On 03/31/2010 02:10 PM, Michael Niedermayer wrote:
On Thu, Apr 01, 2010 at 12:17:28AM +0530, Jai Menon wrote:
On Thu, Apr 1, 2010 at 12:08 AM, Stefano Sabatini
<[email protected]> wrote:
[...]
As for the qualification task, in the case people don't like the
vf_imlib2 port, I suggest a deinterlace/interlace filter which seems
needed for video filters integration in ffmpeg, I believe there is
something in MPlayer/libmpcodecs which can be used as reference, but
as I said anything related to audio/filtering should be OK for showing
us if you seem able to accomplish the GSoC task.
I'm not sure how far along the libavfilter audio scaffolding is but a
simple volume filter perhaps.
If the goal of the project is to design a audio filter layer and
implement it. then the qualification task should contain part of
the designing. That is unless the mentor will do the design and
the student then just implements it.
either way designing the audio filter system, and discussing this
design early and getting this design approved before implementing
it seems appropriate.
Or is there some useable design already?
[...]
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Hi All,
Based on the posts above, here's what I was thinking of doing as a
qualification task :
1. Fix the configure_filters function in ffmpeg.c to work for both video
and audio filters.
2. Bring the af_null and af_vol filters from soc/afilters to
soc/avfilter and generalize avfilter framework to work with the af_*
filters. This should involve a minimal design for the avfilter audio
changes.
3. af_vol currently just scales input by two. Modify af_vol to have some
basic volume filter functionality.
Please let me know if I have understood the tasks right and if this will
work as a qualification task.
Thanks,
Hemanth
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