89 lines
2.1 KiB
C
89 lines
2.1 KiB
C
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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef MEDIA_WEBM_WEBM_CONTENT_ENCODINGS_H_
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#define MEDIA_WEBM_WEBM_CONTENT_ENCODINGS_H_
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#include <string>
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#include "base/basictypes.h"
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#include "base/memory/scoped_ptr.h"
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#include "media/base/media_export.h"
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namespace media {
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class MEDIA_EXPORT ContentEncoding {
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public:
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// The following enum definitions are based on the ContentEncoding element
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// specified in the Matroska spec.
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static const int kOrderInvalid = -1;
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enum Scope {
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kScopeInvalid = 0,
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kScopeAllFrameContents = 1,
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kScopeTrackPrivateData = 2,
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kScopeNextContentEncodingData = 4,
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kScopeMax = 7,
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};
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enum Type {
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kTypeInvalid = -1,
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kTypeCompression = 0,
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kTypeEncryption = 1,
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};
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enum EncryptionAlgo {
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kEncAlgoInvalid = -1,
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kEncAlgoNotEncrypted = 0,
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kEncAlgoDes = 1,
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kEncAlgo3des = 2,
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kEncAlgoTwofish = 3,
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kEncAlgoBlowfish = 4,
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kEncAlgoAes = 5,
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};
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enum CipherMode {
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kCipherModeInvalid = 0,
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kCipherModeCtr = 1,
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};
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ContentEncoding();
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~ContentEncoding();
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int64 order() const { return order_; }
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void set_order(int64 order) { order_ = order; }
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Scope scope() const { return scope_; }
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void set_scope(Scope scope) { scope_ = scope; }
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Type type() const { return type_; }
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void set_type(Type type) { type_ = type; }
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EncryptionAlgo encryption_algo() const { return encryption_algo_; }
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void set_encryption_algo(EncryptionAlgo encryption_algo) {
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encryption_algo_ = encryption_algo;
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}
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const std::string& encryption_key_id() const { return encryption_key_id_; }
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void SetEncryptionKeyId(const uint8* encryption_key_id, int size);
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CipherMode cipher_mode() const { return cipher_mode_; }
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void set_cipher_mode(CipherMode mode) { cipher_mode_ = mode; }
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private:
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int64 order_;
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Scope scope_;
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Type type_;
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EncryptionAlgo encryption_algo_;
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std::string encryption_key_id_;
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CipherMode cipher_mode_;
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DISALLOW_COPY_AND_ASSIGN(ContentEncoding);
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};
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} // namespace media
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#endif // MEDIA_WEBM_WEBM_CONTENT_ENCODINGS_H_
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