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Diffstat (limited to 'include/media/IAudioFlinger.h')
| -rw-r--r-- | include/media/IAudioFlinger.h | 199 |
1 files changed, 0 insertions, 199 deletions
diff --git a/include/media/IAudioFlinger.h b/include/media/IAudioFlinger.h deleted file mode 100644 index 8239b0e..0000000 --- a/include/media/IAudioFlinger.h +++ /dev/null @@ -1,199 +0,0 @@ -/* - * 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 <media/IAudioTrack.h> -#include <media/IAudioRecord.h> -#include <media/IAudioFlingerClient.h> -#include <system/audio.h> -#include <system/audio_policy.h> -#include <hardware/audio_effect.h> -#include <media/IEffect.h> -#include <media/IEffectClient.h> -#include <utils/String8.h> - -namespace android { - -// ---------------------------------------------------------------------------- - -class IAudioFlinger : public IInterface -{ -public: - DECLARE_META_INTERFACE(AudioFlinger); - - // or-able bits shared by createTrack and openRecord, but not all combinations make sense - enum { - TRACK_DEFAULT = 0, // client requests a default AudioTrack - TRACK_TIMED = 1, // client requests a TimedAudioTrack - TRACK_FAST = 2, // client requests a fast AudioTrack - }; - typedef uint32_t track_flags_t; - - /* create an audio track and registers it with AudioFlinger. - * return null if the track cannot be created. - */ - virtual sp<IAudioTrack> createTrack( - pid_t pid, - audio_stream_type_t streamType, - uint32_t sampleRate, - audio_format_t format, - uint32_t channelMask, - int frameCount, - track_flags_t flags, - const sp<IMemory>& sharedBuffer, - audio_io_handle_t output, - int *sessionId, - status_t *status) = 0; - - virtual sp<IAudioRecord> openRecord( - pid_t pid, - audio_io_handle_t input, - uint32_t sampleRate, - audio_format_t format, - uint32_t channelMask, - int frameCount, - track_flags_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(audio_io_handle_t output) const = 0; - virtual int channelCount(audio_io_handle_t output) const = 0; - virtual audio_format_t format(audio_io_handle_t output) const = 0; - virtual size_t frameCount(audio_io_handle_t output) const = 0; - - // return estimated latency in milliseconds - virtual uint32_t latency(audio_io_handle_t 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(audio_stream_type_t stream, float value, - audio_io_handle_t output) = 0; - virtual status_t setStreamMute(audio_stream_type_t stream, bool muted) = 0; - - virtual float streamVolume(audio_stream_type_t stream, - audio_io_handle_t output) const = 0; - virtual bool streamMute(audio_stream_type_t stream) const = 0; - - // set audio mode - virtual status_t setMode(audio_mode_t mode) = 0; - - // mic mute/state - virtual status_t setMicMute(bool state) = 0; - virtual bool getMicMute() const = 0; - - virtual status_t setParameters(audio_io_handle_t ioHandle, - const String8& keyValuePairs) = 0; - virtual String8 getParameters(audio_io_handle_t ioHandle, const String8& keys) const = 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, audio_format_t format, int channelCount) const = 0; - - virtual audio_io_handle_t openOutput(uint32_t *pDevices, - uint32_t *pSamplingRate, - audio_format_t *pFormat, - uint32_t *pChannels, - uint32_t *pLatencyMs, - audio_policy_output_flags_t flags) = 0; - virtual audio_io_handle_t openDuplicateOutput(audio_io_handle_t output1, - audio_io_handle_t output2) = 0; - virtual status_t closeOutput(audio_io_handle_t output) = 0; - virtual status_t suspendOutput(audio_io_handle_t output) = 0; - virtual status_t restoreOutput(audio_io_handle_t output) = 0; - - virtual audio_io_handle_t openInput(uint32_t *pDevices, - uint32_t *pSamplingRate, - audio_format_t *pFormat, - uint32_t *pChannels, - audio_in_acoustics_t acoustics) = 0; - virtual status_t closeInput(audio_io_handle_t input) = 0; - - virtual status_t setStreamOutput(audio_stream_type_t stream, audio_io_handle_t output) = 0; - - virtual status_t setVoiceVolume(float volume) = 0; - - virtual status_t getRenderPosition(uint32_t *halFrames, uint32_t *dspFrames, - audio_io_handle_t output) const = 0; - - virtual unsigned int getInputFramesLost(audio_io_handle_t ioHandle) const = 0; - - virtual int newAudioSessionId() = 0; - - virtual void acquireAudioSessionId(int audioSession) = 0; - virtual void releaseAudioSessionId(int audioSession) = 0; - - virtual status_t queryNumberEffects(uint32_t *numEffects) const = 0; - - virtual status_t queryEffect(uint32_t index, effect_descriptor_t *pDescriptor) const = 0; - - virtual status_t getEffectDescriptor(const effect_uuid_t *pEffectUUID, - effect_descriptor_t *pDescriptor) const = 0; - - virtual sp<IEffect> createEffect(pid_t pid, - effect_descriptor_t *pDesc, - const sp<IEffectClient>& client, - int32_t priority, - audio_io_handle_t output, - int sessionId, - status_t *status, - int *id, - int *enabled) = 0; - - virtual status_t moveEffects(int session, audio_io_handle_t srcOutput, - audio_io_handle_t 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 |