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/*
**
** 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 <binder/Parcel.h>
#include <binder/IMemory.h>
#include <media/IMediaPlayerService.h>
#include <media/IMediaRecorder.h>
#include <media/IOMX.h>
#include <media/IStreamSource.h>
#include <utils/Errors.h> // for status_t
namespace android {
enum {
CREATE = IBinder::FIRST_CALL_TRANSACTION,
DECODE_URL,
DECODE_FD,
CREATE_MEDIA_RECORDER,
CREATE_METADATA_RETRIEVER,
GET_OMX,
ADD_BATTERY_DATA,
PULL_BATTERY_DATA
};
class BpMediaPlayerService: public BpInterface<IMediaPlayerService>
{
public:
BpMediaPlayerService(const sp<IBinder>& impl)
: BpInterface<IMediaPlayerService>(impl)
{
}
virtual sp<IMediaMetadataRetriever> createMetadataRetriever(pid_t pid)
{
Parcel data, reply;
data.writeInterfaceToken(IMediaPlayerService::getInterfaceDescriptor());
data.writeInt32(pid);
remote()->transact(CREATE_METADATA_RETRIEVER, data, &reply);
return interface_cast<IMediaMetadataRetriever>(reply.readStrongBinder());
}
virtual sp<IMediaPlayer> create(
pid_t pid, const sp<IMediaPlayerClient>& client, int audioSessionId) {
Parcel data, reply;
data.writeInterfaceToken(IMediaPlayerService::getInterfaceDescriptor());
data.writeInt32(pid);
data.writeStrongBinder(client->asBinder());
data.writeInt32(audioSessionId);
remote()->transact(CREATE, data, &reply);
return interface_cast<IMediaPlayer>(reply.readStrongBinder());
}
virtual sp<IMediaRecorder> createMediaRecorder(pid_t pid)
{
Parcel data, reply;
data.writeInterfaceToken(IMediaPlayerService::getInterfaceDescriptor());
data.writeInt32(pid);
remote()->transact(CREATE_MEDIA_RECORDER, data, &reply);
return interface_cast<IMediaRecorder>(reply.readStrongBinder());
}
virtual sp<IMemory> decode(const char* url, uint32_t *pSampleRate, int* pNumChannels, audio_format_t* pFormat)
{
Parcel data, reply;
data.writeInterfaceToken(IMediaPlayerService::getInterfaceDescriptor());
data.writeCString(url);
remote()->transact(DECODE_URL, data, &reply);
*pSampleRate = uint32_t(reply.readInt32());
*pNumChannels = reply.readInt32();
*pFormat = (audio_format_t) reply.readInt32();
return interface_cast<IMemory>(reply.readStrongBinder());
}
virtual sp<IMemory> decode(int fd, int64_t offset, int64_t length, uint32_t *pSampleRate, int* pNumChannels, audio_format_t* pFormat)
{
Parcel data, reply;
data.writeInterfaceToken(IMediaPlayerService::getInterfaceDescriptor());
data.writeFileDescriptor(fd);
data.writeInt64(offset);
data.writeInt64(length);
remote()->transact(DECODE_FD, data, &reply);
*pSampleRate = uint32_t(reply.readInt32());
*pNumChannels = reply.readInt32();
*pFormat = (audio_format_t) reply.readInt32();
return interface_cast<IMemory>(reply.readStrongBinder());
}
virtual sp<IOMX> getOMX() {
Parcel data, reply;
data.writeInterfaceToken(IMediaPlayerService::getInterfaceDescriptor());
remote()->transact(GET_OMX, data, &reply);
return interface_cast<IOMX>(reply.readStrongBinder());
}
virtual void addBatteryData(uint32_t params) {
Parcel data, reply;
data.writeInterfaceToken(IMediaPlayerService::getInterfaceDescriptor());
data.writeInt32(params);
remote()->transact(ADD_BATTERY_DATA, data, &reply);
}
virtual status_t pullBatteryData(Parcel* reply) {
Parcel data;
data.writeInterfaceToken(IMediaPlayerService::getInterfaceDescriptor());
return remote()->transact(PULL_BATTERY_DATA, data, reply);
}
};
IMPLEMENT_META_INTERFACE(MediaPlayerService, "android.media.IMediaPlayerService");
// ----------------------------------------------------------------------
status_t BnMediaPlayerService::onTransact(
uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
{
switch (code) {
case CREATE: {
CHECK_INTERFACE(IMediaPlayerService, data, reply);
pid_t pid = data.readInt32();
sp<IMediaPlayerClient> client =
interface_cast<IMediaPlayerClient>(data.readStrongBinder());
int audioSessionId = data.readInt32();
sp<IMediaPlayer> player = create(pid, client, audioSessionId);
reply->writeStrongBinder(player->asBinder());
return NO_ERROR;
} break;
case DECODE_URL: {
CHECK_INTERFACE(IMediaPlayerService, data, reply);
const char* url = data.readCString();
uint32_t sampleRate;
int numChannels;
audio_format_t format;
sp<IMemory> player = decode(url, &sampleRate, &numChannels, &format);
reply->writeInt32(sampleRate);
reply->writeInt32(numChannels);
reply->writeInt32((int32_t) format);
reply->writeStrongBinder(player->asBinder());
return NO_ERROR;
} break;
case DECODE_FD: {
CHECK_INTERFACE(IMediaPlayerService, data, reply);
int fd = dup(data.readFileDescriptor());
int64_t offset = data.readInt64();
int64_t length = data.readInt64();
uint32_t sampleRate;
int numChannels;
audio_format_t format;
sp<IMemory> player = decode(fd, offset, length, &sampleRate, &numChannels, &format);
reply->writeInt32(sampleRate);
reply->writeInt32(numChannels);
reply->writeInt32((int32_t) format);
reply->writeStrongBinder(player->asBinder());
return NO_ERROR;
} break;
case CREATE_MEDIA_RECORDER: {
CHECK_INTERFACE(IMediaPlayerService, data, reply);
pid_t pid = data.readInt32();
sp<IMediaRecorder> recorder = createMediaRecorder(pid);
reply->writeStrongBinder(recorder->asBinder());
return NO_ERROR;
} break;
case CREATE_METADATA_RETRIEVER: {
CHECK_INTERFACE(IMediaPlayerService, data, reply);
pid_t pid = data.readInt32();
sp<IMediaMetadataRetriever> retriever = createMetadataRetriever(pid);
reply->writeStrongBinder(retriever->asBinder());
return NO_ERROR;
} break;
case GET_OMX: {
CHECK_INTERFACE(IMediaPlayerService, data, reply);
sp<IOMX> omx = getOMX();
reply->writeStrongBinder(omx->asBinder());
return NO_ERROR;
} break;
case ADD_BATTERY_DATA: {
CHECK_INTERFACE(IMediaPlayerService, data, reply);
uint32_t params = data.readInt32();
addBatteryData(params);
return NO_ERROR;
} break;
case PULL_BATTERY_DATA: {
CHECK_INTERFACE(IMediaPlayerService, data, reply);
pullBatteryData(reply);
return NO_ERROR;
} break;
default:
return BBinder::onTransact(code, data, reply, flags);
}
}
// ----------------------------------------------------------------------------
}; // namespace android
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