service: A2DP source callback to query the preferred codec am: 8617330db6 (ab27e306) · Commits · e / os / android_packages_modules_Bluetooth

system/service/Android.bp

+1 −0

Original line number	Diff line number	Diff line
		@@ -63,6 +63,7 @@ btserviceBaseTestSrc = [
		"hal/fake_bluetooth_gatt_interface.cc",
		"hal/fake_bluetooth_interface.cc",
		"test/a2dp_sink_unittest.cc",
		"test/a2dp_source_unittest.cc",
		"test/adapter_unittest.cc",
		"test/advertise_data_unittest.cc",
		"test/fake_hal_util.cc",

system/service/a2dp_source.cc

+7 −0

Original line number	Diff line number	Diff line
		@@ -199,6 +199,13 @@ void A2dpSource::AudioConfigCallback(
		codecs_selectable_capabilities);
		}

		bool A2dpSource::MandatoryCodecPreferredCallback(BluetoothAvInterface* iface,
		const RawAddress& bd_addr) {
		LockGuard lock(delegate_mutex_);
		// Do nothing. Optional codecs are preferred by default.
		return false;
		}

		// A2dpSourceFactory implementation
		// ========================================================
		A2dpSourceFactory::A2dpSourceFactory() = default;

system/service/a2dp_source.h

+2 −0

Original line number	Diff line number	Diff line
		@@ -82,6 +82,8 @@ class A2dpSource : public BluetoothInstance,
		const std::vector<btav_a2dp_codec_config_t> codecs_local_capabilities,
		const std::vector<btav_a2dp_codec_config_t>
		codecs_selectable_capabilities) override;
		bool MandatoryCodecPreferredCallback(hal::BluetoothAvInterface* iface,
		const RawAddress& bd_addr) override;

		// For \|GetAppIdentifier\|.
		const Uuid app_identifier_;

system/service/hal/bluetooth_av_interface.cc

+20 −2

Original line number	Diff line number	Diff line
		@@ -46,11 +46,11 @@ GetA2dpSourceObservers();
		base::ObserverList<BluetoothAvInterface::A2dpSinkObserver>*
		GetA2dpSinkObservers();

		#define VERIFY_INTERFACE_OR_RETURN() \
		#define VERIFY_INTERFACE_OR_RETURN(...) \
		do { \
		if (!g_interface) { \
		LOG(WARNING) << "Callback received while \|g_interface\| is NULL"; \
		return; \
		return __VA_ARGS__; \
		} \
		} while (0)

		@@ -88,6 +88,17 @@ void SourceAudioConfigCallback(
		}
		}

		bool SourceMandatoryCodecPreferredCallback(const RawAddress& bd_addr) {
		VERIFY_INTERFACE_OR_RETURN(false);
		// The mandatory codec is preferred only when all observers disable their
		// optional codecs.
		for (auto& observer : *GetA2dpSourceObservers()) {
		if (!observer.MandatoryCodecPreferredCallback(g_interface, bd_addr))
		return false;
		}
		return true;
		}

		void SinkConnectionStateCallback(const RawAddress& bd_addr,
		btav_connection_state_t state) {
		std::shared_lock<shared_mutex_impl> lock(g_instance_lock);
		@@ -121,6 +132,7 @@ btav_source_callbacks_t av_source_callbacks = {
		.connection_state_cb = SourceConnectionStateCallback,
		.audio_state_cb = SourceAudioStateCallback,
		.audio_config_cb = SourceAudioConfigCallback,
		.mandatory_codec_preferred_cb = SourceMandatoryCodecPreferredCallback,
		};

		btav_sink_callbacks_t av_sink_callbacks = {
		@@ -297,6 +309,12 @@ void BluetoothAvInterface::A2dpSourceObserver::AudioConfigCallback(
		// Do nothing.
		}

		bool BluetoothAvInterface::A2dpSourceObserver::MandatoryCodecPreferredCallback(
		BluetoothAvInterface* iface, const RawAddress& bd_addr) {
		// Do nothing.
		return false;
		}

		void BluetoothAvInterface::A2dpSinkObserver::ConnectionStateCallback(
		BluetoothAvInterface* iface, const RawAddress& bd_addr,
		btav_connection_state_t state) {

system/service/hal/bluetooth_av_interface.h

+2 −0

Original line number	Diff line number	Diff line
		@@ -41,6 +41,8 @@ class BluetoothAvInterface {
		const std::vector<btav_a2dp_codec_config_t> codecs_local_capabilities,
		const std::vector<btav_a2dp_codec_config_t>
		codecs_selectable_capabilities);
		virtual bool MandatoryCodecPreferredCallback(BluetoothAvInterface* iface,
		const RawAddress& bd_addr);

		protected:
		virtual ~A2dpSourceObserver() = default;