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Hi all I'm currently writing a decoder for Ogg Theora videos. Since I'd like to show the progress of the video, I need to know how to read the current (with granulepos?) and total number of frames from the Theora header. I didn't find an appropriate field in the header specifications for the total number. Thanks for helping me out with this. Regards, Stefan

Dear all I'm aware that there have been several discussions about the seeking issue and I'm sorry to bring this up again. To solve the problem with Inter-Frame garbage, a seek to the previous keyframe has to be made. The keyframe number should be extracted from the granulepos of the frame where we want to seek to. I hope I understood the theory - unfortunately a few questions have

Hi Sahana I must admit I'm not an expert in Theora. But the error message "Could not set keyframe interval to 64" might indicate that an attempt to set the keyframe frequency failed. Have a look at the keyframe_granule_shift attribute in the th_info struct. It says: The maximum distance between key frames is 1<<keyframe_granule_shift. So I could imagine that the error might

Dear all I'm currently using a simple encoding implementation based on the encoding example delivered with theora. Now i tried to change the quality of the output file. Its my understanding, that either a bitrate can be set for Constant Bitrate (CBR) encoding, or a quality (0-63) for Variable Bitrate (VBR). As you might know, the basic Encoder Example uses the so-called 2-Pass method for