Merge "Move handling of flags of audio ports to libaudiofoundation"
diff --git a/media/libaudioclient/AidlConversion.cpp b/media/libaudioclient/AidlConversion.cpp
index 343bcef..8314320 100644
--- a/media/libaudioclient/AidlConversion.cpp
+++ b/media/libaudioclient/AidlConversion.cpp
@@ -1589,44 +1589,29 @@
 }
 
 ConversionResult<audio_io_flags> aidl2legacy_AudioIoFlags_audio_io_flags(
-        const AudioIoFlags& aidl, media::AudioPortRole role, media::AudioPortType type) {
+        const AudioIoFlags& aidl, bool isInput) {
     audio_io_flags legacy;
-    Direction dir = VALUE_OR_RETURN(direction(role, type));
-    switch (dir) {
-        case Direction::INPUT: {
-            legacy.input = VALUE_OR_RETURN(
-                    aidl2legacy_int32_t_audio_input_flags_t_mask(
-                            VALUE_OR_RETURN(UNION_GET(aidl, input))));
-        }
-            break;
-
-        case Direction::OUTPUT: {
-            legacy.output = VALUE_OR_RETURN(
-                    aidl2legacy_int32_t_audio_output_flags_t_mask(
-                            VALUE_OR_RETURN(UNION_GET(aidl, output))));
-        }
-            break;
+    if (isInput) {
+        legacy.input = VALUE_OR_RETURN(
+                aidl2legacy_int32_t_audio_input_flags_t_mask(
+                        VALUE_OR_RETURN(UNION_GET(aidl, input))));
+    } else {
+        legacy.output = VALUE_OR_RETURN(
+                aidl2legacy_int32_t_audio_output_flags_t_mask(
+                        VALUE_OR_RETURN(UNION_GET(aidl, output))));
     }
-
     return legacy;
 }
 
 ConversionResult<AudioIoFlags> legacy2aidl_audio_io_flags_AudioIoFlags(
-        const audio_io_flags& legacy, audio_port_role_t role, audio_port_type_t type) {
+        const audio_io_flags& legacy, bool isInput) {
     AudioIoFlags aidl;
-
-    Direction dir = VALUE_OR_RETURN(direction(role, type));
-    switch (dir) {
-        case Direction::INPUT:
-            UNION_SET(aidl, input,
-                      VALUE_OR_RETURN(legacy2aidl_audio_input_flags_t_int32_t_mask(
-                              legacy.input)));
-            break;
-        case Direction::OUTPUT:
-            UNION_SET(aidl, output,
-                      VALUE_OR_RETURN(legacy2aidl_audio_output_flags_t_int32_t_mask(
-                              legacy.output)));
-            break;
+    if (isInput) {
+        UNION_SET(aidl, input,
+                VALUE_OR_RETURN(legacy2aidl_audio_input_flags_t_int32_t_mask(legacy.input)));
+    } else {
+        UNION_SET(aidl, output,
+                VALUE_OR_RETURN(legacy2aidl_audio_output_flags_t_int32_t_mask(legacy.output)));
     }
     return aidl;
 }
@@ -2000,8 +1985,7 @@
     }
     if (aidl.hal.flags.has_value()) {
         legacy.flags = VALUE_OR_RETURN(
-                aidl2legacy_AudioIoFlags_audio_io_flags(
-                        aidl.hal.flags.value(), aidl.sys.role, aidl.sys.type));
+                aidl2legacy_AudioIoFlags_audio_io_flags(aidl.hal.flags.value(), isInput));
         legacy.config_mask |= AUDIO_PORT_CONFIG_FLAGS;
     }
     legacy.ext = VALUE_OR_RETURN(
@@ -2037,7 +2021,7 @@
     }
     if (legacy.config_mask & AUDIO_PORT_CONFIG_FLAGS) {
         aidl.hal.flags = VALUE_OR_RETURN(
-                legacy2aidl_audio_io_flags_AudioIoFlags(legacy.flags, legacy.role, legacy.type));
+                legacy2aidl_audio_io_flags_AudioIoFlags(legacy.flags, isInput));
     }
     RETURN_IF_ERROR(legacy2aidl_AudioPortExt(legacy.ext, legacy.type, legacy.role,
                     &aidl.hal.ext, &aidl.sys.ext));
diff --git a/media/libaudioclient/include/media/AidlConversion.h b/media/libaudioclient/include/media/AidlConversion.h
index fda9efb..a6c93cf 100644
--- a/media/libaudioclient/include/media/AidlConversion.h
+++ b/media/libaudioclient/include/media/AidlConversion.h
@@ -194,10 +194,9 @@
         audio_output_flags_t legacy);
 
 ConversionResult<audio_io_flags> aidl2legacy_AudioIoFlags_audio_io_flags(
-        const media::audio::common::AudioIoFlags& aidl,
-        media::AudioPortRole role, media::AudioPortType type);
+        const media::audio::common::AudioIoFlags& aidl, bool isInput);
 ConversionResult<media::audio::common::AudioIoFlags> legacy2aidl_audio_io_flags_AudioIoFlags(
-        const audio_io_flags& legacy, audio_port_role_t role, audio_port_type_t type);
+        const audio_io_flags& legacy, bool isInput);
 
 ConversionResult<audio_port_config_device_ext>
 aidl2legacy_AudioPortDeviceExt_audio_port_config_device_ext(
diff --git a/media/libaudiofoundation/AudioPort.cpp b/media/libaudiofoundation/AudioPort.cpp
index a00e00d..634b2e1 100644
--- a/media/libaudiofoundation/AudioPort.cpp
+++ b/media/libaudiofoundation/AudioPort.cpp
@@ -24,6 +24,22 @@
 
 namespace android {
 
+void AudioPort::setFlags(uint32_t flags)
+{
+    // force direct flag if offload flag is set: offloading implies a direct output stream
+    // and all common behaviors are driven by checking only the direct flag
+    // this should normally be set appropriately in the policy configuration file
+    if (mRole == AUDIO_PORT_ROLE_SOURCE &&
+            (flags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) != 0) {
+        flags |= AUDIO_OUTPUT_FLAG_DIRECT;
+    }
+    if (useInputChannelMask()) {
+        mFlags.input = static_cast<audio_input_flags_t>(flags);
+    } else {
+        mFlags.output = static_cast<audio_output_flags_t>(flags);
+    }
+}
+
 void AudioPort::importAudioPort(const sp<AudioPort>& port, bool force __unused)
 {
     for (const auto& profileToImport : port->mProfiles) {
@@ -195,16 +211,10 @@
            mType == other->getType() &&
            mRole == other->getRole() &&
            mProfiles.equals(other->getAudioProfiles()) &&
+           getFlags() == other->getFlags() &&
            mExtraAudioDescriptors == other->getExtraAudioDescriptors();
 }
 
-status_t AudioPort::writeToParcel(Parcel *parcel) const
-{
-    media::AudioPort parcelable;
-    return writeToParcelable(&parcelable)
-        ?: parcelable.writeToParcel(parcel);
-}
-
 status_t AudioPort::writeToParcelable(media::AudioPort* parcelable) const {
     parcelable->hal.name = mName;
     parcelable->sys.type = VALUE_OR_RETURN_STATUS(
@@ -215,6 +225,8 @@
             legacy2aidl_AudioProfileVector(mProfiles, useInputChannelMask()));
     parcelable->hal.profiles = aidlProfiles.first;
     parcelable->sys.profiles = aidlProfiles.second;
+    parcelable->hal.flags = VALUE_OR_RETURN_STATUS(
+            legacy2aidl_audio_io_flags_AudioIoFlags(mFlags, useInputChannelMask()));
     parcelable->hal.extraAudioDescriptors = mExtraAudioDescriptors;
     auto aidlGains = VALUE_OR_RETURN_STATUS(legacy2aidl_AudioGains(mGains));
     parcelable->hal.gains = aidlGains.first;
@@ -230,12 +242,6 @@
     return OK;
 }
 
-status_t AudioPort::readFromParcel(const Parcel *parcel) {
-    media::AudioPort parcelable;
-    return parcelable.readFromParcel(parcel)
-        ?: readFromParcelable(parcelable);
-}
-
 status_t AudioPort::readFromParcelable(const media::AudioPort& parcelable) {
     mName = parcelable.hal.name;
     mType = VALUE_OR_RETURN_STATUS(
@@ -246,6 +252,8 @@
             aidl2legacy_AudioProfileVector(
                     std::make_pair(parcelable.hal.profiles, parcelable.sys.profiles),
                     useInputChannelMask()));
+    mFlags = VALUE_OR_RETURN_STATUS(
+            aidl2legacy_AudioIoFlags_audio_io_flags(parcelable.hal.flags, useInputChannelMask()));
     mExtraAudioDescriptors = parcelable.hal.extraAudioDescriptors;
     mGains = VALUE_OR_RETURN_STATUS(
             aidl2legacy_AudioGains(std::make_pair(parcelable.hal.gains, parcelable.sys.gains)));
@@ -277,6 +285,9 @@
     if (config->config_mask & AUDIO_PORT_CONFIG_GAIN) {
         mGain = config->gain;
     }
+    if (config->config_mask & AUDIO_PORT_CONFIG_FLAGS) {
+        mFlags = config->flags;
+    }
 
     return NO_ERROR;
 }
@@ -330,6 +341,9 @@
     } else {
         dstConfig->config_mask &= ~AUDIO_PORT_CONFIG_GAIN;
     }
+
+    updateField(mFlags, &audio_port_config::flags,
+            dstConfig, srcConfig, AUDIO_PORT_CONFIG_FLAGS, { AUDIO_INPUT_FLAG_NONE });
 }
 
 bool AudioPortConfig::hasGainController(bool canUseForVolume) const
@@ -342,12 +356,14 @@
                            : audioport->getGains().size() > 0;
 }
 
-bool AudioPortConfig::equals(const sp<AudioPortConfig> &other) const
+bool AudioPortConfig::equals(const sp<AudioPortConfig> &other, bool isInput) const
 {
     return other != nullptr &&
            mSamplingRate == other->getSamplingRate() &&
            mFormat == other->getFormat() &&
            mChannelMask == other->getChannelMask() &&
+           (isInput ? mFlags.input == other->getFlags().input :
+                   mFlags.output == other->getFlags().output )&&
            // Compare audio gain config
            mGain.index == other->mGain.index &&
            mGain.mode == other->mGain.mode &&
@@ -370,6 +386,8 @@
     media::audio::common::AudioGainConfig aidl_gain = VALUE_OR_RETURN_STATUS(
             legacy2aidl_audio_gain_config_AudioGainConfig(mGain, isInput));
     parcelable->gain = aidl_gain;
+    parcelable->flags = VALUE_OR_RETURN_STATUS(
+            legacy2aidl_audio_io_flags_AudioIoFlags(mFlags, isInput));
     return OK;
 }
 
@@ -393,6 +411,10 @@
         mGain = VALUE_OR_RETURN_STATUS(
                 aidl2legacy_AudioGainConfig_audio_gain_config(parcelable.gain.value(), isInput));
     }
+    if (parcelable.flags.has_value()) {
+        mFlags = VALUE_OR_RETURN_STATUS(
+                aidl2legacy_AudioIoFlags_audio_io_flags(parcelable.flags.value(), isInput));
+    }
     return OK;
 }
 
diff --git a/media/libaudiofoundation/DeviceDescriptorBase.cpp b/media/libaudiofoundation/DeviceDescriptorBase.cpp
index b383db4..c8222e7 100644
--- a/media/libaudiofoundation/DeviceDescriptorBase.cpp
+++ b/media/libaudiofoundation/DeviceDescriptorBase.cpp
@@ -164,7 +164,7 @@
 {
     return other != nullptr &&
            static_cast<const AudioPort*>(this)->equals(other) &&
-           static_cast<const AudioPortConfig*>(this)->equals(other) &&
+           static_cast<const AudioPortConfig*>(this)->equals(other, useInputChannelMask()) &&
            mDeviceTypeAddr.equals(other->mDeviceTypeAddr) &&
            checkEqual(mEncodedFormats, other->mEncodedFormats);
 }
@@ -183,14 +183,6 @@
     return false;
 }
 
-
-status_t DeviceDescriptorBase::writeToParcel(Parcel *parcel) const
-{
-    media::AudioPort parcelable;
-    return writeToParcelable(&parcelable)
-        ?: parcelable.writeToParcel(parcel);
-}
-
 status_t DeviceDescriptorBase::writeToParcelable(media::AudioPort* parcelable) const {
     AudioPort::writeToParcelable(parcelable);
     AudioPortConfig::writeToParcelable(&parcelable->hal.activeConfig, useInputChannelMask());
@@ -212,12 +204,6 @@
     return OK;
 }
 
-status_t DeviceDescriptorBase::readFromParcel(const Parcel *parcel) {
-    media::AudioPort parcelable;
-    return parcelable.readFromParcel(parcel)
-        ?: readFromParcelable(parcelable);
-}
-
 status_t DeviceDescriptorBase::readFromParcelable(const media::AudioPort& parcelable) {
     if (parcelable.sys.type != media::AudioPortType::DEVICE) {
         return BAD_VALUE;
diff --git a/media/libaudiofoundation/include/media/AudioPort.h b/media/libaudiofoundation/include/media/AudioPort.h
index b5a17c9..985e05e 100644
--- a/media/libaudiofoundation/include/media/AudioPort.h
+++ b/media/libaudiofoundation/include/media/AudioPort.h
@@ -33,7 +33,7 @@
 
 namespace android {
 
-class AudioPort : public virtual RefBase, public virtual Parcelable
+class AudioPort : public virtual RefBase
 {
 public:
     AudioPort(const std::string& name, audio_port_type_t type,  audio_port_role_t role) :
@@ -47,6 +47,9 @@
     audio_port_type_t getType() const { return mType; }
     audio_port_role_t getRole() const { return mRole; }
 
+    virtual void setFlags(uint32_t flags);
+    uint32_t getFlags() const { return useInputChannelMask() ? mFlags.input : mFlags.output; }
+
     void setGains(const AudioGains &gains) { mGains = gains; }
     const AudioGains &getGains() const { return mGains; }
 
@@ -93,15 +96,27 @@
                 ((mType == AUDIO_PORT_TYPE_MIX) && (mRole == AUDIO_PORT_ROLE_SINK));
     }
 
+    bool isDirectOutput() const
+    {
+        return (mType == AUDIO_PORT_TYPE_MIX) && (mRole == AUDIO_PORT_ROLE_SOURCE) &&
+                ((mFlags.output & AUDIO_OUTPUT_FLAG_DIRECT) != 0);
+    }
+
+    bool isMmap() const
+    {
+        return (mType == AUDIO_PORT_TYPE_MIX)
+                && (((mRole == AUDIO_PORT_ROLE_SOURCE) &&
+                        ((mFlags.output & AUDIO_OUTPUT_FLAG_MMAP_NOIRQ) != 0))
+                    || ((mRole == AUDIO_PORT_ROLE_SINK) &&
+                        ((mFlags.input & AUDIO_INPUT_FLAG_MMAP_NOIRQ) != 0)));
+    }
+
     void dump(std::string *dst, int spaces, bool verbose = true) const;
 
     void log(const char* indent) const;
 
     bool equals(const sp<AudioPort>& other) const;
 
-    status_t writeToParcel(Parcel* parcel) const override;
-    status_t readFromParcel(const Parcel* parcel) override;
-
     status_t writeToParcelable(media::AudioPort* parcelable) const;
     status_t readFromParcelable(const media::AudioPort& parcelable);
 
@@ -130,6 +145,7 @@
     // Audio capabilities that are defined by hardware descriptors when the format is unrecognized
     // by the platform, e.g. short audio descriptor in EDID for HDMI.
     std::vector<media::audio::common::ExtraAudioDescriptor> mExtraAudioDescriptors;
+    union audio_io_flags mFlags = { .output = AUDIO_OUTPUT_FLAG_NONE };
 private:
     template <typename T, std::enable_if_t<std::is_same<T, struct audio_port>::value
                                         || std::is_same<T, struct audio_port_v7>::value, int> = 0>
@@ -162,10 +178,11 @@
     audio_format_t getFormat() const { return mFormat; }
     audio_channel_mask_t getChannelMask() const { return mChannelMask; }
     audio_port_handle_t getId() const { return mId; }
+    audio_io_flags getFlags() const { return mFlags; }
 
     bool hasGainController(bool canUseForVolume = false) const;
 
-    bool equals(const sp<AudioPortConfig>& other) const;
+    bool equals(const sp<AudioPortConfig>& other, bool isInput) const;
 
     status_t writeToParcelable(
             media::audio::common::AudioPortConfig* parcelable, bool isInput) const;
@@ -178,6 +195,7 @@
     audio_channel_mask_t mChannelMask = AUDIO_CHANNEL_NONE;
     audio_port_handle_t mId = AUDIO_PORT_HANDLE_NONE;
     struct audio_gain_config mGain = { .index = -1 };
+    union audio_io_flags mFlags = { AUDIO_INPUT_FLAG_NONE };
 };
 
 } // namespace android
diff --git a/media/libaudiofoundation/include/media/DeviceDescriptorBase.h b/media/libaudiofoundation/include/media/DeviceDescriptorBase.h
index a4092eb..b70da8a 100644
--- a/media/libaudiofoundation/include/media/DeviceDescriptorBase.h
+++ b/media/libaudiofoundation/include/media/DeviceDescriptorBase.h
@@ -79,9 +79,6 @@
 
     bool equals(const sp<DeviceDescriptorBase>& other) const;
 
-    status_t writeToParcel(Parcel* parcel) const override;
-    status_t readFromParcel(const Parcel* parcel) override;
-
     status_t writeToParcelable(media::AudioPort* parcelable) const;
     status_t readFromParcelable(const media::AudioPort& parcelable);
 
diff --git a/media/libaudiofoundation/tests/audiofoundation_parcelable_test.cpp b/media/libaudiofoundation/tests/audiofoundation_parcelable_test.cpp
index 0315a59..50d8dc8 100644
--- a/media/libaudiofoundation/tests/audiofoundation_parcelable_test.cpp
+++ b/media/libaudiofoundation/tests/audiofoundation_parcelable_test.cpp
@@ -112,38 +112,37 @@
 }
 
 TEST(AudioFoundationParcelableTest, ParcelingAudioPort) {
-    Parcel data;
     sp<AudioPort> audioPort = new AudioPort(
             "AudioPortName", AUDIO_PORT_TYPE_DEVICE, AUDIO_PORT_ROLE_SINK);
     audioPort->setGains(getAudioGainsForTest());
     audioPort->setAudioProfiles(getAudioProfileVectorForTest());
 
-    ASSERT_EQ(data.writeParcelable(*audioPort), NO_ERROR);
-    data.setDataPosition(0);
+    media::AudioPort parcelable;
+    ASSERT_EQ(NO_ERROR, audioPort->writeToParcelable(&parcelable));
     sp<AudioPort> audioPortFromParcel = new AudioPort(
             "", AUDIO_PORT_TYPE_NONE, AUDIO_PORT_ROLE_NONE);
-    ASSERT_EQ(data.readParcelable(audioPortFromParcel.get()), NO_ERROR);
+    ASSERT_EQ(NO_ERROR, audioPortFromParcel->readFromParcelable(parcelable));
     ASSERT_TRUE(audioPortFromParcel->equals(audioPort));
 }
 
 TEST(AudioFoundationParcelableTest, ParcelingAudioPortConfig) {
+    const bool isInput = false;
     Parcel data;
     sp<AudioPortConfig> audioPortConfig = new AudioPortConfigTestStub();
     audioPortConfig->applyAudioPortConfig(&TEST_AUDIO_PORT_CONFIG);
     media::audio::common::AudioPortConfig parcelable{};
-    ASSERT_EQ(NO_ERROR, audioPortConfig->writeToParcelable(&parcelable, false /*isInput*/));
+    ASSERT_EQ(NO_ERROR, audioPortConfig->writeToParcelable(&parcelable, isInput));
     ASSERT_EQ(NO_ERROR, data.writeParcelable(parcelable));
     data.setDataPosition(0);
     media::audio::common::AudioPortConfig parcelableFromParcel{};
     ASSERT_EQ(NO_ERROR, data.readParcelable(&parcelableFromParcel));
     sp<AudioPortConfig> audioPortConfigFromParcel = new AudioPortConfigTestStub();
     ASSERT_EQ(NO_ERROR, audioPortConfigFromParcel->readFromParcelable(
-                    parcelableFromParcel, false /*isInput*/));
-    ASSERT_TRUE(audioPortConfigFromParcel->equals(audioPortConfig));
+                    parcelableFromParcel, isInput));
+    ASSERT_TRUE(audioPortConfigFromParcel->equals(audioPortConfig, isInput));
 }
 
 TEST(AudioFoundationParcelableTest, ParcelingDeviceDescriptorBase) {
-    Parcel data;
     sp<DeviceDescriptorBase> desc = new DeviceDescriptorBase(AUDIO_DEVICE_OUT_SPEAKER);
     desc->setGains(getAudioGainsForTest());
     desc->setAudioProfiles(getAudioProfileVectorForTest());
@@ -153,10 +152,10 @@
     ASSERT_EQ(desc->setEncapsulationMetadataTypes(
             AUDIO_ENCAPSULATION_METADATA_TYPE_ALL_POSITION_BITS), NO_ERROR);
 
-    ASSERT_EQ(data.writeParcelable(*desc), NO_ERROR);
-    data.setDataPosition(0);
+    media::AudioPort parcelable;
+    ASSERT_EQ(NO_ERROR, desc->writeToParcelable(&parcelable));
     sp<DeviceDescriptorBase> descFromParcel = new DeviceDescriptorBase(AUDIO_DEVICE_NONE);
-    ASSERT_EQ(data.readParcelable(descFromParcel.get()), NO_ERROR);
+    ASSERT_EQ(NO_ERROR, descFromParcel->readFromParcelable(parcelable));
     ASSERT_TRUE(descFromParcel->equals(desc));
 }
 
diff --git a/services/audiopolicy/common/managerdefinitions/include/AudioInputDescriptor.h b/services/audiopolicy/common/managerdefinitions/include/AudioInputDescriptor.h
index a40f6aa..cf699d3 100644
--- a/services/audiopolicy/common/managerdefinitions/include/AudioInputDescriptor.h
+++ b/services/audiopolicy/common/managerdefinitions/include/AudioInputDescriptor.h
@@ -93,8 +93,10 @@
     audio_patch_handle_t getPatchHandle() const override;
     void setPatchHandle(audio_patch_handle_t handle) override;
     bool isMmap() override {
-        if (getPolicyAudioPort() != nullptr) {
-            return getPolicyAudioPort()->isMmap();
+        if (const auto policyPort = getPolicyAudioPort(); policyPort != nullptr) {
+            if (const auto port = policyPort->asAudioPort(); port != nullptr) {
+                return port->isMmap();
+            }
         }
         return false;
     }
diff --git a/services/audiopolicy/common/managerdefinitions/include/AudioOutputDescriptor.h b/services/audiopolicy/common/managerdefinitions/include/AudioOutputDescriptor.h
index 123011a..d06496d 100644
--- a/services/audiopolicy/common/managerdefinitions/include/AudioOutputDescriptor.h
+++ b/services/audiopolicy/common/managerdefinitions/include/AudioOutputDescriptor.h
@@ -270,8 +270,10 @@
     audio_patch_handle_t getPatchHandle() const override;
     void setPatchHandle(audio_patch_handle_t handle) override;
     bool isMmap() override {
-        if (getPolicyAudioPort() != nullptr) {
-            return getPolicyAudioPort()->isMmap();
+        if (const auto policyPort = getPolicyAudioPort(); policyPort != nullptr) {
+            if (const auto port = policyPort->asAudioPort(); port != nullptr) {
+                return port->isMmap();
+            }
         }
         return false;
     }
diff --git a/services/audiopolicy/common/managerdefinitions/include/IOProfile.h b/services/audiopolicy/common/managerdefinitions/include/IOProfile.h
index 0e1548f..2e680e3 100644
--- a/services/audiopolicy/common/managerdefinitions/include/IOProfile.h
+++ b/services/audiopolicy/common/managerdefinitions/include/IOProfile.h
@@ -57,11 +57,12 @@
     // Once capture clients are tracked individually and not per session this can be removed
     // MMAP no IRQ input streams do not have the default limitation of one active client
     // max as they can be used in shared mode by the same application.
+    // NOTE: Please consider moving to AudioPort when addressing the FIXME
     // NOTE: this works for explicit values set in audio_policy_configuration.xml because
     // flags are parsed before maxActiveCount by the serializer.
     void setFlags(uint32_t flags) override
     {
-        PolicyAudioPort::setFlags(flags);
+        AudioPort::setFlags(flags);
         if (getRole() == AUDIO_PORT_ROLE_SINK && (flags & AUDIO_INPUT_FLAG_MMAP_NOIRQ) != 0) {
             maxActiveCount = 0;
         }
diff --git a/services/audiopolicy/common/managerdefinitions/include/PolicyAudioPort.h b/services/audiopolicy/common/managerdefinitions/include/PolicyAudioPort.h
index ab33b38..acf787b 100644
--- a/services/audiopolicy/common/managerdefinitions/include/PolicyAudioPort.h
+++ b/services/audiopolicy/common/managerdefinitions/include/PolicyAudioPort.h
@@ -36,7 +36,7 @@
 class PolicyAudioPort : public virtual RefBase, private HandleGenerator<audio_port_handle_t>
 {
 public:
-    PolicyAudioPort() : mFlags(AUDIO_OUTPUT_FLAG_NONE) {}
+    PolicyAudioPort() = default;
 
     virtual ~PolicyAudioPort() = default;
 
@@ -49,19 +49,6 @@
 
     virtual sp<AudioPort> asAudioPort() const = 0;
 
-    virtual void setFlags(uint32_t flags)
-    {
-        //force direct flag if offload flag is set: offloading implies a direct output stream
-        // and all common behaviors are driven by checking only the direct flag
-        // this should normally be set appropriately in the policy configuration file
-        if (asAudioPort()->getRole() == AUDIO_PORT_ROLE_SOURCE &&
-                (flags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) != 0) {
-            flags |= AUDIO_OUTPUT_FLAG_DIRECT;
-        }
-        mFlags = flags;
-    }
-    uint32_t getFlags() const { return mFlags; }
-
     virtual void attach(const sp<HwModule>& module);
     virtual void detach();
     bool isAttached() { return mModule != 0; }
@@ -105,22 +92,6 @@
     const char *getModuleName() const;
     sp<HwModule> getModule() const { return mModule; }
 
-    inline bool isDirectOutput() const
-    {
-        return (asAudioPort()->getType() == AUDIO_PORT_TYPE_MIX) &&
-                (asAudioPort()->getRole() == AUDIO_PORT_ROLE_SOURCE) &&
-                (mFlags & (AUDIO_OUTPUT_FLAG_DIRECT | AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD));
-    }
-
-    inline bool isMmap() const
-    {
-        return (asAudioPort()->getType() == AUDIO_PORT_TYPE_MIX)
-                && (((asAudioPort()->getRole() == AUDIO_PORT_ROLE_SOURCE) &&
-                        ((mFlags & AUDIO_OUTPUT_FLAG_MMAP_NOIRQ) != 0))
-                    || ((asAudioPort()->getRole() == AUDIO_PORT_ROLE_SINK) &&
-                        ((mFlags & AUDIO_INPUT_FLAG_MMAP_NOIRQ) != 0)));
-    }
-
     void addRoute(const sp<AudioRoute> &route) { mRoutes.add(route); }
     const AudioRouteVector &getRoutes() const { return mRoutes; }
 
@@ -129,7 +100,6 @@
                          const ChannelMaskSet &channelMasks) const;
     void pickSamplingRate(uint32_t &rate, const SampleRateSet &samplingRates) const;
 
-    uint32_t mFlags; // attribute flags mask (e.g primary output, direct output...).
     sp<HwModule> mModule;     // audio HW module exposing this I/O stream
     AudioRouteVector mRoutes; // Routes involving this port
 };
@@ -141,27 +111,18 @@
 
     virtual sp<PolicyAudioPort> getPolicyAudioPort() const = 0;
 
-    status_t validationBeforeApplyConfig(const struct audio_port_config *config) const;
-
-    void applyPolicyAudioPortConfig(const struct audio_port_config *config) {
-        if (config->config_mask & AUDIO_PORT_CONFIG_FLAGS) {
-            mFlags = config->flags;
-        }
+    status_t validationBeforeApplyConfig(const struct audio_port_config *config) const {
+        sp<PolicyAudioPort> policyAudioPort = getPolicyAudioPort();
+        return policyAudioPort ? policyAudioPort->checkExactAudioProfile(config) : NO_INIT;
     }
 
-    void toPolicyAudioPortConfig(
-            struct audio_port_config *dstConfig,
-            const struct audio_port_config *srcConfig = NULL) const;
-
-
-    virtual bool hasSameHwModuleAs(const sp<PolicyAudioPortConfig>& other) const {
+    bool hasSameHwModuleAs(const sp<PolicyAudioPortConfig>& other) const {
         return (other.get() != nullptr) && (other->getPolicyAudioPort().get() != nullptr) &&
                 (getPolicyAudioPort().get() != nullptr) &&
                 (other->getPolicyAudioPort()->getModuleHandle() ==
                         getPolicyAudioPort()->getModuleHandle());
     }
 
-    union audio_io_flags mFlags = { AUDIO_INPUT_FLAG_NONE };
 };
 
 } // namespace android
diff --git a/services/audiopolicy/common/managerdefinitions/src/AudioInputDescriptor.cpp b/services/audiopolicy/common/managerdefinitions/src/AudioInputDescriptor.cpp
index 7016a08..6c1240b 100644
--- a/services/audiopolicy/common/managerdefinitions/src/AudioInputDescriptor.cpp
+++ b/services/audiopolicy/common/managerdefinitions/src/AudioInputDescriptor.cpp
@@ -62,7 +62,6 @@
     toAudioPortConfig(&localBackupConfig);
     if ((status = validationBeforeApplyConfig(config)) == NO_ERROR) {
         AudioPortConfig::applyAudioPortConfig(config, backupConfig);
-        applyPolicyAudioPortConfig(config);
     }
 
     if (backupConfig != NULL) {
@@ -83,7 +82,6 @@
     }
 
     AudioPortConfig::toAudioPortConfig(dstConfig, srcConfig);
-    toPolicyAudioPortConfig(dstConfig, srcConfig);
 
     dstConfig->role = AUDIO_PORT_ROLE_SINK;
     dstConfig->type = AUDIO_PORT_TYPE_MIX;
diff --git a/services/audiopolicy/common/managerdefinitions/src/AudioOutputDescriptor.cpp b/services/audiopolicy/common/managerdefinitions/src/AudioOutputDescriptor.cpp
index 34b5c1a..b054c6d 100644
--- a/services/audiopolicy/common/managerdefinitions/src/AudioOutputDescriptor.cpp
+++ b/services/audiopolicy/common/managerdefinitions/src/AudioOutputDescriptor.cpp
@@ -188,7 +188,6 @@
     toAudioPortConfig(&localBackupConfig);
     if ((status = validationBeforeApplyConfig(config)) == NO_ERROR) {
         AudioPortConfig::applyAudioPortConfig(config, backupConfig);
-        applyPolicyAudioPortConfig(config);
     }
 
     if (backupConfig != NULL) {
@@ -207,7 +206,6 @@
         dstConfig->config_mask |= srcConfig->config_mask;
     }
     AudioPortConfig::toAudioPortConfig(dstConfig, srcConfig);
-    toPolicyAudioPortConfig(dstConfig, srcConfig);
 
     dstConfig->role = AUDIO_PORT_ROLE_SOURCE;
     dstConfig->type = AUDIO_PORT_TYPE_MIX;
diff --git a/services/audiopolicy/common/managerdefinitions/src/DeviceDescriptor.cpp b/services/audiopolicy/common/managerdefinitions/src/DeviceDescriptor.cpp
index 4a4ee12..141c2be 100644
--- a/services/audiopolicy/common/managerdefinitions/src/DeviceDescriptor.cpp
+++ b/services/audiopolicy/common/managerdefinitions/src/DeviceDescriptor.cpp
@@ -118,7 +118,6 @@
     toAudioPortConfig(&localBackupConfig);
     if ((status = validationBeforeApplyConfig(config)) == NO_ERROR) {
         AudioPortConfig::applyAudioPortConfig(config, backupConfig);
-        applyPolicyAudioPortConfig(config);
     }
 
     if (backupConfig != NULL) {
@@ -131,8 +130,6 @@
                                          const struct audio_port_config *srcConfig) const
 {
     DeviceDescriptorBase::toAudioPortConfig(dstConfig, srcConfig);
-    toPolicyAudioPortConfig(dstConfig, srcConfig);
-
     dstConfig->ext.device.hw_module = getModuleHandle();
 }
 
diff --git a/services/audiopolicy/common/managerdefinitions/src/PolicyAudioPort.cpp b/services/audiopolicy/common/managerdefinitions/src/PolicyAudioPort.cpp
index 5986069..ce8178f 100644
--- a/services/audiopolicy/common/managerdefinitions/src/PolicyAudioPort.cpp
+++ b/services/audiopolicy/common/managerdefinitions/src/PolicyAudioPort.cpp
@@ -87,7 +87,7 @@
     // For direct outputs, pick minimum sampling rate: this helps ensuring that the
     // channel count / sampling rate combination chosen will be supported by the connected
     // sink
-    if (isDirectOutput()) {
+    if (asAudioPort()->isDirectOutput()) {
         uint32_t samplingRate = UINT_MAX;
         for (const auto rate : samplingRates) {
             if ((rate < samplingRate) && (rate > 0)) {
@@ -122,7 +122,7 @@
     // For direct outputs, pick minimum channel count: this helps ensuring that the
     // channel count / sampling rate combination chosen will be supported by the connected
     // sink
-    if (isDirectOutput()) {
+    if (asAudioPort()->isDirectOutput()) {
         uint32_t channelCount = UINT_MAX;
         for (const auto channelMask : channelMasks) {
             uint32_t cnlCount;
@@ -236,7 +236,7 @@
     audio_format_t bestFormat = sPcmFormatCompareTable[ARRAY_SIZE(sPcmFormatCompareTable) - 1];
     // For mixed output and inputs, use best mixer output format.
     // Do not limit format otherwise
-    if ((asAudioPort()->getType() != AUDIO_PORT_TYPE_MIX) || isDirectOutput()) {
+    if ((asAudioPort()->getType() != AUDIO_PORT_TYPE_MIX) || asAudioPort()->isDirectOutput()) {
         bestFormat = AUDIO_FORMAT_INVALID;
     }
 
@@ -266,29 +266,4 @@
             asAudioPort()->getName().c_str(), samplingRate, channelMask, format);
 }
 
-// --- PolicyAudioPortConfig class implementation
-
-status_t PolicyAudioPortConfig::validationBeforeApplyConfig(
-        const struct audio_port_config *config) const
-{
-    sp<PolicyAudioPort> policyAudioPort = getPolicyAudioPort();
-    return policyAudioPort ? policyAudioPort->checkExactAudioProfile(config) : NO_INIT;
-}
-
-void PolicyAudioPortConfig::toPolicyAudioPortConfig(struct audio_port_config *dstConfig,
-                                                    const struct audio_port_config *srcConfig) const
-{
-    if (dstConfig->config_mask & AUDIO_PORT_CONFIG_FLAGS) {
-        if ((srcConfig != nullptr) && (srcConfig->config_mask & AUDIO_PORT_CONFIG_FLAGS)) {
-            dstConfig->flags = srcConfig->flags;
-        } else {
-            dstConfig->flags = mFlags;
-        }
-    } else {
-        dstConfig->flags = { AUDIO_INPUT_FLAG_NONE };
-    }
-}
-
-
-
 } // namespace android