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Commit 7c2e37dd authored by Glenn Kasten's avatar Glenn Kasten
Browse files

AudioTrack declare more methods const 

Change-Id: I4999e984460893961d0d8092cff17f3cf07d7214
parent f55bc564

include/media/AudioTrack.h

+7 −7
Original line number Diff line number Diff line
@@ -273,18 +273,18 @@ public: 
     * left and right volumes. Levels must be >= 0.0 and <= 1.0.

     */

            status_t    setVolume(float left, float right);

            void        getVolume(float* left, float* right);

            void        getVolume(float* left, float* right) const;



    /* Set the send level for this track. An auxiliary effect should be attached

     * to the track with attachEffect(). Level must be >= 0.0 and <= 1.0.

     */

            status_t    setAuxEffectSendLevel(float level);

            void        getAuxEffectSendLevel(float* level);

            void        getAuxEffectSendLevel(float* level) const;



    /* Set sample rate for this track, mostly used for games' sound effects

     */

            status_t    setSampleRate(int sampleRate);

            uint32_t    getSampleRate();

            uint32_t    getSampleRate() const;



    /* Enables looping and sets the start and end points of looping.

     *
@@ -299,7 +299,7 @@ public: 
     *          (loopEnd-loopStart) <= framecount()

     */

            status_t    setLoop(uint32_t loopStart, uint32_t loopEnd, int loopCount);

            status_t    getLoop(uint32_t *loopStart, uint32_t *loopEnd, int *loopCount);

            status_t    getLoop(uint32_t *loopStart, uint32_t *loopEnd, int *loopCount) const;



    /* Sets marker position. When playback reaches the number of frames specified, a callback with

     * event type EVENT_MARKER is called. Calling setMarkerPosition with marker == 0 cancels marker
@@ -315,7 +315,7 @@ public: 
     *  - INVALID_OPERATION: the AudioTrack has no callback installed.

     */

            status_t    setMarkerPosition(uint32_t marker);

            status_t    getMarkerPosition(uint32_t *marker);

            status_t    getMarkerPosition(uint32_t *marker) const;





    /* Sets position update period. Every time the number of frames specified has been played,
@@ -333,7 +333,7 @@ public: 
     *  - INVALID_OPERATION: the AudioTrack has no callback installed.

     */

            status_t    setPositionUpdatePeriod(uint32_t updatePeriod);

            status_t    getPositionUpdatePeriod(uint32_t *updatePeriod);

            status_t    getPositionUpdatePeriod(uint32_t *updatePeriod) const;



    /* Sets playback head position within AudioTrack buffer. The new position is specified

     * in number of frames.
@@ -384,7 +384,7 @@ public: 
     * Returned value:

     *  AudioTrack session ID.

     */

            int    getSessionId();

            int    getSessionId() const;



    /* Attach track auxiliary output to specified effect. Use effectId = 0

     * to detach track from effect.

media/libmedia/AudioTrack.cpp

+7 −7
Original line number Diff line number Diff line
@@ -506,7 +506,7 @@ status_t AudioTrack::setVolume(float left, float right) 
    return NO_ERROR;

}



void AudioTrack::getVolume(float* left, float* right)

void AudioTrack::getVolume(float* left, float* right) const

{

    if (left != NULL) {

        *left  = mVolume[LEFT];
@@ -531,7 +531,7 @@ status_t AudioTrack::setAuxEffectSendLevel(float level) 
    return NO_ERROR;

}



void AudioTrack::getAuxEffectSendLevel(float* level)

void AudioTrack::getAuxEffectSendLevel(float* level) const

{

    if (level != NULL) {

        *level  = mSendLevel;
@@ -553,7 +553,7 @@ status_t AudioTrack::setSampleRate(int rate) 
    return NO_ERROR;

}



uint32_t AudioTrack::getSampleRate()

uint32_t AudioTrack::getSampleRate() const

{

    AutoMutex lock(mLock);

    return mCblk->sampleRate;
@@ -601,7 +601,7 @@ status_t AudioTrack::setLoop_l(uint32_t loopStart, uint32_t loopEnd, int loopCou 
    return NO_ERROR;

}



status_t AudioTrack::getLoop(uint32_t *loopStart, uint32_t *loopEnd, int *loopCount)

status_t AudioTrack::getLoop(uint32_t *loopStart, uint32_t *loopEnd, int *loopCount) const

{

    AutoMutex lock(mLock);

    if (loopStart != NULL) {
@@ -631,7 +631,7 @@ status_t AudioTrack::setMarkerPosition(uint32_t marker) 
    return NO_ERROR;

}



status_t AudioTrack::getMarkerPosition(uint32_t *marker)

status_t AudioTrack::getMarkerPosition(uint32_t *marker) const

{

    if (marker == NULL) return BAD_VALUE;
@@ -652,7 +652,7 @@ status_t AudioTrack::setPositionUpdatePeriod(uint32_t updatePeriod) 
    return NO_ERROR;

}



status_t AudioTrack::getPositionUpdatePeriod(uint32_t *updatePeriod)

status_t AudioTrack::getPositionUpdatePeriod(uint32_t *updatePeriod) const

{

    if (updatePeriod == NULL) return BAD_VALUE;
@@ -712,7 +712,7 @@ audio_io_handle_t AudioTrack::getOutput_l() 
            mCblk->sampleRate, mFormat, mChannelMask, (audio_policy_output_flags_t)mFlags);

}



int AudioTrack::getSessionId()

int AudioTrack::getSessionId() const

{

    return mSessionId;

}