; i < nb_fmts; i++) { get_fmt_string (fmt_str, sizeof(fmt_str), i); fprintf(stdout, "%s\n", fmt_str); }} void show_formats(void){ AVInputFormat *ifmt=NULL; AVOutputFormat *ofmt=NULL; const char *last_name; printf( "File formats:\n" " D. = Demuxing supported\n" " .E = Muxing supported\n" " --\n"); last_name= "000"; for(;;){ int decode=0; int encode=0; const char *name=NULL; const char *long_name=NULL; while((ofmt= av_oformat_next(ofmt))) { if((name == NULL || strcmp(ofmt->name, name)<0) && strcmp(ofmt->name, last_name)>0){ name= ofmt->name; long_name= ofmt->long_name; encode=1; } } while((ifmt= av_iformat_next(ifmt))) { if((name == NULL || 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==NULL) break; last_name= name; printf( " %s%s %-15s %s\n", decode ? "D":" ", encode ? "E":" ", name, long_name ? long_name:" "); }} void show_codecs(void){ AVCodec *p=NULL, *p2; const char *last_name; printf( "Codecs:\n" " D..... = Decoding supported\n" " .E.... = Encoding supported\n" " ..V... = Video codec\n"Lines 1–500 of 664. Load more
/* * Various utilities for command line tools * Copyright (c) 2000-2003 Fabrice Bellard * * 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 <string.h> #include <stdlib.h> #include <errno.h> #include <math.h> /* Include only the enabled headers since some compilers (namely, Sun Studio) will not omit unused inline functions and create undefined references to libraries that are not being built. */ #include "config.h" #include "libavformat/avformat.h" #include "libavfilter/avfilter.h" #include "libavdevice/avdevice.h" #include "libswscale/swscale.h" #include "libpostproc/postprocess.h" #include "libavutil/avstring.h" #include "libavutil/pixdesc.h" #include "libavcodec/opt.h" #include "cmdutils.h" #include "version.h" #if CONFIG_NETWORK #include "libavformat/network.h" #endif #if HAVE_SYS_RESOURCE_H #include <sys/resource.h> #endif const char **opt_names; static int opt_name_count; AVCodecContext *avcodec_opts[AVMEDIA_TYPE_NB]; AVFormatContext *avformat_opts; struct SwsContext *sws_opts; const int this_year = 2010; double parse_number_or_die(const char *context, const char *numstr, int type, double min, double max) { char *tail; const char *error; double d = strtod(numstr, &tail); if (*tail) error= "Expected number for %s but found: %s\n"; else if (d < min || d > max) error= "The value for %s was %s which is not within %f - %f\n"; else if(type == OPT_INT64 && (int64_t)d != d) error= "Expected int64 for %s but found %s\n"; else return d; fprintf(stderr, error, context, numstr, min, max); exit(1); } int64_t parse_time_or_die(const char *context, const char *timestr, int is_duration) { int64_t us = parse_date(timestr, is_duration); if (us == INT64_MIN) { fprintf(stderr, "Invalid %s specification for %s: %s\n", is_duration ? "duration" : "date", context, timestr); exit(1); } return us; } void show_help_options(const OptionDef *options, const char *msg, int mask, int value) { const OptionDef *po; int first; first = 1; for(po = options; po->name != NULL; po++) { char buf[64]; if ((po->flags & mask) == value) { if (first) { printf("%s", msg); first = 0; } av_strlcpy(buf, po->name, sizeof(buf)); if (po->flags & HAS_ARG) { av_strlcat(buf, " ", sizeof(buf)); av_strlcat(buf, po->argname, sizeof(buf)); } printf("-%-17s %s\n", buf, po->help); } } } static const OptionDef* find_option(const OptionDef *po, const char *name){ while (po->name != NULL) { if (!strcmp(name, po->name)) break; po++; } return po; } void parse_options(int argc, char **argv, const OptionDef *options, void (* parse_arg_function)(const char*)) { const char *opt, *arg; int optindex, handleoptions=1; const OptionDef *po; /* parse options */ optindex = 1; while (optindex < argc) { opt = argv[optindex++]; if (handleoptions && opt[0] == '-' && opt[1] != '\0') { int bool_val = 1; if (opt[1] == '-' && opt[2] == '\0') { handleoptions = 0; continue; } opt++; po= find_option(options, opt); if (!po->name && opt[0] == 'n' && opt[1] == 'o') { /* handle 'no' bool option */ po = find_option(options, opt + 2); if (!(po->name && (po->flags & OPT_BOOL))) goto unknown_opt; bool_val = 0; } if (!po->name) po= find_option(options, "default"); if (!po->name) { unknown_opt: fprintf(stderr, "%s: unrecognized option '%s'\n", argv[0], opt); exit(1); } arg = NULL; if (po->flags & HAS_ARG) { arg = argv[optindex++]; if (!arg) { fprintf(stderr, "%s: missing argument for option '%s'\n", argv[0], opt); exit(1); } } if (po->flags & OPT_STRING) { char *str; str = av_strdup(arg); *po->u.str_arg = str; } else if (po->flags & OPT_BOOL) { *po->u.int_arg = bool_val; } else if (po->flags & OPT_INT) { *po->u.int_arg = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX); } else if (po->flags & OPT_INT64) { *po->u.int64_arg = parse_number_or_die(opt, arg, OPT_INT64, INT64_MIN, INT64_MAX); } else if (po->flags & OPT_FLOAT) { *po->u.float_arg = parse_number_or_die(opt, arg, OPT_FLOAT, -1.0/0.0, 1.0/0.0); } else if (po->flags & OPT_FUNC2) { if (po->u.func2_arg(opt, arg) < 0) { fprintf(stderr, "%s: failed to set value '%s' for option '%s'\n", argv[0], arg, opt); exit(1); } } else { po->u.func_arg(arg); } if(po->flags & OPT_EXIT) exit(0); } else { if (parse_arg_function) parse_arg_function(opt); } } } int opt_default(const char *opt, const char *arg){ int type; int ret= 0; const AVOption *o= NULL; int opt_types[]={AV_OPT_FLAG_VIDEO_PARAM, AV_OPT_FLAG_AUDIO_PARAM, 0, AV_OPT_FLAG_SUBTITLE_PARAM, 0}; for(type=0; type<AVMEDIA_TYPE_NB && ret>= 0; type++){ const AVOption *o2 = av_find_opt(avcodec_opts[0], opt, NULL, opt_types[type], opt_types[type]); if(o2) ret = av_set_string3(avcodec_opts[type], opt, arg, 1, &o); } if(!o) ret = av_set_string3(avformat_opts, opt, arg, 1, &o); if(!o && sws_opts) ret = av_set_string3(sws_opts, opt, arg, 1, &o); if(!o){ if(opt[0] == 'a') ret = av_set_string3(avcodec_opts[AVMEDIA_TYPE_AUDIO], opt+1, arg, 1, &o); else if(opt[0] == 'v') ret = av_set_string3(avcodec_opts[AVMEDIA_TYPE_VIDEO], opt+1, arg, 1, &o); else if(opt[0] == 's') ret = av_set_string3(avcodec_opts[AVMEDIA_TYPE_SUBTITLE], opt+1, arg, 1, &o); } if (o && ret < 0) { fprintf(stderr, "Invalid value '%s' for option '%s'\n", arg, opt); exit(1); } if (!o) { fprintf(stderr, "Unrecognized option '%s'\n", opt); exit(1); } // av_log(NULL, AV_LOG_ERROR, "%s:%s: %f 0x%0X\n", opt, arg, av_get_double(avcodec_opts, opt, NULL), (int)av_get_int(avcodec_opts, opt, NULL)); //FIXME we should always use avcodec_opts, ... for storing options so there will not be any need to keep track of what i set over this opt_names= av_realloc(opt_names, sizeof(void*)*(opt_name_count+1)); opt_names[opt_name_count++]= o->name; if(avcodec_opts[0]->debug || avformat_opts->debug) av_log_set_level(AV_LOG_DEBUG); return 0; } int opt_loglevel(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 }, }; char *tail; int level; int i; for (i = 0; i < FF_ARRAY_ELEMS(log_levels); i++) { if (!strcmp(log_levels[i].name, arg)) { av_log_set_level(log_levels[i].level); return 0; } } level = strtol(arg, &tail, 10); if (*tail) { fprintf(stderr, "Invalid loglevel \"%s\". " "Possible levels are numbers or:\n", arg); for (i = 0; i < FF_ARRAY_ELEMS(log_levels); i++) fprintf(stderr, "\"%s\"\n", log_levels[i].name); exit(1); } av_log_set_level(level); return 0; } int opt_timelimit(const char *opt, const char *arg) { #if HAVE_SETRLIMIT int lim = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX); struct rlimit rl = { lim, lim + 1 }; if (setrlimit(RLIMIT_CPU, &rl)) perror("setrlimit"); #else fprintf(stderr, "Warning: -%s not implemented on this OS\n", opt); #endif return 0; } void set_context_opts(void *ctx, void *opts_ctx, int flags) { int i; for(i=0; i<opt_name_count; i++){ char buf[256]; const AVOption *opt; const char *str= av_get_string(opts_ctx, opt_names[i], &opt, buf, sizeof(buf)); /* if an option with name opt_names[i] is present in opts_ctx then str is non-NULL */ if(str && ((opt->flags & flags) == flags)) av_set_string3(ctx, opt_names[i], str, 1, NULL); } } void print_error(const char *filename, int err) { char errbuf[128]; const char *errbuf_ptr = errbuf; if (av_strerror(err, errbuf, sizeof(errbuf)) < 0) errbuf_ptr = strerror(AVUNERROR(err)); fprintf(stderr, "%s: %s\n", filename, errbuf_ptr); } #define PRINT_LIB_VERSION(outstream,libname,LIBNAME,indent) \ if (CONFIG_##LIBNAME) { \ unsigned int version = libname##_version(); \ fprintf(outstream, "%slib%-10s %2d.%2d.%2d / %2d.%2d.%2d\n", \ indent? " " : "", #libname, \ LIB##LIBNAME##_VERSION_MAJOR, \ LIB##LIBNAME##_VERSION_MINOR, \ LIB##LIBNAME##_VERSION_MICRO, \ version >> 16, version >> 8 & 0xff, version & 0xff); \ } static void print_all_lib_versions(FILE* outstream, int indent) { PRINT_LIB_VERSION(outstream, avutil, AVUTIL, indent); PRINT_LIB_VERSION(outstream, avcodec, AVCODEC, indent); PRINT_LIB_VERSION(outstream, avformat, AVFORMAT, indent); PRINT_LIB_VERSION(outstream, avdevice, AVDEVICE, indent); PRINT_LIB_VERSION(outstream, avfilter, AVFILTER, indent); PRINT_LIB_VERSION(outstream, swscale, SWSCALE, indent); PRINT_LIB_VERSION(outstream, postproc, POSTPROC, indent); } static void maybe_print_config(const char *lib, const char *cfg) { static int warned_cfg; if (strcmp(FFMPEG_CONFIGURATION, cfg)) { if (!warned_cfg) { fprintf(stderr, " WARNING: library configuration mismatch\n"); warned_cfg = 1; } fprintf(stderr, " %-11s configuration: %s\n", lib, cfg); } } #define PRINT_LIB_CONFIG(lib, tag, cfg) do { \ if (CONFIG_##lib) \ maybe_print_config(tag, cfg); \ } while (0) void show_banner(void) { fprintf(stderr, "%s version " FFMPEG_VERSION ", Copyright (c) %d-%d the FFmpeg developers\n", program_name, program_birth_year, this_year); fprintf(stderr, " built on %s %s with %s %s\n", __DATE__, __TIME__, CC_TYPE, CC_VERSION); fprintf(stderr, " configuration: " FFMPEG_CONFIGURATION "\n"); PRINT_LIB_CONFIG(AVUTIL, "libavutil", avutil_configuration()); PRINT_LIB_CONFIG(AVCODEC, "libavcodec", avcodec_configuration()); PRINT_LIB_CONFIG(AVFORMAT, "libavformat", avformat_configuration()); PRINT_LIB_CONFIG(AVDEVICE, "libavdevice", avdevice_configuration()); PRINT_LIB_CONFIG(AVFILTER, "libavfilter", avfilter_configuration()); PRINT_LIB_CONFIG(SWSCALE, "libswscale", swscale_configuration()); PRINT_LIB_CONFIG(POSTPROC, "libpostproc", postproc_configuration()); print_all_lib_versions(stderr, 1); } void show_version(void) { printf("%s " FFMPEG_VERSION "\n", program_name); print_all_lib_versions(stdout, 0); } void show_license(void) { printf( #if CONFIG_NONFREE "This version of %s has nonfree parts compiled in.\n" "Therefore it is not legally redistributable.\n", program_name #elif CONFIG_GPLV3 "%s is free software; you can redistribute it and/or modify\n" "it under the terms of the GNU General Public License as published by\n" "the Free Software Foundation; either version 3 of the License, or\n" "(at your option) any later version.\n" "\n" "%s is distributed in the hope that it will be useful,\n" "but WITHOUT ANY WARRANTY; without even the implied warranty of\n" "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n" "GNU General Public License for more details.\n" "\n" "You should have received a copy of the GNU General Public License\n" "along with %s. If not, see <http://www.gnu.org/licenses/>.\n", program_name, program_name, program_name #elif CONFIG_GPL "%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 "%s is free software; you can redistribute it and/or modify\n" "it under the terms of the GNU Lesser General Public License as published by\n" "the Free Software Foundation; either version 3 of the License, or\n" "(at your option) any later version.\n" "\n" "%s is distributed in the hope that it will be useful,\n" "but WITHOUT ANY WARRANTY; without even the implied warranty of\n" "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n" "GNU Lesser General Public License for more details.\n" "\n" "You should have received a copy of the GNU Lesser General Public License\n" "along with %s. If not, see <http://www.gnu.org/licenses/>.\n", program_name, program_name, program_name #else "%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 ); } void list_fmts(void (*get_fmt_string)(char *buf, int buf_size, int fmt), int nb_fmts) { int i; char fmt_str[128]; for (i=-1; i < nb_fmts; i++) { get_fmt_string (fmt_str, sizeof(fmt_str), i); fprintf(stdout, "%s\n", fmt_str); } } void show_formats(void) { AVInputFormat *ifmt=NULL; AVOutputFormat *ofmt=NULL; const char *last_name; printf( "File formats:\n" " D. = Demuxing supported\n" " .E = Muxing supported\n" " --\n"); last_name= "000"; for(;;){ int decode=0; int encode=0; const char *name=NULL; const char *long_name=NULL; while((ofmt= av_oformat_next(ofmt))) { if((name == NULL || strcmp(ofmt->name, name)<0) && strcmp(ofmt->name, last_name)>0){ name= ofmt->name; long_name= ofmt->long_name; encode=1; } } while((ifmt= av_iformat_next(ifmt))) { if((name == NULL || 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==NULL) break; last_name= name; printf( " %s%s %-15s %s\n", decode ? "D":" ", encode ? "E":" ", name, long_name ? long_name:" "); } } void show_codecs(void) { AVCodec *p=NULL, *p2; const char *last_name; printf( "Codecs:\n" " D..... = Decoding supported\n" " .E.... = Encoding supported\n" " ..V... = Video codec\n"