1 files changed, 103 insertions, 0 deletions
diff --git a/dom/media/webcodecs/EncoderTypes.h b/dom/media/webcodecs/EncoderTypes.h
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+++ b/dom/media/webcodecs/EncoderTypes.h
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+/* -*- 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/. */
+
+#ifndef mozilla_dom_EncoderTypes_h
+#define mozilla_dom_EncoderTypes_h
+
+#include "mozilla/Maybe.h"
+#include "mozilla/dom/EncodedVideoChunk.h"
+#include "mozilla/dom/VideoEncoderBinding.h"
+#include "mozilla/dom/VideoFrame.h"
+#include "mozilla/dom/VideoFrameBinding.h"
+#include "nsStringFwd.h"
+#include "nsTLiteralString.h"
+#include "VideoDecoder.h"
+#include "PlatformEncoderModule.h"
+
+namespace mozilla {
+
+class TrackInfo;
+class MediaByteBuffer;
+
+namespace dom {
+
+class VideoEncoderConfigInternal {
+ public:
+  NS_INLINE_DECL_THREADSAFE_REFCOUNTING(VideoEncoderConfigInternal);
+  explicit VideoEncoderConfigInternal(const VideoEncoderConfig& aConfig);
+  explicit VideoEncoderConfigInternal(
+      const VideoEncoderConfigInternal& aConfig);
+
+  // Returns an EncoderConfig struct with as many filled members as
+  // possible.
+  // TODO: handle codec specific things
+  EncoderConfig ToEncoderConfig() const;
+
+  bool Equals(const VideoEncoderConfigInternal& aOther) const;
+  bool CanReconfigure(const VideoEncoderConfigInternal& aOther) const;
+  already_AddRefed<WebCodecsConfigurationChangeList> Diff(
+      const VideoEncoderConfigInternal& aOther) const;
+  nsString ToString() const;
+
+  nsString mCodec;
+  uint32_t mWidth;
+  uint32_t mHeight;
+  Maybe<uint32_t> mDisplayWidth;
+  Maybe<uint32_t> mDisplayHeight;
+  Maybe<uint32_t> mBitrate;
+  Maybe<double> mFramerate;
+  HardwareAcceleration mHardwareAcceleration;
+  AlphaOption mAlpha;
+  Maybe<nsString> mScalabilityMode;
+  VideoEncoderBitrateMode mBitrateMode;
+  LatencyMode mLatencyMode;
+  Maybe<nsString> mContentHint;
+  Maybe<AvcEncoderConfig> mAvc;
+
+ private:
+  VideoEncoderConfigInternal(
+      const nsAString& aCodec, uint32_t aWidth, uint32_t aHeight,
+      Maybe<uint32_t>&& aDisplayWidth, Maybe<uint32_t>&& aDisplayHeight,
+      Maybe<uint32_t>&& aBitrate, Maybe<double>&& aFramerate,
+      const HardwareAcceleration& aHardwareAcceleration,
+      const AlphaOption& aAlpha, Maybe<nsString>&& aScalabilityMode,
+      const VideoEncoderBitrateMode& aBitrateMode,
+      const LatencyMode& aLatencyMode, Maybe<nsString>&& aContentHint);
+
+  ~VideoEncoderConfigInternal() = default;
+};
+
+class VideoEncoderTraits {
+ public:
+  static constexpr nsLiteralCString Name = "VideoEncoder"_ns;
+  using ConfigType = VideoEncoderConfig;
+  using ConfigTypeInternal = VideoEncoderConfigInternal;
+  using InputType = dom::VideoFrame;
+  using InputTypeInternal = mozilla::VideoData;
+  using OutputConfigType = mozilla::dom::VideoDecoderConfigInternal;
+  using OutputType = EncodedVideoChunk;
+  using OutputCallbackType = EncodedVideoChunkOutputCallback;
+  using MetadataType = EncodedVideoChunkMetadata;
+
+  static bool IsSupported(const ConfigTypeInternal& aConfig);
+  static bool CanEncodeVideo(const ConfigTypeInternal& aConfig);
+  static Result<UniquePtr<TrackInfo>, nsresult> CreateTrackInfo(
+      const ConfigTypeInternal& aConfig);
+  static bool Validate(const ConfigType& aConfig, nsCString& aErrorMessage);
+  static RefPtr<ConfigTypeInternal> CreateConfigInternal(
+      const ConfigType& aConfig);
+  static RefPtr<InputTypeInternal> CreateInputInternal(
+      const InputType& aInput, const VideoEncoderEncodeOptions& aOptions);
+  static already_AddRefed<OutputConfigType> EncoderConfigToDecoderConfig(
+    nsIGlobalObject* aGlobal,
+    const RefPtr<MediaRawData>& aData,
+    const ConfigTypeInternal& mOutputConfig);
+};
+
+}  // namespace dom
+}  // namespace mozilla
+
+#endif  // mozilla_dom_EncoderTypes_h