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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/. */
#ifndef WMFMediaDataEncoder_h_
#define WMFMediaDataEncoder_h_
#include "MFTEncoder.h"
#include "PlatformEncoderModule.h"
#include "WMFDataEncoderUtils.h"
#include "WMFUtils.h"
#include <comdef.h>
#include "mozilla/WindowsProcessMitigations.h"
namespace mozilla {
class WMFMediaDataEncoder final : public MediaDataEncoder {
public:
WMFMediaDataEncoder(const EncoderConfig& aConfig,
const RefPtr<TaskQueue>& aTaskQueue);
RefPtr<InitPromise> Init() override;
RefPtr<EncodePromise> Encode(const MediaData* aSample) override;
RefPtr<EncodePromise> Drain() override;
RefPtr<ShutdownPromise> Shutdown() override;
RefPtr<GenericPromise> SetBitrate(uint32_t aBitsPerSec) override;
RefPtr<ReconfigurationPromise> Reconfigure(
const RefPtr<const EncoderConfigurationChangeList>& aConfigurationChanges)
override;
nsCString GetDescriptionName() const override;
private:
// Automatically lock/unlock IMFMediaBuffer.
class LockBuffer final {
public:
explicit LockBuffer(RefPtr<IMFMediaBuffer>& aBuffer) : mBuffer(aBuffer) {
mResult = mBuffer->Lock(&mBytes, &mCapacity, &mLength);
}
~LockBuffer() {
if (SUCCEEDED(mResult)) {
mBuffer->Unlock();
}
}
BYTE* Data() { return mBytes; }
DWORD Capacity() { return mCapacity; }
DWORD Length() { return mLength; }
HRESULT Result() { return mResult; }
private:
RefPtr<IMFMediaBuffer> mBuffer;
BYTE* mBytes{};
DWORD mCapacity{};
DWORD mLength{};
HRESULT mResult{};
};
RefPtr<InitPromise> ProcessInit();
HRESULT InitMFTEncoder(RefPtr<MFTEncoder>& aEncoder);
void FillConfigData();
RefPtr<EncodePromise> ProcessEncode(RefPtr<const VideoData>&& aSample);
already_AddRefed<IMFSample> ConvertToNV12InputSample(
RefPtr<const VideoData>&& aData);
RefPtr<EncodePromise> ProcessOutputSamples(
nsTArray<RefPtr<IMFSample>>& aSamples);
already_AddRefed<MediaRawData> IMFSampleToMediaData(
RefPtr<IMFSample>& aSample);
bool WriteFrameData(RefPtr<MediaRawData>& aDest, LockBuffer& aSrc,
bool aIsKeyframe);
void AssertOnTaskQueue() { MOZ_ASSERT(mTaskQueue->IsCurrentThreadIn()); }
EncoderConfig mConfig;
const RefPtr<TaskQueue> mTaskQueue;
const bool mHardwareNotAllowed;
RefPtr<MFTEncoder> mEncoder;
// SPS/PPS NALUs for realtime usage, avcC otherwise.
RefPtr<MediaByteBuffer> mConfigData;
};
} // namespace mozilla
#endif
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