Thanks a lot! On Saturday, May 23, 2015 at 7:00:14 AM UTC+5:30, Glenn Kasten wrote: > > normal tracks - PCM, typical buffer size is ~20 ms, higher latency > fast tracks - PCM, typical buffer size is 5 ms or less, lower latency > deep buffer - PCM, typical buffer size is >= 100 ms, very high latency, > intended to save power > codec offload - MP3/AAC/etc., very high latency, intended to save even > more power than deep buffer > > grep -r DEEP_BUFFER in frameworks/av/* is a starting point for details > > > On Thursday, May 21, 2015 at 12:32:39 PM UTC-7, 尹豪雲 wrote: >> >> Hello Experts, >> >> I am studying the Audio Framework recently. >> And I found the "deep buffer" playback which is used when playing MUSIC >> stream. Right? >> >> I wonder to know what is the difference by comparing with other playback. >> >> 1. Deep Buffer >> 2. Codec Offload >> 3. Normal Tracks >> >> I think I know what are Codec Offload & Normal Tracks for. >> But I don't understand "deep buffer" >> >> 1. How does "deep buffer" work? >> 2. Why music stream plays as "deep buffer" way? >> 3. What is the benefit of the "deep buffer" >> 5. Where can I find any reference data about "deep buffer" >> >> Thanks & Best Regards. >> >>
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