/**
 * Check a parcel containing metadata is well formed. The header
 * is checked as well as the individual records format. However, the
 * data inside the record is not checked because we do lazy access
 * (we check/unmarshall only data the user asks for.)
 *
 * Format of a metadata parcel:
 <pre>
                     1                   2                   3
  0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
  |                     metadata total size                       |
  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
  |     'M'       |     'E'       |     'T'       |     'A'       |
  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
  |                                                               |
  |                .... metadata records ....                     |
  |                                                               |
  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 </pre>
 *
 * @param parcel With the serialized data. Metadata keeps a
 *               reference on it to access it later on. The caller
 *               should not modify the parcel after this call (and
 *               not call recycle on it.)
 * @return false if an error occurred.
 */
bool CedarMetadata::parse(Parcel& parcel)
{
	if (parcel.dataAvail() < (size_t)kMetaHeaderSize) {
		ALOGE("Not enough data %d", parcel.dataAvail());
		return false;
	}

	const int pin = parcel.dataPosition();  // to roll back in case of errors.
	const int size = parcel.readInt32();

	// The extra kInt32Size below is to account for the int32 'size' just read.
	if (parcel.dataAvail() + kInt32Size < (size_t)size || size < kMetaHeaderSize) {
		ALOGE("Bad size %d avail %d position %d", size, parcel.dataAvail(), pin);
		parcel.setDataPosition(pin);
		return false;
	}

	// Checks if the 'M' 'E' 'T' 'A' marker is present.
	const int kShouldBeMetaMarker = parcel.readInt32();
	if (kShouldBeMetaMarker != kMetaMarker ) {
		ALOGE("Marker missing");
		parcel.setDataPosition(pin);
		return false;
	}

	// Scan the records to collect metadata ids and offsets.
	if (!scanAllRecords(parcel, size - kMetaHeaderSize)) {
		parcel.setDataPosition(pin);
		return false;
	}
	mParcel = &parcel;
	return true;
}
status_t BnHDCPObserver::onTransact(
        uint32_t code, const Parcel &data, Parcel *reply, uint32_t flags) {
    switch (code) {
        case OBSERVER_NOTIFY:
        {
            CHECK_INTERFACE(IHDCPObserver, data, reply);

            int msg = data.readInt32();
            int ext1 = data.readInt32();
            int ext2 = data.readInt32();

            Parcel obj;
            if (data.dataAvail() > 0) {
                obj.appendFrom(
                        const_cast<Parcel *>(&data),
                        data.dataPosition(),
                        data.dataAvail());
            }

            notify(msg, ext1, ext2, &obj);

            return OK;
        }

        default:
            return BBinder::onTransact(code, data, reply, flags);
    }
}
Example #3
0
status_t BBinder::onTransact(
    uint32_t code, const Parcel& data, Parcel* reply, uint32_t /*flags*/)
{
    switch (code) {
        case INTERFACE_TRANSACTION:
            reply->writeString16(getInterfaceDescriptor());
            return NO_ERROR;

        case DUMP_TRANSACTION: {
            int fd = data.readFileDescriptor();
            int argc = data.readInt32();
            Vector<String16> args;
            for (int i = 0; i < argc && data.dataAvail() > 0; i++) {
               args.add(data.readString16());
            }
            return dump(fd, args);
        }

        case SHELL_COMMAND_TRANSACTION: {
            int in = data.readFileDescriptor();
            int out = data.readFileDescriptor();
            int err = data.readFileDescriptor();
            int argc = data.readInt32();
            Vector<String16> args;
            for (int i = 0; i < argc && data.dataAvail() > 0; i++) {
               args.add(data.readString16());
            }
            sp<IShellCallback> shellCallback = IShellCallback::asInterface(
                    data.readStrongBinder());
            sp<IResultReceiver> resultReceiver = IResultReceiver::asInterface(
                    data.readStrongBinder());

            // XXX can't add virtuals until binaries are updated.
            //return shellCommand(in, out, err, args, resultReceiver);
            (void)in;
            (void)out;
            (void)err;

            if (resultReceiver != NULL) {
                resultReceiver->send(INVALID_OPERATION);
            }

            return NO_ERROR;
        }

        case SYSPROPS_TRANSACTION: {
            report_sysprop_change();
            return NO_ERROR;
        }

        default:
            return UNKNOWN_TRANSACTION;
    }
}
static jbyteArray android_os_Parcel_createByteArray(JNIEnv* env, jclass clazz, jlong nativePtr)
{
    jbyteArray ret = NULL;

    Parcel* parcel = reinterpret_cast<Parcel*>(nativePtr);
    if (parcel != NULL) {
        int32_t len = parcel->readInt32();

        // sanity check the stored length against the true data size
        if (len >= 0 && len <= (int32_t)parcel->dataAvail()) {
            ret = env->NewByteArray(len);

            if (ret != NULL) {
                jbyte* a2 = (jbyte*)env->GetPrimitiveArrayCritical(ret, 0);
                if (a2) {
                    const void* data = parcel->readInplace(len);
                    memcpy(a2, data, len);
                    env->ReleasePrimitiveArrayCritical(ret, a2, 0);
                }
            }
        }
    }

    return ret;
}
status_t BBinder::onTransact(
    uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
{
    switch (code) {
        case INTERFACE_TRANSACTION:
            reply->writeString16(getInterfaceDescriptor());
            return NO_ERROR;

        case DUMP_TRANSACTION: {
            int fd = data.readFileDescriptor();
            int argc = data.readInt32();
            Vector<String16> args;
            for (int i = 0; i < argc && data.dataAvail() > 0; i++) {
               args.add(data.readString16());
            }
            return dump(fd, args);
        }

        case SYSPROPS_TRANSACTION: {
            report_sysprop_change();
            return NO_ERROR;
        }

        default:
            return UNKNOWN_TRANSACTION;
    }
}
static void readFromParcel(const Parcel &data, Vector<T> *items) {
    size_t size = (size_t)data.readUint32();
    for (size_t i = 0; i < size && data.dataAvail() > 0; i++) {
        T item;
        item.readFromParcel(data);
        items->add(item);
    }
}
Example #7
0
status_t BnMcuService::onTransact(
    uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
{
	ALOGI("BnMcuService::onTransact, code[%d]", code);
    switch (code) {
        case GET_TEST: {
            CHECK_INTERFACE(IMcuService, data, reply);
            int result = getTest();
            reply->writeInt32(result);
            return NO_ERROR;
        } break;
		case obtain_info: {
            CHECK_INTERFACE(IMcuService, data, reply);
			int domain = data.readInt32();
			int cmd = data.readInt32();
			Parcel out;
            bool res = obtainInfo(domain, cmd, out);
			reply->appendFrom(&out, 0, out.dataSize());
			reply->writeInt32(res?1:0);
			out.freeData();
            return NO_ERROR;
        } break;
		case send_info: {
            CHECK_INTERFACE(IMcuService, data, reply);
			int domain = data.readInt32();
			int cmd = data.readInt32();
			Parcel in;
			if(data.dataAvail() >0)
			{
				in.appendFrom(&data, data.dataPosition(), data.dataSize()-data.dataPosition());
				in.setDataPosition(0);
			}
			bool res = sendInfo(domain, cmd, in);
			reply->writeInt32(res?1:0);
			in.freeData();
            return NO_ERROR;
        } break;
		case regist_data_changed_listener: {
            CHECK_INTERFACE(IMcuService, data, reply);
			int domain = data.readInt32();
           	sp<IDataChangedListener> client = interface_cast<IDataChangedListener>(data.readStrongBinder());
            bool res = registDataChanagedListener(domain, client);
            reply->writeInt32((res?1:0));
            return NO_ERROR;
        } break; 
		case unregist_data_changed_listener: {
            CHECK_INTERFACE(IMcuService, data, reply);
			int domain = data.readInt32();
           	sp<IDataChangedListener> client = interface_cast<IDataChangedListener>(data.readStrongBinder());
            bool res = unregistDataChanagedListener(domain, client);
            reply->writeInt32((res?1:0));
            return NO_ERROR;
        } break;
        default:
            return BBinder::onTransact(code, data, reply, flags);
    }
}
status_t BnDrmClient::onTransact(
    uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
{
    switch (code) {
        case NOTIFY: {
            CHECK_INTERFACE(IDrmClient, data, reply);
            int eventType = data.readInt32();
            int extra = data.readInt32();
            Parcel obj;
            if (data.dataAvail() > 0) {
                obj.appendFrom(const_cast<Parcel *>(&data), data.dataPosition(), data.dataAvail());
            }

            notify((DrmPlugin::EventType)eventType, extra, &obj);
            return NO_ERROR;
        } break;
        default:
            return BBinder::onTransact(code, data, reply, flags);
    }
}
status_t BnMediaPlayerClient::onTransact(
    uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
{
    switch (code) {
        case NOTIFY: {
            CHECK_INTERFACE(IMediaPlayerClient, data, reply);
            int msg = data.readInt32();
            int ext1 = data.readInt32();
            int ext2 = data.readInt32();
            Parcel obj;
            if (data.dataAvail() > 0) {
                obj.appendFrom(const_cast<Parcel *>(&data), data.dataPosition(), data.dataAvail());
            }

            notify(msg, ext1, ext2, &obj);
            return NO_ERROR;
        } break;
        default:
            return BBinder::onTransact(code, data, reply, flags);
    }
}
status_t BnListenReceiver::onTransact(
    uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
{
    switch (code) {
        case NOTIFY: {
            ALOGI("BnListenReceiver::onTransact received NOTIFY");
            CHECK_INTERFACE(IListenReceiver, data, reply);
            int msg = data.readInt32();
            Parcel obj;
            if (data.dataAvail() > 0) {
                ALOGI("append %d bytes available at pos %d",
                      data.dataAvail(), data.dataPosition());
                obj.appendFrom(const_cast<Parcel *>(&data), data.dataPosition(), data.dataAvail());
            }

            notify(msg, &obj);
            return NO_ERROR;
        } break;
        default:
            ALOGI("BnListenReceiver::onTransact received unknown msg %d", code);
            return BBinder::onTransact(code, data, reply, flags);
    }
}
status_t BnCameraClient::onTransact(
    uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
{
    switch(code) {
        case NOTIFY_CALLBACK: {
            ALOGV("NOTIFY_CALLBACK");
            CHECK_INTERFACE(ICameraClient, data, reply);
            int32_t msgType = data.readInt32();
            int32_t ext1    = data.readInt32();
            int32_t ext2    = 0;
            if ((msgType == CAMERA_MSG_PREVIEW_FRAME) && (ext1 == CAMERA_FRAME_DATA_FD)) {
                ext2 = data.readFileDescriptor();
                ALOGD("onTransact: CAMERA_MSG_PREVIEW_FRAME fd = %d", ext2);
            } else {
                ext2 = data.readInt32();
            }
            notifyCallback(msgType, ext1, ext2);
            return NO_ERROR;
        } break;
        case DATA_CALLBACK: {
            ALOGV("DATA_CALLBACK");
            CHECK_INTERFACE(ICameraClient, data, reply);
            int32_t msgType = data.readInt32();
            sp<IMemory> imageData = interface_cast<IMemory>(data.readStrongBinder());
            camera_frame_metadata_t *metadata = NULL;
            if (data.dataAvail() > 0) {
                metadata = new camera_frame_metadata_t;
                metadata->number_of_faces = data.readInt32();
                metadata->faces = (camera_face_t *) data.readInplace(
                        sizeof(camera_face_t) * metadata->number_of_faces);
            }
            dataCallback(msgType, imageData, metadata);
            if (metadata) delete metadata;
            return NO_ERROR;
        } break;
        case DATA_CALLBACK_TIMESTAMP: {
            ALOGV("DATA_CALLBACK_TIMESTAMP");
            CHECK_INTERFACE(ICameraClient, data, reply);
            nsecs_t timestamp = data.readInt64();
            int32_t msgType = data.readInt32();
            sp<IMemory> imageData = interface_cast<IMemory>(data.readStrongBinder());
            dataCallbackTimestamp(timestamp, msgType, imageData);
            return NO_ERROR;
        } break;
        default:
            return BBinder::onTransact(code, data, reply, flags);
    }
}
status_t BnDrmManagerService::onTransact(
            uint32_t code, const Parcel& data,
            Parcel* reply, uint32_t flags) {
    LOGV("Entering BnDrmManagerService::onTransact with code %d", code);

    switch (code) {
    case ADD_UNIQUEID:
    {
        LOGV("BnDrmManagerService::onTransact :ADD_UNIQUEID");
        CHECK_INTERFACE(IDrmManagerService, data, reply);
        int uniqueId = addUniqueId(data.readInt32());
        reply->writeInt32(uniqueId);
        return DRM_NO_ERROR;
    }

    case REMOVE_UNIQUEID:
    {
        LOGV("BnDrmManagerService::onTransact :REMOVE_UNIQUEID");
        CHECK_INTERFACE(IDrmManagerService, data, reply);
        removeUniqueId(data.readInt32());
        return DRM_NO_ERROR;
    }

    case LOAD_PLUGINS:
    {
        LOGV("BnDrmManagerService::onTransact :LOAD_PLUGINS");
        CHECK_INTERFACE(IDrmManagerService, data, reply);

        status_t status = loadPlugIns(data.readInt32());

        reply->writeInt32(status);
        return DRM_NO_ERROR;
    }

    case LOAD_PLUGINS_FROM_PATH:
    {
        LOGV("BnDrmManagerService::onTransact :LOAD_PLUGINS_FROM_PATH");
        CHECK_INTERFACE(IDrmManagerService, data, reply);

        status_t status = loadPlugIns(data.readInt32(), data.readString8());

        reply->writeInt32(status);
        return DRM_NO_ERROR;
    }

    case SET_DRM_SERVICE_LISTENER:
    {
        LOGV("BnDrmManagerService::onTransact :SET_DRM_SERVICE_LISTENER");
        CHECK_INTERFACE(IDrmManagerService, data, reply);

        const int uniqueId = data.readInt32();
        const sp<IDrmServiceListener> drmServiceListener
            = interface_cast<IDrmServiceListener> (data.readStrongBinder());

        status_t status = setDrmServiceListener(uniqueId, drmServiceListener);

        reply->writeInt32(status);
        return DRM_NO_ERROR;
    }

    case UNLOAD_PLUGINS:
    {
        LOGV("BnDrmManagerService::onTransact :UNLOAD_PLUGINS");
        CHECK_INTERFACE(IDrmManagerService, data, reply);

        const int uniqueId = data.readInt32();
        status_t status = unloadPlugIns(uniqueId);

        reply->writeInt32(status);
        return DRM_NO_ERROR;
    }

    case INSTALL_DRM_ENGINE:
    {
        LOGV("BnDrmManagerService::onTransact :INSTALL_DRM_ENGINE");
        CHECK_INTERFACE(IDrmManagerService, data, reply);

        status_t status = installDrmEngine(data.readInt32(), data.readString8());

        reply->writeInt32(status);
        return DRM_NO_ERROR;
    }

    case GET_CONSTRAINTS_FROM_CONTENT:
    {
        LOGV("BnDrmManagerService::onTransact :GET_CONSTRAINTS_FROM_CONTENT");
        CHECK_INTERFACE(IDrmManagerService, data, reply);

        const int uniqueId = data.readInt32();
        const String8 path = data.readString8();

        DrmConstraints* drmConstraints = getConstraints(uniqueId, &path, data.readInt32());

        if (NULL != drmConstraints) {
            //Filling DRM Constraints contents
            reply->writeInt32(drmConstraints->getCount());

            DrmConstraints::KeyIterator keyIt = drmConstraints->keyIterator();
            while (keyIt.hasNext()) {
                const String8 key = keyIt.next();
                reply->writeString8(key);
                const char* value = drmConstraints->getAsByteArray(&key);
                int bufferSize = 0;
                if (NULL != value) {
                    bufferSize = strlen(value);
                }
                reply->writeInt32(bufferSize + 1);
                reply->write(value, bufferSize + 1);
            }
        }
        delete drmConstraints; drmConstraints = NULL;
        return DRM_NO_ERROR;
    }

    case CAN_HANDLE:
    {
        LOGV("BnDrmManagerService::onTransact :CAN_HANDLE");
        CHECK_INTERFACE(IDrmManagerService, data, reply);

        const int uniqueId = data.readInt32();
        const String8 path = data.readString8();
        const String8 mimeType = data.readString8();

        bool result = canHandle(uniqueId, path, mimeType);

        reply->writeInt32(result);
        return DRM_NO_ERROR;
    }

    case PROCESS_DRM_INFO:
    {
        LOGV("BnDrmManagerService::onTransact :PROCESS_DRM_INFO");
        CHECK_INTERFACE(IDrmManagerService, data, reply);

        const int uniqueId = data.readInt32();

        //Filling DRM info
        const int infoType = data.readInt32();
        const int bufferSize = data.readInt32();
        char* buffer = NULL;
        if (0 < bufferSize) {
            buffer = (char *)data.readInplace(bufferSize);
        }
        const DrmBuffer drmBuffer(buffer, bufferSize);
        DrmInfo* drmInfo = new DrmInfo(infoType, drmBuffer, data.readString8());

        const int size = data.readInt32();
        for (int index = 0; index < size; ++index) {
            const String8 key(data.readString8());
            const String8 value(data.readString8());
            drmInfo->put(key, (value == String8("NULL")) ? String8("") : value);
        }

        DrmInfoStatus* drmInfoStatus = processDrmInfo(uniqueId, drmInfo);

        if (NULL != drmInfoStatus) {
            //Filling DRM Info Status contents
            reply->writeInt32(drmInfoStatus->statusCode);
            reply->writeString8(drmInfoStatus->mimeType);

            if (NULL != drmInfoStatus->drmBuffer) {
                const DrmBuffer* drmBuffer = drmInfoStatus->drmBuffer;
                const int bufferSize = drmBuffer->length;
                reply->writeInt32(bufferSize);
                if (0 < bufferSize) {
                    reply->write(drmBuffer->data, bufferSize);
                }
                delete [] drmBuffer->data;
                delete drmBuffer; drmBuffer = NULL;
            }
        }
        delete drmInfo; drmInfo = NULL;
        delete drmInfoStatus; drmInfoStatus = NULL;
        return DRM_NO_ERROR;
    }

    case ACQUIRE_DRM_INFO:
    {
        LOGV("BnDrmManagerService::onTransact :ACQUIRE_DRM_INFO");
        CHECK_INTERFACE(IDrmManagerService, data, reply);

        const int uniqueId = data.readInt32();

        //Filling DRM info Request
        DrmInfoRequest* drmInfoRequest = new DrmInfoRequest(data.readInt32(), data.readString8());

        const int size = data.readInt32();
        for (int index = 0; index < size; ++index) {
            const String8 key(data.readString8());
            const String8 value(data.readString8());
            drmInfoRequest->put(key, (value == String8("NULL")) ? String8("") : value);
        }

        DrmInfo* drmInfo = acquireDrmInfo(uniqueId, drmInfoRequest);

        if (NULL != drmInfo) {
            //Filling DRM Info
            const DrmBuffer drmBuffer = drmInfo->getData();
            reply->writeInt32(drmInfo->getInfoType());

            const int bufferSize = drmBuffer.length;
            reply->writeInt32(bufferSize);
            if (0 < bufferSize) {
                reply->write(drmBuffer.data, bufferSize);
            }
            reply->writeString8(drmInfo->getMimeType());
            reply->writeInt32(drmInfo->getCount());

            DrmInfo::KeyIterator keyIt = drmInfo->keyIterator();
            while (keyIt.hasNext()) {
                const String8 key = keyIt.next();
                reply->writeString8(key);
                const String8 value = drmInfo->get(key);
                reply->writeString8((value == String8("")) ? String8("NULL") : value);
            }
            delete [] drmBuffer.data;
        }
        delete drmInfoRequest; drmInfoRequest = NULL;
        delete drmInfo; drmInfo = NULL;
        return DRM_NO_ERROR;
    }

    case SAVE_RIGHTS:
    {
        LOGV("BnDrmManagerService::onTransact :SAVE_RIGHTS");
        CHECK_INTERFACE(IDrmManagerService, data, reply);

        const int uniqueId = data.readInt32();

        //Filling DRM Rights
        const int bufferSize = data.readInt32();
        const DrmBuffer drmBuffer((char *)data.readInplace(bufferSize), bufferSize);

        const String8 mimeType(data.readString8());
        const String8 accountId(data.readString8());
        const String8 subscriptionId(data.readString8());
        const String8 rightsPath(data.readString8());
        const String8 contentPath(data.readString8());

        DrmRights drmRights(drmBuffer,
                            ((mimeType == String8("NULL")) ? String8("") : mimeType),
                            ((accountId == String8("NULL")) ? String8("") : accountId),
                            ((subscriptionId == String8("NULL")) ? String8("") : subscriptionId));

        const status_t status = saveRights(uniqueId, drmRights,
                            ((rightsPath == String8("NULL")) ? String8("") : rightsPath),
                            ((contentPath == String8("NULL")) ? String8("") : contentPath));

        reply->writeInt32(status);
        return DRM_NO_ERROR;
    }

    case GET_ORIGINAL_MIMETYPE:
    {
        LOGV("BnDrmManagerService::onTransact :GET_ORIGINAL_MIMETYPE");
        CHECK_INTERFACE(IDrmManagerService, data, reply);

        const String8 originalMimeType = getOriginalMimeType(data.readInt32(), data.readString8());

        reply->writeString8(originalMimeType);
        return DRM_NO_ERROR;
    }

    case GET_DRM_OBJECT_TYPE:
    {
        LOGV("BnDrmManagerService::onTransact :GET_DRM_OBJECT_TYPE");
        CHECK_INTERFACE(IDrmManagerService, data, reply);

        const int drmObjectType
            = getDrmObjectType(data.readInt32(), data.readString8(), data.readString8());

        reply->writeInt32(drmObjectType);
        return DRM_NO_ERROR;
    }

    case CHECK_RIGHTS_STATUS:
    {
        LOGV("BnDrmManagerService::onTransact :CHECK_RIGHTS_STATUS");
        CHECK_INTERFACE(IDrmManagerService, data, reply);

        const int result
            = checkRightsStatus(data.readInt32(), data.readString8(), data.readInt32());

        reply->writeInt32(result);
        return DRM_NO_ERROR;
    }

    case CONSUME_RIGHTS:
    {
        LOGV("BnDrmManagerService::onTransact :CONSUME_RIGHTS");
        CHECK_INTERFACE(IDrmManagerService, data, reply);

        const int uniqueId = data.readInt32();

        DecryptHandle handle;
        handle.decryptId = data.readInt32();
        handle.mimeType = data.readString8();
        handle.decryptApiType = data.readInt32();
        handle.status = data.readInt32();
        handle.decryptInfo = NULL;

        const int bufferLength = data.readInt32();
        if (INVALID_BUFFER_LENGTH != bufferLength) {
            handle.decryptInfo = new DecryptInfo();
            handle.decryptInfo->decryptBufferLength = bufferLength;
        }

        const status_t status
            = consumeRights(uniqueId, &handle, data.readInt32(),
                static_cast<bool>(data.readInt32()));
        reply->writeInt32(status);

        delete handle.decryptInfo; handle.decryptInfo = NULL;
        return DRM_NO_ERROR;
    }

    case SET_PLAYBACK_STATUS:
    {
        LOGV("BnDrmManagerService::onTransact :SET_PLAYBACK_STATUS");
        CHECK_INTERFACE(IDrmManagerService, data, reply);

        const int uniqueId = data.readInt32();

        DecryptHandle handle;
        handle.decryptId = data.readInt32();
        handle.mimeType = data.readString8();
        handle.decryptApiType = data.readInt32();
        handle.status = data.readInt32();
        handle.decryptInfo = NULL;

        const int bufferLength = data.readInt32();
        if (INVALID_BUFFER_LENGTH != bufferLength) {
            handle.decryptInfo = new DecryptInfo();
            handle.decryptInfo->decryptBufferLength = bufferLength;
        }

        const status_t status
            = setPlaybackStatus(uniqueId, &handle, data.readInt32(), data.readInt32());
        reply->writeInt32(status);

        delete handle.decryptInfo; handle.decryptInfo = NULL;
        return DRM_NO_ERROR;
    }

    case VALIDATE_ACTION:
    {
        LOGV("BnDrmManagerService::onTransact :VALIDATE_ACTION");
        CHECK_INTERFACE(IDrmManagerService, data, reply);

        bool result = validateAction(
                                data.readInt32(),
                                data.readString8(),
                                data.readInt32(),
                                ActionDescription(data.readInt32(), data.readInt32()));

        reply->writeInt32(result);
        return DRM_NO_ERROR;
    }

    case REMOVE_RIGHTS:
    {
        LOGV("BnDrmManagerService::onTransact :REMOVE_RIGHTS");
        CHECK_INTERFACE(IDrmManagerService, data, reply);

        const status_t status = removeRights(data.readInt32(), data.readString8());
        reply->writeInt32(status);

        return DRM_NO_ERROR;
    }

    case REMOVE_ALL_RIGHTS:
    {
        LOGV("BnDrmManagerService::onTransact :REMOVE_ALL_RIGHTS");
        CHECK_INTERFACE(IDrmManagerService, data, reply);

        const status_t status = removeAllRights(data.readInt32());
        reply->writeInt32(status);

        return DRM_NO_ERROR;
    }

    case OPEN_CONVERT_SESSION:
    {
        LOGV("BnDrmManagerService::onTransact :OPEN_CONVERT_SESSION");
        CHECK_INTERFACE(IDrmManagerService, data, reply);

        const int convertId = openConvertSession(data.readInt32(), data.readString8());

        reply->writeInt32(convertId);
        return DRM_NO_ERROR;
    }

    case CONVERT_DATA:
    {
        LOGV("BnDrmManagerService::onTransact :CONVERT_DATA");
        CHECK_INTERFACE(IDrmManagerService, data, reply);

        const int uniqueId = data.readInt32();
        const int convertId = data.readInt32();

        //Filling input data
        const int bufferSize = data.readInt32();
        DrmBuffer* inputData = new DrmBuffer((char *)data.readInplace(bufferSize), bufferSize);

        DrmConvertedStatus*    drmConvertedStatus = convertData(uniqueId, convertId, inputData);

        if (NULL != drmConvertedStatus) {
            //Filling Drm Converted Ststus
            reply->writeInt32(drmConvertedStatus->statusCode);
            reply->writeInt32(drmConvertedStatus->offset);

            if (NULL != drmConvertedStatus->convertedData) {
                const DrmBuffer* convertedData = drmConvertedStatus->convertedData;
                const int bufferSize = convertedData->length;
                reply->writeInt32(bufferSize);
                if (0 < bufferSize) {
                    reply->write(convertedData->data, bufferSize);
                }
                delete [] convertedData->data;
                delete convertedData; convertedData = NULL;
            }
        }
        delete inputData; inputData = NULL;
        delete drmConvertedStatus; drmConvertedStatus = NULL;
        return DRM_NO_ERROR;
    }

    case CLOSE_CONVERT_SESSION:
    {
        LOGV("BnDrmManagerService::onTransact :CLOSE_CONVERT_SESSION");
        CHECK_INTERFACE(IDrmManagerService, data, reply);

        DrmConvertedStatus*    drmConvertedStatus
            = closeConvertSession(data.readInt32(), data.readInt32());

        if (NULL != drmConvertedStatus) {
            //Filling Drm Converted Ststus
            reply->writeInt32(drmConvertedStatus->statusCode);
            reply->writeInt32(drmConvertedStatus->offset);

            if (NULL != drmConvertedStatus->convertedData) {
                const DrmBuffer* convertedData = drmConvertedStatus->convertedData;
                const int bufferSize = convertedData->length;
                reply->writeInt32(bufferSize);
                if (0 < bufferSize) {
                    reply->write(convertedData->data, bufferSize);
                }
                delete [] convertedData->data;
                delete convertedData; convertedData = NULL;
            }
        }
        delete drmConvertedStatus; drmConvertedStatus = NULL;
        return DRM_NO_ERROR;
    }

    case GET_ALL_SUPPORT_INFO:
    {
        LOGV("BnDrmManagerService::onTransact :GET_ALL_SUPPORT_INFO");
        CHECK_INTERFACE(IDrmManagerService, data, reply);

        const int uniqueId = data.readInt32();
        int length = 0;
        DrmSupportInfo* drmSupportInfoArray = NULL;

        status_t status = getAllSupportInfo(uniqueId, &length, &drmSupportInfoArray);

        reply->writeInt32(length);
        for (int i = 0; i < length; ++i) {
            DrmSupportInfo drmSupportInfo = drmSupportInfoArray[i];

            reply->writeInt32(drmSupportInfo.getFileSuffixCount());
            DrmSupportInfo::FileSuffixIterator fileSuffixIt
                = drmSupportInfo.getFileSuffixIterator();
            while (fileSuffixIt.hasNext()) {
                reply->writeString8(fileSuffixIt.next());
            }

            reply->writeInt32(drmSupportInfo.getMimeTypeCount());
            DrmSupportInfo::MimeTypeIterator mimeTypeIt = drmSupportInfo.getMimeTypeIterator();
            while (mimeTypeIt.hasNext()) {
                reply->writeString8(mimeTypeIt.next());
            }
            reply->writeString8(drmSupportInfo.getDescription());
        }
        delete [] drmSupportInfoArray; drmSupportInfoArray = NULL;
        reply->writeInt32(status);
        return DRM_NO_ERROR;
    }

    case OPEN_DECRYPT_SESSION:
    {
        LOGV("BnDrmManagerService::onTransact :OPEN_DECRYPT_SESSION");
        CHECK_INTERFACE(IDrmManagerService, data, reply);

        const int uniqueId = data.readInt32();
        const int fd = data.readFileDescriptor();

        DecryptHandle* handle
            = openDecryptSession(uniqueId, fd, data.readInt32(), data.readInt32());

        if (NULL != handle) {
            reply->writeInt32(handle->decryptId);
            reply->writeString8(handle->mimeType);
            reply->writeInt32(handle->decryptApiType);
            reply->writeInt32(handle->status);
            if (NULL != handle->decryptInfo) {
                reply->writeInt32(handle->decryptInfo->decryptBufferLength);
                delete handle->decryptInfo; handle->decryptInfo = NULL;
            }
        } else {
            LOGE("NULL decryptHandle is returned");
        }
        delete handle; handle = NULL;
        return DRM_NO_ERROR;
    }

    case CLOSE_DECRYPT_SESSION:
    {
        LOGV("BnDrmManagerService::onTransact :CLOSE_DECRYPT_SESSION");
        CHECK_INTERFACE(IDrmManagerService, data, reply);

        const int uniqueId = data.readInt32();

        DecryptHandle* handle = new DecryptHandle();
        handle->decryptId = data.readInt32();
        handle->mimeType = data.readString8();
        handle->decryptApiType = data.readInt32();
        handle->status = data.readInt32();
        handle->decryptInfo = NULL;

        const int bufferLength = data.readInt32();
        if (INVALID_BUFFER_LENGTH != bufferLength) {
            handle->decryptInfo = new DecryptInfo();
            handle->decryptInfo->decryptBufferLength = bufferLength;
        }

        const status_t status = closeDecryptSession(uniqueId, handle);
        reply->writeInt32(status);
        return DRM_NO_ERROR;
    }

    case INITIALIZE_DECRYPT_UNIT:
    {
        LOGV("BnDrmManagerService::onTransact :INITIALIZE_DECRYPT_UNIT");
        CHECK_INTERFACE(IDrmManagerService, data, reply);

        const int uniqueId = data.readInt32();

        DecryptHandle handle;
        handle.decryptId = data.readInt32();
        handle.mimeType = data.readString8();
        handle.decryptApiType = data.readInt32();
        handle.status = data.readInt32();
        handle.decryptInfo = NULL;

        const int bufferLength = data.readInt32();
        if (INVALID_BUFFER_LENGTH != bufferLength) {
            handle.decryptInfo = new DecryptInfo();
            handle.decryptInfo->decryptBufferLength = bufferLength;
        }
        const int decryptUnitId = data.readInt32();

        //Filling Header info
        const int bufferSize = data.readInt32();
        DrmBuffer* headerInfo = NULL;
        headerInfo = new DrmBuffer((char *)data.readInplace(bufferSize), bufferSize);

        const status_t status
            = initializeDecryptUnit(uniqueId, &handle, decryptUnitId, headerInfo);
        reply->writeInt32(status);

        delete handle.decryptInfo; handle.decryptInfo = NULL;
        delete headerInfo; headerInfo = NULL;
        return DRM_NO_ERROR;
    }

    case DECRYPT:
    {
        LOGV("BnDrmManagerService::onTransact :DECRYPT");
        CHECK_INTERFACE(IDrmManagerService, data, reply);

        const int uniqueId = data.readInt32();

        DecryptHandle handle;
        handle.decryptId = data.readInt32();
        handle.mimeType = data.readString8();
        handle.decryptApiType = data.readInt32();
        handle.status = data.readInt32();
        handle.decryptInfo = NULL;

        const int bufferLength = data.readInt32();
        if (INVALID_BUFFER_LENGTH != bufferLength) {
            handle.decryptInfo = new DecryptInfo();
            handle.decryptInfo->decryptBufferLength = bufferLength;
        }
        const int decryptUnitId = data.readInt32();
        const int decBufferSize = data.readInt32();

        const int encBufferSize = data.readInt32();
        DrmBuffer* encBuffer
            = new DrmBuffer((char *)data.readInplace(encBufferSize), encBufferSize);

        char* buffer = NULL;
        buffer = new char[decBufferSize];
        DrmBuffer* decBuffer = new DrmBuffer(buffer, decBufferSize);

        DrmBuffer* IV = NULL;
        if (0 != data.dataAvail()) {
            const int ivBufferlength = data.readInt32();
            IV = new DrmBuffer((char *)data.readInplace(ivBufferlength), ivBufferlength);
        }

        const status_t status
            = decrypt(uniqueId, &handle, decryptUnitId, encBuffer, &decBuffer, IV);

        reply->writeInt32(status);

        const int size = decBuffer->length;
        reply->writeInt32(size);
        reply->write(decBuffer->data, size);

        delete handle.decryptInfo; handle.decryptInfo = NULL;
        delete encBuffer; encBuffer = NULL;
        delete decBuffer; decBuffer = NULL;
        delete [] buffer; buffer = NULL;
        delete IV; IV = NULL;
        return DRM_NO_ERROR;
    }

    case FINALIZE_DECRYPT_UNIT:
    {
        LOGV("BnDrmManagerService::onTransact :FINALIZE_DECRYPT_UNIT");
        CHECK_INTERFACE(IDrmManagerService, data, reply);

        const int uniqueId = data.readInt32();

        DecryptHandle handle;
        handle.decryptId = data.readInt32();
        handle.mimeType = data.readString8();
        handle.decryptApiType = data.readInt32();
        handle.status = data.readInt32();
        handle.decryptInfo = NULL;

        const int bufferLength = data.readInt32();
        if (INVALID_BUFFER_LENGTH != bufferLength) {
            handle.decryptInfo = new DecryptInfo();
            handle.decryptInfo->decryptBufferLength = bufferLength;
        }

        const status_t status = finalizeDecryptUnit(uniqueId, &handle, data.readInt32());
        reply->writeInt32(status);

        delete handle.decryptInfo; handle.decryptInfo = NULL;
        return DRM_NO_ERROR;
    }

    case PREAD:
    {
        LOGV("BnDrmManagerService::onTransact :READ");
        CHECK_INTERFACE(IDrmManagerService, data, reply);

        const int uniqueId = data.readInt32();

        DecryptHandle handle;
        handle.decryptId = data.readInt32();
        handle.mimeType = data.readString8();
        handle.decryptApiType = data.readInt32();
        handle.status = data.readInt32();
        handle.decryptInfo = NULL;

        const int bufferLength = data.readInt32();
        if (INVALID_BUFFER_LENGTH != bufferLength) {
            handle.decryptInfo = new DecryptInfo();
            handle.decryptInfo->decryptBufferLength = bufferLength;
        }

        const int numBytes = data.readInt32();
        char* buffer = new char[numBytes];

        const off_t offset = data.readInt32();

        ssize_t result = pread(uniqueId, &handle, buffer, numBytes, offset);
        reply->writeInt32(result);
        if (0 < result) {
            reply->write(buffer, result);
        }

        delete handle.decryptInfo; handle.decryptInfo = NULL;
        delete [] buffer, buffer = NULL;
        return DRM_NO_ERROR;
    }

    default:
        return BBinder::onTransact(code, data, reply, flags);
    }
}
static jint android_os_Parcel_dataAvail(JNIEnv* env, jclass clazz, jlong nativePtr)
{
    Parcel* parcel = reinterpret_cast<Parcel*>(nativePtr);
    return parcel ? parcel->dataAvail() : 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_DATA_SOURCE_URL: {
            CHECK_INTERFACE(IMediaPlayer, data, reply);
            const char* url = data.readCString();
            KeyedVector<String8, String8> headers;
            int32_t numHeaders = data.readInt32();
            for (int i = 0; i < numHeaders; ++i) {
                String8 key = data.readString8();
                String8 value = data.readString8();
                headers.add(key, value);
            }
            reply->writeInt32(setDataSource(url, numHeaders > 0 ? &headers : NULL));
            return NO_ERROR;
        } break;
        case SET_DATA_SOURCE_FD: {
            CHECK_INTERFACE(IMediaPlayer, data, reply);
            int fd = data.readFileDescriptor();
            int64_t offset = data.readInt64();
            int64_t length = data.readInt64();
            reply->writeInt32(setDataSource(fd, offset, length));
            return NO_ERROR;
        }
        case SET_DATA_SOURCE_STREAM: {
            CHECK_INTERFACE(IMediaPlayer, data, reply);
            sp<IStreamSource> source =
                interface_cast<IStreamSource>(data.readStrongBinder());
            reply->writeInt32(setDataSource(source));
            return NO_ERROR;
        }
        case SET_VIDEO_SURFACETEXTURE: {
            CHECK_INTERFACE(IMediaPlayer, data, reply);
            sp<ISurfaceTexture> surfaceTexture =
                    interface_cast<ISurfaceTexture>(data.readStrongBinder());
            reply->writeInt32(setVideoSurfaceTexture(surfaceTexture));
            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);
            float leftVolume = data.readFloat();
            float rightVolume = data.readFloat();
            reply->writeInt32(setVolume(leftVolume, rightVolume));
            return NO_ERROR;
        } break;
        case INVOKE: {
            CHECK_INTERFACE(IMediaPlayer, data, reply);
            status_t result = invoke(data, reply);
            return result;
        } break;
        case SET_METADATA_FILTER: {
            CHECK_INTERFACE(IMediaPlayer, data, reply);
            reply->writeInt32(setMetadataFilter(data));
            return NO_ERROR;
        } break;
        case GET_METADATA: {
            CHECK_INTERFACE(IMediaPlayer, data, reply);
            bool update_only = static_cast<bool>(data.readInt32());
            bool apply_filter = static_cast<bool>(data.readInt32());
            const status_t retcode = getMetadata(update_only, apply_filter, reply);
            reply->setDataPosition(0);
            reply->writeInt32(retcode);
            reply->setDataPosition(0);
            return NO_ERROR;
        } break;
        case SET_AUX_EFFECT_SEND_LEVEL: {
            CHECK_INTERFACE(IMediaPlayer, data, reply);
            reply->writeInt32(setAuxEffectSendLevel(data.readFloat()));
            return NO_ERROR;
        } break;
        case ATTACH_AUX_EFFECT: {
            CHECK_INTERFACE(IMediaPlayer, data, reply);
            reply->writeInt32(attachAuxEffect(data.readInt32()));
            return NO_ERROR;
        } break;
        case SET_PARAMETER: {
            CHECK_INTERFACE(IMediaPlayer, data, reply);
            int key = data.readInt32();

            Parcel request;
            if (data.dataAvail() > 0) {
                request.appendFrom(
                        const_cast<Parcel *>(&data), data.dataPosition(), data.dataAvail());
            }
            request.setDataPosition(0);
            reply->writeInt32(setParameter(key, request));
            return NO_ERROR;
        } break;
        case GET_PARAMETER: {
            CHECK_INTERFACE(IMediaPlayer, data, reply);
            return getParameter(data.readInt32(), reply);
        } break;
        default:
            return BBinder::onTransact(code, data, reply, flags);
    }
}