Anuradha,
do you know is there any way to get ffmpeg/mencoder to create the dirac file in an ogg container ? I have tried using -of lavf -lavfopts format=ogg, but it gives an error about not being able to mux with b-frames.

Regards,
Salsaman.
 

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https://www.ohloh.net/accounts/salsaman



On Sat, Jul 24, 2010 at 10:51 PM, Anuradha Suraparaju <asuraparaju@gmail.com> wrote:
The schroedinger encoder wrapper in ffmpeg handles only the following ffmpeg command line options:

-b  - target bitrate
-s  - width and height of the input video
-pix_fmt - chroma format
-f   - frame rate
-g - gop size
qscale - quality factor
ilme    - interlaced coding i.e coding individual fields rather than frames. This is buggy in the wrapper at the moment.

The rest of the encoding options offered by the schroedinger library are yet to be mapped to ffmpeg command line options.

Regards,
Anu

On Thu, Jul 15, 2010 at 11:08 PM, startx <startx@plentyfact.org> wrote:
hello.

ffmpeg2dirac offers me advanced options like
     --prefilter-strength, --intra, --numL1
     --mc-block-width  etc ...

i have two questions about that:

1) is there an overview about the equivalents to those options when
using ffmpeg instead of ffmpeg2dirac ? unfortunately i need to use
ffmpeg as my target container is not ogg.

2) i tried to find details on the dirac wiki and schroedinger website
which of those options i would use for what purpose. is this documented
somewhere?
my specific interest is to encode in high resolution and high quality,
file size does not matter so much.

cheers,

startx


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