[pvrusb2] audio pops and cracks in the recordings

[Mike Isely]

On Sun, 21 Jan 2007, devsk wrote:

> Another thing I notice is that I have two sets of firmware for cx25840. I think I extracted these files from the latest pvr usb2 driver from hauppauge following the instructions. All files match (as reported by diff) except v4l-cx25840.fw.
> 
> from the package media-tv/pvr-firmware :
> 
> $ l /lib/firmware/archive/
> total 697
> drwxr-xr-x 2 root root      8 Nov 25 22:53 ./
> drwxr-xr-x 4 root root      8 Dec  8 20:47 ../
> -rw-r--r-- 1 root root 262144 Nov 25 09:20 v4l-cx2341x-dec.fw
> -rw-r--r-- 1 root root 262144 Nov 25 09:20 v4l-cx2341x-enc.fw
> -rw-r--r-- 1 root root 155648 Nov 25 09:20 v4l-cx2341x-init.mpg
> -rw-r--r-- 1 root root  16382 Nov 25 09:20 v4l-cx25840.fw
> -rw-r--r-- 1 root root   8192 Nov 25 09:20 v4l-pvrusb2-24xxx-01.fw
> -rw-r--r-- 1 root root   8192 Nov 25 09:20 v4l-pvrusb2-29xxx-01.fw
> 
> I extracted:
> 
> $ l /lib/firmware
> total 294
> drwxr-xr-x  4 root root      8 Dec  8 20:47 ./
> drwxr-xr-x 11 root root    155 Jan 17 07:52 ../
> drwxr-xr-x  2 root root      8 Nov 25 22:53 archive/
> drwxr-xr-x  2 root root      6 Dec  8 12:34 generated-by-me/
> -rw-r--r--  1 root root 262144 Dec  8 20:47 v4l-cx2341x-enc.fw
> -rw-r--r--  1 root root  12559 Dec  8 20:47 v4l-cx25840.fw
> -rw-r--r--  1 root root   8192 Dec  8 20:47 v4l-pvrusb2-24xxx-01.fw
> -rw-r--r--  1 root root   8192 Dec  8 20:47 v4l-pvrusb2-29xxx-01.fw
> 
> I think while I was trying to get it to work, I must have extracted the firmware from latest online drivers in desperation and never changed back. Do I need to change it back to the firmware from the package media-tv/pvr-firmware?

No, I haven't hit a case yet where a specific cx25840 firmware version 
might cause trouble.  That's probably ok.

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