/* This file is part of the KDE project.
Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
This library is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 2.1 or 3 of the License.
This library 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 Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
#include <QtCore/QVector>
#include <QtCore/QTimerEvent>
#include <QtCore/QTimer>
#include <QtCore/QTime>
#include <QtCore/QLibrary>
#ifndef Q_CC_MSVC
#include <dshow.h>
#endif
#include <objbase.h>
#include <initguid.h>
#include <qnetwork.h>
#include <evcode.h>
#include "mediaobject.h"
#include "videowidget.h"
#include "audiooutput.h"
#include <QtCore/QDebug>
#define TIMER_INTERVAL 16 //... ms for the timer that polls the current state (we use the multimedia timer)
#define PRELOAD_TIME 2000 // 2 seconds to load a source
QT_BEGIN_NAMESPACE
namespace Phonon
{
namespace DS9
{
typedef BOOL (WINAPI* LPAMGETERRORTEXT)(HRESULT, WCHAR *, DWORD);
//first the definition of the WorkerThread class
WorkerThread::WorkerThread()
: QThread(), m_finished(false), m_currentWorkId(1)
{
}
WorkerThread::~WorkerThread()
{
}
void WorkerThread::run()
{
while (m_finished == false) {
HANDLE handles[FILTER_COUNT +1];
handles[0] = m_waitCondition;
int count = 1;
for(int i = 0; i < FILTER_COUNT; ++i) {
if (m_graphHandle[i].graph) {
handles[count++] = m_graphHandle[i].handle;
}
}
DWORD result = ::WaitForMultipleObjects(count, handles, FALSE, INFINITE);
if (result == WAIT_OBJECT_0) {
handleTask();
} else {
//this is the event management
const Graph &graph = m_graphHandle[result - WAIT_OBJECT_0 - 1].graph;
long eventCode;
LONG_PTR param1, param2;
ComPointer<IMediaEvent> mediaEvent(graph, IID_IMediaEvent);
mediaEvent->GetEvent(&eventCode, ¶m1, ¶m2, 0);
emit eventReady(graph, eventCode, param1);
mediaEvent->FreeEventParams(eventCode, param1, param2);
}
}
}
//wants to know as soon as the state is set
void WorkerThread::addStateChangeRequest(Graph graph, OAFilterState state, QList<Filter> decoders)
{
QMutexLocker locker(&m_mutex);
bool found = false;
//we try to see if there is already an attempt to change the state and we remove it
for(int i = 0; !found && i < m_queue.size(); ++i) {
const Work &w = m_queue.at(i);
if (w.graph == graph && w.task == ChangeState) {
found = true;
m_queue.removeAt(i);
}
}
//now let's create the new task
Work w;
w.task = ChangeState;
w.id = m_currentWorkId++;
w.graph = graph;
w.state = state;
w.decoders = decoders;
m_queue.enqueue(w);
m_waitCondition.set();
}
quint16 WorkerThread::addSeekRequest(Graph graph, qint64 time)
{
QMutexLocker locker(&m_mutex);
bool found = false;
//we try to see if there is already an attempt to seek and we remove it
for(int i = 0; !found && i < m_queue.size(); ++i) {
const Work &w = m_queue.at(i);
if (w.graph == graph && w.task == Seek) {
found = true;
m_queue.removeAt(i);
}
}
Work w;
w.task = Seek;
//we create a new graph
w.graph = graph;
w.id = m_currentWorkId++;
w.time = time;
m_queue.enqueue(w);
m_waitCondition.set();
return w.id;
}
quint16 WorkerThread::addUrlToRender(const QString &url)
{
QMutexLocker locker(&m_mutex);
Work w;
w.task = Render;
//we create a new graph
w.graph = Graph(CLSID_FilterGraph, IID_IGraphBuilder);
w.url = url;
w.url.detach();
w.id = m_currentWorkId++;
m_queue.enqueue(w);
m_waitCondition.set();
return w.id;
}
quint16 WorkerThread::addFilterToRender(const Filter &filter)
{
QMutexLocker locker(&m_mutex);
Work w;
w.task = Render;
//we create a new graph
w.graph = Graph(CLSID_FilterGraph, IID_IGraphBuilder);
w.filter = filter;
w.graph->AddFilter(filter, 0);
w.id = m_currentWorkId++;
m_queue.enqueue(w);
m_waitCondition.set();
return w.id;
}
void WorkerThread::replaceGraphForEventManagement(Graph newGraph, Graph oldGraph)
{
QMutexLocker locker(&m_mutex);
Work w;
w.task = ReplaceGraph;
w.graph = newGraph;
w.oldGraph = oldGraph;
m_queue.enqueue(w);
m_waitCondition.set();
}
void WorkerThread::handleTask()
{
QMutexLocker locker(Backend::directShowMutex);
{
QMutexLocker locker(&m_mutex);
if (m_finished || m_queue.isEmpty()) {
return;
}
m_currentWork = m_queue.dequeue();
//we ensure to have the wait condition in the right state
if (m_queue.isEmpty()) {
m_waitCondition.reset();
} else {
m_waitCondition.set();
}
}
HRESULT hr = S_OK;
if (m_currentWork.task == ReplaceGraph) {
int index = -1;
for(int i = 0; i < FILTER_COUNT; ++i) {
if (m_graphHandle[i].graph == m_currentWork.oldGraph) {
m_graphHandle[i].graph = Graph();
index = i;
break;
} else if (index == -1 && m_graphHandle[i].graph == 0) {
//this is the first available slot
index = i;
}
}
Q_ASSERT(index != -1);
//add the new graph
HANDLE h;
if (SUCCEEDED(ComPointer<IMediaEvent>(m_currentWork.graph, IID_IMediaEvent)
->GetEventHandle(reinterpret_cast<OAEVENT*>(&h)))) {
m_graphHandle[index].graph = m_currentWork.graph;
m_graphHandle[index].handle = h;
}
} else if (m_currentWork.task == Render) {
if (m_currentWork.filter) {
//let's render pins
const QList<OutputPin> outputs = BackendNode::pins(m_currentWork.filter, PINDIR_OUTPUT);
for (int i = 0; SUCCEEDED(hr) && i < outputs.count(); ++i) {
hr = m_currentWork.graph->Render(outputs.at(i));
}
} else if (!m_currentWork.url.isEmpty()) {
//let's render a url (blocking call)
hr = m_currentWork.graph->RenderFile(reinterpret_cast<const wchar_t *>(m_currentWork.url.utf16()), 0);
}
if (hr != E_ABORT) {
emit asyncRenderFinished(m_currentWork.id, hr, m_currentWork.graph);
}
} else if (m_currentWork.task == Seek) {
//that's a seekrequest
ComPointer<IMediaSeeking> mediaSeeking(m_currentWork.graph, IID_IMediaSeeking);
qint64 newtime = m_currentWork.time * 10000;
hr = mediaSeeking->SetPositions(&newtime, AM_SEEKING_AbsolutePositioning,
0, AM_SEEKING_NoPositioning);
emit asyncSeekingFinished(m_currentWork.id, newtime / 10000);
hr = E_ABORT; //to avoid emitting asyncRenderFinished
} else if (m_currentWork.task == ChangeState) {
//remove useless decoders
QList<Filter> unused;
for (int i = 0; i < m_currentWork.decoders.count(); ++i) {
const Filter &filter = m_currentWork.decoders.at(i);
bool used = false;
const QList<OutputPin> pins = BackendNode::pins(filter, PINDIR_OUTPUT);
for( int i = 0; i < pins.count(); ++i) {
InputPin input;
if (pins.at(i)->ConnectedTo(input.pparam()) == S_OK) {
used = true;
}
}
if (!used) {
unused += filter;
}
}
//we can get the state
for (int i = 0; i < unused.count(); ++i) {
//we should remove this filter from the graph
m_currentWork.graph->RemoveFilter(unused.at(i));
}
//we can get the state
ComPointer<IMediaControl> mc(m_currentWork.graph, IID_IMediaControl);
//we change the state here
switch(m_currentWork.state)
{
case State_Stopped:
mc->Stop();
break;
case State_Paused:
mc->Pause();
break;
case State_Running:
mc->Run();
break;
}
OAFilterState s;
//blocking call
HRESULT hr = mc->GetState(INFINITE, &s);
if (SUCCEEDED(hr)) {
if (s == State_Stopped) {
emit stateReady(m_currentWork.graph, Phonon::StoppedState);
} else if (s == State_Paused) {
emit stateReady(m_currentWork.graph, Phonon::PausedState);
} else /*if (s == State_Running)*/ {
emit stateReady(m_currentWork.graph, Phonon::PlayingState);
}
}
}
{
QMutexLocker locker(&m_mutex);
m_currentWork = Work(); //reinitialize
}
}
void WorkerThread::abortCurrentRender(qint16 renderId)
{
QMutexLocker locker(&m_mutex);
if (m_currentWork.id == renderId) {
m_currentWork.graph->Abort();
}
bool found = false;
for(int i = 0; !found && i < m_queue.size(); ++i) {
const Work &w = m_queue.at(i);
if (w.id == renderId) {
found = true;
m_queue.removeAt(i);
if (m_queue.isEmpty()) {
m_waitCondition.reset();
}
}
}
}
//tells the thread to stop processing
void WorkerThread::signalStop()
{
QMutexLocker locker(&m_mutex);
m_queue.clear();
if (m_currentWork.graph) {
//in case we're currently rendering something
m_currentWork.graph->Abort();
}
m_finished = true;
m_waitCondition.set();
}
MediaObject::MediaObject(QObject *parent) : BackendNode(parent),
transactionState(Phonon::StoppedState),
m_errorType(Phonon::NoError),
m_state(Phonon::LoadingState),
m_nextState(Phonon::StoppedState),
m_prefinishMark(0),
m_tickInterval(0),
m_buffering(false),
m_oldHasVideo(false),
m_prefinishMarkSent(false),
m_aboutToFinishSent(false),
m_nextSourceReadyToStart(false),
#ifndef QT_NO_PHONON_MEDIACONTROLLER
m_autoplayTitles(true),
m_currentTitle(0),
#endif //QT_NO_PHONON_MEDIACONTROLLER
m_targetTick(INFINITE)
{
for(int i = 0; i < FILTER_COUNT; ++i) {
m_graphs[i] = new MediaGraph(this, i);
}
connect(&m_thread, SIGNAL(stateReady(Graph,Phonon::State)),
SLOT(slotStateReady(Graph,Phonon::State)));
connect(&m_thread, SIGNAL(eventReady(Graph,long,long)),
SLOT(handleEvents(Graph,long,long)));
connect(&m_thread, SIGNAL(asyncRenderFinished(quint16,HRESULT,Graph)),
SLOT(finishLoading(quint16,HRESULT,Graph)));
connect(&m_thread, SIGNAL(asyncSeekingFinished(quint16,qint64)),
SLOT(finishSeeking(quint16,qint64)));
//really special case
m_mediaObject = this;
m_thread.start();
}
MediaObject::~MediaObject()
{
//be sure to finish the timer first
m_tickTimer.stop();
//we finish the worker thread here
m_thread.signalStop();
m_thread.wait();
//and then we delete the graphs
for (int i = 0; i < FILTER_COUNT; ++i) {
delete m_graphs[i];
}
}
WorkerThread *MediaObject::workerThread()
{
return &m_thread;
}
MediaGraph *MediaObject::currentGraph() const
{
return m_graphs[0];
}
MediaGraph *MediaObject::nextGraph() const
{
return m_graphs[FILTER_COUNT - 1];
}
//utility function to save the graph to a file
void MediaObject::timerEvent(QTimerEvent *e)
{
if (e->timerId() == m_tickTimer.timerId()) {
const qint64 current = currentTime();
const qint64 total = totalTime();
if ( m_tickInterval != 0 && current > m_targetTick) {
updateTargetTick();
emit tick(current);
}
//check that the title hasn't changed
#ifndef QT_NO_PHONON_MEDIACONTROLLER
if (m_autoplayTitles && m_currentTitle < _iface_availableTitles() - 1) {
if (current >= total) {
//we go to the next title
_iface_setCurrentTitle(m_currentTitle + 1, false);
emit tick(current);
}
return;
}
#endif //QT_NO_PHONON_MEDIACONTROLLER
if (total) {
const qint64 remaining = total - current;
if (m_transitionTime < 0 && m_nextSourceReadyToStart) {
if (remaining < -m_transitionTime + TIMER_INTERVAL/2) {
//we need to switch graphs to run the next source in the queue (with cross-fading)
switchToNextSource();
return;
} else if (current < -m_transitionTime) {
//we are currently crossfading
for (int i = 0; i < m_audioOutputs.count(); ++i) {
m_audioOutputs.at(i)->setCrossFadingProgress( currentGraph()->index(), qMin( qreal(1.), qreal(current) / qreal(-m_transitionTime)));
}
}
}
if (m_prefinishMark > 0 && !m_prefinishMarkSent && remaining < m_prefinishMark + TIMER_INTERVAL/2) {
#ifdef GRAPH_DEBUG
qDebug() << "DS9: emit prefinishMarkReached" << remaining << QTime::currentTime().toString();
#endif
m_prefinishMarkSent = true;
emit prefinishMarkReached( remaining );
}
if (!m_aboutToFinishSent && remaining < PRELOAD_TIME - m_transitionTime + TIMER_INTERVAL/2) {
//let's take a 2 seconds time to actually load the next file
#ifdef GRAPH_DEBUG
qDebug() << "DS9: emit aboutToFinish" << remaining << QTime::currentTime().toString();
#endif
m_aboutToFinishSent = true;
emit aboutToFinish();
}
} else {
//total is 0: the stream is probably live (endless)
}
if (m_buffering) {
ComPointer<IAMNetworkStatus> status(currentGraph()->realSource(), IID_IAMNetworkStatus);
if (status) {
long l;
status->get_BufferingProgress(&l);
emit bufferStatus(l);
#ifdef GRAPH_DEBUG
qDebug() << "emit bufferStatus(" << l << ")";
#endif
}
}
}
}
void MediaObject::switchToNextSource()
{
m_prefinishMarkSent = false;
m_aboutToFinishSent = false;
m_nextSourceReadyToStart = false;
m_oldHasVideo = currentGraph()->hasVideo();
qSwap(m_graphs[0], m_graphs[1]); //swap the graphs
if (m_transitionTime >= 0)
m_graphs[1]->stop(); //make sure we stop the previous graph
if (currentGraph()->mediaSource().type() != Phonon::MediaSource::Invalid &&
catchComError(currentGraph()->renderResult())) {
setState(Phonon::ErrorState);
return;
}
//we need to play the next media
play();
//we tell the video widgets to switch now to the new source
#ifndef QT_NO_PHONON_VIDEO
for (int i = 0; i < m_videoWidgets.count(); ++i) {
m_videoWidgets.at(i)->setCurrentGraph(currentGraph()->index());
}
#endif //QT_NO_PHONON_VIDEO
emit currentSourceChanged(currentGraph()->mediaSource());
emit metaDataChanged(currentGraph()->metadata());
if (nextGraph()->hasVideo() != currentGraph()->hasVideo()) {
emit hasVideoChanged(currentGraph()->hasVideo());
}
emit tick(0);
emit totalTimeChanged(totalTime());
#ifndef QT_NO_PHONON_MEDIACONTROLLER
setTitles(currentGraph()->titles());
#endif //QT_NO_PHONON_MEDIACONTROLLER
}
Phonon::State MediaObject::state() const
{
if (m_buffering) {
return Phonon::BufferingState;
} else {
return m_state;
}
}
bool MediaObject::hasVideo() const
{
return currentGraph()->hasVideo();
}
bool MediaObject::isSeekable() const
{
return currentGraph()->isSeekable();
}
qint64 MediaObject::totalTime() const
{
#ifndef QT_NO_PHONON_MEDIACONTROLLER
//1st, check if there is more titles after
const qint64 ret = (m_currentTitle < _iface_availableTitles() - 1) ?
titleAbsolutePosition(m_currentTitle+1) : currentGraph()->absoluteTotalTime();
//this is the duration of the current title
return ret - titleAbsolutePosition(m_currentTitle);
#else
return currentGraph()->absoluteTotalTime();
#endif //QT_NO_PHONON_MEDIACONTROLLER
}
qint64 MediaObject::currentTime() const
{
//this handles inaccuracy when stopping on a title
return currentGraph()->absoluteCurrentTime()
#ifndef QT_NO_PHONON_MEDIACONTROLLER
- titleAbsolutePosition(m_currentTitle)
#endif //QT_NO_PHONON_MEDIACONTROLLER
;
}
qint32 MediaObject::tickInterval() const
{
return m_tickInterval;
}
void MediaObject::setTickInterval(qint32 newTickInterval)
{
m_tickInterval = newTickInterval;
updateTargetTick();
}
void MediaObject::pause()
{
if (currentGraph()->isLoading()) {
m_nextState = Phonon::PausedState;
} else {
currentGraph()->pause();
}
}
void MediaObject::stop()
{
if (currentGraph()->isLoading()) {
m_nextState = Phonon::StoppedState;
} else {
currentGraph()->stop();
}
}
void MediaObject::ensureStopped()
{
currentGraph()->ensureStopped();
if (m_state == Phonon::ErrorState) {
//we reset the state here
m_state = Phonon::StoppedState;
}
}
void MediaObject::play()
{
if (currentGraph()->isLoading()) {
m_nextState = Phonon::PlayingState;
} else {
currentGraph()->play();
}
}
QString MediaObject::errorString() const
{
return m_errorString;
}
Phonon::ErrorType MediaObject::errorType() const
{
return m_errorType;
}
void MediaObject::updateTargetTick()
{
if (m_tickInterval) {
const qint64 current = currentTime();
m_targetTick = current / m_tickInterval * m_tickInterval;
if (current == 0 || m_targetTick < current) {
m_targetTick += m_tickInterval;
}
}
}
void MediaObject::setState(Phonon::State newstate)
{
if (newstate == Phonon::PlayingState) {
updateTargetTick();
}
if (newstate == m_state) {
return;
}
//manage the timer
if (newstate == Phonon::PlayingState) {
m_tickTimer.start(TIMER_INTERVAL, this);
} else {
m_tickTimer.stop();
}
Phonon::State oldstate = state();
m_state = newstate;
emit stateChanged(newstate, oldstate);
}
qint32 MediaObject::prefinishMark() const
{
return m_prefinishMark;
}
void MediaObject::setPrefinishMark(qint32 newPrefinishMark)
{
m_prefinishMark = newPrefinishMark;
}
qint32 MediaObject::transitionTime() const
{
return m_transitionTime;
}
void MediaObject::setTransitionTime(qint32 time)
{
m_transitionTime = time;
}
qint64 MediaObject::remainingTime() const
{
return totalTime() - currentTime();
}
Phonon::MediaSource MediaObject::source() const
{
return currentGraph()->mediaSource();
}
void MediaObject::setNextSource(const Phonon::MediaSource &source)
{
m_nextSourceReadyToStart = true;
const bool shouldSwitch = (m_state == Phonon::StoppedState || m_state == Phonon::ErrorState);
nextGraph()->loadSource(source); //let's preload the source
if (shouldSwitch) {
switchToNextSource();
}
}
void MediaObject::setSource(const Phonon::MediaSource &source)
{
m_nextSourceReadyToStart = false;
m_prefinishMarkSent = false;
m_aboutToFinishSent = false;
m_oldHasVideo = currentGraph()->hasVideo();
setState(Phonon::LoadingState);
//After loading we go into stopped state
m_nextState = Phonon::StoppedState;
catchComError(currentGraph()->loadSource(source));
emit currentSourceChanged(source);
}
void MediaObject::slotStateReady(Graph graph, Phonon::State newState)
{
if (graph == currentGraph()->graph() && !currentGraph()->isLoading()) {
setState(newState);
}
}
void MediaObject::loadingFinished(MediaGraph *mg)
{
if (mg == currentGraph()) {
#ifndef QT_NO_PHONON_MEDIACONTROLLER
//Title interface
m_currentTitle = 0;
setTitles(currentGraph()->titles());
#endif //QT_NO_PHONON_MEDIACONTROLLER
HRESULT hr = mg->renderResult();
if (catchComError(hr)) {
return;
}
if (m_oldHasVideo != currentGraph()->hasVideo()) {
emit hasVideoChanged(currentGraph()->hasVideo());
}
#ifndef QT_NO_PHONON_VIDEO
if (currentGraph()->hasVideo()) {
updateVideoGeometry();
}
#endif //QT_NO_PHONON_VIDEO
emit metaDataChanged(currentGraph()->metadata());
emit totalTimeChanged(totalTime());
//let's put the next state
switch(m_nextState)
{
case Phonon::PausedState:
pause();
break;
case Phonon::PlayingState:
play();
break;
case Phonon::ErrorState:
setState(Phonon::ErrorState);
break;
case Phonon::StoppedState:
default:
stop();
break;
}
}
}
void MediaObject::seek(qint64 time)
{
//we seek into the current title
currentGraph()->absoluteSeek(time
#ifndef QT_NO_PHONON_MEDIACONTROLLER
+ titleAbsolutePosition(m_currentTitle)
#endif //QT_NO_PHONON_MEDIACONTROLLER
);
}
void MediaObject::seekingFinished(MediaGraph *mg)
{
if (mg == currentGraph()) {
updateTargetTick();
if (currentTime() < totalTime() - m_prefinishMark) {
m_prefinishMarkSent = false;
}
if (currentTime() < totalTime() - PRELOAD_TIME + m_transitionTime) {
m_aboutToFinishSent = false;
}
//this helps the update of the application (seekslider for example)
if (m_state == PausedState || m_state == PlayingState) {
emit tick(currentTime());
}
}
}
bool MediaObject::catchComError(HRESULT hr)
{
m_errorString.clear();
m_errorType = Phonon::NoError;
if (hr != S_OK) {
#ifdef GRAPH_DEBUG
qWarning("an error occurred 0x%x",hr);
#endif
LPAMGETERRORTEXT getErrorText = (LPAMGETERRORTEXT)QLibrary::resolve(QLatin1String("quartz"), "AMGetErrorTextW");
WCHAR buffer[MAX_ERROR_TEXT_LEN];
if (getErrorText && getErrorText(hr, buffer, MAX_ERROR_TEXT_LEN)) {
m_errorString = QString::fromWCharArray(buffer);
} else {
m_errorString = QString::fromLatin1("Unknown error");
}
const QString comError = QString::number(uint(hr), 16);
if (!m_errorString.toLower().contains(comError.toLower())) {
m_errorString += QString::fromLatin1(" (0x%1)").arg(comError);
}
if (FAILED(hr)) {
m_errorType = Phonon::FatalError;
setState(Phonon::ErrorState);
} else {
m_errorType = Phonon::NormalError;
m_nextState = Phonon::ErrorState;
}
} else {
m_errorType = Phonon::NoError;
}
return m_errorType == Phonon::FatalError;
}
void MediaObject::grabNode(BackendNode *node)
{
for (int i = 0; i < FILTER_COUNT; ++i) {
m_graphs[i]->grabNode(node);
}
node->setMediaObject(this);
}
bool MediaObject::connectNodes(BackendNode *source, BackendNode *sink)
{
bool ret = true;
for (int i = 0; i < FILTER_COUNT; ++i) {
ret = ret && m_graphs[i]->connectNodes(source, sink);
}
if (ret) {
#ifndef QT_NO_PHONON_VIDEO
if (VideoWidget *video = qobject_cast<VideoWidget*>(sink)) {
m_videoWidgets += video;
} else
#endif //QT_NO_PHONON_VIDEO
if (AudioOutput *audio = qobject_cast<AudioOutput*>(sink)) {
m_audioOutputs += audio;
}
}
return ret;
}
bool MediaObject::disconnectNodes(BackendNode *source, BackendNode *sink)
{
bool ret = true;
for (int i = 0; i < FILTER_COUNT; ++i) {
ret = ret && m_graphs[i]->disconnectNodes(source, sink);
}
if (ret) {
#ifndef QT_NO_PHONON_VIDEO
if (VideoWidget *video = qobject_cast<VideoWidget*>(sink)) {
m_videoWidgets.removeOne(video);
} else
#endif //QT_NO_PHONON_VIDEO
if (AudioOutput *audio = qobject_cast<AudioOutput*>(sink)) {
m_audioOutputs.removeOne(audio);
}
}
return ret;
}
#ifndef QT_NO_PHONON_VIDEO
void MediaObject::updateVideoGeometry()
{
for (int i = 0; i < m_videoWidgets.count(); ++i) {
m_videoWidgets.at(i)->notifyVideoLoaded();
}
}
#endif //QT_NO_PHONON_VIDEO
void MediaObject::handleComplete(IGraphBuilder *graph)
{
if (graph == currentGraph()->graph()) {
if (m_transitionTime >= PRELOAD_TIME || m_aboutToFinishSent == false) {
emit aboutToFinish(); //give a chance to the frontend to give a next source
m_aboutToFinishSent = true;
}
if (!m_nextSourceReadyToStart) {
//this is the last source, we simply finish
const qint64 current = currentTime();
const OAFilterState currentState = currentGraph()->syncGetRealState();
emit tick(current); //this ensures that the end of the seek slider is reached
emit finished();
if (currentTime() == current && currentGraph()->syncGetRealState() == currentState) {
//no seek operation in-between
pause();
setState(Phonon::PausedState); //we set it here
}
} else if (m_transitionTime == 0) {
//gapless transition
switchToNextSource(); //let's call the function immediately
} else if (m_transitionTime > 0) {
//management of the transition (if it is >= 0)
QTimer::singleShot(m_transitionTime, this, SLOT(switchToNextSource()));
}
} else {
//it is just the end of the previous source (in case of cross-fading)
nextGraph()->cleanup();
}
for (int i = 0; i < m_audioOutputs.count(); ++i) {
m_audioOutputs.at(i)->setCrossFadingProgress( currentGraph()->index(), 1.); //cross-fading is in any case finished
}
}
void MediaObject::finishLoading(quint16 workId, HRESULT hr, Graph graph)
{
for(int i = 0; i < FILTER_COUNT; ++i) {
m_graphs[i]->finishLoading(workId, hr, graph);
}
}
void MediaObject::finishSeeking(quint16 workId, qint64 time)
{
for(int i = 0; i < FILTER_COUNT; ++i) {
m_graphs[i]->finishSeeking(workId, time);
}
}
void MediaObject::handleEvents(Graph graph, long eventCode, long param1)
{
QString eventDescription;
switch (eventCode)
{
case EC_BUFFERING_DATA:
if (graph == currentGraph()->graph()) {
m_buffering = param1;
emit stateChanged(state(), m_state);
}
break;
case EC_LENGTH_CHANGED:
if (graph == currentGraph()->graph()) {
emit totalTimeChanged( totalTime() );
}
break;
case EC_COMPLETE:
handleComplete(graph);
break;
#ifndef QT_NO_PHONON_VIDEO
case EC_VIDEO_SIZE_CHANGED:
if (graph == currentGraph()->graph()) {
updateVideoGeometry();
}
break;
#endif //QT_NO_PHONON_VIDEO
#ifdef GRAPH_DEBUG
case EC_ACTIVATE: qDebug() << "EC_ACTIVATE: A video window is being " << (param1 ? "ACTIVATED" : "DEACTIVATED"); break;
case EC_BUILT: qDebug() << "EC_BUILT: Send by the Video Control when a graph has been built. Not forwarded to applications."; break;
case EC_CLOCK_CHANGED: qDebug() << "EC_CLOCK_CHANGED"; break;
case EC_CLOCK_UNSET: qDebug() << "EC_CLOCK_UNSET: The clock provider was disconnected."; break;
case EC_CODECAPI_EVENT: qDebug() << "EC_CODECAPI_EVENT: Sent by an encoder to signal an encoding event."; break;
case EC_DEVICE_LOST: qDebug() << "EC_DEVICE_LOST: A Plug and Play device was removed or has become available again."; break;
case EC_DISPLAY_CHANGED: qDebug() << "EC_DISPLAY_CHANGED: The display mode has changed."; break;
case EC_END_OF_SEGMENT: qDebug() << "EC_END_OF_SEGMENT: The end of a segment has been reached."; break;
case EC_ERROR_STILLPLAYING: qDebug() << "EC_ERROR_STILLPLAYING: An asynchronous command to run the graph has failed."; break;
case EC_ERRORABORT: qDebug() << "EC_ERRORABORT: An operation was aborted because of an error."; break;
case EC_EXTDEVICE_MODE_CHANGE: qDebug() << "EC_EXTDEVICE_MODE_CHANGE: Not supported."; break;
case EC_FULLSCREEN_LOST: qDebug() << "EC_FULLSCREEN_LOST: The video renderer is switching out of full-screen mode."; break;
case EC_GRAPH_CHANGED: qDebug() << "EC_GRAPH_CHANGED: The filter graph has changed."; break;
case EC_NEED_RESTART: qDebug() << "EC_NEED_RESTART: A filter is requesting that the graph be restarted."; break;
case EC_NOTIFY_WINDOW: qDebug() << "EC_NOTIFY_WINDOW: Notifies a filter of the video renderer's window."; break;
case EC_OLE_EVENT: qDebug() << "EC_OLE_EVENT: A filter is passing a text string to the application."; break;
case EC_OPENING_FILE: qDebug() << "EC_OPENING_FILE: The graph is opening a file, or has finished opening a file."; break;
case EC_PALETTE_CHANGED: qDebug() << "EC_PALETTE_CHANGED: The video palette has changed."; break;
case EC_PAUSED: qDebug() << "EC_PAUSED: A pause request has completed."; break;
case EC_PREPROCESS_COMPLETE: qDebug() << "EC_PREPROCESS_COMPLETE: Sent by the WM ASF Writer filter when it completes the pre-processing for multipass encoding."; break;
case EC_QUALITY_CHANGE: qDebug() << "EC_QUALITY_CHANGE: The graph is dropping samples, for quality control."; break;
case EC_REPAINT: qDebug() << "EC_REPAINT: A video renderer requires a repaint."; break;
case EC_SEGMENT_STARTED: qDebug() << "EC_SEGMENT_STARTED: A new segment has started."; break;
case EC_SHUTTING_DOWN: qDebug() << "EC_SHUTTING_DOWN: The filter graph is shutting down, prior to being destroyed."; break;
case EC_SNDDEV_IN_ERROR: qDebug() << "EC_SNDDEV_IN_ERROR: A device error has occurred in an audio capture filter."; break;
case EC_SNDDEV_OUT_ERROR: qDebug() << "EC_SNDDEV_OUT_ERROR: A device error has occurred in an audio renderer filter."; break;
case EC_STARVATION: qDebug() << "EC_STARVATION: A filter is not receiving enough data."; break;
case EC_STATE_CHANGE: qDebug() << "EC_STATE_CHANGE: The filter graph has changed state."; break;
case EC_STEP_COMPLETE: qDebug() << "EC_STEP_COMPLETE: A filter performing frame stepping has stepped the specified number of frames."; break;
case EC_STREAM_CONTROL_STARTED: qDebug() << "EC_STREAM_CONTROL_STARTED: A stream-control start command has taken effect."; break;
case EC_STREAM_CONTROL_STOPPED: qDebug() << "EC_STREAM_CONTROL_STOPPED: A stream-control stop command has taken effect."; break;
case EC_STREAM_ERROR_STILLPLAYING: qDebug() << "EC_STREAM_ERROR_STILLPLAYING: An error has occurred in a stream. The stream is still playing."; break;
case EC_STREAM_ERROR_STOPPED: qDebug() << "EC_STREAM_ERROR_STOPPED: A stream has stopped because of an error."; break;
case EC_TIMECODE_AVAILABLE: qDebug() << "EC_TIMECODE_AVAILABLE: Not supported."; break;
case EC_UNBUILT: qDebug() << "Sent by the Video Control when a graph has been torn down. Not forwarded to applications."; break;
case EC_USERABORT: qDebug() << "EC_USERABORT: Send by the Video Control when a graph has been torn down. Not forwarded to applications."; break;
case EC_VMR_RECONNECTION_FAILED: qDebug() << "EC_VMR_RECONNECTION_FAILED: Sent by the VMR-7 and the VMR-9 when it was unable to accept a dynamic format change request from the upstream decoder."; break;
case EC_VMR_RENDERDEVICE_SET: qDebug() << "EC_VMR_RENDERDEVICE_SET: Sent when the VMR has selected its rendering mechanism."; break;
case EC_VMR_SURFACE_FLIPPED: qDebug() << "EC_VMR_SURFACE_FLIPPED: Sent when the VMR-7's allocator presenter has called the DirectDraw Flip method on the surface being presented."; break;
case EC_WINDOW_DESTROYED: qDebug() << "EC_WINDOW_DESTROYED: The video renderer was destroyed or removed from the graph"; break;
case EC_WMT_EVENT: qDebug() << "EC_WMT_EVENT: Sent by the Windows Media Format SDK when an application uses the ASF Reader filter to play ASF files protected by digital rights management (DRM)."; break;
case EC_WMT_INDEX_EVENT: qDebug() << "EC_WMT_INDEX_EVENT: Sent by the Windows Media Format SDK when an application uses the ASF Writer to index Windows Media Video files."; break;
//documented by Microsoft but not supported in the Platform SDK
// case EC_BANDWIDTHCHANGE : qDebug() << "EC_BANDWIDTHCHANGE: not supported"; break;
// case EC_CONTENTPROPERTY_CHANGED: qDebug() << "EC_CONTENTPROPERTY_CHANGED: not supported."; break;
// case EC_EOS_SOON: qDebug() << "EC_EOS_SOON: not supported"; break;
// case EC_ERRORABORTEX: qDebug() << "EC_ERRORABORTEX: An operation was aborted because of an error."; break;
// case EC_FILE_CLOSED: qDebug() << "EC_FILE_CLOSED: The source file was closed because of an unexpected event."; break;
// case EC_LOADSTATUS: qDebug() << "EC_LOADSTATUS: Notifies the application of progress when opening a network file."; break;
// case EC_MARKER_HIT: qDebug() << "EC_MARKER_HIT: not supported."; break;
// case EC_NEW_PIN: qDebug() << "EC_NEW_PIN: not supported."; break;
// case EC_PLEASE_REOPEN: qDebug() << "EC_PLEASE_REOPEN: The source file has changed."; break;
// case EC_PROCESSING_LATENCY: qDebug() << "EC_PROCESSING_LATENCY: Indicates the amount of time that a component is taking to process each sample."; break;
// case EC_RENDER_FINISHED: qDebug() << "EC_RENDER_FINISHED: Not supported."; break;
// case EC_SAMPLE_LATENCY: qDebug() << "EC_SAMPLE_LATENCY: Specifies how far behind schedule a component is for processing samples."; break;
// case EC_SAMPLE_NEEDED: qDebug() << "EC_SAMPLE_NEEDED: Requests a new input sample from the Enhanced Video Renderer (EVR) filter."; break;
// case EC_SCRUB_TIME: qDebug() << "EC_SCRUB_TIME: Specifies the time stamp for the most recent frame step."; break;
// case EC_STATUS: qDebug() << "EC_STATUS: Contains two arbitrary status strings."; break;
// case EC_VIDEOFRAMEREADY: qDebug() << "EC_VIDEOFRAMEREADY: A video frame is ready for display."; break;
default:
qDebug() << "Unknown event" << eventCode << "(" << param1 << ")";
break;
#else
default:
break;
#endif
}
}
#ifndef QT_NO_PHONON_MEDIACONTROLLER
//interface management
bool MediaObject::hasInterface(Interface iface) const
{
return iface == AddonInterface::TitleInterface;
}
QVariant MediaObject::interfaceCall(Interface iface, int command, const QList<QVariant> ¶ms)
{
if (hasInterface(iface)) {
switch (iface)
{
case TitleInterface:
switch (command)
{
case availableTitles:
return _iface_availableTitles();
case title:
return _iface_currentTitle();
case setTitle:
_iface_setCurrentTitle(params.first().toInt());
break;
case autoplayTitles:
return m_autoplayTitles;
case setAutoplayTitles:
m_autoplayTitles = params.first().toBool();
updateStopPosition();
break;
}
break;
default:
break;
}
}
return QVariant();
}
//TitleInterface
//this is called to set the time for the different titles
qint64 MediaObject::titleAbsolutePosition(int title) const
{
if (title >= 0 && title < m_titles.count()) {
return m_titles.at(title);
} else {
return 0;
}
}
void MediaObject::setTitles(const QList<qint64> &titles)
{
//this is called when the source is loaded
const bool emitSignal = m_titles.count() != titles.count();
m_titles = titles;
if (emitSignal) {
emit availableTitlesChanged(titles.count());
}
updateStopPosition();
}
int MediaObject::_iface_availableTitles() const
{
return m_titles.count() - 1;
}
int MediaObject::_iface_currentTitle() const
{
return m_currentTitle;
}
void MediaObject::_iface_setCurrentTitle(int title, bool bseek)
{
#ifdef GRAPH_DEBUG
qDebug() << "_iface_setCurrentTitle" << title;
#endif
const int oldTitle = m_currentTitle;
m_currentTitle = title;
updateStopPosition();
if (bseek) {
//let's seek to the beginning of the song
seek(0);
} else {
updateTargetTick();
}
if (oldTitle != title) {
emit titleChanged(title);
emit totalTimeChanged(totalTime());
}
}
void MediaObject::updateStopPosition()
{
if (!m_autoplayTitles && m_currentTitle < _iface_availableTitles() - 1) {
//stop position is set to the end of the track
currentGraph()->setStopPosition(titleAbsolutePosition(m_currentTitle+1));
} else {
//stop position is set to the end
currentGraph()->setStopPosition(-1);
}
}
#endif //QT_NO_PHONON_QT_NO_PHONON_MEDIACONTROLLER
void MediaObject::switchFilters(int index, Filter oldFilter, Filter newFilter)
{
if (currentGraph()->index() == index) {
currentGraph()->switchFilters(oldFilter, newFilter);
} else {
nextGraph()->switchFilters(oldFilter, newFilter);
}
}
}
}
QT_END_NAMESPACE
#include "moc_mediaobject.cpp"