| /* //device/extlibs/pv/android/IAudioflinger.cpp |
| ** |
| ** Copyright 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. |
| */ |
| |
| #define LOG_TAG "IAudioFlinger" |
| //#define LOG_NDEBUG 0 |
| #include <utils/Log.h> |
| |
| #include <stdint.h> |
| #include <sys/types.h> |
| |
| #include <binder/Parcel.h> |
| |
| #include <media/IAudioFlinger.h> |
| |
| namespace android { |
| |
| enum { |
| CREATE_TRACK = IBinder::FIRST_CALL_TRANSACTION, |
| OPEN_RECORD, |
| SAMPLE_RATE, |
| CHANNEL_COUNT, |
| FORMAT, |
| FRAME_COUNT, |
| LATENCY, |
| SET_MASTER_VOLUME, |
| SET_MASTER_MUTE, |
| MASTER_VOLUME, |
| MASTER_MUTE, |
| SET_STREAM_VOLUME, |
| SET_STREAM_MUTE, |
| STREAM_VOLUME, |
| STREAM_MUTE, |
| SET_MODE, |
| SET_MIC_MUTE, |
| GET_MIC_MUTE, |
| IS_STREAM_ACTIVE, |
| SET_PARAMETERS, |
| GET_PARAMETERS, |
| REGISTER_CLIENT, |
| GET_INPUTBUFFERSIZE, |
| OPEN_OUTPUT, |
| OPEN_DUPLICATE_OUTPUT, |
| CLOSE_OUTPUT, |
| SUSPEND_OUTPUT, |
| RESTORE_OUTPUT, |
| OPEN_INPUT, |
| CLOSE_INPUT, |
| SET_STREAM_OUTPUT, |
| SET_VOICE_VOLUME, |
| GET_RENDER_POSITION, |
| GET_INPUT_FRAMES_LOST |
| }; |
| |
| class BpAudioFlinger : public BpInterface<IAudioFlinger> |
| { |
| public: |
| BpAudioFlinger(const sp<IBinder>& impl) |
| : BpInterface<IAudioFlinger>(impl) |
| { |
| } |
| |
| 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, |
| status_t *status) |
| { |
| Parcel data, reply; |
| sp<IAudioTrack> track; |
| data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor()); |
| data.writeInt32(pid); |
| data.writeInt32(streamType); |
| data.writeInt32(sampleRate); |
| data.writeInt32(format); |
| data.writeInt32(channelCount); |
| data.writeInt32(frameCount); |
| data.writeInt32(flags); |
| data.writeStrongBinder(sharedBuffer->asBinder()); |
| data.writeInt32(output); |
| status_t lStatus = remote()->transact(CREATE_TRACK, data, &reply); |
| if (lStatus != NO_ERROR) { |
| LOGE("createTrack error: %s", strerror(-lStatus)); |
| } else { |
| lStatus = reply.readInt32(); |
| track = interface_cast<IAudioTrack>(reply.readStrongBinder()); |
| } |
| if (status) { |
| *status = lStatus; |
| } |
| return track; |
| } |
| |
| virtual sp<IAudioRecord> openRecord( |
| pid_t pid, |
| int input, |
| uint32_t sampleRate, |
| int format, |
| int channelCount, |
| int frameCount, |
| uint32_t flags, |
| status_t *status) |
| { |
| Parcel data, reply; |
| sp<IAudioRecord> record; |
| data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor()); |
| data.writeInt32(pid); |
| data.writeInt32(input); |
| data.writeInt32(sampleRate); |
| data.writeInt32(format); |
| data.writeInt32(channelCount); |
| data.writeInt32(frameCount); |
| data.writeInt32(flags); |
| status_t lStatus = remote()->transact(OPEN_RECORD, data, &reply); |
| if (lStatus != NO_ERROR) { |
| LOGE("openRecord error: %s", strerror(-lStatus)); |
| } else { |
| lStatus = reply.readInt32(); |
| record = interface_cast<IAudioRecord>(reply.readStrongBinder()); |
| } |
| if (status) { |
| *status = lStatus; |
| } |
| return record; |
| } |
| |
| virtual uint32_t sampleRate(int output) const |
| { |
| Parcel data, reply; |
| data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor()); |
| data.writeInt32(output); |
| remote()->transact(SAMPLE_RATE, data, &reply); |
| return reply.readInt32(); |
| } |
| |
| virtual int channelCount(int output) const |
| { |
| Parcel data, reply; |
| data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor()); |
| data.writeInt32(output); |
| remote()->transact(CHANNEL_COUNT, data, &reply); |
| return reply.readInt32(); |
| } |
| |
| virtual int format(int output) const |
| { |
| Parcel data, reply; |
| data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor()); |
| data.writeInt32(output); |
| remote()->transact(FORMAT, data, &reply); |
| return reply.readInt32(); |
| } |
| |
| virtual size_t frameCount(int output) const |
| { |
| Parcel data, reply; |
| data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor()); |
| data.writeInt32(output); |
| remote()->transact(FRAME_COUNT, data, &reply); |
| return reply.readInt32(); |
| } |
| |
| virtual uint32_t latency(int output) const |
| { |
| Parcel data, reply; |
| data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor()); |
| data.writeInt32(output); |
| remote()->transact(LATENCY, data, &reply); |
| return reply.readInt32(); |
| } |
| |
| virtual status_t setMasterVolume(float value) |
| { |
| Parcel data, reply; |
| data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor()); |
| data.writeFloat(value); |
| remote()->transact(SET_MASTER_VOLUME, data, &reply); |
| return reply.readInt32(); |
| } |
| |
| virtual status_t setMasterMute(bool muted) |
| { |
| Parcel data, reply; |
| data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor()); |
| data.writeInt32(muted); |
| remote()->transact(SET_MASTER_MUTE, data, &reply); |
| return reply.readInt32(); |
| } |
| |
| virtual float masterVolume() const |
| { |
| Parcel data, reply; |
| data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor()); |
| remote()->transact(MASTER_VOLUME, data, &reply); |
| return reply.readFloat(); |
| } |
| |
| virtual bool masterMute() const |
| { |
| Parcel data, reply; |
| data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor()); |
| remote()->transact(MASTER_MUTE, data, &reply); |
| return reply.readInt32(); |
| } |
| |
| virtual status_t setStreamVolume(int stream, float value, int output) |
| { |
| Parcel data, reply; |
| data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor()); |
| data.writeInt32(stream); |
| data.writeFloat(value); |
| data.writeInt32(output); |
| remote()->transact(SET_STREAM_VOLUME, data, &reply); |
| return reply.readInt32(); |
| } |
| |
| virtual status_t setStreamMute(int stream, bool muted) |
| { |
| Parcel data, reply; |
| data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor()); |
| data.writeInt32(stream); |
| data.writeInt32(muted); |
| remote()->transact(SET_STREAM_MUTE, data, &reply); |
| return reply.readInt32(); |
| } |
| |
| virtual float streamVolume(int stream, int output) const |
| { |
| Parcel data, reply; |
| data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor()); |
| data.writeInt32(stream); |
| data.writeInt32(output); |
| remote()->transact(STREAM_VOLUME, data, &reply); |
| return reply.readFloat(); |
| } |
| |
| virtual bool streamMute(int stream) const |
| { |
| Parcel data, reply; |
| data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor()); |
| data.writeInt32(stream); |
| remote()->transact(STREAM_MUTE, data, &reply); |
| return reply.readInt32(); |
| } |
| |
| virtual status_t setMode(int mode) |
| { |
| Parcel data, reply; |
| data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor()); |
| data.writeInt32(mode); |
| remote()->transact(SET_MODE, data, &reply); |
| return reply.readInt32(); |
| } |
| |
| virtual status_t setMicMute(bool state) |
| { |
| Parcel data, reply; |
| data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor()); |
| data.writeInt32(state); |
| remote()->transact(SET_MIC_MUTE, data, &reply); |
| return reply.readInt32(); |
| } |
| |
| virtual bool getMicMute() const |
| { |
| Parcel data, reply; |
| data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor()); |
| remote()->transact(GET_MIC_MUTE, data, &reply); |
| return reply.readInt32(); |
| } |
| |
| virtual bool isStreamActive(int stream) const |
| { |
| Parcel data, reply; |
| data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor()); |
| data.writeInt32(stream); |
| remote()->transact(IS_STREAM_ACTIVE, data, &reply); |
| return reply.readInt32(); |
| } |
| |
| virtual status_t setParameters(int ioHandle, const String8& keyValuePairs) |
| { |
| Parcel data, reply; |
| data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor()); |
| data.writeInt32(ioHandle); |
| data.writeString8(keyValuePairs); |
| remote()->transact(SET_PARAMETERS, data, &reply); |
| return reply.readInt32(); |
| } |
| |
| virtual String8 getParameters(int ioHandle, const String8& keys) |
| { |
| Parcel data, reply; |
| data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor()); |
| data.writeInt32(ioHandle); |
| data.writeString8(keys); |
| remote()->transact(GET_PARAMETERS, data, &reply); |
| return reply.readString8(); |
| } |
| |
| virtual void registerClient(const sp<IAudioFlingerClient>& client) |
| { |
| Parcel data, reply; |
| data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor()); |
| data.writeStrongBinder(client->asBinder()); |
| remote()->transact(REGISTER_CLIENT, data, &reply); |
| } |
| |
| virtual size_t getInputBufferSize(uint32_t sampleRate, int format, int channelCount) |
| { |
| Parcel data, reply; |
| data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor()); |
| data.writeInt32(sampleRate); |
| data.writeInt32(format); |
| data.writeInt32(channelCount); |
| remote()->transact(GET_INPUTBUFFERSIZE, data, &reply); |
| return reply.readInt32(); |
| } |
| |
| virtual int openOutput(uint32_t *pDevices, |
| uint32_t *pSamplingRate, |
| uint32_t *pFormat, |
| uint32_t *pChannels, |
| uint32_t *pLatencyMs, |
| uint32_t flags) |
| { |
| Parcel data, reply; |
| uint32_t devices = pDevices ? *pDevices : 0; |
| uint32_t samplingRate = pSamplingRate ? *pSamplingRate : 0; |
| uint32_t format = pFormat ? *pFormat : 0; |
| uint32_t channels = pChannels ? *pChannels : 0; |
| uint32_t latency = pLatencyMs ? *pLatencyMs : 0; |
| |
| data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor()); |
| data.writeInt32(devices); |
| data.writeInt32(samplingRate); |
| data.writeInt32(format); |
| data.writeInt32(channels); |
| data.writeInt32(latency); |
| data.writeInt32(flags); |
| remote()->transact(OPEN_OUTPUT, data, &reply); |
| int output = reply.readInt32(); |
| LOGV("openOutput() returned output, %p", output); |
| devices = reply.readInt32(); |
| if (pDevices) *pDevices = devices; |
| samplingRate = reply.readInt32(); |
| if (pSamplingRate) *pSamplingRate = samplingRate; |
| format = reply.readInt32(); |
| if (pFormat) *pFormat = format; |
| channels = reply.readInt32(); |
| if (pChannels) *pChannels = channels; |
| latency = reply.readInt32(); |
| if (pLatencyMs) *pLatencyMs = latency; |
| return output; |
| } |
| |
| virtual int openDuplicateOutput(int output1, int output2) |
| { |
| Parcel data, reply; |
| data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor()); |
| data.writeInt32(output1); |
| data.writeInt32(output2); |
| remote()->transact(OPEN_DUPLICATE_OUTPUT, data, &reply); |
| return reply.readInt32(); |
| } |
| |
| virtual status_t closeOutput(int output) |
| { |
| Parcel data, reply; |
| data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor()); |
| data.writeInt32(output); |
| remote()->transact(CLOSE_OUTPUT, data, &reply); |
| return reply.readInt32(); |
| } |
| |
| virtual status_t suspendOutput(int output) |
| { |
| Parcel data, reply; |
| data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor()); |
| data.writeInt32(output); |
| remote()->transact(SUSPEND_OUTPUT, data, &reply); |
| return reply.readInt32(); |
| } |
| |
| virtual status_t restoreOutput(int output) |
| { |
| Parcel data, reply; |
| data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor()); |
| data.writeInt32(output); |
| remote()->transact(RESTORE_OUTPUT, data, &reply); |
| return reply.readInt32(); |
| } |
| |
| virtual int openInput(uint32_t *pDevices, |
| uint32_t *pSamplingRate, |
| uint32_t *pFormat, |
| uint32_t *pChannels, |
| uint32_t acoustics) |
| { |
| Parcel data, reply; |
| uint32_t devices = pDevices ? *pDevices : 0; |
| uint32_t samplingRate = pSamplingRate ? *pSamplingRate : 0; |
| uint32_t format = pFormat ? *pFormat : 0; |
| uint32_t channels = pChannels ? *pChannels : 0; |
| |
| data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor()); |
| data.writeInt32(devices); |
| data.writeInt32(samplingRate); |
| data.writeInt32(format); |
| data.writeInt32(channels); |
| data.writeInt32(acoustics); |
| remote()->transact(OPEN_INPUT, data, &reply); |
| int input = reply.readInt32(); |
| devices = reply.readInt32(); |
| if (pDevices) *pDevices = devices; |
| samplingRate = reply.readInt32(); |
| if (pSamplingRate) *pSamplingRate = samplingRate; |
| format = reply.readInt32(); |
| if (pFormat) *pFormat = format; |
| channels = reply.readInt32(); |
| if (pChannels) *pChannels = channels; |
| return input; |
| } |
| |
| virtual status_t closeInput(int input) |
| { |
| Parcel data, reply; |
| data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor()); |
| data.writeInt32(input); |
| remote()->transact(CLOSE_INPUT, data, &reply); |
| return reply.readInt32(); |
| } |
| |
| virtual status_t setStreamOutput(uint32_t stream, int output) |
| { |
| Parcel data, reply; |
| data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor()); |
| data.writeInt32(stream); |
| data.writeInt32(output); |
| remote()->transact(SET_STREAM_OUTPUT, data, &reply); |
| return reply.readInt32(); |
| } |
| |
| virtual status_t setVoiceVolume(float volume) |
| { |
| Parcel data, reply; |
| data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor()); |
| data.writeFloat(volume); |
| remote()->transact(SET_VOICE_VOLUME, data, &reply); |
| return reply.readInt32(); |
| } |
| |
| virtual status_t getRenderPosition(uint32_t *halFrames, uint32_t *dspFrames, int output) |
| { |
| Parcel data, reply; |
| data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor()); |
| data.writeInt32(output); |
| remote()->transact(GET_RENDER_POSITION, data, &reply); |
| status_t status = reply.readInt32(); |
| if (status == NO_ERROR) { |
| uint32_t tmp = reply.readInt32(); |
| if (halFrames) { |
| *halFrames = tmp; |
| } |
| tmp = reply.readInt32(); |
| if (dspFrames) { |
| *dspFrames = tmp; |
| } |
| } |
| return status; |
| } |
| |
| virtual unsigned int getInputFramesLost(int ioHandle) |
| { |
| Parcel data, reply; |
| data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor()); |
| data.writeInt32(ioHandle); |
| remote()->transact(GET_INPUT_FRAMES_LOST, data, &reply); |
| return reply.readInt32(); |
| } |
| }; |
| |
| IMPLEMENT_META_INTERFACE(AudioFlinger, "android.media.IAudioFlinger"); |
| |
| // ---------------------------------------------------------------------- |
| |
| status_t BnAudioFlinger::onTransact( |
| uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags) |
| { |
| switch(code) { |
| case CREATE_TRACK: { |
| CHECK_INTERFACE(IAudioFlinger, data, reply); |
| pid_t pid = data.readInt32(); |
| int streamType = data.readInt32(); |
| uint32_t sampleRate = data.readInt32(); |
| int format = data.readInt32(); |
| int channelCount = data.readInt32(); |
| size_t bufferCount = data.readInt32(); |
| uint32_t flags = data.readInt32(); |
| sp<IMemory> buffer = interface_cast<IMemory>(data.readStrongBinder()); |
| int output = data.readInt32(); |
| status_t status; |
| sp<IAudioTrack> track = createTrack(pid, |
| streamType, sampleRate, format, |
| channelCount, bufferCount, flags, buffer, output, &status); |
| reply->writeInt32(status); |
| reply->writeStrongBinder(track->asBinder()); |
| return NO_ERROR; |
| } break; |
| case OPEN_RECORD: { |
| CHECK_INTERFACE(IAudioFlinger, data, reply); |
| pid_t pid = data.readInt32(); |
| int input = data.readInt32(); |
| uint32_t sampleRate = data.readInt32(); |
| int format = data.readInt32(); |
| int channelCount = data.readInt32(); |
| size_t bufferCount = data.readInt32(); |
| uint32_t flags = data.readInt32(); |
| status_t status; |
| sp<IAudioRecord> record = openRecord(pid, input, |
| sampleRate, format, channelCount, bufferCount, flags, &status); |
| reply->writeInt32(status); |
| reply->writeStrongBinder(record->asBinder()); |
| return NO_ERROR; |
| } break; |
| case SAMPLE_RATE: { |
| CHECK_INTERFACE(IAudioFlinger, data, reply); |
| reply->writeInt32( sampleRate(data.readInt32()) ); |
| return NO_ERROR; |
| } break; |
| case CHANNEL_COUNT: { |
| CHECK_INTERFACE(IAudioFlinger, data, reply); |
| reply->writeInt32( channelCount(data.readInt32()) ); |
| return NO_ERROR; |
| } break; |
| case FORMAT: { |
| CHECK_INTERFACE(IAudioFlinger, data, reply); |
| reply->writeInt32( format(data.readInt32()) ); |
| return NO_ERROR; |
| } break; |
| case FRAME_COUNT: { |
| CHECK_INTERFACE(IAudioFlinger, data, reply); |
| reply->writeInt32( frameCount(data.readInt32()) ); |
| return NO_ERROR; |
| } break; |
| case LATENCY: { |
| CHECK_INTERFACE(IAudioFlinger, data, reply); |
| reply->writeInt32( latency(data.readInt32()) ); |
| return NO_ERROR; |
| } break; |
| case SET_MASTER_VOLUME: { |
| CHECK_INTERFACE(IAudioFlinger, data, reply); |
| reply->writeInt32( setMasterVolume(data.readFloat()) ); |
| return NO_ERROR; |
| } break; |
| case SET_MASTER_MUTE: { |
| CHECK_INTERFACE(IAudioFlinger, data, reply); |
| reply->writeInt32( setMasterMute(data.readInt32()) ); |
| return NO_ERROR; |
| } break; |
| case MASTER_VOLUME: { |
| CHECK_INTERFACE(IAudioFlinger, data, reply); |
| reply->writeFloat( masterVolume() ); |
| return NO_ERROR; |
| } break; |
| case MASTER_MUTE: { |
| CHECK_INTERFACE(IAudioFlinger, data, reply); |
| reply->writeInt32( masterMute() ); |
| return NO_ERROR; |
| } break; |
| case SET_STREAM_VOLUME: { |
| CHECK_INTERFACE(IAudioFlinger, data, reply); |
| int stream = data.readInt32(); |
| float volume = data.readFloat(); |
| int output = data.readInt32(); |
| reply->writeInt32( setStreamVolume(stream, volume, output) ); |
| return NO_ERROR; |
| } break; |
| case SET_STREAM_MUTE: { |
| CHECK_INTERFACE(IAudioFlinger, data, reply); |
| int stream = data.readInt32(); |
| reply->writeInt32( setStreamMute(stream, data.readInt32()) ); |
| return NO_ERROR; |
| } break; |
| case STREAM_VOLUME: { |
| CHECK_INTERFACE(IAudioFlinger, data, reply); |
| int stream = data.readInt32(); |
| int output = data.readInt32(); |
| reply->writeFloat( streamVolume(stream, output) ); |
| return NO_ERROR; |
| } break; |
| case STREAM_MUTE: { |
| CHECK_INTERFACE(IAudioFlinger, data, reply); |
| int stream = data.readInt32(); |
| reply->writeInt32( streamMute(stream) ); |
| return NO_ERROR; |
| } break; |
| case SET_MODE: { |
| CHECK_INTERFACE(IAudioFlinger, data, reply); |
| int mode = data.readInt32(); |
| reply->writeInt32( setMode(mode) ); |
| return NO_ERROR; |
| } break; |
| case SET_MIC_MUTE: { |
| CHECK_INTERFACE(IAudioFlinger, data, reply); |
| int state = data.readInt32(); |
| reply->writeInt32( setMicMute(state) ); |
| return NO_ERROR; |
| } break; |
| case GET_MIC_MUTE: { |
| CHECK_INTERFACE(IAudioFlinger, data, reply); |
| reply->writeInt32( getMicMute() ); |
| return NO_ERROR; |
| } break; |
| case IS_STREAM_ACTIVE: { |
| CHECK_INTERFACE(IAudioFlinger, data, reply); |
| int stream = data.readInt32(); |
| reply->writeInt32( isStreamActive(stream) ); |
| return NO_ERROR; |
| } break; |
| case SET_PARAMETERS: { |
| CHECK_INTERFACE(IAudioFlinger, data, reply); |
| int ioHandle = data.readInt32(); |
| String8 keyValuePairs(data.readString8()); |
| reply->writeInt32(setParameters(ioHandle, keyValuePairs)); |
| return NO_ERROR; |
| } break; |
| case GET_PARAMETERS: { |
| CHECK_INTERFACE(IAudioFlinger, data, reply); |
| int ioHandle = data.readInt32(); |
| String8 keys(data.readString8()); |
| reply->writeString8(getParameters(ioHandle, keys)); |
| return NO_ERROR; |
| } break; |
| |
| case REGISTER_CLIENT: { |
| CHECK_INTERFACE(IAudioFlinger, data, reply); |
| sp<IAudioFlingerClient> client = interface_cast<IAudioFlingerClient>(data.readStrongBinder()); |
| registerClient(client); |
| return NO_ERROR; |
| } break; |
| case GET_INPUTBUFFERSIZE: { |
| CHECK_INTERFACE(IAudioFlinger, data, reply); |
| uint32_t sampleRate = data.readInt32(); |
| int format = data.readInt32(); |
| int channelCount = data.readInt32(); |
| reply->writeInt32( getInputBufferSize(sampleRate, format, channelCount) ); |
| return NO_ERROR; |
| } break; |
| case OPEN_OUTPUT: { |
| CHECK_INTERFACE(IAudioFlinger, data, reply); |
| uint32_t devices = data.readInt32(); |
| uint32_t samplingRate = data.readInt32(); |
| uint32_t format = data.readInt32(); |
| uint32_t channels = data.readInt32(); |
| uint32_t latency = data.readInt32(); |
| uint32_t flags = data.readInt32(); |
| int output = openOutput(&devices, |
| &samplingRate, |
| &format, |
| &channels, |
| &latency, |
| flags); |
| LOGV("OPEN_OUTPUT output, %p", output); |
| reply->writeInt32(output); |
| reply->writeInt32(devices); |
| reply->writeInt32(samplingRate); |
| reply->writeInt32(format); |
| reply->writeInt32(channels); |
| reply->writeInt32(latency); |
| return NO_ERROR; |
| } break; |
| case OPEN_DUPLICATE_OUTPUT: { |
| CHECK_INTERFACE(IAudioFlinger, data, reply); |
| int output1 = data.readInt32(); |
| int output2 = data.readInt32(); |
| reply->writeInt32(openDuplicateOutput(output1, output2)); |
| return NO_ERROR; |
| } break; |
| case CLOSE_OUTPUT: { |
| CHECK_INTERFACE(IAudioFlinger, data, reply); |
| reply->writeInt32(closeOutput(data.readInt32())); |
| return NO_ERROR; |
| } break; |
| case SUSPEND_OUTPUT: { |
| CHECK_INTERFACE(IAudioFlinger, data, reply); |
| reply->writeInt32(suspendOutput(data.readInt32())); |
| return NO_ERROR; |
| } break; |
| case RESTORE_OUTPUT: { |
| CHECK_INTERFACE(IAudioFlinger, data, reply); |
| reply->writeInt32(restoreOutput(data.readInt32())); |
| return NO_ERROR; |
| } break; |
| case OPEN_INPUT: { |
| CHECK_INTERFACE(IAudioFlinger, data, reply); |
| uint32_t devices = data.readInt32(); |
| uint32_t samplingRate = data.readInt32(); |
| uint32_t format = data.readInt32(); |
| uint32_t channels = data.readInt32(); |
| uint32_t acoutics = data.readInt32(); |
| |
| int input = openInput(&devices, |
| &samplingRate, |
| &format, |
| &channels, |
| acoutics); |
| reply->writeInt32(input); |
| reply->writeInt32(devices); |
| reply->writeInt32(samplingRate); |
| reply->writeInt32(format); |
| reply->writeInt32(channels); |
| return NO_ERROR; |
| } break; |
| case CLOSE_INPUT: { |
| CHECK_INTERFACE(IAudioFlinger, data, reply); |
| reply->writeInt32(closeInput(data.readInt32())); |
| return NO_ERROR; |
| } break; |
| case SET_STREAM_OUTPUT: { |
| CHECK_INTERFACE(IAudioFlinger, data, reply); |
| uint32_t stream = data.readInt32(); |
| int output = data.readInt32(); |
| reply->writeInt32(setStreamOutput(stream, output)); |
| return NO_ERROR; |
| } break; |
| case SET_VOICE_VOLUME: { |
| CHECK_INTERFACE(IAudioFlinger, data, reply); |
| float volume = data.readFloat(); |
| reply->writeInt32( setVoiceVolume(volume) ); |
| return NO_ERROR; |
| } break; |
| case GET_RENDER_POSITION: { |
| CHECK_INTERFACE(IAudioFlinger, data, reply); |
| int output = data.readInt32(); |
| uint32_t halFrames; |
| uint32_t dspFrames; |
| status_t status = getRenderPosition(&halFrames, &dspFrames, output); |
| reply->writeInt32(status); |
| if (status == NO_ERROR) { |
| reply->writeInt32(halFrames); |
| reply->writeInt32(dspFrames); |
| } |
| return NO_ERROR; |
| } |
| case GET_INPUT_FRAMES_LOST: { |
| CHECK_INTERFACE(IAudioFlinger, data, reply); |
| int ioHandle = data.readInt32(); |
| reply->writeInt32(getInputFramesLost(ioHandle)); |
| return NO_ERROR; |
| } break; |
| |
| default: |
| return BBinder::onTransact(code, data, reply, flags); |
| } |
| } |
| |
| // ---------------------------------------------------------------------------- |
| |
| }; // namespace android |
