diff options
Diffstat (limited to 'media/libmedia/IEffectClient.cpp')
-rw-r--r-- | media/libmedia/IEffectClient.cpp | 141 |
1 files changed, 141 insertions, 0 deletions
diff --git a/media/libmedia/IEffectClient.cpp b/media/libmedia/IEffectClient.cpp new file mode 100644 index 0000000..e7659ae --- /dev/null +++ b/media/libmedia/IEffectClient.cpp @@ -0,0 +1,141 @@ +/* +** +** Copyright 2010, 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_NDEBUG 0 +#define LOG_TAG "IEffectClient" +#include <utils/Log.h> +#include <stdint.h> +#include <sys/types.h> +#include <media/IEffectClient.h> + +namespace android { + +enum { + CONTROL_STATUS_CHANGED = IBinder::FIRST_CALL_TRANSACTION, + ENABLE_STATUS_CHANGED, + COMMAND_EXECUTED +}; + +class BpEffectClient: public BpInterface<IEffectClient> +{ +public: + BpEffectClient(const sp<IBinder>& impl) + : BpInterface<IEffectClient>(impl) + { + } + + void controlStatusChanged(bool controlGranted) + { + LOGV("controlStatusChanged"); + Parcel data, reply; + data.writeInterfaceToken(IEffectClient::getInterfaceDescriptor()); + data.writeInt32((uint32_t)controlGranted); + remote()->transact(CONTROL_STATUS_CHANGED, data, &reply, IBinder::FLAG_ONEWAY); + } + + void enableStatusChanged(bool enabled) + { + LOGV("enableStatusChanged"); + Parcel data, reply; + data.writeInterfaceToken(IEffectClient::getInterfaceDescriptor()); + data.writeInt32((uint32_t)enabled); + remote()->transact(ENABLE_STATUS_CHANGED, data, &reply, IBinder::FLAG_ONEWAY); + } + + void commandExecuted(int cmdCode, int cmdSize, void *pCmdData, int replySize, void *pReplyData) + { + LOGV("commandExecuted"); + Parcel data, reply; + data.writeInterfaceToken(IEffectClient::getInterfaceDescriptor()); + data.writeInt32(cmdCode); + int size = cmdSize; + if (pCmdData == NULL) { + size = 0; + } + data.writeInt32(size); + if (size) { + data.write(pCmdData, size); + } + size = replySize; + if (pReplyData == NULL) { + size = 0; + } + data.writeInt32(size); + if (size) { + data.write(pReplyData, size); + } + remote()->transact(COMMAND_EXECUTED, data, &reply, IBinder::FLAG_ONEWAY); + } + +}; + +IMPLEMENT_META_INTERFACE(EffectClient, "android.media.IEffectClient"); + +// ---------------------------------------------------------------------- + +status_t BnEffectClient::onTransact( + uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags) +{ + switch(code) { + case CONTROL_STATUS_CHANGED: { + LOGV("CONTROL_STATUS_CHANGED"); + CHECK_INTERFACE(IEffectClient, data, reply); + bool hasControl = (bool)data.readInt32(); + controlStatusChanged(hasControl); + return NO_ERROR; + } break; + case ENABLE_STATUS_CHANGED: { + LOGV("ENABLE_STATUS_CHANGED"); + CHECK_INTERFACE(IEffectClient, data, reply); + bool enabled = (bool)data.readInt32(); + enableStatusChanged(enabled); + return NO_ERROR; + } break; + case COMMAND_EXECUTED: { + LOGV("COMMAND_EXECUTED"); + CHECK_INTERFACE(IEffectClient, data, reply); + int cmdCode = data.readInt32(); + int cmdSize = data.readInt32(); + char *cmd = NULL; + if (cmdSize) { + cmd = (char *)malloc(cmdSize); + data.read(cmd, cmdSize); + } + int replySize = data.readInt32(); + char *resp = NULL; + if (replySize) { + resp = (char *)malloc(replySize); + data.read(resp, replySize); + } + commandExecuted(cmdCode, cmdSize, cmd, replySize, resp); + if (cmd) { + free(cmd); + } + if (resp) { + free(resp); + } + return NO_ERROR; + } break; + default: + return BBinder::onTransact(code, data, reply, flags); + } +} + +// ---------------------------------------------------------------------------- + +}; // namespace android + |