Explicit routing in AudioRecord (2d6de4c3) · Commits · e / os / android_frameworks_base

api/current.txt

+2 −0

Original line number	Diff line number	Diff line
		@@ -14919,6 +14919,7 @@ package android.media {
		method public int getNativeFrameCount() throws java.lang.IllegalStateException;
		method public int getNotificationMarkerPosition();
		method public int getPositionNotificationPeriod();
		method public android.media.AudioDeviceInfo getPreferredInputDevice();
		method public int getRecordingState();
		method public int getSampleRate();
		method public int getState();
		@@ -14932,6 +14933,7 @@ package android.media {
		method public void release();
		method public int setNotificationMarkerPosition(int);
		method public int setPositionNotificationPeriod(int);
		method public boolean setPreferredInputDevice(android.media.AudioDeviceInfo);
		method public void setRecordPositionUpdateListener(android.media.AudioRecord.OnRecordPositionUpdateListener);
		method public void setRecordPositionUpdateListener(android.media.AudioRecord.OnRecordPositionUpdateListener, android.os.Handler);
		method public void startRecording() throws java.lang.IllegalStateException;

api/system-current.txt

+2 −0

Original line number	Diff line number	Diff line
		@@ -16129,6 +16129,7 @@ package android.media {
		method public int getNativeFrameCount() throws java.lang.IllegalStateException;
		method public int getNotificationMarkerPosition();
		method public int getPositionNotificationPeriod();
		method public android.media.AudioDeviceInfo getPreferredInputDevice();
		method public int getRecordingState();
		method public int getSampleRate();
		method public int getState();
		@@ -16142,6 +16143,7 @@ package android.media {
		method public void release();
		method public int setNotificationMarkerPosition(int);
		method public int setPositionNotificationPeriod(int);
		method public boolean setPreferredInputDevice(android.media.AudioDeviceInfo);
		method public void setRecordPositionUpdateListener(android.media.AudioRecord.OnRecordPositionUpdateListener);
		method public void setRecordPositionUpdateListener(android.media.AudioRecord.OnRecordPositionUpdateListener, android.os.Handler);
		method public void startRecording() throws java.lang.IllegalStateException;

core/jni/android_media_AudioRecord.cpp

+8 −0

Original line number	Diff line number	Diff line
		@@ -576,6 +576,13 @@ static jint android_media_AudioRecord_get_min_buff_size(JNIEnv *env, jobject th
		return frameCount * channelCount * audio_bytes_per_sample(format);
		}

		static jboolean android_media_AudioRecord_setInputDevice(
		JNIEnv *env, jobject thiz, jint device_id) {

		// sp<AudioRecord> lpRecorder = getAudioRecord(env, thiz);
		// return lpRecorder->setInputDevice(device_id) == NO_ERROR;
		return false;
		}

		// ----------------------------------------------------------------------------
		// ----------------------------------------------------------------------------
		@@ -608,6 +615,7 @@ static JNINativeMethod gMethods[] = {
		"()I", (void *)android_media_AudioRecord_get_pos_update_period},
		{"native_get_min_buff_size",
		"(III)I", (void *)android_media_AudioRecord_get_min_buff_size},
		{"native_setInputDevice", "(I)Z", (void *)android_media_AudioRecord_setInputDevice},
		};

		// field names found in android/media/AudioRecord.java

media/java/android/media/AudioRecord.java

+35 −0

Original line number	Diff line number	Diff line
		@@ -1174,6 +1174,39 @@ public class AudioRecord
		}


		//--------------------------------------------------------------------------
		// Explicit Routing
		//--------------------
		private AudioDeviceInfo mPreferredDevice = null;

		/**
		* Specifies an audio device (via an {@link AudioDeviceInfo} object) to route
		* the input to this AudioRecord.
		* @param deviceSpec The {@link AudioDeviceInfo} specifying the audio source.
		* If deviceSpec is null, default routing is restored.
		* @return true if successful, false if the specified {@link AudioDeviceInfo} is non-null and
		* does not correspond to a valid audio input device.
		*/
		public boolean setPreferredInputDevice(AudioDeviceInfo deviceInfo) {
		// Do some validation....
		if (deviceInfo != null && !deviceInfo.isSource()) {
		return false;
		}

		mPreferredDevice = deviceInfo;
		int preferredDeviceId = mPreferredDevice != null ? deviceInfo.getId() : 0;

		return native_setInputDevice(preferredDeviceId);
		}

		/**
		* Returns the selected input specified by {@link #setPreferredInputDevice}. Note that this
		* is not guarenteed to correspond to the actual device being used for recording.
		*/
		public AudioDeviceInfo getPreferredInputDevice() {
		return mPreferredDevice;
		}

		//---------------------------------------------------------
		// Interface definitions
		//--------------------
		@@ -1304,6 +1337,8 @@ public class AudioRecord
		static private native final int native_get_min_buff_size(
		int sampleRateInHz, int channelCount, int audioFormat);

		private native final boolean native_setInputDevice(int deviceId);


		//---------------------------------------------------------
		// Utility methods

media/java/android/media/AudioTrack.java

+8 −8

Original line number	Diff line number	Diff line
		@@ -2028,28 +2028,28 @@ public class AudioTrack
		private AudioDeviceInfo mPreferredDevice = null;

		/**
		* Specifies an audio device (via and {@link AudioDeviceInfo} object) to route
		* Specifies an audio device (via an {@link AudioDeviceInfo} object) to route
		* the output from this AudioTrack.
		* @param deviceSpec The {@link AudioDeviceInfo} specifying the physical audio device.
		* @param deviceSpec The {@link AudioDeviceInfo} specifying the audio sink.
		* If deviceSpec is null, default routing is restored.
		* @return true if succesful, false if the specified {@link AudioDeviceInfo} is non-null and
		* does not correspond to a valid audio output device.
		*/
		public boolean setPreferredOutputDevice(AudioDeviceInfo deviceSpec) {
		public boolean setPreferredOutputDevice(AudioDeviceInfo deviceInfo) {
		// Do some validation....
		if (deviceSpec != null && !deviceSpec.isSink()) {
		if (deviceInfo != null && !deviceInfo.isSink()) {
		return false;
		}

		mPreferredDevice = deviceSpec;
		int routingDeviceId = mPreferredDevice != null ? deviceSpec.getId() : 0;
		mPreferredDevice = deviceInfo;
		int preferredDeviceId = mPreferredDevice != null ? deviceInfo.getId() : 0;

		return native_setOutputDevice(routingDeviceId);
		return native_setOutputDevice(preferredDeviceId);
		}

		/**
		* Returns the selected output specified by {@link #setPreferredOutputDevice}. Note that this
		* is not guarenteed to correspond to the actual device being used for playback.
		* is not guaranteed to correspond to the actual device being used for playback.
		*/
		public AudioDeviceInfo getPreferredOutputDevice() {
		return mPreferredDevice;