1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/dom/system/gonk/android_audio/IAudioFlinger.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,184 @@
1.4 +/*
1.5 + * Copyright (C) 2007 The Android Open Source Project
1.6 + *
1.7 + * Licensed under the Apache License, Version 2.0 (the "License");
1.8 + * you may not use this file except in compliance with the License.
1.9 + * You may obtain a copy of the License at
1.10 + *
1.11 + * http://www.apache.org/licenses/LICENSE-2.0
1.12 + *
1.13 + * Unless required by applicable law or agreed to in writing, software
1.14 + * distributed under the License is distributed on an "AS IS" BASIS,
1.15 + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
1.16 + * See the License for the specific language governing permissions and
1.17 + * limitations under the License.
1.18 + */
1.19 +
1.20 +#ifndef ANDROID_IAUDIOFLINGER_H
1.21 +#define ANDROID_IAUDIOFLINGER_H
1.22 +
1.23 +#include <stdint.h>
1.24 +#include <sys/types.h>
1.25 +#include <unistd.h>
1.26 +
1.27 +#include <utils/RefBase.h>
1.28 +#include <utils/Errors.h>
1.29 +#include <binder/IInterface.h>
1.30 +#include "IAudioTrack.h"
1.31 +#include "IAudioRecord.h"
1.32 +#include "IAudioFlingerClient.h"
1.33 +#include "EffectApi.h"
1.34 +#include "IEffect.h"
1.35 +#include "IEffectClient.h"
1.36 +#include <utils/String8.h>
1.37 +
1.38 +namespace android {
1.39 +
1.40 +// ----------------------------------------------------------------------------
1.41 +
1.42 +class IAudioFlinger : public IInterface
1.43 +{
1.44 +public:
1.45 + DECLARE_META_INTERFACE(AudioFlinger);
1.46 +
1.47 + /* create an audio track and registers it with AudioFlinger.
1.48 + * return null if the track cannot be created.
1.49 + */
1.50 + virtual sp<IAudioTrack> createTrack(
1.51 + pid_t pid,
1.52 + int streamType,
1.53 + uint32_t sampleRate,
1.54 + int format,
1.55 + int channelCount,
1.56 + int frameCount,
1.57 + uint32_t flags,
1.58 + const sp<IMemory>& sharedBuffer,
1.59 + int output,
1.60 + int *sessionId,
1.61 + status_t *status) = 0;
1.62 +
1.63 + virtual sp<IAudioRecord> openRecord(
1.64 + pid_t pid,
1.65 + int input,
1.66 + uint32_t sampleRate,
1.67 + int format,
1.68 + int channelCount,
1.69 + int frameCount,
1.70 + uint32_t flags,
1.71 + int *sessionId,
1.72 + status_t *status) = 0;
1.73 +
1.74 + /* query the audio hardware state. This state never changes,
1.75 + * and therefore can be cached.
1.76 + */
1.77 + virtual uint32_t sampleRate(int output) const = 0;
1.78 + virtual int channelCount(int output) const = 0;
1.79 + virtual int format(int output) const = 0;
1.80 + virtual size_t frameCount(int output) const = 0;
1.81 + virtual uint32_t latency(int output) const = 0;
1.82 +
1.83 + /* set/get the audio hardware state. This will probably be used by
1.84 + * the preference panel, mostly.
1.85 + */
1.86 + virtual status_t setMasterVolume(float value) = 0;
1.87 + virtual status_t setMasterMute(bool muted) = 0;
1.88 +
1.89 + virtual float masterVolume() const = 0;
1.90 + virtual bool masterMute() const = 0;
1.91 +
1.92 + /* set/get stream type state. This will probably be used by
1.93 + * the preference panel, mostly.
1.94 + */
1.95 + virtual status_t setStreamVolume(int stream, float value, int output) = 0;
1.96 + virtual status_t setStreamMute(int stream, bool muted) = 0;
1.97 +
1.98 + virtual float streamVolume(int stream, int output) const = 0;
1.99 + virtual bool streamMute(int stream) const = 0;
1.100 +
1.101 + // set audio mode
1.102 + virtual status_t setMode(int mode) = 0;
1.103 +
1.104 + // mic mute/state
1.105 + virtual status_t setMicMute(bool state) = 0;
1.106 + virtual bool getMicMute() const = 0;
1.107 +
1.108 + // is any track active on this stream?
1.109 + virtual bool isStreamActive(int stream) const = 0;
1.110 +
1.111 + virtual status_t setParameters(int ioHandle, const String8& keyValuePairs) = 0;
1.112 + virtual String8 getParameters(int ioHandle, const String8& keys) = 0;
1.113 +
1.114 + // register a current process for audio output change notifications
1.115 + virtual void registerClient(const sp<IAudioFlingerClient>& client) = 0;
1.116 +
1.117 + // retrieve the audio recording buffer size
1.118 + virtual size_t getInputBufferSize(uint32_t sampleRate, int format, int channelCount) = 0;
1.119 +
1.120 + virtual int openOutput(uint32_t *pDevices,
1.121 + uint32_t *pSamplingRate,
1.122 + uint32_t *pFormat,
1.123 + uint32_t *pChannels,
1.124 + uint32_t *pLatencyMs,
1.125 + uint32_t flags) = 0;
1.126 + virtual int openDuplicateOutput(int output1, int output2) = 0;
1.127 + virtual status_t closeOutput(int output) = 0;
1.128 + virtual status_t suspendOutput(int output) = 0;
1.129 + virtual status_t restoreOutput(int output) = 0;
1.130 +
1.131 + virtual int openInput(uint32_t *pDevices,
1.132 + uint32_t *pSamplingRate,
1.133 + uint32_t *pFormat,
1.134 + uint32_t *pChannels,
1.135 + uint32_t acoustics) = 0;
1.136 + virtual status_t closeInput(int input) = 0;
1.137 +
1.138 + virtual status_t setStreamOutput(uint32_t stream, int output) = 0;
1.139 +
1.140 + virtual status_t setVoiceVolume(float volume) = 0;
1.141 +
1.142 + virtual status_t getRenderPosition(uint32_t *halFrames, uint32_t *dspFrames, int output) = 0;
1.143 +
1.144 + virtual unsigned int getInputFramesLost(int ioHandle) = 0;
1.145 +
1.146 + virtual int newAudioSessionId() = 0;
1.147 +
1.148 + virtual status_t loadEffectLibrary(const char *libPath, int *handle) = 0;
1.149 +
1.150 + virtual status_t unloadEffectLibrary(int handle) = 0;
1.151 +
1.152 + virtual status_t queryNumberEffects(uint32_t *numEffects) = 0;
1.153 +
1.154 + virtual status_t queryEffect(uint32_t index, effect_descriptor_t *pDescriptor) = 0;
1.155 +
1.156 + virtual status_t getEffectDescriptor(effect_uuid_t *pEffectUUID, effect_descriptor_t *pDescriptor) = 0;
1.157 +
1.158 + virtual sp<IEffect> createEffect(pid_t pid,
1.159 + effect_descriptor_t *pDesc,
1.160 + const sp<IEffectClient>& client,
1.161 + int32_t priority,
1.162 + int output,
1.163 + int sessionId,
1.164 + status_t *status,
1.165 + int *id,
1.166 + int *enabled) = 0;
1.167 +
1.168 + virtual status_t moveEffects(int session, int srcOutput, int dstOutput) = 0;
1.169 +};
1.170 +
1.171 +
1.172 +// ----------------------------------------------------------------------------
1.173 +
1.174 +class BnAudioFlinger : public BnInterface<IAudioFlinger>
1.175 +{
1.176 +public:
1.177 + virtual status_t onTransact( uint32_t code,
1.178 + const Parcel& data,
1.179 + Parcel* reply,
1.180 + uint32_t flags = 0);
1.181 +};
1.182 +
1.183 +// ----------------------------------------------------------------------------
1.184 +
1.185 +}; // namespace android
1.186 +
1.187 +#endif // ANDROID_IAUDIOFLINGER_H
