implement AudioManagerMac::GetPreferredLowLatencyOutputStreamParameters(

Use clients' preferred buffer size when the sample rates match and it is a number smaller than 2047.

BUG=152780
TEST=apprtc.appspot.com/?debug=loopback, no choppy audio

Committed: http://src.chromium.org/viewvc/chrome?view=rev&revision=159666

[no longer working on chromium, 2012-10-01 11:01:32]

Dale, could you please take a quick review?

[DaleCurtis, 2012-10-01 17:37:36]

lgtm % nits.

https://codereview.chromium.org/11014015/diff/2001/media/audio/mac/audio_mana...
File media/audio/mac/audio_manager_mac.cc (right):

https://codereview.chromium.org/11014015/diff/2001/media/audio/mac/audio_mana...
media/audio/mac/audio_manager_mac.cc:30: static const int kMaxBufferSize = 2047;
Add some comment about low latency specifically. Maybe kMaxLowLatencyBufferSize.

[no longer working on chromium, 2012-10-02 08:06:22]

http://codereview.chromium.org/11014015/diff/2001/media/audio/mac/audio_manag...
File media/audio/mac/audio_manager_mac.cc (right):

http://codereview.chromium.org/11014015/diff/2001/media/audio/mac/audio_manag...
media/audio/mac/audio_manager_mac.cc:30: static const int kMaxBufferSize = 2047;
On 2012/10/01 17:37:36, DaleCurtis wrote:
> Add some comment about low latency specifically. Maybe
kMaxLowLatencyBufferSize.

Done.

[commit-bot: I haz the power, 2012-10-02 08:06:35]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/xians@chromium.org/11014015/7001

[commit-bot: I haz the power, 2012-10-02 09:51:39]

Change committed as 159666