70 lines
2 KiB
C++
70 lines
2 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim:set ts=2 sw=2 sts=2 et cindent: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#if !defined(WMFAudioOutputSource_h_)
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# define WMFAudioOutputSource_h_
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# include "MFTDecoder.h"
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# include "WMF.h"
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# include "WMFDecoderModule.h"
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# include "WMFMediaDataDecoder.h"
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# include "mozilla/RefPtr.h"
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namespace mozilla {
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class WMFAudioMFTManager : public MFTManager {
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public:
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explicit WMFAudioMFTManager(const AudioInfo& aConfig);
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~WMFAudioMFTManager();
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bool Init();
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HRESULT Input(MediaRawData* aSample) override;
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// Note WMF's AAC decoder sometimes output negatively timestamped samples,
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// presumably they're the preroll samples, and we strip them. We may return
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// a null aOutput in this case.
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HRESULT Output(int64_t aStreamOffset, RefPtr<MediaData>& aOutput) override;
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void Shutdown() override;
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TrackInfo::TrackType GetType() override { return TrackInfo::kAudioTrack; }
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nsCString GetDescriptionName() const override {
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return "wmf audio decoder"_ns;
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}
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nsCString GetCodecName() const override;
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private:
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HRESULT UpdateOutputType();
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bool IsPartialOutput(const media::TimeUnit& aNewOutputDuration,
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const bool aIsRateChangedToHigher) const;
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uint32_t mAudioChannels;
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AudioConfig::ChannelLayout::ChannelMap mChannelsMap;
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uint32_t mAudioRate;
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nsTArray<BYTE> mUserData;
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WMFStreamType mStreamType;
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const GUID& GetMediaSubtypeGUID();
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media::TimeUnit mLastInputTime = media::TimeUnit::Zero();
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media::TimeUnit mLastOutputDuration = media::TimeUnit::Zero();
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bool mFirstFrame = true;
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bool mIsADTS = false;
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uint64_t mTotalMediaFrames = 0;
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uint32_t mEncoderDelay = 0;
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uint32_t mRemainingEncoderDelay = 0;
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};
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} // namespace mozilla
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#endif // WMFAudioOutputSource_h_
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