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-rw-r--r--dom/media/ipc/RemoteDecodeUtils.cpp103
1 files changed, 103 insertions, 0 deletions
diff --git a/dom/media/ipc/RemoteDecodeUtils.cpp b/dom/media/ipc/RemoteDecodeUtils.cpp
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+++ b/dom/media/ipc/RemoteDecodeUtils.cpp
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+/* 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 "RemoteDecodeUtils.h"
+#include "mozilla/ipc/UtilityProcessChild.h"
+
+namespace mozilla {
+
+using SandboxingKind = ipc::SandboxingKind;
+
+SandboxingKind GetCurrentSandboxingKind() {
+ MOZ_ASSERT(XRE_IsUtilityProcess());
+ return ipc::UtilityProcessChild::GetSingleton()->mSandbox;
+}
+
+SandboxingKind GetSandboxingKindFromLocation(RemoteDecodeIn aLocation) {
+ switch (aLocation) {
+ case RemoteDecodeIn::UtilityProcess_Generic:
+ return SandboxingKind::GENERIC_UTILITY;
+#ifdef MOZ_APPLEMEDIA
+ case RemoteDecodeIn::UtilityProcess_AppleMedia:
+ return SandboxingKind::UTILITY_AUDIO_DECODING_APPLE_MEDIA;
+ break;
+#endif
+#ifdef XP_WIN
+ case RemoteDecodeIn::UtilityProcess_WMF:
+ return SandboxingKind::UTILITY_AUDIO_DECODING_WMF;
+#endif
+#ifdef MOZ_WMF_MEDIA_ENGINE
+ case RemoteDecodeIn::UtilityProcess_MFMediaEngineCDM:
+ return SandboxingKind::MF_MEDIA_ENGINE_CDM;
+#endif
+ default:
+ MOZ_ASSERT_UNREACHABLE("Unsupported RemoteDecodeIn");
+ return SandboxingKind::COUNT;
+ }
+}
+
+RemoteDecodeIn GetRemoteDecodeInFromKind(SandboxingKind aKind) {
+ switch (aKind) {
+ case SandboxingKind::GENERIC_UTILITY:
+ return RemoteDecodeIn::UtilityProcess_Generic;
+#ifdef MOZ_APPLEMEDIA
+ case SandboxingKind::UTILITY_AUDIO_DECODING_APPLE_MEDIA:
+ return RemoteDecodeIn::UtilityProcess_AppleMedia;
+#endif
+#ifdef XP_WIN
+ case SandboxingKind::UTILITY_AUDIO_DECODING_WMF:
+ return RemoteDecodeIn::UtilityProcess_WMF;
+#endif
+#ifdef MOZ_WMF_MEDIA_ENGINE
+ case SandboxingKind::MF_MEDIA_ENGINE_CDM:
+ return RemoteDecodeIn::UtilityProcess_MFMediaEngineCDM;
+#endif
+ default:
+ MOZ_ASSERT_UNREACHABLE("Unsupported SandboxingKind");
+ return RemoteDecodeIn::Unspecified;
+ }
+}
+
+RemoteDecodeIn GetRemoteDecodeInFromVideoBridgeSource(
+ layers::VideoBridgeSource aSource) {
+ switch (aSource) {
+ case layers::VideoBridgeSource::RddProcess:
+ return RemoteDecodeIn::RddProcess;
+ case layers::VideoBridgeSource::GpuProcess:
+ return RemoteDecodeIn::GpuProcess;
+ case layers::VideoBridgeSource::MFMediaEngineCDMProcess:
+ return RemoteDecodeIn::UtilityProcess_MFMediaEngineCDM;
+ default:
+ MOZ_ASSERT_UNREACHABLE("Unsupported VideoBridgeSource");
+ return RemoteDecodeIn::Unspecified;
+ }
+}
+
+const char* RemoteDecodeInToStr(RemoteDecodeIn aLocation) {
+ switch (aLocation) {
+ case RemoteDecodeIn::RddProcess:
+ return "RDD";
+ case RemoteDecodeIn::GpuProcess:
+ return "GPU";
+ case RemoteDecodeIn::UtilityProcess_Generic:
+ return "Utility Generic";
+#ifdef MOZ_APPLEMEDIA
+ case RemoteDecodeIn::UtilityProcess_AppleMedia:
+ return "Utility AppleMedia";
+#endif
+#ifdef XP_WIN
+ case RemoteDecodeIn::UtilityProcess_WMF:
+ return "Utility WMF";
+#endif
+#ifdef MOZ_WMF_MEDIA_ENGINE
+ case RemoteDecodeIn::UtilityProcess_MFMediaEngineCDM:
+ return "Utility MF Media Engine CDM";
+#endif
+ default:
+ MOZ_ASSERT_UNREACHABLE("Unsupported RemoteDecodeIn");
+ return "Unknown";
+ }
+}
+
+} // namespace mozilla