Add dynamic source default effects (24628310) · Commits · e / os / android_frameworks_av

media/libaudioclient/AudioEffect.cpp

+40 −0

Original line number	Diff line number	Diff line
		@@ -456,6 +456,38 @@ status_t AudioEffect::newEffectUniqueId(audio_unique_id_t* id)
		return NO_ERROR;
		}

		status_t AudioEffect::addSourceDefaultEffect(const char *typeStr,
		const String16& opPackageName,
		const char *uuidStr,
		int32_t priority,
		audio_source_t source,
		audio_unique_id_t *id)
		{
		const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service();
		if (aps == 0) return PERMISSION_DENIED;

		if (typeStr == NULL && uuidStr == NULL) return BAD_VALUE;

		// Convert type & uuid from string to effect_uuid_t.
		effect_uuid_t type;
		if (typeStr != NULL) {
		status_t res = stringToGuid(typeStr, &type);
		if (res != OK) return res;
		} else {
		type = *EFFECT_UUID_NULL;
		}

		effect_uuid_t uuid;
		if (uuidStr != NULL) {
		status_t res = stringToGuid(uuidStr, &uuid);
		if (res != OK) return res;
		} else {
		uuid = *EFFECT_UUID_NULL;
		}

		return aps->addSourceDefaultEffect(&type, opPackageName, &uuid, priority, source, id);
		}

		status_t AudioEffect::addStreamDefaultEffect(const char *typeStr,
		const String16& opPackageName,
		const char *uuidStr,
		@@ -488,6 +520,14 @@ status_t AudioEffect::addStreamDefaultEffect(const char *typeStr,
		return aps->addStreamDefaultEffect(&type, opPackageName, &uuid, priority, usage, id);
		}

		status_t AudioEffect::removeSourceDefaultEffect(audio_unique_id_t id)
		{
		const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service();
		if (aps == 0) return PERMISSION_DENIED;

		return aps->removeSourceDefaultEffect(id);
		}

		status_t AudioEffect::removeStreamDefaultEffect(audio_unique_id_t id)
		{
		const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service();

media/libaudioclient/IAudioPolicyService.cpp

+75 −1

Original line number	Diff line number	Diff line
		@@ -83,7 +83,9 @@ enum {
		GET_SURROUND_FORMATS,
		SET_SURROUND_FORMAT_ENABLED,
		ADD_STREAM_DEFAULT_EFFECT,
		REMOVE_STREAM_DEFAULT_EFFECT
		REMOVE_STREAM_DEFAULT_EFFECT,
		ADD_SOURCE_DEFAULT_EFFECT,
		REMOVE_SOURCE_DEFAULT_EFFECT
		};

		#define MAX_ITEMS_PER_LIST 1024
		@@ -904,6 +906,41 @@ public:
		return static_cast <status_t> (reply.readInt32());
		}

		virtual status_t addSourceDefaultEffect(const effect_uuid_t *type,
		const String16& opPackageName,
		const effect_uuid_t *uuid,
		int32_t priority,
		audio_source_t source,
		audio_unique_id_t* id)
		{
		Parcel data, reply;
		data.writeInterfaceToken(IAudioPolicyService::getInterfaceDescriptor());
		data.write(type, sizeof(effect_uuid_t));
		data.writeString16(opPackageName);
		data.write(uuid, sizeof(effect_uuid_t));
		data.writeInt32(priority);
		data.writeInt32((int32_t) source);
		status_t status = remote()->transact(ADD_SOURCE_DEFAULT_EFFECT, data, &reply);
		if (status != NO_ERROR) {
		return status;
		}
		status = static_cast <status_t> (reply.readInt32());
		*id = reply.readInt32();
		return status;
		}

		virtual status_t removeSourceDefaultEffect(audio_unique_id_t id)
		{
		Parcel data, reply;
		data.writeInterfaceToken(IAudioPolicyService::getInterfaceDescriptor());
		data.writeInt32(id);
		status_t status = remote()->transact(REMOVE_SOURCE_DEFAULT_EFFECT, data, &reply);
		if (status != NO_ERROR) {
		return status;
		}
		return static_cast <status_t> (reply.readInt32());
		}

		};

		IMPLEMENT_META_INTERFACE(AudioPolicyService, "android.media.IAudioPolicyService");
		@@ -1636,6 +1673,43 @@ status_t BnAudioPolicyService::onTransact(
		return NO_ERROR;
		}

		case ADD_SOURCE_DEFAULT_EFFECT: {
		CHECK_INTERFACE(IAudioPolicyService, data, reply);
		effect_uuid_t type;
		status_t status = data.read(&type, sizeof(effect_uuid_t));
		if (status != NO_ERROR) {
		return status;
		}
		String16 opPackageName;
		status = data.readString16(&opPackageName);
		if (status != NO_ERROR) {
		return status;
		}
		effect_uuid_t uuid;
		status = data.read(&uuid, sizeof(effect_uuid_t));
		if (status != NO_ERROR) {
		return status;
		}
		int32_t priority = data.readInt32();
		audio_source_t source = (audio_source_t) data.readInt32();
		audio_unique_id_t id = 0;
		reply->writeInt32(static_cast <int32_t>(addSourceDefaultEffect(&type,
		opPackageName,
		&uuid,
		priority,
		source,
		&id)));
		reply->writeInt32(id);
		return NO_ERROR;
		}

		case REMOVE_SOURCE_DEFAULT_EFFECT: {
		CHECK_INTERFACE(IAudioPolicyService, data, reply);
		audio_unique_id_t id = static_cast<audio_unique_id_t>(data.readInt32());
		reply->writeInt32(static_cast <int32_t>(removeSourceDefaultEffect(id)));
		return NO_ERROR;
		}

		default:
		return BBinder::onTransact(code, data, reply, flags);
		}

media/libaudioclient/include/media/AudioEffect.h

+53 −0

Original line number	Diff line number	Diff line
		@@ -169,6 +169,44 @@ public:
		* Static methods for adding/removing system-wide effects.
		*/

		/*
		* Adds an effect to the list of default output effects for a given source type.
		*
		* If the effect is no longer available when a source of the given type
		* is created, the system will continue without adding it.
		*
		* Parameters:
		* typeStr: Type uuid of effect to be a default: can be null if uuidStr is specified.
		* This may correspond to the OpenSL ES interface implemented by this effect,
		* or could be some vendor-defined type.
		* opPackageName: The package name used for app op checks.
		* uuidStr: Uuid of effect to be a default: can be null if type is specified.
		* This uuid corresponds to a particular implementation of an effect type.
		* Note if both uuidStr and typeStr are specified, typeStr is ignored.
		* priority: Requested priority for effect control: the priority level corresponds to the
		* value of priority parameter: negative values indicate lower priorities, positive
		* values higher priorities, 0 being the normal priority.
		* source: The source this effect should be a default for.
		* id: Address where the system-wide unique id of the default effect should be returned.
		*
		* Returned status (from utils/Errors.h) can be:
		* NO_ERROR successful operation.
		* PERMISSION_DENIED could not get AudioFlinger interface
		* or caller lacks required permissions.
		* NO_INIT effect library failed to initialize.
		* BAD_VALUE invalid source, type uuid or implementation uuid.
		* NAME_NOT_FOUND no effect with this uuid or type found.
		*
		* Returned value
		* *id: The system-wide unique id of the added default effect.
		*/
		static status_t addSourceDefaultEffect(const char* typeStr,
		const String16& opPackageName,
		const char* uuidStr,
		int32_t priority,
		audio_source_t source,
		audio_unique_id_t* id);

		/*
		* Adds an effect to the list of default output effects for a given stream type.
		*
		@@ -208,6 +246,21 @@ public:
		audio_usage_t usage,
		audio_unique_id_t* id);

		/*
		* Removes an effect from the list of default output effects for a given source type.
		*
		* Parameters:
		* id: The system-wide unique id of the effect that should no longer be a default.
		*
		* Returned status (from utils/Errors.h) can be:
		* NO_ERROR successful operation.
		* PERMISSION_DENIED could not get AudioFlinger interface
		* or caller lacks required permissions.
		* NO_INIT effect library failed to initialize.
		* BAD_VALUE invalid id.
		*/
		static status_t removeSourceDefaultEffect(audio_unique_id_t id);

		/*
		* Removes an effect from the list of default output effects for a given stream type.
		*

media/libaudioclient/include/media/IAudioPolicyService.h

+7 −0

Original line number	Diff line number	Diff line
		@@ -109,12 +109,19 @@ public:
		virtual status_t queryDefaultPreProcessing(audio_session_t audioSession,
		effect_descriptor_t *descriptors,
		uint32_t *count) = 0;
		virtual status_t addSourceDefaultEffect(const effect_uuid_t *type,
		const String16& opPackageName,
		const effect_uuid_t *uuid,
		int32_t priority,
		audio_source_t source,
		audio_unique_id_t* id) = 0;
		virtual status_t addStreamDefaultEffect(const effect_uuid_t *type,
		const String16& opPackageName,
		const effect_uuid_t *uuid,
		int32_t priority,
		audio_usage_t usage,
		audio_unique_id_t* id) = 0;
		virtual status_t removeSourceDefaultEffect(audio_unique_id_t id) = 0;
		virtual status_t removeStreamDefaultEffect(audio_unique_id_t id) = 0;
		// Check if offload is possible for given format, stream type, sample rate,
		// bit rate, duration, video and streaming or offload property is enabled

services/audiopolicy/service/AudioPolicyEffects.cpp

+99 −0

Original line number	Diff line number	Diff line
		@@ -318,6 +318,74 @@ status_t AudioPolicyEffects::releaseOutputSessionEffects(audio_io_handle_t outpu
		return status;
		}

		status_t AudioPolicyEffects::addSourceDefaultEffect(const effect_uuid_t *type,
		const String16& opPackageName,
		const effect_uuid_t *uuid,
		int32_t priority,
		audio_source_t source,
		audio_unique_id_t* id)
		{
		if (uuid == NULL \|\| type == NULL) {
		ALOGE("addSourceDefaultEffect(): Null uuid or type uuid pointer");
		return BAD_VALUE;
		}

		// HOTWORD and FM_TUNER are two special case sources > MAX.
		if (source < AUDIO_SOURCE_DEFAULT \|\|
		(source > AUDIO_SOURCE_MAX &&
		source != AUDIO_SOURCE_HOTWORD &&
		source != AUDIO_SOURCE_FM_TUNER)) {
		ALOGE("addSourceDefaultEffect(): Unsupported source type %d", source);
		return BAD_VALUE;
		}

		// Check that \|uuid\| or \|type\| corresponds to an effect on the system.
		effect_descriptor_t descriptor = {};
		status_t res = AudioEffect::getEffectDescriptor(
		uuid, type, EFFECT_FLAG_TYPE_PRE_PROC, &descriptor);
		if (res != OK) {
		ALOGE("addSourceDefaultEffect(): Failed to find effect descriptor matching uuid/type.");
		return res;
		}

		// Only pre-processing effects can be added dynamically as source defaults.
		if ((descriptor.flags & EFFECT_FLAG_TYPE_MASK) != EFFECT_FLAG_TYPE_PRE_PROC) {
		ALOGE("addSourceDefaultEffect(): Desired effect cannot be attached "
		"as a source default effect.");
		return BAD_VALUE;
		}

		Mutex::Autolock _l(mLock);

		// Find the EffectDescVector for the given source type, or create a new one if necessary.
		ssize_t index = mInputSources.indexOfKey(source);
		EffectDescVector *desc = NULL;
		if (index < 0) {
		// No effects for this source type yet.
		desc = new EffectDescVector();
		mInputSources.add(source, desc);
		} else {
		desc = mInputSources.valueAt(index);
		}

		// Create a new effect and add it to the vector.
		res = AudioEffect::newEffectUniqueId(id);
		if (res != OK) {
		ALOGE("addSourceDefaultEffect(): failed to get new unique id.");
		return res;
		}
		EffectDesc *effect = new EffectDesc(
		descriptor.name, type, opPackageName, uuid, priority, *id);
		desc->mEffects.add(effect);
		// TODO(b/71813697): Support setting params as well.

		// TODO(b/71814300): Retroactively attach to any existing sources of the given type.
		// This requires tracking the source type of each session id in addition to what is
		// already being tracked.

		return NO_ERROR;
		}

		status_t AudioPolicyEffects::addStreamDefaultEffect(const effect_uuid_t *type,
		const String16& opPackageName,
		const effect_uuid_t *uuid,
		@@ -384,6 +452,37 @@ status_t AudioPolicyEffects::addStreamDefaultEffect(const effect_uuid_t *type,
		return NO_ERROR;
		}

		status_t AudioPolicyEffects::removeSourceDefaultEffect(audio_unique_id_t id)
		{
		if (id == AUDIO_UNIQUE_ID_ALLOCATE) {
		// ALLOCATE is not a unique identifier, but rather a reserved value indicating
		// a real id has not been assigned. For default effects, this value is only used
		// by system-owned defaults from the loaded config, which cannot be removed.
		return BAD_VALUE;
		}

		Mutex::Autolock _l(mLock);

		// Check each source type.
		size_t numSources = mInputSources.size();
		for (size_t i = 0; i < numSources; ++i) {
		// Check each effect for each source.
		EffectDescVector* descVector = mInputSources[i];
		for (auto desc = descVector->mEffects.begin(); desc != descVector->mEffects.end(); ++desc) {
		if ((*desc)->mId == id) {
		// Found it!
		// TODO(b/71814300): Remove from any sources the effect was attached to.
		descVector->mEffects.erase(desc);
		// Handles are unique; there can only be one match, so return early.
		return NO_ERROR;
		}
		}
		}

		// Effect wasn't found, so it's been trivially removed successfully.
		return NO_ERROR;
		}

		status_t AudioPolicyEffects::removeStreamDefaultEffect(audio_unique_id_t id)
		{
		if (id == AUDIO_UNIQUE_ID_ALLOCATE) {