Define AudioMix state constants (cc98c67e) · Commits · e / os / android_frameworks_base

api/system-current.txt

+4 −0

Original line number	Diff line number	Diff line
		@@ -17855,6 +17855,10 @@ package android.media.audiofx {
		package android.media.audiopolicy {

		public class AudioMix {
		method public int getMixState();
		field public static final int MIX_STATE_DISABLED = -1; // 0xffffffff
		field public static final int MIX_STATE_IDLE = 0; // 0x0
		field public static final int MIX_STATE_MIXING = 1; // 0x1
		field public static final int ROUTE_FLAG_LOOP_BACK = 2; // 0x2
		field public static final int ROUTE_FLAG_RENDER = 1; // 0x1
		}

media/java/android/media/audiopolicy/AudioMix.java

+36 −0

Original line number	Diff line number	Diff line
		@@ -36,6 +36,7 @@ public class AudioMix {
		private int mRouteFlags;
		private String mRegistrationId;
		private int mMixType = MIX_TYPE_INVALID;
		private int mMixState = MIX_STATE_DISABLED;

		/**
		* All parameters are guaranteed valid through the Builder.
		@@ -48,6 +49,7 @@ public class AudioMix {
		mMixType = rule.getTargetMixType();
		}

		// ROUTE_FLAG_* values to keep in sync with frameworks/av/include/media/AudioPolicy.h
		/**
		* An audio mix behavior where the output of the mix is sent to the original destination of
		* the audio signal, i.e. an output device for an output mix, or a recording for an input mix.
		@@ -62,6 +64,7 @@ public class AudioMix {
		@SystemApi
		public static final int ROUTE_FLAG_LOOP_BACK = 0x1 << 1;

		// MIX_TYPE_* values to keep in sync with frameworks/av/include/media/AudioPolicy.h
		/**
		* @hide
		* Invalid mix type, default value.
		@@ -78,6 +81,39 @@ public class AudioMix {
		*/
		public static final int MIX_TYPE_RECORDERS = 1;


		// MIX_STATE_* values to keep in sync with frameworks/av/include/media/AudioPolicy.h
		/**
		* @hide
		* State of a mix before its policy is enabled.
		*/
		@SystemApi
		public static final int MIX_STATE_DISABLED = -1;
		/**
		* @hide
		* State of a mix when there is no audio to mix.
		*/
		@SystemApi
		public static final int MIX_STATE_IDLE = 0;
		/**
		* @hide
		* State of a mix that is actively mixing audio.
		*/
		@SystemApi
		public static final int MIX_STATE_MIXING = 1;

		/**
		* @hide
		* The current mixing state.
		* @return one of {@link #MIX_STATE_DISABLED}, {@link #MIX_STATE_IDLE},
		* {@link #MIX_STATE_MIXING}.
		*/
		@SystemApi
		public int getMixState() {
		return mMixState;
		}


		int getRouteFlags() {
		return mRouteFlags;
		}