When converting desktop video to either a stream to send to an ASI
card or a .ts file, the output registers a video ES of 104+Mbps, even
though we're encoding to MPEG2 with bitrate restrictions. The
command we're using is as follows:
avconv -f x11grab -s hd720 -aspect:0 16:9 -i 0:0 -f alsa -ac 2 -ab
48k -i pulse -c:v mpeg2video -s hd720 -g 28 -qscale 10 -pix_fmt
yuv422p -r 59.94 -b:v 2880k -c:a ac3 -b:a 192k -dialnorm -24
-channel_layout 3 -streamid 0:97 -streamid 1:100
-timecode_frame_start:0 010000 -mpegts_pmt_start_pid 0x1000
-mpegts_service_id 0x0006 -f mpegts pipe: |/usr/local/bin/txtest -s 1
/dev/asitx0 55 192
Whether live through a multiplexer and TS reader or just as a .ts
file run through TSReader, the video Elementary Stream reads 104
Mbps. What am I doing wrong?
Michael R. Nelson
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