blob: ce10c8ecf3fdece92651b717234a3bf752378c01 [file] [log] [blame]
/*
**
** 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,
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
};
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,
uint32_t channelMask,
int frameCount,
track_flags_t flags,
const sp<IMemory>& sharedBuffer,
audio_io_handle_t output,
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);
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,
uint32_t channelMask,
int frameCount,
track_flags_t flags,
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);
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();
}
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();
}
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, int channelCount) const
{
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 audio_io_handle_t openOutput(uint32_t *pDevices,
uint32_t *pSamplingRate,
audio_format_t *pFormat,
uint32_t *pChannels,
uint32_t *pLatencyMs,
audio_policy_output_flags_t flags)
{
Parcel data, reply;
uint32_t devices = pDevices ? *pDevices : 0;
uint32_t samplingRate = pSamplingRate ? *pSamplingRate : 0;
audio_format_t format = pFormat ? *pFormat : AUDIO_FORMAT_DEFAULT;
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((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 = reply.readInt32();
if (pDevices) *pDevices = devices;
samplingRate = reply.readInt32();
if (pSamplingRate) *pSamplingRate = samplingRate;
format = (audio_format_t) reply.readInt32();
if (pFormat) *pFormat = format;
channels = reply.readInt32();
if (pChannels) *pChannels = channels;
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(uint32_t *pDevices,
uint32_t *pSamplingRate,
audio_format_t *pFormat,
uint32_t *pChannels,
audio_in_acoustics_t acoustics)
{
Parcel data, reply;
uint32_t devices = pDevices ? *pDevices : 0;
uint32_t samplingRate = pSamplingRate ? *pSamplingRate : 0;
audio_format_t format = pFormat ? *pFormat : AUDIO_FORMAT_DEFAULT;
uint32_t channels = pChannels ? *pChannels : 0;
data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
data.writeInt32(devices);
data.writeInt32(samplingRate);
data.writeInt32(format);
data.writeInt32(channels);
data.writeInt32((int32_t) acoustics);
remote()->transact(OPEN_INPUT, data, &reply);
audio_io_handle_t input = (audio_io_handle_t) reply.readInt32();
devices = reply.readInt32();
if (pDevices) *pDevices = devices;
samplingRate = reply.readInt32();
if (pSamplingRate) *pSamplingRate = samplingRate;
format = (audio_format_t) 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(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();
}
};
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();
int channelCount = 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();
int sessionId = data.readInt32();
status_t status;
sp<IAudioTrack> track = createTrack(pid,
(audio_stream_type_t) 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 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();
int channelCount = data.readInt32();
size_t bufferCount = data.readInt32();
track_flags_t flags = (track_flags_t) 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((audio_io_handle_t) data.readInt32()) );
return NO_ERROR;
} break;
case CHANNEL_COUNT: {
CHECK_INTERFACE(IAudioFlinger, data, reply);
reply->writeInt32( channelCount((audio_io_handle_t) data.readInt32()) );
return NO_ERROR;
} break;
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();
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();
audio_format_t format = (audio_format_t) data.readInt32();
uint32_t channels = data.readInt32();
uint32_t latency = data.readInt32();
audio_policy_output_flags_t flags = (audio_policy_output_flags_t) data.readInt32();
audio_io_handle_t output = openOutput(&devices,
&samplingRate,
&format,
&channels,
&latency,
flags);
ALOGV("OPEN_OUTPUT output, %p", output);
reply->writeInt32((int32_t) 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);
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);
uint32_t devices = data.readInt32();
uint32_t samplingRate = data.readInt32();
audio_format_t format = (audio_format_t) data.readInt32();
uint32_t channels = data.readInt32();
audio_in_acoustics_t acoustics = (audio_in_acoustics_t) data.readInt32();
audio_io_handle_t input = openInput(&devices,
&samplingRate,
&format,
&channels,
acoustics);
reply->writeInt32((int32_t) 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((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;
default:
return BBinder::onTransact(code, data, reply, flags);
}
}
// ----------------------------------------------------------------------------
}; // namespace android