--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/plugins/multimedia/directshow/player/directshowiosource.cpp Wed Aug 25 15:49:42 2010 +0300
@@ -0,0 +1,639 @@
+/****************************************************************************
+**
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the Qt Mobility Components.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights. These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "directshowiosource.h"
+
+#include "directshowglobal.h"
+#include "directshowmediatype.h"
+#include "directshowpinenum.h"
+
+#include <QtCore/qcoreapplication.h>
+#include <QtCore/qurl.h>
+
+static const GUID directshow_subtypes[] =
+{
+ MEDIASUBTYPE_Avi,
+ MEDIASUBTYPE_WAVE,
+ MEDIASUBTYPE_NULL
+};
+
+DirectShowIOSource::DirectShowIOSource(DirectShowEventLoop *loop)
+ : m_ref(1)
+ , m_state(State_Stopped)
+ , m_reader(0)
+ , m_loop(loop)
+ , m_graph(0)
+ , m_clock(0)
+ , m_allocator(0)
+ , m_peerPin(0)
+ , m_pinId(QLatin1String("Data"))
+{
+ QVector<AM_MEDIA_TYPE> mediaTypes;
+
+ AM_MEDIA_TYPE type =
+ {
+ MEDIATYPE_Stream, // majortype
+ MEDIASUBTYPE_NULL, // subtype
+ TRUE, // bFixedSizeSamples
+ FALSE, // bTemporalCompression
+ 1, // lSampleSize
+ GUID_NULL, // formattype
+ 0, // pUnk
+ 0, // cbFormat
+ 0, // pbFormat
+ };
+
+ static const int count = sizeof(directshow_subtypes) / sizeof(GUID);
+
+ for (int i = 0; i < count; ++i) {
+ type.subtype = directshow_subtypes[i];
+ mediaTypes.append(type);
+ }
+
+ setMediaTypes(mediaTypes);
+}
+
+DirectShowIOSource::~DirectShowIOSource()
+{
+ Q_ASSERT(m_ref == 0);
+
+ delete m_reader;
+}
+
+void DirectShowIOSource::setDevice(QIODevice *device)
+{
+ Q_ASSERT(!m_reader);
+
+ m_reader = new DirectShowIOReader(device, this, m_loop);
+}
+
+void DirectShowIOSource::setAllocator(IMemAllocator *allocator)
+{
+ if (m_allocator)
+ m_allocator->Release();
+
+ m_allocator = allocator;
+
+ if (m_allocator)
+ m_allocator->AddRef();
+}
+
+// IUnknown
+HRESULT DirectShowIOSource::QueryInterface(REFIID riid, void **ppvObject)
+{
+ // 2dd74950-a890-11d1-abe8-00a0c905f375
+ static const GUID iid_IAmFilterMiscFlags = {
+ 0x2dd74950, 0xa890, 0x11d1, {0xab, 0xe8, 0x00, 0xa0, 0xc9, 0x05, 0xf3, 0x75}};
+
+ if (!ppvObject) {
+ return E_POINTER;
+ } else if (riid == IID_IUnknown
+ || riid == IID_IPersist
+ || riid == IID_IMediaFilter
+ || riid == IID_IBaseFilter) {
+ *ppvObject = static_cast<IBaseFilter *>(this);
+ } else if (riid == iid_IAmFilterMiscFlags) {
+ *ppvObject = static_cast<IAMFilterMiscFlags *>(this);
+ } else if (riid == IID_IPin) {
+ *ppvObject = static_cast<IPin *>(this);
+ } else if (riid == IID_IAsyncReader) {
+ *ppvObject = static_cast<IAsyncReader *>(m_reader);
+ } else {
+ *ppvObject = 0;
+
+ return E_NOINTERFACE;
+ }
+
+ AddRef();
+
+ return S_OK;
+}
+
+ULONG DirectShowIOSource::AddRef()
+{
+ return InterlockedIncrement(&m_ref);
+}
+
+ULONG DirectShowIOSource::Release()
+{
+ ULONG ref = InterlockedDecrement(&m_ref);
+
+ if (ref == 0) {
+ delete this;
+ }
+
+ return ref;
+}
+
+// IPersist
+HRESULT DirectShowIOSource::GetClassID(CLSID *pClassID)
+{
+ *pClassID = CLSID_NULL;
+
+ return S_OK;
+}
+
+// IMediaFilter
+HRESULT DirectShowIOSource::Run(REFERENCE_TIME tStart)
+{
+ QMutexLocker locker(&m_mutex);
+
+ m_state = State_Running;
+
+ return S_OK;
+}
+
+HRESULT DirectShowIOSource::Pause()
+{
+ QMutexLocker locker(&m_mutex);
+
+ m_state = State_Paused;
+
+ return S_OK;
+}
+
+HRESULT DirectShowIOSource::Stop()
+{
+ QMutexLocker locker(&m_mutex);
+
+ m_state = State_Stopped;
+
+ return S_OK;
+}
+
+HRESULT DirectShowIOSource::GetState(DWORD dwMilliSecsTimeout, FILTER_STATE *pState)
+{
+ Q_UNUSED(dwMilliSecsTimeout);
+
+ if (!pState) {
+ return E_POINTER;
+ } else {
+ QMutexLocker locker(&m_mutex);
+
+ *pState = m_state;
+
+ return S_OK;
+ }
+}
+
+HRESULT DirectShowIOSource::SetSyncSource(IReferenceClock *pClock)
+{
+ QMutexLocker locker(&m_mutex);
+
+ if (m_clock)
+ m_clock->Release();
+
+ m_clock = pClock;
+
+ if (m_clock)
+ m_clock->AddRef();
+
+ return S_OK;
+}
+
+HRESULT DirectShowIOSource::GetSyncSource(IReferenceClock **ppClock)
+{
+ if (!ppClock) {
+ return E_POINTER;
+ } else {
+ if (!m_clock) {
+ *ppClock = 0;
+
+ return S_FALSE;
+ } else {
+ m_clock->AddRef();
+
+ *ppClock = m_clock;
+
+ return S_OK;
+ }
+ }
+}
+
+// IBaseFilter
+HRESULT DirectShowIOSource::EnumPins(IEnumPins **ppEnum)
+{
+ if (!ppEnum) {
+ return E_POINTER;
+ } else {
+ *ppEnum = new DirectShowPinEnum(QList<IPin *>() << this);
+
+ return S_OK;
+ }
+}
+
+HRESULT DirectShowIOSource::FindPin(LPCWSTR Id, IPin **ppPin)
+{
+ if (!ppPin || !Id) {
+ return E_POINTER;
+ } else {
+ QMutexLocker locker(&m_mutex);
+ if (QString::fromWCharArray(Id) == m_pinId) {
+ AddRef();
+
+ *ppPin = this;
+
+ return S_OK;
+ } else {
+ *ppPin = 0;
+
+ return VFW_E_NOT_FOUND;
+ }
+ }
+}
+
+HRESULT DirectShowIOSource::JoinFilterGraph(IFilterGraph *pGraph, LPCWSTR pName)
+{
+ QMutexLocker locker(&m_mutex);
+
+ m_graph = pGraph;
+ m_filterName = QString::fromWCharArray(pName);
+
+ return S_OK;
+}
+
+HRESULT DirectShowIOSource::QueryFilterInfo(FILTER_INFO *pInfo)
+{
+ if (!pInfo) {
+ return E_POINTER;
+ } else {
+ QString name = m_filterName;
+
+ if (name.length() >= MAX_FILTER_NAME)
+ name.truncate(MAX_FILTER_NAME - 1);
+
+ int length = name.toWCharArray(pInfo->achName);
+ pInfo->achName[length] = '\0';
+
+ if (m_graph)
+ m_graph->AddRef();
+
+ pInfo->pGraph = m_graph;
+
+ return S_OK;
+ }
+}
+
+HRESULT DirectShowIOSource::QueryVendorInfo(LPWSTR *pVendorInfo)
+{
+ Q_UNUSED(pVendorInfo);
+
+ return E_NOTIMPL;
+}
+
+// IAMFilterMiscFlags
+ULONG DirectShowIOSource::GetMiscFlags()
+{
+ return AM_FILTER_MISC_FLAGS_IS_SOURCE;
+}
+
+// IPin
+HRESULT DirectShowIOSource::Connect(IPin *pReceivePin, const AM_MEDIA_TYPE *pmt)
+{
+ QMutexLocker locker(&m_mutex);
+ if (!pReceivePin) {
+ return E_POINTER;
+ } else if (m_state != State_Stopped) {
+ return VFW_E_NOT_STOPPED;
+ } else if (m_peerPin) {
+ return VFW_E_ALREADY_CONNECTED;
+ } else {
+ HRESULT hr = VFW_E_TYPE_NOT_ACCEPTED;
+
+ m_peerPin = pReceivePin;
+ m_peerPin->AddRef();
+
+ if (!pmt) {
+ IEnumMediaTypes *mediaTypes = 0;
+ if (pReceivePin->EnumMediaTypes(&mediaTypes) == S_OK) {
+ for (AM_MEDIA_TYPE *type = 0;
+ mediaTypes->Next(1, &type, 0) == S_OK;
+ DirectShowMediaType::deleteType(type)) {
+ switch (tryConnect(pReceivePin, type)) {
+ case S_OK:
+ DirectShowMediaType::freeData(type);
+ mediaTypes->Release();
+ return S_OK;
+ case VFW_E_NO_TRANSPORT:
+ hr = VFW_E_NO_TRANSPORT;
+ break;
+ default:
+ break;
+ }
+ }
+ mediaTypes->Release();
+ }
+ AM_MEDIA_TYPE type =
+ {
+ MEDIATYPE_Stream, // majortype
+ MEDIASUBTYPE_NULL, // subtype
+ TRUE, // bFixedSizeSamples
+ FALSE, // bTemporalCompression
+ 1, // lSampleSize
+ GUID_NULL, // formattype
+ 0, // pUnk
+ 0, // cbFormat
+ 0, // pbFormat
+ };
+
+ static const int count = sizeof(directshow_subtypes) / sizeof(GUID);
+
+ for (int i = 0; i < count; ++i) {
+ type.subtype = directshow_subtypes[i];
+
+ switch (tryConnect(pReceivePin, &type)) {
+ case S_OK:
+ return S_OK;
+ case VFW_E_NO_TRANSPORT:
+ hr = VFW_E_NO_TRANSPORT;
+ break;
+ default:
+ break;
+ }
+ }
+ } else if (pmt->majortype == MEDIATYPE_Stream && (hr = tryConnect(pReceivePin, pmt))) {
+ return S_OK;
+ }
+
+ m_peerPin->Release();
+ m_peerPin = 0;
+
+ m_mediaType.clear();
+
+ return hr;
+ }
+}
+
+HRESULT DirectShowIOSource::tryConnect(IPin *pin, const AM_MEDIA_TYPE *type)
+{
+ m_mediaType = *type;
+
+ HRESULT hr = pin->ReceiveConnection(this, type);
+
+ if (!SUCCEEDED(hr)) {
+ if (m_allocator) {
+ m_allocator->Release();
+ m_allocator = 0;
+ }
+ } else if (!m_allocator) {
+ hr = VFW_E_NO_TRANSPORT;
+
+ if (IMemInputPin *memPin = com_cast<IMemInputPin>(pin, IID_IMemInputPin)) {
+ if ((m_allocator = com_new<IMemAllocator>(CLSID_MemoryAllocator, IID_IMemAllocator))) {
+ ALLOCATOR_PROPERTIES properties;
+ if (memPin->GetAllocatorRequirements(&properties) == S_OK
+ || m_allocator->GetProperties(&properties) == S_OK) {
+ if (properties.cbAlign == 0)
+ properties.cbAlign = 1;
+
+ ALLOCATOR_PROPERTIES actualProperties;
+ if (SUCCEEDED(hr = m_allocator->SetProperties(&properties, &actualProperties)))
+ hr = memPin->NotifyAllocator(m_allocator, TRUE);
+ }
+ if (!SUCCEEDED(hr)) {
+ m_allocator->Release();
+ m_allocator = 0;
+ }
+ }
+ memPin->Release();
+ }
+ if (!SUCCEEDED(hr))
+ pin->Disconnect();
+ }
+ return hr;
+}
+
+HRESULT DirectShowIOSource::ReceiveConnection(IPin *pConnector, const AM_MEDIA_TYPE *pmt)
+{
+ Q_UNUSED(pConnector);
+ Q_UNUSED(pmt);
+ // Output pin.
+ return E_NOTIMPL;
+}
+
+HRESULT DirectShowIOSource::Disconnect()
+{
+ if (!m_peerPin) {
+ return S_FALSE;
+ } else if (m_state != State_Stopped) {
+ return VFW_E_NOT_STOPPED;
+ } else {
+ HRESULT hr = m_peerPin->Disconnect();
+
+ if (!SUCCEEDED(hr))
+ return hr;
+
+ if (m_allocator) {
+ m_allocator->Release();
+ m_allocator = 0;
+ }
+
+ m_peerPin->Release();
+ m_peerPin = 0;
+
+ m_mediaType.clear();
+
+ return S_OK;
+ }
+}
+
+HRESULT DirectShowIOSource::ConnectedTo(IPin **ppPin)
+{
+ if (!ppPin) {
+ return E_POINTER;
+ } else {
+ QMutexLocker locker(&m_mutex);
+
+ if (!m_peerPin) {
+ *ppPin = 0;
+
+ return VFW_E_NOT_CONNECTED;
+ } else {
+ m_peerPin->AddRef();
+
+ *ppPin = m_peerPin;
+
+ return S_OK;
+ }
+ }
+}
+
+HRESULT DirectShowIOSource::ConnectionMediaType(AM_MEDIA_TYPE *pmt)
+{
+ if (!pmt) {
+ return E_POINTER;
+ } else {
+ QMutexLocker locker(&m_mutex);
+
+ if (!m_peerPin) {
+ pmt = 0;
+
+ return VFW_E_NOT_CONNECTED;
+ } else {
+ DirectShowMediaType::copy(pmt, m_mediaType);
+
+ return S_OK;
+ }
+ }
+}
+
+HRESULT DirectShowIOSource::QueryPinInfo(PIN_INFO *pInfo)
+{
+ if (!pInfo) {
+ return E_POINTER;
+ } else {
+ AddRef();
+
+ pInfo->pFilter = this;
+ pInfo->dir = PINDIR_OUTPUT;
+
+ const int bytes = qMin(MAX_FILTER_NAME, (m_pinId.length() + 1) * 2);
+
+ qMemCopy(pInfo->achName, m_pinId.utf16(), bytes);
+
+ return S_OK;
+ }
+}
+
+HRESULT DirectShowIOSource::QueryId(LPWSTR *Id)
+{
+ if (!Id) {
+ return E_POINTER;
+ } else {
+ const int bytes = (m_pinId.length() + 1) * 2;
+
+ *Id = static_cast<LPWSTR>(::CoTaskMemAlloc(bytes));
+
+ qMemCopy(*Id, m_pinId.utf16(), bytes);
+
+ return S_OK;
+ }
+}
+
+HRESULT DirectShowIOSource::QueryAccept(const AM_MEDIA_TYPE *pmt)
+{
+ if (!pmt) {
+ return E_POINTER;
+ } else if (pmt->majortype == MEDIATYPE_Stream) {
+ return S_OK;
+ } else {
+ return S_FALSE;
+ }
+}
+
+HRESULT DirectShowIOSource::EnumMediaTypes(IEnumMediaTypes **ppEnum)
+{
+ if (!ppEnum) {
+ return E_POINTER;
+ } else {
+ *ppEnum = createMediaTypeEnum();
+
+ return S_OK;
+ }
+}
+
+HRESULT DirectShowIOSource::QueryInternalConnections(IPin **apPin, ULONG *nPin)
+{
+ Q_UNUSED(apPin);
+ Q_UNUSED(nPin);
+
+ return E_NOTIMPL;
+}
+
+HRESULT DirectShowIOSource::EndOfStream()
+{
+ return S_OK;
+}
+
+HRESULT DirectShowIOSource::BeginFlush()
+{
+ return m_reader->BeginFlush();
+}
+
+HRESULT DirectShowIOSource::EndFlush()
+{
+ return m_reader->EndFlush();
+}
+
+HRESULT DirectShowIOSource::NewSegment(REFERENCE_TIME tStart, REFERENCE_TIME tStop, double dRate)
+{
+ Q_UNUSED(tStart);
+ Q_UNUSED(tStop);
+ Q_UNUSED(dRate);
+
+ return S_OK;
+}
+
+HRESULT DirectShowIOSource::QueryDirection(PIN_DIRECTION *pPinDir)
+{
+ if (!pPinDir) {
+ return E_POINTER;
+ } else {
+ *pPinDir = PINDIR_OUTPUT;
+
+ return S_OK;
+ }
+}
+
+DirectShowRcSource::DirectShowRcSource(DirectShowEventLoop *loop)
+ : DirectShowIOSource(loop)
+{
+}
+
+bool DirectShowRcSource::open(const QUrl &url)
+{
+ m_file.moveToThread(QCoreApplication::instance()->thread());
+
+ m_file.setFileName(QLatin1Char(':') + url.path());
+
+ qDebug("qrc file %s", qPrintable(m_file.fileName()));
+
+ if (m_file.open(QIODevice::ReadOnly)) {
+ qDebug("Size %d", m_file.size());
+ qDebug("Sequential %d", int(m_file.isSequential()));
+
+ setDevice(&m_file);
+
+ return true;
+ } else {
+ return false;
+ }
+}