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author | The Android Open Source Project <initial-contribution@android.com> | 2008-10-21 07:00:00 -0700 |
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committer | The Android Open Source Project <initial-contribution@android.com> | 2008-10-21 07:00:00 -0700 |
commit | 2729ea9262ca60d93047e984739887cfc89e82eb (patch) | |
tree | 25962a3f1c5f70586af45c926c037e03c643857f /media/libmedia/IMediaPlayerService.cpp | |
download | frameworks_av-2729ea9262ca60d93047e984739887cfc89e82eb.zip frameworks_av-2729ea9262ca60d93047e984739887cfc89e82eb.tar.gz frameworks_av-2729ea9262ca60d93047e984739887cfc89e82eb.tar.bz2 |
Initial Contribution
Diffstat (limited to 'media/libmedia/IMediaPlayerService.cpp')
-rw-r--r-- | media/libmedia/IMediaPlayerService.cpp | 157 |
1 files changed, 157 insertions, 0 deletions
diff --git a/media/libmedia/IMediaPlayerService.cpp b/media/libmedia/IMediaPlayerService.cpp new file mode 100644 index 0000000..b087100 --- /dev/null +++ b/media/libmedia/IMediaPlayerService.cpp @@ -0,0 +1,157 @@ +/* +** +** 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 <utils/IMemory.h> +#include <media/IMediaPlayerService.h> + +namespace android { + +enum { + CREATE_URL = IBinder::FIRST_CALL_TRANSACTION, + CREATE_FD, + DECODE_URL, + DECODE_FD, +}; + +class BpMediaPlayerService: public BpInterface<IMediaPlayerService> +{ +public: + BpMediaPlayerService(const sp<IBinder>& impl) + : BpInterface<IMediaPlayerService>(impl) + { + } + + virtual sp<IMediaPlayer> create(pid_t pid, const sp<IMediaPlayerClient>& client, const char* url) + { + Parcel data, reply; + data.writeInterfaceToken(IMediaPlayerService::getInterfaceDescriptor()); + data.writeInt32(pid); + data.writeStrongBinder(client->asBinder()); + data.writeCString(url); + remote()->transact(CREATE_URL, data, &reply); + return interface_cast<IMediaPlayer>(reply.readStrongBinder()); + } + + virtual sp<IMediaPlayer> create(pid_t pid, const sp<IMediaPlayerClient>& client, int fd, int64_t offset, int64_t length) + { + Parcel data, reply; + data.writeInterfaceToken(IMediaPlayerService::getInterfaceDescriptor()); + data.writeInt32(pid); + data.writeStrongBinder(client->asBinder()); + data.writeFileDescriptor(fd); + data.writeInt64(offset); + data.writeInt64(length); + remote()->transact(CREATE_FD, data, &reply); + return interface_cast<IMediaPlayer>(reply.readStrongBinder()); + } + + virtual sp<IMemory> decode(const char* url, uint32_t *pSampleRate, int* pNumChannels) + { + Parcel data, reply; + data.writeInterfaceToken(IMediaPlayerService::getInterfaceDescriptor()); + data.writeCString(url); + remote()->transact(DECODE_URL, data, &reply); + *pSampleRate = uint32_t(reply.readInt32()); + *pNumChannels = 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) + { + 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(); + return interface_cast<IMemory>(reply.readStrongBinder()); + } +}; + +IMPLEMENT_META_INTERFACE(MediaPlayerService, "android.hardware.IMediaPlayerService"); + +// ---------------------------------------------------------------------- + +#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 BnMediaPlayerService::onTransact( + uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags) +{ + switch(code) { + case CREATE_URL: { + CHECK_INTERFACE(IMediaPlayerService, data, reply); + pid_t pid = data.readInt32(); + sp<IMediaPlayerClient> client = interface_cast<IMediaPlayerClient>(data.readStrongBinder()); + const char* url = data.readCString(); + sp<IMediaPlayer> player = create(pid, client, url); + reply->writeStrongBinder(player->asBinder()); + return NO_ERROR; + } break; + case CREATE_FD: { + CHECK_INTERFACE(IMediaPlayerService, data, reply); + pid_t pid = data.readInt32(); + sp<IMediaPlayerClient> client = interface_cast<IMediaPlayerClient>(data.readStrongBinder()); + int fd = dup(data.readFileDescriptor()); + int64_t offset = data.readInt64(); + int64_t length = data.readInt64(); + sp<IMediaPlayer> player = create(pid, client, fd, offset, length); + 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; + sp<IMemory> player = decode(url, &sampleRate, &numChannels); + reply->writeInt32(sampleRate); + reply->writeInt32(numChannels); + 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; + sp<IMemory> player = decode(fd, offset, length, &sampleRate, &numChannels); + reply->writeInt32(sampleRate); + reply->writeInt32(numChannels); + reply->writeStrongBinder(player->asBinder()); + return NO_ERROR; + } break; + default: + return BBinder::onTransact(code, data, reply, flags); + } +} + +// ---------------------------------------------------------------------------- + +}; // namespace android + |