1 files changed, 75 insertions, 0 deletions
diff --git a/dom/media/directshow/SourceFilter.h b/dom/media/directshow/SourceFilter.h
new file mode 100644
index 000000000..d5ce2770e
--- /dev/null
+++ b/dom/media/directshow/SourceFilter.h
@@ -0,0 +1,75 @@
+/* -*- 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(nsDirectShowSource_h___)
+#define nsDirectShowSource_h___
+
+#include "BaseFilter.h"
+#include "BasePin.h"
+#include "MediaType.h"
+
+#include "nsDeque.h"
+#include "nsAutoPtr.h"
+#include "DirectShowUtils.h"
+#include "mozilla/RefPtr.h"
+
+namespace mozilla {
+
+class MediaResource;
+class OutputPin;
+
+
+// SourceFilter is an asynchronous DirectShow source filter which
+// reads from an MediaResource, and supplies data via a pull model downstream
+// using OutputPin. It us used to supply a generic byte stream into
+// DirectShow.
+//
+// Implements:
+//  * IBaseFilter
+//  * IMediaFilter
+//  * IPersist
+//  * IUnknown
+//
+class DECLSPEC_UUID("5c2a7ad0-ba82-4659-9178-c4719a2765d6")
+SourceFilter : public media::BaseFilter
+{
+public:
+
+  // Constructs source filter to deliver given media type.
+  SourceFilter(const GUID& aMajorType, const GUID& aSubType);
+  ~SourceFilter();
+
+  nsresult Init(MediaResource *aResource, int64_t aMP3Offset);
+
+  // BaseFilter overrides.
+  // Only one output - the byte stream.
+  int GetPinCount() override { return 1; }
+
+  media::BasePin* GetPin(int n) override;
+
+  // Get's the media type we're supplying.
+  const media::MediaType* GetMediaType() const;
+
+  uint32_t GetAndResetBytesConsumedCount();
+
+protected:
+
+  // Our async pull output pin.
+  nsAutoPtr<OutputPin> mOutputPin;
+
+  // Type of byte stream we output.
+  media::MediaType mMediaType;
+
+};
+
+} // namespace mozilla
+
+// For mingw __uuidof support
+#ifdef __CRT_UUID_DECL
+__CRT_UUID_DECL(mozilla::SourceFilter, 0x5c2a7ad0,0xba82,0x4659,0x91,0x78,0xc4,0x71,0x9a,0x27,0x65,0xd6);
+#endif
+
+#endif