[libav-tools] command options help

Luca Barbato lu_zero at gentoo.org
Mon Feb 4 20:31:45 CET 2013


On 03/02/13 14:31, Michael R. Nelson wrote:
> I am building a custom application for use in broadcast television. 
> I am able to capture audio and video from an Ubuntu 12.04 desktop and
> send it to an ASI card from DVEO using the following command:
> 
> avconv -f x11grab -qscale 15 -s 1280x720 -aspect:0 16:9 -r 29.97 -i
> 0:0 -f alsa -ac 2 -ab 48k -minrate 3000k -maxrate 3000k -bufsize 2600k
> -i pulse -c:v mpeg2video -b:v 2600k -c:a ac3 -b:a 192k -dialnorm -24
> -streamid 0:97 -streamid 1:100 -mpegts_pmt_start_pid 0x1000
> -mpegts_service_id 0x0006 -f mpegts pipe: |
> ~/master-2.7.2.1/Examples/ASI/txtest /dev/asitx0 71 69

Is the txtest available in source form? what happens if you feed it with
a ready made ts file?

lu


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