Add channel index mask to AudioRecord (98d4ca62) · Commits · e / os / android_frameworks_base

core/jni/android_media_AudioRecord.cpp

+11 −3

Original line number	Diff line number	Diff line
		@@ -145,8 +145,7 @@ static sp<AudioRecord> setAudioRecord(JNIEnv* env, jobject thiz, const sp<AudioR
		// ----------------------------------------------------------------------------
		static jint
		android_media_AudioRecord_setup(JNIEnv *env, jobject thiz, jobject weak_this,
		jobject jaa, jint sampleRateInHertz, jint channelMask,
		// Java channel masks map directly to the native definition
		jobject jaa, jint sampleRateInHertz, jint channelMask, jint channelIndexMask,
		jint audioFormat, jint buffSizeInBytes, jintArray jSession)
		{
		//ALOGV(">> Entering android_media_AudioRecord_setup");
		@@ -158,6 +157,15 @@ android_media_AudioRecord_setup(JNIEnv *env, jobject thiz, jobject weak_this,
		return (jint) AUDIO_JAVA_ERROR;
		}

		// channel index mask takes priority over channel position masks.
		if (channelIndexMask) {
		// Java channel index masks need the representation bits set.
		channelMask = audio_channel_mask_from_representation_and_bits(
		AUDIO_CHANNEL_REPRESENTATION_INDEX,
		channelIndexMask);
		}
		// Java channel position masks map directly to the native definition

		if (!audio_is_input_channel(channelMask)) {
		ALOGE("Error creating AudioRecord: channel mask %#x is not valid.", channelMask);
		return (jint) AUDIORECORD_ERROR_SETUP_INVALIDCHANNELMASK;
		@@ -583,7 +591,7 @@ static JNINativeMethod gMethods[] = {
		// name, signature, funcPtr
		{"native_start", "(II)I", (void *)android_media_AudioRecord_start},
		{"native_stop", "()V", (void *)android_media_AudioRecord_stop},
		{"native_setup", "(Ljava/lang/Object;Ljava/lang/Object;IIII[I)I",
		{"native_setup", "(Ljava/lang/Object;Ljava/lang/Object;IIIII[I)I",
		(void *)android_media_AudioRecord_setup},
		{"native_finalize", "()V", (void *)android_media_AudioRecord_finalize},
		{"native_release", "()V", (void *)android_media_AudioRecord_release},

media/java/android/media/AudioRecord.java

+19 −9

Original line number	Diff line number	Diff line
		@@ -166,9 +166,13 @@ public class AudioRecord
		*/
		private int mChannelCount;
		/**
		* The audio channel mask
		* The audio channel position mask
		*/
		private int mChannelMask;
		/**
		* The audio channel index mask
		*/
		private int mChannelIndexMask;
		/**
		* The encoding of the audio samples.
		* @see AudioFormat#ENCODING_PCM_8BIT
		@@ -344,14 +348,19 @@ public class AudioRecord

		audioParamCheck(attributes.getCapturePreset(), rate, encoding);

		int channelMask = AudioFormat.CHANNEL_IN_DEFAULT;
		if ((format.getPropertySetMask()
		& AudioFormat.AUDIO_FORMAT_HAS_PROPERTY_CHANNEL_MASK) != 0)
		{
		channelMask = format.getChannelMask();
		& AudioFormat.AUDIO_FORMAT_HAS_PROPERTY_CHANNEL_INDEX_MASK) != 0) {
		mChannelIndexMask = format.getChannelIndexMask();
		mChannelCount = format.getChannelCount();
		}
		if ((format.getPropertySetMask()
		& AudioFormat.AUDIO_FORMAT_HAS_PROPERTY_CHANNEL_MASK) != 0) {
		mChannelMask = getChannelMaskFromLegacyConfig(format.getChannelMask(), false);
		mChannelCount = format.getChannelCount();
		} else if (mChannelIndexMask == 0) {
		mChannelMask = getChannelMaskFromLegacyConfig(AudioFormat.CHANNEL_IN_DEFAULT, false);
		mChannelCount = AudioFormat.channelCountFromInChannelMask(mChannelMask);
		}
		mChannelCount = AudioFormat.channelCountFromInChannelMask(channelMask);
		mChannelMask = getChannelMaskFromLegacyConfig(channelMask, false);

		audioBuffSizeCheck(bufferSizeInBytes);

		@@ -360,7 +369,8 @@ public class AudioRecord
		//TODO: update native initialization when information about hardware init failure
		// due to capture device already open is available.
		int initResult = native_setup( new WeakReference<AudioRecord>(this),
		mAudioAttributes, mSampleRate, mChannelMask, mAudioFormat, mNativeBufferSizeInBytes,
		mAudioAttributes, mSampleRate, mChannelMask, mChannelIndexMask,
		mAudioFormat, mNativeBufferSizeInBytes,
		session);
		if (initResult != SUCCESS) {
		loge("Error code "+initResult+" when initializing native AudioRecord object.");
		@@ -1269,7 +1279,7 @@ public class AudioRecord

		private native final int native_setup(Object audiorecord_this,
		Object /AudioAttributes/ attributes,
		int sampleRate, int channelMask, int audioFormat,
		int sampleRate, int channelMask, int channelIndexMask, int audioFormat,
		int buffSizeInBytes, int[] sessionId);

		// TODO remove: implementation calls directly into implementation of native_release()