9d91ad5d99
Initial commit for review. Integrated comments after patch set 1 review. Fixed lockup in AudioFlinger::ThreadBase::exit() Fixed lockup when playing tone with AudioPlocyService startTone()
190 lines
8.6 KiB
C++
190 lines
8.6 KiB
C++
/*
|
|
* Copyright (C) 2009 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.
|
|
*/
|
|
|
|
|
|
#include <stdint.h>
|
|
#include <sys/types.h>
|
|
|
|
#include <utils/Errors.h>
|
|
#include <utils/KeyedVector.h>
|
|
#include <hardware_legacy/AudioPolicyInterface.h>
|
|
#include <utils/threads.h>
|
|
|
|
|
|
namespace android {
|
|
|
|
// ----------------------------------------------------------------------------
|
|
|
|
#define MAX_DEVICE_ADDRESS_LEN 20
|
|
#define NUM_TEST_OUTPUTS 5
|
|
|
|
class AudioPolicyManagerGeneric: public AudioPolicyInterface
|
|
#ifdef AUDIO_POLICY_TEST
|
|
, public Thread
|
|
#endif //AUDIO_POLICY_TEST
|
|
{
|
|
|
|
public:
|
|
AudioPolicyManagerGeneric(AudioPolicyClientInterface *clientInterface);
|
|
virtual ~AudioPolicyManagerGeneric();
|
|
|
|
// AudioPolicyInterface
|
|
virtual status_t setDeviceConnectionState(AudioSystem::audio_devices device,
|
|
AudioSystem::device_connection_state state,
|
|
const char *device_address);
|
|
virtual AudioSystem::device_connection_state getDeviceConnectionState(AudioSystem::audio_devices device,
|
|
const char *device_address);
|
|
virtual void setPhoneState(int state);
|
|
virtual void setRingerMode(uint32_t mode, uint32_t mask);
|
|
virtual void setForceUse(AudioSystem::force_use usage, AudioSystem::forced_config config);
|
|
virtual AudioSystem::forced_config getForceUse(AudioSystem::force_use usage);
|
|
virtual void setSystemProperty(const char* property, const char* value);
|
|
virtual audio_io_handle_t getOutput(AudioSystem::stream_type stream,
|
|
uint32_t samplingRate,
|
|
uint32_t format,
|
|
uint32_t channels,
|
|
AudioSystem::output_flags flags);
|
|
virtual status_t startOutput(audio_io_handle_t output, AudioSystem::stream_type stream);
|
|
virtual status_t stopOutput(audio_io_handle_t output, AudioSystem::stream_type stream);
|
|
virtual void releaseOutput(audio_io_handle_t output);
|
|
virtual audio_io_handle_t getInput(int inputSource,
|
|
uint32_t samplingRate,
|
|
uint32_t format,
|
|
uint32_t channels,
|
|
AudioSystem::audio_in_acoustics acoustics);
|
|
// indicates to the audio policy manager that the input starts being used.
|
|
virtual status_t startInput(audio_io_handle_t input);
|
|
// indicates to the audio policy manager that the input stops being used.
|
|
virtual status_t stopInput(audio_io_handle_t input);
|
|
virtual void releaseInput(audio_io_handle_t input);
|
|
virtual void initStreamVolume(AudioSystem::stream_type stream,
|
|
int indexMin,
|
|
int indexMax);
|
|
virtual status_t setStreamVolumeIndex(AudioSystem::stream_type stream, int index);
|
|
virtual status_t getStreamVolumeIndex(AudioSystem::stream_type stream, int *index);
|
|
|
|
private:
|
|
|
|
enum routing_strategy {
|
|
STRATEGY_MEDIA,
|
|
STRATEGY_PHONE,
|
|
STRATEGY_SONIFICATION,
|
|
STRATEGY_DTMF,
|
|
NUM_STRATEGIES
|
|
};
|
|
|
|
// descriptor for audio outputs. Used to maintain current configuration of each opened audio output
|
|
// and keep track of the usage of this output by each audio stream type.
|
|
class AudioOutputDescriptor
|
|
{
|
|
public:
|
|
AudioOutputDescriptor();
|
|
|
|
|
|
uint32_t device();
|
|
void changeRefCount(AudioSystem::stream_type, int delta);
|
|
bool isUsedByStream(AudioSystem::stream_type stream) { return mRefCount[stream] > 0 ? true : false; }
|
|
uint32_t refCount();
|
|
|
|
uint32_t mSamplingRate; //
|
|
uint32_t mFormat; //
|
|
uint32_t mChannels; // output configuration
|
|
uint32_t mLatency; //
|
|
AudioSystem::output_flags mFlags; //
|
|
uint32_t mDevice; // current device this output is routed to
|
|
uint32_t mRefCount[AudioSystem::NUM_STREAM_TYPES]; // number of streams of each type using this output
|
|
};
|
|
|
|
// descriptor for audio inputs. Used to maintain current configuration of each opened audio input
|
|
// and keep track of the usage of this input.
|
|
class AudioInputDescriptor
|
|
{
|
|
public:
|
|
AudioInputDescriptor();
|
|
|
|
uint32_t mSamplingRate; //
|
|
uint32_t mFormat; // input configuration
|
|
uint32_t mChannels; //
|
|
AudioSystem::audio_in_acoustics mAcoustics; //
|
|
uint32_t mDevice; // current device this input is routed to
|
|
uint32_t mRefCount; // number of AudioRecord clients using this output
|
|
};
|
|
|
|
// stream descriptor used for volume control
|
|
class StreamDescriptor
|
|
{
|
|
public:
|
|
StreamDescriptor()
|
|
: mIndexMin(0), mIndexMax(1), mIndexCur(1), mMuteCount(0), mCanBeMuted(true) {}
|
|
|
|
int mIndexMin; // min volume index
|
|
int mIndexMax; // max volume index
|
|
int mIndexCur; // current volume index
|
|
int mMuteCount; // mute request counter
|
|
bool mCanBeMuted; // true is the stream can be muted
|
|
};
|
|
|
|
// return the strategy corresponding to a given stream type
|
|
static routing_strategy getStrategy(AudioSystem::stream_type stream);
|
|
// return the output handle of an output routed to the specified device, 0 if no output
|
|
// is routed to the device
|
|
float computeVolume(int stream, int index, uint32_t device);
|
|
// Mute or unmute the stream on the specified output
|
|
void setStreamMute(int stream, bool on, audio_io_handle_t output);
|
|
// handle special cases for sonification strategy while in call: mute streams or replace by
|
|
// a special tone in the device used for communication
|
|
void handleIncallSonification(int stream, bool starting);
|
|
|
|
|
|
#ifdef AUDIO_POLICY_TEST
|
|
virtual bool threadLoop();
|
|
void exit();
|
|
int testOutputIndex(audio_io_handle_t output);
|
|
#endif //AUDIO_POLICY_TEST
|
|
|
|
|
|
AudioPolicyClientInterface *mpClientInterface; // audio policy client interface
|
|
audio_io_handle_t mHardwareOutput; // hardware output handler
|
|
|
|
KeyedVector<audio_io_handle_t, AudioOutputDescriptor *> mOutputs; // list ot output descritors
|
|
KeyedVector<audio_io_handle_t, AudioInputDescriptor *> mInputs; // list of input descriptors
|
|
uint32_t mAvailableOutputDevices; // bit field of all available output devices
|
|
uint32_t mAvailableInputDevices; // bit field of all available input devices
|
|
int mPhoneState; // current phone state
|
|
uint32_t mRingerMode; // current ringer mode
|
|
AudioSystem::forced_config mForceUse[AudioSystem::NUM_FORCE_USE]; // current forced use configuration
|
|
|
|
StreamDescriptor mStreams[AudioSystem::NUM_STREAM_TYPES]; // stream descriptors for volume control
|
|
|
|
#ifdef AUDIO_POLICY_TEST
|
|
Mutex mLock;
|
|
Condition mWaitWorkCV;
|
|
|
|
int mCurOutput;
|
|
bool mDirectOutput;
|
|
audio_io_handle_t mTestOutputs[NUM_TEST_OUTPUTS];
|
|
int mTestInput;
|
|
uint32_t mTestDevice;
|
|
uint32_t mTestSamplingRate;
|
|
uint32_t mTestFormat;
|
|
uint32_t mTestChannelcount;
|
|
uint32_t mTestLatencyMs;
|
|
#endif //AUDIO_POLICY_TEST
|
|
|
|
};
|
|
|
|
};
|