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--HG-- rename : content/media/fmp4/wmf/WMFAudioDecoder.cpp => content/media/fmp4/wmf/WMFAudioOutputSource.cpp rename : content/media/fmp4/wmf/WMFAudioDecoder.h => content/media/fmp4/wmf/WMFAudioOutputSource.h rename : content/media/fmp4/wmf/WMFVideoDecoder.cpp => content/media/fmp4/wmf/WMFVideoOutputSource.cpp rename : content/media/fmp4/wmf/WMFVideoDecoder.h => content/media/fmp4/wmf/WMFVideoOutputSource.h
101 lines
3.3 KiB
C++
101 lines
3.3 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(MFTDecoder_h_)
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#define MFTDecoder_h_
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#include "WMF.h"
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#include "mozilla/RefPtr.h"
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#include "mozilla/ReentrantMonitor.h"
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#include "nsIThread.h"
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namespace mozilla {
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class MFTDecoder : public AtomicRefCounted<MFTDecoder> {
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public:
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MFTDecoder();
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~MFTDecoder();
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// Creates the MFT. First thing to do as part of setup.
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//
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// Params:
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// - aMFTClsID the clsid used by CoCreateInstance to instantiate the
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// decoder MFT.
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HRESULT Create(const GUID& aMFTClsID);
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// Sets the input and output media types. Call after Init().
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//
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// Params:
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// - aInputType needs at least major and minor types set.
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// - aOutputSubType is the minor type of the same major type e.g.
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// MFVideoFormat_H264. This is used to select the output type out
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// of all the available output types of the MFT.
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HRESULT SetMediaTypes(IMFMediaType* aInputType,
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const GUID& aOutputSubType);
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// Returns the MFT's IMFAttributes object.
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TemporaryRef<IMFAttributes> GetAttributes();
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// Retrieves the media type being output. This may not be valid until
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// the first sample is decoded.
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HRESULT GetOutputMediaType(RefPtr<IMFMediaType>& aMediaType);
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// Submits data into the MFT for processing.
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//
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// Returns:
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// - MF_E_NOTACCEPTING if the decoder can't accept input. The data
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// must be resubmitted after Output() stops producing output.
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HRESULT Input(const uint8_t* aData,
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uint32_t aDataSize,
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int64_t aTimestampUsecs);
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// Retrieves output from the MFT. Call this once Input() returns
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// MF_E_NOTACCEPTING. Some MFTs with hardware acceleration (the H.264
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// decoder MFT in particular) can't handle it if clients hold onto
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// references to the output IMFSample, so don't do that.
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//
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// Returns:
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// - MF_E_TRANSFORM_STREAM_CHANGE if the underlying stream output
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// type changed. Retrieve the output media type and reconfig client,
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// else you may misinterpret the MFT's output.
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// - MF_E_TRANSFORM_NEED_MORE_INPUT if no output can be produced
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// due to lack of input.
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// - S_OK if an output frame is produced.
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HRESULT Output(RefPtr<IMFSample>* aOutput);
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// Sends a flush message to the MFT. This causes it to discard all
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// input data. Use before seeking.
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HRESULT Flush();
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// Sends a message to the MFT.
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HRESULT SendMFTMessage(MFT_MESSAGE_TYPE aMsg, UINT32 aData);
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private:
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HRESULT SetDecoderOutputType();
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HRESULT CreateInputSample(const uint8_t* aData,
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uint32_t aDataSize,
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int64_t aTimestampUsecs,
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RefPtr<IMFSample>* aOutSample);
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HRESULT CreateOutputSample(RefPtr<IMFSample>* aOutSample);
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MFT_INPUT_STREAM_INFO mInputStreamInfo;
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MFT_OUTPUT_STREAM_INFO mOutputStreamInfo;
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RefPtr<IMFTransform> mDecoder;
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GUID mOutputSubtype;
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// True if the IMFTransform allocates the samples that it returns.
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bool mMFTProvidesOutputSamples;
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};
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} // namespace mozilla
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#endif
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