1 files changed, 51 insertions, 0 deletions
diff --git a/dom/media/platforms/wmf/MFMediaEngineAudioStream.h b/dom/media/platforms/wmf/MFMediaEngineAudioStream.h
new file mode 100644
index 0000000000..14a72b9f63
--- /dev/null
+++ b/dom/media/platforms/wmf/MFMediaEngineAudioStream.h
@@ -0,0 +1,51 @@
+/* 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/. */
+
+#ifndef DOM_MEDIA_PLATFORM_WMF_MFMEDIAENGINEAUDIOSTREAM_H
+#define DOM_MEDIA_PLATFORM_WMF_MFMEDIAENGINEAUDIOSTREAM_H
+
+#include "MFMediaEngineStream.h"
+
+namespace mozilla {
+
+class MFMediaSource;
+
+class MFMediaEngineAudioStream final : public MFMediaEngineStream {
+ public:
+  MFMediaEngineAudioStream() = default;
+
+  static MFMediaEngineAudioStream* Create(uint64_t aStreamId,
+                                          const TrackInfo& aInfo,
+                                          MFMediaSource* aParentSource);
+
+  nsCString GetDescriptionName() const override {
+    return "media engine audio stream"_ns;
+  }
+
+  nsCString GetCodecName() const override;
+
+  TrackInfo::TrackType TrackType() override {
+    return TrackInfo::TrackType::kAudioTrack;
+  }
+
+  bool IsEncrypted() const override;
+
+ private:
+  HRESULT CreateMediaType(const TrackInfo& aInfo,
+                          IMFMediaType** aMediaType) override;
+
+  bool HasEnoughRawData() const override;
+
+  already_AddRefed<MediaData> OutputDataInternal() override;
+
+  // For MF_MT_USER_DATA. Currently only used for AAC.
+  nsTArray<BYTE> mAACUserData;
+
+  // Set when `CreateMediaType()` is called.
+  AudioInfo mAudioInfo;
+};
+
+}  // namespace mozilla
+
+#endif  // DOM_MEDIA_PLATFORM_WMF_MFMEDIAENGINEAUDIOSTREAM_H