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Aegisub/aegisub/VideoSink.cpp

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/*
* Copyright (c) 2004-2006 Mike Matsnev. All Rights Reserved.
*
* $Id: VideoSink.cpp,v 1.8 2007/01/17 23:40:51 mike Exp $
*
*/
#include <windows.h>
#ifdef __WXDEBUG__
#undef __WXDEBUG__
#endif
typedef TCHAR* PTCHAR;
#include <streams.h>
#include <dvdmedia.h>
#include "VideoSink.h"
#include "initguid.h"
class CVideoSink;
// CLSID for videosink: {F13D3732-96BD-4108-AFEB-E85F68FF64DC}
//DEFINE_GUID(CLSID_AegiVideoSink, 0xf13d3732, 0x96bd, 0x4108, 0xaf, 0xeb, 0xe8, 0x5f, 0x68, 0xff, 0x64, 0xdc);
// {E9C80780-4C07-4b36-87D4-5241CD0C6FE2}
DEFINE_GUID(CLSID_AegiVideoSink, 0xe9c80780, 0x4c07, 0x4b36, 0x87, 0xd4, 0x52, 0x41, 0xcd, 0xc, 0x6f, 0xe2);
static int GetBPP(const BITMAPINFOHEADER& h) {
switch (h.biCompression) {
case MAKEFOURCC('Y','U','Y','2'): return 16;
case MAKEFOURCC('Y','V','1','2'): return 12;
case 0: return h.biBitCount;
}
return 0;
}
[uuid("2EE04A02-4AF5-43f8-B05B-5DEB66473419")]
interface IVSAllocator : public IUnknown {
STDMETHOD(SetNextMT)(const AM_MEDIA_TYPE *pMT) = 0;
};
class CVSAllocator : public CMemAllocator, public IVSAllocator {
CMediaType *m_nextmt;
public:
CVSAllocator(TCHAR *pName, LPUNKNOWN pUnk, HRESULT *phr) : CMemAllocator(pName, pUnk, phr), m_nextmt(NULL) { }
~CVSAllocator() {
delete m_nextmt;
}
STDMETHOD(SetNextMT)(const AM_MEDIA_TYPE *pMT) {
CMediaType *newMT = new CMediaType(*pMT);
newMT = (CMediaType *)InterlockedExchangePointer((void **)&m_nextmt, newMT);
if (newMT != NULL)
delete pMT;
return S_OK;
}
STDMETHOD(GetBuffer)(IMediaSample **ppS, REFERENCE_TIME *pStart, REFERENCE_TIME *pStop, DWORD dwFlags) {
CMediaType *pMT = (CMediaType *)InterlockedExchangePointer((void **)&m_nextmt, NULL);
if (pMT != NULL) {
BITMAPINFOHEADER *bmh = NULL;
if (pMT->formattype == FORMAT_VideoInfo)
bmh = &((VIDEOINFOHEADER *)pMT->pbFormat)->bmiHeader;
else if (pMT->formattype == FORMAT_VideoInfo2)
bmh = &((VIDEOINFOHEADER2 *)pMT->pbFormat)->bmiHeader;
if (bmh != NULL) {
ALLOCATOR_PROPERTIES ap, act;
Decommit();
GetProperties(&ap);
long newsize = (bmh->biWidth * abs(bmh->biHeight) * GetBPP(*bmh)) >> 3;
if (ap.cbBuffer < newsize)
ap.cbBuffer = newsize;
SetProperties(&ap, &act);
Commit();
}
}
HRESULT hr = CMemAllocator::GetBuffer(ppS, pStart, pStop, dwFlags);
if (SUCCEEDED(hr) && pMT != NULL)
(*ppS)->SetMediaType(pMT);
if (pMT != NULL)
delete pMT;
return hr;
}
DECLARE_IUNKNOWN;
STDMETHODIMP NonDelegatingQueryInterface(REFIID riid, void ** ppv) {
if (riid == __uuidof(IVSAllocator))
return GetInterface((IVSAllocator *)this, ppv);
return CMemAllocator::NonDelegatingQueryInterface(riid, ppv);
}
};
class CVideoSinkPin : public CRenderedInputPin {
bool m_changedmt;
unsigned m_types;
CVideoSink *m_sink;
HRESULT CheckMediaType(const CMediaType *pMT) {
if (pMT->majortype != MEDIATYPE_Video ||
(pMT->formattype != FORMAT_VideoInfo && pMT->formattype != FORMAT_VideoInfo2))
return VFW_E_TYPE_NOT_ACCEPTED;
if (pMT->subtype == MEDIASUBTYPE_RGB24 && m_types & IVS_RGB24)
return S_OK;
if (pMT->subtype == MEDIASUBTYPE_RGB32 && m_types & IVS_RGB32)
return S_OK;
if (pMT->subtype == MEDIASUBTYPE_YUY2 && m_types & IVS_YUY2)
return S_OK;
if (pMT->subtype == MEDIASUBTYPE_YV12 && m_types & IVS_YV12)
return S_OK;
return VFW_E_TYPE_NOT_ACCEPTED;
}
STDMETHOD(Receive)(IMediaSample *pS);
STDMETHOD(EndOfStream)();
STDMETHOD(BeginFlush)();
public:
CVideoSinkPin(CVideoSink *sink, HRESULT *phr);
STDMETHOD(GetAllocator)(IMemAllocator **ppAllocator) {
CAutoLock cObjectLock(m_pLock);
if (m_pAllocator == NULL) {
HRESULT hr = S_OK;
m_pAllocator = new CVSAllocator(NAME("CVSAllocator"), NULL, &hr);
if (FAILED(hr)) {
delete m_pAllocator;
m_pAllocator = NULL;
return hr;
}
m_pAllocator->AddRef();
}
ASSERT(m_pAllocator != NULL);
*ppAllocator = m_pAllocator;
m_pAllocator->AddRef();
return NOERROR;
}
STDMETHOD(NotifyAllocator)(IMemAllocator *pAlloc, BOOL bReadOnly) {
CAutoLock cObjectLock(m_pLock);
CComQIPtr<IVSAllocator> pVSA(pAlloc);
if (!pVSA)
return E_NOINTERFACE;
if (m_changedmt) {
m_changedmt = false;
pVSA->SetNextMT(&m_mt);
}
return CRenderedInputPin::NotifyAllocator(pAlloc, bReadOnly);
}
HRESULT SetMediaType(const CMediaType *pMT) {
HRESULT hr = CRenderedInputPin::SetMediaType(pMT);
if (FAILED(hr))
return hr;
unsigned type, width, height, bpp, arx, ary;
int stride;
if (FAILED(hr = GetFrameFormat(&type, &width, &height, &stride, &bpp, &arx, &ary, NULL)))
return hr;
if ((stride & 15) != 0) { // extend
CMediaType newMT(m_mt);
if (newMT.formattype == FORMAT_VideoInfo) {
VIDEOINFOHEADER *vh = (VIDEOINFOHEADER *)newMT.pbFormat;
vh->bmiHeader.biWidth = ((abs(stride) + 15) & ~15) / bpp;
vh->rcTarget.left = vh->rcTarget.top = 0;
vh->rcTarget.right = width;
vh->rcTarget.bottom = height;
vh->rcSource = vh->rcTarget;
} else if (newMT.formattype == FORMAT_VideoInfo2) {
VIDEOINFOHEADER2 *vh = (VIDEOINFOHEADER2 *)newMT.pbFormat;
vh->bmiHeader.biWidth = ((abs(stride) + 15) & ~15) / bpp;
vh->rcTarget.left = vh->rcTarget.top = 0;
vh->rcTarget.right = width;
vh->rcTarget.bottom = height;
vh->rcSource = vh->rcTarget;
} else
return E_FAIL;
hr = m_Connected->QueryAccept(&newMT);
if (SUCCEEDED(hr)) {
hr = CRenderedInputPin::SetMediaType(&newMT);
if (FAILED(hr))
return hr;
CComQIPtr<IVSAllocator> pVSA(m_pAllocator);
if (pVSA)
pVSA->SetNextMT(&newMT);
else
m_changedmt = true;
}
}
return S_OK;
}
BOOL AtEOF() { return m_bAtEndOfStream; }
REFERENCE_TIME SegStartTime() { return m_tStart; }
unsigned GetTypes() { return m_types; }
void SetTypes(unsigned t) { m_types = t; }
HRESULT GetFrameFormat(unsigned *type, unsigned *width, unsigned *height, int *stride,
unsigned *pbpp, unsigned *arx, unsigned *ary, long long *def_duration)
{
if (!IsConnected())
return VFW_E_NOT_CONNECTED;
unsigned bpp;
if (m_mt.subtype == MEDIASUBTYPE_RGB24)
*type = IVS_RGB24, bpp = 3;
else if (m_mt.subtype == MEDIASUBTYPE_RGB32)
*type = IVS_RGB32, bpp = 4;
else if (m_mt.subtype == MEDIASUBTYPE_YUY2)
*type = IVS_YUY2, bpp = 2;
else if (m_mt.subtype == MEDIASUBTYPE_YV12)
*type = IVS_YV12, bpp = 1;
else
return VFW_E_INVALID_MEDIA_TYPE;
if (pbpp)
*pbpp = bpp;
BITMAPINFOHEADER *bmh;
RECT rct;
if (m_mt.formattype == FORMAT_VideoInfo && m_mt.FormatLength() >= sizeof(VIDEOINFOHEADER)) {
VIDEOINFOHEADER *vh = (VIDEOINFOHEADER *)m_mt.Format();
bmh = &vh->bmiHeader;
rct = vh->rcTarget;
if (arx)
*arx = 1;
if (*ary)
*ary = 1;
if (def_duration)
*def_duration = vh->AvgTimePerFrame;
} else if (m_mt.formattype == FORMAT_VideoInfo2 && m_mt.FormatLength() >= sizeof(VIDEOINFOHEADER2)) {
VIDEOINFOHEADER2 *vh = (VIDEOINFOHEADER2 *)m_mt.Format();
bmh = &vh->bmiHeader;
rct = vh->rcTarget;
if (arx)
*arx = vh->dwPictAspectRatioX;
if (ary)
*ary = vh->dwPictAspectRatioY;
if (def_duration)
*def_duration = vh->AvgTimePerFrame;
} else
return VFW_E_INVALID_MEDIA_TYPE;
if (stride)
*stride = (bmh->biHeight > 0 && bmh->biCompression == 0 ? -1 : 1) * (int)bmh->biWidth * (int)bpp;
if (rct.right != 0)
*width = rct.right - rct.left;
else
*width = bmh->biWidth;
if (rct.bottom != 0)
*height = rct.bottom - rct.top;
else
*height = abs(bmh->biHeight);
return S_OK;
}
DECLARE_IUNKNOWN;
};
class CVideoSink :
public CBaseFilter,
public IVideoSink,
public IVideoSink2,
public IAMFilterMiscFlags
{
CVideoSinkPin *m_pin;
CRendererPosPassThru *m_rpp;
CCritSec m_lock;
int GetPinCount() { return 1; }
CBasePin *GetPin(int n) { return n == 0 ? m_pin : NULL; }
CComPtr<IMediaSample> m_sample;
HANDLE m_hEvent1, m_hEvent2, m_hNotify;
CComPtr<IVideoSinkNotify> m_notify;
public:
CVideoSink(IUnknown *pUnk, HRESULT *phr) :
CBaseFilter(_T("CVideoSink"), pUnk, &m_lock, CLSID_AegiVideoSink),
m_pin(NULL),
m_rpp(NULL)
{
m_pin = new CVideoSinkPin(this, phr);
if (FAILED(*phr))
return;
m_rpp = new CRendererPosPassThru(NAME("CVideoSink PosPassThru"), CBaseFilter::GetOwner(), phr, m_pin);
if (FAILED(*phr))
return;
m_hEvent1 = CreateEvent(NULL, FALSE, FALSE, NULL);
m_hEvent2 = CreateEvent(NULL, FALSE, FALSE, NULL);
m_hNotify = NULL;
}
~CVideoSink() {
m_sample = NULL;
delete m_rpp;
delete m_pin;
CloseHandle(m_hEvent1);
CloseHandle(m_hEvent2);
}
CCritSec *pStateLock() { return m_pLock; }
// called when lock is held
HRESULT Receive(IMediaSample *pS) {
if (pS == NULL)
m_rpp->EOS();
else
m_rpp->RegisterMediaTime(pS);
// notify callback
CComPtr<IVideoSinkNotify> notify = m_notify;
HANDLE hNotify = m_hNotify;
if (notify || hNotify) {
// save our sample
m_sample = pS;
// notify receiver
SetEvent(m_hEvent1);
}
pStateLock()->Unlock();
if (notify || hNotify) {
if (notify)
notify->FrameReady();
if (hNotify)
SetEvent(hNotify);
// wait until the thing is processed
WaitForSingleObject(m_hEvent2, INFINITE);
}
if (pS == NULL)
NotifyEvent(EC_COMPLETE, 0, (LONG_PTR)static_cast<IBaseFilter*>(this));
return S_OK;
}
HRESULT BeginFlush() {
CAutoLock lock(pStateLock());
ResetEvent(m_hEvent1);
m_sample = NULL;
SetEvent(m_hEvent2);
return S_OK;
}
STDMETHOD(Stop)() {
BeginFlush();
return CBaseFilter::Stop();
}
// IVideoSink
STDMETHOD(SetAllowedTypes)(unsigned types) {
CAutoLock lock(pStateLock());
m_pin->SetTypes(types);
return S_OK;
}
STDMETHOD(GetAllowedTypes)(unsigned *types) {
CheckPointer(types, E_POINTER);
CAutoLock lock(pStateLock());
*types = m_pin->GetTypes();
return S_OK;
}
STDMETHOD(NotifyFrame)(IVideoSinkNotify *notify) {
CAutoLock lock(pStateLock());
m_notify = notify;
return S_OK;
}
STDMETHOD(GetFrameFormat)(unsigned *type, unsigned *width, unsigned *height, unsigned *arx, unsigned *ary) {
CheckPointer(type, E_POINTER);
CheckPointer(width, E_POINTER);
CheckPointer(height, E_POINTER);
CAutoLock lock(pStateLock());
return m_pin->GetFrameFormat(type, width, height, NULL, NULL, arx, ary, NULL);
}
STDMETHOD(ReadFrame)(ReadFrameFunc f, void *arg) {
{
CAutoLock lock(pStateLock());
if (m_pin->AtEOF()) {
if (WaitForSingleObject(m_hEvent1, 0) == WAIT_OBJECT_0)
SetEvent(m_hEvent2);
return S_FALSE;
}
}
WaitForSingleObject(m_hEvent1, INFINITE);
HRESULT hr = S_OK;
{
CAutoLock lock(pStateLock());
CComPtr<IMediaSample> pS(m_sample);
m_sample = NULL;
if (!pS)
hr = S_FALSE;
else {
REFERENCE_TIME rtS, rtE;
if (SUCCEEDED(pS->GetTime(&rtS, &rtE)))
rtS += m_pin->SegStartTime();
else
rtS = -1;
if (f) {
unsigned type, srcW, srcH, arx, ary, srcBPP;
int srcS;
BYTE *srcP;
if (FAILED(m_pin->GetFrameFormat(&type, &srcW, &srcH, &srcS, &srcBPP, &arx, &ary, NULL)) ||
FAILED(pS->GetPointer(&srcP)))
hr = E_FAIL;
else {
if (srcS < 0)
srcP += abs(srcS) * (srcH - 1);
f(rtS, type, srcBPP, srcP, srcW, srcH, srcS, arx, ary, arg);
}
}
}
}
SetEvent(m_hEvent2);
return hr;
}
// IVideoSink2
STDMETHOD(NotifyFrame)(HANDLE hEvent) {
m_hNotify = hEvent;
return S_OK;
}
STDMETHOD(GetFrameFormat)(unsigned *type, unsigned *width, unsigned *height, unsigned *arx, unsigned *ary, long long *def_duration) {
CheckPointer(type, E_POINTER);
CheckPointer(width, E_POINTER);
CheckPointer(height, E_POINTER);
CAutoLock lock(pStateLock());
return m_pin->GetFrameFormat(type, width, height, NULL, NULL, arx, ary, def_duration);
}
// IAMFilterMiscFlags
STDMETHOD_(ULONG, GetMiscFlags)() { return AM_FILTER_MISC_FLAGS_IS_RENDERER; }
// COM
DECLARE_IUNKNOWN;
STDMETHODIMP NonDelegatingQueryInterface(REFIID riid, void ** ppv) {
CAutoLock lock(pStateLock());
if (riid == __uuidof(IVideoSink))
return GetInterface((IVideoSink *)this, ppv);
if (riid == __uuidof(IVideoSink2))
return GetInterface((IVideoSink2 *)this, ppv);
if (riid == __uuidof(IAMFilterMiscFlags))
return GetInterface((IAMFilterMiscFlags *)this, ppv);
if (riid == IID_IMediaSeeking || riid == IID_IMediaPosition)
return m_rpp->NonDelegatingQueryInterface(riid, ppv);
return CBaseFilter::NonDelegatingQueryInterface(riid, ppv);
}
};
CVideoSinkPin::CVideoSinkPin(CVideoSink *sink, HRESULT *phr) :
CRenderedInputPin(_T("CVideoSinkPin"), sink, sink->pStateLock(), phr, L"Input"),
m_types(IVS_RGB32),
m_sink(sink),
m_changedmt(false)
{
}
HRESULT CVideoSinkPin::Receive(IMediaSample *pS) {
m_pLock->Lock();
if (m_bFlushing) {
m_pLock->Unlock();
return S_FALSE;
}
CMediaType MT;
AM_MEDIA_TYPE *pMT;
if (SUCCEEDED(pS->GetMediaType(&pMT)) && pMT != NULL) {
MT.Set(*pMT); DeleteMediaType(pMT);
HRESULT hr = CheckMediaType(&MT);
if (FAILED(hr)) {
m_pLock->Unlock();
return hr;
}
SetMediaType(&MT);
}
if (pS->IsPreroll() == S_OK) {
m_pLock->Unlock();
return S_OK;
}
return m_sink->Receive(pS);
}
HRESULT CVideoSinkPin::EndOfStream() {
HRESULT hr1, hr2;
m_pLock->Lock();
hr1 = CRenderedInputPin::EndOfStream();
if (m_bFlushing) {
m_pLock->Unlock();
return hr1;
}
hr2 = m_sink->Receive(NULL);
if (FAILED(hr1))
return hr1;
return hr2;
}
HRESULT CVideoSinkPin::BeginFlush() {
HRESULT hr = CRenderedInputPin::BeginFlush();
m_sink->BeginFlush();
return hr;
}
//CUnknown * WINAPI CreateVideoSink(IUnknown *pUnk, HRESULT *phr) {
// CVideoSink *vs = new CVideoSink(pUnk, phr);
// if (vs == NULL)
// *phr = E_OUTOFMEMORY;
// else if (FAILED(*phr)) {
// delete vs;
// vs = NULL;
// }
// return vs;
//}
HRESULT CreateVideoSink(IBaseFilter **pVS) {
HRESULT hr = S_OK;
CVideoSink *vs = new CVideoSink(NULL,&hr);
if (vs == NULL) hr = E_OUTOFMEMORY;
else if (FAILED(hr)) {
delete vs;
vs = NULL;
}
vs->AddRef();
*pVS = vs;
return hr;
}
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