AudioSystem: added JNI for routing extensions (b69681c8) · Commits · e / os / android_frameworks_base

core/jni/android_media_AudioFormat.h

+54 −0

Original line number	Diff line number	Diff line
		@@ -23,6 +23,11 @@
		#define ENCODING_PCM_16BIT 2
		#define ENCODING_PCM_8BIT 3
		#define ENCODING_PCM_FLOAT 4
		#define ENCODING_INVALID 0
		#define ENCODING_DEFAULT 1

		#define CHANNEL_INVALID 0
		#define CHANNEL_OUT_DEFAULT 1

		static inline audio_format_t audioFormatToNative(int audioFormat)
		{
		@@ -33,9 +38,58 @@ static inline audio_format_t audioFormatToNative(int audioFormat)
		return AUDIO_FORMAT_PCM_8_BIT;
		case ENCODING_PCM_FLOAT:
		return AUDIO_FORMAT_PCM_FLOAT;
		case ENCODING_DEFAULT:
		return AUDIO_FORMAT_DEFAULT;
		default:
		return AUDIO_FORMAT_INVALID;
		}
		}

		static inline int audioFormatFromNative(audio_format_t nativeFormat)
		{
		switch (nativeFormat) {
		case AUDIO_FORMAT_PCM_16_BIT:
		return ENCODING_PCM_16BIT;
		case AUDIO_FORMAT_PCM_8_BIT:
		return ENCODING_PCM_8BIT;
		case AUDIO_FORMAT_PCM_FLOAT:
		return ENCODING_PCM_FLOAT;
		case AUDIO_FORMAT_DEFAULT:
		return ENCODING_DEFAULT;
		default:
		return ENCODING_INVALID;
		}
		}

		static inline audio_channel_mask_t outChannelMaskToNative(int channelMask)
		{
		switch (channelMask) {
		case CHANNEL_OUT_DEFAULT:
		case CHANNEL_INVALID:
		return AUDIO_CHANNEL_NONE;
		default:
		return (audio_channel_mask_t)(channelMask>>2);
		}
		}

		static inline int outChannelMaskFromNative(audio_channel_mask_t nativeMask)
		{
		switch (nativeMask) {
		case AUDIO_CHANNEL_NONE:
		return CHANNEL_OUT_DEFAULT;
		default:
		return (int)nativeMask<<2;
		}
		}

		static inline audio_channel_mask_t inChannelMaskToNative(int channelMask)
		{
		return (audio_channel_mask_t)channelMask;
		}

		static inline int inChannelMaskFromNative(audio_channel_mask_t nativeMask)
		{
		return (int)nativeMask;
		}

		#endif // ANDROID_MEDIA_AUDIOFORMAT_H

core/jni/android_media_AudioSystem.cpp

+953 −1

File changed.

Preview size limit exceeded, changes collapsed.

media/java/android/media/AudioManager.java

+125 −5

Original line number	Diff line number	Diff line
		@@ -3003,7 +3003,7 @@ public class AudioManager {
		* @hide
		*/
		public int listAudioPorts(ArrayList<AudioPort> ports) {
		return ERROR_INVALID_OPERATION;
		return updateAudioPortCache(ports, null);
		}

		/**
		@@ -3012,7 +3012,17 @@ public class AudioManager {
		* @hide
		*/
		public int listAudioDevicePorts(ArrayList<AudioPort> devices) {
		return ERROR_INVALID_OPERATION;
		ArrayList<AudioPort> ports = new ArrayList<AudioPort>();
		int status = updateAudioPortCache(ports, null);
		if (status == SUCCESS) {
		devices.clear();
		for (int i = 0; i < ports.size(); i++) {
		if (ports.get(i) instanceof AudioDevicePort) {
		devices.add(ports.get(i));
		}
		}
		}
		return status;
		}

		/**
		@@ -3041,7 +3051,7 @@ public class AudioManager {
		public int createAudioPatch(AudioPatch[] patch,
		AudioPortConfig[] sources,
		AudioPortConfig[] sinks) {
		return ERROR_INVALID_OPERATION;
		return AudioSystem.createAudioPatch(patch, sources, sinks);
		}

		/**
		@@ -3056,7 +3066,7 @@ public class AudioManager {
		* @hide
		*/
		public int releaseAudioPatch(AudioPatch patch) {
		return ERROR_INVALID_OPERATION;
		return AudioSystem.releaseAudioPatch(patch);
		}

		/**
		@@ -3065,7 +3075,7 @@ public class AudioManager {
		* @hide
		*/
		public int listAudioPatches(ArrayList<AudioPatch> patches) {
		return ERROR_INVALID_OPERATION;
		return updateAudioPortCache(null, patches);
		}

		/**
		@@ -3114,4 +3124,114 @@ public class AudioManager {
		*/
		public void unregisterAudioPortUpdateListener(OnAudioPortUpdateListener l) {
		}

		//
		// AudioPort implementation
		//

		static final int AUDIOPORT_GENERATION_INIT = 0;
		Integer mAudioPortGeneration = new Integer(AUDIOPORT_GENERATION_INIT);
		ArrayList<AudioPort> mAudioPortsCached = new ArrayList<AudioPort>();
		ArrayList<AudioPatch> mAudioPatchesCached = new ArrayList<AudioPatch>();

		int resetAudioPortGeneration() {
		int generation;
		synchronized (mAudioPortGeneration) {
		generation = mAudioPortGeneration;
		mAudioPortGeneration = AUDIOPORT_GENERATION_INIT;
		}
		return generation;
		}

		int updateAudioPortCache(ArrayList<AudioPort> ports, ArrayList<AudioPatch> patches) {
		synchronized (mAudioPortGeneration) {

		if (mAudioPortGeneration == AUDIOPORT_GENERATION_INIT) {
		int[] patchGeneration = new int[1];
		int[] portGeneration = new int[1];
		int status;
		ArrayList<AudioPort> newPorts = new ArrayList<AudioPort>();
		ArrayList<AudioPatch> newPatches = new ArrayList<AudioPatch>();

		do {
		newPorts.clear();
		status = AudioSystem.listAudioPorts(newPorts, portGeneration);
		Log.i(TAG, "updateAudioPortCache AudioSystem.listAudioPorts() status: "+
		status+" num ports: "+ newPorts.size() +" portGeneration: "+portGeneration[0]);
		if (status != SUCCESS) {
		return status;
		}
		newPatches.clear();
		status = AudioSystem.listAudioPatches(newPatches, patchGeneration);
		Log.i(TAG, "updateAudioPortCache AudioSystem.listAudioPatches() status: "+
		status+" num patches: "+ newPatches.size() +" patchGeneration: "+patchGeneration[0]);
		if (status != SUCCESS) {
		return status;
		}
		} while (patchGeneration[0] != portGeneration[0]);

		for (int i = 0; i < newPatches.size(); i++) {
		for (int j = 0; j < newPatches.get(i).sources().length; j++) {
		AudioPortConfig portCfg = updatePortConfig(newPatches.get(i).sources()[j], newPorts);
		if (portCfg == null) {
		return ERROR;
		}
		newPatches.get(i).sources()[j] = portCfg;
		}
		for (int j = 0; j < newPatches.get(i).sinks().length; j++) {
		AudioPortConfig portCfg = updatePortConfig(newPatches.get(i).sinks()[j], newPorts);
		if (portCfg == null) {
		return ERROR;
		}
		newPatches.get(i).sinks()[j] = portCfg;
		}
		}

		mAudioPortsCached = newPorts;
		mAudioPatchesCached = newPatches;
		mAudioPortGeneration = portGeneration[0];
		}
		if (ports != null) {
		ports.clear();
		ports.addAll(mAudioPortsCached);
		}
		if (patches != null) {
		patches.clear();
		patches.addAll(mAudioPatchesCached);
		}
		}
		return SUCCESS;
		}

		AudioPortConfig updatePortConfig(AudioPortConfig portCfg, ArrayList<AudioPort> ports) {
		AudioPort port = portCfg.port();
		int k;
		for (k = 0; k < ports.size(); k++) {
		// compare handles because the port returned by JNI is not of the correct
		// subclass
		if (ports.get(k).handle().equals(port.handle())) {
		Log.i(TAG, "updatePortConfig match found for port handle: "+
		port.handle().id()+" port: "+ k);
		port = ports.get(k);
		break;
		}
		}
		if (k == ports.size()) {
		// this hould never happen
		Log.e(TAG, "updatePortConfig port not found for handle: "+port.handle().id());
		return null;
		}
		AudioGainConfig gainCfg = portCfg.gain();
		if (gainCfg != null) {
		AudioGain gain = port.gain(gainCfg.index());
		gainCfg = gain.buildConfig(gainCfg.mode(),
		gainCfg.channelMask(),
		gainCfg.values(),
		gainCfg.rampDurationMs());
		}
		return port.buildConfig(portCfg.samplingRate(),
		portCfg.channelMask(),
		portCfg.format(),
		gainCfg);
		}
		}

media/java/android/media/AudioSystem.java

+8 −0

Original line number	Diff line number	Diff line
		@@ -16,6 +16,7 @@

		package android.media;

		import java.util.ArrayList;

		/* IF YOU CHANGE ANY OF THE CONSTANTS IN THIS FILE, DO NOT FORGET
		* TO UPDATE THE CORRESPONDING NATIVE GLUE AND AudioManager.java.
		@@ -458,4 +459,11 @@ public class AudioSystem

		public static native int setLowRamDevice(boolean isLowRamDevice);
		public static native int checkAudioFlinger();

		public static native int listAudioPorts(ArrayList<AudioPort> ports, int[] generation);
		public static native int createAudioPatch(AudioPatch[] patch,
		AudioPortConfig[] sources, AudioPortConfig[] sinks);
		public static native int releaseAudioPatch(AudioPatch patch);
		public static native int listAudioPatches(ArrayList<AudioPatch> patches, int[] generation);
		}