theora_dump_video version (return code: 0)
0 frames
Done.
YUV4MPEG2 C420jpeg W0 H0 F0:0 Ip A0:0
theora_dump_video -h (return code: -15)
theora_dump_video: invalid option -- 'h'
Usage: dumpvid <file.ogv> > outfile
input is read from stdin if no file is passed on the command line