platform_hardware_libhardwa.../audio/audio_policy_hal.cpp
Jean-Michel Trivi dc3bf1a374 Identify remote stream activity, used for notification routing
Add support for checking remote stream activity.

Don't route notifications like media when media active remotely.

Add remote stream activity query in audio policy HAL.

Bug 7485803

Change-Id: Ifb722c7f9ffbfbdc877fec5156bcfc09bec40651
2013-02-11 10:23:13 -08:00

467 lines
16 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 "legacy_audio_policy_hal"
//#define LOG_NDEBUG 0
#include <stdint.h>
#include <hardware/hardware.h>
#include <system/audio.h>
#include <system/audio_policy.h>
#include <hardware/audio_policy.h>
#include <hardware_legacy/AudioPolicyInterface.h>
#include <hardware_legacy/AudioSystemLegacy.h>
#include "AudioPolicyCompatClient.h"
namespace android_audio_legacy {
extern "C" {
struct legacy_ap_module {
struct audio_policy_module module;
};
struct legacy_ap_device {
struct audio_policy_device device;
};
struct legacy_audio_policy {
struct audio_policy policy;
void *service;
struct audio_policy_service_ops *aps_ops;
AudioPolicyCompatClient *service_client;
AudioPolicyInterface *apm;
};
static inline struct legacy_audio_policy * to_lap(struct audio_policy *pol)
{
return reinterpret_cast<struct legacy_audio_policy *>(pol);
}
static inline const struct legacy_audio_policy * to_clap(const struct audio_policy *pol)
{
return reinterpret_cast<const struct legacy_audio_policy *>(pol);
}
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)
{
struct legacy_audio_policy *lap = to_lap(pol);
return lap->apm->setDeviceConnectionState(
(AudioSystem::audio_devices)device,
(AudioSystem::device_connection_state)state,
device_address);
}
static audio_policy_dev_state_t ap_get_device_connection_state(
const struct audio_policy *pol,
audio_devices_t device,
const char *device_address)
{
const struct legacy_audio_policy *lap = to_clap(pol);
return (audio_policy_dev_state_t)lap->apm->getDeviceConnectionState(
(AudioSystem::audio_devices)device,
device_address);
}
static void ap_set_phone_state(struct audio_policy *pol, audio_mode_t state)
{
struct legacy_audio_policy *lap = to_lap(pol);
// as this is the legacy API, don't change it to use audio_mode_t instead of int
lap->apm->setPhoneState((int) state);
}
/* indicate a change in ringer mode */
static void ap_set_ringer_mode(struct audio_policy *pol, uint32_t mode,
uint32_t mask)
{
// deprecated, never called
}
/* force using a specific device category for the specified usage */
static void ap_set_force_use(struct audio_policy *pol,
audio_policy_force_use_t usage,
audio_policy_forced_cfg_t config)
{
struct legacy_audio_policy *lap = to_lap(pol);
lap->apm->setForceUse((AudioSystem::force_use)usage,
(AudioSystem::forced_config)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)
{
const struct legacy_audio_policy *lap = to_clap(pol);
return (audio_policy_forced_cfg_t)lap->apm->getForceUse(
(AudioSystem::force_use)usage);
}
/* 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)
{
struct legacy_audio_policy *lap = to_lap(pol);
lap->apm->setSystemProperty("ro.camera.sound.forced", can_mute ? "0" : "1");
}
static int ap_init_check(const struct audio_policy *pol)
{
const struct legacy_audio_policy *lap = to_clap(pol);
return lap->apm->initCheck();
}
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)
{
struct legacy_audio_policy *lap = to_lap(pol);
ALOGV("%s: tid %d", __func__, gettid());
return lap->apm->getOutput((AudioSystem::stream_type)stream,
sampling_rate, (int) format, channelMask,
(AudioSystem::output_flags)flags);
}
static int ap_start_output(struct audio_policy *pol, audio_io_handle_t output,
audio_stream_type_t stream, int session)
{
struct legacy_audio_policy *lap = to_lap(pol);
return lap->apm->startOutput(output, (AudioSystem::stream_type)stream,
session);
}
static int ap_stop_output(struct audio_policy *pol, audio_io_handle_t output,
audio_stream_type_t stream, int session)
{
struct legacy_audio_policy *lap = to_lap(pol);
return lap->apm->stopOutput(output, (AudioSystem::stream_type)stream,
session);
}
static void ap_release_output(struct audio_policy *pol,
audio_io_handle_t output)
{
struct legacy_audio_policy *lap = to_lap(pol);
lap->apm->releaseOutput(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)
{
struct legacy_audio_policy *lap = to_lap(pol);
return lap->apm->getInput((int) inputSource, sampling_rate, (int) format, channelMask,
(AudioSystem::audio_in_acoustics)acoustics);
}
static int ap_start_input(struct audio_policy *pol, audio_io_handle_t input)
{
struct legacy_audio_policy *lap = to_lap(pol);
return lap->apm->startInput(input);
}
static int ap_stop_input(struct audio_policy *pol, audio_io_handle_t input)
{
struct legacy_audio_policy *lap = to_lap(pol);
return lap->apm->stopInput(input);
}
static void ap_release_input(struct audio_policy *pol, audio_io_handle_t input)
{
struct legacy_audio_policy *lap = to_lap(pol);
lap->apm->releaseInput(input);
}
static void ap_init_stream_volume(struct audio_policy *pol,
audio_stream_type_t stream, int index_min,
int index_max)
{
struct legacy_audio_policy *lap = to_lap(pol);
lap->apm->initStreamVolume((AudioSystem::stream_type)stream, index_min,
index_max);
}
static int ap_set_stream_volume_index(struct audio_policy *pol,
audio_stream_type_t stream,
int index)
{
struct legacy_audio_policy *lap = to_lap(pol);
return lap->apm->setStreamVolumeIndex((AudioSystem::stream_type)stream,
index,
AUDIO_DEVICE_OUT_DEFAULT);
}
static int ap_get_stream_volume_index(const struct audio_policy *pol,
audio_stream_type_t stream,
int *index)
{
const struct legacy_audio_policy *lap = to_clap(pol);
return lap->apm->getStreamVolumeIndex((AudioSystem::stream_type)stream,
index,
AUDIO_DEVICE_OUT_DEFAULT);
}
static int ap_set_stream_volume_index_for_device(struct audio_policy *pol,
audio_stream_type_t stream,
int index,
audio_devices_t device)
{
struct legacy_audio_policy *lap = to_lap(pol);
return lap->apm->setStreamVolumeIndex((AudioSystem::stream_type)stream,
index,
device);
}
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)
{
const struct legacy_audio_policy *lap = to_clap(pol);
return lap->apm->getStreamVolumeIndex((AudioSystem::stream_type)stream,
index,
device);
}
static uint32_t ap_get_strategy_for_stream(const struct audio_policy *pol,
audio_stream_type_t stream)
{
const struct legacy_audio_policy *lap = to_clap(pol);
return lap->apm->getStrategyForStream((AudioSystem::stream_type)stream);
}
static audio_devices_t ap_get_devices_for_stream(const struct audio_policy *pol,
audio_stream_type_t stream)
{
const struct legacy_audio_policy *lap = to_clap(pol);
return lap->apm->getDevicesForStream((AudioSystem::stream_type)stream);
}
static audio_io_handle_t ap_get_output_for_effect(struct audio_policy *pol,
const struct effect_descriptor_s *desc)
{
struct legacy_audio_policy *lap = to_lap(pol);
return lap->apm->getOutputForEffect(desc);
}
static int ap_register_effect(struct audio_policy *pol,
const struct effect_descriptor_s *desc,
audio_io_handle_t io,
uint32_t strategy,
int session,
int id)
{
struct legacy_audio_policy *lap = to_lap(pol);
return lap->apm->registerEffect(desc, io, strategy, session, id);
}
static int ap_unregister_effect(struct audio_policy *pol, int id)
{
struct legacy_audio_policy *lap = to_lap(pol);
return lap->apm->unregisterEffect(id);
}
static int ap_set_effect_enabled(struct audio_policy *pol, int id, bool enabled)
{
struct legacy_audio_policy *lap = to_lap(pol);
return lap->apm->setEffectEnabled(id, enabled);
}
static bool ap_is_stream_active(const struct audio_policy *pol, audio_stream_type_t stream,
uint32_t in_past_ms)
{
const struct legacy_audio_policy *lap = to_clap(pol);
return lap->apm->isStreamActive((int) stream, in_past_ms);
}
static bool ap_is_stream_active_remotely(const struct audio_policy *pol, audio_stream_type_t stream,
uint32_t in_past_ms)
{
const struct legacy_audio_policy *lap = to_clap(pol);
return lap->apm->isStreamActiveRemotely((int) stream, in_past_ms);
}
static bool ap_is_source_active(const struct audio_policy *pol, audio_source_t source)
{
const struct legacy_audio_policy *lap = to_clap(pol);
return lap->apm->isSourceActive(source);
}
static int ap_dump(const struct audio_policy *pol, int fd)
{
const struct legacy_audio_policy *lap = to_clap(pol);
return lap->apm->dump(fd);
}
static int create_legacy_ap(const struct audio_policy_device *device,
struct audio_policy_service_ops *aps_ops,
void *service,
struct audio_policy **ap)
{
struct legacy_audio_policy *lap;
int ret;
if (!service || !aps_ops)
return -EINVAL;
lap = (struct legacy_audio_policy *)calloc(1, sizeof(*lap));
if (!lap)
return -ENOMEM;
lap->policy.set_device_connection_state = ap_set_device_connection_state;
lap->policy.get_device_connection_state = ap_get_device_connection_state;
lap->policy.set_phone_state = ap_set_phone_state;
lap->policy.set_ringer_mode = ap_set_ringer_mode;
lap->policy.set_force_use = ap_set_force_use;
lap->policy.get_force_use = ap_get_force_use;
lap->policy.set_can_mute_enforced_audible =
ap_set_can_mute_enforced_audible;
lap->policy.init_check = ap_init_check;
lap->policy.get_output = ap_get_output;
lap->policy.start_output = ap_start_output;
lap->policy.stop_output = ap_stop_output;
lap->policy.release_output = ap_release_output;
lap->policy.get_input = ap_get_input;
lap->policy.start_input = ap_start_input;
lap->policy.stop_input = ap_stop_input;
lap->policy.release_input = ap_release_input;
lap->policy.init_stream_volume = ap_init_stream_volume;
lap->policy.set_stream_volume_index = ap_set_stream_volume_index;
lap->policy.get_stream_volume_index = ap_get_stream_volume_index;
lap->policy.set_stream_volume_index_for_device = ap_set_stream_volume_index_for_device;
lap->policy.get_stream_volume_index_for_device = ap_get_stream_volume_index_for_device;
lap->policy.get_strategy_for_stream = ap_get_strategy_for_stream;
lap->policy.get_devices_for_stream = ap_get_devices_for_stream;
lap->policy.get_output_for_effect = ap_get_output_for_effect;
lap->policy.register_effect = ap_register_effect;
lap->policy.unregister_effect = ap_unregister_effect;
lap->policy.set_effect_enabled = ap_set_effect_enabled;
lap->policy.is_stream_active = ap_is_stream_active;
lap->policy.is_stream_active_remotely = ap_is_stream_active_remotely;
lap->policy.is_source_active = ap_is_source_active;
lap->policy.dump = ap_dump;
lap->service = service;
lap->aps_ops = aps_ops;
lap->service_client =
new AudioPolicyCompatClient(aps_ops, service);
if (!lap->service_client) {
ret = -ENOMEM;
goto err_new_compat_client;
}
lap->apm = createAudioPolicyManager(lap->service_client);
if (!lap->apm) {
ret = -ENOMEM;
goto err_create_apm;
}
*ap = &lap->policy;
return 0;
err_create_apm:
delete lap->service_client;
err_new_compat_client:
free(lap);
*ap = NULL;
return ret;
}
static int destroy_legacy_ap(const struct audio_policy_device *ap_dev,
struct audio_policy *ap)
{
struct legacy_audio_policy *lap = to_lap(ap);
if (!lap)
return 0;
if (lap->apm)
destroyAudioPolicyManager(lap->apm);
if (lap->service_client)
delete lap->service_client;
free(lap);
return 0;
}
static int legacy_ap_dev_close(hw_device_t* device)
{
if (device)
free(device);
return 0;
}
static int legacy_ap_dev_open(const hw_module_t* module, const char* name,
hw_device_t** device)
{
struct legacy_ap_device *dev;
if (strcmp(name, AUDIO_POLICY_INTERFACE) != 0)
return -EINVAL;
dev = (struct legacy_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 = const_cast<hw_module_t*>(module);
dev->device.common.close = legacy_ap_dev_close;
dev->device.create_audio_policy = create_legacy_ap;
dev->device.destroy_audio_policy = destroy_legacy_ap;
*device = &dev->device.common;
return 0;
}
static struct hw_module_methods_t legacy_ap_module_methods = {
open: legacy_ap_dev_open
};
struct legacy_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: "LEGACY Audio Policy HAL",
author: "The Android Open Source Project",
methods: &legacy_ap_module_methods,
dso : NULL,
reserved : {0},
},
},
};
}; // extern "C"
}; // namespace android_audio_legacy