From 3ca4f940f611bd6c8b58494bae5ab616d0470739 Mon Sep 17 00:00:00 2001 From: Andrei Emeltchenko Date: Fri, 9 May 2014 12:19:43 +0300 Subject: [PATCH] android/hal-sco: Add audio HAL for SCO handling This adds audio HAL for handling SCO. Following needs to be added to audio_policy.conf: sco { outputs { sco { ... devices AUDIO_DEVICE_OUT_ALL_SCO ... } } --- android/Android.mk | 23 +++++ android/Makefile.am | 14 +++ android/hal-sco.c | 210 ++++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 247 insertions(+) create mode 100644 android/hal-sco.c diff --git a/android/Android.mk b/android/Android.mk index 5d43a47b6..275a14504 100644 --- a/android/Android.mk +++ b/android/Android.mk @@ -270,6 +270,29 @@ LOCAL_MODULE := audio.a2dp.default include $(BUILD_SHARED_LIBRARY) +# +# SCO audio +# + +include $(CLEAR_VARS) + +LOCAL_SRC_FILES := bluez/android/hal-sco.c + +LOCAL_C_INCLUDES = \ + $(call include-path-for, system-core) \ + $(call include-path-for, libhardware) \ + +LOCAL_SHARED_LIBRARIES := \ + libcutils \ + +LOCAL_CFLAGS := $(BLUEZ_COMMON_CFLAGS) + +LOCAL_MODULE_PATH := $(TARGET_OUT_SHARED_LIBRARIES)/hw +LOCAL_MODULE_TAGS := optional +LOCAL_MODULE := audio.hsp.default + +include $(BUILD_SHARED_LIBRARY) + # # l2cap-test # diff --git a/android/Makefile.am b/android/Makefile.am index 5ab64117f..6ac9d7e16 100644 --- a/android/Makefile.am +++ b/android/Makefile.am @@ -169,6 +169,20 @@ android_audio_a2dp_default_la_SOURCES = android/audio-msg.h \ android/hardware/hardware.h \ android/system/audio.h +android_audio_sco_default_la_SOURCES = android/hal-log.h \ + android/hal-sco.c \ + android/hardware/audio.h \ + android/hardware/audio_effect.h \ + android/hardware/hardware.h \ + android/system/audio.h + +android_audio_sco_default_la_CFLAGS = $(AM_CFLAGS) -I$(srcdir)/android + +android_audio_sco_default_la_LDFLAGS = $(AM_LDFLAGS) -module -avoid-version \ + -no-undefined -lrt + +plugin_LTLIBRARIES += android/audio.sco.default.la + unit_tests += android/test-ipc android_test_ipc_SOURCES = android/test-ipc.c \ diff --git a/android/hal-sco.c b/android/hal-sco.c new file mode 100644 index 000000000..19f11f291 --- /dev/null +++ b/android/hal-sco.c @@ -0,0 +1,210 @@ +/* + * Copyright (C) 2013 Intel Corporation + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + */ + +#include +#include +#include +#include + +#include +#include + +#include "hal-log.h" + +struct sco_dev { + struct audio_hw_device dev; +}; + +static int sco_open_output_stream(struct audio_hw_device *dev, + audio_io_handle_t handle, + audio_devices_t devices, + audio_output_flags_t flags, + struct audio_config *config, + struct audio_stream_out **stream_out) + +{ + DBG(""); + + return -EINVAL; +} + +static void sco_close_output_stream(struct audio_hw_device *dev, + struct audio_stream_out *stream_out) +{ + DBG(""); + + free(stream_out); +} + +static int sco_set_parameters(struct audio_hw_device *dev, + const char *kvpairs) +{ + DBG("%s", kvpairs); + + return 0; +} + +static char *sco_get_parameters(const struct audio_hw_device *dev, + const char *keys) +{ + DBG(""); + + return strdup(""); +} + +static int sco_init_check(const struct audio_hw_device *dev) +{ + DBG(""); + + return 0; +} + +static int sco_set_voice_volume(struct audio_hw_device *dev, float volume) +{ + DBG("%f", volume); + + return 0; +} + +static int sco_set_master_volume(struct audio_hw_device *dev, float volume) +{ + DBG("%f", volume); + + return 0; +} + +static int sco_set_mode(struct audio_hw_device *dev, int mode) +{ + DBG(""); + + return -ENOSYS; +} + +static int sco_set_mic_mute(struct audio_hw_device *dev, bool state) +{ + DBG(""); + + return -ENOSYS; +} + +static int sco_get_mic_mute(const struct audio_hw_device *dev, bool *state) +{ + DBG(""); + + return -ENOSYS; +} + +static size_t sco_get_input_buffer_size(const struct audio_hw_device *dev, + const struct audio_config *config) +{ + DBG(""); + + return -ENOSYS; +} + +static int sco_open_input_stream(struct audio_hw_device *dev, + audio_io_handle_t handle, + audio_devices_t devices, + struct audio_config *config, + struct audio_stream_in **stream_in) +{ + DBG(""); + + return 0; +} + +static void sco_close_input_stream(struct audio_hw_device *dev, + struct audio_stream_in *stream_in) +{ + DBG(""); + + free(stream_in); +} + +static int sco_dump(const audio_hw_device_t *device, int fd) +{ + DBG(""); + + return 0; +} + +static int sco_close(hw_device_t *device) +{ + DBG(""); + + free(device); + + return 0; +} + +static int sco_open(const hw_module_t *module, const char *name, + hw_device_t **device) +{ + struct sco_dev *dev; + + DBG(""); + + if (strcmp(name, AUDIO_HARDWARE_INTERFACE)) { + error("SCO: interface %s not matching [%s]", name, + AUDIO_HARDWARE_INTERFACE); + return -EINVAL; + } + + dev = calloc(1, sizeof(struct sco_dev)); + if (!dev) + return -ENOMEM; + + dev->dev.common.tag = HARDWARE_DEVICE_TAG; + dev->dev.common.version = AUDIO_DEVICE_API_VERSION_CURRENT; + dev->dev.common.module = (struct hw_module_t *) module; + dev->dev.common.close = sco_close; + + dev->dev.init_check = sco_init_check; + dev->dev.set_voice_volume = sco_set_voice_volume; + dev->dev.set_master_volume = sco_set_master_volume; + dev->dev.set_mode = sco_set_mode; + dev->dev.set_mic_mute = sco_set_mic_mute; + dev->dev.get_mic_mute = sco_get_mic_mute; + dev->dev.set_parameters = sco_set_parameters; + dev->dev.get_parameters = sco_get_parameters; + dev->dev.get_input_buffer_size = sco_get_input_buffer_size; + dev->dev.open_output_stream = sco_open_output_stream; + dev->dev.close_output_stream = sco_close_output_stream; + dev->dev.open_input_stream = sco_open_input_stream; + dev->dev.close_input_stream = sco_close_input_stream; + dev->dev.dump = sco_dump; + + *device = &dev->dev.common; + + return 0; +} + +static struct hw_module_methods_t hal_module_methods = { + .open = sco_open, +}; + +struct audio_module HAL_MODULE_INFO_SYM = { + .common = { + .tag = HARDWARE_MODULE_TAG, + .version_major = 1, + .version_minor = 0, + .id = AUDIO_HARDWARE_MODULE_ID, + .name = "SCO Audio HW HAL", + .author = "Intel Corporation", + .methods = &hal_module_methods, + }, +}; -- 2.47.3