diff options
Diffstat (limited to 'services/audioflinger/AudioMixer.h')
| -rw-r--r-- | services/audioflinger/AudioMixer.h | 50 |
1 files changed, 32 insertions, 18 deletions
diff --git a/services/audioflinger/AudioMixer.h b/services/audioflinger/AudioMixer.h index 15766cd..aee3e17 100644 --- a/services/audioflinger/AudioMixer.h +++ b/services/audioflinger/AudioMixer.h @@ -63,11 +63,14 @@ public: // for target TRACK CHANNEL_COUNT = 0x4000, FORMAT = 0x4001, + MAIN_BUFFER = 0x4002, + AUX_BUFFER = 0x4003, // for TARGET RESAMPLE SAMPLE_RATE = 0x4100, // for TARGET VOLUME (8 channels max) VOLUME0 = 0x4200, VOLUME1 = 0x4201, + AUXLEVEL = 0x4210, }; @@ -78,10 +81,10 @@ public: status_t disable(int name); status_t setActiveTrack(int track); - status_t setParameter(int target, int name, int value); + status_t setParameter(int target, int name, void *value); status_t setBufferProvider(AudioBufferProvider* bufferProvider); - void process(void* output); + void process(); uint32_t trackNames() const { return mTrackNames; } @@ -94,6 +97,7 @@ private: NEEDS_FORMAT__MASK = 0x000000F0, NEEDS_MUTE__MASK = 0x00000100, NEEDS_RESAMPLE__MASK = 0x00001000, + NEEDS_AUX__MASK = 0x00010000, }; enum { @@ -107,6 +111,9 @@ private: NEEDS_RESAMPLE_DISABLED = 0x00000000, NEEDS_RESAMPLE_ENABLED = 0x00001000, + + NEEDS_AUX_DISABLED = 0x00000000, + NEEDS_AUX_ENABLED = 0x00010000, }; static inline int32_t applyVolume(int32_t in, int32_t v) { @@ -115,9 +122,10 @@ private: struct state_t; + struct track_t; - typedef void (*mix_t)(state_t* state, void* output); - + typedef void (*mix_t)(state_t* state); + typedef void (*hook_t)(track_t* t, int32_t* output, size_t numOutFrames, int32_t* temp, int32_t* aux); static const int BLOCKSIZE = 16; // 4 cache lines struct track_t { @@ -131,6 +139,9 @@ private: int32_t prevVolume[2]; int32_t volumeInc[2]; + int32_t auxLevel; + int32_t auxInc; + int32_t prevAuxLevel; uint16_t frameCount; @@ -142,15 +153,17 @@ private: AudioBufferProvider* bufferProvider; mutable AudioBufferProvider::Buffer buffer; - void (*hook)(track_t* t, int32_t* output, size_t numOutFrames, int32_t* temp); + hook_t hook; void const* in; // current location in buffer AudioResampler* resampler; uint32_t sampleRate; + int32_t* mainBuffer; + int32_t* auxBuffer; bool setResampler(uint32_t sampleRate, uint32_t devSampleRate); bool doesResample() const; - void adjustVolumeRamp(); + void adjustVolumeRamp(bool aux); }; // pad to 32-bytes to fill cache line @@ -173,18 +186,19 @@ private: void invalidateState(uint32_t mask); - static void track__genericResample(track_t* t, int32_t* out, size_t numFrames, int32_t* temp); - static void track__nop(track_t* t, int32_t* out, size_t numFrames, int32_t* temp); - static void volumeRampStereo(track_t* t, int32_t* out, size_t frameCount, int32_t* temp); - static void track__16BitsStereo(track_t* t, int32_t* out, size_t numFrames, int32_t* temp); - static void track__16BitsMono(track_t* t, int32_t* out, size_t numFrames, int32_t* temp); - - static void process__validate(state_t* state, void* output); - static void process__nop(state_t* state, void* output); - static void process__genericNoResampling(state_t* state, void* output); - static void process__genericResampling(state_t* state, void* output); - static void process__OneTrack16BitsStereoNoResampling(state_t* state, void* output); - static void process__TwoTracks16BitsStereoNoResampling(state_t* state, void* output); + static void track__genericResample(track_t* t, int32_t* out, size_t numFrames, int32_t* temp, int32_t* aux); + static void track__nop(track_t* t, int32_t* out, size_t numFrames, int32_t* temp, int32_t* aux); + static void track__16BitsStereo(track_t* t, int32_t* out, size_t numFrames, int32_t* temp, int32_t* aux); + static void track__16BitsMono(track_t* t, int32_t* out, size_t numFrames, int32_t* temp, int32_t* aux); + static void volumeRampStereo(track_t* t, int32_t* out, size_t frameCount, int32_t* temp, int32_t* aux); + static void volumeStereo(track_t* t, int32_t* out, size_t frameCount, int32_t* temp, int32_t* aux); + + static void process__validate(state_t* state); + static void process__nop(state_t* state); + static void process__genericNoResampling(state_t* state); + static void process__genericResampling(state_t* state); + static void process__OneTrack16BitsStereoNoResampling(state_t* state); + static void process__TwoTracks16BitsStereoNoResampling(state_t* state); }; // ---------------------------------------------------------------------------- |