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Side by Side Diff: media/formats/webm/webm_crypto_helpers.h

Issue 1534273002: Switch to standard integer types in media/. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: more Created 5 years ago
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1 // Copyright 2014 The Chromium Authors. All rights reserved. 1 // Copyright 2014 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #ifndef MEDIA_FORMATS_WEBM_WEBM_CRYPTO_HELPERS_H_ 5 #ifndef MEDIA_FORMATS_WEBM_WEBM_CRYPTO_HELPERS_H_
6 #define MEDIA_FORMATS_WEBM_WEBM_CRYPTO_HELPERS_H_ 6 #define MEDIA_FORMATS_WEBM_WEBM_CRYPTO_HELPERS_H_
7 7
8 #include "base/basictypes.h"
9 #include "base/memory/scoped_ptr.h" 8 #include "base/memory/scoped_ptr.h"
10 #include "media/base/decoder_buffer.h" 9 #include "media/base/decoder_buffer.h"
11 10
12 namespace media { 11 namespace media {
13 12
14 // Fills an initialized DecryptConfig, which can be sent to the Decryptor if 13 // Fills an initialized DecryptConfig, which can be sent to the Decryptor if
15 // the stream has potentially encrypted frames. Also sets |data_offset| which 14 // the stream has potentially encrypted frames. Also sets |data_offset| which
16 // indicates where the encrypted data starts. Leaving the IV empty will tell 15 // indicates where the encrypted data starts. Leaving the IV empty will tell
17 // the decryptor that the frame is unencrypted. Returns true if |data| is valid, 16 // the decryptor that the frame is unencrypted. Returns true if |data| is valid,
18 // false otherwise, in which case |decrypt_config| and |data_offset| will not be 17 // false otherwise, in which case |decrypt_config| and |data_offset| will not be
19 // changed. Current encrypted WebM request for comments specification is here 18 // changed. Current encrypted WebM request for comments specification is here
20 // http://wiki.webmproject.org/encryption/webm-encryption-rfc 19 // http://wiki.webmproject.org/encryption/webm-encryption-rfc
21 bool WebMCreateDecryptConfig(const uint8* data, int data_size, 20 bool WebMCreateDecryptConfig(const uint8_t* data,
22 const uint8* key_id, int key_id_size, 21 int data_size,
22 const uint8_t* key_id,
23 int key_id_size,
23 scoped_ptr<DecryptConfig>* decrypt_config, 24 scoped_ptr<DecryptConfig>* decrypt_config,
24 int* data_offset); 25 int* data_offset);
25 26
26 } // namespace media 27 } // namespace media
27 28
28 #endif // MEDIA_FORMATS_WEBM_WEBM_CRYPT_HELPERS_H_ 29 #endif // MEDIA_FORMATS_WEBM_WEBM_CRYPT_HELPERS_H_
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