summaryrefslogtreecommitdiffstats
path: root/dom/media/platforms/apple/AppleATDecoder.h
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--dom/media/platforms/apple/AppleATDecoder.h80
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