1 files changed, 80 insertions, 0 deletions
diff --git a/dom/media/platforms/apple/AppleATDecoder.h b/dom/media/platforms/apple/AppleATDecoder.h
new file mode 100644
index 0000000000..d7aba2aacb
--- /dev/null
+++ b/dom/media/platforms/apple/AppleATDecoder.h
@@ -0,0 +1,80 @@
+/* -*- 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_AppleATDecoder_h
+#define mozilla_AppleATDecoder_h
+
+#include <AudioToolbox/AudioToolbox.h>
+#include "PlatformDecoderModule.h"
+#include "mozilla/Vector.h"
+#include "AudioConverter.h"
+
+namespace mozilla {
+
+class TaskQueue;
+
+DDLoggedTypeDeclNameAndBase(AppleATDecoder, MediaDataDecoder);
+
+class AppleATDecoder final : public MediaDataDecoder,
+                             public DecoderDoctorLifeLogger<AppleATDecoder> {
+ public:
+  NS_INLINE_DECL_THREADSAFE_REFCOUNTING(AppleATDecoder, final);
+
+  explicit AppleATDecoder(const AudioInfo& aConfig);
+
+  RefPtr<InitPromise> Init() override;
+  RefPtr<DecodePromise> Decode(MediaRawData* aSample) override;
+  RefPtr<DecodePromise> Drain() override;
+  RefPtr<FlushPromise> Flush() override;
+  RefPtr<ShutdownPromise> Shutdown() override;
+
+  nsCString GetDescriptionName() const override {
+    return "apple coremedia decoder"_ns;
+  }
+
+  nsCString GetCodecName() const override;
+
+  // Callbacks also need access to the config.
+  const AudioInfo mConfig;
+
+  // Use to extract magic cookie for HE-AAC detection.
+  nsTArray<uint8_t> mMagicCookie;
+  // Will be set to true should an error occurred while attempting to retrieve
+  // the magic cookie property.
+  bool mFileStreamError;
+
+  nsCOMPtr<nsISerialEventTarget> mThread;
+
+ private:
+  ~AppleATDecoder();
+
+  AudioConverterRef mConverter;
+  AudioStreamBasicDescription mOutputFormat;
+  UInt32 mFormatID;
+  AudioFileStreamID mStream;
+  nsTArray<RefPtr<MediaRawData>> mQueuedSamples;
+  UniquePtr<AudioConfig::ChannelLayout> mChannelLayout;
+  UniquePtr<AudioConverter> mAudioConverter;
+  DecodedData mDecodedSamples;
+
+  void ProcessShutdown();
+  MediaResult DecodeSample(MediaRawData* aSample);
+  MediaResult GetInputAudioDescription(AudioStreamBasicDescription& aDesc,
+                                       const nsTArray<uint8_t>& aExtraData);
+  // Setup AudioConverter once all information required has been gathered.
+  // Will return NS_ERROR_NOT_INITIALIZED if more data is required.
+  MediaResult SetupDecoder(MediaRawData* aSample);
+  nsresult GetImplicitAACMagicCookie(const MediaRawData* aSample);
+  nsresult SetupChannelLayout();
+  uint32_t mParsedFramesForAACMagicCookie;
+  uint32_t mEncoderDelay = 0;
+  uint64_t mTotalMediaFrames = 0;
+  bool mErrored;
+};
+
+}  // namespace mozilla
+
+#endif  // mozilla_AppleATDecoder_h