search for: audiobuf_granulepos

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2010 Aug 15
2
Beginner Hurdles
...bes how Vorbis does timing, so I came up with the following code, where I calculate my own timing based on the current byte position in the audio stream: *audioStartTime = audiobuf_time; // return the buffer time from the last call, which was the start of the buffer audiobuf_time = ((double) audiobuf_granulepos)/vi.rate; audiobuf_granulepos += (*numBytes/2)/2; // a granule is a left/right stereo pair, so the [size in bytes divided by 16 bits (2 bytes) divided by stereo (2 chans)] *audioStaleTime = audiobuf_time; As far as I can tell, this results in proper syncing but I could be off a frame and not...