Usage: DashCast [options] GPAC version 0.5.2-DEV-revVersion: 0.5.2-426-gc5ad4e4+dfsg5-3 General options: -log-file filename set output log file. Also works with -lf -logs LOGS set log tools and levels, formatted as a ':'-separated list of toolX[:toolZ]@levelX -conf filename set the configuration file name (default: dashcast.conf) -switch-source filename set the configuration file name for source switching Live options: -live system is live and input is a camera -live-media system is live and input is a media file -no-loop system does not loop on the input media file when live -dynamic-ast changes segment availability start time at each MPD generation (old behaviour but not allowed in most profiles) -insert-utc inserts UTC clock at the start of each segment Source options: -npts use frame counting for timestamps (not error-free) instead of source timing (default) -av string set the source name for a multiplexed audio and video input - if this option is present, neither '-a' nor '-v' shall be present * Video options: -v string set the source name for a video input - if input is from a webcam, use "/dev/video[x]" where x is the video device number - if input is the screen video, use ":0.0+[x],[y]" which captures from upper-left at x,y - if input is from stdin, use "pipe:" -vf string set the input video format - to capture from a webcam, set video4linux2 - to capture the screen, set x11grab -v4l2f inv4l2f inv4l2f is the input format for webcam acquisition - it can be mjpeg, yuyv422, etc. -pixf FMT set the input pixel format -vfr N force the input video framerate -vres WxH force the video resolution (e.g. 640x480) -vcrop XxY crop the source video from X pixels left and Y pixels top. Must be used with -vres. * Audio options: -a string set the source name for an audio input - if input is from microphone, use "plughw:[x],[y]" where x is the card number and y is the device number -af string set the input audio format Output options: * Video encoding options: -vcodec string set the output video codec (default: h264) -vcustom string send custom parameters directly to the video encoder -gdr use Gradual Decoder Refresh feature for video encoding (h264 codec only) -gop specify GOP size in frames - default is framerate (1 sec gop) -low-delay specify that low delay settings should be used (no B-frames, fast encoding) * Audio encoding options: -acodec string set the output audio codec (default: aac) -acustom string send custom parameters directly to the audio encoder DASH options: -seg-dur dur:int set the segment duration in millisecond (default value: 1000) -frag dur:int set the fragment duration in millisecond (default value: 1000) (same as -frag-dur) -seg-marker marker:4cc add a marker box named marker at the end of DASH segment -out outdir:str outdir is the output data directory (default: output) -mpd mpdname:str mpdname is the MPD file name (default: dashcast.mpd) -ast-offset dur:int dur is the MPD availabilityStartTime shift in milliseconds (default value: 0) -mpd-refresh dur:int dur is the MPD minimumUpdatePeriod in seconds -time-shift dur:int dur is the MPD TimeShiftBufferDepth in seconds - the default value is 10. Specify -1 to keep all files. -min-buffer dur:float dur is the MPD minBufferTime in seconds (default value: 1.0) -base-url baseurl:str baseurl is the MPD BaseURL Examples: DashCast -av test.avi -live-media DashCast -a test_audio.mp3 -v test_audio.mp4 -live-media DashCast -vf video4linux2 -vres 1280x720 -vfr 24 -v4l2f mjpeg -v /dev/video0 -af alsa -a plughw:1,0 -live DashCast -vf x11grab -vres 800x600 -vfr 25 -v :0.0 -live