shaka-packager/packager/media/formats/webm/webm_content_encodings.h

90 lines
2.2 KiB
C++

// 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 "packager/base/memory/scoped_ptr.h"
namespace edash_packager {
namespace media {
class 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
} // namespace edash_packager
#endif // MEDIA_FORMATS_WEBM_WEBM_CONTENT_ENCODINGS_H_