Define low latency output stream (formerly primary)
Bug: 29164107
Change-Id: Ic31ee9bc85f39026918f9a7b7f379454d99b0009
diff --git a/media/java/android/media/AudioManager.java b/media/java/android/media/AudioManager.java
index f19a262..33c1c3f 100644
--- a/media/java/android/media/AudioManager.java
+++ b/media/java/android/media/AudioManager.java
@@ -3289,7 +3289,10 @@
/**
* Used as a key for {@link #getProperty} to request the native or optimal output sample rate
- * for this device's primary output stream, in decimal Hz.
+ * for this device's low latency output stream, in decimal Hz. Latency-sensitive apps
+ * should use this value as a default, and offer the user the option to override it.
+ * The low latency output stream is typically either the device's primary output stream,
+ * or another output stream with smaller buffers.
*/
// FIXME Deprecate
public static final String PROPERTY_OUTPUT_SAMPLE_RATE =
@@ -3297,7 +3300,10 @@
/**
* Used as a key for {@link #getProperty} to request the native or optimal output buffer size
- * for this device's primary output stream, in decimal PCM frames.
+ * for this device's low latency output stream, in decimal PCM frames. Latency-sensitive apps
+ * should use this value as a minimum, and offer the user the option to override it.
+ * The low latency output stream is typically either the device's primary output stream,
+ * or another output stream with smaller buffers.
*/
// FIXME Deprecate
public static final String PROPERTY_OUTPUT_FRAMES_PER_BUFFER =
