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/*
* Copyright (C) 2010-2017 Hendrik Leppkes
* http://www.1f0.de
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "stdafx.h"
#include "DecodeManager.h"
#include "LAVVideo.h"
#include <Shlwapi.h>
CDecodeManager::CDecodeManager(CLAVVideo *pLAVVideo)
: m_pLAVVideo(pLAVVideo)
{
WCHAR fileName[1024];
GetModuleFileName(nullptr, fileName, 1024);
m_processName = PathFindFileName (fileName);
}
CDecodeManager::~CDecodeManager(void)
{
Close();
}
STDMETHODIMP CDecodeManager::Close()
{
CAutoLock decoderLock(this);
SAFE_DELETE(m_pDecoder);
return S_OK;
}
#define HWFORMAT_ENABLED \
((codec == AV_CODEC_ID_H264 && m_pLAVVideo->GetHWAccelCodec(HWCodec_H264)) \
|| ((codec == AV_CODEC_ID_VC1 || codec == AV_CODEC_ID_WMV3) && m_pLAVVideo->GetHWAccelCodec(HWCodec_VC1)) \
|| ((codec == AV_CODEC_ID_MPEG2VIDEO || codec == AV_CODEC_ID_MPEG1VIDEO) && m_pLAVVideo->GetHWAccelCodec(HWCodec_MPEG2) && (!(m_pLAVVideo->GetDecodeFlags() & LAV_VIDEO_DEC_FLAG_DVD) || m_pLAVVideo->GetHWAccelCodec(HWCodec_MPEG2DVD))) \
|| (codec == AV_CODEC_ID_MPEG4 && m_pLAVVideo->GetHWAccelCodec(HWCodec_MPEG4)) \
|| (codec == AV_CODEC_ID_HEVC && m_pLAVVideo->GetHWAccelCodec(HWCodec_HEVC)) \
|| (codec == AV_CODEC_ID_VP9 && m_pLAVVideo->GetHWAccelCodec(HWCodec_VP9)))
#define HWRESOLUTION_ENABLED \
((pBMI->biHeight <= 576 && pBMI->biWidth <= 1024 && m_pLAVVideo->GetHWAccelResolutionFlags() & LAVHWResFlag_SD) \
|| ((pBMI->biHeight > 576 || pBMI->biWidth > 1024) && pBMI->biHeight <= 1200 && pBMI->biWidth <= 1920 && m_pLAVVideo->GetHWAccelResolutionFlags() & LAVHWResFlag_HD) \
|| ((pBMI->biHeight > 1200 || pBMI->biWidth > 1920) && m_pLAVVideo->GetHWAccelResolutionFlags() & LAVHWResFlag_UHD))
ILAVDecoder * CDecodeManager::CreateHWAccelDecoder(LAVHWAccel hwAccel)
{
ILAVDecoder * pDecoder = nullptr;
if (hwAccel == HWAccel_CUDA)
pDecoder = CreateDecoderCUVID();
else if (hwAccel == HWAccel_QuickSync)
pDecoder = CreateDecoderQuickSync();
else if (hwAccel == HWAccel_DXVA2CopyBack)
pDecoder = CreateDecoderDXVA2();
else if (hwAccel == HWAccel_DXVA2Native)
pDecoder = CreateDecoderDXVA2Native();
else if (hwAccel == HWAccel_D3D11)
pDecoder = CreateDecoderD3D11();
return pDecoder;
}
STDMETHODIMP CDecodeManager::CreateDecoder(const CMediaType *pmt, AVCodecID codec)
{
CAutoLock decoderLock(this);
DbgLog((LOG_TRACE, 10, L"CDecodeThread::CreateDecoder(): Creating new decoder for codec %S", avcodec_get_name(codec)));
HRESULT hr = S_OK;
BOOL bWMV9 = FALSE;
BOOL bHWDecBlackList = _wcsicmp(m_processName.c_str(), L"dllhost.exe") == 0 || _wcsicmp(m_processName.c_str(), L"explorer.exe") == 0 || _wcsicmp(m_processName.c_str(), L"ReClockHelper.dll") == 0;
DbgLog((LOG_TRACE, 10, L"-> Process is %s, blacklist: %d", m_processName.c_str(), bHWDecBlackList));
BITMAPINFOHEADER *pBMI = nullptr;
videoFormatTypeHandler(*pmt, &pBMI);
// Try reusing the current HW decoder
if (m_pDecoder && m_bHWDecoder && !m_bHWDecoderFailed && HWFORMAT_ENABLED && HWRESOLUTION_ENABLED) {
DbgLog((LOG_TRACE, 10, L"-> Trying to re-use old HW Decoder"));
hr = m_pDecoder->InitDecoder(codec, pmt);
goto done;
}
SAFE_DELETE(m_pDecoder);
LAVHWAccel hwAccel = m_pLAVVideo->GetHWAccel();
if (!bHWDecBlackList && hwAccel != HWAccel_None && !m_bHWDecoderFailed && HWFORMAT_ENABLED && HWRESOLUTION_ENABLED)
{
DbgLog((LOG_TRACE, 10, L"-> Trying Hardware Codec %d", hwAccel));
m_pDecoder = CreateHWAccelDecoder(hwAccel);
m_bHWDecoder = TRUE;
}
softwaredec:
// Fallback for software
if (!m_pDecoder) {
DbgLog((LOG_TRACE, 10, L"-> No HW Codec, using Software"));
m_bHWDecoder = FALSE;
if (m_pLAVVideo->GetUseMSWMV9Decoder() && (codec == AV_CODEC_ID_VC1 || codec == AV_CODEC_ID_WMV3) && !m_bWMV9Failed) {
if (IsWindows7OrNewer())
m_pDecoder = CreateDecoderWMV9MFT();
else
m_pDecoder = CreateDecoderWMV9();
bWMV9 = TRUE;
} else if (codec == AV_CODEC_ID_H264_MVC) {
m_pDecoder = CreateDecoderMSDKMVC();
} else
m_pDecoder = CreateDecoderAVCodec();
}
DbgLog((LOG_TRACE, 10, L"-> Created Codec '%s'", m_pDecoder->GetDecoderName()));
hr = m_pDecoder->InitInterfaces(static_cast<ILAVVideoSettings *>(m_pLAVVideo), static_cast<ILAVVideoCallback *>(m_pLAVVideo));
if (FAILED(hr)) {
DbgLog((LOG_TRACE, 10, L"-> Init Interfaces failed (hr: 0x%x)", hr));
goto done;
}
hr = m_pDecoder->InitDecoder(codec, pmt);
if (FAILED(hr)) {
DbgLog((LOG_TRACE, 10, L"-> Init Decoder failed (hr: 0x%x)", hr));
goto done;
}
done:
if (FAILED(hr)) {
SAFE_DELETE(m_pDecoder);
if (m_bHWDecoder) {
DbgLog((LOG_TRACE, 10, L"-> Hardware decoder failed to initialize, re-trying with software..."));
m_bHWDecoderFailed = TRUE;
goto softwaredec;
}
if (bWMV9) {
DbgLog((LOG_TRACE, 10, L"-> WMV9 DMO decoder failed, trying avcodec instead..."));
m_bWMV9Failed = TRUE;
bWMV9 = FALSE;
goto softwaredec;
}
return hr;
}
m_Codec = codec;
return hr;
}
STDMETHODIMP CDecodeManager::Decode(IMediaSample *pSample)
{
CAutoLock decoderLock(this);
HRESULT hr = S_OK;
if (!m_pDecoder)
return E_UNEXPECTED;
hr = m_pDecoder->Decode(pSample);
// If a hardware decoder indicates a hard failure, we switch back to software
// This is used to indicate incompatible media
if (FAILED(hr) && m_bHWDecoder) {
DbgLog((LOG_TRACE, 10, L"CDecodeManager::Decode(): Hardware decoder indicates failure, switching back to software"));
m_bHWDecoderFailed = TRUE;
// If we're disabling DXVA2 Native decoding, we need to release resources now
if (wcscmp(m_pDecoder->GetDecoderName(), L"dxva2n") == 0 || wcscmp(m_pDecoder->GetDecoderName(), L"d3d11 native") == 0) {
m_pLAVVideo->ReleaseAllDXVAResources();
m_pLAVVideo->GetOutputPin()->GetConnected()->BeginFlush();
m_pLAVVideo->GetOutputPin()->GetConnected()->EndFlush();
// TODO: further decoding still fails when DXVA2-Native fails mid-decoding, since we can't inform the renderer about no longer delivering DXVA surfaces
}
CMediaType &mt = m_pLAVVideo->GetInputMediaType();
hr = CreateDecoder(&mt, m_Codec);
if (SUCCEEDED(hr)) {
hr = m_pDecoder->Decode(pSample);
}
}
return S_OK;
}
STDMETHODIMP CDecodeManager::Flush()
{
CAutoLock decoderLock(this);
if (!m_pDecoder)
return E_UNEXPECTED;
return m_pDecoder->Flush();
}
STDMETHODIMP CDecodeManager::EndOfStream()
{
CAutoLock decoderLock(this);
if (!m_pDecoder)
return E_UNEXPECTED;
return m_pDecoder->EndOfStream();
}
STDMETHODIMP CDecodeManager::InitAllocator(IMemAllocator **ppAlloc)
{
CAutoLock decoderLock(this);
if (!m_pDecoder)
return E_UNEXPECTED;
return m_pDecoder->InitAllocator(ppAlloc);
}
STDMETHODIMP CDecodeManager::PostConnect(IPin *pPin)
{
CAutoLock decoderLock(this);
HRESULT hr = S_OK;
if (m_pDecoder) {
hr = m_pDecoder->PostConnect(pPin);
if (FAILED(hr)) {
m_bHWDecoderFailed = TRUE;
CMediaType &mt = m_pLAVVideo->GetInputMediaType();
hr = CreateDecoder(&mt, m_Codec);
}
}
return hr;
}
STDMETHODIMP CDecodeManager::BreakConnect()
{
CAutoLock decoderLock(this);
if (!m_pDecoder)
return E_UNEXPECTED;
return m_pDecoder->BreakConnect();
}
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