324 lines
9.6 KiB
C
324 lines
9.6 KiB
C
/*
|
|
* Copyright (C) 2011 The Android Open Source Project
|
|
*
|
|
* 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.
|
|
*/
|
|
|
|
#define LOG_TAG "audio_policy_default"
|
|
//#define LOG_NDEBUG 0
|
|
|
|
#include <errno.h>
|
|
#include <stdint.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
|
|
#include <hardware/hardware.h>
|
|
#include <system/audio.h>
|
|
#include <system/audio_policy.h>
|
|
#include <hardware/audio_policy.h>
|
|
|
|
struct default_ap_module {
|
|
struct audio_policy_module module;
|
|
};
|
|
|
|
struct default_ap_device {
|
|
struct audio_policy_device device;
|
|
};
|
|
|
|
struct default_audio_policy {
|
|
struct audio_policy policy;
|
|
|
|
struct audio_policy_service_ops *aps_ops;
|
|
void *service;
|
|
};
|
|
|
|
static int ap_set_device_connection_state(struct audio_policy *pol,
|
|
audio_devices_t device,
|
|
audio_policy_dev_state_t state,
|
|
const char *device_address)
|
|
{
|
|
return -ENOSYS;
|
|
}
|
|
|
|
static audio_policy_dev_state_t ap_get_device_connection_state(
|
|
const struct audio_policy *pol,
|
|
audio_devices_t device,
|
|
const char *device_address)
|
|
{
|
|
return AUDIO_POLICY_DEVICE_STATE_UNAVAILABLE;
|
|
}
|
|
|
|
static void ap_set_phone_state(struct audio_policy *pol, int state)
|
|
{
|
|
}
|
|
|
|
static void ap_set_ringer_mode(struct audio_policy *pol, uint32_t mode,
|
|
uint32_t mask)
|
|
{
|
|
}
|
|
|
|
static void ap_set_force_use(struct audio_policy *pol,
|
|
audio_policy_force_use_t usage,
|
|
audio_policy_forced_cfg_t config)
|
|
{
|
|
}
|
|
|
|
/* retreive current device category forced for a given usage */
|
|
static audio_policy_forced_cfg_t ap_get_force_use(
|
|
const struct audio_policy *pol,
|
|
audio_policy_force_use_t usage)
|
|
{
|
|
return AUDIO_POLICY_FORCE_NONE;
|
|
}
|
|
|
|
/* if can_mute is true, then audio streams that are marked ENFORCED_AUDIBLE
|
|
* can still be muted. */
|
|
static void ap_set_can_mute_enforced_audible(struct audio_policy *pol,
|
|
bool can_mute)
|
|
{
|
|
}
|
|
|
|
static int ap_init_check(const struct audio_policy *pol)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static audio_io_handle_t ap_get_output(struct audio_policy *pol,
|
|
audio_stream_type_t stream,
|
|
uint32_t sampling_rate,
|
|
audio_format_t format,
|
|
uint32_t channels,
|
|
audio_policy_output_flags_t flags)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static int ap_start_output(struct audio_policy *pol, audio_io_handle_t output,
|
|
audio_stream_type_t stream, int session)
|
|
{
|
|
return -ENOSYS;
|
|
}
|
|
|
|
static int ap_stop_output(struct audio_policy *pol, audio_io_handle_t output,
|
|
audio_stream_type_t stream, int session)
|
|
{
|
|
return -ENOSYS;
|
|
}
|
|
|
|
static void ap_release_output(struct audio_policy *pol,
|
|
audio_io_handle_t output)
|
|
{
|
|
}
|
|
|
|
static audio_io_handle_t ap_get_input(struct audio_policy *pol, int inputSource,
|
|
uint32_t sampling_rate,
|
|
audio_format_t format,
|
|
uint32_t channels,
|
|
audio_in_acoustics_t acoustics)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static int ap_start_input(struct audio_policy *pol, audio_io_handle_t input)
|
|
{
|
|
return -ENOSYS;
|
|
}
|
|
|
|
static int ap_stop_input(struct audio_policy *pol, audio_io_handle_t input)
|
|
{
|
|
return -ENOSYS;
|
|
}
|
|
|
|
static void ap_release_input(struct audio_policy *pol, audio_io_handle_t input)
|
|
{
|
|
}
|
|
|
|
static void ap_init_stream_volume(struct audio_policy *pol,
|
|
audio_stream_type_t stream, int index_min,
|
|
int index_max)
|
|
{
|
|
}
|
|
|
|
static int ap_set_stream_volume_index(struct audio_policy *pol,
|
|
audio_stream_type_t stream,
|
|
int index)
|
|
{
|
|
return -ENOSYS;
|
|
}
|
|
|
|
static int ap_get_stream_volume_index(const struct audio_policy *pol,
|
|
audio_stream_type_t stream,
|
|
int *index)
|
|
{
|
|
return -ENOSYS;
|
|
}
|
|
|
|
static uint32_t ap_get_strategy_for_stream(const struct audio_policy *pol,
|
|
audio_stream_type_t stream)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static uint32_t ap_get_devices_for_stream(const struct audio_policy *pol,
|
|
audio_stream_type_t stream)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static audio_io_handle_t ap_get_output_for_effect(struct audio_policy *pol,
|
|
struct effect_descriptor_s *desc)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static int ap_register_effect(struct audio_policy *pol,
|
|
struct effect_descriptor_s *desc,
|
|
audio_io_handle_t output,
|
|
uint32_t strategy,
|
|
int session,
|
|
int id)
|
|
{
|
|
return -ENOSYS;
|
|
}
|
|
|
|
static int ap_unregister_effect(struct audio_policy *pol, int id)
|
|
{
|
|
return -ENOSYS;
|
|
}
|
|
|
|
static int ap_set_effect_enabled(struct audio_policy *pol, int id, bool enabled)
|
|
{
|
|
return -ENOSYS;
|
|
}
|
|
|
|
static bool ap_is_stream_active(const struct audio_policy *pol, int stream,
|
|
uint32_t in_past_ms)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
static int ap_dump(const struct audio_policy *pol, int fd)
|
|
{
|
|
return -ENOSYS;
|
|
}
|
|
|
|
static int create_default_ap(const struct audio_policy_device *device,
|
|
struct audio_policy_service_ops *aps_ops,
|
|
void *service,
|
|
struct audio_policy **ap)
|
|
{
|
|
struct default_ap_device *dev;
|
|
struct default_audio_policy *dap;
|
|
int ret;
|
|
|
|
*ap = NULL;
|
|
|
|
if (!service || !aps_ops)
|
|
return -EINVAL;
|
|
|
|
dap = (struct default_audio_policy *)calloc(1, sizeof(*dap));
|
|
if (!dap)
|
|
return -ENOMEM;
|
|
|
|
dap->policy.set_device_connection_state = ap_set_device_connection_state;
|
|
dap->policy.get_device_connection_state = ap_get_device_connection_state;
|
|
dap->policy.set_phone_state = ap_set_phone_state;
|
|
dap->policy.set_ringer_mode = ap_set_ringer_mode;
|
|
dap->policy.set_force_use = ap_set_force_use;
|
|
dap->policy.get_force_use = ap_get_force_use;
|
|
dap->policy.set_can_mute_enforced_audible =
|
|
ap_set_can_mute_enforced_audible;
|
|
dap->policy.init_check = ap_init_check;
|
|
dap->policy.get_output = ap_get_output;
|
|
dap->policy.start_output = ap_start_output;
|
|
dap->policy.stop_output = ap_stop_output;
|
|
dap->policy.release_output = ap_release_output;
|
|
dap->policy.get_input = ap_get_input;
|
|
dap->policy.start_input = ap_start_input;
|
|
dap->policy.stop_input = ap_stop_input;
|
|
dap->policy.release_input = ap_release_input;
|
|
dap->policy.init_stream_volume = ap_init_stream_volume;
|
|
dap->policy.set_stream_volume_index = ap_set_stream_volume_index;
|
|
dap->policy.get_stream_volume_index = ap_get_stream_volume_index;
|
|
dap->policy.get_strategy_for_stream = ap_get_strategy_for_stream;
|
|
dap->policy.get_devices_for_stream = ap_get_devices_for_stream;
|
|
dap->policy.get_output_for_effect = ap_get_output_for_effect;
|
|
dap->policy.register_effect = ap_register_effect;
|
|
dap->policy.unregister_effect = ap_unregister_effect;
|
|
dap->policy.set_effect_enabled = ap_set_effect_enabled;
|
|
dap->policy.is_stream_active = ap_is_stream_active;
|
|
dap->policy.dump = ap_dump;
|
|
|
|
dap->service = service;
|
|
dap->aps_ops = aps_ops;
|
|
|
|
*ap = &dap->policy;
|
|
return 0;
|
|
}
|
|
|
|
static int destroy_default_ap(const struct audio_policy_device *ap_dev,
|
|
struct audio_policy *ap)
|
|
{
|
|
free(ap);
|
|
return 0;
|
|
}
|
|
|
|
static int default_ap_dev_close(hw_device_t* device)
|
|
{
|
|
free(device);
|
|
return 0;
|
|
}
|
|
|
|
static int default_ap_dev_open(const hw_module_t* module, const char* name,
|
|
hw_device_t** device)
|
|
{
|
|
struct default_ap_device *dev;
|
|
|
|
*device = NULL;
|
|
|
|
if (strcmp(name, AUDIO_POLICY_INTERFACE) != 0)
|
|
return -EINVAL;
|
|
|
|
dev = (struct default_ap_device *)calloc(1, sizeof(*dev));
|
|
if (!dev)
|
|
return -ENOMEM;
|
|
|
|
dev->device.common.tag = HARDWARE_DEVICE_TAG;
|
|
dev->device.common.version = 0;
|
|
dev->device.common.module = (hw_module_t *)module;
|
|
dev->device.common.close = default_ap_dev_close;
|
|
dev->device.create_audio_policy = create_default_ap;
|
|
dev->device.destroy_audio_policy = destroy_default_ap;
|
|
|
|
*device = &dev->device.common;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static struct hw_module_methods_t default_ap_module_methods = {
|
|
.open = default_ap_dev_open,
|
|
};
|
|
|
|
struct default_ap_module HAL_MODULE_INFO_SYM = {
|
|
.module = {
|
|
.common = {
|
|
.tag = HARDWARE_MODULE_TAG,
|
|
.version_major = 1,
|
|
.version_minor = 0,
|
|
.id = AUDIO_POLICY_HARDWARE_MODULE_ID,
|
|
.name = "Default audio policy HAL",
|
|
.author = "The Android Open Source Project",
|
|
.methods = &default_ap_module_methods,
|
|
},
|
|
},
|
|
};
|