+
+void show_banner(void)
+{
+ 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");
+#if ENABLE_AVFILTER
+ fprintf(stderr, " libavfilter version: " AV_STRINGIFY(LIBAVFILTER_VERSION) "\n");
+#endif
+ 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(void) {
+ /* 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
+}
+
+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");
+ 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");
+ 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");
+}