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/*
* Copyright (c) 2013-2019 The Linux Foundation. All rights reserved.
* Not a contribution.
*
* 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 <audiopolicy/managerdefault/AudioPolicyManager.h>
#include <audio_policy_conf.h>
#include <Volume.h>
#include "APMConfigHelper.h"
namespace android {
#ifndef AUDIO_EXTN_FORMATS_ENABLED
#define AUDIO_FORMAT_WMA 0x12000000UL
#define AUDIO_FORMAT_WMA_PRO 0x13000000UL
#define AUDIO_FORMAT_FLAC 0x1B000000UL
#define AUDIO_FORMAT_ALAC 0x1C000000UL
#define AUDIO_FORMAT_APE 0x1D000000UL
#endif
#define WMA_STD_NUM_FREQ 7
#define WMA_STD_NUM_CHANNELS 2
static uint32_t wmaStdSampleRateTbl[WMA_STD_NUM_FREQ] =
{
8000, 11025, 16000, 22050, 32000, 44100, 48000
};
static uint32_t wmaStdMinAvgByteRateTbl[WMA_STD_NUM_FREQ][WMA_STD_NUM_CHANNELS] =
{
{128, 12000},
{8016, 8016},
{10000, 16000},
{16016, 20008},
{20000, 24000},
{20008, 31960},
{63000, 63000}
};
static uint32_t wmaStdMaxAvgByteRateTbl[WMA_STD_NUM_FREQ][WMA_STD_NUM_CHANNELS] =
{
{8000, 12000},
{10168, 10168},
{16000, 20000},
{20008, 32048},
{20000, 48000},
{48024, 320032},
{256008, 256008}
};
#define MAX_BITRATE_WMA_PRO 1536000
#define MAX_BITRATE_WMA_LOSSLESS 1152000
#ifndef AAC_ADTS_OFFLOAD_ENABLED
#define AUDIO_FORMAT_AAC_ADTS 0x1E000000UL
#endif
#ifndef AUDIO_EXTN_AFE_PROXY_ENABLED
#define AUDIO_DEVICE_OUT_PROXY 0x1000000
#endif
// ----------------------------------------------------------------------------
class AudioPolicyManagerCustom: public AudioPolicyManager
{
public:
AudioPolicyManagerCustom(AudioPolicyClientInterface *clientInterface);
virtual ~AudioPolicyManagerCustom() {}
status_t setDeviceConnectionStateInt(audio_devices_t device,
audio_policy_dev_state_t state,
const char *device_address,
const char *device_name,
audio_format_t encodedFormat);
virtual void setPhoneState(audio_mode_t state);
virtual void setForceUse(audio_policy_force_use_t usage,
audio_policy_forced_cfg_t config);
virtual bool isOffloadSupported(const audio_offload_info_t& offloadInfo);
virtual status_t getInputForAttr(const audio_attributes_t *attr,
audio_io_handle_t *input,
audio_unique_id_t riid,
audio_session_t session,
uid_t uid,
const audio_config_base_t *config,
audio_input_flags_t flags,
audio_port_handle_t *selectedDeviceId,
input_type_t *inputType,
audio_port_handle_t *portId);
/* count active capture sessions (that are not sound trigger) using one of
the specified devices. Ignore devices if AUDIO_DEVICE_IN_DEFAULT is passed */
uint32_t activeNonSoundTriggerInputsCountOnDevices(
audio_devices_t devices = AUDIO_DEVICE_IN_DEFAULT) const;
// indicates to the audio policy manager that the input starts being used.
virtual status_t startInput(audio_port_handle_t portId);
// indicates to the audio policy manager that the input stops being used.
virtual status_t stopInput(audio_port_handle_t portId);
static sp<APMConfigHelper> mApmConfigs;
protected:
// check that volume change is permitted, compute and send new volume to audio hardware
virtual status_t checkAndSetVolume(IVolumeCurves &curves,
VolumeSource volumeSource, int index,
const sp<AudioOutputDescriptor>& outputDesc,
audio_devices_t device,
int delayMs = 0, bool force = false);
// avoid invalidation for active music stream on previous outputs
// which is supported on the new device.
bool isInvalidationOfMusicStreamNeeded(const audio_attributes_t &attr);
// Must be called before updateDevicesAndOutputs()
void checkOutputForAttributes(const audio_attributes_t &attr);
// if argument "device" is different from AUDIO_DEVICE_NONE, startSource() will force
// the re-evaluation of the output device.
status_t startSource(const sp<SwAudioOutputDescriptor>& outputDesc,
const sp<TrackClientDescriptor>& client,
uint32_t *delayMs);
status_t stopSource(const sp<SwAudioOutputDescriptor>& outputDesc,
const sp<TrackClientDescriptor>& client);
// event is one of STARTING_OUTPUT, STARTING_BEACON, STOPPING_OUTPUT, STOPPING_BEACON
// returns 0 if no mute/unmute event happened, the largest latency of the device where
// the mute/unmute happened
uint32_t handleEventForBeacon(int){return 0;}
uint32_t setBeaconMute(bool){return 0;}
static audio_output_flags_t getFallBackPath();
int mFallBackflag;
//parameter indicates of HDMI speakers disabled
bool mHdmiAudioDisabled;
//parameter indicates if HDMI plug in/out detected
bool mHdmiAudioEvent;
private:
// internal method to return the output handle for the given device and format
audio_io_handle_t getOutputForDevices(
const DeviceVector &devices,
audio_session_t session,
audio_stream_type_t stream,
const audio_config_t *config,
audio_output_flags_t *flags,
bool forceMutingHaptic = false);
// internal method to fill offload info in case of Direct PCM
status_t getOutputForAttr(const audio_attributes_t *attr,
audio_io_handle_t *output,
audio_session_t session,
audio_stream_type_t *stream,
uid_t uid,
const audio_config_t *config,
audio_output_flags_t *flags,
audio_port_handle_t *selectedDeviceId,
audio_port_handle_t *portId,
std::vector<audio_io_handle_t> *secondaryOutputs);
// internal method to query hal for whether display-port is connected
// and can be used for voip/voice call
void chkDpConnAndAllowedForVoice();
// Used for voip + voice concurrency usecase
int mPrevPhoneState;
int mvoice_call_state;
// Used for record + playback concurrency
bool mIsInputRequestOnProgress;
};
};
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