On Tuesday 28 March 2006 22:49, Vladimir Ivashchenko wrote:
> Hi,
>
> It seems that even though I set bitrate_mode to 1 (CBR) the content
> is still not CBR. If I check it with various tools (such as tcscan)
> they show different peak and average bitrates.
>
> Any ideas?
I've seen that before. CBR may not work or only poorly. Could you try
with some different stream_type values? I've always wondered if it
might work with a specific stream type. Another point to look at is the
bitrate values. Try to experiment with different peak values for
example.
But again, it may turn out that it is simply a firmware/hardware bug. I
don't have time for testing this unfortunately, but I'm very interested
in hearing the results.
Hans
>
> [EMAIL PROTECTED] ivtv-0.4.3]# ivtvctl -C -d /dev/video0
> ioctl IVTV_IOC_G_CODEC ok
> Codec parameters
> aspect : 2
> audio : 0x00e8
> bframes : 3
> bitrate_mode: 1
> bitrate : 3000000
> bitrate_peak: 3000000
> dnr_mode : 0
> dnr_spatial : 0
> dnr_temporal: 8
> dnr_type : 0
> framerate : 0
> framespergop: 12
> gop_closure : 1
> pulldown : 0
> stream_type : 14
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