audio policy: fix capture indication to sound trigger service. (9080e179) · Commits · e / os / android_frameworks_av

services/audiopolicy/common/managerdefinitions/include/AudioInputDescriptor.h

+3 −1

Original line number	Diff line number	Diff line
		@@ -93,7 +93,9 @@ public:

		sp<AudioInputDescriptor> getInputFromId(audio_port_handle_t id) const;

		uint32_t activeInputsCount() const;
		// count active capture sessions using one of the specified devices.
		// ignore devices if AUDIO_DEVICE_IN_DEFAULT is passed
		uint32_t activeInputsCountOnDevices(audio_devices_t devices = AUDIO_DEVICE_IN_DEFAULT) const;

		/**
		* return io handle of active input or 0 if no input is active

+4 −2

Original line number	Diff line number	Diff line
		@@ -222,12 +222,14 @@ sp<AudioInputDescriptor> AudioInputCollection::getInputFromId(audio_port_handle_
		return inputDesc;
		}

		uint32_t AudioInputCollection::activeInputsCount() const
		uint32_t AudioInputCollection::activeInputsCountOnDevices(audio_devices_t devices) const
		{
		uint32_t count = 0;
		for (size_t i = 0; i < size(); i++) {
		const sp<AudioInputDescriptor> inputDescriptor = valueAt(i);
		if (inputDescriptor->isActive()) {
		if (inputDescriptor->isActive() &&
		((devices == AUDIO_DEVICE_IN_DEFAULT) \|\|
		((inputDescriptor->mDevice & devices & ~AUDIO_DEVICE_BIT_IN) != 0))) {
		count++;
		}
		}

+13 −3

Original line number	Diff line number	Diff line
		@@ -1688,10 +1688,15 @@ status_t AudioPolicyManager::startInput(audio_io_handle_t input,
		MIX_STATE_MIXING);
		}

		if (mInputs.activeInputsCount() == 0) {
		// indicate active capture to sound trigger service if starting capture from a mic on
		// primary HW module
		audio_devices_t device = getNewInputDevice(input);
		audio_devices_t primaryInputDevices = availablePrimaryInputDevices();
		if (((device & primaryInputDevices & ~AUDIO_DEVICE_BIT_IN) != 0) &&
		mInputs.activeInputsCountOnDevices(primaryInputDevices) == 0) {
		SoundTrigger::setCaptureState(true);
		}
		setInputDevice(input, getNewInputDevice(input), true /* force */);
		setInputDevice(input, device, true /* force */);

		// automatically enable the remote submix output when input is started if not
		// used by a policy mix of type MIX_TYPE_RECORDERS
		@@ -1768,9 +1773,14 @@ status_t AudioPolicyManager::stopInput(audio_io_handle_t input,
		}
		}

		audio_devices_t device = inputDesc->mDevice;
		resetInputDevice(input);

		if (mInputs.activeInputsCount() == 0) {
		// indicate inactive capture to sound trigger service if stopping capture from a mic on
		// primary HW module
		audio_devices_t primaryInputDevices = availablePrimaryInputDevices();
		if (((device & primaryInputDevices & ~AUDIO_DEVICE_BIT_IN) != 0) &&
		mInputs.activeInputsCountOnDevices(primaryInputDevices) == 0) {
		SoundTrigger::setCaptureState(false);
		}
		inputDesc->clearPreemptedSessions();