From 89fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5 Mon Sep 17 00:00:00 2001 From: The Android Open Source Project Date: Tue, 3 Mar 2009 19:31:44 -0800 Subject: auto import from //depot/cupcake/@135843 --- media/libmedia/IMediaPlayerService.cpp | 198 +++++++++++++++++++++++++++++++++ 1 file changed, 198 insertions(+) create mode 100644 media/libmedia/IMediaPlayerService.cpp (limited to 'media/libmedia/IMediaPlayerService.cpp') diff --git a/media/libmedia/IMediaPlayerService.cpp b/media/libmedia/IMediaPlayerService.cpp new file mode 100644 index 0000000..370e3fb --- /dev/null +++ b/media/libmedia/IMediaPlayerService.cpp @@ -0,0 +1,198 @@ +/* +** +** 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 +#include +#include + +#include +#include +#include + +namespace android { + +enum { + CREATE_URL = IBinder::FIRST_CALL_TRANSACTION, + CREATE_FD, + DECODE_URL, + DECODE_FD, + CREATE_MEDIA_RECORDER, + CREATE_METADATA_RETRIEVER, +}; + +class BpMediaPlayerService: public BpInterface +{ +public: + BpMediaPlayerService(const sp& impl) + : BpInterface(impl) + { + } + + virtual sp createMetadataRetriever(pid_t pid) + { + Parcel data, reply; + data.writeInterfaceToken(IMediaPlayerService::getInterfaceDescriptor()); + data.writeInt32(pid); + remote()->transact(CREATE_METADATA_RETRIEVER, data, &reply); + return interface_cast(reply.readStrongBinder()); + } + + virtual sp create(pid_t pid, const sp& 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(reply.readStrongBinder()); + } + + virtual sp createMediaRecorder(pid_t pid) + { + Parcel data, reply; + data.writeInterfaceToken(IMediaPlayerService::getInterfaceDescriptor()); + data.writeInt32(pid); + remote()->transact(CREATE_MEDIA_RECORDER, data, &reply); + return interface_cast(reply.readStrongBinder()); + } + + virtual sp create(pid_t pid, const sp& 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(reply.readStrongBinder()); + } + + virtual sp decode(const char* url, uint32_t *pSampleRate, int* pNumChannels, int* 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 = reply.readInt32(); + return interface_cast(reply.readStrongBinder()); + } + + virtual sp decode(int fd, int64_t offset, int64_t length, uint32_t *pSampleRate, int* pNumChannels, int* 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 = reply.readInt32(); + return interface_cast(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 client = interface_cast(data.readStrongBinder()); + const char* url = data.readCString(); + sp 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 client = interface_cast(data.readStrongBinder()); + int fd = dup(data.readFileDescriptor()); + int64_t offset = data.readInt64(); + int64_t length = data.readInt64(); + sp 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; + int format; + sp player = decode(url, &sampleRate, &numChannels, &format); + reply->writeInt32(sampleRate); + reply->writeInt32(numChannels); + reply->writeInt32(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; + int format; + sp player = decode(fd, offset, length, &sampleRate, &numChannels, &format); + reply->writeInt32(sampleRate); + reply->writeInt32(numChannels); + reply->writeInt32(format); + reply->writeStrongBinder(player->asBinder()); + return NO_ERROR; + } break; + case CREATE_MEDIA_RECORDER: { + CHECK_INTERFACE(IMediaPlayerService, data, reply); + pid_t pid = data.readInt32(); + sp 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 retriever = createMetadataRetriever(pid); + reply->writeStrongBinder(retriever->asBinder()); + return NO_ERROR; + } break; + default: + return BBinder::onTransact(code, data, reply, flags); + } +} + +// ---------------------------------------------------------------------------- + +}; // namespace android + -- cgit v1.1