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// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef MEDIA_FORMATS_WEBM_WEBM_CONTENT_ENCODINGS_H_
#define MEDIA_FORMATS_WEBM_WEBM_CONTENT_ENCODINGS_H_
#include <stdint.h>
#include <string>
#include "base/macros.h"
#include "base/memory/scoped_ptr.h"
#include "media/base/media_export.h"
namespace media {
class MEDIA_EXPORT ContentEncoding {
public:
// The following enum definitions are based on the ContentEncoding element
// specified in the Matroska spec.
static const int kOrderInvalid = -1;
enum Scope {
kScopeInvalid = 0,
kScopeAllFrameContents = 1,
kScopeTrackPrivateData = 2,
kScopeNextContentEncodingData = 4,
kScopeMax = 7,
};
enum Type {
kTypeInvalid = -1,
kTypeCompression = 0,
kTypeEncryption = 1,
};
enum EncryptionAlgo {
kEncAlgoInvalid = -1,
kEncAlgoNotEncrypted = 0,
kEncAlgoDes = 1,
kEncAlgo3des = 2,
kEncAlgoTwofish = 3,
kEncAlgoBlowfish = 4,
kEncAlgoAes = 5,
};
enum CipherMode {
kCipherModeInvalid = 0,
kCipherModeCtr = 1,
};
ContentEncoding();
~ContentEncoding();
int64_t order() const { return order_; }
void set_order(int64_t order) { order_ = order; }
Scope scope() const { return scope_; }
void set_scope(Scope scope) { scope_ = scope; }
Type type() const { return type_; }
void set_type(Type type) { type_ = type; }
EncryptionAlgo encryption_algo() const { return encryption_algo_; }
void set_encryption_algo(EncryptionAlgo encryption_algo) {
encryption_algo_ = encryption_algo;
}
const std::string& encryption_key_id() const { return encryption_key_id_; }
void SetEncryptionKeyId(const uint8_t* encryption_key_id, int size);
CipherMode cipher_mode() const { return cipher_mode_; }
void set_cipher_mode(CipherMode mode) { cipher_mode_ = mode; }
private:
int64_t order_;
Scope scope_;
Type type_;
EncryptionAlgo encryption_algo_;
std::string encryption_key_id_;
CipherMode cipher_mode_;
DISALLOW_COPY_AND_ASSIGN(ContentEncoding);
};
} // namespace media
#endif // MEDIA_FORMATS_WEBM_WEBM_CONTENT_ENCODINGS_H_
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