Merge "MediaPlayer: fix channel mask handling"
diff --git a/media/audioserver/audioserver.rc b/media/audioserver/audioserver.rc
index 0bd0d88..d62dd91 100644
--- a/media/audioserver/audioserver.rc
+++ b/media/audioserver/audioserver.rc
@@ -8,6 +8,7 @@
     task_profiles ProcessCapacityHigh HighPerformance
     onrestart restart vendor.audio-hal
     onrestart restart vendor.audio-hal-aidl
+    onrestart restart vendor.audio-effect-hal-aidl
     onrestart restart vendor.audio-hal-4-0-msd
     onrestart restart audio_proxy_service
 
@@ -19,6 +20,7 @@
 on property:init.svc.audioserver=stopped
     stop vendor.audio-hal
     stop vendor.audio-hal-aidl
+    stop vendor.audio-effect-hal-aidl
     stop vendor.audio-hal-4-0-msd
     stop audio_proxy_service
     # See b/155364397. Need to have HAL service running for VTS.
@@ -26,12 +28,14 @@
     # audioserver bringing it back into running state.
     start vendor.audio-hal
     start vendor.audio-hal-aidl
+    start vendor.audio-effect-hal-aidl
     start vendor.audio-hal-4-0-msd
     start audio_proxy_service
 
 on property:init.svc.audioserver=running
     start vendor.audio-hal
     start vendor.audio-hal-aidl
+    start vendor.audio-effect-hal-aidl
     start vendor.audio-hal-4-0-msd
     start audio_proxy_service
 
@@ -40,10 +44,12 @@
     # Keep the original service names for backward compatibility
     stop vendor.audio-hal
     stop vendor.audio-hal-aidl
+    stop vendor.audio-effect-hal-aidl
     stop vendor.audio-hal-4-0-msd
     stop audio_proxy_service
     start vendor.audio-hal
     start vendor.audio-hal-aidl
+    start vendor.audio-effect-hal-aidl
     start vendor.audio-hal-4-0-msd
     start audio_proxy_service
     # reset the property
diff --git a/media/janitors/media_solutions_OWNERS b/media/janitors/media_solutions_OWNERS
index 8dc1c7b..69e3a5e 100644
--- a/media/janitors/media_solutions_OWNERS
+++ b/media/janitors/media_solutions_OWNERS
@@ -2,9 +2,9 @@
 # go/android-fwk-media-solutions for info on areas of ownership.
 
 # Main owners:
+adadukin@google.com
 aquilescanta@google.com
-krocard@google.com
+ivanbuper@google.com
 
 # In case of emergency:
 andrewlewis@google.com #{LAST_RESORT_SUGGESTION}
-olly@google.com #{LAST_RESORT_SUGGESTION}
diff --git a/media/libaudioclient/Android.bp b/media/libaudioclient/Android.bp
index c51ec0e..db9649c 100644
--- a/media/libaudioclient/Android.bp
+++ b/media/libaudioclient/Android.bp
@@ -302,12 +302,26 @@
     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 {
diff --git a/media/libaudioclient/AudioEffect.cpp b/media/libaudioclient/AudioEffect.cpp
index d447f0c..641c4d9 100644
--- a/media/libaudioclient/AudioEffect.cpp
+++ b/media/libaudioclient/AudioEffect.cpp
@@ -527,6 +527,36 @@
     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;
+}
 
 // -------------------------------------------------------------------------
 
diff --git a/media/libaudioclient/AudioSystem.cpp b/media/libaudioclient/AudioSystem.cpp
index 1280577..7e4d514 100644
--- a/media/libaudioclient/AudioSystem.cpp
+++ b/media/libaudioclient/AudioSystem.cpp
@@ -2272,6 +2272,9 @@
                                     const AudioDeviceTypeAddrVector &devices,
                                     bool *canBeSpatialized) {
     const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service();
+    if (canBeSpatialized == nullptr) {
+        return BAD_VALUE;
+    }
     if (aps == 0) {
         return PERMISSION_DENIED;
     }
diff --git a/media/libaudioclient/aidl/android/media/EffectConfig.aidl b/media/libaudioclient/aidl/android/media/EffectConfig.aidl
new file mode 100644
index 0000000..5f62b73
--- /dev/null
+++ b/media/libaudioclient/aidl/android/media/EffectConfig.aidl
@@ -0,0 +1,38 @@
+/*
+ * 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;
+}
diff --git a/media/libaudioclient/aidl/android/media/IEffect.aidl b/media/libaudioclient/aidl/android/media/IEffect.aidl
index 6ec0405..b7f70a6 100644
--- a/media/libaudioclient/aidl/android/media/IEffect.aidl
+++ b/media/libaudioclient/aidl/android/media/IEffect.aidl
@@ -16,6 +16,7 @@
 
 package android.media;
 
+import android.media.EffectConfig;
 import android.media.SharedFileRegion;
 
 /**
@@ -63,6 +64,14 @@
      */
     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
diff --git a/media/libaudioclient/include/media/AudioEffect.h b/media/libaudioclient/include/media/AudioEffect.h
index ca35543..72c050b 100644
--- a/media/libaudioclient/include/media/AudioEffect.h
+++ b/media/libaudioclient/include/media/AudioEffect.h
@@ -578,6 +578,25 @@
                               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.
diff --git a/services/audioflinger/Effects.cpp b/services/audioflinger/Effects.cpp
index e6d7cf7..72c378d 100644
--- a/services/audioflinger/Effects.cpp
+++ b/services/audioflinger/Effects.cpp
@@ -569,7 +569,8 @@
       mMaxDisableWaitCnt(1), // set by configure(), should be >= 1
       mDisableWaitCnt(0),    // set by process() and updateState()
       mOffloaded(false),
-      mAddedToHal(false)
+      mAddedToHal(false),
+      mIsOutput(false)
 #ifdef FLOAT_EFFECT_CHAIN
       , mSupportsFloat(false)
 #endif
@@ -962,6 +963,7 @@
     mConfig.outputCfg.mask = EFFECT_CONFIG_ALL;
     mConfig.inputCfg.buffer.frameCount = callback->frameCount();
     mConfig.outputCfg.buffer.frameCount = mConfig.inputCfg.buffer.frameCount;
+    mIsOutput = callback->isOutput();
 
     ALOGV("configure() %p chain %p buffer %p framecount %zu",
           this, callback->chain().promote().get(),
@@ -980,7 +982,7 @@
 
 #ifdef MULTICHANNEL_EFFECT_CHAIN
     if (status != NO_ERROR &&
-            callback->isOutput() &&
+            mIsOutput &&
             (mConfig.inputCfg.channels != AUDIO_CHANNEL_OUT_STEREO
                     || mConfig.outputCfg.channels != AUDIO_CHANNEL_OUT_STEREO)) {
         // Older effects may require exact STEREO position mask.
@@ -1643,6 +1645,22 @@
     return status;
 }
 
+status_t AudioFlinger::EffectModule::getConfigs(
+        audio_config_base_t* inputCfg, audio_config_base_t* outputCfg, bool* isOutput) const {
+    Mutex::Autolock _l(mLock);
+    if (mConfig.inputCfg.mask == 0 || mConfig.outputCfg.mask == 0) {
+        return NO_INIT;
+    }
+    inputCfg->sample_rate = mConfig.inputCfg.samplingRate;
+    inputCfg->channel_mask = static_cast<audio_channel_mask_t>(mConfig.inputCfg.channels);
+    inputCfg->format = static_cast<audio_format_t>(mConfig.inputCfg.format);
+    outputCfg->sample_rate = mConfig.outputCfg.samplingRate;
+    outputCfg->channel_mask = static_cast<audio_channel_mask_t>(mConfig.outputCfg.channels);
+    outputCfg->format = static_cast<audio_format_t>(mConfig.outputCfg.format);
+    *isOutput = mIsOutput;
+    return NO_ERROR;
+}
+
 static std::string dumpInOutBuffer(bool isInput, const sp<EffectBufferHalInterface> &buffer) {
     std::stringstream ss;
 
@@ -1760,6 +1778,7 @@
 BINDER_METHOD_ENTRY(command) \
 BINDER_METHOD_ENTRY(disconnect) \
 BINDER_METHOD_ENTRY(getCblk) \
+BINDER_METHOD_ENTRY(getConfig) \
 
 // singleton for Binder Method Statistics for IEffect
 mediautils::MethodStatistics<int>& getIEffectStatistics() {
@@ -1803,6 +1822,13 @@
   *_aidl_return = (code); \
   return Status::ok();
 
+#define VALUE_OR_RETURN_STATUS_AS_OUT(exp)              \
+    ({                                                  \
+        auto _tmp = (exp);                              \
+        if (!_tmp.ok()) { RETURN(_tmp.error()); }       \
+        std::move(_tmp.value());                        \
+    })
+
 Status AudioFlinger::EffectHandle::enable(int32_t* _aidl_return)
 {
     AutoMutex _l(mLock);
@@ -1914,6 +1940,32 @@
     return Status::ok();
 }
 
+Status AudioFlinger::EffectHandle::getConfig(
+        media::EffectConfig* _config, int32_t* _aidl_return) {
+    AutoMutex _l(mLock);
+    sp<EffectBase> effect = mEffect.promote();
+    if (effect == nullptr || mDisconnected) {
+        RETURN(DEAD_OBJECT);
+    }
+    sp<EffectModule> effectModule = effect->asEffectModule();
+    if (effectModule == nullptr) {
+        RETURN(INVALID_OPERATION);
+    }
+    audio_config_base_t inputCfg = AUDIO_CONFIG_BASE_INITIALIZER;
+    audio_config_base_t outputCfg = AUDIO_CONFIG_BASE_INITIALIZER;
+    bool isOutput;
+    status_t status = effectModule->getConfigs(&inputCfg, &outputCfg, &isOutput);
+    if (status == NO_ERROR) {
+        constexpr bool isInput = false; // effects always use 'OUT' channel masks.
+        _config->inputCfg = VALUE_OR_RETURN_STATUS_AS_OUT(
+                legacy2aidl_audio_config_base_t_AudioConfigBase(inputCfg, isInput));
+        _config->outputCfg = VALUE_OR_RETURN_STATUS_AS_OUT(
+                legacy2aidl_audio_config_base_t_AudioConfigBase(outputCfg, isInput));
+        _config->isOnInputStream = !isOutput;
+    }
+    RETURN(status);
+}
+
 Status AudioFlinger::EffectHandle::command(int32_t cmdCode,
                        const std::vector<uint8_t>& cmdData,
                        int32_t maxResponseSize,
diff --git a/services/audioflinger/Effects.h b/services/audioflinger/Effects.h
index 42614cc..a89a814 100644
--- a/services/audioflinger/Effects.h
+++ b/services/audioflinger/Effects.h
@@ -283,6 +283,10 @@
     status_t         setHapticIntensity(int id, int intensity);
     status_t         setVibratorInfo(const media::AudioVibratorInfo& vibratorInfo);
 
+    status_t         getConfigs(audio_config_base_t* inputCfg,
+                                audio_config_base_t* outputCfg,
+                                bool* isOutput) const;
+
     void             dump(int fd, const Vector<String16>& args);
 
 private:
@@ -314,6 +318,7 @@
     uint32_t mDisableWaitCnt;       // current process() calls count during disable period.
     bool     mOffloaded;            // effect is currently offloaded to the audio DSP
     bool     mAddedToHal;           // effect has been added to the audio HAL
+    bool     mIsOutput;             // direction of the AF thread
 
 #ifdef FLOAT_EFFECT_CHAIN
     bool    mSupportsFloat;         // effect supports float processing
@@ -370,6 +375,8 @@
                                     int32_t* _aidl_return) override;
     android::binder::Status disconnect() override;
     android::binder::Status getCblk(media::SharedFileRegion* _aidl_return) override;
+    android::binder::Status getConfig(media::EffectConfig* _config,
+                                      int32_t* _aidl_return) override;
 
     sp<Client> client() const { return mClient; }