/** \fn PreviewGenerator::RunReal(void)
* \brief This call creates a preview without starting a new thread.
*/
bool PreviewGenerator::RunReal(void)
{
bool ok = false;
bool is_local = IsLocal();
if (is_local && LocalPreviewRun())
{
ok = true;
}
else if (!localOnly)
{
if (is_local)
{
VERBOSE(VB_IMPORTANT, LOC_WARN + "Failed to save preview."
"\n\t\t\tYou may need to check user and group ownership on"
"\n\t\t\tyour frontend and backend for quicker previews.\n"
"\n\t\t\tAttempting to regenerate preview on backend.\n");
}
ok = RemotePreviewRun();
}
else
{
VERBOSE(VB_IMPORTANT, LOC_ERR + QString("Run() file not local: '%1'")
.arg(pathname));
}
return ok;
}
bool PreviewGenerator::Run(void)
{
bool ok = false;
if (!IsLocal())
{
if (!localOnly)
{
ok = RemotePreviewRun();
}
else
{
VERBOSE(VB_IMPORTANT, LOC_ERR +
QString("Run() file not local: '%1'")
.arg(pathname));
}
}
else
{
// This is where we fork and run mythbackend to actually make preview
QString command = gContext->GetInstallPrefix() +
"/bin/mythbackend --generate-preview ";
command += QString("%1x%2")
.arg(outSize.width()).arg(outSize.height());
if (captureTime >= 0)
command += QString("@%1%2")
.arg(captureTime).arg(timeInSeconds ? "s" : "f");
command += " ";
command += QString("--chanid %1 ").arg(programInfo.chanid);
command += QString("--starttime %1 ")
.arg(programInfo.recstartts.toString("yyyyMMddhhmmss"));
if (!outFileName.isEmpty())
command += QString("--outfile \"%1\" ").arg(outFileName);
int ret = myth_system(command);
if (ret)
{
VERBOSE(VB_IMPORTANT, LOC_ERR + "Encountered problems running " +
QString("'%1'").arg(command));
}
else
{
VERBOSE(VB_PLAYBACK, LOC + "Preview process returned 0.");
QString outname = (!outFileName.isEmpty()) ?
outFileName : (pathname + ".png");
QString lpath = QFileInfo(outname).fileName();
if (lpath == outname)
{
StorageGroup sgroup;
QString tmpFile = sgroup.FindRecordingFile(lpath);
outname = (tmpFile.isEmpty()) ? outname : tmpFile;
}
QFileInfo fi(outname);
ok = (fi.exists() && fi.isReadable() && fi.size());
if (ok)
VERBOSE(VB_PLAYBACK, LOC + "Preview process ran ok.");
else
{
VERBOSE(VB_IMPORTANT, LOC_ERR + "Preview process not ok." +
QString("\n\t\t\tfileinfo(%1)").arg(outname)
<<" exists: "<<fi.exists()
<<" readable: "<<fi.isReadable()
<<" size: "<<fi.size());
}
}
}
if (ok)
{
QMutexLocker locker(&previewLock);
emit previewReady(&programInfo);
}
return ok;
}
/** \fn PreviewGenerator::RunReal(void)
* \brief This call creates a preview without starting a new thread.
*/
bool PreviewGenerator::RunReal(void)
{
QString msg;
QTime tm = QTime::currentTime();
bool ok = false;
bool is_local = IsLocal();
if (!is_local && !!(mode & kRemote))
{
LOG(VB_GENERAL, LOG_ERR, LOC + QString("Run() file not local: '%1'")
.arg(pathname));
}
else if (!(mode & kLocal) && !(mode & kRemote))
{
LOG(VB_GENERAL, LOG_ERR, LOC + QString("Run() Preview of '%1' failed "
"because mode was invalid 0x%2")
.arg(pathname).arg((int)mode,0,16));
}
else if (is_local && !!(mode & kLocal) && LocalPreviewRun())
{
ok = true;
msg = QString("Generated on %1 in %2 seconds, starting at %3")
.arg(gCoreContext->GetHostName())
.arg(tm.elapsed()*0.001)
.arg(tm.toString(Qt::ISODate));
}
else if (!!(mode & kRemote))
{
if (is_local && (mode & kLocal))
{
LOG(VB_GENERAL, LOG_WARNING, LOC + "Failed to save preview."
"\n\t\t\tYou may need to check user and group ownership on"
"\n\t\t\tyour frontend and backend for quicker previews.\n"
"\n\t\t\tAttempting to regenerate preview on backend.\n");
}
ok = RemotePreviewRun();
if (ok)
{
msg = QString("Generated remotely in %1 seconds, starting at %2")
.arg(tm.elapsed()*0.001)
.arg(tm.toString(Qt::ISODate));
}
else
{
msg = "Remote preview failed";
}
}
else
{
msg = "Could not access recording";
}
QMutexLocker locker(&previewLock);
if (listener)
{
QString output_fn = outFileName.isEmpty() ?
(programInfo.GetPathname()+".png") : outFileName;
QDateTime dt;
if (ok)
{
QFileInfo fi(output_fn);
if (fi.exists())
dt = fi.lastModified();
}
QString message = (ok) ? "PREVIEW_SUCCESS" : "PREVIEW_FAILED";
QStringList list;
list.push_back(programInfo.MakeUniqueKey());
list.push_back(output_fn);
list.push_back(msg);
list.push_back(dt.isValid()?dt.toString(Qt::ISODate):"");
list.push_back(token);
QCoreApplication::postEvent(listener, new MythEvent(message, list));
}
return ok;
}
bool PreviewGenerator::Run(void)
{
QString msg;
QDateTime dtm = QDateTime::currentDateTime();
QTime tm = QTime::currentTime();
bool ok = false;
QString command = GetInstallPrefix() + "/bin/mythpreviewgen";
bool local_ok = ((IsLocal() || !!(mode & kForceLocal)) &&
(!!(mode & kLocal)) &&
QFileInfo(command).isExecutable());
if (!local_ok)
{
if (!!(mode & kRemote))
{
ok = RemotePreviewRun();
if (ok)
{
msg =
QString("Generated remotely in %1 seconds, starting at %2")
.arg(tm.elapsed()*0.001)
.arg(tm.toString(Qt::ISODate));
}
}
else
{
LOG(VB_GENERAL, LOG_ERR, LOC +
QString("Run() cannot generate preview locally for: '%1'")
.arg(pathname));
msg = "Failed, local preview requested for remote file.";
}
}
else
{
// This is where we fork and run mythpreviewgen to actually make preview
command += QString(" --size %1x%2")
.arg(outSize.width()).arg(outSize.height());
if (captureTime >= 0)
{
if (timeInSeconds)
command += QString(" --seconds %1").arg(captureTime);
else
command += QString(" --frame %1").arg(captureTime);
}
command += QString(" --chanid %1").arg(programInfo.GetChanID());
command += QString(" --starttime %1")
.arg(programInfo.GetRecordingStartTime(MythDate));
if (!outFileName.isEmpty())
command += QString(" --outfile \"%1\"").arg(outFileName);
command += logPropagateArgs;
if (!logPropagateQuiet())
command += " --quiet";
// Timeout in 30s
uint ret = myth_system(command, kMSDontBlockInputDevs |
kMSDontDisableDrawing |
kMSProcessEvents, 30);
if (ret != GENERIC_EXIT_OK)
{
LOG(VB_GENERAL, LOG_ERR, LOC +
QString("Encountered problems running '%1' (%2)")
.arg(command) .arg(ret));
}
else
{
LOG(VB_PLAYBACK, LOG_INFO, LOC + "Preview process returned 0.");
QString outname = (!outFileName.isEmpty()) ?
outFileName : (pathname + ".png");
QString lpath = QFileInfo(outname).fileName();
if (lpath == outname)
{
StorageGroup sgroup;
QString tmpFile = sgroup.FindFile(lpath);
outname = (tmpFile.isEmpty()) ? outname : tmpFile;
}
QFileInfo fi(outname);
ok = (fi.exists() && fi.isReadable() && fi.size());
if (ok)
{
LOG(VB_PLAYBACK, LOG_INFO, LOC + "Preview process ran ok.");
msg = QString("Generated on %1 in %2 seconds, starting at %3")
.arg(gCoreContext->GetHostName())
.arg(tm.elapsed()*0.001)
.arg(tm.toString(Qt::ISODate));
}
else
{
LOG(VB_GENERAL, LOG_ERR, LOC + "Preview process not ok." +
QString("\n\t\t\tfileinfo(%1)").arg(outname) +
QString(" exists: %1").arg(fi.exists()) +
QString(" readable: %1").arg(fi.isReadable()) +
QString(" size: %1").arg(fi.size()));
LOG(VB_GENERAL, LOG_ERR, LOC +
QString("Despite command '%1' returning success")
.arg(command));
msg = QString("Failed to read preview image despite "
"preview process returning success.");
}
}
}
QMutexLocker locker(&previewLock);
// Backdate file to start of preview time in case a bookmark was made
// while we were generating the preview.
QString output_fn = outFileName.isEmpty() ?
(programInfo.GetPathname()+".png") : outFileName;
QDateTime dt;
if (ok)
{
QFileInfo fi(output_fn);
if (fi.exists())
dt = fi.lastModified();
}
QString message = (ok) ? "PREVIEW_SUCCESS" : "PREVIEW_FAILED";
if (listener)
{
QStringList list;
list.push_back(programInfo.MakeUniqueKey());
list.push_back(outFileName.isEmpty() ?
(programInfo.GetPathname()+".png") : outFileName);
list.push_back(msg);
list.push_back(dt.isValid()?dt.toString(Qt::ISODate):"");
list.push_back(token);
QCoreApplication::postEvent(listener, new MythEvent(message, list));
}
return ok;
}
bool PreviewGenerator::Run(void)
{
QString msg;
QDateTime dtm = MythDate::current();
QTime tm = QTime::currentTime();
bool ok = false;
QString command = GetAppBinDir() + "mythpreviewgen";
bool local_ok = ((IsLocal() || !!(m_mode & kForceLocal)) &&
(!!(m_mode & kLocal)) &&
QFileInfo(command).isExecutable());
if (!local_ok)
{
if (!!(m_mode & kRemote))
{
ok = RemotePreviewRun();
if (ok)
{
msg =
QString("Generated remotely in %1 seconds, starting at %2")
.arg(tm.elapsed()*0.001)
.arg(tm.toString(Qt::ISODate));
}
}
else
{
LOG(VB_GENERAL, LOG_ERR, LOC +
QString("Run() cannot generate preview locally for: '%1'")
.arg(m_pathname));
msg = "Failed, local preview requested for remote file.";
}
}
else
{
// This is where we fork and run mythpreviewgen to actually make preview
QStringList cmdargs;
cmdargs << "--size"
<< QString("%1x%2").arg(m_outSize.width()).arg(m_outSize.height());
if (m_captureTime >= 0)
{
if (m_timeInSeconds)
cmdargs << "--seconds";
else
cmdargs << "--frame";
cmdargs << QString::number(m_captureTime);
}
cmdargs << "--chanid"
<< QString::number(m_programInfo.GetChanID())
<< "--starttime"
<< m_programInfo.GetRecordingStartTime(MythDate::kFilename);
if (!m_outFileName.isEmpty())
cmdargs << "--outfile" << m_outFileName;
// Timeout in 30s
MythSystemLegacy *ms = new MythSystemLegacy(command, cmdargs,
kMSDontBlockInputDevs |
kMSDontDisableDrawing |
kMSProcessEvents |
kMSAutoCleanup |
kMSPropagateLogs);
ms->SetNice(10);
ms->SetIOPrio(7);
ms->Run(30);
uint ret = ms->Wait();
delete ms;
if (ret != GENERIC_EXIT_OK)
{
LOG(VB_GENERAL, LOG_ERR, LOC +
QString("Encountered problems running '%1 %2' - (%3)")
.arg(command).arg(cmdargs.join(" ")).arg(ret));
}
else
{
LOG(VB_PLAYBACK, LOG_INFO, LOC + "Preview process returned 0.");
QString outname = (!m_outFileName.isEmpty()) ?
m_outFileName : (m_pathname + ".png");
QString lpath = QFileInfo(outname).fileName();
if (lpath == outname)
{
StorageGroup sgroup;
QString tmpFile = sgroup.FindFile(lpath);
outname = (tmpFile.isEmpty()) ? outname : tmpFile;
}
QFileInfo fi(outname);
ok = (fi.exists() && fi.isReadable() && fi.size());
if (ok)
{
LOG(VB_PLAYBACK, LOG_INFO, LOC + "Preview process ran ok.");
msg = QString("Generated on %1 in %2 seconds, starting at %3")
.arg(gCoreContext->GetHostName())
.arg(tm.elapsed()*0.001)
.arg(tm.toString(Qt::ISODate));
}
else
{
LOG(VB_GENERAL, LOG_ERR, LOC + "Preview process not ok." +
QString("\n\t\t\tfileinfo(%1)").arg(outname) +
QString(" exists: %1").arg(fi.exists()) +
QString(" readable: %1").arg(fi.isReadable()) +
QString(" size: %1").arg(fi.size()));
LOG(VB_GENERAL, LOG_ERR, LOC +
QString("Despite command '%1' returning success")
.arg(command));
msg = QString("Failed to read preview image despite "
"preview process returning success.");
}
}
}
QMutexLocker locker(&m_previewLock);
// Backdate file to start of preview time in case a bookmark was made
// while we were generating the preview.
QString output_fn = m_outFileName.isEmpty() ?
(m_programInfo.GetPathname()+".png") : m_outFileName;
QDateTime dt;
if (ok)
{
QFileInfo fi(output_fn);
if (fi.exists())
dt = fi.lastModified();
}
QString message = (ok) ? "PREVIEW_SUCCESS" : "PREVIEW_FAILED";
if (m_listener)
{
QStringList list;
list.push_back(QString::number(m_programInfo.GetRecordingID()));
list.push_back(output_fn);
list.push_back(msg);
list.push_back(dt.isValid()?dt.toUTC().toString(Qt::ISODate):"");
list.push_back(m_token);
QCoreApplication::postEvent(m_listener, new MythEvent(message, list));
}
return ok;
}
