usage: mpi_enc_test [options]
-i input_file input frame file
-o output_file output encoded bitstream file
-w width the width of input picture
-h height the height of input picture
-hstride hor_stride the horizontal stride of input picture
-vstride ver_stride the vertical stride of input picture
-f format the format of input picture
-t type output stream coding type
-tsrc source type input file source coding type
-n max frame number max encoding frame number
-g gop reference mode gop_mode:gop_len:vi_len
-rc rate control mode set rc_mode, 0:vbr 1:cbr 2:fixqp 3:avbr
-bps bps target:min:max set tareget:min:max bps
-fps in/output fps set input and output frame rate
-qc quality control set qp_init:min:max:min_i:max_i
-fqc frm quality control set fqp min_i:max_i:min_p:max_p
-s instance_nb number of instances
-v trace option q - quiet f - show fps
-l loop count loop encoding times for each frame
-ini ini file encoder extra ini config file
-slt slt file slt verify data file
-sm scene mode scene_mode, 0:default 1:ipc
usage: mpi_dec_test [options]
-i input_file input bitstream file
-o output_file output decoded frame file
-w width the width of input bitstream
-h height the height of input bitstream
-t type input stream coding type
-f format output frame format type
-n frame_number max output frame number
-s instance_nb number of instances
-v trace option q - quiet f - show fps
-slt slt file slt verify data file
-help help show help
-bufmode buffer mode hi - half internal (default) i -internal e - external
$ amixer -h
Usage: amixer <options> [command]
Available options:
-h,--help this help
...
$ aplay -h
Usage: aplay [OPTION]... [FILE]...
-h, --help help
--version print current version
-l, --list-devices list all soundcards and digital audio devices
...
$ arecord -h
Usage: arecord [OPTION]... [FILE]...
-h, --help help
--version print current version
-l, --list-devices list all soundcards and digital audio devices
-L, --list-pcms list device names
...