mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-12-07 11:13:41 +02:00
1484 lines
47 KiB
C
1484 lines
47 KiB
C
/*
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* Option handlers shared between the tools.
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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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#include "config.h"
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#include <stdio.h>
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#include "cmdutils.h"
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#include "opt_common.h"
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#include "libavutil/avassert.h"
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#include "libavutil/avstring.h"
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#include "libavutil/bprint.h"
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#include "libavutil/channel_layout.h"
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#include "libavutil/cpu.h"
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#include "libavutil/dict.h"
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#include "libavutil/error.h"
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#include "libavutil/ffversion.h"
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#include "libavutil/log.h"
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#include "libavutil/mem.h"
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#include "libavutil/parseutils.h"
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#include "libavutil/pixdesc.h"
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#include "libavutil/version.h"
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#include "libavcodec/avcodec.h"
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#include "libavcodec/bsf.h"
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#include "libavcodec/codec.h"
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#include "libavcodec/codec_desc.h"
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#include "libavcodec/version.h"
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#include "libavformat/avformat.h"
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#include "libavformat/version.h"
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#include "libavdevice/avdevice.h"
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#include "libavdevice/version.h"
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#include "libavfilter/avfilter.h"
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#include "libavfilter/version.h"
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#include "libswscale/swscale.h"
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#include "libswscale/version.h"
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#include "libswresample/swresample.h"
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#include "libswresample/version.h"
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#include "libpostproc/postprocess.h"
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#include "libpostproc/version.h"
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enum show_muxdemuxers {
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SHOW_DEFAULT,
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SHOW_DEMUXERS,
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SHOW_MUXERS,
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};
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static FILE *report_file;
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static int report_file_level = AV_LOG_DEBUG;
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int show_license(void *optctx, const char *opt, const char *arg)
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{
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#if CONFIG_NONFREE
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printf(
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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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printf(
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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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printf(
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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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printf(
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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"
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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 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",
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program_name, program_name, program_name );
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#else
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printf(
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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"
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"License as published by the Free Software Foundation; either\n"
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"version 2.1 of the License, or (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 GNU\n"
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"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\n"
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"License 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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#endif
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return 0;
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}
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static int warned_cfg = 0;
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#define INDENT 1
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#define SHOW_VERSION 2
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#define SHOW_CONFIG 4
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#define SHOW_COPYRIGHT 8
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#define PRINT_LIB_INFO(libname, LIBNAME, flags, level) \
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if (CONFIG_##LIBNAME) { \
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const char *indent = flags & INDENT? " " : ""; \
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if (flags & SHOW_VERSION) { \
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unsigned int version = libname##_version(); \
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av_log(NULL, level, \
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"%slib%-11s %2d.%3d.%3d / %2d.%3d.%3d\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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AV_VERSION_MAJOR(version), AV_VERSION_MINOR(version),\
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AV_VERSION_MICRO(version)); \
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} \
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if (flags & SHOW_CONFIG) { \
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const char *cfg = libname##_configuration(); \
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if (strcmp(FFMPEG_CONFIGURATION, cfg)) { \
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if (!warned_cfg) { \
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av_log(NULL, level, \
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"%sWARNING: library configuration mismatch\n", \
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indent); \
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warned_cfg = 1; \
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} \
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av_log(NULL, level, "%s%-11s configuration: %s\n", \
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indent, #libname, cfg); \
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} \
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} \
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} \
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static void print_all_libs_info(int flags, int level)
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{
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PRINT_LIB_INFO(avutil, AVUTIL, flags, level);
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PRINT_LIB_INFO(avcodec, AVCODEC, flags, level);
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PRINT_LIB_INFO(avformat, AVFORMAT, flags, level);
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PRINT_LIB_INFO(avdevice, AVDEVICE, flags, level);
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PRINT_LIB_INFO(avfilter, AVFILTER, flags, level);
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PRINT_LIB_INFO(swscale, SWSCALE, flags, level);
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PRINT_LIB_INFO(swresample, SWRESAMPLE, flags, level);
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PRINT_LIB_INFO(postproc, POSTPROC, flags, level);
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}
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static void print_program_info(int flags, int level)
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{
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const char *indent = flags & INDENT? " " : "";
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av_log(NULL, level, "%s version " FFMPEG_VERSION, program_name);
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if (flags & SHOW_COPYRIGHT)
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av_log(NULL, level, " Copyright (c) %d-%d the FFmpeg developers",
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program_birth_year, CONFIG_THIS_YEAR);
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av_log(NULL, level, "\n");
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av_log(NULL, level, "%sbuilt with %s\n", indent, CC_IDENT);
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av_log(NULL, level, "%sconfiguration: " FFMPEG_CONFIGURATION "\n", indent);
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}
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static void print_buildconf(int flags, int level)
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{
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const char *indent = flags & INDENT ? " " : "";
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char str[] = { FFMPEG_CONFIGURATION };
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char *conflist, *remove_tilde, *splitconf;
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// Change all the ' --' strings to '~--' so that
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// they can be identified as tokens.
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while ((conflist = strstr(str, " --")) != NULL) {
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conflist[0] = '~';
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}
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// Compensate for the weirdness this would cause
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// when passing 'pkg-config --static'.
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while ((remove_tilde = strstr(str, "pkg-config~")) != NULL) {
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remove_tilde[sizeof("pkg-config~") - 2] = ' ';
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}
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splitconf = strtok(str, "~");
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av_log(NULL, level, "\n%sconfiguration:\n", indent);
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while (splitconf != NULL) {
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av_log(NULL, level, "%s%s%s\n", indent, indent, splitconf);
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splitconf = strtok(NULL, "~");
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}
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}
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void show_banner(int argc, char **argv, const OptionDef *options)
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{
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int idx = locate_option(argc, argv, options, "version");
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if (hide_banner || idx)
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return;
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print_program_info (INDENT|SHOW_COPYRIGHT, AV_LOG_INFO);
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print_all_libs_info(INDENT|SHOW_CONFIG, AV_LOG_INFO);
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print_all_libs_info(INDENT|SHOW_VERSION, AV_LOG_INFO);
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}
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int show_version(void *optctx, const char *opt, const char *arg)
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{
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av_log_set_callback(log_callback_help);
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print_program_info (SHOW_COPYRIGHT, AV_LOG_INFO);
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print_all_libs_info(SHOW_VERSION, AV_LOG_INFO);
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return 0;
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}
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int show_buildconf(void *optctx, const char *opt, const char *arg)
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{
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av_log_set_callback(log_callback_help);
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print_buildconf (INDENT|0, AV_LOG_INFO);
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return 0;
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}
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#define PRINT_CODEC_SUPPORTED(codec, field, type, list_name, term, get_name) \
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if (codec->field) { \
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const type *p = codec->field; \
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\
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printf(" Supported " list_name ":"); \
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while (*p != term) { \
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get_name(*p); \
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printf(" %s", name); \
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p++; \
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} \
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printf("\n"); \
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} \
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static void print_codec(const AVCodec *c)
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{
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int encoder = av_codec_is_encoder(c);
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printf("%s %s [%s]:\n", encoder ? "Encoder" : "Decoder", c->name,
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c->long_name ? c->long_name : "");
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printf(" General capabilities: ");
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if (c->capabilities & AV_CODEC_CAP_DRAW_HORIZ_BAND)
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printf("horizband ");
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if (c->capabilities & AV_CODEC_CAP_DR1)
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printf("dr1 ");
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if (c->capabilities & AV_CODEC_CAP_DELAY)
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printf("delay ");
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if (c->capabilities & AV_CODEC_CAP_SMALL_LAST_FRAME)
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printf("small ");
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if (c->capabilities & AV_CODEC_CAP_EXPERIMENTAL)
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printf("exp ");
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if (c->capabilities & AV_CODEC_CAP_CHANNEL_CONF)
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printf("chconf ");
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if (c->capabilities & AV_CODEC_CAP_PARAM_CHANGE)
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printf("paramchange ");
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if (c->capabilities & AV_CODEC_CAP_VARIABLE_FRAME_SIZE)
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printf("variable ");
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if (c->capabilities & (AV_CODEC_CAP_FRAME_THREADS |
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AV_CODEC_CAP_SLICE_THREADS |
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AV_CODEC_CAP_OTHER_THREADS))
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printf("threads ");
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if (c->capabilities & AV_CODEC_CAP_AVOID_PROBING)
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printf("avoidprobe ");
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if (c->capabilities & AV_CODEC_CAP_HARDWARE)
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printf("hardware ");
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if (c->capabilities & AV_CODEC_CAP_HYBRID)
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printf("hybrid ");
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if (!c->capabilities)
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printf("none");
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printf("\n");
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if (c->type == AVMEDIA_TYPE_VIDEO ||
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c->type == AVMEDIA_TYPE_AUDIO) {
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printf(" Threading capabilities: ");
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switch (c->capabilities & (AV_CODEC_CAP_FRAME_THREADS |
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AV_CODEC_CAP_SLICE_THREADS |
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AV_CODEC_CAP_OTHER_THREADS)) {
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case AV_CODEC_CAP_FRAME_THREADS |
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AV_CODEC_CAP_SLICE_THREADS: printf("frame and slice"); break;
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case AV_CODEC_CAP_FRAME_THREADS: printf("frame"); break;
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case AV_CODEC_CAP_SLICE_THREADS: printf("slice"); break;
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case AV_CODEC_CAP_OTHER_THREADS: printf("other"); break;
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default: printf("none"); break;
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}
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printf("\n");
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}
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if (avcodec_get_hw_config(c, 0)) {
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printf(" Supported hardware devices: ");
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for (int i = 0;; i++) {
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const AVCodecHWConfig *config = avcodec_get_hw_config(c, i);
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const char *name;
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if (!config)
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break;
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name = av_hwdevice_get_type_name(config->device_type);
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if (name)
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printf("%s ", name);
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}
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printf("\n");
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}
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if (c->supported_framerates) {
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const AVRational *fps = c->supported_framerates;
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printf(" Supported framerates:");
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while (fps->num) {
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printf(" %d/%d", fps->num, fps->den);
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fps++;
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}
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printf("\n");
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}
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PRINT_CODEC_SUPPORTED(c, pix_fmts, enum AVPixelFormat, "pixel formats",
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AV_PIX_FMT_NONE, GET_PIX_FMT_NAME);
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PRINT_CODEC_SUPPORTED(c, supported_samplerates, int, "sample rates", 0,
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GET_SAMPLE_RATE_NAME);
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PRINT_CODEC_SUPPORTED(c, sample_fmts, enum AVSampleFormat, "sample formats",
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AV_SAMPLE_FMT_NONE, GET_SAMPLE_FMT_NAME);
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if (c->ch_layouts) {
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const AVChannelLayout *p = c->ch_layouts;
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printf(" Supported channel layouts:");
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while (p->nb_channels) {
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char name[128];
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av_channel_layout_describe(p, name, sizeof(name));
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printf(" %s", name);
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p++;
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}
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printf("\n");
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}
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if (c->priv_class) {
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show_help_children(c->priv_class,
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AV_OPT_FLAG_ENCODING_PARAM |
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AV_OPT_FLAG_DECODING_PARAM);
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}
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}
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static const AVCodec *next_codec_for_id(enum AVCodecID id, void **iter,
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int encoder)
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{
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const AVCodec *c;
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while ((c = av_codec_iterate(iter))) {
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if (c->id == id &&
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(encoder ? av_codec_is_encoder(c) : av_codec_is_decoder(c)))
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return c;
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}
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return NULL;
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}
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static void show_help_codec(const char *name, int encoder)
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{
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const AVCodecDescriptor *desc;
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const AVCodec *codec;
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if (!name) {
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av_log(NULL, AV_LOG_ERROR, "No codec name specified.\n");
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return;
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}
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codec = encoder ? avcodec_find_encoder_by_name(name) :
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avcodec_find_decoder_by_name(name);
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if (codec)
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print_codec(codec);
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else if ((desc = avcodec_descriptor_get_by_name(name))) {
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void *iter = NULL;
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int printed = 0;
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while ((codec = next_codec_for_id(desc->id, &iter, encoder))) {
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printed = 1;
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print_codec(codec);
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}
|
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|
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if (!printed) {
|
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av_log(NULL, AV_LOG_ERROR, "Codec '%s' is known to FFmpeg, "
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|
"but no %s for it are available. FFmpeg might need to be "
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"recompiled with additional external libraries.\n",
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name, encoder ? "encoders" : "decoders");
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}
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} else {
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av_log(NULL, AV_LOG_ERROR, "Codec '%s' is not recognized by FFmpeg.\n",
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name);
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}
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}
|
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static void show_help_demuxer(const char *name)
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{
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const AVInputFormat *fmt = av_find_input_format(name);
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|
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if (!fmt) {
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av_log(NULL, AV_LOG_ERROR, "Unknown format '%s'.\n", name);
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return;
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}
|
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printf("Demuxer %s [%s]:\n", fmt->name, fmt->long_name);
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|
if (fmt->extensions)
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printf(" Common extensions: %s.\n", fmt->extensions);
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if (fmt->priv_class)
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show_help_children(fmt->priv_class, AV_OPT_FLAG_DECODING_PARAM);
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}
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|
|
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static void show_help_protocol(const char *name)
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|
{
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|
const AVClass *proto_class;
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|
|
|
if (!name) {
|
|
av_log(NULL, AV_LOG_ERROR, "No protocol name specified.\n");
|
|
return;
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|
}
|
|
|
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proto_class = avio_protocol_get_class(name);
|
|
if (!proto_class) {
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av_log(NULL, AV_LOG_ERROR, "Unknown protocol '%s'.\n", name);
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return;
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|
}
|
|
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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) {
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|
av_log(NULL, AV_LOG_ERROR, "Unknown format '%s'.\n", name);
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|
return;
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}
|
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|
|
printf("Muxer %s [%s]:\n", fmt->name, fmt->long_name);
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|
|
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 int 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))))
|
|
return AVERROR(ENOMEM);
|
|
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;
|
|
int nb_codecs = get_codecs_sorted(&codecs);
|
|
|
|
if (nb_codecs < 0)
|
|
return nb_codecs;
|
|
|
|
printf("Codecs:\n"
|
|
" D..... = Decoding supported\n"
|
|
" .E.... = Encoding supported\n"
|
|
" ..V... = Video codec\n"
|
|
" ..A... = Audio codec\n"
|
|
" ..S... = Subtitle codec\n"
|
|
" ..D... = Data codec\n"
|
|
" ..T... = Attachment 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(" %c%c%c%c%c%c",
|
|
avcodec_find_decoder(desc->id) ? 'D' : '.',
|
|
avcodec_find_encoder(desc->id) ? 'E' : '.',
|
|
get_media_type_char(desc->type),
|
|
(desc->props & AV_CODEC_PROP_INTRA_ONLY) ? 'I' : '.',
|
|
(desc->props & AV_CODEC_PROP_LOSSY) ? 'L' : '.',
|
|
(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%c%c%c%c%c",
|
|
get_media_type_char(desc->type),
|
|
(codec->capabilities & AV_CODEC_CAP_FRAME_THREADS) ? 'F' : '.',
|
|
(codec->capabilities & AV_CODEC_CAP_SLICE_THREADS) ? 'S' : '.',
|
|
(codec->capabilities & AV_CODEC_CAP_EXPERIMENTAL) ? 'X' : '.',
|
|
(codec->capabilities & AV_CODEC_CAP_DRAW_HORIZ_BAND) ? 'B' : '.',
|
|
(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;
|
|
const char *is_device_placeholder = device_only ? "" : ".";
|
|
|
|
printf("%s:\n"
|
|
" D.%s = Demuxing supported\n"
|
|
" .E%s = Muxing supported\n"
|
|
"%s"
|
|
" ---\n",
|
|
device_only ? "Devices" : "Formats",
|
|
is_device_placeholder, is_device_placeholder,
|
|
device_only ? "": " ..d = Is a device\n");
|
|
|
|
last_name = "000";
|
|
for (;;) {
|
|
int decode = 0;
|
|
int encode = 0;
|
|
int device = 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;
|
|
device = is_dev;
|
|
}
|
|
}
|
|
}
|
|
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;
|
|
device = is_dev;
|
|
}
|
|
if (name && strcmp(ifmt->name, name) == 0) {
|
|
decode = 1;
|
|
device = is_dev;
|
|
}
|
|
}
|
|
}
|
|
if (!name)
|
|
break;
|
|
last_name = name;
|
|
|
|
printf(" %c%c%s %-15s %s\n",
|
|
decode ? 'D' : ' ',
|
|
encode ? 'E' : ' ',
|
|
device_only ? "" : (device ? "d" : " "),
|
|
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 (strstr(buf, "USR"))
|
|
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));
|
|
printf("%-14s ", buf);
|
|
for (i = 0; i < 63; i++) {
|
|
int idx = av_channel_layout_index_from_channel(ch_layout, i);
|
|
if (idx >= 0) {
|
|
av_channel_name(buf2, sizeof(buf2), i);
|
|
printf("%s%s", idx ? "+" : "", 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");
|
|
av_free(key);
|
|
av_free(val);
|
|
av_free(filename_template);
|
|
return AVERROR(EINVAL);
|
|
}
|
|
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);
|
|
return AVERROR(EINVAL);
|
|
}
|
|
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);
|
|
return AVERROR(EINVAL);
|
|
}
|
|
|
|
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 */
|