On Tue, Mar 18, 2008 at 3:29 PM, Mike Melanson <[EMAIL PROTECTED]> wrote: > Deep Pal wrote: > > Of course I understand that, say one applicant mentions now and the other > > mentions later and both qualify through the qualifying task. Will the > > guy who mentioned > > earlier be getting more priority. > > The formal process works like this: > > * All interested students submit entries through Google's web interface > starting on March 24. > * The FFmpeg mentors privately rank and comment upon the various > applications in Google's web interface. > > > > Yes, which raw files to start encoding with. > > Any movies you wish. I know of raw YUV reference streams, but they are > interlaced. And they're huge to download. > > I'm not certain about this, but perhaps you may wish to start with video > compressed with VQ methods since the data hasn't been quantized in the > conventional JPEG/MPEG way already. Just a feeling; someone will call me > on this if I'm wrong. Here are some VQ samples: > > http://samples.mplayerhq.hu/game-formats/idroq/ > http://samples.mplayerhq.hu/V-codecs/SVQ1/ > > > > And also how to go about with the testing? > > My first impulse would be something like this: > > * Transcode video to sequence of JPEG files as a baseline reference: > - mkdir baseline-reference: > - ffmpeg -i <video> baseline-reference/%05d.jpg > * make your changes, recompile > * Transcode video to a new sequence of JPEG files: > - ffmpeg -i <video> optimal/%05d.jpg > > Are the files in the optimal/ subdirectory valid (use a viewer to > visually inspect)? Are they consistently smaller than the files in > baseline-reference/? If so, then you might have achieved the goal. > > And when you get to this point, we should probably run another test to > ensure the various files are equal after entropy coding (I think they > should be). > > Hope this helps... > -- > > > -Mike Melanson > _______________________________________________ > FFmpeg-soc mailing list > [email protected] > https://lists.mplayerhq.hu/mailman/listinfo/ffmpeg-soc >
Thanks a lot Mike for the guideline and all the help. I will get back once I have reach the stage you have mentioned. Regards, Deep _______________________________________________ FFmpeg-soc mailing list [email protected] https://lists.mplayerhq.hu/mailman/listinfo/ffmpeg-soc
