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641 lines
21 KiB
641 lines
21 KiB
/* |
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* Various utilities for command line tools |
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* Copyright (c) 2000-2003 Fabrice Bellard |
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* |
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* This file is part of FFmpeg. |
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* |
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* FFmpeg is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Lesser General Public |
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* License as published by the Free Software Foundation; either |
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* version 2.1 of the License, or (at your option) any later version. |
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* |
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* FFmpeg is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with FFmpeg; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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*/ |
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|
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#include <string.h> |
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#include <stdlib.h> |
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#include <errno.h> |
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#include <math.h> |
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|
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/* Include only the enabled headers since some compilers (namely, Sun |
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Studio) will not omit unused inline functions and create undefined |
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references to libraries that are not being built. */ |
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|
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#include "config.h" |
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#include "libavformat/avformat.h" |
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#include "libavfilter/avfilter.h" |
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#include "libavdevice/avdevice.h" |
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#include "libswscale/swscale.h" |
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#include "libpostproc/postprocess.h" |
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#include "libavutil/avstring.h" |
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#include "libavcodec/opt.h" |
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#include "cmdutils.h" |
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#include "version.h" |
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#if CONFIG_NETWORK |
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#include "libavformat/network.h" |
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#endif |
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#if HAVE_SYS_RESOURCE_H |
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#include <sys/resource.h> |
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#endif |
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|
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#undef exit |
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|
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const char **opt_names; |
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static int opt_name_count; |
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AVCodecContext *avcodec_opts[CODEC_TYPE_NB]; |
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AVFormatContext *avformat_opts; |
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struct SwsContext *sws_opts; |
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|
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const int this_year = 2010; |
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|
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double parse_number_or_die(const char *context, const char *numstr, int type, double min, double max) |
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{ |
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char *tail; |
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const char *error; |
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double d = strtod(numstr, &tail); |
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if (*tail) |
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error= "Expected number for %s but found: %s\n"; |
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else if (d < min || d > max) |
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error= "The value for %s was %s which is not within %f - %f\n"; |
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else if(type == OPT_INT64 && (int64_t)d != d) |
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error= "Expected int64 for %s but found %s\n"; |
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else |
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return d; |
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fprintf(stderr, error, context, numstr, min, max); |
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exit(1); |
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} |
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|
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int64_t parse_time_or_die(const char *context, const char *timestr, int is_duration) |
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{ |
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int64_t us = parse_date(timestr, is_duration); |
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if (us == INT64_MIN) { |
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fprintf(stderr, "Invalid %s specification for %s: %s\n", |
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is_duration ? "duration" : "date", context, timestr); |
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exit(1); |
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} |
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return us; |
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} |
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|
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void show_help_options(const OptionDef *options, const char *msg, int mask, int value) |
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{ |
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const OptionDef *po; |
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int first; |
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first = 1; |
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for(po = options; po->name != NULL; po++) { |
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char buf[64]; |
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if ((po->flags & mask) == value) { |
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if (first) { |
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printf("%s", msg); |
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first = 0; |
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} |
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av_strlcpy(buf, po->name, sizeof(buf)); |
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if (po->flags & HAS_ARG) { |
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av_strlcat(buf, " ", sizeof(buf)); |
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av_strlcat(buf, po->argname, sizeof(buf)); |
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} |
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printf("-%-17s %s\n", buf, po->help); |
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} |
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} |
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} |
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static const OptionDef* find_option(const OptionDef *po, const char *name){ |
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while (po->name != NULL) { |
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if (!strcmp(name, po->name)) |
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break; |
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po++; |
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} |
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return po; |
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} |
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|
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void parse_options(int argc, char **argv, const OptionDef *options, |
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void (* parse_arg_function)(const char*)) |
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{ |
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const char *opt, *arg; |
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int optindex, handleoptions=1; |
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const OptionDef *po; |
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/* parse options */ |
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optindex = 1; |
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while (optindex < argc) { |
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opt = argv[optindex++]; |
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if (handleoptions && opt[0] == '-' && opt[1] != '\0') { |
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int bool_val = 1; |
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if (opt[1] == '-' && opt[2] == '\0') { |
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handleoptions = 0; |
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continue; |
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} |
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opt++; |
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po= find_option(options, opt); |
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if (!po->name && opt[0] == 'n' && opt[1] == 'o') { |
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/* handle 'no' bool option */ |
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po = find_option(options, opt + 2); |
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if (!(po->name && (po->flags & OPT_BOOL))) |
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goto unknown_opt; |
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bool_val = 0; |
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} |
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if (!po->name) |
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po= find_option(options, "default"); |
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if (!po->name) { |
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unknown_opt: |
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fprintf(stderr, "%s: unrecognized option '%s'\n", argv[0], opt); |
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exit(1); |
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} |
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arg = NULL; |
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if (po->flags & HAS_ARG) { |
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arg = argv[optindex++]; |
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if (!arg) { |
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fprintf(stderr, "%s: missing argument for option '%s'\n", argv[0], opt); |
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exit(1); |
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} |
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} |
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if (po->flags & OPT_STRING) { |
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char *str; |
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str = av_strdup(arg); |
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*po->u.str_arg = str; |
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} else if (po->flags & OPT_BOOL) { |
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*po->u.int_arg = bool_val; |
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} else if (po->flags & OPT_INT) { |
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*po->u.int_arg = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX); |
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} else if (po->flags & OPT_INT64) { |
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*po->u.int64_arg = parse_number_or_die(opt, arg, OPT_INT64, INT64_MIN, INT64_MAX); |
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} else if (po->flags & OPT_FLOAT) { |
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*po->u.float_arg = parse_number_or_die(opt, arg, OPT_FLOAT, -1.0/0.0, 1.0/0.0); |
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} else if (po->flags & OPT_FUNC2) { |
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if(po->u.func2_arg(opt, arg)<0) |
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goto unknown_opt; |
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} else { |
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po->u.func_arg(arg); |
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} |
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if(po->flags & OPT_EXIT) |
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exit(0); |
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} else { |
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if (parse_arg_function) |
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parse_arg_function(opt); |
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} |
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} |
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} |
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int opt_default(const char *opt, const char *arg){ |
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int type; |
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int ret= 0; |
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const AVOption *o= NULL; |
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int opt_types[]={AV_OPT_FLAG_VIDEO_PARAM, AV_OPT_FLAG_AUDIO_PARAM, 0, AV_OPT_FLAG_SUBTITLE_PARAM, 0}; |
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for(type=0; type<CODEC_TYPE_NB && ret>= 0; type++){ |
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const AVOption *o2 = av_find_opt(avcodec_opts[0], opt, NULL, opt_types[type], opt_types[type]); |
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if(o2) |
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ret = av_set_string3(avcodec_opts[type], opt, arg, 1, &o); |
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} |
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if(!o) |
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ret = av_set_string3(avformat_opts, opt, arg, 1, &o); |
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if(!o) |
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ret = av_set_string3(sws_opts, opt, arg, 1, &o); |
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if(!o){ |
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if(opt[0] == 'a') |
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ret = av_set_string3(avcodec_opts[CODEC_TYPE_AUDIO], opt+1, arg, 1, &o); |
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else if(opt[0] == 'v') |
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ret = av_set_string3(avcodec_opts[CODEC_TYPE_VIDEO], opt+1, arg, 1, &o); |
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else if(opt[0] == 's') |
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ret = av_set_string3(avcodec_opts[CODEC_TYPE_SUBTITLE], opt+1, arg, 1, &o); |
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} |
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if (o && ret < 0) { |
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fprintf(stderr, "Invalid value '%s' for option '%s'\n", arg, opt); |
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exit(1); |
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} |
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if(!o) |
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return -1; |
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// 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)); |
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//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 |
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opt_names= av_realloc(opt_names, sizeof(void*)*(opt_name_count+1)); |
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opt_names[opt_name_count++]= o->name; |
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if(avcodec_opts[0]->debug || avformat_opts->debug) |
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av_log_set_level(AV_LOG_DEBUG); |
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return 0; |
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} |
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int opt_loglevel(const char *opt, const char *arg) |
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{ |
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const struct { const char *name; int level; } log_levels[] = { |
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{ "quiet" , AV_LOG_QUIET }, |
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{ "panic" , AV_LOG_PANIC }, |
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{ "fatal" , AV_LOG_FATAL }, |
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{ "error" , AV_LOG_ERROR }, |
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{ "warning", AV_LOG_WARNING }, |
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{ "info" , AV_LOG_INFO }, |
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{ "verbose", AV_LOG_VERBOSE }, |
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{ "debug" , AV_LOG_DEBUG }, |
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}; |
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char *tail; |
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int level; |
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int i; |
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for (i = 0; i < FF_ARRAY_ELEMS(log_levels); i++) { |
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if (!strcmp(log_levels[i].name, arg)) { |
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av_log_set_level(log_levels[i].level); |
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return 0; |
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} |
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} |
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level = strtol(arg, &tail, 10); |
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if (*tail) { |
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fprintf(stderr, "Invalid loglevel \"%s\". " |
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"Possible levels are numbers or:\n", arg); |
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for (i = 0; i < FF_ARRAY_ELEMS(log_levels); i++) |
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fprintf(stderr, "\"%s\"\n", log_levels[i].name); |
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exit(1); |
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} |
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av_log_set_level(level); |
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return 0; |
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} |
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int opt_timelimit(const char *opt, const char *arg) |
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{ |
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#if HAVE_SYS_RESOURCE_H |
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int lim = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX); |
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struct rlimit rl = { lim, lim + 1 }; |
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if (setrlimit(RLIMIT_CPU, &rl)) |
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perror("setrlimit"); |
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#else |
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fprintf(stderr, "Warning: -%s not implemented on this OS\n", opt); |
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#endif |
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return 0; |
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} |
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void set_context_opts(void *ctx, void *opts_ctx, int flags) |
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{ |
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int i; |
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for(i=0; i<opt_name_count; i++){ |
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char buf[256]; |
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const AVOption *opt; |
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const char *str= av_get_string(opts_ctx, opt_names[i], &opt, buf, sizeof(buf)); |
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/* if an option with name opt_names[i] is present in opts_ctx then str is non-NULL */ |
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if(str && ((opt->flags & flags) == flags)) |
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av_set_string3(ctx, opt_names[i], str, 1, NULL); |
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} |
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} |
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void print_error(const char *filename, int err) |
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{ |
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switch(err) { |
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case AVERROR_NUMEXPECTED: |
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fprintf(stderr, "%s: Incorrect image filename syntax.\n" |
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"Use '%%d' to specify the image number:\n" |
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" for img1.jpg, img2.jpg, ..., use 'img%%d.jpg';\n" |
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" for img001.jpg, img002.jpg, ..., use 'img%%03d.jpg'.\n", |
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filename); |
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break; |
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case AVERROR_INVALIDDATA: |
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fprintf(stderr, "%s: Error while parsing header\n", filename); |
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break; |
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case AVERROR_NOFMT: |
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fprintf(stderr, "%s: Unknown format\n", filename); |
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break; |
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case AVERROR(EIO): |
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fprintf(stderr, "%s: I/O error occurred\n" |
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"Usually that means that input file is truncated and/or corrupted.\n", |
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filename); |
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break; |
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case AVERROR(ENOMEM): |
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fprintf(stderr, "%s: memory allocation error occurred\n", filename); |
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break; |
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case AVERROR(ENOENT): |
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fprintf(stderr, "%s: no such file or directory\n", filename); |
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break; |
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#if CONFIG_NETWORK |
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case AVERROR(FF_NETERROR(EPROTONOSUPPORT)): |
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fprintf(stderr, "%s: Unsupported network protocol\n", filename); |
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break; |
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#endif |
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default: |
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fprintf(stderr, "%s: Error while opening file\n", filename); |
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break; |
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} |
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} |
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#define PRINT_LIB_VERSION(outstream,libname,LIBNAME,indent) \ |
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if (CONFIG_##LIBNAME) { \ |
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version= libname##_version(); \ |
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fprintf(outstream, "%slib%-10s %2d.%2d.%2d / %2d.%2d.%2d\n", \ |
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indent? " " : "", #libname, \ |
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LIB##LIBNAME##_VERSION_MAJOR, \ |
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LIB##LIBNAME##_VERSION_MINOR, \ |
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LIB##LIBNAME##_VERSION_MICRO, \ |
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version >> 16, version >> 8 & 0xff, version & 0xff); \ |
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} |
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static void print_all_lib_versions(FILE* outstream, int indent) |
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{ |
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unsigned int version; |
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PRINT_LIB_VERSION(outstream, avutil, AVUTIL, indent); |
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PRINT_LIB_VERSION(outstream, avcodec, AVCODEC, indent); |
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PRINT_LIB_VERSION(outstream, avformat, AVFORMAT, indent); |
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PRINT_LIB_VERSION(outstream, avdevice, AVDEVICE, indent); |
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PRINT_LIB_VERSION(outstream, avfilter, AVFILTER, indent); |
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PRINT_LIB_VERSION(outstream, swscale, SWSCALE, indent); |
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PRINT_LIB_VERSION(outstream, postproc, POSTPROC, indent); |
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} |
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static void maybe_print_config(const char *lib, const char *cfg) |
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{ |
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static int warned_cfg; |
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|
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if (strcmp(FFMPEG_CONFIGURATION, cfg)) { |
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if (!warned_cfg) { |
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fprintf(stderr, " WARNING: library configuration mismatch\n"); |
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warned_cfg = 1; |
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} |
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fprintf(stderr, " %-11s configuration: %s\n", lib, cfg); |
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} |
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} |
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#define PRINT_LIB_CONFIG(lib, tag, cfg) do { \ |
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if (CONFIG_##lib) \ |
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maybe_print_config(tag, cfg); \ |
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} while (0) |
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void show_banner(void) |
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{ |
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fprintf(stderr, "%s version " FFMPEG_VERSION ", Copyright (c) %d-%d Fabrice Bellard, et al.\n", |
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program_name, program_birth_year, this_year); |
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fprintf(stderr, " built on %s %s with %s %s\n", |
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__DATE__, __TIME__, CC_TYPE, CC_VERSION); |
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fprintf(stderr, " configuration: " FFMPEG_CONFIGURATION "\n"); |
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PRINT_LIB_CONFIG(AVUTIL, "libavutil", avutil_configuration()); |
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PRINT_LIB_CONFIG(AVCODEC, "libavcodec", avcodec_configuration()); |
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PRINT_LIB_CONFIG(AVFORMAT, "libavformat", avformat_configuration()); |
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PRINT_LIB_CONFIG(AVDEVICE, "libavdevice", avdevice_configuration()); |
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PRINT_LIB_CONFIG(AVFILTER, "libavfilter", avfilter_configuration()); |
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PRINT_LIB_CONFIG(SWSCALE, "libswscale", swscale_configuration()); |
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PRINT_LIB_CONFIG(POSTPROC, "libpostproc", postproc_configuration()); |
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print_all_lib_versions(stderr, 1); |
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} |
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void show_version(void) { |
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printf("%s " FFMPEG_VERSION "\n", program_name); |
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print_all_lib_versions(stdout, 0); |
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} |
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void show_license(void) |
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{ |
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printf( |
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#if CONFIG_NONFREE |
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"This version of %s has nonfree parts compiled in.\n" |
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"Therefore it is not legally redistributable.\n", |
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program_name |
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#elif CONFIG_GPLV3 |
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"%s is free software; you can redistribute it and/or modify\n" |
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"it under the terms of the GNU General Public License as published by\n" |
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"the Free Software Foundation; either version 3 of the License, or\n" |
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"(at your option) any later version.\n" |
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"\n" |
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"%s is distributed in the hope that it will be useful,\n" |
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"but WITHOUT ANY WARRANTY; without even the implied warranty of\n" |
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"MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n" |
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"GNU General Public License for more details.\n" |
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"\n" |
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"You should have received a copy of the GNU General Public License\n" |
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"along with %s. If not, see <http://www.gnu.org/licenses/>.\n", |
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program_name, program_name, program_name |
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#elif CONFIG_GPL |
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"%s is free software; you can redistribute it and/or modify\n" |
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"it under the terms of the GNU General Public License as published by\n" |
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"the Free Software Foundation; either version 2 of the License, or\n" |
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"(at your option) any later version.\n" |
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"\n" |
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"%s is distributed in the hope that it will be useful,\n" |
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"but WITHOUT ANY WARRANTY; without even the implied warranty of\n" |
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"MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n" |
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"GNU General Public License for more details.\n" |
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"\n" |
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"You should have received a copy of the GNU General Public License\n" |
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"along with %s; if not, write to the Free Software\n" |
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"Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA\n", |
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program_name, program_name, program_name |
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#elif CONFIG_LGPLV3 |
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"%s is free software; you can redistribute it and/or modify\n" |
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"it under the terms of the GNU Lesser General Public License as published by\n" |
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"the Free Software Foundation; either version 3 of the License, or\n" |
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"(at your option) any later version.\n" |
|
"\n" |
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"%s is distributed in the hope that it will be useful,\n" |
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"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" |
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"\n" |
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"You should have received a copy of the GNU Lesser General Public License\n" |
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"along with %s. If not, see <http://www.gnu.org/licenses/>.\n", |
|
program_name, program_name, program_name |
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#else |
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"%s is free software; you can redistribute it and/or\n" |
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"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", |
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program_name, program_name, program_name |
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#endif |
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); |
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} |
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|
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void list_fmts(void (*get_fmt_string)(char *buf, int buf_size, int fmt), int nb_fmts) |
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{ |
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int i; |
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char fmt_str[128]; |
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for (i=-1; i < nb_fmts; i++) { |
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get_fmt_string (fmt_str, sizeof(fmt_str), i); |
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fprintf(stdout, "%s\n", fmt_str); |
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} |
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} |
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|
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void show_formats(void) |
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{ |
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AVInputFormat *ifmt=NULL; |
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AVOutputFormat *ofmt=NULL; |
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const char *last_name; |
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|
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printf( |
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"File formats:\n" |
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" D. = Demuxing supported\n" |
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" .E = Muxing supported\n" |
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" --\n"); |
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last_name= "000"; |
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for(;;){ |
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int decode=0; |
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int encode=0; |
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const char *name=NULL; |
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const char *long_name=NULL; |
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|
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while((ofmt= av_oformat_next(ofmt))) { |
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if((name == NULL || strcmp(ofmt->name, name)<0) && |
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strcmp(ofmt->name, last_name)>0){ |
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name= ofmt->name; |
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long_name= ofmt->long_name; |
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encode=1; |
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} |
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} |
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while((ifmt= av_iformat_next(ifmt))) { |
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if((name == NULL || strcmp(ifmt->name, name)<0) && |
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strcmp(ifmt->name, last_name)>0){ |
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name= ifmt->name; |
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long_name= ifmt->long_name; |
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encode=0; |
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} |
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if(name && strcmp(ifmt->name, name)==0) |
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decode=1; |
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} |
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if(name==NULL) |
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break; |
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last_name= name; |
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|
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printf( |
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" %s%s %-15s %s\n", |
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decode ? "D":" ", |
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encode ? "E":" ", |
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name, |
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long_name ? long_name:" "); |
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} |
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} |
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|
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void show_codecs(void) |
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{ |
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AVCodec *p=NULL, *p2; |
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const char *last_name; |
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printf( |
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"Codecs:\n" |
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" D..... = Decoding supported\n" |
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" .E.... = Encoding supported\n" |
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" ..V... = Video codec\n" |
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" ..A... = Audio codec\n" |
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" ..S... = Subtitle codec\n" |
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" ...S.. = Supports draw_horiz_band\n" |
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" ....D. = Supports direct rendering method 1\n" |
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" .....T = Supports weird frame truncation\n" |
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" ------\n"); |
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last_name= "000"; |
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for(;;){ |
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int decode=0; |
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int encode=0; |
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int cap=0; |
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const char *type_str; |
|
|
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p2=NULL; |
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while((p= av_codec_next(p))) { |
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if((p2==NULL || strcmp(p->name, p2->name)<0) && |
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strcmp(p->name, last_name)>0){ |
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p2= p; |
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decode= encode= cap=0; |
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} |
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if(p2 && strcmp(p->name, p2->name)==0){ |
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if(p->decode) decode=1; |
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if(p->encode) encode=1; |
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cap |= p->capabilities; |
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} |
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} |
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if(p2==NULL) |
|
break; |
|
last_name= p2->name; |
|
|
|
switch(p2->type) { |
|
case CODEC_TYPE_VIDEO: |
|
type_str = "V"; |
|
break; |
|
case CODEC_TYPE_AUDIO: |
|
type_str = "A"; |
|
break; |
|
case CODEC_TYPE_SUBTITLE: |
|
type_str = "S"; |
|
break; |
|
default: |
|
type_str = "?"; |
|
break; |
|
} |
|
printf( |
|
" %s%s%s%s%s%s %-15s %s", |
|
decode ? "D": (/*p2->decoder ? "d":*/" "), |
|
encode ? "E":" ", |
|
type_str, |
|
cap & CODEC_CAP_DRAW_HORIZ_BAND ? "S":" ", |
|
cap & CODEC_CAP_DR1 ? "D":" ", |
|
cap & CODEC_CAP_TRUNCATED ? "T":" ", |
|
p2->name, |
|
p2->long_name ? p2->long_name : ""); |
|
/* if(p2->decoder && decode==0) |
|
printf(" use %s for decoding", p2->decoder->name);*/ |
|
printf("\n"); |
|
} |
|
printf("\n"); |
|
printf( |
|
"Note, the names of encoders and decoders do not always match, so there are\n" |
|
"several cases where the above table shows encoder only or decoder only entries\n" |
|
"even though both encoding and decoding are supported. For example, the h263\n" |
|
"decoder corresponds to the h263 and h263p encoders, for file formats it is even\n" |
|
"worse.\n"); |
|
} |
|
|
|
void show_bsfs(void) |
|
{ |
|
AVBitStreamFilter *bsf=NULL; |
|
|
|
printf("Bitstream filters:\n"); |
|
while((bsf = av_bitstream_filter_next(bsf))) |
|
printf("%s\n", bsf->name); |
|
printf("\n"); |
|
} |
|
|
|
void show_protocols(void) |
|
{ |
|
URLProtocol *up=NULL; |
|
|
|
printf("Supported file protocols:\n"); |
|
while((up = av_protocol_next(up))) |
|
printf("%s\n", up->name); |
|
printf("\n"); |
|
|
|
printf("Frame size, frame rate abbreviations:\n ntsc pal qntsc qpal sntsc spal film ntsc-film sqcif qcif cif 4cif\n"); |
|
} |
|
|
|
void show_filters(void) |
|
{ |
|
AVFilter av_unused(**filter) = NULL; |
|
|
|
printf("Filters:\n"); |
|
#if CONFIG_AVFILTER |
|
while ((filter = av_filter_next(filter)) && *filter) |
|
printf("%-16s %s\n", (*filter)->name, (*filter)->description); |
|
#endif |
|
} |
|
|
|
void show_pix_fmts(void) |
|
{ |
|
list_fmts(avcodec_pix_fmt_string, PIX_FMT_NB); |
|
} |
|
|
|
int read_yesno(void) |
|
{ |
|
int c = getchar(); |
|
int yesno = (toupper(c) == 'Y'); |
|
|
|
while (c != '\n' && c != EOF) |
|
c = getchar(); |
|
|
|
return yesno; |
|
}
|
|
|