ComputeBufferSize
bufferGroup = new BBufferGroup(ComputeBufferSize(),count);
return ComputeBufferSize(output.format);
bufferPeriod = bigtime_t(1000.0 * 8.0 * ComputeBufferSize(format)
bufferPeriod = bigtime_t(1000.0 * 8.0 * ComputeBufferSize(format)
bufferPeriod = bigtime_t(1000.0 * 8.0 * ComputeBufferSize(format)
bufferPeriod = bigtime_t(1000000.0 * ComputeBufferSize(format)
virtual uint32 ComputeBufferSize();
static uint32 ComputeBufferSize(const media_format & format);