178 lines
7.7 KiB
C++
178 lines
7.7 KiB
C++
/*
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* Copyright (c) 2013-2016, The Linux Foundation. All rights reserved.
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* Not a contribution.
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*
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* Copyright (C) 2009 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <audiopolicy/managerdefault/AudioPolicyManager.h>
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#include <audio_policy_conf.h>
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#include <Volume.h>
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namespace android {
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#ifndef AUDIO_EXTN_FORMATS_ENABLED
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#define AUDIO_FORMAT_WMA 0x12000000UL
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#define AUDIO_FORMAT_WMA_PRO 0x13000000UL
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#define AUDIO_FORMAT_FLAC 0x1B000000UL
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#define AUDIO_FORMAT_ALAC 0x1C000000UL
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#define AUDIO_FORMAT_APE 0x1D000000UL
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#endif
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#ifndef AAC_ADTS_OFFLOAD_ENABLED
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#define AUDIO_FORMAT_AAC_ADTS 0x1E000000UL
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#endif
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#ifndef AUDIO_EXTN_AFE_PROXY_ENABLED
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#define AUDIO_DEVICE_OUT_PROXY 0x1000000
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#endif
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#define MAX_BITRATE_WMA 384000
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#define MAX_BITRATE_WMA_PRO 1536000
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#define MAX_BITRATE_WMA_LOSSLESS 1152000
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// ----------------------------------------------------------------------------
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class AudioPolicyManagerCustom: public AudioPolicyManager
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{
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public:
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AudioPolicyManagerCustom(AudioPolicyClientInterface *clientInterface);
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virtual ~AudioPolicyManagerCustom() {}
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status_t setDeviceConnectionStateInt(audio_devices_t device,
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audio_policy_dev_state_t state,
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const char *device_address,
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const char *device_name);
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virtual void setPhoneState(audio_mode_t state);
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virtual void setForceUse(audio_policy_force_use_t usage,
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audio_policy_forced_cfg_t config);
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virtual bool isOffloadSupported(const audio_offload_info_t& offloadInfo);
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virtual status_t getInputForAttr(const audio_attributes_t *attr,
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audio_io_handle_t *input,
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audio_session_t session,
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uid_t uid,
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uint32_t samplingRate,
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audio_format_t format,
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audio_channel_mask_t channelMask,
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audio_input_flags_t flags,
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audio_port_handle_t selectedDeviceId,
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input_type_t *inputType);
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// indicates to the audio policy manager that the input starts being used.
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virtual status_t startInput(audio_io_handle_t input,
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audio_session_t session);
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// indicates to the audio policy manager that the input stops being used.
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virtual status_t stopInput(audio_io_handle_t input,
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audio_session_t session);
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virtual void closeAllInputs();
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protected:
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status_t checkAndSetVolume(audio_stream_type_t stream,
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int index,
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const sp<AudioOutputDescriptor>& outputDesc,
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audio_devices_t device,
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int delayMs = 0, bool force = false);
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// selects the most appropriate device on output for current state
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// must be called every time a condition that affects the device choice for a given output is
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// changed: connected device, phone state, force use, output start, output stop..
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// see getDeviceForStrategy() for the use of fromCache parameter
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audio_devices_t getNewOutputDevice(const sp<AudioOutputDescriptor>& outputDesc,
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bool fromCache);
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// avoid invalidation for active music stream on previous outputs
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// which is supported on the new device.
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bool isInvalidationOfMusicStreamNeeded(routing_strategy strategy);
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// Must be called before updateDevicesAndOutputs()
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void checkOutputForStrategy(routing_strategy strategy);
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// returns true if given output is direct output
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bool isDirectOutput(audio_io_handle_t output);
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// if argument "device" is different from AUDIO_DEVICE_NONE, startSource() will force
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// the re-evaluation of the output device.
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status_t startSource(sp<AudioOutputDescriptor> outputDesc,
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audio_stream_type_t stream,
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audio_devices_t device,
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const char *address,
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uint32_t *delayMs);
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status_t stopSource(sp<AudioOutputDescriptor> outputDesc,
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audio_stream_type_t stream,
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bool forceDeviceUpdate);
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// event is one of STARTING_OUTPUT, STARTING_BEACON, STOPPING_OUTPUT, STOPPING_BEACON
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// returns 0 if no mute/unmute event happened, the largest latency of the device where
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// the mute/unmute happened
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uint32_t handleEventForBeacon(int){return 0;}
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uint32_t setBeaconMute(bool){return 0;}
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#ifdef VOICE_CONCURRENCY
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static audio_output_flags_t getFallBackPath();
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int mFallBackflag;
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#endif /*VOICE_CONCURRENCY*/
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void moveGlobalEffect();
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// handle special cases for sonification strategy while in call: mute streams or replace by
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// a special tone in the device used for communication
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void handleIncallSonification(audio_stream_type_t stream, bool starting, bool stateChange, audio_io_handle_t output);
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//parameter indicates of HDMI speakers disabled
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bool mHdmiAudioDisabled;
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//parameter indicates if HDMI plug in/out detected
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bool mHdmiAudioEvent;
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private:
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// updates device caching and output for streams that can influence the
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// routing of notifications
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void handleNotificationRoutingForStream(audio_stream_type_t stream);
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// internal method to return the output handle for the given device and format
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audio_io_handle_t getOutputForDevice(
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audio_devices_t device,
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audio_session_t session,
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audio_stream_type_t stream,
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uint32_t samplingRate,
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audio_format_t format,
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audio_channel_mask_t channelMask,
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audio_output_flags_t flags,
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const audio_offload_info_t *offloadInfo);
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// internal method to fill offload info in case of Direct PCM
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status_t getOutputForAttr(const audio_attributes_t *attr,
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audio_io_handle_t *output,
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audio_session_t session,
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audio_stream_type_t *stream,
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uid_t uid,
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uint32_t samplingRate,
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audio_format_t format,
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audio_channel_mask_t channelMask,
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audio_output_flags_t flags,
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audio_port_handle_t selectedDeviceId,
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const audio_offload_info_t *offloadInfo);
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// Used for voip + voice concurrency usecase
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int mPrevPhoneState;
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#ifdef VOICE_CONCURRENCY
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int mvoice_call_state;
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#endif
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#ifdef RECORD_PLAY_CONCURRENCY
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// Used for record + playback concurrency
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bool mIsInputRequestOnProgress;
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#endif
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float mPrevFMVolumeDb;
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bool mFMIsActive;
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};
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};
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