audio: modify config files for lowlatency implementation

Change-Id: Id38e6503a44f8d57deab458774bc3673e37e7a70 Signed-off-by: Iliyan Malchev <[email protected]>
ChiyuanFeng · Sep 14, 2012 · baf3522 · baf3522
1 parent e0aa19f
commit baf3522
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Showing 2 changed files with 612 additions and 17 deletions.
diff --git a/audio_policy.conf b/audio_policy.conf
@@ -23,12 +23,19 @@ audio_hw_modules {
   primary {
     outputs {
       primary {
-        sampling_rates 44100
+        sampling_rates 44100|48000
         channel_masks AUDIO_CHANNEL_OUT_STEREO
         formats AUDIO_FORMAT_PCM_16_BIT
         devices AUDIO_DEVICE_OUT_EARPIECE|AUDIO_DEVICE_OUT_SPEAKER|AUDIO_DEVICE_OUT_WIRED_HEADSET|AUDIO_DEVICE_OUT_WIRED_HEADPHONE|AUDIO_DEVICE_OUT_ALL_SCO|AUDIO_DEVICE_OUT_AUX_DIGITAL
         flags AUDIO_OUTPUT_FLAG_PRIMARY
       }
+      deep_buffer {
+         sampling_rates 8000|11025|12000|16000|22050|24000|32000|44100|48000
+         channel_masks AUDIO_CHANNEL_OUT_STEREO
+         formats AUDIO_FORMAT_PCM_16_BIT
+         devices AUDIO_DEVICE_OUT_SPEAKER|AUDIO_DEVICE_OUT_EARPIECE|AUDIO_DEVICE_OUT_WIRED_HEADSET|AUDIO_DEVICE_OUT_WIRED_HEADPHONE|AUDIO_DEVICE_OUT_ALL_SCO|AUDIO_DEVICE_OUT_AUX_DIGITAL
+         flags AUDIO_OUTPUT_FLAG_DEEP_BUFFER
+      }
     }
     inputs {
       primary {