| // Copyright 2023 The Chromium Authors |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "third_party/blink/renderer/modules/webcodecs/test_helpers.h" |
| |
| namespace blink { |
| |
| AllowSharedBufferSource* StringToBuffer(std::string_view data) { |
| return MakeGarbageCollected<AllowSharedBufferSource>( |
| DOMArrayBuffer::Create(data.data(), data.size())); |
| } |
| |
| std::string BufferToString(const media::DecoderBuffer& buffer) { |
| return std::string(reinterpret_cast<const char*>(buffer.data()), |
| buffer.size()); |
| } |
| |
| std::unique_ptr<media::DecryptConfig> CreateTestDecryptConfig( |
| media::EncryptionScheme scheme, |
| std::optional<media::EncryptionPattern> pattern) { |
| constexpr const char kKeyId[] = "123"; |
| using std::string_literals::operator""s; |
| const std::string kIV = "\x00\x02\x02\x04\x06 abc1234567"s; |
| const std::vector<media::SubsampleEntry> kSubsamples = { |
| {1, 2}, {2, 3}, {4, 5}}; |
| |
| switch (scheme) { |
| case media::EncryptionScheme::kUnencrypted: |
| return nullptr; |
| case media::EncryptionScheme::kCbcs: |
| return media::DecryptConfig::CreateCbcsConfig(kKeyId, kIV, kSubsamples, |
| pattern); |
| case media::EncryptionScheme::kCenc: |
| return media::DecryptConfig::CreateCencConfig(kKeyId, kIV, kSubsamples); |
| }; |
| } |
| |
| } // namespace blink |
