search for: theoradecoder

Hello everybody ! I am working on a php class to enable, on the server-side, to extract useful data from Ogg theora videos. http://opensource.grisambre.net/ogg . I need to have it extract a thumbnail picture from a video (much like dailymotion or youtube). Right now, I am doing it using the ffmpeg-php extension (for picture extraction only), but the problem is that this module is available on

...just after a Theora encoding filter ? I was able to do that with XViD and many other codecs. Aren't encoded frames directly sinkable by the decoder ? To resume a simple situation which is not working in GraphEdit, let's image this : VideoCaptureSource ( webcam ) => TheoraEncoder => TheoraDecoder => VideoRenderer Thanks in advance for your help. Olivier.

hi all, i'm trying to code a tool to get some images from a ogg/theora file .... so basically i need to get a frame and convert to rgb ... and here is my question (sorry, i'm newbe here) ... how to convert a yuv_buffer to a rgb matrix ? i tryied diferent ways but my mistakes are bassically cause i don't understant how yuv_buffer structure works ... anybody can help? thanks a lot.