diff options
Diffstat (limited to 'include/hardware_legacy/AudioPolicyManagerBase.h')
| -rw-r--r-- | include/hardware_legacy/AudioPolicyManagerBase.h | 52 |
1 files changed, 34 insertions, 18 deletions
diff --git a/include/hardware_legacy/AudioPolicyManagerBase.h b/include/hardware_legacy/AudioPolicyManagerBase.h index b175670..8343f2b 100644 --- a/include/hardware_legacy/AudioPolicyManagerBase.h +++ b/include/hardware_legacy/AudioPolicyManagerBase.h @@ -52,6 +52,10 @@ namespace android_audio_legacy { #define NUM_VOL_CURVE_KNEES 2 +// Default minimum length allowed for offloading a compressed track +// Can be overridden by the audio.offload.min.duration.secs property +#define OFFLOAD_DEFAULT_MIN_DURATION_SECS 60 + // ---------------------------------------------------------------------------- // AudioPolicyManagerBase implements audio policy manager behavior common to all platforms. // Each platform must implement an AudioPolicyManager class derived from AudioPolicyManagerBase @@ -87,7 +91,8 @@ public: uint32_t format = AudioSystem::FORMAT_DEFAULT, uint32_t channels = 0, AudioSystem::output_flags flags = - AudioSystem::OUTPUT_FLAG_INDIRECT); + AudioSystem::OUTPUT_FLAG_INDIRECT, + const audio_offload_info_t *offloadInfo = NULL); virtual status_t startOutput(audio_io_handle_t output, AudioSystem::stream_type stream, int session = 0); @@ -123,7 +128,7 @@ public: // return the enabled output devices for the given stream type virtual audio_devices_t getDevicesForStream(AudioSystem::stream_type stream); - virtual audio_io_handle_t getOutputForEffect(const effect_descriptor_t *desc); + virtual audio_io_handle_t getOutputForEffect(const effect_descriptor_t *desc = NULL); virtual status_t registerEffect(const effect_descriptor_t *desc, audio_io_handle_t io, uint32_t strategy, @@ -133,10 +138,16 @@ public: virtual status_t setEffectEnabled(int id, bool enabled); virtual bool isStreamActive(int stream, uint32_t inPastMs = 0) const; + // return whether a stream is playing remotely, override to change the definition of + // local/remote playback, used for instance by notification manager to not make + // media players lose audio focus when not playing locally + virtual bool isStreamActiveRemotely(int stream, uint32_t inPastMs = 0) const; virtual bool isSourceActive(audio_source_t source) const; virtual status_t dump(int fd); + virtual bool isOffloadSupported(const audio_offload_info_t& offloadInfo); + protected: enum routing_strategy { @@ -225,7 +236,9 @@ protected: static const VolumeCurvePoint sSpeakerMediaVolumeCurve[AudioPolicyManagerBase::VOLCNT]; // volume curve for sonification strategy on speakers static const VolumeCurvePoint sSpeakerSonificationVolumeCurve[AudioPolicyManagerBase::VOLCNT]; + static const VolumeCurvePoint sSpeakerSonificationVolumeCurveDrc[AudioPolicyManagerBase::VOLCNT]; static const VolumeCurvePoint sDefaultSystemVolumeCurve[AudioPolicyManagerBase::VOLCNT]; + static const VolumeCurvePoint sDefaultSystemVolumeCurveDrc[AudioPolicyManagerBase::VOLCNT]; static const VolumeCurvePoint sHeadsetSystemVolumeCurve[AudioPolicyManagerBase::VOLCNT]; static const VolumeCurvePoint sDefaultVoiceVolumeCurve[AudioPolicyManagerBase::VOLCNT]; static const VolumeCurvePoint sSpeakerVoiceVolumeCurve[AudioPolicyManagerBase::VOLCNT]; @@ -241,16 +254,20 @@ protected: status_t dump(int fd); - audio_devices_t device(); - void changeRefCount(AudioSystem::stream_type, int delta); - uint32_t refCount(); - uint32_t strategyRefCount(routing_strategy strategy); - bool isUsedByStrategy(routing_strategy strategy) { return (strategyRefCount(strategy) != 0);} + audio_devices_t device() const; + void changeRefCount(AudioSystem::stream_type stream, int delta); + bool isDuplicated() const { return (mOutput1 != NULL && mOutput2 != NULL); } audio_devices_t supportedDevices(); uint32_t latency(); bool sharesHwModuleWith(const AudioOutputDescriptor *outputDesc); - bool isActive(uint32_t inPastMs) const; + bool isActive(uint32_t inPastMs = 0) const; + bool isStreamActive(AudioSystem::stream_type stream, + uint32_t inPastMs = 0, + nsecs_t sysTime = 0) const; + bool isStrategyActive(routing_strategy strategy, + uint32_t inPastMs = 0, + nsecs_t sysTime = 0) const; audio_io_handle_t mId; // output handle uint32_t mSamplingRate; // @@ -268,6 +285,7 @@ protected: const IOProfile *mProfile; // I/O profile this output derives from bool mStrategyMutedByDevice[NUM_STRATEGIES]; // strategies muted because of incompatible // device selection. See checkDeviceMuteStrategies() + uint32_t mDirectOpenCount; // number of clients using this output (direct outputs only) }; // descriptor for audio inputs. Used to maintain current configuration of each opened audio input @@ -432,16 +450,6 @@ protected: void updateDevicesAndOutputs(); - // true if current platform requires a specific output to be opened for this particular - // set of parameters. This function is called by getOutput() and is implemented by platform - // specific audio policy manager. - virtual bool needsDirectOuput(audio_stream_type_t stream, - uint32_t samplingRate, - audio_format_t format, - audio_channel_mask_t channelMask, - audio_output_flags_t flags, - audio_devices_t device); - virtual uint32_t getMaxEffectsCpuLoad(); virtual uint32_t getMaxEffectsMemory(); #ifdef AUDIO_POLICY_TEST @@ -482,12 +490,18 @@ protected: uint32_t format, uint32_t channelMask, audio_output_flags_t flags); + + audio_io_handle_t selectOutputForEffects(const SortedVector<audio_io_handle_t>& outputs); + + bool isNonOffloadableEffectEnabled(); + // // Audio policy configuration file parsing (audio_policy.conf) // static uint32_t stringToEnum(const struct StringToEnum *table, size_t size, const char *name); + static bool stringToBool(const char *value); static audio_output_flags_t parseFlagNames(char *name); static audio_devices_t parseDeviceNames(char *name); void loadSamplingRates(char *name, IOProfile *profile); @@ -541,6 +555,8 @@ protected: audio_devices_t mAttachedOutputDevices; // output devices always available on the platform audio_devices_t mDefaultOutputDevice; // output device selected by default at boot time // (must be in mAttachedOutputDevices) + bool mSpeakerDrcEnabled;// true on devices that use DRC on the DEVICE_CATEGORY_SPEAKER path + // to boost soft sounds, used to adjust volume curves accordingly Vector <HwModule *> mHwModules; |