1 files changed, 94 insertions, 0 deletions
diff --git a/dom/media/platforms/agnostic/gmp/GMPDecoderModule.cpp b/dom/media/platforms/agnostic/gmp/GMPDecoderModule.cpp
new file mode 100644
index 0000000000..a389c9ad0b
--- /dev/null
+++ b/dom/media/platforms/agnostic/gmp/GMPDecoderModule.cpp
@@ -0,0 +1,94 @@
+/* -*- 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 "GMPDecoderModule.h"
+
+#include "DecoderDoctorDiagnostics.h"
+#include "GMPService.h"
+#include "GMPUtils.h"
+#include "GMPVideoDecoder.h"
+#include "MP4Decoder.h"
+#include "MediaDataDecoderProxy.h"
+#include "VPXDecoder.h"
+#include "VideoUtils.h"
+#include "gmp-video-decode.h"
+#include "mozilla/StaticMutex.h"
+#include "nsServiceManagerUtils.h"
+#ifdef XP_WIN
+#  include "WMFDecoderModule.h"
+#endif
+
+namespace mozilla {
+
+static already_AddRefed<MediaDataDecoderProxy> CreateDecoderWrapper(
+    GMPVideoDecoderParams&& aParams) {
+  RefPtr<gmp::GeckoMediaPluginService> s(
+      gmp::GeckoMediaPluginService::GetGeckoMediaPluginService());
+  if (!s) {
+    return nullptr;
+  }
+  nsCOMPtr<nsISerialEventTarget> thread(s->GetGMPThread());
+  if (!thread) {
+    return nullptr;
+  }
+
+  RefPtr<MediaDataDecoderProxy> decoder(new MediaDataDecoderProxy(
+      do_AddRef(new GMPVideoDecoder(std::move(aParams))), thread.forget()));
+  return decoder.forget();
+}
+
+already_AddRefed<MediaDataDecoder> GMPDecoderModule::CreateVideoDecoder(
+    const CreateDecoderParams& aParams) {
+  if (!MP4Decoder::IsH264(aParams.mConfig.mMimeType) &&
+      !VPXDecoder::IsVP8(aParams.mConfig.mMimeType) &&
+      !VPXDecoder::IsVP9(aParams.mConfig.mMimeType)) {
+    return nullptr;
+  }
+
+  return CreateDecoderWrapper(GMPVideoDecoderParams(aParams));
+}
+
+already_AddRefed<MediaDataDecoder> GMPDecoderModule::CreateAudioDecoder(
+    const CreateDecoderParams& aParams) {
+  return nullptr;
+}
+
+/* static */
+media::DecodeSupportSet GMPDecoderModule::SupportsMimeType(
+    const nsACString& aMimeType, const nsACString& aApi,
+    const Maybe<nsCString>& aKeySystem) {
+  AutoTArray<nsCString, 2> tags;
+  if (MP4Decoder::IsH264(aMimeType)) {
+    tags.AppendElement("h264"_ns);
+  } else if (VPXDecoder::IsVP9(aMimeType)) {
+    tags.AppendElement("vp9"_ns);
+  } else if (VPXDecoder::IsVP8(aMimeType)) {
+    tags.AppendElement("vp8"_ns);
+  } else {
+    return media::DecodeSupport::Unsupported;
+  }
+
+  // Optional tag for EME GMP plugins.
+  if (aKeySystem) {
+    tags.AppendElement(*aKeySystem);
+  }
+
+  // GMP plugins are always software based.
+  return HaveGMPFor(aApi, tags) ? media::DecodeSupport::SoftwareDecode
+                                : media::DecodeSupport::Unsupported;
+}
+
+media::DecodeSupportSet GMPDecoderModule::SupportsMimeType(
+    const nsACString& aMimeType, DecoderDoctorDiagnostics* aDiagnostics) const {
+  return SupportsMimeType(aMimeType, "decode-video"_ns, Nothing());
+}
+
+/* static */
+already_AddRefed<PlatformDecoderModule> GMPDecoderModule::Create() {
+  return MakeAndAddRef<GMPDecoderModule>();
+}
+
+}  // namespace mozilla