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/* //device/extlibs/pv/android/IAudioflinger.cpp
**
** Copyright 2007, The Android Open Source Project
**
** Licensed under the Apache License, Version 2.0 (the "License");
** you may not use this file except in compliance with the License.
** You may obtain a copy of the License at
**
** http://www.apache.org/licenses/LICENSE-2.0
**
** Unless required by applicable law or agreed to in writing, software
** distributed under the License is distributed on an "AS IS" BASIS,
** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
** See the License for the specific language governing permissions and
** limitations under the License.
*/
#define LOG_TAG "IAudioFlinger"
#include <utils/Log.h>
#include <stdint.h>
#include <sys/types.h>
#include <utils/Parcel.h>
#include <media/IAudioFlinger.h>
namespace android {
enum {
CREATE_TRACK = IBinder::FIRST_CALL_TRANSACTION,
OPEN_RECORD,
SAMPLE_RATE,
CHANNEL_COUNT,
FORMAT,
FRAME_COUNT,
SET_MASTER_VOLUME,
SET_MASTER_MUTE,
MASTER_VOLUME,
MASTER_MUTE,
SET_STREAM_VOLUME,
SET_STREAM_MUTE,
STREAM_VOLUME,
STREAM_MUTE,
SET_MODE,
GET_MODE,
SET_ROUTING,
GET_ROUTING,
SET_MIC_MUTE,
GET_MIC_MUTE,
IS_MUSIC_ACTIVE,
SET_PARAMETER,
};
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 bufferCount,
uint32_t flags)
{
Parcel data, reply;
data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
data.writeInt32(pid);
data.writeInt32(streamType);
data.writeInt32(sampleRate);
data.writeInt32(format);
data.writeInt32(channelCount);
data.writeInt32(bufferCount);
data.writeInt32(flags);
status_t status = remote()->transact(CREATE_TRACK, data, &reply);
if ( status != NO_ERROR) {
LOGE("createTrack error: %s", strerror(-status));
}
return interface_cast<IAudioTrack>(reply.readStrongBinder());
}
virtual sp<IAudioRecord> openRecord(
pid_t pid,
int streamType,
uint32_t sampleRate,
int format,
int channelCount,
int bufferCount,
uint32_t flags)
{
Parcel data, reply;
data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
data.writeInt32(pid);
data.writeInt32(streamType);
data.writeInt32(sampleRate);
data.writeInt32(format);
data.writeInt32(channelCount);
data.writeInt32(bufferCount);
data.writeInt32(flags);
remote()->transact(OPEN_RECORD, data, &reply);
return interface_cast<IAudioRecord>(reply.readStrongBinder());
}
virtual uint32_t sampleRate() const
{
Parcel data, reply;
data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
remote()->transact(SAMPLE_RATE, data, &reply);
return reply.readInt32();
}
virtual int channelCount() const
{
Parcel data, reply;
data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
remote()->transact(CHANNEL_COUNT, data, &reply);
return reply.readInt32();
}
virtual int format() const
{
Parcel data, reply;
data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
remote()->transact(FORMAT, data, &reply);
return reply.readInt32();
}
virtual size_t frameCount() const
{
Parcel data, reply;
data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
remote()->transact(FRAME_COUNT, 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)
{
Parcel data, reply;
data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
data.writeInt32(stream);
data.writeFloat(value);
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) const
{
Parcel data, reply;
data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
data.writeInt32(stream);
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 setRouting(int mode, uint32_t routes, uint32_t mask)
{
Parcel data, reply;
data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
data.writeInt32(mode);
data.writeInt32(routes);
data.writeInt32(mask);
remote()->transact(SET_ROUTING, data, &reply);
return reply.readInt32();
}
virtual uint32_t getRouting(int mode) const
{
Parcel data, reply;
data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
data.writeInt32(mode);
remote()->transact(GET_ROUTING, 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 int getMode() const
{
Parcel data, reply;
data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
remote()->transact(GET_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 isMusicActive() const
{
Parcel data, reply;
data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
remote()->transact(IS_MUSIC_ACTIVE, data, &reply);
return reply.readInt32();
}
virtual status_t setParameter(const char* key, const char* value)
{
Parcel data, reply;
data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
data.writeCString(key);
data.writeCString(value);
remote()->transact(SET_PARAMETER, data, &reply);
return reply.readInt32();
}
};
IMPLEMENT_META_INTERFACE(AudioFlinger, "android.media.IAudioFlinger");
// ----------------------------------------------------------------------
#define CHECK_INTERFACE(interface, data, reply) \
do { if (!data.enforceInterface(interface::getInterfaceDescriptor())) { \
LOGW("Call incorrectly routed to " #interface); \
return PERMISSION_DENIED; \
} } while (0)
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<IAudioTrack> track = createTrack(pid,
streamType, sampleRate, format,
channelCount, bufferCount, flags);
reply->writeStrongBinder(track->asBinder());
return NO_ERROR;
} break;
case OPEN_RECORD: {
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<IAudioRecord> record = openRecord(pid, streamType,
sampleRate, format, channelCount, bufferCount, flags);
reply->writeStrongBinder(record->asBinder());
return NO_ERROR;
} break;
case SAMPLE_RATE: {
CHECK_INTERFACE(IAudioFlinger, data, reply);
reply->writeInt32( sampleRate() );
return NO_ERROR;
} break;
case CHANNEL_COUNT: {
CHECK_INTERFACE(IAudioFlinger, data, reply);
reply->writeInt32( channelCount() );
return NO_ERROR;
} break;
case FORMAT: {
CHECK_INTERFACE(IAudioFlinger, data, reply);
reply->writeInt32( format() );
return NO_ERROR;
} break;
case FRAME_COUNT: {
CHECK_INTERFACE(IAudioFlinger, data, reply);
reply->writeInt32( frameCount() );
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();
reply->writeInt32( setStreamVolume(stream, data.readFloat()) );
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();
reply->writeFloat( streamVolume(stream) );
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_ROUTING: {
CHECK_INTERFACE(IAudioFlinger, data, reply);
int mode = data.readInt32();
uint32_t routes = data.readInt32();
uint32_t mask = data.readInt32();
reply->writeInt32( setRouting(mode, routes, mask) );
return NO_ERROR;
} break;
case GET_ROUTING: {
CHECK_INTERFACE(IAudioFlinger, data, reply);
int mode = data.readInt32();
reply->writeInt32( getRouting(mode) );
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 GET_MODE: {
CHECK_INTERFACE(IAudioFlinger, data, reply);
reply->writeInt32( getMode() );
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_MUSIC_ACTIVE: {
CHECK_INTERFACE(IAudioFlinger, data, reply);
reply->writeInt32( isMusicActive() );
return NO_ERROR;
} break;
case SET_PARAMETER: {
CHECK_INTERFACE(IAudioFlinger, data, reply);
const char *key = data.readCString();
const char *value = data.readCString();
reply->writeInt32( setParameter(key, value) );
return NO_ERROR;
} break;
default:
return BBinder::onTransact(code, data, reply, flags);
}
}
// ----------------------------------------------------------------------------
}; // namespace android
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