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gain
s<0~(m-1)>_codectype
s<0~(m-1)>_
resolution
s<0~(m-1)>_
mpeg4_
intraperiod
s<0~(m-1)>_mpeg4_
ratecontrolmode
s<0~(m-1)>_
mpeg4_quant
s<0~(m-1)>_
mpeg4_bitrate
1~15
4/4
mpeg4,
4/4
mjpeg
176x144,
4/4
320x240,
640x480
250,
4/4
500,
1000,
2000,
3000,
4000,
cbr,
4/4
vbr
1,
4/4
2,
3,
4,
5
20000,
4/4
30000,
40000,
50000,
64000,
128000,
256000,
384000,
512000,
768000,
1000000,
1200000,
1500000,
2000000,
3000000,
4000000
Indicate gain of input
1 => 0dB
2 => 2dB
3 => 4dB
4 => 6dB
5 => 8dB
6 => 10dB
7 => 12dB
8 => 14dB
9 => 16dB
10 => 18dB
11 => 20dB
12 => 22dB
13 => 24dB
14 => 26dB
15 => 28dB
Video codec type
mpeg4 => MPEG-4
mjpeg => JPEG
Video resolution in pixel
176x144 => 176x144
320x240 => 320x240
640x480 => 640x480
The period of intra frame in milliseconds
250 => 1/4 S
500 => 1/2 S
1000 =>1 S
2000 => 2 S
3000 => 3 S
4000 => 4 S
cbr => constant bitrate
vbr => fix quality
Quality of video when choosing vbr in "ratecontrolmode". 1 is
worst quality and 5 is the best quality.
1 => medium
2 => standard
3 => good
4 => detailed
5 => excellent
Set bit rate in bps when choose cbr in "ratecontrolmode".
20000 => 20 Kbps
30000 => 30 Kbps
40000 => 40 Kbps
50000 => 50 Kbps
64000 => 64 Kbps
128000 => 128 Kbps
256000 => 256 Kbps
512000 => 512 Kbps
768000 => 768 Kbps
1000000 => 1 Mbps
1500000 => 1.5 Mbps
2000000 => 2 Mbps
3000000 => 3 Mbps
4000000 => 4 Mbps
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