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Commit 2e2e8265 authored by Sharad Sangle's avatar Sharad Sangle Committed by Sam Mortimer
Browse files

audiopolicy: make audio policy extensible 

make function virtual or protected so that
they can be extended in custom audio policy.

audio policy: move output handle to AudioOutputDescriptor base class
Change-Id: I96ef9fd1c5a94874acb897245501ba2f9c9ab0c0

Change-Id: Ida7992f6b327491fab1f4ea376e85e8eb34b89ca
parent 60ba815e

services/audiopolicy/common/managerdefinitions/include/AudioOutputDescriptor.h

+1 −1
Original line number Diff line number Diff line
@@ -78,6 +78,7 @@ public: 


    sp<AudioPort>       mPort;

    audio_devices_t mDevice;                   // current device this output is routed to

    audio_io_handle_t mIoHandle;           // output handle

    uint32_t mRefCount[AUDIO_STREAM_CNT]; // number of streams of each type using this output

    nsecs_t mStopTime[AUDIO_STREAM_CNT];

    float mCurVolume[AUDIO_STREAM_CNT];   // current stream volume in dB
@@ -123,7 +124,6 @@ public: 
    virtual void toAudioPort(struct audio_port *port) const;



    const sp<IOProfile> mProfile;          // I/O profile this output derives from

    audio_io_handle_t mIoHandle;           // output handle

    uint32_t mLatency;                  //

    audio_output_flags_t mFlags;   //

    AudioMix *mPolicyMix;             // non NULL when used by a dynamic policy

services/audiopolicy/common/managerdefinitions/src/AudioOutputDescriptor.cpp

+2 −2
Original line number Diff line number Diff line
@@ -33,7 +33,7 @@ namespace android { 


AudioOutputDescriptor::AudioOutputDescriptor(const sp<AudioPort>& port,

                                             AudioPolicyClientInterface *clientInterface)

    : mPort(port), mDevice(AUDIO_DEVICE_NONE),

    : mPort(port), mDevice(AUDIO_DEVICE_NONE), mIoHandle(0),

      mClientInterface(clientInterface), mPatchHandle(AUDIO_PATCH_HANDLE_NONE), mId(0)

{

    // clear usage count for all stream types
@@ -221,7 +221,7 @@ void AudioOutputDescriptor::log(const char* indent) 
SwAudioOutputDescriptor::SwAudioOutputDescriptor(const sp<IOProfile>& profile,

                                                 AudioPolicyClientInterface *clientInterface)

    : AudioOutputDescriptor(profile, clientInterface),

    mProfile(profile), mIoHandle(0), mLatency(0),

    mProfile(profile), mLatency(0),

    mFlags((audio_output_flags_t)0), mPolicyMix(NULL),

    mOutput1(0), mOutput2(0), mDirectOpenCount(0),

    mDirectClientSession(AUDIO_SESSION_NONE), mGlobalRefCount(0)

services/audiopolicy/managerdefault/AudioPolicyManager.h

+5 −5
Original line number Diff line number Diff line
@@ -482,12 +482,12 @@ protected: 


        // if argument "device" is different from AUDIO_DEVICE_NONE,  startSource() will force

        // the re-evaluation of the output device.

        status_t startSource(const sp<AudioOutputDescriptor>& outputDesc,

        virtual status_t startSource(const sp<AudioOutputDescriptor>& outputDesc,

                             audio_stream_type_t stream,

                             audio_devices_t device,

                             const char *address,

                             uint32_t *delayMs);

        status_t stopSource(const sp<AudioOutputDescriptor>& outputDesc,

        virtual status_t stopSource(const sp<AudioOutputDescriptor>& outputDesc,

                            audio_stream_type_t stream,

                            bool forceDeviceUpdate);
@@ -592,7 +592,7 @@ protected: 


        // Audio Policy Engine Interface.

        AudioPolicyManagerInterface *mEngine;

private:

protected:

        // Add or remove AC3 DTS encodings based on user preferences.

        void filterSurroundFormats(FormatVector *formatsPtr);

        void filterSurroundChannelMasks(ChannelsVector *channelMasksPtr);
@@ -624,7 +624,7 @@ private: 
                SortedVector<audio_io_handle_t>& outputs /*out*/);

        uint32_t curAudioPortGeneration() const { return mAudioPortGeneration; }

        // internal method to return the output handle for the given device and format

        audio_io_handle_t getOutputForDevice(

        virtual audio_io_handle_t getOutputForDevice(

                audio_devices_t device,

                audio_session_t session,

                audio_stream_type_t stream,
@@ -660,7 +660,7 @@ private: 
                                                        AudioMix **policyMix = NULL);



        // Called by setDeviceConnectionState().

        status_t setDeviceConnectionStateInt(audio_devices_t device,

        virtual status_t setDeviceConnectionStateInt(audio_devices_t device,

                                                          audio_policy_dev_state_t state,

                                                          const char *device_address,

                                                          const char *device_name);