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authorChristian Strømme <christian.stromme@qt.io>2016-11-17 17:51:48 +0100
committerChristian Stromme <christian.stromme@qt.io>2017-05-03 13:29:30 +0000
commitc50fb7493753606cd436b08d33022f9b789dd2ea (patch)
tree21ec6994932fd37abc079fa10f5cd2af4083c762 /src/plugins/directshow/helpers/directshowpin.cpp
parent8e4d966f4e5546787257de046d2c3af8a19214b4 (diff)
DirectShow: Merge the helpers and common folder
Change-Id: Ie1c39c26ae6dec288daafb24b5aa0b6cc2bdd218 Reviewed-by: Yoann Lopes <yoann.lopes@qt.io>
Diffstat (limited to 'src/plugins/directshow/helpers/directshowpin.cpp')
-rw-r--r--src/plugins/directshow/helpers/directshowpin.cpp740
1 files changed, 0 insertions, 740 deletions
diff --git a/src/plugins/directshow/helpers/directshowpin.cpp b/src/plugins/directshow/helpers/directshowpin.cpp
deleted file mode 100644
index b49c3f8a4..000000000
--- a/src/plugins/directshow/helpers/directshowpin.cpp
+++ /dev/null
@@ -1,740 +0,0 @@
-/****************************************************************************
-**
-** Copyright (C) 2017 The Qt Company Ltd.
-** Contact: https://www.qt.io/licensing/
-**
-** This file is part of the Qt Toolkit.
-**
-** $QT_BEGIN_LICENSE:LGPL$
-** Commercial License Usage
-** Licensees holding valid commercial Qt licenses may use this file in
-** accordance with the commercial license agreement provided with the
-** Software or, alternatively, in accordance with the terms contained in
-** a written agreement between you and The Qt Company. For licensing terms
-** and conditions see https://www.qt.io/terms-conditions. For further
-** information use the contact form at https://www.qt.io/contact-us.
-**
-** GNU Lesser General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU Lesser
-** General Public License version 3 as published by the Free Software
-** Foundation and appearing in the file LICENSE.LGPL3 included in the
-** packaging of this file. Please review the following information to
-** ensure the GNU Lesser General Public License version 3 requirements
-** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
-**
-** GNU General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU
-** General Public License version 2.0 or (at your option) the GNU General
-** Public license version 3 or any later version approved by the KDE Free
-** Qt Foundation. The licenses are as published by the Free Software
-** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
-** included in the packaging of this file. Please review the following
-** information to ensure the GNU General Public License requirements will
-** be met: https://www.gnu.org/licenses/gpl-2.0.html and
-** https://www.gnu.org/licenses/gpl-3.0.html.
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#include "directshowpin.h"
-
-#include "directshowmediatype.h"
-#include "directshowbasefilter.h"
-#include "directshowmediatypeenum.h"
-
-#include <qdebug.h>
-
-QT_BEGIN_NAMESPACE
-
-DirectShowPin::DirectShowPin(DirectShowBaseFilter *filter, const QString &name, PIN_DIRECTION direction)
- : m_mutex(QMutex::Recursive)
- , m_filter(filter)
- , m_name(name)
- , m_direction(direction)
- , m_peerPin(NULL)
-{
-}
-
-DirectShowPin::~DirectShowPin()
-{
-
-}
-
-HRESULT DirectShowPin::getInterface(const IID &riid, void **ppvObject)
-{
- if (riid == IID_IPin)
- return GetInterface(static_cast<IPin*>(this), ppvObject);
- else
- return DirectShowObject::getInterface(riid, ppvObject);
-}
-
-
-
-HRESULT DirectShowPin::Connect(IPin *pReceivePin, const AM_MEDIA_TYPE *pmt)
-{
- if (!pReceivePin)
- return E_POINTER;
-
- HRESULT hr = E_FAIL;
- QMutexLocker locker(&m_mutex);
-
- if (m_peerPin)
- return VFW_E_ALREADY_CONNECTED;
- if (m_filter->state() != State_Stopped)
- return VFW_E_NOT_STOPPED;
-
- PIN_DIRECTION pd;
- pReceivePin->QueryDirection(&pd);
- if (pd == m_direction)
- return VFW_E_INVALID_DIRECTION;
-
- if (pmt != NULL && DirectShowMediaType::isPartiallySpecified(pmt)) {
- // If the type is fully specified, use it
- hr = tryConnect(pReceivePin, pmt);
- } else {
- IEnumMediaTypes *enumMediaTypes = NULL;
-
- // First, try the receiving pin's preferred types
- if (SUCCEEDED(pReceivePin->EnumMediaTypes(&enumMediaTypes))) {
- hr = tryMediaTypes(pReceivePin, pmt, enumMediaTypes);
- enumMediaTypes->Release();
- }
- // Then, try this pin's preferred types
- if (FAILED(hr) && SUCCEEDED(EnumMediaTypes(&enumMediaTypes))) {
- hr = tryMediaTypes(pReceivePin, pmt, enumMediaTypes);
- enumMediaTypes->Release();
- }
- }
-
- if (FAILED(hr)) {
- return ((hr != E_FAIL) && (hr != E_INVALIDARG) && (hr != VFW_E_TYPE_NOT_ACCEPTED))
- ? hr : VFW_E_NO_ACCEPTABLE_TYPES;
- }
-
- return S_OK;
-}
-
-HRESULT DirectShowPin::tryMediaTypes(IPin *pin, const AM_MEDIA_TYPE *partialType, IEnumMediaTypes *enumMediaTypes)
-{
- HRESULT hr = enumMediaTypes->Reset();
- if (FAILED(hr))
- return hr;
-
- AM_MEDIA_TYPE *mediaType = NULL;
- ULONG mediaCount = 0;
- HRESULT hrFailure = VFW_E_NO_ACCEPTABLE_TYPES;
-
- for (; enumMediaTypes->Next(1, &mediaType, &mediaCount) == S_OK;) {
-
- if (mediaType && (partialType == NULL || DirectShowMediaType::isCompatible(mediaType, partialType))) {
- hr = tryConnect(pin, mediaType);
-
- if (FAILED(hr) && (hr != E_FAIL)
- && (hr != E_INVALIDARG)
- && (hr != VFW_E_TYPE_NOT_ACCEPTED)) {
- hrFailure = hr;
- }
- }
-
- if (mediaType)
- DirectShowMediaType::deleteType(mediaType);
-
- if (SUCCEEDED(hr))
- return S_OK;
- }
-
- return hrFailure;
-}
-
-HRESULT DirectShowPin::tryConnect(IPin *pin, const AM_MEDIA_TYPE *type)
-{
- if (!isMediaTypeSupported(type))
- return VFW_E_TYPE_NOT_ACCEPTED;
-
- m_peerPin = pin;
- m_peerPin->AddRef();
-
- HRESULT hr;
- if (!setMediaType(type)) {
- hr = VFW_E_TYPE_NOT_ACCEPTED;
- } else {
- hr = pin->ReceiveConnection(this, type);
- if (SUCCEEDED(hr)) {
- hr = completeConnection(pin);
- if (FAILED(hr))
- pin->Disconnect();
- }
- }
-
- if (FAILED(hr)) {
- connectionEnded();
- m_peerPin->Release();
- m_peerPin = NULL;
- setMediaType(NULL);
- return hr;
- }
-
- return S_OK;
-}
-
-HRESULT DirectShowPin::ReceiveConnection(IPin *pConnector, const AM_MEDIA_TYPE *pmt)
-{
- if (!pConnector || !pmt)
- return E_POINTER;
-
- QMutexLocker locker(&m_mutex);
-
- if (m_peerPin)
- return VFW_E_ALREADY_CONNECTED;
- if (m_filter->state() != State_Stopped)
- return VFW_E_NOT_STOPPED;
-
- PIN_DIRECTION pd;
- pConnector->QueryDirection(&pd);
- if (pd == m_direction)
- return VFW_E_INVALID_DIRECTION;
-
- if (!isMediaTypeSupported(pmt))
- return VFW_E_TYPE_NOT_ACCEPTED;
-
- m_peerPin = pConnector;
- m_peerPin->AddRef();
-
- HRESULT hr;
- if (!setMediaType(pmt))
- hr = VFW_E_TYPE_NOT_ACCEPTED;
- else
- hr = completeConnection(pConnector);
-
- if (FAILED(hr)) {
- connectionEnded();
- m_peerPin->Release();
- m_peerPin = NULL;
- setMediaType(NULL);
- return hr;
- }
-
- return S_OK;
-}
-
-HRESULT DirectShowPin::Disconnect()
-{
- QMutexLocker locker(&m_mutex);
-
- if (m_filter->state() != State_Stopped)
- return VFW_E_NOT_STOPPED;
-
- if (m_peerPin) {
- HRESULT hr = connectionEnded();
- if (FAILED(hr))
- return hr;
-
- m_peerPin->Release();
- m_peerPin = NULL;
-
- setMediaType(NULL);
-
- return S_OK;
- }
-
- return S_FALSE;
-}
-
-HRESULT DirectShowPin::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 DirectShowPin::ConnectionMediaType(AM_MEDIA_TYPE *pmt)
-{
- if (!pmt) {
- return E_POINTER;
- } else {
- QMutexLocker locker(&m_mutex);
-
- if (!m_peerPin) {
- DirectShowMediaType::init(pmt);
- return VFW_E_NOT_CONNECTED;
- } else {
- DirectShowMediaType::copy(pmt, &m_mediaType);
- return S_OK;
- }
- }
-}
-
-HRESULT DirectShowPin::QueryPinInfo(PIN_INFO *pInfo)
-{
- if (!pInfo) {
- return E_POINTER;
- } else {
- pInfo->pFilter = m_filter;
- if (m_filter) {
- m_filter->AddRef();
- }
- pInfo->dir = m_direction;
-
- QString name = m_name;
- if (name.length() >= MAX_PIN_NAME)
- name.truncate(MAX_PIN_NAME - 1);
- int length = name.toWCharArray(pInfo->achName);
- pInfo->achName[length] = '\0';
-
- return S_OK;
- }
-}
-
-HRESULT DirectShowPin::QueryId(LPWSTR *Id)
-{
- if (!Id) {
- return E_POINTER;
- } else {
- const int bytes = (m_name.length() + 1) * 2;
- *Id = static_cast<LPWSTR>(::CoTaskMemAlloc(bytes));
- ::memcpy(*Id, m_name.utf16(), bytes);
- return S_OK;
- }
-}
-
-HRESULT DirectShowPin::QueryAccept(const AM_MEDIA_TYPE *pmt)
-{
- if (!pmt)
- return E_POINTER;
-
- if (!isMediaTypeSupported(pmt))
- return S_FALSE;
-
- return S_OK;
-}
-
-HRESULT DirectShowPin::EnumMediaTypes(IEnumMediaTypes **ppEnum)
-{
- if (!ppEnum) {
- return E_POINTER;
- } else {
- *ppEnum = new DirectShowMediaTypeEnum(this);
- return S_OK;
- }
-}
-
-HRESULT DirectShowPin::QueryInternalConnections(IPin **apPin, ULONG *nPin)
-{
- Q_UNUSED(apPin);
- Q_UNUSED(nPin);
- return E_NOTIMPL;
-}
-
-HRESULT DirectShowPin::EndOfStream()
-{
- return S_OK;
-}
-
-HRESULT DirectShowPin::BeginFlush()
-{
- return E_UNEXPECTED;
-}
-
-HRESULT DirectShowPin::EndFlush()
-{
- return E_UNEXPECTED;
-}
-
-HRESULT DirectShowPin::NewSegment(REFERENCE_TIME tStart, REFERENCE_TIME tStop, double dRate)
-{
- Q_UNUSED(tStart);
- Q_UNUSED(tStop);
- Q_UNUSED(dRate);
- return S_OK;
-}
-
-HRESULT DirectShowPin::QueryDirection(PIN_DIRECTION *pPinDir)
-{
- if (!pPinDir) {
- return E_POINTER;
- } else {
- *pPinDir = m_direction;
- return S_OK;
- }
-}
-
-QList<DirectShowMediaType> DirectShowPin::supportedMediaTypes()
-{
- return QList<DirectShowMediaType>();
-}
-
-bool DirectShowPin::setMediaType(const AM_MEDIA_TYPE *type)
-{
- if (!type)
- m_mediaType.clear();
- else
- DirectShowMediaType::copy(&m_mediaType, type);
-
- return true;
-}
-
-HRESULT DirectShowPin::completeConnection(IPin *pin)
-{
- Q_UNUSED(pin)
- return S_OK;
-}
-
-HRESULT DirectShowPin::connectionEnded()
-{
- return S_OK;
-}
-
-HRESULT DirectShowPin::setActive(bool active)
-{
- Q_UNUSED(active)
- return S_OK;
-}
-
-
-/* DirectShowOutputPin */
-
-DirectShowOutputPin::DirectShowOutputPin(DirectShowBaseFilter *filter, const QString &name)
- : DirectShowPin(filter, name, PINDIR_OUTPUT)
- , m_allocator(NULL)
- , m_inputPin(NULL)
-{
-
-}
-
-DirectShowOutputPin::~DirectShowOutputPin()
-{
-}
-
-HRESULT DirectShowOutputPin::completeConnection(IPin *pin)
-{
- if (!pin)
- return E_POINTER;
-
- Q_ASSERT(m_inputPin == NULL);
- Q_ASSERT(m_allocator == NULL);
-
- HRESULT hr = pin->QueryInterface(IID_PPV_ARGS(&m_inputPin));
- if (FAILED(hr))
- return hr;
-
- ALLOCATOR_PROPERTIES prop;
- ZeroMemory(&prop, sizeof(prop));
- m_inputPin->GetAllocatorRequirements(&prop);
- if (prop.cBuffers <= 0)
- prop.cBuffers = 1;
- if (prop.cbBuffer <= 0)
- prop.cbBuffer = 1;
- if (prop.cbAlign <= 0)
- prop.cbAlign = 1;
-
- // Use the connected input pin's allocator if it has one
- hr = m_inputPin->GetAllocator(&m_allocator);
- if (SUCCEEDED(hr)) {
- ALLOCATOR_PROPERTIES actualProperties;
- hr = m_allocator->SetProperties(&prop, &actualProperties);
-
- if (SUCCEEDED(hr)) {
- hr = m_inputPin->NotifyAllocator(m_allocator, FALSE);
- if (SUCCEEDED(hr))
- return S_OK;
- }
-
- m_allocator->Release();
- m_allocator = NULL;
- }
-
- // Otherwise, allocate its own allocator
- m_allocator = com_new<IMemAllocator>(CLSID_MemoryAllocator);
- if (!m_allocator) {
- hr = E_OUTOFMEMORY;
- } else {
- ALLOCATOR_PROPERTIES actualProperties;
- hr = m_allocator->SetProperties(&prop, &actualProperties);
-
- if (SUCCEEDED(hr)) {
- hr = m_inputPin->NotifyAllocator(m_allocator, FALSE);
- if (SUCCEEDED(hr))
- return S_OK;
- }
-
- m_allocator->Release();
- m_allocator = NULL;
- }
-
- return hr;
-}
-
-HRESULT DirectShowOutputPin::connectionEnded()
-{
- if (m_allocator) {
- HRESULT hr = m_allocator->Decommit();
- if (FAILED(hr))
- return hr;
-
- m_allocator->Release();
- m_allocator = NULL;
- }
-
- if (m_inputPin) {
- m_inputPin->Release();
- m_inputPin = NULL;
- }
-
- return S_OK;
-}
-
-HRESULT DirectShowOutputPin::setActive(bool active)
-{
- if (!m_allocator)
- return VFW_E_NO_ALLOCATOR;
-
- return active ? m_allocator->Commit()
- : m_allocator->Decommit();
-}
-
-HRESULT DirectShowOutputPin::EndOfStream()
-{
- return E_UNEXPECTED;
-}
-
-
-/* DirectShowInputPin */
-
-DirectShowInputPin::DirectShowInputPin(DirectShowBaseFilter *filter, const QString &name)
- : DirectShowPin(filter, name, PINDIR_INPUT)
- , m_allocator(NULL)
- , m_flushing(false)
- , m_inErrorState(false)
-{
- ZeroMemory(&m_sampleProperties, sizeof(m_sampleProperties));
-}
-
-DirectShowInputPin::~DirectShowInputPin()
-{
-
-}
-
-HRESULT DirectShowInputPin::getInterface(const IID &riid, void **ppvObject)
-{
- if (riid == IID_IMemInputPin)
- return GetInterface(static_cast<IMemInputPin*>(this), ppvObject);
- else
- return DirectShowPin::getInterface(riid, ppvObject);
-}
-
-HRESULT DirectShowInputPin::connectionEnded()
-{
- if (m_allocator) {
- HRESULT hr = m_allocator->Decommit();
- if (FAILED(hr))
- return hr;
-
- m_allocator->Release();
- m_allocator = NULL;
- }
-
- return S_OK;
-}
-
-HRESULT DirectShowInputPin::setActive(bool active)
-{
- if (!active) {
- m_inErrorState = false;
-
- if (!m_allocator)
- return VFW_E_NO_ALLOCATOR;
-
- m_flushing = false;
- return m_allocator->Decommit();
- }
-
- return S_OK;
-}
-
-HRESULT DirectShowInputPin::EndOfStream()
-{
- if (m_filter->state() == State_Stopped)
- return VFW_E_WRONG_STATE;
- if (m_flushing)
- return S_FALSE;
- if (m_inErrorState)
- return VFW_E_RUNTIME_ERROR;
-
- return S_OK;
-}
-
-HRESULT DirectShowInputPin::BeginFlush()
-{
- QMutexLocker locker(&m_mutex);
- m_flushing = true;
- return S_OK;
-}
-
-HRESULT DirectShowInputPin::EndFlush()
-{
- QMutexLocker locker(&m_mutex);
- m_flushing = false;
- m_inErrorState = false;
- return S_OK;
-}
-
-HRESULT DirectShowInputPin::GetAllocator(IMemAllocator **ppAllocator)
-{
- if (!ppAllocator)
- return E_POINTER;
-
- QMutexLocker locker(&m_mutex);
-
- if (!m_allocator) {
- m_allocator = com_new<IMemAllocator>(CLSID_MemoryAllocator);;
- if (!m_allocator)
- return E_OUTOFMEMORY;
- }
-
- *ppAllocator = m_allocator;
- m_allocator->AddRef();
-
- return S_OK;
-}
-
-HRESULT DirectShowInputPin::NotifyAllocator(IMemAllocator *pAllocator, BOOL bReadOnly)
-{
- Q_UNUSED(bReadOnly)
-
- if (!pAllocator)
- return E_POINTER;
-
- QMutexLocker locker(&m_mutex);
-
- if (m_allocator)
- m_allocator->Release();
-
- m_allocator = pAllocator;
- m_allocator->AddRef();
-
- return S_OK;
-}
-
-HRESULT DirectShowInputPin::GetAllocatorRequirements(ALLOCATOR_PROPERTIES *pProps)
-{
- Q_UNUSED(pProps)
- return E_NOTIMPL;
-}
-
-HRESULT DirectShowInputPin::Receive(IMediaSample *pSample)
-{
- if (!pSample)
- return E_POINTER;
- if (m_filter->state() == State_Stopped)
- return VFW_E_WRONG_STATE;
- if (m_flushing)
- return S_FALSE;
- if (m_inErrorState)
- return VFW_E_RUNTIME_ERROR;
-
- HRESULT hr = S_OK;
-
- IMediaSample2 *sample2;
- if (SUCCEEDED(pSample->QueryInterface(IID_PPV_ARGS(&sample2)))) {
- hr = sample2->GetProperties(sizeof(m_sampleProperties), (PBYTE)&m_sampleProperties);
- sample2->Release();
- if (FAILED(hr))
- return hr;
- } else {
- m_sampleProperties.cbData = sizeof(m_sampleProperties);
- m_sampleProperties.dwTypeSpecificFlags = 0;
- m_sampleProperties.dwStreamId = AM_STREAM_MEDIA;
- m_sampleProperties.dwSampleFlags = 0;
- if (pSample->IsDiscontinuity() == S_OK)
- m_sampleProperties.dwSampleFlags |= AM_SAMPLE_DATADISCONTINUITY;
- if (pSample->IsPreroll() == S_OK)
- m_sampleProperties.dwSampleFlags |= AM_SAMPLE_PREROLL;
- if (pSample->IsSyncPoint() == S_OK)
- m_sampleProperties.dwSampleFlags |= AM_SAMPLE_SPLICEPOINT;
- if (SUCCEEDED(pSample->GetTime(&m_sampleProperties.tStart,
- &m_sampleProperties.tStop))) {
- m_sampleProperties.dwSampleFlags |= AM_SAMPLE_TIMEVALID | AM_SAMPLE_STOPVALID;
- }
- if (pSample->GetMediaType(&m_sampleProperties.pMediaType) == S_OK)
- m_sampleProperties.dwSampleFlags |= AM_SAMPLE_TYPECHANGED;
- pSample->GetPointer(&m_sampleProperties.pbBuffer);
- m_sampleProperties.lActual = pSample->GetActualDataLength();
- m_sampleProperties.cbBuffer = pSample->GetSize();
- }
-
-
- if (!(m_sampleProperties.dwSampleFlags & AM_SAMPLE_TYPECHANGED))
- return S_OK;
-
- if (isMediaTypeSupported(m_sampleProperties.pMediaType))
- return S_OK;
-
- m_inErrorState = true;
- EndOfStream();
- m_filter->NotifyEvent(EC_ERRORABORT, VFW_E_TYPE_NOT_ACCEPTED, 0);
- return VFW_E_INVALIDMEDIATYPE;
-}
-
-HRESULT DirectShowInputPin::ReceiveMultiple(IMediaSample **pSamples, long nSamples, long *nSamplesProcessed)
-{
- if (!pSamples || !nSamplesProcessed)
- return E_POINTER;
-
- HRESULT hr = S_OK;
- *nSamplesProcessed = 0;
- while (nSamples-- > 0) {
- hr = Receive(pSamples[*nSamplesProcessed]);
- if (hr != S_OK)
- break;
- (*nSamplesProcessed)++;
- }
- return hr;
-}
-
-HRESULT DirectShowInputPin::ReceiveCanBlock()
-{
- int outputPins = 0;
-
- const QList<DirectShowPin *> pinList = m_filter->pins();
- for (DirectShowPin *pin : pinList) {
- PIN_DIRECTION pd;
- HRESULT hr = pin->QueryDirection(&pd);
- if (FAILED(hr))
- return hr;
-
- if (pd == PINDIR_OUTPUT) {
- IPin *connected;
- hr = pin->ConnectedTo(&connected);
- if (SUCCEEDED(hr)) {
- ++outputPins;
- IMemInputPin *inputPin;
- hr = connected->QueryInterface(IID_PPV_ARGS(&inputPin));
- connected->Release();
- if (SUCCEEDED(hr)) {
- hr = inputPin->ReceiveCanBlock();
- inputPin->Release();
- if (hr != S_FALSE)
- return S_OK;
- } else {
- return S_OK;
- }
- }
- }
- }
-
- return outputPins == 0 ? S_OK : S_FALSE;
-}
-
-QT_END_NAMESPACE