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/*
* Copyright (C) 2010-2015 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 "wmv9mft.h"
#include <mfapi.h>
#include <mferror.h>
#include <wmcodecdsp.h>
#include <propvarutil.h>
#include "parsers/VC1HeaderParser.h"
EXTERN_GUID(CLSID_CWMVDecMediaObject,
0x82d353df, 0x90bd, 0x4382, 0x8b, 0xc2, 0x3f, 0x61, 0x92, 0xb7, 0x6e, 0x34);
////////////////////////////////////////////////////////////////////////////////
// Constructor
////////////////////////////////////////////////////////////////////////////////
ILAVDecoder *CreateDecoderWMV9MFT() {
return new CDecWMV9MFT();
}
////////////////////////////////////////////////////////////////////////////////
// WMV9 MFT decoder implementation
////////////////////////////////////////////////////////////////////////////////
CDecWMV9MFT::CDecWMV9MFT(void)
: CDecBase()
{
memset(&MF, 0, sizeof(MF));
}
CDecWMV9MFT::~CDecWMV9MFT(void)
{
DestroyDecoder(true);
}
STDMETHODIMP CDecWMV9MFT::DestroyDecoder(bool bFull)
{
SAFE_DELETE(m_vc1Header);
{
CAutoLock lock(&m_BufferCritSec);
for (auto it = m_BufferQueue.begin(); it != m_BufferQueue.end(); it++) {
SafeRelease(&(*it)->pBuffer);
delete (*it);
}
m_BufferQueue.clear();
}
if (bFull) {
SafeRelease(&m_pMFT);
if (MF.Shutdown)
MF.Shutdown();
FreeLibrary(MF.mfplat);
}
return S_OK;
}
#define GET_PROC_MF(name) \
MF.name = (tMF##name *)GetProcAddress(MF.mfplat, "MF" #name); \
if (MF.name == nullptr) { \
DbgLog((LOG_ERROR, 10, L"-> Failed to load function \"%s\"", TEXT("MF") TEXT(#name))); \
return E_FAIL; \
}
// ILAVDecoder
STDMETHODIMP CDecWMV9MFT::Init()
{
DbgLog((LOG_TRACE, 10, L"CDecWMV9MFT::Init(): Trying to open WMV9 MFT decoder"));
HRESULT hr = S_OK;
MF.mfplat = LoadLibrary(L"mfplat.dll");
if (!MF.mfplat) {
DbgLog((LOG_TRACE, 10, L"-> Failed to load mfplat.dll"));
return E_FAIL;
}
GET_PROC_MF(Startup);
GET_PROC_MF(Shutdown);
GET_PROC_MF(CreateMediaType);
GET_PROC_MF(CreateSample);
GET_PROC_MF(CreateAlignedMemoryBuffer);
GET_PROC_MF(AverageTimePerFrameToFrameRate);
MF.Startup(MF_VERSION, MFSTARTUP_LITE);
hr = CoCreateInstance(CLSID_CWMVDecMediaObject, nullptr, CLSCTX_INPROC_SERVER, IID_IMFTransform, (void **)&m_pMFT);
if (FAILED(hr)) {
DbgLog((LOG_TRACE, 10, L"-> Failed to create MFT object"));
return hr;
}
// Force decoder deinterlacing, dxva and FI to off
IPropertyStore *pProp = nullptr;
hr = m_pMFT->QueryInterface(&pProp);
if (SUCCEEDED(hr)) {
PROPVARIANT variant;
InitPropVariantFromBoolean(FALSE, &variant);
pProp->SetValue(MFPKEY_DECODER_DEINTERLACING, variant);
pProp->SetValue(MFPKEY_DXVA_ENABLED, variant);
pProp->SetValue(MFPKEY_FI_ENABLED, variant);
SafeRelease(&pProp);
}
return S_OK;
}
static GUID VerifySubtype(AVCodecID codec, GUID subtype)
{
if (codec == AV_CODEC_ID_WMV3) {
return MEDIASUBTYPE_WMV3;
} else {
if (subtype == MEDIASUBTYPE_WVC1 || subtype == MEDIASUBTYPE_wvc1)
return MEDIASUBTYPE_WVC1;
else if (subtype == MEDIASUBTYPE_WMVA || subtype == MEDIASUBTYPE_wmva)
return MEDIASUBTYPE_WMVA;
else // fallback
return MEDIASUBTYPE_WVC1;
}
}
STDMETHODIMP CDecWMV9MFT::InitDecoder(AVCodecID codec, const CMediaType *pmt)
{
HRESULT hr = S_OK;
DbgLog((LOG_TRACE, 10, L"CDecWMV9MFT::InitDecoder(): Initializing WMV9 MFT decoder"));
DestroyDecoder(false);
BITMAPINFOHEADER *pBMI = nullptr;
REFERENCE_TIME rtAvg = 0;
DWORD dwARX = 0, dwARY = 0;
videoFormatTypeHandler(*pmt, &pBMI, &rtAvg, &dwARX, &dwARY);
size_t extralen = 0;
BYTE *extra = nullptr;
getExtraData(*pmt, nullptr, &extralen);
if (extralen > 0) {
extra = (BYTE *)av_mallocz(extralen + FF_INPUT_BUFFER_PADDING_SIZE);
getExtraData(*pmt, extra, &extralen);
}
if (codec == AV_CODEC_ID_VC1 && extralen) {
size_t i = 0;
for (i = 0; i < (extralen - 4); i++) {
uint32_t code = AV_RB32(extra + i);
if ((code & ~0xFF) == 0x00000100)
break;
}
if (i == 0) {
memmove(extra + 1, extra, extralen);
*extra = 0;
extralen++;
} else if (i > 1) {
DbgLog((LOG_TRACE, 10, L"-> VC-1 Header at position %u (should be 0 or 1)", i));
}
}
if (extralen > 0) {
m_vc1Header = new CVC1HeaderParser(extra, extralen, codec);
}
/* Create input type */
m_nCodecId = codec;
IMFMediaType *pMTIn = nullptr;
MF.CreateMediaType(&pMTIn);
pMTIn->SetUINT32(MF_MT_COMPRESSED, TRUE);
pMTIn->SetUINT32(MF_MT_ALL_SAMPLES_INDEPENDENT, FALSE);
pMTIn->SetUINT32(MF_MT_FIXED_SIZE_SAMPLES, FALSE);
pMTIn->SetGUID(MF_MT_MAJOR_TYPE, MFMediaType_Video);
pMTIn->SetGUID(MF_MT_SUBTYPE, VerifySubtype(codec, pmt->subtype));
MFSetAttributeSize(pMTIn, MF_MT_FRAME_SIZE, pBMI->biWidth, pBMI->biHeight);
UINT32 rateNum = 0, rateDen = 0;
MF.AverageTimePerFrameToFrameRate(rtAvg, &rateNum, &rateDen);
MFSetAttributeRatio(pMTIn, MF_MT_FRAME_RATE, rateNum, rateDen);
pMTIn->SetBlob(MF_MT_USER_DATA, extra, (UINT32)extralen);
av_freep(&extra);
hr = m_pMFT->SetInputType(0, pMTIn, 0);
if (FAILED(hr)) {
DbgLog((LOG_TRACE, 10, L"-> Failed to set input type on MFT"));
return hr;
}
/* Create output type */
hr = SelectOutputType();
SafeRelease(&pMTIn);
if (FAILED(hr)) {
DbgLog((LOG_TRACE, 10, L"-> Failed to set output type on MFT"));
return hr;
}
IMFMediaType *pMTOut = nullptr;
m_pMFT->GetOutputCurrentType(0, &pMTOut);
m_bInterlaced = MFGetAttributeUINT32(pMTOut, MF_MT_INTERLACE_MODE, MFVideoInterlace_Unknown) > MFVideoInterlace_Progressive;
SafeRelease(&pMTOut);
m_bManualReorder = (codec == AV_CODEC_ID_VC1) && !(m_pCallback->GetDecodeFlags() & LAV_VIDEO_DEC_FLAG_ONLY_DTS);
return S_OK;
}
STDMETHODIMP CDecWMV9MFT::SelectOutputType()
{
HRESULT hr = S_OK;
int idx = 0;
m_OutPixFmt = LAVPixFmt_None;
IMFMediaType *pMTOut = nullptr;
while (SUCCEEDED(hr = m_pMFT->GetOutputAvailableType(0, idx++, &pMTOut)) && m_OutPixFmt == LAVPixFmt_None) {
GUID outSubtype;
if (SUCCEEDED(pMTOut->GetGUID(MF_MT_SUBTYPE, &outSubtype))) {
if (outSubtype == MEDIASUBTYPE_NV12) {
hr = m_pMFT->SetOutputType(0, pMTOut, 0);
m_OutPixFmt = LAVPixFmt_NV12;
break;
} else if (outSubtype == MEDIASUBTYPE_YV12) {
hr = m_pMFT->SetOutputType(0, pMTOut, 0);
m_OutPixFmt = LAVPixFmt_YUV420;
break;
}
}
SafeRelease(&pMTOut);
}
return hr;
}
IMFMediaBuffer * CDecWMV9MFT::CreateMediaBuffer(const BYTE * pData, DWORD dwDataLen)
{
HRESULT hr;
IMFMediaBuffer *pBuffer = nullptr;
hr = MF.CreateAlignedMemoryBuffer(dwDataLen, MF_16_BYTE_ALIGNMENT, &pBuffer);
if (FAILED(hr)) {
DbgLog((LOG_ERROR, 10, L"Unable to allocate MF Media Buffer, hr: 0x%x", hr));
goto done;
}
BYTE * pOutBuffer = nullptr;
hr = pBuffer->Lock(&pOutBuffer, NULL, NULL);
if (FAILED(hr)) {
SafeRelease(&pBuffer);
DbgLog((LOG_ERROR, 10, L"Unable to lock MF Media Buffer, hr: 0x%x", hr));
goto done;
}
memcpy(pOutBuffer, pData, dwDataLen);
pBuffer->Unlock();
pBuffer->SetCurrentLength(dwDataLen);
done:
return pBuffer;
}
STDMETHODIMP CDecWMV9MFT::Decode(const BYTE *buffer, int buflen, REFERENCE_TIME rtStart, REFERENCE_TIME rtStop, BOOL bSyncPoint, BOOL bDiscontinuity)
{
HRESULT hr = S_OK;
DWORD dwStatus = 0;
hr = m_pMFT->GetInputStatus(0, &dwStatus);
if (FAILED(hr)) {
DbgLog((LOG_TRACE, 10, L"-> GetInputStatus() failed with hr: 0x%x", hr));
return S_FALSE;
}
if (!(dwStatus & MFT_INPUT_STATUS_ACCEPT_DATA))
return S_FALSE;
if (m_vc1Header && (m_bManualReorder || m_bNeedKeyFrame)) {
AVPictureType pictype = m_vc1Header->ParseVC1PictureType(buffer, buflen);
if (m_bManualReorder) {
if (pictype == AV_PICTURE_TYPE_I || pictype == AV_PICTURE_TYPE_P) {
if (m_bReorderBufferValid)
m_timestampQueue.push(m_rtReorderBuffer);
m_rtReorderBuffer = rtStart;
m_bReorderBufferValid = TRUE;
} else {
m_timestampQueue.push(rtStart);
}
}
if (m_bNeedKeyFrame) {
if (pictype != AV_PICTURE_TYPE_I) {
if (m_bManualReorder)
m_timestampQueue.pop();
return S_OK;
} else {
m_bNeedKeyFrame = FALSE;
bSyncPoint = TRUE;
}
}
}
IMFSample *pSample = nullptr;
hr = MF.CreateSample(&pSample);
if (FAILED(hr)) {
DbgLog((LOG_ERROR, 10, L"Unable to allocate MF Sample, hr: 0x%x", hr));
return E_FAIL;
}
IMFMediaBuffer *pMFBuffer = CreateMediaBuffer(buffer, buflen);
if (!pMFBuffer) {
DbgLog((LOG_TRACE, 10, L"Unable to allocate media buffer"));
SafeRelease(&pSample);
return E_FAIL;
}
pSample->AddBuffer(pMFBuffer);
if (rtStart != AV_NOPTS_VALUE) {
pSample->SetSampleTime(rtStart);
if (rtStop != AV_NOPTS_VALUE && rtStop > (rtStart - 1))
pSample->SetSampleDuration(rtStop - rtStart);
}
pSample->SetUINT32(MFSampleExtension_CleanPoint, bSyncPoint);
pSample->SetUINT32(MFSampleExtension_Discontinuity, bDiscontinuity);
hr = m_pMFT->ProcessInput(0, pSample, 0);
if (hr == MF_E_NOTACCEPTING) {
// Not accepting data right now, try to process output and try again
ProcessOutput();
hr = m_pMFT->ProcessInput(0, pSample, 0);
}
SafeRelease(&pMFBuffer);
SafeRelease(&pSample);
if (FAILED(hr)) {
DbgLog((LOG_TRACE, 10, L"-> ProcessInput failed with hr: %0x%x", hr));
return E_FAIL;
}
return ProcessOutput();
}
static inline void memcpy_plane(BYTE *dst, const BYTE *src, ptrdiff_t width, ptrdiff_t stride, int height)
{
for (int i = 0; i < height; i++) {
memcpy(dst, src, width);
dst += stride;
src += width;
}
}
IMFMediaBuffer * CDecWMV9MFT::GetBuffer(DWORD dwRequiredSize)
{
CAutoLock lock(&m_BufferCritSec);
HRESULT hr;
Buffer *buffer = nullptr;
for (auto it = m_BufferQueue.begin(); it != m_BufferQueue.end(); it++) {
if (!(*it)->used) {
buffer = *it;
break;
}
}
if (buffer) {
// Validate Size
if (buffer->size < dwRequiredSize || !buffer->pBuffer) {
SafeRelease(&buffer->pBuffer);
hr = MF.CreateAlignedMemoryBuffer(dwRequiredSize, MF_32_BYTE_ALIGNMENT, &buffer->pBuffer);
if (FAILED(hr)) return nullptr;
buffer->size = dwRequiredSize;
}
} else {
// Create a new buffer
DbgLog((LOG_TRACE, 10, L"Allocating new buffer for WMV9 MFT"));
buffer = new Buffer();
hr = MF.CreateAlignedMemoryBuffer(dwRequiredSize, MF_32_BYTE_ALIGNMENT, &buffer->pBuffer);
if (FAILED(hr)) { delete buffer; return nullptr; }
buffer->size = dwRequiredSize;
m_BufferQueue.push_back(buffer);
}
buffer->used = 1;
buffer->pBuffer->AddRef();
buffer->pBuffer->SetCurrentLength(0);
return buffer->pBuffer;
}
void CDecWMV9MFT::ReleaseBuffer(IMFMediaBuffer *pBuffer)
{
CAutoLock lock(&m_BufferCritSec);
Buffer *buffer = nullptr;
for (auto it = m_BufferQueue.begin(); it != m_BufferQueue.end(); it++) {
if ((*it)->pBuffer == pBuffer) {
(*it)->used = 0;
break;
}
}
pBuffer->Release();
}
void CDecWMV9MFT::wmv9_buffer_destruct(LAVFrame *pFrame)
{
CDecWMV9MFT *pDec = (CDecWMV9MFT *)pFrame->priv_data;
IMFMediaBuffer * pMFBuffer = (IMFMediaBuffer *)pFrame->data[3];
pMFBuffer->Unlock();
pDec->ReleaseBuffer(pMFBuffer);
}
STDMETHODIMP CDecWMV9MFT::ProcessOutput()
{
HRESULT hr = S_OK;
DWORD dwStatus = 0;
MFT_OUTPUT_STREAM_INFO outputInfo = {0};
m_pMFT->GetOutputStreamInfo(0, &outputInfo);
IMFMediaBuffer *pMFBuffer = nullptr;
ASSERT(!(outputInfo.dwFlags & MFT_OUTPUT_STREAM_PROVIDES_SAMPLES));
MFT_OUTPUT_DATA_BUFFER OutputBuffer = {0};
if (!(outputInfo.dwFlags & MFT_OUTPUT_STREAM_PROVIDES_SAMPLES)) {
pMFBuffer = GetBuffer(outputInfo.cbSize);
if (!pMFBuffer) { DbgLog((LOG_TRACE, 10, L"Unable to allocate media buffere")); return E_FAIL; }
IMFSample *pSampleOut = nullptr;
hr = MF.CreateSample(&pSampleOut);
if (FAILED(hr)) { DbgLog((LOG_TRACE, 10, L"Unable to allocate MF sample, hr: 0x%x", hr)); ReleaseBuffer(pMFBuffer); return E_FAIL; }
pSampleOut->AddBuffer(pMFBuffer);
OutputBuffer.pSample = pSampleOut;
}
hr = m_pMFT->ProcessOutput(0, 1, &OutputBuffer, &dwStatus);
// We don't process events, just release them
SafeRelease(&OutputBuffer.pEvents);
// handle stream format changes
if (hr == MF_E_TRANSFORM_STREAM_CHANGE || OutputBuffer.dwStatus == MFT_OUTPUT_DATA_BUFFER_FORMAT_CHANGE ) {
SafeRelease(&OutputBuffer.pSample);
ReleaseBuffer(pMFBuffer);
hr = SelectOutputType();
if (FAILED(hr)) {
DbgLog((LOG_TRACE, 10, L"-> Failed to handle stream change, hr: %x", hr));
return E_FAIL;
}
// try again with the new type, it should work now!
return ProcessOutput();
}
// the MFT generated no output, discard the sample and return
if (hr == MF_E_TRANSFORM_NEED_MORE_INPUT || OutputBuffer.dwStatus == MFT_OUTPUT_DATA_BUFFER_NO_SAMPLE) {
SafeRelease(&OutputBuffer.pSample);
ReleaseBuffer(pMFBuffer);
return S_FALSE;
}
// unknown error condition
if (FAILED(hr)) {
DbgLog((LOG_TRACE, 10, L"-> ProcessOutput failed with hr: %x", hr));
SafeRelease(&OutputBuffer.pSample);
ReleaseBuffer(pMFBuffer);
return E_FAIL;
}
LAVFrame *pFrame = nullptr;
AllocateFrame(&pFrame);
IMFMediaType *pMTOut = nullptr;
m_pMFT->GetOutputCurrentType(0, &pMTOut);
MFGetAttributeSize(pMTOut, MF_MT_FRAME_SIZE, (UINT32 *)&pFrame->width, (UINT32 *)&pFrame->height);
pFrame->format = m_OutPixFmt;
AVRational pixel_aspect_ratio = {1, 1};
MFGetAttributeRatio(pMTOut, MF_MT_PIXEL_ASPECT_RATIO, (UINT32*)&pixel_aspect_ratio.num, (UINT32*)&pixel_aspect_ratio.den);
AVRational display_aspect_ratio = {0, 0};
av_reduce(&display_aspect_ratio.num, &display_aspect_ratio.den, (int64_t)pixel_aspect_ratio.num * pFrame->width, (int64_t)pixel_aspect_ratio.den * pFrame->height, INT_MAX);
pFrame->interlaced = MFGetAttributeUINT32(OutputBuffer.pSample, MFSampleExtension_Interlaced, FALSE);
pFrame->repeat = MFGetAttributeUINT32(OutputBuffer.pSample, MFSampleExtension_RepeatFirstField, FALSE);
LAVDeintFieldOrder fo = m_pSettings->GetDeintFieldOrder();
pFrame->tff = (fo == DeintFieldOrder_Auto) ? !MFGetAttributeUINT32(OutputBuffer.pSample, MFSampleExtension_BottomFieldFirst, FALSE) : (fo == DeintFieldOrder_TopFieldFirst);
if (pFrame->interlaced && !m_bInterlaced)
m_bInterlaced = TRUE;
pFrame->interlaced = (pFrame->interlaced || (m_bInterlaced && m_pSettings->GetDeinterlacingMode() == DeintMode_Aggressive) || m_pSettings->GetDeinterlacingMode() == DeintMode_Force) && !(m_pSettings->GetDeinterlacingMode() == DeintMode_Disable);
pFrame->ext_format.VideoPrimaries = MFGetAttributeUINT32(pMTOut, MF_MT_VIDEO_PRIMARIES, MFVideoPrimaries_Unknown);
pFrame->ext_format.VideoTransferFunction = MFGetAttributeUINT32(pMTOut, MF_MT_TRANSFER_FUNCTION, MFVideoTransFunc_Unknown);
pFrame->ext_format.VideoTransferMatrix = MFGetAttributeUINT32(pMTOut, MF_MT_YUV_MATRIX, MFVideoTransferMatrix_Unknown);
pFrame->ext_format.VideoChromaSubsampling = MFGetAttributeUINT32(pMTOut, MF_MT_VIDEO_CHROMA_SITING, MFVideoChromaSubsampling_Unknown);
pFrame->ext_format.NominalRange = MFGetAttributeUINT32(pMTOut, MF_MT_VIDEO_NOMINAL_RANGE, MFNominalRange_Unknown);
// HACK: don't flag range=limited if its the only value set, since its also the implied default, this helps to avoid a reconnect
// The MFT always sets this value, even if the bitstream says nothing about it, causing a reconnect on every vc1/wmv3 file
if (pFrame->ext_format.value == 0x2000)
pFrame->ext_format.value = 0;
// Timestamps
if (m_bManualReorder) {
if (!m_timestampQueue.empty()) {
pFrame->rtStart = m_timestampQueue.front();
m_timestampQueue.pop();
LONGLONG llDuration = 0;
hr = OutputBuffer.pSample->GetSampleDuration(&llDuration);
if (SUCCEEDED(hr) && llDuration > 0) {
pFrame->rtStop = pFrame->rtStart + llDuration;
}
}
} else {
LONGLONG llTimestamp = 0;
hr = OutputBuffer.pSample->GetSampleTime(&llTimestamp);
if (SUCCEEDED(hr)) {
pFrame->rtStart = llTimestamp;
LONGLONG llDuration = 0;
hr = OutputBuffer.pSample->GetSampleDuration(&llDuration);
if (SUCCEEDED(hr) && llDuration > 0) {
pFrame->rtStop = pFrame->rtStart + llDuration;
}
}
}
SafeRelease(&pMTOut);
// Lock memory in the buffer
BYTE *pBuffer = nullptr;
pMFBuffer->Lock(&pBuffer, NULL, NULL);
// Check alignment
// If not properly aligned, we need to make the data aligned.
int alignment = (m_OutPixFmt == LAVPixFmt_NV12) ? 16 : 32;
if ((pFrame->width % alignment) != 0) {
AllocLAVFrameBuffers(pFrame);
size_t ySize = pFrame->width * pFrame->height;
memcpy_plane(pFrame->data[0], pBuffer, pFrame->width, pFrame->stride[0], pFrame->height);
if (m_OutPixFmt == LAVPixFmt_NV12) {
memcpy_plane(pFrame->data[1], pBuffer + ySize, pFrame->width, pFrame->stride[1], pFrame->height / 2);
} else if (m_OutPixFmt == LAVPixFmt_YUV420) {
size_t uvSize = ySize / 4;
memcpy_plane(pFrame->data[2], pBuffer + ySize, pFrame->width / 2, pFrame->stride[2], pFrame->height / 2);
memcpy_plane(pFrame->data[1], pBuffer + ySize + uvSize, pFrame->width / 2, pFrame->stride[1], pFrame->height / 2);
}
pMFBuffer->Unlock();
ReleaseBuffer(pMFBuffer);
} else {
if (m_OutPixFmt == LAVPixFmt_NV12) {
pFrame->data[0] = pBuffer;
pFrame->data[1] = pBuffer + pFrame->width * pFrame->height;
pFrame->stride[0] = pFrame->stride[1] = pFrame->width;
} else if (m_OutPixFmt == LAVPixFmt_YUV420) {
pFrame->data[0] = pBuffer;
pFrame->data[2] = pBuffer + pFrame->width * pFrame->height;
pFrame->data[1] = pFrame->data[2] + (pFrame->width / 2) * (pFrame->height / 2);
pFrame->stride[0] = pFrame->width;
pFrame->stride[1] = pFrame->stride[2] = pFrame->width / 2;
}
pFrame->data[3] = (BYTE *)pMFBuffer;
pFrame->destruct = wmv9_buffer_destruct;
pFrame->priv_data = this;
}
pFrame->flags |= LAV_FRAME_FLAG_BUFFER_MODIFY;
Deliver(pFrame);
SafeRelease(&OutputBuffer.pSample);
if (OutputBuffer.dwStatus == MFT_OUTPUT_DATA_BUFFER_INCOMPLETE)
return ProcessOutput();
return hr;
}
STDMETHODIMP CDecWMV9MFT::Flush()
{
DbgLog((LOG_TRACE, 10, L"CDecWMV9MFT::Flush(): Flushing WMV9 decoder"));
m_pMFT->ProcessMessage(MFT_MESSAGE_COMMAND_FLUSH, 0);
std::queue<REFERENCE_TIME>().swap(m_timestampQueue);
m_rtReorderBuffer = AV_NOPTS_VALUE;
m_bReorderBufferValid = FALSE;
m_bNeedKeyFrame = TRUE;
return __super::Flush();
}
STDMETHODIMP CDecWMV9MFT::EndOfStream()
{
if (m_bReorderBufferValid)
m_timestampQueue.push(m_rtReorderBuffer);
m_bReorderBufferValid = FALSE;
m_rtReorderBuffer = AV_NOPTS_VALUE;
m_pMFT->ProcessMessage(MFT_MESSAGE_COMMAND_DRAIN, 0);
ProcessOutput();
return S_OK;
}
STDMETHODIMP CDecWMV9MFT::GetPixelFormat(LAVPixelFormat *pPix, int *pBpp)
{
if (pPix)
*pPix = (m_OutPixFmt != LAVPixFmt_None) ? m_OutPixFmt : LAVPixFmt_NV12;
if (pBpp)
*pBpp = 8;
return S_OK;
}
STDMETHODIMP_(BOOL) CDecWMV9MFT::IsInterlaced()
{
return (m_bInterlaced || m_pSettings->GetDeinterlacingMode() == DeintMode_Force);
}
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