mirror of
https://github.com/gnif/LookingGlass.git
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453 lines
12 KiB
C++
453 lines
12 KiB
C++
/*
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Looking Glass - KVM FrameRelay (KVMFR) Client
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Copyright (C) 2017-2019 Geoffrey McRae <geoff@hostfission.com>
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https://looking-glass.hostfission.com
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This program is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free Software
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Foundation; either version 2 of the License, or (at your option) any later
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version.
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This program is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
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PARTICULAR PURPOSE. See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along with
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this program; if not, write to the Free Software Foundation, Inc., 59 Temple
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Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "MFT/H264.h"
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#include "common/debug.h"
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#include "common/memcpySSE.h"
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#include <mfapi.h>
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#include <mfidl.h>
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#include <mfreadwrite.h>
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#include <wmcodecdsp.h>
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#include <codecapi.h>
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#include <mferror.h>
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#include <evr.h>
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using namespace MFT;
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#if __MINGW32__
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EXTERN_GUID(MF_READWRITE_ENABLE_HARDWARE_TRANSFORMS, 0xa634a91c, 0x822b, 0x41b9, 0xa4, 0x94, 0x4d, 0xe4, 0x64, 0x36, 0x12, 0xb0);
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EXTERN_GUID(MF_SOURCE_READER_ENABLE_ADVANCED_VIDEO_PROCESSING, 0xf81da2c, 0xb537, 0x4672, 0xa8, 0xb2, 0xa6, 0x81, 0xb1, 0x73, 0x07, 0xa3);
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EXTERN_GUID(MF_SA_D3D11_AWARE, 0x206b4fc8, 0xfcf9, 0x4c51, 0xaf, 0xe3, 0x97, 0x64, 0x36, 0x9e, 0x33, 0xa0);
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#define METransformUnknown 600
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#define METransformNeedInput 601
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#define METransformHaveOutput 602
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#define METransformDrainComplete 603
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#define METransformMarker 604
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#endif
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MFT::H264::H264() :
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m_cRef(1)
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{
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MFStartup(MF_VERSION);
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}
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MFT::H264::~H264()
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{
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DeInitialize();
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}
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bool MFT::H264::Initialize(ID3D11DevicePtr device, unsigned int width, unsigned int height)
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{
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DeInitialize();
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HRESULT status;
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MFT_REGISTER_TYPE_INFO typeInfo;
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IMFActivate **activationPointers;
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UINT32 activationPointerCount;
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m_device = device;
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m_width = width;
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m_height = height;
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m_encodeEvent = CreateEvent(NULL, TRUE , FALSE, NULL);
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m_shutdownEvent = CreateEvent(NULL, FALSE, FALSE, NULL);
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InitializeCriticalSection(&m_encodeCS);
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ID3D10MultithreadPtr mt(m_device);
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mt->SetMultithreadProtected(TRUE);
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mt = NULL;
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typeInfo.guidMajorType = MFMediaType_Video;
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typeInfo.guidSubtype = MFVideoFormat_H264;
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status = MFTEnumEx(
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MFT_CATEGORY_VIDEO_ENCODER,
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MFT_ENUM_FLAG_HARDWARE,
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NULL,
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&typeInfo,
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&activationPointers,
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&activationPointerCount
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);
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if (FAILED(status))
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{
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DEBUG_WINERROR("Failed to enumerate encoder MFTs", status);
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return false;
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}
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if (activationPointerCount == 0)
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{
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DEBUG_WINERROR("Hardware H264 MFT not available", status);
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return false;
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}
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{
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UINT32 nameLen = 0;
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activationPointers[0]->GetStringLength(MFT_FRIENDLY_NAME_Attribute, &nameLen);
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wchar_t * name = new wchar_t[nameLen + 1];
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activationPointers[0]->GetString(MFT_FRIENDLY_NAME_Attribute, name, nameLen + 1, NULL);
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DEBUG_INFO("Using Encoder: %S", name);
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delete[] name;
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}
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m_mfActivation = activationPointers[0];
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CoTaskMemFree(activationPointers);
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status = m_mfActivation->ActivateObject(IID_PPV_ARGS(&m_mfTransform));
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if (FAILED(status))
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{
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DEBUG_WINERROR("Failed to create H264 encoder MFT", status);
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return false;
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}
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IMFAttributesPtr attribs;
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m_mfTransform->GetAttributes(&attribs);
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attribs->SetUINT32(MF_READWRITE_ENABLE_HARDWARE_TRANSFORMS, TRUE);
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attribs->SetUINT32(MF_SOURCE_READER_ENABLE_VIDEO_PROCESSING, TRUE);
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attribs->SetUINT32(MF_SOURCE_READER_ENABLE_ADVANCED_VIDEO_PROCESSING, TRUE);
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attribs->SetUINT32(MF_LOW_LATENCY, TRUE);
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UINT32 d3d11Aware = 0;
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UINT32 async = 0;
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attribs->GetUINT32(MF_TRANSFORM_ASYNC, &async);
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attribs->GetUINT32(MF_SA_D3D11_AWARE, &d3d11Aware);
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if (async)
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attribs->SetUINT32(MF_TRANSFORM_ASYNC_UNLOCK, TRUE);
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attribs = NULL;
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status = m_mfTransform.QueryInterface(IID_PPV_ARGS(&m_mediaEventGen));
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if (FAILED(status))
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{
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DEBUG_WINERROR("Failed to obtain the media event generator interface", status);
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return false;
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}
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status = m_mediaEventGen->BeginGetEvent(this, NULL);
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if (FAILED(status))
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{
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DEBUG_WINERROR("Failed to set the begin get event", status);
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return false;
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}
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if (d3d11Aware)
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{
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MFCreateDXGIDeviceManager(&m_resetToken, &m_mfDeviceManager);
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status = m_mfDeviceManager->ResetDevice(m_device, m_resetToken);
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if (FAILED(status))
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{
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DEBUG_WINERROR("Failed to call reset device", status);
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return false;
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}
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status = m_mfTransform->ProcessMessage(MFT_MESSAGE_SET_D3D_MANAGER, ULONG_PTR(m_mfDeviceManager.GetInterfacePtr()));
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if (FAILED(status))
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{
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DEBUG_WINERROR("Failed to set the D3D manager", status);
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return false;
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}
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}
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IMFMediaTypePtr outType;
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MFCreateMediaType(&outType);
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outType->SetGUID (MF_MT_MAJOR_TYPE , MFMediaType_Video );
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outType->SetGUID (MF_MT_SUBTYPE , MFVideoFormat_H264 );
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outType->SetUINT32(MF_MT_AVG_BITRATE , 384 * 1000 );
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outType->SetUINT32(MF_MT_INTERLACE_MODE , MFVideoInterlace_Progressive);
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outType->SetUINT32(MF_MT_MPEG2_PROFILE , eAVEncH264VProfile_High );
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outType->SetUINT32(MF_MT_ALL_SAMPLES_INDEPENDENT, TRUE);
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MFSetAttributeSize (outType, MF_MT_FRAME_SIZE , m_width, m_height);
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MFSetAttributeRatio(outType, MF_MT_FRAME_RATE , 60 , 1 );
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MFSetAttributeRatio(outType, MF_MT_PIXEL_ASPECT_RATIO, 1 , 1 );
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status = m_mfTransform->SetOutputType(0, outType, 0);
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outType = NULL;
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if (FAILED(status))
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{
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DEBUG_WINERROR("Failed to set the output media type on the H264 encoder MFT", status);
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return false;
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}
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IMFMediaTypePtr inType;
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MFCreateMediaType(&inType);
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inType->SetGUID (MF_MT_MAJOR_TYPE , MFMediaType_Video );
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inType->SetGUID (MF_MT_SUBTYPE , MFVideoFormat_NV12 );
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inType->SetUINT32(MF_MT_INTERLACE_MODE , MFVideoInterlace_Progressive);
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inType->SetUINT32(MF_MT_ALL_SAMPLES_INDEPENDENT, TRUE );
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MFSetAttributeSize (inType, MF_MT_FRAME_SIZE , m_width, m_height);
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MFSetAttributeRatio(inType, MF_MT_FRAME_RATE , 60 , 1 );
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MFSetAttributeRatio(inType, MF_MT_PIXEL_ASPECT_RATIO, 1 , 1 );
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status = m_mfTransform->SetInputType(0, inType, 0);
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inType = NULL;
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if (FAILED(status))
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{
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DEBUG_WINERROR("Failed to set the input media type on the H264 encoder MFT", status);
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return false;
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}
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m_mfTransform->ProcessMessage(MFT_MESSAGE_COMMAND_FLUSH, 0);
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m_mfTransform->ProcessMessage(MFT_MESSAGE_NOTIFY_BEGIN_STREAMING, 0);
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m_mfTransform->ProcessMessage(MFT_MESSAGE_NOTIFY_START_OF_STREAM, 0);
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return true;
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}
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void MFT::H264::DeInitialize()
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{
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if (m_mediaEventGen)
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{
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m_mfTransform->ProcessMessage(MFT_MESSAGE_NOTIFY_END_OF_STREAM, 0);
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m_mfTransform->ProcessMessage(MFT_MESSAGE_COMMAND_DRAIN, 0);
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while (WaitForSingleObject(m_shutdownEvent, INFINITE) != WAIT_OBJECT_0) {}
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m_mfTransform->DeleteInputStream(0);
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}
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m_mediaEventGen = NULL;
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m_mfTransform = NULL;
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m_mfDeviceManager = NULL;
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if (m_encodeEvent)
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{
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CloseHandle(m_encodeEvent );
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CloseHandle(m_shutdownEvent);
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m_encodeEvent = NULL;
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m_shutdownEvent = NULL;
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DeleteCriticalSection(&m_encodeCS);
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}
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if (m_mfActivation)
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{
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m_mfActivation->ShutdownObject();
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m_mfActivation = NULL;
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}
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}
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unsigned int MFT::H264::Process()
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{
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while(true)
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{
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// only reset the event if there isn't work pending
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EnterCriticalSection(&m_encodeCS);
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if (!m_encodeHasData && !m_encodeNeedsData)
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ResetEvent(m_encodeEvent);
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LeaveCriticalSection(&m_encodeCS);
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switch (WaitForSingleObject(m_encodeEvent, 1000))
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{
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case WAIT_FAILED:
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DEBUG_WINERROR("Wait for encode event failed", GetLastError());
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return H264_EVENT_ERROR;
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case WAIT_ABANDONED:
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DEBUG_ERROR("Wait abandoned");
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return H264_EVENT_ERROR;
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case WAIT_TIMEOUT:
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continue;
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case WAIT_OBJECT_0:
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break;
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}
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unsigned int events = 0;
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EnterCriticalSection(&m_encodeCS);
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if (m_encodeNeedsData) events |= H264_EVENT_NEEDS_DATA;
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if (m_encodeHasData ) events |= H264_EVENT_HAS_DATA;
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LeaveCriticalSection(&m_encodeCS);
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return events;
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}
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return H264_EVENT_ERROR;
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}
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bool MFT::H264::ProvideFrame(ID3D11Texture2DPtr texture)
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{
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EnterCriticalSection(&m_encodeCS);
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if (!m_encodeNeedsData)
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{
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LeaveCriticalSection(&m_encodeCS);
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return false;
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}
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m_encodeNeedsData = false;
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LeaveCriticalSection(&m_encodeCS);
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HRESULT status;
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IMFMediaBufferPtr buffer;
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status = MFCreateDXGISurfaceBuffer(__uuidof(ID3D11Texture2D), texture, 0, FALSE, &buffer);
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if (FAILED(status))
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{
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DEBUG_WINERROR("Failed to create DXGI surface buffer from texture", status);
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return false;
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}
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IMF2DBufferPtr imfBuffer(buffer);
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DWORD length;
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imfBuffer->GetContiguousLength(&length);
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buffer->SetCurrentLength(length);
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IMFSamplePtr sample;
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MFCreateSample(&sample);
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sample->AddBuffer(buffer);
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status = m_mfTransform->ProcessInput(0, sample, 0);
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if (FAILED(status))
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{
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DEBUG_WINERROR("Failed to process the input", status);
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return false;
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}
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return true;
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}
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bool MFT::H264::GetFrame(void * buffer, const size_t bufferSize, unsigned int & dataLen)
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{
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EnterCriticalSection(&m_encodeCS);
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if (!m_encodeHasData)
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{
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LeaveCriticalSection(&m_encodeCS);
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return false;
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}
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m_encodeHasData = false;
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LeaveCriticalSection(&m_encodeCS);
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HRESULT status;
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MFT_OUTPUT_STREAM_INFO streamInfo;
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status = m_mfTransform->GetOutputStreamInfo(0, &streamInfo);
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if (FAILED(status))
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{
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DEBUG_WINERROR("GetOutputStreamInfo", status);
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return false;
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}
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DWORD outStatus;
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MFT_OUTPUT_DATA_BUFFER outDataBuffer = { 0 };
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status = m_mfTransform->ProcessOutput(0, 1, &outDataBuffer, &outStatus);
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if (FAILED(status))
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{
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DEBUG_WINERROR("ProcessOutput", status);
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return false;
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}
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IMFMediaBufferPtr mb;
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outDataBuffer.pSample->ConvertToContiguousBuffer(&mb);
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BYTE *pixels;
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DWORD curLen;
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mb->Lock(&pixels, NULL, &curLen);
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memcpy(buffer, pixels, curLen);
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mb->Unlock();
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if (outDataBuffer.pSample)
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outDataBuffer.pSample->Release();
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if (outDataBuffer.pEvents)
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outDataBuffer.pEvents->Release();
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dataLen = curLen;
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return true;
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}
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STDMETHODIMP MFT::H264::Invoke(IMFAsyncResult * pAsyncResult)
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{
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HRESULT status, evtStatus;
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MediaEventType meType = MEUnknown;
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IMFMediaEventPtr pEvent = NULL;
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status = m_mediaEventGen->EndGetEvent(pAsyncResult, &pEvent);
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if (FAILED(status))
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{
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DEBUG_WINERROR("EndGetEvent", status);
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return status;
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}
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status = pEvent->GetStatus(&evtStatus);
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if (FAILED(status))
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{
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DEBUG_WINERROR("GetStatus", status);
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return status;
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}
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if (FAILED(evtStatus))
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{
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DEBUG_WINERROR("evtStatus", evtStatus);
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return evtStatus;
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}
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status = pEvent->GetType(&meType);
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if (FAILED(status))
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{
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DEBUG_WINERROR("GetType", status);
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return status;
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}
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switch (meType)
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{
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case METransformNeedInput:
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EnterCriticalSection(&m_encodeCS);
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m_encodeNeedsData = true;
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SetEvent(m_encodeEvent);
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LeaveCriticalSection(&m_encodeCS);
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break;
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case METransformHaveOutput:
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EnterCriticalSection(&m_encodeCS);
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m_encodeHasData = true;
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SetEvent(m_encodeEvent);
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LeaveCriticalSection(&m_encodeCS);
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break;
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case METransformDrainComplete:
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{
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status = m_mfTransform->ProcessMessage(MFT_MESSAGE_COMMAND_FLUSH, 0);
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if (FAILED(status))
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{
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DEBUG_WINERROR("MFT_MESSAGE_COMMAND_FLUSH", status);
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return status;
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}
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SetEvent(m_shutdownEvent);
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return S_OK;
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}
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case MEError:
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DEBUG_INFO("err");
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break;
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default:
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DEBUG_INFO("unk");
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break;
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}
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status = m_mediaEventGen->BeginGetEvent(this, NULL);
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if (FAILED(status))
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{
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DEBUG_WINERROR("BeginGetEvent", status);
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return status;
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}
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return status;
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} |