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Diffstat (limited to 'dom/system/gonk/android_audio/IAudioFlinger.h')
| -rw-r--r-- | dom/system/gonk/android_audio/IAudioFlinger.h | 184 |
1 files changed, 184 insertions, 0 deletions
diff --git a/dom/system/gonk/android_audio/IAudioFlinger.h b/dom/system/gonk/android_audio/IAudioFlinger.h new file mode 100644 index 000000000..b10d3ab93 --- /dev/null +++ b/dom/system/gonk/android_audio/IAudioFlinger.h @@ -0,0 +1,184 @@ +/* + * Copyright (C) 2007 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef ANDROID_IAUDIOFLINGER_H +#define ANDROID_IAUDIOFLINGER_H + +#include <stdint.h> +#include <sys/types.h> +#include <unistd.h> + +#include <utils/RefBase.h> +#include <utils/Errors.h> +#include <binder/IInterface.h> +#include "IAudioTrack.h" +#include "IAudioRecord.h" +#include "IAudioFlingerClient.h" +#include "EffectApi.h" +#include "IEffect.h" +#include "IEffectClient.h" +#include <utils/String8.h> + +namespace android { + +// ---------------------------------------------------------------------------- + +class IAudioFlinger : public IInterface +{ +public: + DECLARE_META_INTERFACE(AudioFlinger); + + /* create an audio track and registers it with AudioFlinger. + * return null if the track cannot be created. + */ + virtual sp<IAudioTrack> createTrack( + pid_t pid, + int streamType, + uint32_t sampleRate, + int format, + int channelCount, + int frameCount, + uint32_t flags, + const sp<IMemory>& sharedBuffer, + int output, + int *sessionId, + status_t *status) = 0; + + virtual sp<IAudioRecord> openRecord( + pid_t pid, + int input, + uint32_t sampleRate, + int format, + int channelCount, + int frameCount, + uint32_t flags, + int *sessionId, + status_t *status) = 0; + + /* query the audio hardware state. This state never changes, + * and therefore can be cached. + */ + virtual uint32_t sampleRate(int output) const = 0; + virtual int channelCount(int output) const = 0; + virtual int format(int output) const = 0; + virtual size_t frameCount(int output) const = 0; + virtual uint32_t latency(int output) const = 0; + + /* set/get the audio hardware state. This will probably be used by + * the preference panel, mostly. + */ + virtual status_t setMasterVolume(float value) = 0; + virtual status_t setMasterMute(bool muted) = 0; + + virtual float masterVolume() const = 0; + virtual bool masterMute() const = 0; + + /* set/get stream type state. This will probably be used by + * the preference panel, mostly. + */ + virtual status_t setStreamVolume(int stream, float value, int output) = 0; + virtual status_t setStreamMute(int stream, bool muted) = 0; + + virtual float streamVolume(int stream, int output) const = 0; + virtual bool streamMute(int stream) const = 0; + + // set audio mode + virtual status_t setMode(int mode) = 0; + + // mic mute/state + virtual status_t setMicMute(bool state) = 0; + virtual bool getMicMute() const = 0; + + // is any track active on this stream? + virtual bool isStreamActive(int stream) const = 0; + + virtual status_t setParameters(int ioHandle, const String8& keyValuePairs) = 0; + virtual String8 getParameters(int ioHandle, const String8& keys) = 0; + + // register a current process for audio output change notifications + virtual void registerClient(const sp<IAudioFlingerClient>& client) = 0; + + // retrieve the audio recording buffer size + virtual size_t getInputBufferSize(uint32_t sampleRate, int format, int channelCount) = 0; + + virtual int openOutput(uint32_t *pDevices, + uint32_t *pSamplingRate, + uint32_t *pFormat, + uint32_t *pChannels, + uint32_t *pLatencyMs, + uint32_t flags) = 0; + virtual int openDuplicateOutput(int output1, int output2) = 0; + virtual status_t closeOutput(int output) = 0; + virtual status_t suspendOutput(int output) = 0; + virtual status_t restoreOutput(int output) = 0; + + virtual int openInput(uint32_t *pDevices, + uint32_t *pSamplingRate, + uint32_t *pFormat, + uint32_t *pChannels, + uint32_t acoustics) = 0; + virtual status_t closeInput(int input) = 0; + + virtual status_t setStreamOutput(uint32_t stream, int output) = 0; + + virtual status_t setVoiceVolume(float volume) = 0; + + virtual status_t getRenderPosition(uint32_t *halFrames, uint32_t *dspFrames, int output) = 0; + + virtual unsigned int getInputFramesLost(int ioHandle) = 0; + + virtual int newAudioSessionId() = 0; + + virtual status_t loadEffectLibrary(const char *libPath, int *handle) = 0; + + virtual status_t unloadEffectLibrary(int handle) = 0; + + virtual status_t queryNumberEffects(uint32_t *numEffects) = 0; + + virtual status_t queryEffect(uint32_t index, effect_descriptor_t *pDescriptor) = 0; + + virtual status_t getEffectDescriptor(effect_uuid_t *pEffectUUID, effect_descriptor_t *pDescriptor) = 0; + + virtual sp<IEffect> createEffect(pid_t pid, + effect_descriptor_t *pDesc, + const sp<IEffectClient>& client, + int32_t priority, + int output, + int sessionId, + status_t *status, + int *id, + int *enabled) = 0; + + virtual status_t moveEffects(int session, int srcOutput, int dstOutput) = 0; +}; + + +// ---------------------------------------------------------------------------- + +class BnAudioFlinger : public BnInterface<IAudioFlinger> +{ +public: + virtual status_t onTransact( uint32_t code, + const Parcel& data, + Parcel* reply, + uint32_t flags = 0); +}; + +// ---------------------------------------------------------------------------- + +}; // namespace android + +#endif // ANDROID_IAUDIOFLINGER_H |