// TnzCore includes
#include "tsystem.h"
#include "tstopwatch.h"
#include "tthreadmessage.h"
#include "timagecache.h"
#include "tlevel_io.h"
#include "trasterimage.h"
#include "timageinfo.h"
#include "trop.h"
#include "tsop.h"
// TnzLib includes
#include "toonz/toonzscene.h"
#include "toonz/sceneproperties.h"
#include "toonz/txsheet.h"
#include "toonz/tcamera.h"
#include "toonz/preferences.h"
#include "toonz/trasterimageutils.h"
#include "toonz/levelupdater.h"
#include "toutputproperties.h"
// tcg includes
#include "tcg/tcg_macros.h"
// Qt includes
#include <QCoreApplication>
#include "toonz/movierenderer.h"
//**************************************************************************
// Local Namespace stuff
//**************************************************************************
namespace {
int RenderSessionId = 0;
//---------------------------------------------------------
void addMark(const TRasterP &mark, TRasterImageP img) {
TRasterP raster = img->getRaster();
if (raster->getLx() >= mark->getLx() && raster->getLy() >= mark->getLy()) {
TRasterP ras = raster->clone();
int borderx = troundp(0.035 * (ras->getLx() - mark->getLx()));
int bordery = troundp(0.035 * (ras->getLy() - mark->getLy()));
TRect rect = TRect(borderx, bordery, borderx + mark->getLx() - 1,
bordery + mark->getLy() - 1);
TRop::over(ras->extract(rect), mark);
img->setRaster(ras);
}
}
//---------------------------------------------------------
void getRange(ToonzScene *scene, bool isPreview, int &from, int &to) {
TSceneProperties *sprop = scene->getProperties();
int step;
if (isPreview)
sprop->getPreviewProperties()->getRange(from, to, step);
else
sprop->getOutputProperties()->getRange(from, to, step);
if (to < 0) {
TXsheet *xs = scene->getXsheet();
// NOTE: Use of numeric_limits::min is justified since the type is
// *INTERGRAL*.
from = (std::numeric_limits<int>::max)(),
to = (std::numeric_limits<int>::min)();
for (int k = 0; k < xs->getColumnCount(); ++k) {
int r0, r1;
xs->getCellRange(k, r0, r1);
from = std::min(from, r0), to = std::max(to, r1);
}
}
}
//---------------------------------------------------------
QString getPreviewName(unsigned long renderSessionId) {
return "previewed" + QString::number(renderSessionId) + ".noext";
}
} // namespace
//**************************************************************************
// MovieRenderer::Imp definition
//**************************************************************************
class MovieRenderer::Imp : public TRenderPort, public TSmartObject {
public:
ToonzScene *m_scene;
TRenderer m_renderer;
TFilePath m_fp;
TRenderSettings m_renderSettings;
TDimension m_frameSize;
double m_xDpi, m_yDpi;
std::set<MovieRenderer::Listener *> m_listeners;
std::auto_ptr<LevelUpdater> m_levelUpdaterA, m_levelUpdaterB;
TSoundTrackP m_st;
std::map<double, std::pair<TRasterP, TRasterP>> m_toBeSaved;
std::vector<std::pair<double, TFxPair>> m_framesToBeRendered;
std::string m_renderCacheId;
/*--- 同じラスタのキャッシュを使いまわすとき、
最初のものだけガンマをかけ、以降はそれを使いまわすようにする。
---*/
std::map<double, bool> m_toBeAppliedGamma;
TThread::Mutex m_mutex;
int m_renderSessionId;
long m_whiteSample;
int m_nextFrameIdxToSave;
int m_savingThreadsCount;
bool m_firstCompletedRaster;
bool m_failure;
bool m_cacheResults;
bool m_preview;
bool m_movieType;
public:
Imp(ToonzScene *scene, const TFilePath &moviePath, int threadCount,
bool cacheResults);
~Imp();
// TRenderPort methods
void onRenderRasterCompleted(const RenderData &renderData) override;
void onRenderFailure(const RenderData &renderData, TException &e) override;
/*-- キャンセル時にはm_overallRenderedRegionを更新しない --*/
void onRenderFinished(bool isCanceled = false) override;
void doRenderRasterCompleted(const RenderData &renderData);
void doPreviewRasterCompleted(const RenderData &renderData);
// Helper methods
void prepareForStart();
void addSoundtrack(int r0, int r1, double fps);
void postProcessImage(const TRasterImageP &img, bool has64bitOutputSupport,
const TRasterP &mark, int frame);
//! Saves the specified rasters at the specified time; returns whether the
//! frames were successfully saved, and
//! the associated time-adjusted level frame.
std::pair<bool, int> saveFrame(double frame,
const std::pair<TRasterP, TRasterP> &rasters);
std::string getRenderCacheId();
};
//---------------------------------------------------------
MovieRenderer::Imp::Imp(ToonzScene *scene, const TFilePath &moviePath,
int threadCount, bool cacheResults)
: m_scene(scene)
, m_renderer(threadCount)
, m_fp(moviePath)
, m_frameSize(scene->getCurrentCamera()->getRes())
, m_xDpi(72)
, m_yDpi(72)
, m_renderSessionId(RenderSessionId++)
, m_nextFrameIdxToSave(0)
, m_savingThreadsCount(0)
, m_whiteSample(0)
, m_firstCompletedRaster(
true) //< I know, sounds weird - it's just set to false
, m_failure(false) // AFTER the first completed raster gets processed
, m_cacheResults(cacheResults)
, m_preview(moviePath.isEmpty())
, m_movieType(isMovieType(moviePath)) {
m_renderCacheId =
m_fp.withName(m_fp.getName() + "#RENDERID" +
QString::number(m_renderSessionId).toStdString())
.getLevelName();
m_renderer.addPort(this);
}
//---------------------------------------------------------
MovieRenderer::Imp::~Imp() {
m_renderer.removePort(this); // Please, note: a TRenderer instance is
// currently a shared-pointer-like
} // object to a private worker. *That* object may outlive the TRenderer
// instance.
//---------------------------------------------------------
void MovieRenderer::Imp::prepareForStart() {
struct locals {
static void eraseUncompatibleExistingLevel(
const TFilePath &fp, const TDimension &imageSize) // nothrow
{
assert(!fp.isEmpty());
if (TSystem::doesExistFileOrLevel(fp)) {
bool remove = false;
// In case the raster specifics are different from those of a currently
// existing movie, erase it
try {
TLevelReaderP lr(fp);
lr->loadInfo();
const TImageInfo *info = lr->getImageInfo();
if (!info || info->m_lx != imageSize.lx || info->m_ly != imageSize.ly)
TSystem::removeFileOrLevel(fp); // nothrow
} catch (...) {
// Same if the level could not be read/opened
TSystem::removeFileOrLevel(fp); // nothrow
}
// NOTE: The level removal procedure could still fail.
// In this case, no signaling takes place. The level readers will throw
// when the time to write on the file comes, leading to a render
// failure.
}
}
};
TOutputProperties *oprop = m_scene->getProperties()->getOutputProperties();
double frameRate = (double)oprop->getFrameRate();
/*-- Frame rate の stretch --*/
double stretchFactor = oprop->getRenderSettings().m_timeStretchTo /
oprop->getRenderSettings().m_timeStretchFrom;
frameRate *= stretchFactor;
// Get the shrink
int shrinkX = m_renderSettings.m_shrinkX,
shrinkY = m_renderSettings.m_shrinkY;
// Build the render area
TPointD cameraPos(-0.5 * m_frameSize.lx, -0.5 * m_frameSize.ly);
TDimensionD cameraRes(double(m_frameSize.lx) / shrinkX,
double(m_frameSize.ly) / shrinkY);
TDimension cameraResI(cameraRes.lx, cameraRes.ly);
TRectD renderArea(cameraPos.x, cameraPos.y, cameraPos.x + cameraRes.lx,
cameraPos.y + cameraRes.ly);
setRenderArea(renderArea);
if (!m_fp.isEmpty()) {
try // Construction of a LevelUpdater may throw (well, almost ANY operation
// on a LevelUpdater
{ // could throw). But due to backward compatibility this function is
// assumed to be non-throwing.
if (!m_renderSettings.m_stereoscopic) {
locals::eraseUncompatibleExistingLevel(m_fp, cameraResI);
m_levelUpdaterA.reset(new LevelUpdater(
m_fp, oprop->getFileFormatProperties(m_fp.getType())));
m_levelUpdaterA->getLevelWriter()->setFrameRate(frameRate);
} else {
TFilePath leftFp = m_fp.withName(m_fp.getName() + "_l");
TFilePath rightFp = m_fp.withName(m_fp.getName() + "_r");
locals::eraseUncompatibleExistingLevel(leftFp, cameraResI);
locals::eraseUncompatibleExistingLevel(rightFp, cameraResI);
m_levelUpdaterA.reset(new LevelUpdater(
leftFp, oprop->getFileFormatProperties(leftFp.getType())));
m_levelUpdaterA->getLevelWriter()->setFrameRate(frameRate);
m_levelUpdaterB.reset(new LevelUpdater(
rightFp, oprop->getFileFormatProperties(rightFp.getType())));
m_levelUpdaterB->getLevelWriter()->setFrameRate(frameRate);
}
} catch (...) {
// If we get here, it's because one of the LevelUpdaters could not be
// created. So, let's say
// that if one could not be created, then ALL OF THEM couldn't (ie saving
// is not possible at all).
m_levelUpdaterA.reset();
m_levelUpdaterB.reset();
}
}
}
//---------------------------------------------------------
void MovieRenderer::Imp::addSoundtrack(int r0, int r1, double fps) {
TCG_ASSERT(r0 <= r1, return );
TXsheet::SoundProperties *prop =
new TXsheet::SoundProperties(); // Ownership will be surrendered ...
prop->m_frameRate = fps;
TSoundTrack *snd = m_scene->getXsheet()->makeSound(prop); // ... here
if (!snd) {
// No soundtrack
m_whiteSample = (r1 - r0 + 1) * 918; // 918?? wtf... I don't think it has
return; // any arcane meaning - but i'm not touching it.
} // My impression would be that... no sound implies
// no access to m_whiteSample, no?
double samplePerFrame = snd->getSampleRate() / fps;
// Extract the useful part of scene soundtrack
TSoundTrackP snd1 = snd->extract((TINT32)(r0 * samplePerFrame),
(TINT32)(r1 * samplePerFrame));
assert(!m_st);
if (!m_st) {
// First, add white sound before the 'from' instant
m_st = TSoundTrack::create(snd1->getFormat(), m_whiteSample);
m_whiteSample = 0; // Why? Probably being pedantic here... I guess
}
// Then, add the rest
TINT32 fromSample = m_st->getSampleCount();
TINT32 numSample =
std::max(TINT32((r1 - r0 + 1) * samplePerFrame), snd1->getSampleCount());
m_st = TSop::insertBlank(m_st, fromSample, numSample + m_whiteSample);
m_st->copy(snd1, TINT32(fromSample + m_whiteSample));
m_whiteSample = 0;
}
//---------------------------------------------------------
void MovieRenderer::Imp::onRenderRasterCompleted(const RenderData &renderData) {
if (m_preview)
doPreviewRasterCompleted(renderData);
else
doRenderRasterCompleted(renderData);
}
//---------------------------------------------------------
void MovieRenderer::Imp::postProcessImage(const TRasterImageP &img,
bool has64bitOutputSupport,
const TRasterP &mark, int frame) {
img->setDpi(m_xDpi, m_yDpi);
if (img->getRaster()->getPixelSize() == 8 && !has64bitOutputSupport) {
TRaster32P aux(img->getRaster()->getLx(), img->getRaster()->getLy());
TRop::convert(aux, img->getRaster());
img->setRaster(aux);
}
if (mark) addMark(mark, img);
if (Preferences::instance()->isSceneNumberingEnabled())
TRasterImageUtils::addGlobalNumbering(img, m_scene->getSceneName(), frame);
}
//---------------------------------------------------------------------
std::pair<bool, int> MovieRenderer::Imp::saveFrame(
double frame, const std::pair<TRasterP, TRasterP> &rasters) {
bool success = false;
// Build the frame number to write to
double stretchFac = double(m_renderSettings.m_timeStretchTo) /
m_renderSettings.m_timeStretchFrom;
int fr = (stretchFac != 1) ? tround(frame * stretchFac) : int(frame);
TFrameId fid(fr + 1);
if (m_levelUpdaterA.get()) {
assert(m_levelUpdaterB.get() || !rasters.second);
// Analyze writer
bool has64bitOutputSupport = false;
{
if (TImageWriterP writerA =
m_levelUpdaterA->getLevelWriter()->getFrameWriter(fid))
has64bitOutputSupport = writerA->is64bitOutputSupported();
// NOTE: If the writer could not be retrieved, the updater will throw.
// Failure will be catched then.
}
// Prepare the images to be flushed
TRasterP rasterA = rasters.first, rasterB = rasters.second;
assert(rasterA);
/*--- 同じラスタのキャッシュを使いまわすとき、
最初のものだけガンマをかけ、以降はそれを使いまわすようにする。
---*/
if (m_renderSettings.m_gamma != 1.0 && m_toBeAppliedGamma[frame]) {
TRop::gammaCorrect(rasterA, m_renderSettings.m_gamma);
if (rasterB) TRop::gammaCorrect(rasterB, m_renderSettings.m_gamma);
}
// Flush images
try {
TRasterImageP imgA(rasterA);
postProcessImage(imgA, has64bitOutputSupport, m_renderSettings.m_mark,
fid.getNumber());
m_levelUpdaterA->update(fid, imgA);
if (rasterB) {
TRasterImageP imgB(rasterB);
postProcessImage(imgB, has64bitOutputSupport, m_renderSettings.m_mark,
fid.getNumber());
m_levelUpdaterB->update(fid, imgB);
}
// Should no more throw from here on
if (m_cacheResults) {
if (imgA->getRaster()->getPixelSize() == 8) {
// Convert 64-bit images to 32 - cached images are supposed to be
// 32-bit
TRaster32P aux(imgA->getRaster()->getLx(),
imgA->getRaster()->getLy());
TRop::convert(aux, imgA->getRaster());
imgA->setRaster(aux);
}
TImageCache::instance()->add(
m_renderCacheId + std::to_string(fid.getNumber()), imgA);
}
success = true;
} catch (...) {
// Nothing. The images could not be saved for whatever reason.
// Failure is reported.
}
}
return std::make_pair(success, fr);
}
//---------------------------------------------------------------------
void MovieRenderer::Imp::doRenderRasterCompleted(const RenderData &renderData) {
assert(!(m_cacheResults &&
m_levelUpdaterB.get())); // Cannot cache results on stereoscopy
QMutexLocker locker(&m_mutex);
// Build soundtrack at the first time a frame is completed - and the filetype
// is that of a movie.
if (m_firstCompletedRaster && m_movieType && !m_st) {
int from, to;
getRange(m_scene, false, from, to);
TLevelP oldLevel(m_levelUpdaterA->getInputLevel());
if (oldLevel) {
from = std::min(from, oldLevel->begin()->first.getNumber() - 1);
to = std::max(to, (--oldLevel->end())->first.getNumber() - 1);
}
addSoundtrack(
from, to,
m_scene->getProperties()->getOutputProperties()->getFrameRate());
if (m_st) {
m_levelUpdaterA->getLevelWriter()->saveSoundTrack(m_st.getPointer());
if (m_levelUpdaterB.get())
m_levelUpdaterB->getLevelWriter()->saveSoundTrack(m_st.getPointer());
}
}
// Output frames must be *cloned*, since the supplied rasters will be
// overwritten by m_renderer
TRasterP toBeSavedRasA = renderData.m_rasA->clone();
TRasterP toBeSavedRasB =
renderData.m_rasB ? renderData.m_rasB->clone() : TRasterP();
m_toBeSaved[renderData.m_frames[0]] =
std::make_pair(toBeSavedRasA, toBeSavedRasB);
m_toBeAppliedGamma[renderData.m_frames[0]] = true;
// Prepare the cluster's frames to be saved (possibly in the future)
std::vector<double>::const_iterator jt;
for (jt = renderData.m_frames.begin(), ++jt; jt != renderData.m_frames.end();
++jt) {
m_toBeSaved[*jt] = std::make_pair(toBeSavedRasA, toBeSavedRasB);
m_toBeAppliedGamma[*jt] = false;
}
// Attempt flushing as many frames as possible to the level updater(s)
while (!m_toBeSaved.empty()) {
std::map<double, std::pair<TRasterP, TRasterP>>::iterator ft =
m_toBeSaved.begin();
// In the *movie type* case, frames must be saved sequentially.
// If the frame is not the next one in the sequence, wait until *that* frame
// is available.
if (m_movieType &&
(ft->first != m_framesToBeRendered[m_nextFrameIdxToSave].first))
break;
// This thread will be the one processing ft - remove it from the map to
// prevent another
// thread from interfering
double frame = ft->first;
std::pair<TRasterP, TRasterP> rasters = ft->second;
++m_nextFrameIdxToSave;
m_toBeSaved.erase(ft);
// Save current frame
std::pair<bool, int> savedFrame;
{
// Time the saving procedure
struct SaveTimer {
int &m_count;
SaveTimer(int &count) : m_count(count) {
if (m_count++ == 0) TStopWatch::global(0).start();
}
~SaveTimer() {
if (--m_count == 0) TStopWatch::global(0).stop();
}
} saveTimer(m_savingThreadsCount);
// Unlock the mutex only in case this is NOT a movie type. Single images
// can be saved concurrently.
struct MutexUnlocker {
QMutexLocker *m_locker;
~MutexUnlocker() {
if (m_locker) m_locker->relock();
}
} unlocker = {m_movieType ? (QMutexLocker *)0
: (locker.unlock(), &locker)};
savedFrame = saveFrame(frame, rasters);
}
// Report status and deal with responses
bool okToContinue = true;
std::set<MovieRenderer::Listener *>::iterator lt = m_listeners.begin();
if (savedFrame.first) {
for (; lt != m_listeners.end(); ++lt)
okToContinue &= (*lt)->onFrameCompleted(savedFrame.second);
} else {
for (; lt != m_listeners.end(); ++lt) {
TException e;
okToContinue &= (*lt)->onFrameFailed(savedFrame.second, e);
}
}
if (!okToContinue) {
// Some listener invoked termination of the render procedure. It seems
// it's their right
// to do so. I wonder what happens if two listeners would disagree on the
// matter...
// BTW stop the rendering, alright.
{
int from, to;
getRange(m_scene, false, from,
to); // It's ok since cancels can only happen from Toonz...
for (int i = from; i < to; i++)
TImageCache::instance()->remove(m_renderCacheId +
std::to_string(i + 1));
}
m_renderer.stopRendering();
m_levelUpdaterA
.reset(); // No more saving. Further attempts to save images
m_levelUpdaterB.reset(); // will be rejected and treated as failures.
}
}
m_firstCompletedRaster = false;
}
//---------------------------------------------------------
void MovieRenderer::Imp::doPreviewRasterCompleted(
const RenderData &renderData) {
// Most probably unused now. I'm not reviewing this.
assert(!m_levelUpdaterA.get());
QMutexLocker sl(&m_mutex);
QString name = getPreviewName(m_renderSessionId);
TRasterP ras = renderData.m_rasA->clone();
if (renderData.m_rasB) {
assert(m_renderSettings.m_stereoscopic);
TRop::makeStereoRaster(ras, renderData.m_rasB);
}
TRasterImageP img(ras);
img->setDpi(m_xDpi, m_yDpi);
try {
if (renderData.m_info.m_mark != TRasterP())
addMark(renderData.m_info.m_mark, img);
if (img->getRaster()->getPixelSize() == 8) {
TRaster32P aux(img->getRaster()->getLx(), img->getRaster()->getLy());
TRop::convert(aux, img->getRaster());
img->setRaster(aux);
}
QString frameName = name + QString::number(renderData.m_frames[0] + 1);
TImageCache::instance()->add(frameName.toStdString(), img);
// controlla se ci sono frame(uguali ad altri) da mettere in cache
std::vector<double>::const_iterator jt;
for (jt = renderData.m_frames.begin(), ++jt;
jt != renderData.m_frames.end(); ++jt) {
frameName = name + QString::number(*jt + 1);
TImageCache::instance()->add(frameName.toStdString(), img);
}
} catch (...) {
}
std::set<MovieRenderer::Listener *>::iterator listenerIt =
m_listeners.begin();
bool okToContinue = true;
for (; listenerIt != m_listeners.end(); ++listenerIt)
okToContinue &= (*listenerIt)->onFrameCompleted(renderData.m_frames[0]);
if (!okToContinue) {
// Svuoto la cache nel caso in cui si esce dal render prima della fine
int from, to;
getRange(m_scene, true, from, to);
for (int i = from; i < to; i++) {
QString frameName = name + QString::number(i + 1);
TImageCache::instance()->remove(frameName.toStdString());
}
m_renderer.stopRendering();
}
m_firstCompletedRaster = false;
}
//---------------------------------------------------------
void MovieRenderer::Imp::onRenderFailure(const RenderData &renderData,
TException &e) {
QMutexLocker sl(&m_mutex); // Lock as soon as possible.
// No sense making it later in this case!
m_failure = true;
// If the saver object has already been destroyed - or it was never
// created to begin with, nothing to be done
if (!m_levelUpdaterA.get()) return; // The preview case would fall here
// Flush out as much as we can of the frames that were already rendered
m_toBeSaved[0.0] =
std::make_pair(TRasterP(), TRasterP()); // ?? Why is this ??
std::map<double, std::pair<TRasterP, TRasterP>>::iterator it =
m_toBeSaved.begin();
while (it != m_toBeSaved.end()) {
if (m_movieType &&
(it->first != m_framesToBeRendered[m_nextFrameIdxToSave].first))
break;
// o_o!
// I would have expected that at least those frames that were computed could
// attempt saving! Why is this not addressed? They're even marked as
// 'failed'!
double stretchFac = (double)renderData.m_info.m_timeStretchTo /
renderData.m_info.m_timeStretchFrom;
int fr;
if (stretchFac != 1)
fr = tround(it->first * stretchFac);
else
fr = (int)it->first;
// No saving? Really?
std::set<MovieRenderer::Listener *>::iterator lt = m_listeners.begin();
bool okToContinue = true;
for (; lt != m_listeners.end(); ++lt)
okToContinue &= (*lt)->onFrameFailed((int)it->first, e);
if (!okToContinue) m_renderer.stopRendering();
++m_nextFrameIdxToSave;
m_toBeSaved.erase(it++);
}
}
//---------------------------------------------------------
void MovieRenderer::Imp::onRenderFinished(bool isCanceled) {
TFilePath levelName(
m_levelUpdaterA.get()
? m_fp
: TFilePath(getPreviewName(m_renderSessionId).toStdWString()));
// Close updaters. After this, the output levels should be finalized on disk.
m_levelUpdaterA.reset();
m_levelUpdaterB.reset();
if (!m_failure) {
// Inform listeners of the render completion
std::set<MovieRenderer::Listener *>::iterator it;
for (it = m_listeners.begin(); it != m_listeners.end(); ++it)
(*it)->onSequenceCompleted(levelName);
// I wonder why listeners are not informed of a failed sequence, btw...
}
release(); // The movieRenderer is released by the render process. It could
// eventually be deleted.
}
//======================================================================================
//======================
// MovieRenderer
//----------------------
MovieRenderer::MovieRenderer(ToonzScene *scene, const TFilePath &moviePath,
int threadCount, bool cacheResults)
: m_imp(new Imp(scene, moviePath, threadCount, cacheResults)) {
m_imp->addRef(); // See MovieRenderer::start(). Can't just delete it in the
// dtor.
}
//---------------------------------------------------------
MovieRenderer::~MovieRenderer() { m_imp->release(); }
//---------------------------------------------------------
void MovieRenderer::setRenderSettings(const TRenderSettings &renderSettings) {
m_imp->m_renderSettings = renderSettings;
}
//---------------------------------------------------------
void MovieRenderer::setDpi(double xDpi, double yDpi) {
m_imp->m_xDpi = xDpi;
m_imp->m_yDpi = yDpi;
}
//---------------------------------------------------------
void MovieRenderer::addListener(Listener *listener) {
m_imp->m_listeners.insert(listener);
}
//---------------------------------------------------------
void MovieRenderer::addFrame(double frame, const TFxPair &fxPair) {
m_imp->m_framesToBeRendered.push_back(std::make_pair(frame, fxPair));
}
//---------------------------------------------------------
void MovieRenderer::enablePrecomputing(bool on) {
m_imp->m_renderer.enablePrecomputing(on);
}
//---------------------------------------------------------
bool MovieRenderer::isPrecomputingEnabled() const {
return m_imp->m_renderer.isPrecomputingEnabled();
}
//---------------------------------------------------------
void MovieRenderer::start() {
m_imp->prepareForStart();
// Add a reference to MovieRenderer's Imp. The reference is 'owned' by
// TRenderer's render process - when it
// ends (that is, when notifies onRenderFinished), the reference is released.
// As to TRenderer's specifics,
// this is ensured to happen only after all the other port notifications for
// each frame have been invoked.
m_imp->addRef();
// Prepare the TRenderer::RenderDatas to render
RenderDataVector *datasToBeRendered = new RenderDataVector;
size_t i, size = m_imp->m_framesToBeRendered.size();
for (i = 0; i < size; ++i)
datasToBeRendered->push_back(TRenderer::RenderData(
m_imp->m_framesToBeRendered[i].first, m_imp->m_renderSettings,
m_imp->m_framesToBeRendered[i].second));
m_imp->m_renderer.startRendering(datasToBeRendered);
}
//---------------------------------------------------------
void MovieRenderer::onCanceled() { m_imp->m_renderer.stopRendering(true); }
//---------------------------------------------------------
TRenderer *MovieRenderer::getTRenderer() {
// Again, this is somewhat BAD. The pointed-to object dies together with the
// MovieRenderer instance.
// Since a TRenderer is already smart-pointer-like, we could just return a
// copy - however, it really
// shouln't be that way. Maybe one day we'll revert that and actually use a
// smart pointer class.
// For now, no use of this function seems to access the returned pointer
// beyond the lifespan of the
// associated MovieRenderer instance - so I'm not gonna touch the class
// interface.
return &m_imp->m_renderer;
}