blob: f18765a10843c18173fe1bc266bfa073171af152 [file] [log] [blame]
/*
**
** Copyright 2008, 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.
*/
#include <stdint.h>
#include <sys/types.h>
#include <utils/Parcel.h>
#include <media/IMediaPlayer.h>
#include <ui/ISurface.h>
namespace android {
enum {
DISCONNECT = IBinder::FIRST_CALL_TRANSACTION,
SET_VIDEO_SURFACE,
PREPARE_ASYNC,
START,
STOP,
IS_PLAYING,
PAUSE,
SEEK_TO,
GET_CURRENT_POSITION,
GET_DURATION,
RESET,
SET_AUDIO_STREAM_TYPE,
SET_LOOPING,
SET_VOLUME
};
class BpMediaPlayer: public BpInterface<IMediaPlayer>
{
public:
BpMediaPlayer(const sp<IBinder>& impl)
: BpInterface<IMediaPlayer>(impl)
{
}
// disconnect from media player service
void disconnect()
{
Parcel data, reply;
data.writeInterfaceToken(IMediaPlayer::getInterfaceDescriptor());
remote()->transact(DISCONNECT, data, &reply);
}
status_t setVideoSurface(const sp<ISurface>& surface)
{
Parcel data, reply;
data.writeInterfaceToken(IMediaPlayer::getInterfaceDescriptor());
data.writeStrongBinder(surface->asBinder());
remote()->transact(SET_VIDEO_SURFACE, data, &reply);
return reply.readInt32();
}
status_t prepareAsync()
{
Parcel data, reply;
data.writeInterfaceToken(IMediaPlayer::getInterfaceDescriptor());
remote()->transact(PREPARE_ASYNC, data, &reply);
return reply.readInt32();
}
status_t start()
{
Parcel data, reply;
data.writeInterfaceToken(IMediaPlayer::getInterfaceDescriptor());
remote()->transact(START, data, &reply);
return reply.readInt32();
}
status_t stop()
{
Parcel data, reply;
data.writeInterfaceToken(IMediaPlayer::getInterfaceDescriptor());
remote()->transact(STOP, data, &reply);
return reply.readInt32();
}
status_t isPlaying(bool* state)
{
Parcel data, reply;
data.writeInterfaceToken(IMediaPlayer::getInterfaceDescriptor());
remote()->transact(IS_PLAYING, data, &reply);
*state = reply.readInt32();
return reply.readInt32();
}
status_t pause()
{
Parcel data, reply;
data.writeInterfaceToken(IMediaPlayer::getInterfaceDescriptor());
remote()->transact(PAUSE, data, &reply);
return reply.readInt32();
}
status_t seekTo(int msec)
{
Parcel data, reply;
data.writeInterfaceToken(IMediaPlayer::getInterfaceDescriptor());
data.writeInt32(msec);
remote()->transact(SEEK_TO, data, &reply);
return reply.readInt32();
}
status_t getCurrentPosition(int* msec)
{
Parcel data, reply;
data.writeInterfaceToken(IMediaPlayer::getInterfaceDescriptor());
remote()->transact(GET_CURRENT_POSITION, data, &reply);
*msec = reply.readInt32();
return reply.readInt32();
}
status_t getDuration(int* msec)
{
Parcel data, reply;
data.writeInterfaceToken(IMediaPlayer::getInterfaceDescriptor());
remote()->transact(GET_DURATION, data, &reply);
*msec = reply.readInt32();
return reply.readInt32();
}
status_t reset()
{
Parcel data, reply;
data.writeInterfaceToken(IMediaPlayer::getInterfaceDescriptor());
remote()->transact(RESET, data, &reply);
return reply.readInt32();
}
status_t setAudioStreamType(int type)
{
Parcel data, reply;
data.writeInterfaceToken(IMediaPlayer::getInterfaceDescriptor());
data.writeInt32(type);
remote()->transact(SET_AUDIO_STREAM_TYPE, data, &reply);
return reply.readInt32();
}
status_t setLooping(int loop)
{
Parcel data, reply;
data.writeInterfaceToken(IMediaPlayer::getInterfaceDescriptor());
data.writeInt32(loop);
remote()->transact(SET_LOOPING, data, &reply);
return reply.readInt32();
}
status_t setVolume(float leftVolume, float rightVolume)
{
Parcel data, reply;
data.writeInterfaceToken(IMediaPlayer::getInterfaceDescriptor());
data.writeFloat(leftVolume);
data.writeFloat(rightVolume);
remote()->transact(SET_VOLUME, data, &reply);
return reply.readInt32();
}
};
IMPLEMENT_META_INTERFACE(MediaPlayer, "android.hardware.IMediaPlayer");
// ----------------------------------------------------------------------
#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 BnMediaPlayer::onTransact(
uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
{
switch(code) {
case DISCONNECT: {
CHECK_INTERFACE(IMediaPlayer, data, reply);
disconnect();
return NO_ERROR;
} break;
case SET_VIDEO_SURFACE: {
CHECK_INTERFACE(IMediaPlayer, data, reply);
sp<ISurface> surface = interface_cast<ISurface>(data.readStrongBinder());
reply->writeInt32(setVideoSurface(surface));
return NO_ERROR;
} break;
case PREPARE_ASYNC: {
CHECK_INTERFACE(IMediaPlayer, data, reply);
reply->writeInt32(prepareAsync());
return NO_ERROR;
} break;
case START: {
CHECK_INTERFACE(IMediaPlayer, data, reply);
reply->writeInt32(start());
return NO_ERROR;
} break;
case STOP: {
CHECK_INTERFACE(IMediaPlayer, data, reply);
reply->writeInt32(stop());
return NO_ERROR;
} break;
case IS_PLAYING: {
CHECK_INTERFACE(IMediaPlayer, data, reply);
bool state;
status_t ret = isPlaying(&state);
reply->writeInt32(state);
reply->writeInt32(ret);
return NO_ERROR;
} break;
case PAUSE: {
CHECK_INTERFACE(IMediaPlayer, data, reply);
reply->writeInt32(pause());
return NO_ERROR;
} break;
case SEEK_TO: {
CHECK_INTERFACE(IMediaPlayer, data, reply);
reply->writeInt32(seekTo(data.readInt32()));
return NO_ERROR;
} break;
case GET_CURRENT_POSITION: {
CHECK_INTERFACE(IMediaPlayer, data, reply);
int msec;
status_t ret = getCurrentPosition(&msec);
reply->writeInt32(msec);
reply->writeInt32(ret);
return NO_ERROR;
} break;
case GET_DURATION: {
CHECK_INTERFACE(IMediaPlayer, data, reply);
int msec;
status_t ret = getDuration(&msec);
reply->writeInt32(msec);
reply->writeInt32(ret);
return NO_ERROR;
} break;
case RESET: {
CHECK_INTERFACE(IMediaPlayer, data, reply);
reply->writeInt32(reset());
return NO_ERROR;
} break;
case SET_AUDIO_STREAM_TYPE: {
CHECK_INTERFACE(IMediaPlayer, data, reply);
reply->writeInt32(setAudioStreamType(data.readInt32()));
return NO_ERROR;
} break;
case SET_LOOPING: {
CHECK_INTERFACE(IMediaPlayer, data, reply);
reply->writeInt32(setLooping(data.readInt32()));
return NO_ERROR;
} break;
case SET_VOLUME: {
CHECK_INTERFACE(IMediaPlayer, data, reply);
reply->writeInt32(setVolume(data.readFloat(), data.readFloat()));
return NO_ERROR;
} break;
default:
return BBinder::onTransact(code, data, reply, flags);
}
}
// ----------------------------------------------------------------------------
}; // namespace android