summaryrefslogtreecommitdiffstats
path: root/dom/media/platforms/PDMFactory.h
diff options
context:
space:
mode:
Diffstat (limited to 'dom/media/platforms/PDMFactory.h')
-rw-r--r--dom/media/platforms/PDMFactory.h84
1 files changed, 84 insertions, 0 deletions
diff --git a/dom/media/platforms/PDMFactory.h b/dom/media/platforms/PDMFactory.h
new file mode 100644
index 000000000..94be7e928
--- /dev/null
+++ b/dom/media/platforms/PDMFactory.h
@@ -0,0 +1,84 @@
+/* -*- 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/. */
+
+#if !defined(PDMFactory_h_)
+#define PDMFactory_h_
+
+#include "PlatformDecoderModule.h"
+#include "mozilla/Function.h"
+#include "mozilla/StaticMutex.h"
+
+class CDMProxy;
+
+namespace mozilla {
+
+class DecoderDoctorDiagnostics;
+class PDMFactoryImpl;
+template<class T> class StaticAutoPtr;
+
+class PDMFactory final {
+public:
+ NS_INLINE_DECL_THREADSAFE_REFCOUNTING(PDMFactory)
+
+ PDMFactory();
+
+ // Factory method that creates the appropriate PlatformDecoderModule for
+ // the platform we're running on. Caller is responsible for deleting this
+ // instance. It's expected that there will be multiple
+ // PlatformDecoderModules alive at the same time.
+ // This is called on the decode task queue.
+ already_AddRefed<MediaDataDecoder>
+ CreateDecoder(const CreateDecoderParams& aParams);
+
+ bool SupportsMimeType(const nsACString& aMimeType,
+ DecoderDoctorDiagnostics* aDiagnostics) const;
+ bool Supports(const TrackInfo& aTrackInfo,
+ DecoderDoctorDiagnostics* aDiagnostics) const;
+
+ // Creates a PlatformDecoderModule that uses a CDMProxy to decrypt or
+ // decrypt-and-decode EME encrypted content. If the CDM only decrypts and
+ // does not decode, we create a PDM and use that to create MediaDataDecoders
+ // that we use on on aTaskQueue to decode the decrypted stream.
+ // This is called on the decode task queue.
+ void SetCDMProxy(CDMProxy* aProxy);
+
+ static constexpr int kYUV400 = 0;
+ static constexpr int kYUV420 = 1;
+ static constexpr int kYUV422 = 2;
+ static constexpr int kYUV444 = 3;
+
+private:
+ virtual ~PDMFactory();
+ void CreatePDMs();
+ void CreateBlankPDM();
+ // Startup the provided PDM and add it to our list if successful.
+ bool StartupPDM(PlatformDecoderModule* aPDM);
+ // Returns the first PDM in our list supporting the mimetype.
+ already_AddRefed<PlatformDecoderModule>
+ GetDecoder(const TrackInfo& aTrackInfo,
+ DecoderDoctorDiagnostics* aDiagnostics) const;
+
+ already_AddRefed<MediaDataDecoder>
+ CreateDecoderWithPDM(PlatformDecoderModule* aPDM,
+ const CreateDecoderParams& aParams);
+
+ nsTArray<RefPtr<PlatformDecoderModule>> mCurrentPDMs;
+ RefPtr<PlatformDecoderModule> mEMEPDM;
+ RefPtr<PlatformDecoderModule> mBlankPDM;
+
+ bool mWMFFailedToLoad = false;
+ bool mFFmpegFailedToLoad = false;
+ bool mGMPPDMFailedToStartup = false;
+
+ void EnsureInit() const;
+ template<class T> friend class StaticAutoPtr;
+ static StaticAutoPtr<PDMFactoryImpl> sInstance;
+ static StaticMutex sMonitor;
+};
+
+} // namespace mozilla
+
+#endif /* PDMFactory_h_ */