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Commit e8a1ced4 authored by Andy Hung's avatar Andy Hung
Browse files

Add format parameter to getTrackName() and track_t 



Change-Id: Ia152a839014e235fbfb656104c15d7c1b456d02e
Signed-off-by: default avatarAndy Hung <hunga@google.com>
parent 68112fc4

services/audioflinger/AudioMixer.cpp

+7 −2
Original line number Diff line number Diff line
@@ -153,8 +153,13 @@ void AudioMixer::setLog(NBLog::Writer *log) 
    mState.mLog = log;

}



int AudioMixer::getTrackName(audio_channel_mask_t channelMask, int sessionId)

int AudioMixer::getTrackName(audio_channel_mask_t channelMask,

        audio_format_t format, int sessionId)

{

    if (!isValidPcmTrackFormat(format)) {

        ALOGE("AudioMixer::getTrackName invalid format (%#x)", format);

        return -1;

    }

    uint32_t names = (~mTrackNames) & mConfiguredNames;

    if (names != 0) {

        int n = __builtin_ctz(names);
@@ -193,7 +198,7 @@ int AudioMixer::getTrackName(audio_channel_mask_t channelMask, int sessionId) 
        t->auxBuffer = NULL;

        t->downmixerBufferProvider = NULL;

        t->mMixerFormat = AUDIO_FORMAT_PCM_16_BIT;



        t->mFormat = format;

        status_t status = initTrackDownmix(&mState.tracks[n], n, channelMask);

        if (status != OK) {

            ALOGE("AudioMixer::getTrackName invalid channelMask (%#x)", channelMask);

services/audioflinger/AudioMixer.h

+10 −4
Original line number Diff line number Diff line
@@ -100,7 +100,10 @@ public: 
    // For all APIs with "name": TRACK0 <= name < TRACK0 + MAX_NUM_TRACKS



    // Allocate a track name.  Returns new track name if successful, -1 on failure.

    int         getTrackName(audio_channel_mask_t channelMask, int sessionId);

    // The failure could be because of an invalid channelMask or format, or that

    // the track capacity of the mixer is exceeded.

    int         getTrackName(audio_channel_mask_t channelMask,

                             audio_format_t format, int sessionId);



    // Free an allocated track by name

    void        deleteTrackName(int name);
@@ -118,6 +121,10 @@ public: 


    size_t      getUnreleasedFrames(int name) const;



    static inline bool isValidPcmTrackFormat(audio_format_t format) {

        return format == AUDIO_FORMAT_PCM_16_BIT;

    }



private:



    enum {
@@ -194,9 +201,8 @@ private: 


        int32_t     sessionId;



        audio_format_t mMixerFormat; // at this time: AUDIO_FORMAT_PCM_(FLOAT|16_BIT)



        int32_t     padding[1];

        audio_format_t mMixerFormat;     // output mix format: AUDIO_FORMAT_PCM_(FLOAT|16_BIT)

        audio_format_t mFormat;          // input track format



        // 16-byte boundary

services/audioflinger/FastMixer.cpp

+2 −1
Original line number Diff line number Diff line
@@ -224,7 +224,8 @@ void FastMixer::onStateChange() 
            AudioBufferProvider *bufferProvider = fastTrack->mBufferProvider;

            ALOG_ASSERT(bufferProvider != NULL && fastTrackNames[i] == -1);

            if (mixer != NULL) {

                name = mixer->getTrackName(fastTrack->mChannelMask, AUDIO_SESSION_OUTPUT_MIX);

                name = mixer->getTrackName(fastTrack->mChannelMask,

                        fastTrack->mFormat, AUDIO_SESSION_OUTPUT_MIX);

                ALOG_ASSERT(name >= 0);

                fastTrackNames[i] = name;

                mixer->setBufferProvider(name, bufferProvider);

services/audioflinger/FastMixerState.cpp

+1 −1
Original line number Diff line number Diff line
@@ -20,7 +20,7 @@ namespace android { 


FastTrack::FastTrack() :

    mBufferProvider(NULL), mVolumeProvider(NULL),

    mChannelMask(AUDIO_CHANNEL_OUT_STEREO), mGeneration(0)

    mChannelMask(AUDIO_CHANNEL_OUT_STEREO), mFormat(AUDIO_FORMAT_INVALID), mGeneration(0)

{

}

services/audioflinger/FastMixerState.h

+1 −0
Original line number Diff line number Diff line
@@ -45,6 +45,7 @@ struct FastTrack { 
    ExtendedAudioBufferProvider* mBufferProvider; // must be NULL if inactive, or non-NULL if active

    VolumeProvider*         mVolumeProvider; // optional; if NULL then full-scale

    audio_channel_mask_t    mChannelMask;    // AUDIO_CHANNEL_OUT_MONO or AUDIO_CHANNEL_OUT_STEREO

    audio_format_t          mFormat;         // track format

    int                     mGeneration;     // increment when any field is assigned

};