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@@ -0,0 +1,1457 @@
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+/*
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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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+
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+#include "config.h"
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+
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+#include <stdio.h>
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+
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+#include "cmdutils.h"
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+#include "opt_common.h"
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+
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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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+
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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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+
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+#include "libavformat/avformat.h"
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+#include "libavformat/version.h"
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+
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+#include "libavdevice/avdevice.h"
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+#include "libavdevice/version.h"
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+
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+#include "libswscale/swscale.h"
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+#include "libswscale/version.h"
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+
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+#include "libswresample/swresample.h"
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+#include "libswresample/version.h"
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+
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+#include "libpostproc/postprocess.h"
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+#include "libpostproc/version.h"
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+
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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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+
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+static FILE *report_file;
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+static int report_file_level = AV_LOG_DEBUG;
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+
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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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+
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+ return 0;
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+}
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+
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+static int warned_cfg = 0;
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+
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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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+
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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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+
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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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+
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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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+
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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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+
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+ av_log(NULL, level, "%sconfiguration: " FFMPEG_CONFIGURATION "\n", indent);
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+}
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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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+
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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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+
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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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+
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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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+
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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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+
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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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+
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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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+
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+ return 0;
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+}
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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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+
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+ return 0;
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+}
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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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+
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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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+
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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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+
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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_SUBFRAMES)
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+ printf("subframes ");
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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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+
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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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+
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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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+ if (!config)
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+ break;
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+ printf("%s ", av_hwdevice_get_type_name(config->device_type));
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+ }
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+ printf("\n");
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+ }
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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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+
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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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+
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+ if (c->ch_layouts) {
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+ const AVChannelLayout *p = c->ch_layouts;
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+
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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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+
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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);
|
|
|
+ }
|
|
|
+}
|
|
|
+
|
|
|
+static const AVCodec *next_codec_for_id(enum AVCodecID id, void **iter,
|
|
|
+ int encoder)
|
|
|
+{
|
|
|
+ const AVCodec *c;
|
|
|
+ while ((c = av_codec_iterate(iter))) {
|
|
|
+ if (c->id == id &&
|
|
|
+ (encoder ? av_codec_is_encoder(c) : av_codec_is_decoder(c)))
|
|
|
+ return c;
|
|
|
+ }
|
|
|
+ return NULL;
|
|
|
+}
|
|
|
+
|
|
|
+static void show_help_codec(const char *name, int encoder)
|
|
|
+{
|
|
|
+ const AVCodecDescriptor *desc;
|
|
|
+ const AVCodec *codec;
|
|
|
+
|
|
|
+ if (!name) {
|
|
|
+ av_log(NULL, AV_LOG_ERROR, "No codec name specified.\n");
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ codec = encoder ? avcodec_find_encoder_by_name(name) :
|
|
|
+ avcodec_find_decoder_by_name(name);
|
|
|
+
|
|
|
+ if (codec)
|
|
|
+ print_codec(codec);
|
|
|
+ else if ((desc = avcodec_descriptor_get_by_name(name))) {
|
|
|
+ void *iter = NULL;
|
|
|
+ int printed = 0;
|
|
|
+
|
|
|
+ while ((codec = next_codec_for_id(desc->id, &iter, encoder))) {
|
|
|
+ printed = 1;
|
|
|
+ print_codec(codec);
|
|
|
+ }
|
|
|
+
|
|
|
+ if (!printed) {
|
|
|
+ av_log(NULL, AV_LOG_ERROR, "Codec '%s' is known to FFmpeg, "
|
|
|
+ "but no %s for it are available. FFmpeg might need to be "
|
|
|
+ "recompiled with additional external libraries.\n",
|
|
|
+ name, encoder ? "encoders" : "decoders");
|
|
|
+ }
|
|
|
+ } else {
|
|
|
+ av_log(NULL, AV_LOG_ERROR, "Codec '%s' is not recognized by FFmpeg.\n",
|
|
|
+ name);
|
|
|
+ }
|
|
|
+}
|
|
|
+
|
|
|
+static void show_help_demuxer(const char *name)
|
|
|
+{
|
|
|
+ const AVInputFormat *fmt = av_find_input_format(name);
|
|
|
+
|
|
|
+ if (!fmt) {
|
|
|
+ av_log(NULL, AV_LOG_ERROR, "Unknown format '%s'.\n", name);
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ printf("Demuxer %s [%s]:\n", fmt->name, fmt->long_name);
|
|
|
+
|
|
|
+ if (fmt->extensions)
|
|
|
+ printf(" Common extensions: %s.\n", fmt->extensions);
|
|
|
+
|
|
|
+ if (fmt->priv_class)
|
|
|
+ show_help_children(fmt->priv_class, AV_OPT_FLAG_DECODING_PARAM);
|
|
|
+}
|
|
|
+
|
|
|
+static void show_help_protocol(const char *name)
|
|
|
+{
|
|
|
+ const AVClass *proto_class;
|
|
|
+
|
|
|
+ if (!name) {
|
|
|
+ av_log(NULL, AV_LOG_ERROR, "No protocol name specified.\n");
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ proto_class = avio_protocol_get_class(name);
|
|
|
+ if (!proto_class) {
|
|
|
+ av_log(NULL, AV_LOG_ERROR, "Unknown protocol '%s'.\n", name);
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ show_help_children(proto_class, AV_OPT_FLAG_DECODING_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
|
|
|
+}
|
|
|
+
|
|
|
+static void show_help_muxer(const char *name)
|
|
|
+{
|
|
|
+ const AVCodecDescriptor *desc;
|
|
|
+ const AVOutputFormat *fmt = av_guess_format(name, NULL, NULL);
|
|
|
+
|
|
|
+ if (!fmt) {
|
|
|
+ av_log(NULL, AV_LOG_ERROR, "Unknown format '%s'.\n", name);
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ printf("Muxer %s [%s]:\n", fmt->name, fmt->long_name);
|
|
|
+
|
|
|
+ if (fmt->extensions)
|
|
|
+ printf(" Common extensions: %s.\n", fmt->extensions);
|
|
|
+ if (fmt->mime_type)
|
|
|
+ printf(" Mime type: %s.\n", fmt->mime_type);
|
|
|
+ if (fmt->video_codec != AV_CODEC_ID_NONE &&
|
|
|
+ (desc = avcodec_descriptor_get(fmt->video_codec))) {
|
|
|
+ printf(" Default video codec: %s.\n", desc->name);
|
|
|
+ }
|
|
|
+ if (fmt->audio_codec != AV_CODEC_ID_NONE &&
|
|
|
+ (desc = avcodec_descriptor_get(fmt->audio_codec))) {
|
|
|
+ printf(" Default audio codec: %s.\n", desc->name);
|
|
|
+ }
|
|
|
+ if (fmt->subtitle_codec != AV_CODEC_ID_NONE &&
|
|
|
+ (desc = avcodec_descriptor_get(fmt->subtitle_codec))) {
|
|
|
+ printf(" Default subtitle codec: %s.\n", desc->name);
|
|
|
+ }
|
|
|
+
|
|
|
+ if (fmt->priv_class)
|
|
|
+ show_help_children(fmt->priv_class, AV_OPT_FLAG_ENCODING_PARAM);
|
|
|
+}
|
|
|
+
|
|
|
+#if CONFIG_AVFILTER
|
|
|
+static void show_help_filter(const char *name)
|
|
|
+{
|
|
|
+#if CONFIG_AVFILTER
|
|
|
+ const AVFilter *f = avfilter_get_by_name(name);
|
|
|
+ int i, count;
|
|
|
+
|
|
|
+ if (!name) {
|
|
|
+ av_log(NULL, AV_LOG_ERROR, "No filter name specified.\n");
|
|
|
+ return;
|
|
|
+ } else if (!f) {
|
|
|
+ av_log(NULL, AV_LOG_ERROR, "Unknown filter '%s'.\n", name);
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ printf("Filter %s\n", f->name);
|
|
|
+ if (f->description)
|
|
|
+ printf(" %s\n", f->description);
|
|
|
+
|
|
|
+ if (f->flags & AVFILTER_FLAG_SLICE_THREADS)
|
|
|
+ printf(" slice threading supported\n");
|
|
|
+
|
|
|
+ printf(" Inputs:\n");
|
|
|
+ count = avfilter_filter_pad_count(f, 0);
|
|
|
+ for (i = 0; i < count; i++) {
|
|
|
+ printf(" #%d: %s (%s)\n", i, avfilter_pad_get_name(f->inputs, i),
|
|
|
+ av_get_media_type_string(avfilter_pad_get_type(f->inputs, i)));
|
|
|
+ }
|
|
|
+ if (f->flags & AVFILTER_FLAG_DYNAMIC_INPUTS)
|
|
|
+ printf(" dynamic (depending on the options)\n");
|
|
|
+ else if (!count)
|
|
|
+ printf(" none (source filter)\n");
|
|
|
+
|
|
|
+ printf(" Outputs:\n");
|
|
|
+ count = avfilter_filter_pad_count(f, 1);
|
|
|
+ for (i = 0; i < count; i++) {
|
|
|
+ printf(" #%d: %s (%s)\n", i, avfilter_pad_get_name(f->outputs, i),
|
|
|
+ av_get_media_type_string(avfilter_pad_get_type(f->outputs, i)));
|
|
|
+ }
|
|
|
+ if (f->flags & AVFILTER_FLAG_DYNAMIC_OUTPUTS)
|
|
|
+ printf(" dynamic (depending on the options)\n");
|
|
|
+ else if (!count)
|
|
|
+ printf(" none (sink filter)\n");
|
|
|
+
|
|
|
+ if (f->priv_class)
|
|
|
+ show_help_children(f->priv_class, AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_FILTERING_PARAM |
|
|
|
+ AV_OPT_FLAG_AUDIO_PARAM);
|
|
|
+ if (f->flags & AVFILTER_FLAG_SUPPORT_TIMELINE)
|
|
|
+ printf("This filter has support for timeline through the 'enable' option.\n");
|
|
|
+#else
|
|
|
+ av_log(NULL, AV_LOG_ERROR, "Build without libavfilter; "
|
|
|
+ "can not to satisfy request\n");
|
|
|
+#endif
|
|
|
+}
|
|
|
+#endif
|
|
|
+
|
|
|
+static void show_help_bsf(const char *name)
|
|
|
+{
|
|
|
+ const AVBitStreamFilter *bsf = av_bsf_get_by_name(name);
|
|
|
+
|
|
|
+ if (!name) {
|
|
|
+ av_log(NULL, AV_LOG_ERROR, "No bitstream filter name specified.\n");
|
|
|
+ return;
|
|
|
+ } else if (!bsf) {
|
|
|
+ av_log(NULL, AV_LOG_ERROR, "Unknown bit stream filter '%s'.\n", name);
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ printf("Bit stream filter %s\n", bsf->name);
|
|
|
+ PRINT_CODEC_SUPPORTED(bsf, codec_ids, enum AVCodecID, "codecs",
|
|
|
+ AV_CODEC_ID_NONE, GET_CODEC_NAME);
|
|
|
+ if (bsf->priv_class)
|
|
|
+ show_help_children(bsf->priv_class, AV_OPT_FLAG_BSF_PARAM);
|
|
|
+}
|
|
|
+
|
|
|
+int show_help(void *optctx, const char *opt, const char *arg)
|
|
|
+{
|
|
|
+ char *topic, *par;
|
|
|
+ av_log_set_callback(log_callback_help);
|
|
|
+
|
|
|
+ topic = av_strdup(arg ? arg : "");
|
|
|
+ if (!topic)
|
|
|
+ return AVERROR(ENOMEM);
|
|
|
+ par = strchr(topic, '=');
|
|
|
+ if (par)
|
|
|
+ *par++ = 0;
|
|
|
+
|
|
|
+ if (!*topic) {
|
|
|
+ show_help_default(topic, par);
|
|
|
+ } else if (!strcmp(topic, "decoder")) {
|
|
|
+ show_help_codec(par, 0);
|
|
|
+ } else if (!strcmp(topic, "encoder")) {
|
|
|
+ show_help_codec(par, 1);
|
|
|
+ } else if (!strcmp(topic, "demuxer")) {
|
|
|
+ show_help_demuxer(par);
|
|
|
+ } else if (!strcmp(topic, "muxer")) {
|
|
|
+ show_help_muxer(par);
|
|
|
+ } else if (!strcmp(topic, "protocol")) {
|
|
|
+ show_help_protocol(par);
|
|
|
+#if CONFIG_AVFILTER
|
|
|
+ } else if (!strcmp(topic, "filter")) {
|
|
|
+ show_help_filter(par);
|
|
|
+#endif
|
|
|
+ } else if (!strcmp(topic, "bsf")) {
|
|
|
+ show_help_bsf(par);
|
|
|
+ } else {
|
|
|
+ show_help_default(topic, par);
|
|
|
+ }
|
|
|
+
|
|
|
+ av_freep(&topic);
|
|
|
+ return 0;
|
|
|
+}
|
|
|
+
|
|
|
+static void print_codecs_for_id(enum AVCodecID id, int encoder)
|
|
|
+{
|
|
|
+ void *iter = NULL;
|
|
|
+ const AVCodec *codec;
|
|
|
+
|
|
|
+ printf(" (%s: ", encoder ? "encoders" : "decoders");
|
|
|
+
|
|
|
+ while ((codec = next_codec_for_id(id, &iter, encoder)))
|
|
|
+ printf("%s ", codec->name);
|
|
|
+
|
|
|
+ printf(")");
|
|
|
+}
|
|
|
+
|
|
|
+static int compare_codec_desc(const void *a, const void *b)
|
|
|
+{
|
|
|
+ const AVCodecDescriptor * const *da = a;
|
|
|
+ const AVCodecDescriptor * const *db = b;
|
|
|
+
|
|
|
+ return (*da)->type != (*db)->type ? FFDIFFSIGN((*da)->type, (*db)->type) :
|
|
|
+ strcmp((*da)->name, (*db)->name);
|
|
|
+}
|
|
|
+
|
|
|
+static unsigned get_codecs_sorted(const AVCodecDescriptor ***rcodecs)
|
|
|
+{
|
|
|
+ const AVCodecDescriptor *desc = NULL;
|
|
|
+ const AVCodecDescriptor **codecs;
|
|
|
+ unsigned nb_codecs = 0, i = 0;
|
|
|
+
|
|
|
+ while ((desc = avcodec_descriptor_next(desc)))
|
|
|
+ nb_codecs++;
|
|
|
+ if (!(codecs = av_calloc(nb_codecs, sizeof(*codecs)))) {
|
|
|
+ av_log(NULL, AV_LOG_ERROR, "Out of memory\n");
|
|
|
+ exit_program(1);
|
|
|
+ }
|
|
|
+ desc = NULL;
|
|
|
+ while ((desc = avcodec_descriptor_next(desc)))
|
|
|
+ codecs[i++] = desc;
|
|
|
+ av_assert0(i == nb_codecs);
|
|
|
+ qsort(codecs, nb_codecs, sizeof(*codecs), compare_codec_desc);
|
|
|
+ *rcodecs = codecs;
|
|
|
+ return nb_codecs;
|
|
|
+}
|
|
|
+
|
|
|
+static char get_media_type_char(enum AVMediaType type)
|
|
|
+{
|
|
|
+ switch (type) {
|
|
|
+ case AVMEDIA_TYPE_VIDEO: return 'V';
|
|
|
+ case AVMEDIA_TYPE_AUDIO: return 'A';
|
|
|
+ case AVMEDIA_TYPE_DATA: return 'D';
|
|
|
+ case AVMEDIA_TYPE_SUBTITLE: return 'S';
|
|
|
+ case AVMEDIA_TYPE_ATTACHMENT:return 'T';
|
|
|
+ default: return '?';
|
|
|
+ }
|
|
|
+}
|
|
|
+
|
|
|
+int show_codecs(void *optctx, const char *opt, const char *arg)
|
|
|
+{
|
|
|
+ const AVCodecDescriptor **codecs;
|
|
|
+ unsigned i, nb_codecs = get_codecs_sorted(&codecs);
|
|
|
+
|
|
|
+ printf("Codecs:\n"
|
|
|
+ " D..... = Decoding supported\n"
|
|
|
+ " .E.... = Encoding supported\n"
|
|
|
+ " ..V... = Video codec\n"
|
|
|
+ " ..A... = Audio codec\n"
|
|
|
+ " ..S... = Subtitle codec\n"
|
|
|
+ " ...I.. = Intra frame-only codec\n"
|
|
|
+ " ....L. = Lossy compression\n"
|
|
|
+ " .....S = Lossless compression\n"
|
|
|
+ " -------\n");
|
|
|
+ for (i = 0; i < nb_codecs; i++) {
|
|
|
+ const AVCodecDescriptor *desc = codecs[i];
|
|
|
+ const AVCodec *codec;
|
|
|
+ void *iter = NULL;
|
|
|
+
|
|
|
+ if (strstr(desc->name, "_deprecated"))
|
|
|
+ continue;
|
|
|
+
|
|
|
+ printf(" ");
|
|
|
+ printf(avcodec_find_decoder(desc->id) ? "D" : ".");
|
|
|
+ printf(avcodec_find_encoder(desc->id) ? "E" : ".");
|
|
|
+
|
|
|
+ printf("%c", get_media_type_char(desc->type));
|
|
|
+ printf((desc->props & AV_CODEC_PROP_INTRA_ONLY) ? "I" : ".");
|
|
|
+ printf((desc->props & AV_CODEC_PROP_LOSSY) ? "L" : ".");
|
|
|
+ printf((desc->props & AV_CODEC_PROP_LOSSLESS) ? "S" : ".");
|
|
|
+
|
|
|
+ printf(" %-20s %s", desc->name, desc->long_name ? desc->long_name : "");
|
|
|
+
|
|
|
+ /* print decoders/encoders when there's more than one or their
|
|
|
+ * names are different from codec name */
|
|
|
+ while ((codec = next_codec_for_id(desc->id, &iter, 0))) {
|
|
|
+ if (strcmp(codec->name, desc->name)) {
|
|
|
+ print_codecs_for_id(desc->id, 0);
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ iter = NULL;
|
|
|
+ while ((codec = next_codec_for_id(desc->id, &iter, 1))) {
|
|
|
+ if (strcmp(codec->name, desc->name)) {
|
|
|
+ print_codecs_for_id(desc->id, 1);
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ printf("\n");
|
|
|
+ }
|
|
|
+ av_free(codecs);
|
|
|
+ return 0;
|
|
|
+}
|
|
|
+
|
|
|
+static void print_codecs(int encoder)
|
|
|
+{
|
|
|
+ const AVCodecDescriptor **codecs;
|
|
|
+ unsigned i, nb_codecs = get_codecs_sorted(&codecs);
|
|
|
+
|
|
|
+ printf("%s:\n"
|
|
|
+ " V..... = Video\n"
|
|
|
+ " A..... = Audio\n"
|
|
|
+ " S..... = Subtitle\n"
|
|
|
+ " .F.... = Frame-level multithreading\n"
|
|
|
+ " ..S... = Slice-level multithreading\n"
|
|
|
+ " ...X.. = Codec is experimental\n"
|
|
|
+ " ....B. = Supports draw_horiz_band\n"
|
|
|
+ " .....D = Supports direct rendering method 1\n"
|
|
|
+ " ------\n",
|
|
|
+ encoder ? "Encoders" : "Decoders");
|
|
|
+ for (i = 0; i < nb_codecs; i++) {
|
|
|
+ const AVCodecDescriptor *desc = codecs[i];
|
|
|
+ const AVCodec *codec;
|
|
|
+ void *iter = NULL;
|
|
|
+
|
|
|
+ while ((codec = next_codec_for_id(desc->id, &iter, encoder))) {
|
|
|
+ printf(" %c", get_media_type_char(desc->type));
|
|
|
+ printf((codec->capabilities & AV_CODEC_CAP_FRAME_THREADS) ? "F" : ".");
|
|
|
+ printf((codec->capabilities & AV_CODEC_CAP_SLICE_THREADS) ? "S" : ".");
|
|
|
+ printf((codec->capabilities & AV_CODEC_CAP_EXPERIMENTAL) ? "X" : ".");
|
|
|
+ printf((codec->capabilities & AV_CODEC_CAP_DRAW_HORIZ_BAND)?"B" : ".");
|
|
|
+ printf((codec->capabilities & AV_CODEC_CAP_DR1) ? "D" : ".");
|
|
|
+
|
|
|
+ printf(" %-20s %s", codec->name, codec->long_name ? codec->long_name : "");
|
|
|
+ if (strcmp(codec->name, desc->name))
|
|
|
+ printf(" (codec %s)", desc->name);
|
|
|
+
|
|
|
+ printf("\n");
|
|
|
+ }
|
|
|
+ }
|
|
|
+ av_free(codecs);
|
|
|
+}
|
|
|
+
|
|
|
+int show_decoders(void *optctx, const char *opt, const char *arg)
|
|
|
+{
|
|
|
+ print_codecs(0);
|
|
|
+ return 0;
|
|
|
+}
|
|
|
+
|
|
|
+int show_encoders(void *optctx, const char *opt, const char *arg)
|
|
|
+{
|
|
|
+ print_codecs(1);
|
|
|
+ return 0;
|
|
|
+}
|
|
|
+
|
|
|
+int show_bsfs(void *optctx, const char *opt, const char *arg)
|
|
|
+{
|
|
|
+ const AVBitStreamFilter *bsf = NULL;
|
|
|
+ void *opaque = NULL;
|
|
|
+
|
|
|
+ printf("Bitstream filters:\n");
|
|
|
+ while ((bsf = av_bsf_iterate(&opaque)))
|
|
|
+ printf("%s\n", bsf->name);
|
|
|
+ printf("\n");
|
|
|
+ return 0;
|
|
|
+}
|
|
|
+
|
|
|
+int show_filters(void *optctx, const char *opt, const char *arg)
|
|
|
+{
|
|
|
+#if CONFIG_AVFILTER
|
|
|
+ const AVFilter *filter = NULL;
|
|
|
+ char descr[64], *descr_cur;
|
|
|
+ void *opaque = NULL;
|
|
|
+ int i, j;
|
|
|
+ const AVFilterPad *pad;
|
|
|
+
|
|
|
+ printf("Filters:\n"
|
|
|
+ " T.. = Timeline support\n"
|
|
|
+ " .S. = Slice threading\n"
|
|
|
+ " ..C = Command support\n"
|
|
|
+ " A = Audio input/output\n"
|
|
|
+ " V = Video input/output\n"
|
|
|
+ " N = Dynamic number and/or type of input/output\n"
|
|
|
+ " | = Source or sink filter\n");
|
|
|
+ while ((filter = av_filter_iterate(&opaque))) {
|
|
|
+ descr_cur = descr;
|
|
|
+ for (i = 0; i < 2; i++) {
|
|
|
+ unsigned nb_pads;
|
|
|
+ if (i) {
|
|
|
+ *(descr_cur++) = '-';
|
|
|
+ *(descr_cur++) = '>';
|
|
|
+ }
|
|
|
+ pad = i ? filter->outputs : filter->inputs;
|
|
|
+ nb_pads = avfilter_filter_pad_count(filter, i);
|
|
|
+ for (j = 0; j < nb_pads; j++) {
|
|
|
+ if (descr_cur >= descr + sizeof(descr) - 4)
|
|
|
+ break;
|
|
|
+ *(descr_cur++) = get_media_type_char(avfilter_pad_get_type(pad, j));
|
|
|
+ }
|
|
|
+ if (!j)
|
|
|
+ *(descr_cur++) = ((!i && (filter->flags & AVFILTER_FLAG_DYNAMIC_INPUTS)) ||
|
|
|
+ ( i && (filter->flags & AVFILTER_FLAG_DYNAMIC_OUTPUTS))) ? 'N' : '|';
|
|
|
+ }
|
|
|
+ *descr_cur = 0;
|
|
|
+ printf(" %c%c%c %-17s %-10s %s\n",
|
|
|
+ filter->flags & AVFILTER_FLAG_SUPPORT_TIMELINE ? 'T' : '.',
|
|
|
+ filter->flags & AVFILTER_FLAG_SLICE_THREADS ? 'S' : '.',
|
|
|
+ filter->process_command ? 'C' : '.',
|
|
|
+ filter->name, descr, filter->description);
|
|
|
+ }
|
|
|
+#else
|
|
|
+ printf("No filters available: libavfilter disabled\n");
|
|
|
+#endif
|
|
|
+ return 0;
|
|
|
+}
|
|
|
+
|
|
|
+static int is_device(const AVClass *avclass)
|
|
|
+{
|
|
|
+ if (!avclass)
|
|
|
+ return 0;
|
|
|
+ return AV_IS_INPUT_DEVICE(avclass->category) || AV_IS_OUTPUT_DEVICE(avclass->category);
|
|
|
+}
|
|
|
+
|
|
|
+static int show_formats_devices(void *optctx, const char *opt, const char *arg, int device_only, int muxdemuxers)
|
|
|
+{
|
|
|
+ void *ifmt_opaque = NULL;
|
|
|
+ const AVInputFormat *ifmt = NULL;
|
|
|
+ void *ofmt_opaque = NULL;
|
|
|
+ const AVOutputFormat *ofmt = NULL;
|
|
|
+ const char *last_name;
|
|
|
+ int is_dev;
|
|
|
+
|
|
|
+ printf("%s\n"
|
|
|
+ " D. = Demuxing supported\n"
|
|
|
+ " .E = Muxing supported\n"
|
|
|
+ " --\n", device_only ? "Devices:" : "File formats:");
|
|
|
+ last_name = "000";
|
|
|
+ for (;;) {
|
|
|
+ int decode = 0;
|
|
|
+ int encode = 0;
|
|
|
+ const char *name = NULL;
|
|
|
+ const char *long_name = NULL;
|
|
|
+
|
|
|
+ if (muxdemuxers !=SHOW_DEMUXERS) {
|
|
|
+ ofmt_opaque = NULL;
|
|
|
+ while ((ofmt = av_muxer_iterate(&ofmt_opaque))) {
|
|
|
+ is_dev = is_device(ofmt->priv_class);
|
|
|
+ if (!is_dev && device_only)
|
|
|
+ continue;
|
|
|
+ if ((!name || strcmp(ofmt->name, name) < 0) &&
|
|
|
+ strcmp(ofmt->name, last_name) > 0) {
|
|
|
+ name = ofmt->name;
|
|
|
+ long_name = ofmt->long_name;
|
|
|
+ encode = 1;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+ if (muxdemuxers != SHOW_MUXERS) {
|
|
|
+ ifmt_opaque = NULL;
|
|
|
+ while ((ifmt = av_demuxer_iterate(&ifmt_opaque))) {
|
|
|
+ is_dev = is_device(ifmt->priv_class);
|
|
|
+ if (!is_dev && device_only)
|
|
|
+ continue;
|
|
|
+ if ((!name || strcmp(ifmt->name, name) < 0) &&
|
|
|
+ strcmp(ifmt->name, last_name) > 0) {
|
|
|
+ name = ifmt->name;
|
|
|
+ long_name = ifmt->long_name;
|
|
|
+ encode = 0;
|
|
|
+ }
|
|
|
+ if (name && strcmp(ifmt->name, name) == 0)
|
|
|
+ decode = 1;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ if (!name)
|
|
|
+ break;
|
|
|
+ last_name = name;
|
|
|
+
|
|
|
+ printf(" %c%c %-15s %s\n",
|
|
|
+ decode ? 'D' : ' ',
|
|
|
+ encode ? 'E' : ' ',
|
|
|
+ name,
|
|
|
+ long_name ? long_name:" ");
|
|
|
+ }
|
|
|
+ return 0;
|
|
|
+}
|
|
|
+
|
|
|
+int show_formats(void *optctx, const char *opt, const char *arg)
|
|
|
+{
|
|
|
+ return show_formats_devices(optctx, opt, arg, 0, SHOW_DEFAULT);
|
|
|
+}
|
|
|
+
|
|
|
+int show_muxers(void *optctx, const char *opt, const char *arg)
|
|
|
+{
|
|
|
+ return show_formats_devices(optctx, opt, arg, 0, SHOW_MUXERS);
|
|
|
+}
|
|
|
+
|
|
|
+int show_demuxers(void *optctx, const char *opt, const char *arg)
|
|
|
+{
|
|
|
+ return show_formats_devices(optctx, opt, arg, 0, SHOW_DEMUXERS);
|
|
|
+}
|
|
|
+
|
|
|
+int show_devices(void *optctx, const char *opt, const char *arg)
|
|
|
+{
|
|
|
+ return show_formats_devices(optctx, opt, arg, 1, SHOW_DEFAULT);
|
|
|
+}
|
|
|
+
|
|
|
+int show_protocols(void *optctx, const char *opt, const char *arg)
|
|
|
+{
|
|
|
+ void *opaque = NULL;
|
|
|
+ const char *name;
|
|
|
+
|
|
|
+ printf("Supported file protocols:\n"
|
|
|
+ "Input:\n");
|
|
|
+ while ((name = avio_enum_protocols(&opaque, 0)))
|
|
|
+ printf(" %s\n", name);
|
|
|
+ printf("Output:\n");
|
|
|
+ while ((name = avio_enum_protocols(&opaque, 1)))
|
|
|
+ printf(" %s\n", name);
|
|
|
+ return 0;
|
|
|
+}
|
|
|
+
|
|
|
+int show_colors(void *optctx, const char *opt, const char *arg)
|
|
|
+{
|
|
|
+ const char *name;
|
|
|
+ const uint8_t *rgb;
|
|
|
+ int i;
|
|
|
+
|
|
|
+ printf("%-32s #RRGGBB\n", "name");
|
|
|
+
|
|
|
+ for (i = 0; name = av_get_known_color_name(i, &rgb); i++)
|
|
|
+ printf("%-32s #%02x%02x%02x\n", name, rgb[0], rgb[1], rgb[2]);
|
|
|
+
|
|
|
+ return 0;
|
|
|
+}
|
|
|
+
|
|
|
+int show_pix_fmts(void *optctx, const char *opt, const char *arg)
|
|
|
+{
|
|
|
+ const AVPixFmtDescriptor *pix_desc = NULL;
|
|
|
+
|
|
|
+ printf("Pixel formats:\n"
|
|
|
+ "I.... = Supported Input format for conversion\n"
|
|
|
+ ".O... = Supported Output format for conversion\n"
|
|
|
+ "..H.. = Hardware accelerated format\n"
|
|
|
+ "...P. = Paletted format\n"
|
|
|
+ "....B = Bitstream format\n"
|
|
|
+ "FLAGS NAME NB_COMPONENTS BITS_PER_PIXEL BIT_DEPTHS\n"
|
|
|
+ "-----\n");
|
|
|
+
|
|
|
+#if !CONFIG_SWSCALE
|
|
|
+# define sws_isSupportedInput(x) 0
|
|
|
+# define sws_isSupportedOutput(x) 0
|
|
|
+#endif
|
|
|
+
|
|
|
+ while ((pix_desc = av_pix_fmt_desc_next(pix_desc))) {
|
|
|
+ enum AVPixelFormat av_unused pix_fmt = av_pix_fmt_desc_get_id(pix_desc);
|
|
|
+ printf("%c%c%c%c%c %-16s %d %3d %d",
|
|
|
+ sws_isSupportedInput (pix_fmt) ? 'I' : '.',
|
|
|
+ sws_isSupportedOutput(pix_fmt) ? 'O' : '.',
|
|
|
+ pix_desc->flags & AV_PIX_FMT_FLAG_HWACCEL ? 'H' : '.',
|
|
|
+ pix_desc->flags & AV_PIX_FMT_FLAG_PAL ? 'P' : '.',
|
|
|
+ pix_desc->flags & AV_PIX_FMT_FLAG_BITSTREAM ? 'B' : '.',
|
|
|
+ pix_desc->name,
|
|
|
+ pix_desc->nb_components,
|
|
|
+ av_get_bits_per_pixel(pix_desc),
|
|
|
+ pix_desc->comp[0].depth);
|
|
|
+
|
|
|
+ for (unsigned i = 1; i < pix_desc->nb_components; i++)
|
|
|
+ printf("-%d", pix_desc->comp[i].depth);
|
|
|
+ printf("\n");
|
|
|
+ }
|
|
|
+ return 0;
|
|
|
+}
|
|
|
+
|
|
|
+int show_layouts(void *optctx, const char *opt, const char *arg)
|
|
|
+{
|
|
|
+ const AVChannelLayout *ch_layout;
|
|
|
+ void *iter = NULL;
|
|
|
+ char buf[128], buf2[128];
|
|
|
+ int i = 0;
|
|
|
+
|
|
|
+ printf("Individual channels:\n"
|
|
|
+ "NAME DESCRIPTION\n");
|
|
|
+ for (i = 0; i < 63; i++) {
|
|
|
+ av_channel_name(buf, sizeof(buf), i);
|
|
|
+ if (!strcmp(buf, "?"))
|
|
|
+ continue;
|
|
|
+ av_channel_description(buf2, sizeof(buf2), i);
|
|
|
+ printf("%-14s %s\n", buf, buf2);
|
|
|
+ }
|
|
|
+ printf("\nStandard channel layouts:\n"
|
|
|
+ "NAME DECOMPOSITION\n");
|
|
|
+ while (ch_layout = av_channel_layout_standard(&iter)) {
|
|
|
+ av_channel_layout_describe(ch_layout, buf, sizeof(buf));
|
|
|
+ av_channel_name(buf2, sizeof(buf2), i);
|
|
|
+ printf("%-14s ", buf);
|
|
|
+ for (i = 0; i < 63; i++)
|
|
|
+ if (av_channel_layout_index_from_channel(ch_layout, i) >= 0)
|
|
|
+ printf("%s%s", i ? "+" : "", buf2);
|
|
|
+ printf("\n");
|
|
|
+ }
|
|
|
+ return 0;
|
|
|
+}
|
|
|
+
|
|
|
+int show_sample_fmts(void *optctx, const char *opt, const char *arg)
|
|
|
+{
|
|
|
+ int i;
|
|
|
+ char fmt_str[128];
|
|
|
+ for (i = -1; i < AV_SAMPLE_FMT_NB; i++)
|
|
|
+ printf("%s\n", av_get_sample_fmt_string(fmt_str, sizeof(fmt_str), i));
|
|
|
+ return 0;
|
|
|
+}
|
|
|
+
|
|
|
+int show_dispositions(void *optctx, const char *opt, const char *arg)
|
|
|
+{
|
|
|
+ for (int i = 0; i < 32; i++) {
|
|
|
+ const char *str = av_disposition_to_string(1U << i);
|
|
|
+ if (str)
|
|
|
+ printf("%s\n", str);
|
|
|
+ }
|
|
|
+ return 0;
|
|
|
+}
|
|
|
+
|
|
|
+int opt_cpuflags(void *optctx, const char *opt, const char *arg)
|
|
|
+{
|
|
|
+ int ret;
|
|
|
+ unsigned flags = av_get_cpu_flags();
|
|
|
+
|
|
|
+ if ((ret = av_parse_cpu_caps(&flags, arg)) < 0)
|
|
|
+ return ret;
|
|
|
+
|
|
|
+ av_force_cpu_flags(flags);
|
|
|
+ return 0;
|
|
|
+}
|
|
|
+
|
|
|
+int opt_cpucount(void *optctx, const char *opt, const char *arg)
|
|
|
+{
|
|
|
+ int ret;
|
|
|
+ int count;
|
|
|
+
|
|
|
+ static const AVOption opts[] = {
|
|
|
+ {"count", NULL, 0, AV_OPT_TYPE_INT, { .i64 = -1}, -1, INT_MAX},
|
|
|
+ {NULL},
|
|
|
+ };
|
|
|
+ static const AVClass class = {
|
|
|
+ .class_name = "cpucount",
|
|
|
+ .item_name = av_default_item_name,
|
|
|
+ .option = opts,
|
|
|
+ .version = LIBAVUTIL_VERSION_INT,
|
|
|
+ };
|
|
|
+ const AVClass *pclass = &class;
|
|
|
+
|
|
|
+ ret = av_opt_eval_int(&pclass, opts, arg, &count);
|
|
|
+
|
|
|
+ if (!ret) {
|
|
|
+ av_cpu_force_count(count);
|
|
|
+ }
|
|
|
+
|
|
|
+ return ret;
|
|
|
+}
|
|
|
+
|
|
|
+static void expand_filename_template(AVBPrint *bp, const char *template,
|
|
|
+ struct tm *tm)
|
|
|
+{
|
|
|
+ int c;
|
|
|
+
|
|
|
+ while ((c = *(template++))) {
|
|
|
+ if (c == '%') {
|
|
|
+ if (!(c = *(template++)))
|
|
|
+ break;
|
|
|
+ switch (c) {
|
|
|
+ case 'p':
|
|
|
+ av_bprintf(bp, "%s", program_name);
|
|
|
+ break;
|
|
|
+ case 't':
|
|
|
+ av_bprintf(bp, "%04d%02d%02d-%02d%02d%02d",
|
|
|
+ tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday,
|
|
|
+ tm->tm_hour, tm->tm_min, tm->tm_sec);
|
|
|
+ break;
|
|
|
+ case '%':
|
|
|
+ av_bprint_chars(bp, c, 1);
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ } else {
|
|
|
+ av_bprint_chars(bp, c, 1);
|
|
|
+ }
|
|
|
+ }
|
|
|
+}
|
|
|
+
|
|
|
+static void log_callback_report(void *ptr, int level, const char *fmt, va_list vl)
|
|
|
+{
|
|
|
+ va_list vl2;
|
|
|
+ char line[1024];
|
|
|
+ static int print_prefix = 1;
|
|
|
+
|
|
|
+ va_copy(vl2, vl);
|
|
|
+ av_log_default_callback(ptr, level, fmt, vl);
|
|
|
+ av_log_format_line(ptr, level, fmt, vl2, line, sizeof(line), &print_prefix);
|
|
|
+ va_end(vl2);
|
|
|
+ if (report_file_level >= level) {
|
|
|
+ fputs(line, report_file);
|
|
|
+ fflush(report_file);
|
|
|
+ }
|
|
|
+}
|
|
|
+
|
|
|
+int init_report(const char *env, FILE **file)
|
|
|
+{
|
|
|
+ char *filename_template = NULL;
|
|
|
+ char *key, *val;
|
|
|
+ int ret, count = 0;
|
|
|
+ int prog_loglevel, envlevel = 0;
|
|
|
+ time_t now;
|
|
|
+ struct tm *tm;
|
|
|
+ AVBPrint filename;
|
|
|
+
|
|
|
+ if (report_file) /* already opened */
|
|
|
+ return 0;
|
|
|
+ time(&now);
|
|
|
+ tm = localtime(&now);
|
|
|
+
|
|
|
+ while (env && *env) {
|
|
|
+ if ((ret = av_opt_get_key_value(&env, "=", ":", 0, &key, &val)) < 0) {
|
|
|
+ if (count)
|
|
|
+ av_log(NULL, AV_LOG_ERROR,
|
|
|
+ "Failed to parse FFREPORT environment variable: %s\n",
|
|
|
+ av_err2str(ret));
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ if (*env)
|
|
|
+ env++;
|
|
|
+ count++;
|
|
|
+ if (!strcmp(key, "file")) {
|
|
|
+ av_free(filename_template);
|
|
|
+ filename_template = val;
|
|
|
+ val = NULL;
|
|
|
+ } else if (!strcmp(key, "level")) {
|
|
|
+ char *tail;
|
|
|
+ report_file_level = strtol(val, &tail, 10);
|
|
|
+ if (*tail) {
|
|
|
+ av_log(NULL, AV_LOG_FATAL, "Invalid report file level\n");
|
|
|
+ exit_program(1);
|
|
|
+ }
|
|
|
+ envlevel = 1;
|
|
|
+ } else {
|
|
|
+ av_log(NULL, AV_LOG_ERROR, "Unknown key '%s' in FFREPORT\n", key);
|
|
|
+ }
|
|
|
+ av_free(val);
|
|
|
+ av_free(key);
|
|
|
+ }
|
|
|
+
|
|
|
+ av_bprint_init(&filename, 0, AV_BPRINT_SIZE_AUTOMATIC);
|
|
|
+ expand_filename_template(&filename,
|
|
|
+ av_x_if_null(filename_template, "%p-%t.log"), tm);
|
|
|
+ av_free(filename_template);
|
|
|
+ if (!av_bprint_is_complete(&filename)) {
|
|
|
+ av_log(NULL, AV_LOG_ERROR, "Out of memory building report file name\n");
|
|
|
+ return AVERROR(ENOMEM);
|
|
|
+ }
|
|
|
+
|
|
|
+ prog_loglevel = av_log_get_level();
|
|
|
+ if (!envlevel)
|
|
|
+ report_file_level = FFMAX(report_file_level, prog_loglevel);
|
|
|
+
|
|
|
+ report_file = fopen(filename.str, "w");
|
|
|
+ if (!report_file) {
|
|
|
+ int ret = AVERROR(errno);
|
|
|
+ av_log(NULL, AV_LOG_ERROR, "Failed to open report \"%s\": %s\n",
|
|
|
+ filename.str, strerror(errno));
|
|
|
+ return ret;
|
|
|
+ }
|
|
|
+ av_log_set_callback(log_callback_report);
|
|
|
+ av_log(NULL, AV_LOG_INFO,
|
|
|
+ "%s started on %04d-%02d-%02d at %02d:%02d:%02d\n"
|
|
|
+ "Report written to \"%s\"\n"
|
|
|
+ "Log level: %d\n",
|
|
|
+ program_name,
|
|
|
+ tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday,
|
|
|
+ tm->tm_hour, tm->tm_min, tm->tm_sec,
|
|
|
+ filename.str, report_file_level);
|
|
|
+ av_bprint_finalize(&filename, NULL);
|
|
|
+
|
|
|
+ if (file)
|
|
|
+ *file = report_file;
|
|
|
+
|
|
|
+ return 0;
|
|
|
+}
|
|
|
+
|
|
|
+int opt_report(void *optctx, const char *opt, const char *arg)
|
|
|
+{
|
|
|
+ return init_report(NULL, NULL);
|
|
|
+}
|
|
|
+
|
|
|
+int opt_max_alloc(void *optctx, const char *opt, const char *arg)
|
|
|
+{
|
|
|
+ char *tail;
|
|
|
+ size_t max;
|
|
|
+
|
|
|
+ max = strtol(arg, &tail, 10);
|
|
|
+ if (*tail) {
|
|
|
+ av_log(NULL, AV_LOG_FATAL, "Invalid max_alloc \"%s\".\n", arg);
|
|
|
+ exit_program(1);
|
|
|
+ }
|
|
|
+ av_max_alloc(max);
|
|
|
+ return 0;
|
|
|
+}
|
|
|
+
|
|
|
+int opt_loglevel(void *optctx, const char *opt, const char *arg)
|
|
|
+{
|
|
|
+ const struct { const char *name; int level; } log_levels[] = {
|
|
|
+ { "quiet" , AV_LOG_QUIET },
|
|
|
+ { "panic" , AV_LOG_PANIC },
|
|
|
+ { "fatal" , AV_LOG_FATAL },
|
|
|
+ { "error" , AV_LOG_ERROR },
|
|
|
+ { "warning", AV_LOG_WARNING },
|
|
|
+ { "info" , AV_LOG_INFO },
|
|
|
+ { "verbose", AV_LOG_VERBOSE },
|
|
|
+ { "debug" , AV_LOG_DEBUG },
|
|
|
+ { "trace" , AV_LOG_TRACE },
|
|
|
+ };
|
|
|
+ const char *token;
|
|
|
+ char *tail;
|
|
|
+ int flags = av_log_get_flags();
|
|
|
+ int level = av_log_get_level();
|
|
|
+ int cmd, i = 0;
|
|
|
+
|
|
|
+ av_assert0(arg);
|
|
|
+ while (*arg) {
|
|
|
+ token = arg;
|
|
|
+ if (*token == '+' || *token == '-') {
|
|
|
+ cmd = *token++;
|
|
|
+ } else {
|
|
|
+ cmd = 0;
|
|
|
+ }
|
|
|
+ if (!i && !cmd) {
|
|
|
+ flags = 0; /* missing relative prefix, build absolute value */
|
|
|
+ }
|
|
|
+ if (av_strstart(token, "repeat", &arg)) {
|
|
|
+ if (cmd == '-') {
|
|
|
+ flags |= AV_LOG_SKIP_REPEATED;
|
|
|
+ } else {
|
|
|
+ flags &= ~AV_LOG_SKIP_REPEATED;
|
|
|
+ }
|
|
|
+ } else if (av_strstart(token, "level", &arg)) {
|
|
|
+ if (cmd == '-') {
|
|
|
+ flags &= ~AV_LOG_PRINT_LEVEL;
|
|
|
+ } else {
|
|
|
+ flags |= AV_LOG_PRINT_LEVEL;
|
|
|
+ }
|
|
|
+ } else {
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ i++;
|
|
|
+ }
|
|
|
+ if (!*arg) {
|
|
|
+ goto end;
|
|
|
+ } else if (*arg == '+') {
|
|
|
+ arg++;
|
|
|
+ } else if (!i) {
|
|
|
+ flags = av_log_get_flags(); /* level value without prefix, reset flags */
|
|
|
+ }
|
|
|
+
|
|
|
+ for (i = 0; i < FF_ARRAY_ELEMS(log_levels); i++) {
|
|
|
+ if (!strcmp(log_levels[i].name, arg)) {
|
|
|
+ level = log_levels[i].level;
|
|
|
+ goto end;
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ level = strtol(arg, &tail, 10);
|
|
|
+ if (*tail) {
|
|
|
+ av_log(NULL, AV_LOG_FATAL, "Invalid loglevel \"%s\". "
|
|
|
+ "Possible levels are numbers or:\n", arg);
|
|
|
+ for (i = 0; i < FF_ARRAY_ELEMS(log_levels); i++)
|
|
|
+ av_log(NULL, AV_LOG_FATAL, "\"%s\"\n", log_levels[i].name);
|
|
|
+ exit_program(1);
|
|
|
+ }
|
|
|
+
|
|
|
+end:
|
|
|
+ av_log_set_flags(flags);
|
|
|
+ av_log_set_level(level);
|
|
|
+ return 0;
|
|
|
+}
|
|
|
+
|
|
|
+#if CONFIG_AVDEVICE
|
|
|
+static void print_device_list(const AVDeviceInfoList *device_list)
|
|
|
+{
|
|
|
+ // print devices
|
|
|
+ for (int i = 0; i < device_list->nb_devices; i++) {
|
|
|
+ const AVDeviceInfo *device = device_list->devices[i];
|
|
|
+ printf("%c %s [%s] (", device_list->default_device == i ? '*' : ' ',
|
|
|
+ device->device_name, device->device_description);
|
|
|
+ if (device->nb_media_types > 0) {
|
|
|
+ for (int j = 0; j < device->nb_media_types; ++j) {
|
|
|
+ const char* media_type = av_get_media_type_string(device->media_types[j]);
|
|
|
+ if (j > 0)
|
|
|
+ printf(", ");
|
|
|
+ printf("%s", media_type ? media_type : "unknown");
|
|
|
+ }
|
|
|
+ } else {
|
|
|
+ printf("none");
|
|
|
+ }
|
|
|
+ printf(")\n");
|
|
|
+ }
|
|
|
+}
|
|
|
+
|
|
|
+static int print_device_sources(const AVInputFormat *fmt, AVDictionary *opts)
|
|
|
+{
|
|
|
+ int ret;
|
|
|
+ AVDeviceInfoList *device_list = NULL;
|
|
|
+
|
|
|
+ if (!fmt || !fmt->priv_class || !AV_IS_INPUT_DEVICE(fmt->priv_class->category))
|
|
|
+ return AVERROR(EINVAL);
|
|
|
+
|
|
|
+ printf("Auto-detected sources for %s:\n", fmt->name);
|
|
|
+ if ((ret = avdevice_list_input_sources(fmt, NULL, opts, &device_list)) < 0) {
|
|
|
+ printf("Cannot list sources: %s\n", av_err2str(ret));
|
|
|
+ goto fail;
|
|
|
+ }
|
|
|
+
|
|
|
+ print_device_list(device_list);
|
|
|
+
|
|
|
+ fail:
|
|
|
+ avdevice_free_list_devices(&device_list);
|
|
|
+ return ret;
|
|
|
+}
|
|
|
+
|
|
|
+static int print_device_sinks(const AVOutputFormat *fmt, AVDictionary *opts)
|
|
|
+{
|
|
|
+ int ret;
|
|
|
+ AVDeviceInfoList *device_list = NULL;
|
|
|
+
|
|
|
+ if (!fmt || !fmt->priv_class || !AV_IS_OUTPUT_DEVICE(fmt->priv_class->category))
|
|
|
+ return AVERROR(EINVAL);
|
|
|
+
|
|
|
+ printf("Auto-detected sinks for %s:\n", fmt->name);
|
|
|
+ if ((ret = avdevice_list_output_sinks(fmt, NULL, opts, &device_list)) < 0) {
|
|
|
+ printf("Cannot list sinks: %s\n", av_err2str(ret));
|
|
|
+ goto fail;
|
|
|
+ }
|
|
|
+
|
|
|
+ print_device_list(device_list);
|
|
|
+
|
|
|
+ fail:
|
|
|
+ avdevice_free_list_devices(&device_list);
|
|
|
+ return ret;
|
|
|
+}
|
|
|
+
|
|
|
+static int show_sinks_sources_parse_arg(const char *arg, char **dev, AVDictionary **opts)
|
|
|
+{
|
|
|
+ int ret;
|
|
|
+ if (arg) {
|
|
|
+ char *opts_str = NULL;
|
|
|
+ av_assert0(dev && opts);
|
|
|
+ *dev = av_strdup(arg);
|
|
|
+ if (!*dev)
|
|
|
+ return AVERROR(ENOMEM);
|
|
|
+ if ((opts_str = strchr(*dev, ','))) {
|
|
|
+ *(opts_str++) = '\0';
|
|
|
+ if (opts_str[0] && ((ret = av_dict_parse_string(opts, opts_str, "=", ":", 0)) < 0)) {
|
|
|
+ av_freep(dev);
|
|
|
+ return ret;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ } else
|
|
|
+ printf("\nDevice name is not provided.\n"
|
|
|
+ "You can pass devicename[,opt1=val1[,opt2=val2...]] as an argument.\n\n");
|
|
|
+ return 0;
|
|
|
+}
|
|
|
+
|
|
|
+int show_sources(void *optctx, const char *opt, const char *arg)
|
|
|
+{
|
|
|
+ const AVInputFormat *fmt = NULL;
|
|
|
+ char *dev = NULL;
|
|
|
+ AVDictionary *opts = NULL;
|
|
|
+ int ret = 0;
|
|
|
+ int error_level = av_log_get_level();
|
|
|
+
|
|
|
+ av_log_set_level(AV_LOG_WARNING);
|
|
|
+
|
|
|
+ if ((ret = show_sinks_sources_parse_arg(arg, &dev, &opts)) < 0)
|
|
|
+ goto fail;
|
|
|
+
|
|
|
+ do {
|
|
|
+ fmt = av_input_audio_device_next(fmt);
|
|
|
+ if (fmt) {
|
|
|
+ if (!strcmp(fmt->name, "lavfi"))
|
|
|
+ continue; //it's pointless to probe lavfi
|
|
|
+ if (dev && !av_match_name(dev, fmt->name))
|
|
|
+ continue;
|
|
|
+ print_device_sources(fmt, opts);
|
|
|
+ }
|
|
|
+ } while (fmt);
|
|
|
+ do {
|
|
|
+ fmt = av_input_video_device_next(fmt);
|
|
|
+ if (fmt) {
|
|
|
+ if (dev && !av_match_name(dev, fmt->name))
|
|
|
+ continue;
|
|
|
+ print_device_sources(fmt, opts);
|
|
|
+ }
|
|
|
+ } while (fmt);
|
|
|
+ fail:
|
|
|
+ av_dict_free(&opts);
|
|
|
+ av_free(dev);
|
|
|
+ av_log_set_level(error_level);
|
|
|
+ return ret;
|
|
|
+}
|
|
|
+
|
|
|
+int show_sinks(void *optctx, const char *opt, const char *arg)
|
|
|
+{
|
|
|
+ const AVOutputFormat *fmt = NULL;
|
|
|
+ char *dev = NULL;
|
|
|
+ AVDictionary *opts = NULL;
|
|
|
+ int ret = 0;
|
|
|
+ int error_level = av_log_get_level();
|
|
|
+
|
|
|
+ av_log_set_level(AV_LOG_WARNING);
|
|
|
+
|
|
|
+ if ((ret = show_sinks_sources_parse_arg(arg, &dev, &opts)) < 0)
|
|
|
+ goto fail;
|
|
|
+
|
|
|
+ do {
|
|
|
+ fmt = av_output_audio_device_next(fmt);
|
|
|
+ if (fmt) {
|
|
|
+ if (dev && !av_match_name(dev, fmt->name))
|
|
|
+ continue;
|
|
|
+ print_device_sinks(fmt, opts);
|
|
|
+ }
|
|
|
+ } while (fmt);
|
|
|
+ do {
|
|
|
+ fmt = av_output_video_device_next(fmt);
|
|
|
+ if (fmt) {
|
|
|
+ if (dev && !av_match_name(dev, fmt->name))
|
|
|
+ continue;
|
|
|
+ print_device_sinks(fmt, opts);
|
|
|
+ }
|
|
|
+ } while (fmt);
|
|
|
+ fail:
|
|
|
+ av_dict_free(&opts);
|
|
|
+ av_free(dev);
|
|
|
+ av_log_set_level(error_level);
|
|
|
+ return ret;
|
|
|
+}
|
|
|
+#endif /* CONFIG_AVDEVICE */
|
Anton Khirnov