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-rw-r--r--media/mtp/MtpPacket.h68
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diff --git a/media/mtp/MtpPacket.h b/media/mtp/MtpPacket.h
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+/*
+ * Copyright (C) 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.
+ */
+
+#ifndef _MTP_PACKET_H
+#define _MTP_PACKET_H
+
+class MtpStringBuffer;
+
+#include "mtp.h"
+#include "MtpUtils.h"
+
+#include <stdint.h>
+
+class MtpPacket {
+
+protected:
+ uint8_t* mBuffer;
+ // current size of the buffer
+ int mBufferSize;
+ // number of bytes to add when resizing the buffer
+ int mAllocationIncrement;
+ // size of the data in the packet
+ int mPacketSize;
+
+public:
+ MtpPacket(int bufferSize);
+ virtual ~MtpPacket();
+
+ // sets packet size to the default container size and sets buffer to zero
+ virtual void reset();
+
+ void allocate(int length);
+ void dump();
+
+ uint16_t getContainerCode() const;
+ void setContainerCode(uint16_t code);
+
+ MtpTransactionID getTransactionID() const;
+ void setTransactionID(MtpTransactionID id);
+
+ uint32_t getParameter(int index) const;
+ void setParameter(int index, uint32_t value);
+
+#ifdef MTP_HOST
+ int transfer(struct usb_endpoint *ep, void* buffer, int length);
+#endif
+
+protected:
+ uint16_t getUInt16(int offset) const;
+ uint32_t getUInt32(int offset) const;
+ void putUInt16(int offset, uint16_t value);
+ void putUInt32(int offset, uint32_t value);
+};
+
+#endif // _MTP_PACKET_H