[mythtv-users] Denoise MPG2 DVD

[Phil Roberts]

I have one channel which I have to use the denoise selection in nuvexport to 
'clean up' the video.  On more than one occasion I have forgotten to enable 
denoise during export.  The result is much larger mpg files than normal ( 
Casino is over 5 GB ).  The original NUV file has been deleted so I can't 
re-export.

How can I send the exported DVD MPG2 file back into MythTV so nuvexport can 
reprocess it or how can I send it through yuvdenoise for processing?


Below are examples of without and with yuvdenoise processing using 
nuvexport.

Phil

--------------------------------
To encode:  Waterworld:  Untitled    <<<<<<<<< without yuvdenoise <<<<<<<<<
Use the following commands:

system call:
mkdir -m 0755 /tmp/fifodir_9065/

forking:
/usr/bin/nice -n19 /usr/local/bin/mythtranscode --showprogress -p autodetect 
-c 1074 -s 2006-09-30-20-44-20 -f "/tmp/fifodir_9065/" --honorcutlist 2>&1

forking:
/usr/bin/nice -n19 ffmpeg -y -f s16le -ar 32000 -ac 2 -i 
/tmp/fifodir_9065/audout -f rawvideo -pix_fmt yuv420p -s 640x480 -aspect 
1.33333333333333 -r 29.97 -i /tmp/fifodir_9065/vidout -aspect 1.3333 -r 
29.97 -deinterlace -croptop    10 -cropright 12 -cropbottom 10 -cropleft  12 
-s 720x480  -b 6000 -vcodec mpeg2video -qmin 5 -ab 192 -ar 48000 -acodec mp2 
-f dvd '/home/dvd/Waterworld.2.mpg' 2>&1



--------------------------------
To encode:  Waterworld:  Untitled  <<<<<<< with yuvdenoise <<<<<<<<<<<
Use the following commands:

system call:
mkdir -m 0755 /tmp/fifodir_9141/

forking:
/usr/bin/nice -n19 /usr/local/bin/mythtranscode --showprogress -p autodetect 
-c 1074 -s 2006-09-30-20-44-20 -f "/tmp/fifodir_9141/" --honorcutlist 2>&1

forking:
/usr/bin/nice -n19 ffmpeg -f rawvideo -s 640x480 -r 29.97 -i 
/tmp/fifodir_9141/vidout -f yuv4mpegpipe - 2> /dev/null | /usr/bin/nice -n19 
yuvdenoise 2> /dev/null | /usr/bin/nice -n19 ffmpeg -y -f s16le -ar 32000 
-ac 2 -i /tmp/fifodir_9141/audout -f yuv4mpegpipe -s 640x480 -aspect 
1.33333333333333 -r 29.97 -i - -aspect 1.3333 -r 29.97 -deinterlace -croptop 
    10 -cropright 12 -cropbottom 10 -cropleft  12 -s 720x480  -b 6000 
-vcodec mpeg2video -qmin 5 -ab 192 -ar 48000 -acodec mp2 -f dvd 
'/home/dvd/Waterworld.2.mpg' 2>&1