blob: 2dd3dbefc6df224d9bb2265a4f139f2897930fe9 [file] [log] [blame]
/*
* 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, audio_mode_t state)
{
}
// deprecated, never called
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,
audio_channel_mask_t channelMask,
audio_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, audio_source_t inputSource,
uint32_t sampling_rate,
audio_format_t format,
audio_channel_mask_t channelMask,
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 int ap_set_stream_volume_index_for_device(struct audio_policy *pol,
audio_stream_type_t stream,
int index,
audio_devices_t device)
{
return -ENOSYS;
}
static int ap_get_stream_volume_index_for_device(const struct audio_policy *pol,
audio_stream_type_t stream,
int *index,
audio_devices_t device)
{
return -ENOSYS;
}
static uint32_t ap_get_strategy_for_stream(const struct audio_policy *pol,
audio_stream_type_t stream)
{
return 0;
}
static audio_devices_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,
const struct effect_descriptor_s *desc)
{
return 0;
}
static int ap_register_effect(struct audio_policy *pol,
const 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, audio_stream_type_t 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.set_stream_volume_index_for_device = ap_set_stream_volume_index_for_device;
dap->policy.get_stream_volume_index_for_device = ap_get_stream_volume_index_for_device;
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,
},
},
};