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Add CTR encryption.

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- Added ContentEncAESSettings, AESSettingsCipherMode,
  AESSettingsCipherInitData elements to the parser and muxer.
- Changed ParseContentEncodingsEntry, ParseContentEncodingEntry,
  and ParseEncryptionEntry to use PasreElementHeader.
- Added ParseContentEncAESSettingsEntry function.
- PS6 removed AESSettingsCipherInitData.
- PS9 Addressed comments, Fixed some LINT issues, and converted
  mkvwriter.h/.cpp to Unix line endings.
- PS10 Addressed comments.

Change-Id: I9d96a0c194f74a6c9bf0001aa0286196e410f07e
This commit is contained in:
Frank Galligan
2012-04-18 15:32:53 -04:00
parent c4d2b27b7a
commit a320f5be63
10 changed files with 585 additions and 396 deletions
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98
mkvwriter.hpp
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@@ -1,49 +1,49 @@
// Copyright (c) 2012 The WebM project authors. All Rights Reserved.
//
// Use of this source code is governed by a BSD-style license
// that can be found in the LICENSE file in the root of the source
// tree. An additional intellectual property rights grant can be found
// in the file PATENTS. All contributing project authors may
// be found in the AUTHORS file in the root of the source tree.
#ifndef MKVWRITER_HPP
#define MKVWRITER_HPP
#include <stdio.h>
#include "mkvmuxer.hpp"
#include "mkvmuxertypes.hpp"
namespace mkvmuxer {
// Default implementation of the IMkvWriter interface on Windows.
class MkvWriter : public IMkvWriter {
public:
MkvWriter();
virtual ~MkvWriter();
// IMkvWriter interface
virtual int64 Position() const;
virtual int32 Position(int64 position);
virtual bool Seekable() const;
virtual int32 Write(const void* buffer, uint32 length);
virtual void ElementStartNotify(uint64 element_id, int64 position);
// Creates and opens a file for writing. |filename| is the name of the file
// to open. This function will overwrite the contents of |filename|. Returns
// true on success.
bool Open(const char* filename);
// Closes an opened file.
void Close();
private:
// File handle to output file.
FILE* file_;
LIBWEBM_DISALLOW_COPY_AND_ASSIGN(MkvWriter);
};
} //end namespace mkvmuxer
#endif // MKVWRITER_HPP
// Copyright (c) 2012 The WebM project authors. All Rights Reserved.
//
// Use of this source code is governed by a BSD-style license
// that can be found in the LICENSE file in the root of the source
// tree. An additional intellectual property rights grant can be found
// in the file PATENTS. All contributing project authors may
// be found in the AUTHORS file in the root of the source tree.
#ifndef MKVWRITER_HPP
#define MKVWRITER_HPP
#include <stdio.h>
#include "mkvmuxer.hpp"
#include "mkvmuxertypes.hpp"
namespace mkvmuxer {
// Default implementation of the IMkvWriter interface on Windows.
class MkvWriter : public IMkvWriter {
public:
MkvWriter();
virtual ~MkvWriter();
// IMkvWriter interface
virtual int64 Position() const;
virtual int32 Position(int64 position);
virtual bool Seekable() const;
virtual int32 Write(const void* buffer, uint32 length);
virtual void ElementStartNotify(uint64 element_id, int64 position);
// Creates and opens a file for writing. |filename| is the name of the file
// to open. This function will overwrite the contents of |filename|. Returns
// true on success.
bool Open(const char* filename);
// Closes an opened file.
void Close();
private:
// File handle to output file.
FILE* file_;
LIBWEBM_DISALLOW_COPY_AND_ASSIGN(MkvWriter);
};
} //end namespace mkvmuxer
#endif // MKVWRITER_HPP