[mythtv-users] ivtv Maximum bitrate
crow.jamesm at gmail.com
Tue Jun 22 14:40:22 UTC 2010
On Tue, Jun 22, 2010 at 9:27 AM, George Mari
<george_mythusers at mari1938.org> wrote:
> Increase the size of your buffers for the ivtv driver. I have the following
> line in the equivalent of modprobe.conf:
> options ivtv enc_mpg_buffers=16 enc_vbi_buffers=8
> This increases the encoder mpeg buffer size to 16MB from a default of 4MB,
> and the VBI buffer size to 8MB from a default of 1MB.
> Type "modinfo ivtv" to see all the options you can pass to the driver.
> I would gradually increase the buffer size until the errors go away.
I had already increased the mpeg buffers, but forgot about the vbi
buffers. I now have this:
options ivtv ivtv_first_minor=0 enc_mpg_buffers=32 enc_vbi_buffers=8
It multiplies the mpeg, vbi, and pcm default buffers by 4 .
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