A2DP Offload HAL v2.0 support (de8d016b) · Commits · e / devices / Fairphone 4 / android_hardware_qcom_audio

hal/audio_extn/a2dp.c

+11 −4

Original line number	Diff line number	Diff line
		@@ -34,6 +34,7 @@

		#ifdef A2DP_OFFLOAD_ENABLED
		#define BT_IPC_LIB_NAME "libbthost_if.so"
		#define BTAUDIO_OFFLOAD_LIB_NAME "btaudio_offload_if.so"

		// Media format definitions
		#define ENC_MEDIA_FMT_AAC 0x00010DA6
		@@ -78,6 +79,7 @@
		// System properties used for A2DP Offload
		#define SYSPROP_A2DP_OFFLOAD_SUPPORTED "ro.bluetooth.a2dp_offload.supported"
		#define SYSPROP_A2DP_OFFLOAD_DISABLED "persist.bluetooth.a2dp_offload.disabled"
		#define SYSPROP_BLUETOOTH_AUDIO_HAL_ENABLED "persist.vendor.bluetooth.bluetooth_audio_hal.enabled"
		#define SYSPROP_A2DP_CODEC_LATENCIES "vendor.audio.a2dp.codec.latency"

		// Default encoder bit width
		@@ -676,8 +678,9 @@ fail:
		static int open_a2dp_output()
		{
		int ret = 0;

		ALOGD("%s: Open A2DP output start", __func__);
		bool hal_v2_enabled =
		property_get_bool(SYSPROP_BLUETOOTH_AUDIO_HAL_ENABLED, false);

		if (a2dp.bt_state != A2DP_STATE_DISCONNECTED) {
		ALOGD("%s: Called A2DP open with improper state, Ignoring request state %d",
		@@ -686,9 +689,13 @@ static int open_a2dp_output()
		}

		if (a2dp.bt_lib_handle == NULL) {
		ALOGD("%s: Requesting for Bluetooth IPC lib handle", __func__);
		ALOGD("%s: Requesting for Bluetooth IPC lib handle [%s]", __func__,
		hal_v2_enabled ? BTAUDIO_OFFLOAD_LIB_NAME : BT_IPC_LIB_NAME);
		if (hal_v2_enabled) {
		a2dp.bt_lib_handle = dlopen(BTAUDIO_OFFLOAD_LIB_NAME, RTLD_NOW);
		} else {
		a2dp.bt_lib_handle = dlopen(BT_IPC_LIB_NAME, RTLD_NOW);

		}
		if (a2dp.bt_lib_handle == NULL) {
		ret = -errno;
		ALOGE("%s: DLOPEN failed for %s errno %d strerror %s", __func__,