media/crypto/decryptor_helpers.cc - Issue 10829470: Support for parsing encrypted WebM streams by src.

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Side by Side Diff: media/crypto/decryptor_helpers.cc

Issue 10829470: Support for parsing encrypted WebM streams by src. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src

Patch Set: Fixed bug with playing latest encrypted WebM. Addressing comments. Created 8 years, 3 months ago

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	1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.

	2 // Use of this source code is governed by a BSD-style license that can be

	3 // found in the LICENSE file.

	4

	5 #include "media/crypto/decryptor_helpers.h"

	6

	7 #include "media/base/decrypt_config.h"

	8

	9 namespace media {

	10

	11 std::string GenerateCounterBlock(uint64 iv) {

	12 std::string counter_block(reinterpret_cast<char*>(&iv), sizeof(iv));
	ddorwin 2012/09/01 16:46:41 I wonder if we'd be better off reserving the final I wonder if we'd be better off reserving the final size (kDecryptionKeySize) and copying in.
	13 counter_block.append(DecryptConfig::kDecryptionKeySize - sizeof(iv), 0);

	14 return counter_block;

	15 }

	16

	17 } // media
	xhwang 2012/08/29 05:08:14 // namespace media // namespace media
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