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Diffstat (limited to 'src/plugins/mediaservices/directshow/mediaplayer/directshowsamplescheduler.cpp')
-rw-r--r--src/plugins/mediaservices/directshow/mediaplayer/directshowsamplescheduler.cpp403
1 files changed, 0 insertions, 403 deletions
diff --git a/src/plugins/mediaservices/directshow/mediaplayer/directshowsamplescheduler.cpp b/src/plugins/mediaservices/directshow/mediaplayer/directshowsamplescheduler.cpp
deleted file mode 100644
index 23675fb..0000000
--- a/src/plugins/mediaservices/directshow/mediaplayer/directshowsamplescheduler.cpp
+++ /dev/null
@@ -1,403 +0,0 @@
-/****************************************************************************
-**
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
-** All rights reserved.
-** Contact: Nokia Corporation (qt-info@nokia.com)
-**
-** This file is part of the plugins of the Qt Toolkit.
-**
-** $QT_BEGIN_LICENSE:LGPL$
-** 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 "directshowsamplescheduler.h"
-
-#include <QtCore/qcoreevent.h>
-
-
-QT_BEGIN_NAMESPACE
-
-class DirectShowTimedSample
-{
-public:
- DirectShowTimedSample(IMediaSample *sample)
- : m_next(0)
- , m_sample(sample)
- , m_cookie(0)
- , m_lastSample(false)
- {
- m_sample->AddRef();
- }
-
- ~DirectShowTimedSample()
- {
- m_sample->Release();
- }
-
- IMediaSample *sample() const { return m_sample; }
-
- DirectShowTimedSample *nextSample() const { return m_next; }
- void setNextSample(DirectShowTimedSample *sample) { Q_ASSERT(!m_next); m_next = sample; }
-
- DirectShowTimedSample *remove() {
- DirectShowTimedSample *next = m_next; delete this; return next; }
-
- bool schedule(IReferenceClock *clock, REFERENCE_TIME startTime, HANDLE handle);
- void unschedule(IReferenceClock *clock);
-
- bool isReady(IReferenceClock *clock) const;
-
- bool isLast() const { return m_lastSample; }
- void setLast() { m_lastSample = true; }
-
-private:
- DirectShowTimedSample *m_next;
- IMediaSample *m_sample;
- DWORD_PTR m_cookie;
- bool m_lastSample;
-};
-
-bool DirectShowTimedSample::schedule(
- IReferenceClock *clock, REFERENCE_TIME startTime, HANDLE handle)
-{
- REFERENCE_TIME sampleStartTime;
- REFERENCE_TIME sampleEndTime;
- if (m_sample->GetTime(&sampleStartTime, &sampleEndTime) == S_OK) {
- if (clock->AdviseTime(
- startTime, sampleStartTime, reinterpret_cast<HEVENT>(handle), &m_cookie) == S_OK) {
- return true;
- }
- }
- return false;
-}
-
-void DirectShowTimedSample::unschedule(IReferenceClock *clock)
-{
- clock->Unadvise(m_cookie);
-}
-
-bool DirectShowTimedSample::isReady(IReferenceClock *clock) const
-{
- REFERENCE_TIME sampleStartTime;
- REFERENCE_TIME sampleEndTime;
- REFERENCE_TIME currentTime;
- if (m_sample->GetTime(&sampleStartTime, &sampleEndTime) == S_OK) {
- if (clock->GetTime(&currentTime) == S_OK)
- return currentTime >= sampleStartTime;
- }
- return true;
-}
-
-DirectShowSampleScheduler::DirectShowSampleScheduler(IUnknown *pin, QObject *parent)
- : QObject(parent)
- , m_pin(pin)
- , m_clock(0)
- , m_allocator(0)
- , m_head(0)
- , m_tail(0)
- , m_maximumSamples(2)
- , m_state(Stopped)
- , m_startTime(0)
- , m_timeoutEvent(::CreateEvent(0, 0, 0, 0))
-{
- m_semaphore.release(m_maximumSamples);
-
- m_eventNotifier.setHandle(m_timeoutEvent);
- m_eventNotifier.setEnabled(true);
-
- connect(&m_eventNotifier, SIGNAL(activated(HANDLE)), this, SIGNAL(sampleReady()));
-}
-
-DirectShowSampleScheduler::~DirectShowSampleScheduler()
-{
- m_eventNotifier.setEnabled(false);
-
- ::CloseHandle(m_timeoutEvent);
-
- Q_ASSERT(!m_clock);
- Q_ASSERT(!m_allocator);
-}
-
-HRESULT DirectShowSampleScheduler::QueryInterface(REFIID riid, void **ppvObject)
-{
- return m_pin->QueryInterface(riid, ppvObject);
-}
-
-ULONG DirectShowSampleScheduler::AddRef()
-{
- return m_pin->AddRef();
-}
-
-ULONG DirectShowSampleScheduler::Release()
-{
- return m_pin->Release();
-}
-
-// IMemInputPin
-HRESULT DirectShowSampleScheduler::GetAllocator(IMemAllocator **ppAllocator)
-{
- if (!ppAllocator) {
- return E_POINTER;
- } else {
- QMutexLocker locker(&m_mutex);
-
- if (!m_allocator) {
- return VFW_E_NO_ALLOCATOR;
- } else {
- *ppAllocator = m_allocator;
-
- return S_OK;
- }
- }
-}
-
-HRESULT DirectShowSampleScheduler::NotifyAllocator(IMemAllocator *pAllocator, BOOL bReadOnly)
-{
- Q_UNUSED(bReadOnly);
-
- HRESULT hr;
- ALLOCATOR_PROPERTIES properties;
-
- if (!pAllocator) {
- if (m_allocator)
- m_allocator->Release();
-
- m_allocator = 0;
-
- return S_OK;
- } else if ((hr = pAllocator->GetProperties(&properties)) != S_OK) {
- return hr;
- } else {
- if (properties.cBuffers == 1) {
- ALLOCATOR_PROPERTIES actual;
-
- properties.cBuffers = 2;
- if ((hr = pAllocator->SetProperties(&properties, &actual)) != S_OK)
- return hr;
- }
-
- QMutexLocker locker(&m_mutex);
-
- if (m_allocator)
- m_allocator->Release();
-
- m_allocator = pAllocator;
- m_allocator->AddRef();
-
- return S_OK;
- }
-}
-
-HRESULT DirectShowSampleScheduler::GetAllocatorRequirements(ALLOCATOR_PROPERTIES *pProps)
-{
- if (!pProps)
- return E_POINTER;
-
- pProps->cBuffers = 2;
-
- return S_OK;
-}
-
-HRESULT DirectShowSampleScheduler::Receive(IMediaSample *pSample)
-{
- if (!pSample)
- return E_POINTER;
-
- m_semaphore.acquire(1);
-
- QMutexLocker locker(&m_mutex);
-
- if (m_state & Flushing) {
- m_semaphore.release(1);
-
- return S_FALSE;
- } else if (m_state == Stopped) {
- m_semaphore.release();
-
- return VFW_E_WRONG_STATE;
- } else {
- DirectShowTimedSample *timedSample = new DirectShowTimedSample(pSample);
-
- if (m_tail)
- m_tail->setNextSample(timedSample);
- else
- m_head = timedSample;
-
- m_tail = timedSample;
-
- if (m_state == Running) {
- if (!timedSample->schedule(m_clock, m_startTime, m_timeoutEvent)) {
- // Timing information is unavailable, so schedule frames immediately.
- QMetaObject::invokeMethod(this, "sampleReady", Qt::QueuedConnection);
- }
- } else if (m_tail == m_head) {
- // If this is the first frame make is available.
- QMetaObject::invokeMethod(this, "sampleReady", Qt::QueuedConnection);
- }
-
- return S_OK;
- }
-}
-
-HRESULT DirectShowSampleScheduler::ReceiveMultiple(
- IMediaSample **pSamples, long nSamples, long *nSamplesProcessed)
-{
- if (!pSamples || !nSamplesProcessed)
- return E_POINTER;
-
- for (*nSamplesProcessed = 0; *nSamplesProcessed < nSamples; ++(*nSamplesProcessed)) {
- HRESULT hr = Receive(pSamples[*nSamplesProcessed]);
-
- if (hr != S_OK)
- return hr;
- }
- return S_OK;
-}
-
-HRESULT DirectShowSampleScheduler::ReceiveCanBlock()
-{
- return S_OK;
-}
-
-void DirectShowSampleScheduler::run(REFERENCE_TIME startTime)
-{
- QMutexLocker locker(&m_mutex);
-
- m_state = (m_state & Flushing) | Running;
- m_startTime = startTime;
-
- for (DirectShowTimedSample *sample = m_head; sample; sample = sample->nextSample()) {
- sample->schedule(m_clock, m_startTime, m_timeoutEvent);
- }
-}
-
-void DirectShowSampleScheduler::pause()
-{
- QMutexLocker locker(&m_mutex);
-
- m_state = (m_state & Flushing) | Paused;
-
- for (DirectShowTimedSample *sample = m_head; sample; sample = sample->nextSample())
- sample->unschedule(m_clock);
-}
-
-void DirectShowSampleScheduler::stop()
-{
- QMutexLocker locker(&m_mutex);
-
- m_state = m_state & Flushing;
-
- for (DirectShowTimedSample *sample = m_head; sample; sample = sample->remove()) {
- sample->unschedule(m_clock);
-
- m_semaphore.release(1);
- }
-
- m_head = 0;
- m_tail = 0;
-}
-
-void DirectShowSampleScheduler::setFlushing(bool flushing)
-{
- QMutexLocker locker(&m_mutex);
-
- const bool isFlushing = m_state & Flushing;
-
- if (isFlushing != flushing) {
- if (flushing) {
- m_state |= Flushing;
-
- for (DirectShowTimedSample *sample = m_head; sample; sample = sample->remove()) {
- sample->unschedule(m_clock);
-
- m_semaphore.release(1);
- }
- m_head = 0;
- m_tail = 0;
- } else {
- m_state &= ~Flushing;
- }
- }
-}
-
-void DirectShowSampleScheduler::setClock(IReferenceClock *clock)
-{
- QMutexLocker locker(&m_mutex);
-
- if (m_clock)
- m_clock->Release();
-
- m_clock = clock;
-
- if (m_clock)
- m_clock->AddRef();
-}
-
-IMediaSample *DirectShowSampleScheduler::takeSample(bool *eos)
-{
- QMutexLocker locker(&m_mutex);
-
- if (m_head && m_head->isReady(m_clock)) {
- IMediaSample *sample = m_head->sample();
- sample->AddRef();
-
- if (m_state == Running) {
- *eos = m_head->isLast();
-
- m_head = m_head->remove();
-
- if (!m_head)
- m_tail = 0;
-
- m_semaphore.release(1);
- }
-
- return sample;
- } else {
- return 0;
- }
-}
-
-bool DirectShowSampleScheduler::scheduleEndOfStream()
-{
- QMutexLocker locker(&m_mutex);
-
- if (m_tail) {
- m_tail->setLast();
-
- return true;
- } else {
- return false;
- }
-}
-
-QT_END_NAMESPACE
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