Effects: add a method to retrieve audio configuration (8d7da009) · Commits · e / devices / smdk4412 / android_frameworks_av

media/libaudioclient/Android.bp

+14 −0

Original line number	Diff line number	Diff line
		@@ -302,12 +302,26 @@ aidl_interface {
		double_loadable: true,
		vendor_available: true,
		srcs: [
		"aidl/android/media/EffectConfig.aidl",
		"aidl/android/media/IEffect.aidl",
		"aidl/android/media/IEffectClient.aidl",
		],
		imports: [
		"android.media.audio.common.types-V1",
		"shared-file-region-aidl",
		],
		backend: {
		cpp: {
		min_sdk_version: "29",
		apex_available: [
		"//apex_available:platform",
		"com.android.media",
		],
		},
		java: {
		sdk_version: "module_current",
		},
		},
		}

		aidl_interface {

+30 −0

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		@@ -529,6 +529,36 @@ status_t AudioEffect::getParameter(effect_param_t *param)
		return status;
		}

		status_t AudioEffect::getConfigs(
		audio_config_base_t inputCfg, audio_config_base_t outputCfg)
		{
		if (mProbe) {
		return INVALID_OPERATION;
		}
		if (mStatus != NO_ERROR && mStatus != ALREADY_EXISTS) {
		return mStatus;
		}
		if (inputCfg == NULL \|\| outputCfg == NULL) {
		return BAD_VALUE;
		}
		status_t status;
		media::EffectConfig cfg;
		Status bs = mIEffect->getConfig(&cfg, &status);
		if (!bs.isOk()) {
		status = statusTFromBinderStatus(bs);
		ALOGW("%s received status %d from binder transaction", __func__, status);
		return status;
		}
		if (status == NO_ERROR) {
		*inputCfg = VALUE_OR_RETURN_STATUS(aidl2legacy_AudioConfigBase_audio_config_base_t(
		cfg.inputCfg, cfg.isOnInputStream));
		*outputCfg = VALUE_OR_RETURN_STATUS(aidl2legacy_AudioConfigBase_audio_config_base_t(
		cfg.outputCfg, cfg.isOnInputStream));
		} else {
		ALOGW("%s received status %d from the effect", __func__, status);
		}
		return status;
		}

		// -------------------------------------------------------------------------

0 → 100644

+38 −0

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		/*
		* Copyright (C) 2022 The Android Open Source Project
		*
		* Licensed under the Apache License, Version 2.0 (the "License");
		* you may not use this file except in compliance with the License.
		* You may obtain a copy of the License at
		*
		* http://www.apache.org/licenses/LICENSE-2.0
		*
		* Unless required by applicable law or agreed to in writing, software
		* distributed under the License is distributed on an "AS IS" BASIS,
		* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
		* See the License for the specific language governing permissions and
		* limitations under the License.
		*/

		package android.media;

		import android.media.audio.common.AudioConfigBase;

		/**
		* Describes configuration of an audio effect. Input and output
		* audio configurations are described separately because the effect
		* can perform transformations on channel layouts, for example.
		*
		* {@hide}
		*/
		parcelable EffectConfig {
		/** Configuration of the audio input of the effect. */
		AudioConfigBase inputCfg;
		/** Configuration of the audio output of the effect. */
		AudioConfigBase outputCfg;
		/**
		* Specifies whether the effect is instantiated on an input stream,
		* e.g. on the input from a microphone.
		*/
		boolean isOnInputStream;
		}

+9 −0

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		@@ -16,6 +16,7 @@

		package android.media;

		import android.media.EffectConfig;
		import android.media.SharedFileRegion;

		/**
		@@ -63,6 +64,14 @@ interface IEffect {
		*/
		SharedFileRegion getCblk();

		/**
		* Provides audio configurations for effect's input and output,
		* see EffectConfig parcelable for more details.
		*
		* @return a status_t code.
		*/
		int getConfig(out EffectConfig config);

		// When adding a new method, please review and update
		// Effects.cpp AudioFlinger::EffectHandle::onTransact()
		// Effects.cpp IEFFECT_BINDER_METHOD_MACRO_LIST

+19 −0

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		@@ -577,6 +577,25 @@ public:
		uint32_t *replySize,
		void *replyData);

		/* Retrieves the configuration of the effect.
		*
		* Parameters:
		* inputCfg: pointer to audio_config_base_t structure receiving input
		* configuration of the effect
		* outputCfg: pointer to audio_config_base_t structure receiving output
		* configuration of the effect
		*
		* Channel masks of the returned configs are "input" or "output" depending
		* on the direction of the stream that the effect is attached to.
		*
		* Returned status (from utils/Errors.h) can be:
		* - NO_ERROR: successful operation.
		* - INVALID_OPERATION: the AudioEffect was not successfully initialized.
		* - BAD_VALUE: null config pointers
		* - DEAD_OBJECT: the effect engine has been deleted.
		*/
		virtual status_t getConfigs(audio_config_base_t *inputCfg,
		audio_config_base_t *outputCfg);

		/*
		* Utility functions.