components/cdm/browser/widevine_drm_delegate_android.cc

   1 // Copyright 2015 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 "components/cdm/browser/widevine_drm_delegate_android.h"
   6
   7 #include "media/cdm/cenc_utils.h"
   8
   9 namespace cdm {
  10
  11 namespace {
  12
  13 const uint8_t kWidevineUuid[16] = {
  14     0xED, 0xEF, 0x8B, 0xA9, 0x79, 0xD6, 0x4A, 0xCE,
  15     0xA3, 0xC8, 0x27, 0xDC, 0xD5, 0x1D, 0x21, 0xED };
  16
  17 }  // namespace
  18
  19 WidevineDrmDelegateAndroid::WidevineDrmDelegateAndroid() {
  20 }
  21
  22 WidevineDrmDelegateAndroid::~WidevineDrmDelegateAndroid() {
  23 }
  24
  25 const std::vector<uint8_t> WidevineDrmDelegateAndroid::GetUUID() const {
  26   return std::vector<uint8_t>(kWidevineUuid,
  27                               kWidevineUuid + arraysize(kWidevineUuid));
  28 }
  29
  30 bool WidevineDrmDelegateAndroid::OnCreateSession(
  31     const media::EmeInitDataType init_data_type,
  32     const std::vector<uint8_t>& init_data,
  33     std::vector<uint8_t>* init_data_out,
  34     std::vector<std::string>* /* optional_parameters_out */) {
  35   if (init_data_type != media::EmeInitDataType::CENC)
  36     return true;
  37
  38   // Widevine MediaDrm plugin only accepts the "data" part of the PSSH box as
  39   // the init data when using MP4 container.
  40   return media::GetPsshData(init_data, GetUUID(), init_data_out);
  41 }
  42
  43 }  // namespace cdm