M7350/base/media/libmedia/IAudioFlinger.cpp

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/* //device/extlibs/pv/android/IAudioflinger.cpp
**
** Copyright 2007, The Android Open Source Project
** Copyright (c) 2009-2011, The Linux Foundation. All rights reserved.
**
** 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_SESSION,
OPEN_DUPLICATE_OUTPUT,
CLOSE_OUTPUT,
PAUSE_SESSION,
RESUME_SESSION,
CLOSE_SESSION,
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,
LOAD_EFFECT_LIBRARY,
UNLOAD_EFFECT_LIBRARY,
QUERY_NUM_EFFECTS,
QUERY_EFFECT,
GET_EFFECT_DESCRIPTOR,
CREATE_EFFECT,
MOVE_EFFECTS,
SET_FM_VOLUME,
CREATE_SESSION,
DELETE_SESSION,
APPLY_EFFECTS
};
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,
int *sessionId,
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);
int lSessionId = 0;
if (sessionId != NULL) {
lSessionId = *sessionId;
}
data.writeInt32(lSessionId);
status_t lStatus = remote()->transact(CREATE_TRACK, data, &reply);
if (lStatus != NO_ERROR) {
LOGE("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 void createSession(
pid_t pid,
uint32_t sampleRate,
int channelCount,
int *sessionId,
status_t *status)
{
Parcel data, reply;
data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
data.writeInt32(pid);
data.writeInt32(sampleRate);
data.writeInt32(channelCount);
int lSessionId = 0;
if (sessionId != NULL) {
lSessionId = *sessionId;
}
data.writeInt32(lSessionId);
status_t lStatus = remote()->transact(CREATE_SESSION, data, &reply);
if (lStatus != NO_ERROR) {
LOGE("openRecord error: %s", strerror(-lStatus));
} else {
lSessionId = reply.readInt32();
if (sessionId != NULL) {
*sessionId = lSessionId;
}
lStatus = reply.readInt32();
}
if (status) {
*status = lStatus;
}
}
virtual void deleteSession()
{
Parcel data, reply;
data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
status_t lStatus = remote()->transact(DELETE_SESSION, data, &reply);
if (lStatus != NO_ERROR) {
LOGE("deleteSession error: %s", strerror(-lStatus));
}
}
virtual void applyEffectsOn(int16_t *inBuffer, int16_t *outBuffer, int size)
{
Parcel data, reply;
data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
data.writeInt32((int32_t)inBuffer);
data.writeInt32((int32_t)outBuffer);
data.writeInt32(size);
status_t lStatus = remote()->transact(APPLY_EFFECTS, data, &reply);
if (lStatus != NO_ERROR) {
LOGE("applyEffectsOn error: %s", strerror(-lStatus));
}
}
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)
{
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);
int lSessionId = 0;
if (sessionId != NULL) {
lSessionId = *sessionId;
}
data.writeInt32(lSessionId);
status_t lStatus = remote()->transact(OPEN_RECORD, data, &reply);
if (lStatus != NO_ERROR) {
LOGE("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(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 openSession(uint32_t *pDevices,
uint32_t *pFormat,
uint32_t flags,
int32_t stream,
int32_t sessionId)
{
Parcel data, reply;
uint32_t devices = pDevices ? *pDevices : 0;
uint32_t format = pFormat ? *pFormat : 0;
data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
data.writeInt32(devices);
data.writeInt32(format);
data.writeInt32(flags);
data.writeInt32(stream);
data.writeInt32(sessionId);
remote()->transact(OPEN_SESSION, data, &reply);
int output = reply.readInt32();
LOGV("openOutput() returned output, %p", output);
devices = reply.readInt32();
if (pDevices) *pDevices = devices;
format = reply.readInt32();
if (pFormat) *pFormat = format;
return output;
}
virtual status_t pauseSession(int output, int32_t stream)
{
Parcel data, reply;
data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
data.writeInt32(output);
data.writeInt32(stream);
remote()->transact(PAUSE_SESSION, data, &reply);
return reply.readInt32();
}
virtual status_t resumeSession(int output, int32_t stream)
{
Parcel data, reply;
data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
data.writeInt32(output);
data.writeInt32(stream);
remote()->transact(RESUME_SESSION, data, &reply);
return reply.readInt32();
}
virtual status_t closeSession(int output)
{
Parcel data, reply;
data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
data.writeInt32(output);
remote()->transact(CLOSE_SESSION, data, &reply);
return reply.readInt32();
}
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();
}
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 status_t loadEffectLibrary(const char *libPath, int *handle)
{
if (libPath == NULL || handle == NULL) {
return BAD_VALUE;
}
*handle = 0;
Parcel data, reply;
data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
data.writeCString(libPath);
status_t status = remote()->transact(LOAD_EFFECT_LIBRARY, data, &reply);
if (status == NO_ERROR) {
status = reply.readInt32();
if (status == NO_ERROR) {
*handle = reply.readInt32();
}
}
return status;
}
virtual status_t unloadEffectLibrary(int handle)
{
Parcel data, reply;
data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
data.writeInt32(handle);
status_t status = remote()->transact(UNLOAD_EFFECT_LIBRARY, data, &reply);
if (status == NO_ERROR) {
status = reply.readInt32();
}
return status;
}
virtual status_t queryNumberEffects(uint32_t *numEffects)
{
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) {
*numEffects = (uint32_t)reply.readInt32();
}
return NO_ERROR;
}
virtual status_t queryEffect(uint32_t index, effect_descriptor_t *pDescriptor)
{
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(effect_uuid_t *pUuid, effect_descriptor_t *pDescriptor)
{
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,
int 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(output);
data.writeInt32(sessionId);
status_t lStatus = remote()->transact(CREATE_EFFECT, data, &reply);
if (lStatus != NO_ERROR) {
LOGE("createEffect error: %s", strerror(-lStatus));
} else {
lStatus = reply.readInt32();
int tmp = reply.readInt32();
if (id) {
*id = tmp;
}
tmp = reply.readInt32();
if (enabled) {
*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, int srcOutput, int dstOutput)
{
Parcel data, reply;
data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
data.writeInt32(session);
data.writeInt32(srcOutput);
data.writeInt32(dstOutput);
remote()->transact(MOVE_EFFECTS, data, &reply);
return reply.readInt32();
}
virtual status_t setFmVolume(float volume)
{
Parcel data, reply;
data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
data.writeFloat(volume);
remote()->transact(SET_FM_VOLUME, 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();
int sessionId = data.readInt32();
status_t status;
sp<IAudioTrack> track = createTrack(pid,
streamType, sampleRate, format,
channelCount, bufferCount, flags, buffer, output, &sessionId, &status);
reply->writeInt32(sessionId);
reply->writeInt32(status);
reply->writeStrongBinder(track->asBinder());
return NO_ERROR;
} break;
case CREATE_SESSION: {
CHECK_INTERFACE(IAudioFlinger, data, reply);
pid_t pid = data.readInt32();
uint32_t sampleRate = data.readInt32();
int channelCount = data.readInt32();
int sessionId = data.readInt32();
status_t status;
createSession(pid, sampleRate, channelCount, &sessionId, &status);
reply->writeInt32(sessionId);
reply->writeInt32(status);
return NO_ERROR;
} break;
case DELETE_SESSION: {
CHECK_INTERFACE(IAudioFlinger, data, reply);
deleteSession();
return NO_ERROR;
} break;
case APPLY_EFFECTS: {
CHECK_INTERFACE(IAudioFlinger, data, reply);
int16_t *inBuffer = (int16_t*)data.readInt32();
int16_t *outBuffer = (int16_t*)data.readInt32();
int size = data.readInt32();
applyEffectsOn(inBuffer, outBuffer, size);
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();
int sessionId = data.readInt32();
status_t status;
sp<IAudioRecord> record = openRecord(pid, input,
sampleRate, format, channelCount, bufferCount, flags, &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(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_SESSION: {
CHECK_INTERFACE(IAudioFlinger, data, reply);
uint32_t devices = data.readInt32();
uint32_t format = data.readInt32();
uint32_t flags = data.readInt32();
int32_t stream = data.readInt32();
int32_t sessionId = data.readInt32();
int output = openSession(&devices,
&format,
flags,
stream,
sessionId);
LOGV("OPEN_SESSION output, %p", output);
reply->writeInt32(output);
reply->writeInt32(devices);
reply->writeInt32(format);
return NO_ERROR;
} break;
case PAUSE_SESSION: {
CHECK_INTERFACE(IAudioFlinger, data, reply);
int output = data.readInt32();
int32_t stream = data.readInt32();
reply->writeInt32(pauseSession(output,
stream));
return NO_ERROR;
} break;
case RESUME_SESSION: {
CHECK_INTERFACE(IAudioFlinger, data, reply);
int output = data.readInt32();
int32_t stream = data.readInt32();
reply->writeInt32(resumeSession(output,
stream));
return NO_ERROR;
} break;
case CLOSE_SESSION: {
CHECK_INTERFACE(IAudioFlinger, data, reply);
reply->writeInt32(closeSession(data.readInt32()));
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;
case NEW_AUDIO_SESSION_ID: {
CHECK_INTERFACE(IAudioFlinger, data, reply);
reply->writeInt32(newAudioSessionId());
return NO_ERROR;
} break;
case LOAD_EFFECT_LIBRARY: {
CHECK_INTERFACE(IAudioFlinger, data, reply);
int handle;
status_t status = loadEffectLibrary(data.readCString(), &handle);
reply->writeInt32(status);
if (status == NO_ERROR) {
reply->writeInt32(handle);
}
return NO_ERROR;
}
case UNLOAD_EFFECT_LIBRARY: {
CHECK_INTERFACE(IAudioFlinger, data, reply);
reply->writeInt32(unloadEffectLibrary(data.readInt32()));
return NO_ERROR;
}
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();
int output = 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();
int srcOutput = data.readInt32();
int dstOutput = data.readInt32();
reply->writeInt32(moveEffects(session, srcOutput, dstOutput));
return NO_ERROR;
} break;
case SET_FM_VOLUME: {
CHECK_INTERFACE(IAudioFlinger, data, reply);
float volume = data.readFloat();
reply->writeInt32( setFmVolume(volume) );
return NO_ERROR;
} break;
default:
return BBinder::onTransact(code, data, reply, flags);
}
}
// ----------------------------------------------------------------------------
}; // namespace android