Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 213 insertions, 0 deletions

diff --git a/dom/media/eme/KeySystemConfig.cpp b/dom/media/eme/KeySystemConfig.cpp
new file mode 100644
index 0000000000..b8eacc7f9d
--- /dev/null
+++ b/dom/media/eme/KeySystemConfig.cpp
@@ -0,0 +1,213 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim:set ts=2 sw=2 sts=2 et cindent: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "KeySystemConfig.h"
+
+#include "EMEUtils.h"
+#include "GMPUtils.h"
+#include "KeySystemNames.h"
+#include "mozilla/StaticPrefs_media.h"
+
+#ifdef XP_WIN
+#  include "WMFDecoderModule.h"
+#endif
+#ifdef MOZ_WIDGET_ANDROID
+#  include "AndroidDecoderModule.h"
+#  include "mozilla/java/MediaDrmProxyWrappers.h"
+#  include "nsMimeTypes.h"
+#endif
+
+#ifdef MOZ_WMF_CDM
+#  include "mediafoundation/WMFCDMImpl.h"
+#endif
+
+namespace mozilla {
+
+/* static */
+bool KeySystemConfig::Supports(const nsAString& aKeySystem) {
+  nsCString api = nsLiteralCString(CHROMIUM_CDM_API);
+  nsCString name = NS_ConvertUTF16toUTF8(aKeySystem);
+
+  if (HaveGMPFor(api, {name})) {
+    return true;
+  }
+#ifdef MOZ_WIDGET_ANDROID
+  // Check if we can use MediaDrm for this keysystem.
+  if (mozilla::java::MediaDrmProxy::IsSchemeSupported(name)) {
+    return true;
+  }
+#endif
+#if MOZ_WMF_CDM
+  if (IsPlayReadyKeySystemAndSupported(aKeySystem) &&
+      WMFCDMImpl::Supports(aKeySystem)) {
+    return true;
+  }
+#endif
+  return false;
+}
+
+/* static */
+bool KeySystemConfig::GetConfig(const nsAString& aKeySystem,
+                                KeySystemConfig& aConfig) {
+  if (!Supports(aKeySystem)) {
+    return false;
+  }
+
+  if (IsClearkeyKeySystem(aKeySystem)) {
+    aConfig.mKeySystem = aKeySystem;
+    aConfig.mInitDataTypes.AppendElement(u"cenc"_ns);
+    aConfig.mInitDataTypes.AppendElement(u"keyids"_ns);
+    aConfig.mInitDataTypes.AppendElement(u"webm"_ns);
+    aConfig.mPersistentState = Requirement::Optional;
+    aConfig.mDistinctiveIdentifier = Requirement::NotAllowed;
+    aConfig.mSessionTypes.AppendElement(SessionType::Temporary);
+    aConfig.mEncryptionSchemes.AppendElement(u"cenc"_ns);
+    aConfig.mEncryptionSchemes.AppendElement(u"cbcs"_ns);
+    aConfig.mEncryptionSchemes.AppendElement(u"cbcs-1-9"_ns);
+    if (StaticPrefs::media_clearkey_persistent_license_enabled()) {
+      aConfig.mSessionTypes.AppendElement(SessionType::PersistentLicense);
+    }
+#if defined(XP_WIN)
+    // Clearkey CDM uses WMF's H.264 decoder on Windows.
+    if (WMFDecoderModule::CanCreateMFTDecoder(WMFStreamType::H264)) {
+      aConfig.mMP4.SetCanDecryptAndDecode(EME_CODEC_H264);
+    } else {
+      aConfig.mMP4.SetCanDecrypt(EME_CODEC_H264);
+    }
+#else
+    aConfig.mMP4.SetCanDecrypt(EME_CODEC_H264);
+#endif
+    aConfig.mMP4.SetCanDecrypt(EME_CODEC_AAC);
+    aConfig.mMP4.SetCanDecrypt(EME_CODEC_FLAC);
+    aConfig.mMP4.SetCanDecrypt(EME_CODEC_OPUS);
+    aConfig.mMP4.SetCanDecrypt(EME_CODEC_VP9);
+    aConfig.mWebM.SetCanDecrypt(EME_CODEC_VORBIS);
+    aConfig.mWebM.SetCanDecrypt(EME_CODEC_OPUS);
+    aConfig.mWebM.SetCanDecrypt(EME_CODEC_VP8);
+    aConfig.mWebM.SetCanDecrypt(EME_CODEC_VP9);
+    return true;
+  }
+  if (IsWidevineKeySystem(aKeySystem)) {
+    aConfig.mKeySystem = aKeySystem;
+    aConfig.mInitDataTypes.AppendElement(u"cenc"_ns);
+    aConfig.mInitDataTypes.AppendElement(u"keyids"_ns);
+    aConfig.mInitDataTypes.AppendElement(u"webm"_ns);
+    aConfig.mPersistentState = Requirement::Optional;
+    aConfig.mDistinctiveIdentifier = Requirement::NotAllowed;
+    aConfig.mSessionTypes.AppendElement(SessionType::Temporary);
+#ifdef MOZ_WIDGET_ANDROID
+    aConfig.mSessionTypes.AppendElement(SessionType::PersistentLicense);
+#endif
+    aConfig.mAudioRobustness.AppendElement(u"SW_SECURE_CRYPTO"_ns);
+    aConfig.mVideoRobustness.AppendElement(u"SW_SECURE_CRYPTO"_ns);
+    aConfig.mVideoRobustness.AppendElement(u"SW_SECURE_DECODE"_ns);
+    aConfig.mEncryptionSchemes.AppendElement(u"cenc"_ns);
+    aConfig.mEncryptionSchemes.AppendElement(u"cbcs"_ns);
+    aConfig.mEncryptionSchemes.AppendElement(u"cbcs-1-9"_ns);
+
+#if defined(MOZ_WIDGET_ANDROID)
+    // MediaDrm.isCryptoSchemeSupported only allows passing
+    // "video/mp4" or "video/webm" for mimetype string.
+    // See
+    // https://developer.android.com/reference/android/media/MediaDrm.html#isCryptoSchemeSupported(java.util.UUID,
+    // java.lang.String) for more detail.
+    typedef struct {
+      const nsCString& mMimeType;
+      const nsCString& mEMECodecType;
+      const char16_t* mCodecType;
+      KeySystemConfig::ContainerSupport* mSupportType;
+    } DataForValidation;
+
+    DataForValidation validationList[] = {
+        {nsCString(VIDEO_MP4), EME_CODEC_H264, java::MediaDrmProxy::AVC,
+         &aConfig.mMP4},
+        {nsCString(VIDEO_MP4), EME_CODEC_VP9, java::MediaDrmProxy::AVC,
+         &aConfig.mMP4},
+        {nsCString(AUDIO_MP4), EME_CODEC_AAC, java::MediaDrmProxy::AAC,
+         &aConfig.mMP4},
+        {nsCString(AUDIO_MP4), EME_CODEC_FLAC, java::MediaDrmProxy::FLAC,
+         &aConfig.mMP4},
+        {nsCString(AUDIO_MP4), EME_CODEC_OPUS, java::MediaDrmProxy::OPUS,
+         &aConfig.mMP4},
+        {nsCString(VIDEO_WEBM), EME_CODEC_VP8, java::MediaDrmProxy::VP8,
+         &aConfig.mWebM},
+        {nsCString(VIDEO_WEBM), EME_CODEC_VP9, java::MediaDrmProxy::VP9,
+         &aConfig.mWebM},
+        {nsCString(AUDIO_WEBM), EME_CODEC_VORBIS, java::MediaDrmProxy::VORBIS,
+         &aConfig.mWebM},
+        {nsCString(AUDIO_WEBM), EME_CODEC_OPUS, java::MediaDrmProxy::OPUS,
+         &aConfig.mWebM},
+    };
+
+    for (const auto& data : validationList) {
+      if (java::MediaDrmProxy::IsCryptoSchemeSupported(kWidevineKeySystemName,
+                                                       data.mMimeType)) {
+        if (AndroidDecoderModule::SupportsMimeType(data.mMimeType) !=
+            media::DecodeSupport::Unsupported) {
+          data.mSupportType->SetCanDecryptAndDecode(data.mEMECodecType);
+        } else {
+          data.mSupportType->SetCanDecrypt(data.mEMECodecType);
+        }
+      }
+    }
+#else
+#  if defined(XP_WIN)
+    // Widevine CDM doesn't include an AAC decoder. So if WMF can't
+    // decode AAC, and a codec wasn't specified, be conservative
+    // and reject the MediaKeys request, since we assume Widevine
+    // will be used with AAC.
+    if (WMFDecoderModule::CanCreateMFTDecoder(WMFStreamType::AAC)) {
+      aConfig.mMP4.SetCanDecrypt(EME_CODEC_AAC);
+    }
+#  else
+    aConfig.mMP4.SetCanDecrypt(EME_CODEC_AAC);
+#  endif
+    aConfig.mMP4.SetCanDecrypt(EME_CODEC_FLAC);
+    aConfig.mMP4.SetCanDecrypt(EME_CODEC_OPUS);
+    aConfig.mMP4.SetCanDecryptAndDecode(EME_CODEC_H264);
+    aConfig.mMP4.SetCanDecryptAndDecode(EME_CODEC_VP9);
+    aConfig.mWebM.SetCanDecrypt(EME_CODEC_VORBIS);
+    aConfig.mWebM.SetCanDecrypt(EME_CODEC_OPUS);
+    aConfig.mWebM.SetCanDecryptAndDecode(EME_CODEC_VP8);
+    aConfig.mWebM.SetCanDecryptAndDecode(EME_CODEC_VP9);
+#endif
+    return true;
+  }
+#ifdef MOZ_WMF_CDM
+  if (IsPlayReadyKeySystemAndSupported(aKeySystem)) {
+    RefPtr<WMFCDMImpl> cdm = MakeRefPtr<WMFCDMImpl>(aKeySystem);
+    return cdm->GetCapabilities(aConfig);
+  }
+#endif
+  return false;
+}
+
+KeySystemConfig::SessionType ConvertToKeySystemConfigSessionType(
+    dom::MediaKeySessionType aType) {
+  switch (aType) {
+    case dom::MediaKeySessionType::Temporary:
+      return KeySystemConfig::SessionType::Temporary;
+    case dom::MediaKeySessionType::Persistent_license:
+      return KeySystemConfig::SessionType::PersistentLicense;
+    default:
+      MOZ_ASSERT_UNREACHABLE("Invalid session type");
+      return KeySystemConfig::SessionType::Temporary;
+  }
+}
+
+const char* SessionTypeToStr(KeySystemConfig::SessionType aType) {
+  switch (aType) {
+    case KeySystemConfig::SessionType::Temporary:
+      return "Temporary";
+    case KeySystemConfig::SessionType::PersistentLicense:
+      return "PersistentLicense";
+    default:
+      MOZ_ASSERT_UNREACHABLE("Invalid session type");
+      return "Invalid";
+  }
+}
+
+}  // namespace mozilla