Texas Instruments DVEVM, Руководство по началу работы, Страница: 49 / 70

Running the Demos from the Command Line
Additional Procedures A-5
❏
-s | --speechfile
Specify the filename of the speech file to play. The file extension
identifies the format to use. The supported speech algorithm is G.711
(.g711 file extension). You cannot play both an audio file and a
speech file at the same time.
❏
-v | --videofile
Specify the filename of the video to play. The file extension identifies
the format to use. The supported video algorithms are MPEG4
(.mpeg4 file extension), H.264 (.264 file extension) and MPEG2
(.m2v file extension).
❏
-t | --time
Number of seconds to run the demo. By default, there is no time limit.
❏
-l | --loop
If used, causes a loop back to the beginning of the files when they
are finished.
❏
-i | --interface
If used, causes the main demo interface to launch when this demo
exits. By default, this is off.
❏
-h | --help
Print this help message.
The following example uses MPEG2 video decode, no speech or audio
decode, and quits after 20 seconds.
Target $ ./decode -v data/videos/mpeg2ts_part1.m2v -t 20
The following example uses AAC audio decode only:
Target $ ./decode -a data/sounds/l9_44.aac
The following example uses MPEG2 video and AAC audio decode:
Target $ ./decode -a data/sounds/l9_44.aac
-v data/videos/mpeg2ts_part1.m2v
The following example uses MPEG4 video and G.711 speech decode:
Target $ ./decode -v data/sounds/dlp.mpeg4
-s data/sounds/Input1_Alaw.g711
You must specify at least a video or speech or audio file in order to run
the decode demo. You may specify both video and speech or both video
and audio. You cannot specify all three at once.
For more information about this demo, see the decode.txt file and Section
3.3.3,
About the Decode Demo .