| /* |
| ** |
| ** 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, // obsolete |
| 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, |
| 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, |
| NEW_AUDIO_SESSION_ID, |
| ACQUIRE_AUDIO_SESSION_ID, |
| RELEASE_AUDIO_SESSION_ID, |
| QUERY_NUM_EFFECTS, |
| QUERY_EFFECT, |
| GET_EFFECT_DESCRIPTOR, |
| CREATE_EFFECT, |
| MOVE_EFFECTS, |
| LOAD_HW_MODULE, |
| GET_PRIMARY_OUTPUT_SAMPLING_RATE, |
| GET_PRIMARY_OUTPUT_FRAME_COUNT, |
| }; |
| |
| class BpAudioFlinger : public BpInterface<IAudioFlinger> |
| { |
| public: |
| BpAudioFlinger(const sp<IBinder>& impl) |
| : BpInterface<IAudioFlinger>(impl) |
| { |
| } |
| |
| virtual sp<IAudioTrack> createTrack( |
| pid_t pid, |
| audio_stream_type_t streamType, |
| uint32_t sampleRate, |
| audio_format_t format, |
| audio_channel_mask_t channelMask, |
| int frameCount, |
| track_flags_t flags, |
| const sp<IMemory>& sharedBuffer, |
| audio_io_handle_t output, |
| pid_t tid, |
| int *sessionId, |
| status_t *status) |
| { |
| Parcel data, reply; |
| sp<IAudioTrack> track; |
| data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor()); |
| data.writeInt32(pid); |
| data.writeInt32((int32_t) streamType); |
| data.writeInt32(sampleRate); |
| data.writeInt32(format); |
| data.writeInt32(channelMask); |
| data.writeInt32(frameCount); |
| data.writeInt32((int32_t) flags); |
| data.writeStrongBinder(sharedBuffer->asBinder()); |
| data.writeInt32((int32_t) output); |
| data.writeInt32((int32_t) tid); |
| int lSessionId = 0; |
| if (sessionId != NULL) { |
| lSessionId = *sessionId; |
| } |
| data.writeInt32(lSessionId); |
| status_t lStatus = remote()->transact(CREATE_TRACK, data, &reply); |
| if (lStatus != NO_ERROR) { |
| ALOGE("createTrack error: %s", strerror(-lStatus)); |
| } else { |
| lSessionId = reply.readInt32(); |
| if (sessionId != NULL) { |
| *sessionId = lSessionId; |
| } |
| lStatus = reply.readInt32(); |
| track = interface_cast<IAudioTrack>(reply.readStrongBinder()); |
| } |
| if (status) { |
| *status = lStatus; |
| } |
| return track; |
| } |
| |
| virtual sp<IAudioRecord> openRecord( |
| pid_t pid, |
| audio_io_handle_t input, |
| uint32_t sampleRate, |
| audio_format_t format, |
| audio_channel_mask_t channelMask, |
| int frameCount, |
| track_flags_t flags, |
| pid_t tid, |
| int *sessionId, |
| status_t *status) |
| { |
| Parcel data, reply; |
| sp<IAudioRecord> record; |
| data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor()); |
| data.writeInt32(pid); |
| data.writeInt32((int32_t) input); |
| data.writeInt32(sampleRate); |
| data.writeInt32(format); |
| data.writeInt32(channelMask); |
| data.writeInt32(frameCount); |
| data.writeInt32(flags); |
| data.writeInt32((int32_t) tid); |
| int lSessionId = 0; |
| if (sessionId != NULL) { |
| lSessionId = *sessionId; |
| } |
| data.writeInt32(lSessionId); |
| status_t lStatus = remote()->transact(OPEN_RECORD, data, &reply); |
| if (lStatus != NO_ERROR) { |
| ALOGE("openRecord error: %s", strerror(-lStatus)); |
| } else { |
| lSessionId = reply.readInt32(); |
| if (sessionId != NULL) { |
| *sessionId = lSessionId; |
| } |
| lStatus = reply.readInt32(); |
| record = interface_cast<IAudioRecord>(reply.readStrongBinder()); |
| } |
| if (status) { |
| *status = lStatus; |
| } |
| return record; |
| } |
| |
| virtual uint32_t sampleRate(audio_io_handle_t output) const |
| { |
| Parcel data, reply; |
| data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor()); |
| data.writeInt32((int32_t) output); |
| remote()->transact(SAMPLE_RATE, data, &reply); |
| return reply.readInt32(); |
| } |
| |
| #if 0 |
| virtual int channelCount(audio_io_handle_t output) const |
| { |
| Parcel data, reply; |
| data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor()); |
| data.writeInt32((int32_t) output); |
| remote()->transact(CHANNEL_COUNT, data, &reply); |
| return reply.readInt32(); |
| } |
| #endif |
| |
| virtual audio_format_t format(audio_io_handle_t output) const |
| { |
| Parcel data, reply; |
| data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor()); |
| data.writeInt32((int32_t) output); |
| remote()->transact(FORMAT, data, &reply); |
| return (audio_format_t) reply.readInt32(); |
| } |
| |
| virtual size_t frameCount(audio_io_handle_t output) const |
| { |
| Parcel data, reply; |
| data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor()); |
| data.writeInt32((int32_t) output); |
| remote()->transact(FRAME_COUNT, data, &reply); |
| return reply.readInt32(); |
| } |
| |
| virtual uint32_t latency(audio_io_handle_t output) const |
| { |
| Parcel data, reply; |
| data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor()); |
| data.writeInt32((int32_t) 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(audio_stream_type_t stream, float value, |
| audio_io_handle_t output) |
| { |
| Parcel data, reply; |
| data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor()); |
| data.writeInt32((int32_t) stream); |
| data.writeFloat(value); |
| data.writeInt32((int32_t) output); |
| remote()->transact(SET_STREAM_VOLUME, data, &reply); |
| return reply.readInt32(); |
| } |
| |
| virtual status_t setStreamMute(audio_stream_type_t stream, bool muted) |
| { |
| Parcel data, reply; |
| data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor()); |
| data.writeInt32((int32_t) stream); |
| data.writeInt32(muted); |
| remote()->transact(SET_STREAM_MUTE, data, &reply); |
| return reply.readInt32(); |
| } |
| |
| virtual float streamVolume(audio_stream_type_t stream, audio_io_handle_t output) const |
| { |
| Parcel data, reply; |
| data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor()); |
| data.writeInt32((int32_t) stream); |
| data.writeInt32((int32_t) output); |
| remote()->transact(STREAM_VOLUME, data, &reply); |
| return reply.readFloat(); |
| } |
| |
| virtual bool streamMute(audio_stream_type_t stream) const |
| { |
| Parcel data, reply; |
| data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor()); |
| data.writeInt32((int32_t) stream); |
| remote()->transact(STREAM_MUTE, data, &reply); |
| return reply.readInt32(); |
| } |
| |
| virtual status_t setMode(audio_mode_t 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 status_t setParameters(audio_io_handle_t ioHandle, const String8& keyValuePairs) |
| { |
| Parcel data, reply; |
| data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor()); |
| data.writeInt32((int32_t) ioHandle); |
| data.writeString8(keyValuePairs); |
| remote()->transact(SET_PARAMETERS, data, &reply); |
| return reply.readInt32(); |
| } |
| |
| virtual String8 getParameters(audio_io_handle_t ioHandle, const String8& keys) const |
| { |
| Parcel data, reply; |
| data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor()); |
| data.writeInt32((int32_t) 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, audio_format_t format, |
| audio_channel_mask_t channelMask) const |
| { |
| Parcel data, reply; |
| data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor()); |
| data.writeInt32(sampleRate); |
| data.writeInt32(format); |
| data.writeInt32(channelMask); |
| remote()->transact(GET_INPUTBUFFERSIZE, data, &reply); |
| return reply.readInt32(); |
| } |
| |
| virtual audio_io_handle_t openOutput(audio_module_handle_t module, |
| audio_devices_t *pDevices, |
| uint32_t *pSamplingRate, |
| audio_format_t *pFormat, |
| audio_channel_mask_t *pChannelMask, |
| uint32_t *pLatencyMs, |
| audio_output_flags_t flags) |
| { |
| Parcel data, reply; |
| audio_devices_t devices = pDevices ? *pDevices : (audio_devices_t)0; |
| uint32_t samplingRate = pSamplingRate ? *pSamplingRate : 0; |
| audio_format_t format = pFormat ? *pFormat : AUDIO_FORMAT_DEFAULT; |
| audio_channel_mask_t channelMask = pChannelMask ? *pChannelMask : (audio_channel_mask_t)0; |
| uint32_t latency = pLatencyMs ? *pLatencyMs : 0; |
| |
| data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor()); |
| data.writeInt32(module); |
| data.writeInt32(devices); |
| data.writeInt32(samplingRate); |
| data.writeInt32(format); |
| data.writeInt32(channelMask); |
| data.writeInt32(latency); |
| data.writeInt32((int32_t) flags); |
| remote()->transact(OPEN_OUTPUT, data, &reply); |
| audio_io_handle_t output = (audio_io_handle_t) reply.readInt32(); |
| ALOGV("openOutput() returned output, %d", output); |
| devices = (audio_devices_t)reply.readInt32(); |
| if (pDevices) *pDevices = devices; |
| samplingRate = reply.readInt32(); |
| if (pSamplingRate) *pSamplingRate = samplingRate; |
| format = (audio_format_t) reply.readInt32(); |
| if (pFormat) *pFormat = format; |
| channelMask = (audio_channel_mask_t)reply.readInt32(); |
| if (pChannelMask) *pChannelMask = channelMask; |
| latency = reply.readInt32(); |
| if (pLatencyMs) *pLatencyMs = latency; |
| return output; |
| } |
| |
| virtual audio_io_handle_t openDuplicateOutput(audio_io_handle_t output1, |
| audio_io_handle_t output2) |
| { |
| Parcel data, reply; |
| data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor()); |
| data.writeInt32((int32_t) output1); |
| data.writeInt32((int32_t) output2); |
| remote()->transact(OPEN_DUPLICATE_OUTPUT, data, &reply); |
| return (audio_io_handle_t) reply.readInt32(); |
| } |
| |
| virtual status_t closeOutput(audio_io_handle_t output) |
| { |
| Parcel data, reply; |
| data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor()); |
| data.writeInt32((int32_t) output); |
| remote()->transact(CLOSE_OUTPUT, data, &reply); |
| return reply.readInt32(); |
| } |
| |
| virtual status_t suspendOutput(audio_io_handle_t output) |
| { |
| Parcel data, reply; |
| data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor()); |
| data.writeInt32((int32_t) output); |
| remote()->transact(SUSPEND_OUTPUT, data, &reply); |
| return reply.readInt32(); |
| } |
| |
| virtual status_t restoreOutput(audio_io_handle_t output) |
| { |
| Parcel data, reply; |
| data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor()); |
| data.writeInt32((int32_t) output); |
| remote()->transact(RESTORE_OUTPUT, data, &reply); |
| return reply.readInt32(); |
| } |
| |
| virtual audio_io_handle_t openInput(audio_module_handle_t module, |
| audio_devices_t *pDevices, |
| uint32_t *pSamplingRate, |
| audio_format_t *pFormat, |
| audio_channel_mask_t *pChannelMask) |
| { |
| Parcel data, reply; |
| audio_devices_t devices = pDevices ? *pDevices : (audio_devices_t)0; |
| uint32_t samplingRate = pSamplingRate ? *pSamplingRate : 0; |
| audio_format_t format = pFormat ? *pFormat : AUDIO_FORMAT_DEFAULT; |
| audio_channel_mask_t channelMask = pChannelMask ? *pChannelMask : (audio_channel_mask_t)0; |
| |
| data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor()); |
| data.writeInt32(module); |
| data.writeInt32(devices); |
| data.writeInt32(samplingRate); |
| data.writeInt32(format); |
| data.writeInt32(channelMask); |
| remote()->transact(OPEN_INPUT, data, &reply); |
| audio_io_handle_t input = (audio_io_handle_t) reply.readInt32(); |
| devices = (audio_devices_t)reply.readInt32(); |
| if (pDevices) *pDevices = devices; |
| samplingRate = reply.readInt32(); |
| if (pSamplingRate) *pSamplingRate = samplingRate; |
| format = (audio_format_t) reply.readInt32(); |
| if (pFormat) *pFormat = format; |
| channelMask = (audio_channel_mask_t)reply.readInt32(); |
| if (pChannelMask) *pChannelMask = channelMask; |
| 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(audio_stream_type_t stream, audio_io_handle_t output) |
| { |
| Parcel data, reply; |
| data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor()); |
| data.writeInt32((int32_t) stream); |
| data.writeInt32((int32_t) 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, |
| audio_io_handle_t output) const |
| { |
| Parcel data, reply; |
| data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor()); |
| data.writeInt32((int32_t) 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(audio_io_handle_t ioHandle) const |
| { |
| Parcel data, reply; |
| data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor()); |
| data.writeInt32((int32_t) ioHandle); |
| remote()->transact(GET_INPUT_FRAMES_LOST, data, &reply); |
| return reply.readInt32(); |
| } |
| |
| virtual int newAudioSessionId() |
| { |
| Parcel data, reply; |
| data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor()); |
| status_t status = remote()->transact(NEW_AUDIO_SESSION_ID, data, &reply); |
| int id = 0; |
| if (status == NO_ERROR) { |
| id = reply.readInt32(); |
| } |
| return id; |
| } |
| |
| virtual void acquireAudioSessionId(int audioSession) |
| { |
| Parcel data, reply; |
| data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor()); |
| data.writeInt32(audioSession); |
| remote()->transact(ACQUIRE_AUDIO_SESSION_ID, data, &reply); |
| } |
| |
| virtual void releaseAudioSessionId(int audioSession) |
| { |
| Parcel data, reply; |
| data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor()); |
| data.writeInt32(audioSession); |
| remote()->transact(RELEASE_AUDIO_SESSION_ID, data, &reply); |
| } |
| |
| virtual status_t queryNumberEffects(uint32_t *numEffects) const |
| { |
| Parcel data, reply; |
| data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor()); |
| status_t status = remote()->transact(QUERY_NUM_EFFECTS, data, &reply); |
| if (status != NO_ERROR) { |
| return status; |
| } |
| status = reply.readInt32(); |
| if (status != NO_ERROR) { |
| return status; |
| } |
| if (numEffects != NULL) { |
| *numEffects = (uint32_t)reply.readInt32(); |
| } |
| return NO_ERROR; |
| } |
| |
| virtual status_t queryEffect(uint32_t index, effect_descriptor_t *pDescriptor) const |
| { |
| if (pDescriptor == NULL) { |
| return BAD_VALUE; |
| } |
| Parcel data, reply; |
| data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor()); |
| data.writeInt32(index); |
| status_t status = remote()->transact(QUERY_EFFECT, data, &reply); |
| if (status != NO_ERROR) { |
| return status; |
| } |
| status = reply.readInt32(); |
| if (status != NO_ERROR) { |
| return status; |
| } |
| reply.read(pDescriptor, sizeof(effect_descriptor_t)); |
| return NO_ERROR; |
| } |
| |
| virtual status_t getEffectDescriptor(const effect_uuid_t *pUuid, |
| effect_descriptor_t *pDescriptor) const |
| { |
| if (pUuid == NULL || pDescriptor == NULL) { |
| return BAD_VALUE; |
| } |
| Parcel data, reply; |
| data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor()); |
| data.write(pUuid, sizeof(effect_uuid_t)); |
| status_t status = remote()->transact(GET_EFFECT_DESCRIPTOR, data, &reply); |
| if (status != NO_ERROR) { |
| return status; |
| } |
| status = reply.readInt32(); |
| if (status != NO_ERROR) { |
| return status; |
| } |
| reply.read(pDescriptor, sizeof(effect_descriptor_t)); |
| return NO_ERROR; |
| } |
| |
| 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) |
| { |
| Parcel data, reply; |
| sp<IEffect> effect; |
| |
| if (pDesc == NULL) { |
| return effect; |
| if (status) { |
| *status = BAD_VALUE; |
| } |
| } |
| |
| data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor()); |
| data.writeInt32(pid); |
| data.write(pDesc, sizeof(effect_descriptor_t)); |
| data.writeStrongBinder(client->asBinder()); |
| data.writeInt32(priority); |
| data.writeInt32((int32_t) output); |
| data.writeInt32(sessionId); |
| |
| status_t lStatus = remote()->transact(CREATE_EFFECT, data, &reply); |
| if (lStatus != NO_ERROR) { |
| ALOGE("createEffect error: %s", strerror(-lStatus)); |
| } else { |
| lStatus = reply.readInt32(); |
| int tmp = reply.readInt32(); |
| if (id) { |
| *id = tmp; |
| } |
| tmp = reply.readInt32(); |
| if (enabled != NULL) { |
| *enabled = tmp; |
| } |
| effect = interface_cast<IEffect>(reply.readStrongBinder()); |
| reply.read(pDesc, sizeof(effect_descriptor_t)); |
| } |
| if (status) { |
| *status = lStatus; |
| } |
| |
| return effect; |
| } |
| |
| virtual status_t moveEffects(int session, audio_io_handle_t srcOutput, |
| audio_io_handle_t dstOutput) |
| { |
| Parcel data, reply; |
| data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor()); |
| data.writeInt32(session); |
| data.writeInt32((int32_t) srcOutput); |
| data.writeInt32((int32_t) dstOutput); |
| remote()->transact(MOVE_EFFECTS, data, &reply); |
| return reply.readInt32(); |
| } |
| |
| virtual audio_module_handle_t loadHwModule(const char *name) |
| { |
| Parcel data, reply; |
| data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor()); |
| data.writeCString(name); |
| remote()->transact(LOAD_HW_MODULE, data, &reply); |
| return (audio_module_handle_t) reply.readInt32(); |
| } |
| |
| virtual int32_t getPrimaryOutputSamplingRate() |
| { |
| Parcel data, reply; |
| data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor()); |
| remote()->transact(GET_PRIMARY_OUTPUT_SAMPLING_RATE, data, &reply); |
| return reply.readInt32(); |
| } |
| |
| virtual int32_t getPrimaryOutputFrameCount() |
| { |
| Parcel data, reply; |
| data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor()); |
| remote()->transact(GET_PRIMARY_OUTPUT_FRAME_COUNT, 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(); |
| audio_format_t format = (audio_format_t) data.readInt32(); |
| audio_channel_mask_t channelMask = data.readInt32(); |
| size_t bufferCount = data.readInt32(); |
| track_flags_t flags = (track_flags_t) data.readInt32(); |
| sp<IMemory> buffer = interface_cast<IMemory>(data.readStrongBinder()); |
| audio_io_handle_t output = (audio_io_handle_t) data.readInt32(); |
| pid_t tid = (pid_t) data.readInt32(); |
| int sessionId = data.readInt32(); |
| status_t status; |
| sp<IAudioTrack> track = createTrack(pid, |
| (audio_stream_type_t) streamType, sampleRate, format, |
| channelMask, bufferCount, flags, buffer, output, tid, &sessionId, &status); |
| reply->writeInt32(sessionId); |
| reply->writeInt32(status); |
| reply->writeStrongBinder(track->asBinder()); |
| return NO_ERROR; |
| } break; |
| case OPEN_RECORD: { |
| CHECK_INTERFACE(IAudioFlinger, data, reply); |
| pid_t pid = data.readInt32(); |
| audio_io_handle_t input = (audio_io_handle_t) data.readInt32(); |
| uint32_t sampleRate = data.readInt32(); |
| audio_format_t format = (audio_format_t) data.readInt32(); |
| audio_channel_mask_t channelMask = data.readInt32(); |
| size_t bufferCount = data.readInt32(); |
| track_flags_t flags = (track_flags_t) data.readInt32(); |
| pid_t tid = (pid_t) data.readInt32(); |
| int sessionId = data.readInt32(); |
| status_t status; |
| sp<IAudioRecord> record = openRecord(pid, input, |
| sampleRate, format, channelMask, bufferCount, flags, tid, &sessionId, &status); |
| reply->writeInt32(sessionId); |
| reply->writeInt32(status); |
| reply->writeStrongBinder(record->asBinder()); |
| return NO_ERROR; |
| } break; |
| case SAMPLE_RATE: { |
| CHECK_INTERFACE(IAudioFlinger, data, reply); |
| reply->writeInt32( sampleRate((audio_io_handle_t) data.readInt32()) ); |
| return NO_ERROR; |
| } break; |
| #if 0 |
| case CHANNEL_COUNT: { |
| CHECK_INTERFACE(IAudioFlinger, data, reply); |
| reply->writeInt32( channelCount((audio_io_handle_t) data.readInt32()) ); |
| return NO_ERROR; |
| } break; |
| #endif |
| case FORMAT: { |
| CHECK_INTERFACE(IAudioFlinger, data, reply); |
| reply->writeInt32( format((audio_io_handle_t) data.readInt32()) ); |
| return NO_ERROR; |
| } break; |
| case FRAME_COUNT: { |
| CHECK_INTERFACE(IAudioFlinger, data, reply); |
| reply->writeInt32( frameCount((audio_io_handle_t) data.readInt32()) ); |
| return NO_ERROR; |
| } break; |
| case LATENCY: { |
| CHECK_INTERFACE(IAudioFlinger, data, reply); |
| reply->writeInt32( latency((audio_io_handle_t) 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(); |
| audio_io_handle_t output = (audio_io_handle_t) data.readInt32(); |
| reply->writeInt32( setStreamVolume((audio_stream_type_t) stream, volume, output) ); |
| return NO_ERROR; |
| } break; |
| case SET_STREAM_MUTE: { |
| CHECK_INTERFACE(IAudioFlinger, data, reply); |
| int stream = data.readInt32(); |
| reply->writeInt32( setStreamMute((audio_stream_type_t) 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((audio_stream_type_t) stream, output) ); |
| return NO_ERROR; |
| } break; |
| case STREAM_MUTE: { |
| CHECK_INTERFACE(IAudioFlinger, data, reply); |
| int stream = data.readInt32(); |
| reply->writeInt32( streamMute((audio_stream_type_t) stream) ); |
| return NO_ERROR; |
| } break; |
| case SET_MODE: { |
| CHECK_INTERFACE(IAudioFlinger, data, reply); |
| audio_mode_t mode = (audio_mode_t) 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 SET_PARAMETERS: { |
| CHECK_INTERFACE(IAudioFlinger, data, reply); |
| audio_io_handle_t ioHandle = (audio_io_handle_t) data.readInt32(); |
| String8 keyValuePairs(data.readString8()); |
| reply->writeInt32(setParameters(ioHandle, keyValuePairs)); |
| return NO_ERROR; |
| } break; |
| case GET_PARAMETERS: { |
| CHECK_INTERFACE(IAudioFlinger, data, reply); |
| audio_io_handle_t ioHandle = (audio_io_handle_t) 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(); |
| audio_format_t format = (audio_format_t) data.readInt32(); |
| audio_channel_mask_t channelMask = data.readInt32(); |
| reply->writeInt32( getInputBufferSize(sampleRate, format, channelMask) ); |
| return NO_ERROR; |
| } break; |
| case OPEN_OUTPUT: { |
| CHECK_INTERFACE(IAudioFlinger, data, reply); |
| audio_module_handle_t module = (audio_module_handle_t)data.readInt32(); |
| audio_devices_t devices = (audio_devices_t)data.readInt32(); |
| uint32_t samplingRate = data.readInt32(); |
| audio_format_t format = (audio_format_t) data.readInt32(); |
| audio_channel_mask_t channelMask = (audio_channel_mask_t)data.readInt32(); |
| uint32_t latency = data.readInt32(); |
| audio_output_flags_t flags = (audio_output_flags_t) data.readInt32(); |
| audio_io_handle_t output = openOutput(module, |
| &devices, |
| &samplingRate, |
| &format, |
| &channelMask, |
| &latency, |
| flags); |
| ALOGV("OPEN_OUTPUT output, %p", output); |
| reply->writeInt32((int32_t) output); |
| reply->writeInt32(devices); |
| reply->writeInt32(samplingRate); |
| reply->writeInt32(format); |
| reply->writeInt32(channelMask); |
| reply->writeInt32(latency); |
| return NO_ERROR; |
| } break; |
| case OPEN_DUPLICATE_OUTPUT: { |
| CHECK_INTERFACE(IAudioFlinger, data, reply); |
| audio_io_handle_t output1 = (audio_io_handle_t) data.readInt32(); |
| audio_io_handle_t output2 = (audio_io_handle_t) data.readInt32(); |
| reply->writeInt32((int32_t) openDuplicateOutput(output1, output2)); |
| return NO_ERROR; |
| } break; |
| case CLOSE_OUTPUT: { |
| CHECK_INTERFACE(IAudioFlinger, data, reply); |
| reply->writeInt32(closeOutput((audio_io_handle_t) data.readInt32())); |
| return NO_ERROR; |
| } break; |
| case SUSPEND_OUTPUT: { |
| CHECK_INTERFACE(IAudioFlinger, data, reply); |
| reply->writeInt32(suspendOutput((audio_io_handle_t) data.readInt32())); |
| return NO_ERROR; |
| } break; |
| case RESTORE_OUTPUT: { |
| CHECK_INTERFACE(IAudioFlinger, data, reply); |
| reply->writeInt32(restoreOutput((audio_io_handle_t) data.readInt32())); |
| return NO_ERROR; |
| } break; |
| case OPEN_INPUT: { |
| CHECK_INTERFACE(IAudioFlinger, data, reply); |
| audio_module_handle_t module = (audio_module_handle_t)data.readInt32(); |
| audio_devices_t devices = (audio_devices_t)data.readInt32(); |
| uint32_t samplingRate = data.readInt32(); |
| audio_format_t format = (audio_format_t) data.readInt32(); |
| audio_channel_mask_t channelMask = (audio_channel_mask_t)data.readInt32(); |
| |
| audio_io_handle_t input = openInput(module, |
| &devices, |
| &samplingRate, |
| &format, |
| &channelMask); |
| reply->writeInt32((int32_t) input); |
| reply->writeInt32(devices); |
| reply->writeInt32(samplingRate); |
| reply->writeInt32(format); |
| reply->writeInt32(channelMask); |
| return NO_ERROR; |
| } break; |
| case CLOSE_INPUT: { |
| CHECK_INTERFACE(IAudioFlinger, data, reply); |
| reply->writeInt32(closeInput((audio_io_handle_t) data.readInt32())); |
| return NO_ERROR; |
| } break; |
| case SET_STREAM_OUTPUT: { |
| CHECK_INTERFACE(IAudioFlinger, data, reply); |
| uint32_t stream = data.readInt32(); |
| audio_io_handle_t output = (audio_io_handle_t) data.readInt32(); |
| reply->writeInt32(setStreamOutput((audio_stream_type_t) 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); |
| audio_io_handle_t output = (audio_io_handle_t) 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); |
| audio_io_handle_t ioHandle = (audio_io_handle_t) data.readInt32(); |
| reply->writeInt32(getInputFramesLost(ioHandle)); |
| return NO_ERROR; |
| } break; |
| case NEW_AUDIO_SESSION_ID: { |
| CHECK_INTERFACE(IAudioFlinger, data, reply); |
| reply->writeInt32(newAudioSessionId()); |
| return NO_ERROR; |
| } break; |
| case ACQUIRE_AUDIO_SESSION_ID: { |
| CHECK_INTERFACE(IAudioFlinger, data, reply); |
| int audioSession = data.readInt32(); |
| acquireAudioSessionId(audioSession); |
| return NO_ERROR; |
| } break; |
| case RELEASE_AUDIO_SESSION_ID: { |
| CHECK_INTERFACE(IAudioFlinger, data, reply); |
| int audioSession = data.readInt32(); |
| releaseAudioSessionId(audioSession); |
| return NO_ERROR; |
| } break; |
| case QUERY_NUM_EFFECTS: { |
| CHECK_INTERFACE(IAudioFlinger, data, reply); |
| uint32_t numEffects; |
| status_t status = queryNumberEffects(&numEffects); |
| reply->writeInt32(status); |
| if (status == NO_ERROR) { |
| reply->writeInt32((int32_t)numEffects); |
| } |
| return NO_ERROR; |
| } |
| case QUERY_EFFECT: { |
| CHECK_INTERFACE(IAudioFlinger, data, reply); |
| effect_descriptor_t desc; |
| status_t status = queryEffect(data.readInt32(), &desc); |
| reply->writeInt32(status); |
| if (status == NO_ERROR) { |
| reply->write(&desc, sizeof(effect_descriptor_t)); |
| } |
| return NO_ERROR; |
| } |
| case GET_EFFECT_DESCRIPTOR: { |
| CHECK_INTERFACE(IAudioFlinger, data, reply); |
| effect_uuid_t uuid; |
| data.read(&uuid, sizeof(effect_uuid_t)); |
| effect_descriptor_t desc; |
| status_t status = getEffectDescriptor(&uuid, &desc); |
| reply->writeInt32(status); |
| if (status == NO_ERROR) { |
| reply->write(&desc, sizeof(effect_descriptor_t)); |
| } |
| return NO_ERROR; |
| } |
| case CREATE_EFFECT: { |
| CHECK_INTERFACE(IAudioFlinger, data, reply); |
| pid_t pid = data.readInt32(); |
| effect_descriptor_t desc; |
| data.read(&desc, sizeof(effect_descriptor_t)); |
| sp<IEffectClient> client = interface_cast<IEffectClient>(data.readStrongBinder()); |
| int32_t priority = data.readInt32(); |
| audio_io_handle_t output = (audio_io_handle_t) data.readInt32(); |
| int sessionId = data.readInt32(); |
| status_t status; |
| int id; |
| int enabled; |
| |
| sp<IEffect> effect = createEffect(pid, &desc, client, priority, output, sessionId, &status, &id, &enabled); |
| reply->writeInt32(status); |
| reply->writeInt32(id); |
| reply->writeInt32(enabled); |
| reply->writeStrongBinder(effect->asBinder()); |
| reply->write(&desc, sizeof(effect_descriptor_t)); |
| return NO_ERROR; |
| } break; |
| case MOVE_EFFECTS: { |
| CHECK_INTERFACE(IAudioFlinger, data, reply); |
| int session = data.readInt32(); |
| audio_io_handle_t srcOutput = (audio_io_handle_t) data.readInt32(); |
| audio_io_handle_t dstOutput = (audio_io_handle_t) data.readInt32(); |
| reply->writeInt32(moveEffects(session, srcOutput, dstOutput)); |
| return NO_ERROR; |
| } break; |
| case LOAD_HW_MODULE: { |
| CHECK_INTERFACE(IAudioFlinger, data, reply); |
| reply->writeInt32(loadHwModule(data.readCString())); |
| return NO_ERROR; |
| } break; |
| case GET_PRIMARY_OUTPUT_SAMPLING_RATE: { |
| CHECK_INTERFACE(IAudioFlinger, data, reply); |
| reply->writeInt32(getPrimaryOutputSamplingRate()); |
| return NO_ERROR; |
| } break; |
| case GET_PRIMARY_OUTPUT_FRAME_COUNT: { |
| CHECK_INTERFACE(IAudioFlinger, data, reply); |
| reply->writeInt32(getPrimaryOutputFrameCount()); |
| return NO_ERROR; |
| } break; |
| default: |
| return BBinder::onTransact(code, data, reply, flags); |
| } |
| } |
| |
| // ---------------------------------------------------------------------------- |
| |
| }; // namespace android |
