+
+#define PRINT_LIB_VERSION(outstream,libname,LIBNAME,indent) \
+ version= libname##_version(); \
+ fprintf(outstream, "%slib%-10s %2d.%2d.%2d / %2d.%2d.%2d\n", indent? " " : "", #libname, \
+ LIB##LIBNAME##_VERSION_MAJOR, LIB##LIBNAME##_VERSION_MINOR, LIB##LIBNAME##_VERSION_MICRO, \
+ version >> 16, version >> 8 & 0xff, version & 0xff);
+
+static void print_all_lib_versions(FILE* outstream, int indent)
+{
+ unsigned int version;
+ PRINT_LIB_VERSION(outstream, avutil, AVUTIL, indent);
+ PRINT_LIB_VERSION(outstream, avcodec, AVCODEC, indent);
+ PRINT_LIB_VERSION(outstream, avformat, AVFORMAT, indent);
+ PRINT_LIB_VERSION(outstream, avdevice, AVDEVICE, indent);
+#if CONFIG_AVFILTER
+ PRINT_LIB_VERSION(outstream, avfilter, AVFILTER, indent);
+#endif
+ PRINT_LIB_VERSION(outstream, swscale, SWSCALE, indent);
+#if CONFIG_POSTPROC
+ PRINT_LIB_VERSION(outstream, postproc, POSTPROC, indent);
+#endif
+}
+
+void show_banner(void)
+{
+ fprintf(stderr, "%s version " FFMPEG_VERSION ", Copyright (c) %d-%d Fabrice Bellard, et al.\n",
+ program_name, program_birth_year, this_year);
+ fprintf(stderr, " built on %s %s with %s %s\n",
+ __DATE__, __TIME__, CC_TYPE, CC_VERSION);
+ fprintf(stderr, " configuration: " FFMPEG_CONFIGURATION "\n");
+ print_all_lib_versions(stderr, 1);
+}
+
+void show_version(void) {
+ printf("%s " FFMPEG_VERSION "\n", program_name);
+ print_all_lib_versions(stdout, 0);
+}
+
+void show_license(void)
+{
+ printf(
+#if CONFIG_NONFREE
+ "This version of %s has nonfree parts compiled in.\n"
+ "Therefore it is not legally redistributable.\n",
+ program_name
+#elif CONFIG_GPLV3
+ "%s is free software; you can redistribute it and/or modify\n"
+ "it under the terms of the GNU General Public License as published by\n"
+ "the Free Software Foundation; either version 3 of the License, or\n"
+ "(at your option) any later version.\n"
+ "\n"
+ "%s is distributed in the hope that it will be useful,\n"
+ "but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
+ "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n"
+ "GNU General Public License for more details.\n"
+ "\n"
+ "You should have received a copy of the GNU General Public License\n"
+ "along with %s. If not, see <http://www.gnu.org/licenses/>.\n",
+ program_name, program_name, program_name
+#elif CONFIG_GPL
+ "%s is free software; you can redistribute it and/or modify\n"
+ "it under the terms of the GNU General Public License as published by\n"
+ "the Free Software Foundation; either version 2 of the License, or\n"
+ "(at your option) any later version.\n"
+ "\n"
+ "%s is distributed in the hope that it will be useful,\n"
+ "but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
+ "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n"
+ "GNU General Public License for more details.\n"
+ "\n"
+ "You should have received a copy of the GNU General Public License\n"
+ "along with %s; if not, write to the Free Software\n"
+ "Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA\n",
+ program_name, program_name, program_name
+#elif CONFIG_LGPLV3
+ "%s is free software; you can redistribute it and/or modify\n"
+ "it under the terms of the GNU Lesser General Public License as published by\n"
+ "the Free Software Foundation; either version 3 of the License, or\n"
+ "(at your option) any later version.\n"
+ "\n"
+ "%s is distributed in the hope that it will be useful,\n"
+ "but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
+ "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n"
+ "GNU Lesser General Public License for more details.\n"
+ "\n"
+ "You should have received a copy of the GNU Lesser General Public License\n"
+ "along with %s. If not, see <http://www.gnu.org/licenses/>.\n",
+ program_name, program_name, program_name
+#else
+ "%s is free software; you can redistribute it and/or\n"
+ "modify it under the terms of the GNU Lesser General Public\n"
+ "License as published by the Free Software Foundation; either\n"
+ "version 2.1 of the License, or (at your option) any later version.\n"
+ "\n"
+ "%s is distributed in the hope that it will be useful,\n"
+ "but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
+ "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU\n"
+ "Lesser General Public License for more details.\n"
+ "\n"
+ "You should have received a copy of the GNU Lesser General Public\n"
+ "License along with %s; if not, write to the Free Software\n"
+ "Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA\n",
+ program_name, program_name, program_name
+#endif
+ );
+}
+
+void show_formats(void)
+{
+ AVInputFormat *ifmt=NULL;
+ AVOutputFormat *ofmt=NULL;
+ URLProtocol *up=NULL;
+ AVCodec *p=NULL, *p2;
+ AVBitStreamFilter *bsf=NULL;
+ const char *last_name;
+
+ printf(
+ "File formats:\n"
+ " D. = Demuxing supported\n"
+ " .E = Muxing supported\n"
+ " --\n");
+ last_name= "000";
+ for(;;){
+ int decode=0;
+ int encode=0;
+ const char *name=NULL;
+ const char *long_name=NULL;
+
+ while((ofmt= av_oformat_next(ofmt))) {
+ if((name == NULL || strcmp(ofmt->name, name)<0) &&
+ strcmp(ofmt->name, last_name)>0){
+ name= ofmt->name;
+ long_name= ofmt->long_name;
+ encode=1;
+ }
+ }
+ while((ifmt= av_iformat_next(ifmt))) {
+ if((name == NULL || strcmp(ifmt->name, name)<0) &&
+ strcmp(ifmt->name, last_name)>0){
+ name= ifmt->name;
+ long_name= ifmt->long_name;
+ encode=0;
+ }
+ if(name && strcmp(ifmt->name, name)==0)
+ decode=1;
+ }
+ if(name==NULL)
+ break;
+ last_name= name;
+
+ printf(
+ " %s%s %-15s %s\n",
+ decode ? "D":" ",
+ encode ? "E":" ",
+ name,
+ long_name ? long_name:" ");
+ }
+ printf("\n");
+
+ printf(
+ "Codecs:\n"
+ " D..... = Decoding supported\n"
+ " .E.... = Encoding supported\n"
+ " ..V... = Video codec\n"
+ " ..A... = Audio codec\n"
+ " ..S... = Subtitle codec\n"
+ " ...S.. = Supports draw_horiz_band\n"
+ " ....D. = Supports direct rendering method 1\n"
+ " .....T = Supports weird frame truncation\n"
+ " ------\n");
+ last_name= "000";
+ for(;;){
+ int decode=0;
+ int encode=0;
+ int cap=0;
+ const char *type_str;
+
+ p2=NULL;
+ while((p= av_codec_next(p))) {
+ if((p2==NULL || strcmp(p->name, p2->name)<0) &&
+ strcmp(p->name, last_name)>0){
+ p2= p;
+ decode= encode= cap=0;
+ }
+ if(p2 && strcmp(p->name, p2->name)==0){
+ if(p->decode) decode=1;
+ if(p->encode) encode=1;
+ cap |= p->capabilities;
+ }
+ }
+ if(p2==NULL)
+ break;
+ last_name= p2->name;
+
+ switch(p2->type) {
+ case CODEC_TYPE_VIDEO:
+ type_str = "V";
+ break;
+ case CODEC_TYPE_AUDIO:
+ type_str = "A";
+ break;
+ case CODEC_TYPE_SUBTITLE:
+ type_str = "S";
+ break;
+ default:
+ type_str = "?";
+ break;
+ }
+ printf(
+ " %s%s%s%s%s%s %-15s %s",
+ decode ? "D": (/*p2->decoder ? "d":*/" "),
+ encode ? "E":" ",
+ type_str,
+ cap & CODEC_CAP_DRAW_HORIZ_BAND ? "S":" ",
+ cap & CODEC_CAP_DR1 ? "D":" ",
+ cap & CODEC_CAP_TRUNCATED ? "T":" ",
+ p2->name,
+ p2->long_name ? p2->long_name : "");
+ /* if(p2->decoder && decode==0)
+ printf(" use %s for decoding", p2->decoder->name);*/
+ printf("\n");
+ }
+ printf("\n");
+
+ printf("Bitstream filters:\n");
+ while((bsf = av_bitstream_filter_next(bsf)))
+ printf(" %s", bsf->name);
+ printf("\n");
+
+ printf("Supported file protocols:\n");
+ while((up = av_protocol_next(up)))
+ printf(" %s:", up->name);
+ printf("\n");
+
+ printf("Frame size, frame rate abbreviations:\n ntsc pal qntsc qpal sntsc spal film ntsc-film sqcif qcif cif 4cif\n");
+ printf("\n");
+ printf(
+"Note, the names of encoders and decoders do not always match, so there are\n"
+"several cases where the above table shows encoder only or decoder only entries\n"
+"even though both encoding and decoding are supported. For example, the h263\n"
+"decoder corresponds to the h263 and h263p encoders, for file formats it is even\n"
+"worse.\n");
+}
+
+int read_yesno(void)
+{
+ int c = getchar();
+ int yesno = (toupper(c) == 'Y');
+
+ while (c != '\n' && c != EOF)
+ c = getchar();
+
+ return yesno;
+}