+
+void show_banner(const char *program_name, int program_birth_year)
+{
+ fprintf(stderr, "%s version " FFMPEG_VERSION ", Copyright (c) %d-2008 Fabrice Bellard, et al.\n",
+ program_name, program_birth_year);
+ fprintf(stderr, " configuration: " FFMPEG_CONFIGURATION "\n");
+ fprintf(stderr, " libavutil version: " AV_STRINGIFY(LIBAVUTIL_VERSION) "\n");
+ fprintf(stderr, " libavcodec version: " AV_STRINGIFY(LIBAVCODEC_VERSION) "\n");
+ fprintf(stderr, " libavformat version: " AV_STRINGIFY(LIBAVFORMAT_VERSION) "\n");
+ fprintf(stderr, " libavdevice version: " AV_STRINGIFY(LIBAVDEVICE_VERSION) "\n");
+ fprintf(stderr, " built on " __DATE__ " " __TIME__);
+#ifdef __GNUC__
+ fprintf(stderr, ", gcc: " __VERSION__ "\n");
+#else
+ fprintf(stderr, ", using a non-gcc compiler\n");
+#endif
+}
+
+void show_version(const char *program_name) {
+ /* TODO: add function interface to avutil and avformat avdevice*/
+ printf("%s " FFMPEG_VERSION "\n", program_name);
+ printf("libavutil %d\n"
+ "libavcodec %d\n"
+ "libavformat %d\n"
+ "libavdevice %d\n",
+ LIBAVUTIL_BUILD, avcodec_build(), LIBAVFORMAT_BUILD, LIBAVDEVICE_BUILD);
+}
+
+void show_license(void)
+{
+#ifdef CONFIG_NONFREE
+ printf(
+ "This version of FFmpeg has nonfree parts compiled in.\n"
+ "Therefore it is not legally redistributable.\n"
+ );
+#elif CONFIG_GPL
+ printf(
+ "FFmpeg is free software; you can redistribute it and/or modify\n"
+ "it under the terms of the GNU General Public License as published by\n"
+ "the Free Software Foundation; either version 2 of the License, or\n"
+ "(at your option) any later version.\n"
+ "\n"
+ "FFmpeg is distributed in the hope that it will be useful,\n"
+ "but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
+ "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n"
+ "GNU General Public License for more details.\n"
+ "\n"
+ "You should have received a copy of the GNU General Public License\n"
+ "along with FFmpeg; if not, write to the Free Software\n"
+ "Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA\n"
+ );
+#else
+ printf(
+ "FFmpeg is free software; you can redistribute it and/or\n"
+ "modify it under the terms of the GNU Lesser General Public\n"
+ "License as published by the Free Software Foundation; either\n"
+ "version 2.1 of the License, or (at your option) any later version.\n"
+ "\n"
+ "FFmpeg is distributed in the hope that it will be useful,\n"
+ "but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
+ "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU\n"
+ "Lesser General Public License for more details.\n"
+ "\n"
+ "You should have received a copy of the GNU Lesser General Public\n"
+ "License along with FFmpeg; if not, write to the Free Software\n"
+ "Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA\n"
+ );
+#endif
+}