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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/. */
#if !defined(WMFAudioOutputSource_h_)
# define WMFAudioOutputSource_h_
# include "MFTDecoder.h"
# include "WMF.h"
# include "WMFDecoderModule.h"
# include "WMFMediaDataDecoder.h"
# include "mozilla/RefPtr.h"
namespace mozilla {
class WMFAudioMFTManager : public MFTManager {
public:
explicit WMFAudioMFTManager(const AudioInfo& aConfig);
~WMFAudioMFTManager();
bool Init();
HRESULT Input(MediaRawData* aSample) override;
// Note WMF's AAC decoder sometimes output negatively timestamped samples,
// presumably they're the preroll samples, and we strip them. We may return
// a null aOutput in this case.
HRESULT Output(int64_t aStreamOffset, RefPtr<MediaData>& aOutput) override;
void Shutdown() override;
TrackInfo::TrackType GetType() override { return TrackInfo::kAudioTrack; }
nsCString GetDescriptionName() const override {
return "wmf audio decoder"_ns;
}
nsCString GetCodecName() const override;
private:
HRESULT UpdateOutputType();
bool IsPartialOutput(const media::TimeUnit& aNewOutputDuration,
const bool aIsRateChangedToHigher) const;
uint32_t mAudioChannels;
AudioConfig::ChannelLayout::ChannelMap mChannelsMap;
uint32_t mAudioRate;
nsTArray<BYTE> mUserData;
WMFStreamType mStreamType;
const GUID& GetMediaSubtypeGUID();
media::TimeUnit mLastInputTime = media::TimeUnit::Zero();
media::TimeUnit mLastOutputDuration = media::TimeUnit::Zero();
bool mFirstFrame = true;
uint64_t mTotalMediaFrames = 0;
uint32_t mEncoderDelay = 0;
uint32_t mRemainingEncoderDelay = 0;
};
} // namespace mozilla
#endif // WMFAudioOutputSource_h_
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