krb5_error_code
krb5_db2_lock(krb5_context context, int lockmode)
{
if (!inited(context))
return KRB5_KDB_DBNOTINITED;
return ctx_lock(context, context->dal_handle->db_context, lockmode);
}
bool VideoOutputOpenGL::SetDeinterlacingEnabled(bool enable)
{
(void) enable;
if (!gl_videochain || !gl_context)
return false;
OpenGLLocker ctx_lock(gl_context);
if (enable)
{
if (m_deintfiltername.isEmpty())
return SetupDeinterlace(enable);
if (m_deintfiltername.contains("opengl"))
{
if (gl_videochain->GetDeinterlacer().isEmpty())
return SetupDeinterlace(enable);
}
else if (!m_deintfiltername.contains("opengl"))
{
// make sure opengl deinterlacing is disabled
gl_videochain->SetDeinterlacing(false);
if (!m_deintFiltMan || !m_deintFilter)
return VideoOutput::SetupDeinterlace(enable);
}
}
MoveResize();
gl_videochain->SetDeinterlacing(enable);
m_deinterlacing = enable;
return m_deinterlacing;
}
bool VideoOutputOpenGLVAAPI::CreateVAAPIContext(QSize size)
{
// FIXME During a video stream change this is called from the decoder
// thread - which breaks all other efforts to remove non-UI thread
// access to the OpenGL context. There is no obvious fix however - if we
// don't delete and re-create the VAAPI decoder context immediately then
// the decoder fails and playback exits.
OpenGLLocker ctx_lock(gl_context);
if (m_ctx)
DeleteVAAPIContext();
m_ctx = new VAAPIContext(video_codec_id);
if (m_ctx && m_ctx->CreateDisplay(size) && m_ctx->CreateBuffers())
{
int num_buffers = m_ctx->GetNumBuffers();
const QSize video_dim = window.GetActualVideoDim();
bool ok = true;
for (int i = 0; i < num_buffers; i++)
{
ok &= vbuffers.CreateBuffer(video_dim.width(),
video_dim.height(), i,
m_ctx->GetVideoSurface(i),
FMT_VAAPI);
}
InitPictureAttributes();
return ok;
}
LOG(VB_GENERAL, LOG_ERR, LOC + "Failed to create VAAPI context.");
errorState = kError_Unknown;
return false;
}
krb5_error_code
krb5_db2_get_principal(krb5_context context, krb5_const_principal searchfor,
unsigned int flags, krb5_db_entry **entry)
{
krb5_db2_context *dbc;
krb5_error_code retval;
DB *db;
DBT key, contents;
krb5_data keydata, contdata;
int trynum, dbret;
*entry = NULL;
if (!inited(context))
return KRB5_KDB_DBNOTINITED;
dbc = context->dal_handle->db_context;
for (trynum = 0; trynum < KRB5_DB2_MAX_RETRY; trynum++) {
if ((retval = ctx_lock(context, dbc, KRB5_LOCKMODE_SHARED))) {
if (dbc->db_nb_locks)
return (retval);
sleep(1);
continue;
}
break;
}
if (trynum == KRB5_DB2_MAX_RETRY)
return KRB5_KDB_DB_INUSE;
/* XXX deal with wildcard lookups */
retval = krb5_encode_princ_dbkey(context, &keydata, searchfor);
if (retval)
goto cleanup;
key.data = keydata.data;
key.size = keydata.length;
db = dbc->db;
dbret = (*db->get)(db, &key, &contents, 0);
retval = errno;
krb5_free_data_contents(context, &keydata);
switch (dbret) {
case 1:
retval = KRB5_KDB_NOENTRY;
/* Fall through. */
case -1:
default:
goto cleanup;
case 0:
contdata.data = contents.data;
contdata.length = contents.size;
retval = krb5_decode_princ_entry(context, &contdata, entry);
break;
}
cleanup:
(void) krb5_db2_unlock(context); /* unlock read lock */
return retval;
}
/* Lock DB handle of curs, updating curs->islocked. */
static krb5_error_code
curs_lock(iter_curs *curs)
{
krb5_error_code retval;
retval = ctx_lock(curs->ctx, curs->dbc, curs->lockmode);
if (retval)
return retval;
curs->islocked = TRUE;
return 0;
}
void VideoOutputOpenGL::Show(FrameScanType /*scan*/)
{
OpenGLLocker ctx_lock(gl_context);
if (IsErrored())
{
LOG(VB_GENERAL, LOG_ERR, LOC + "IsErrored() is true in Show()");
return;
}
if (gl_context)
gl_context->swapBuffers();
}
static krb5_error_code
ctx_iterate(krb5_context context, krb5_db2_context *dbc,
krb5_error_code (*func)(krb5_pointer, krb5_db_entry *),
krb5_pointer func_arg)
{
DB *db;
DBT key, contents;
krb5_data contdata;
krb5_db_entry *entry;
krb5_error_code retval, retval2;
int dbret;
retval = ctx_lock(context, dbc, KRB5_LOCKMODE_SHARED);
if (retval)
return retval;
db = dbc->db;
dbret = db->seq(db, &key, &contents, R_FIRST);
while (dbret == 0) {
contdata.data = contents.data;
contdata.length = contents.size;
retval = krb5_decode_princ_entry(context, &contdata, &entry);
if (retval)
break;
retval = k5_mutex_unlock(krb5_db2_mutex);
if (retval)
break;
retval = (*func)(func_arg, entry);
krb5_dbe_free(context, entry);
retval2 = k5_mutex_lock(krb5_db2_mutex);
/* Note: If re-locking fails, the wrapper in db2_exp.c will
still try to unlock it again. That would be a bug. Fix
when integrating the locking better. */
if (retval)
break;
if (retval2) {
retval = retval2;
break;
}
dbret = db->seq(db, &key, &contents, R_NEXT);
}
switch (dbret) {
case 1:
case 0:
break;
case -1:
default:
retval = errno;
}
(void) ctx_unlock(context, dbc);
return retval;
}
krb5_error_code
krb5_db2_put_principal(krb5_context context, krb5_db_entry *entry,
char **db_args)
{
int dbret;
DB *db;
DBT key, contents;
krb5_data contdata, keydata;
krb5_error_code retval;
krb5_db2_context *dbc;
krb5_clear_error_message (context);
if (db_args) {
/* DB2 does not support db_args DB arguments for principal */
krb5_set_error_message(context, EINVAL,
_("Unsupported argument \"%s\" for db2"),
db_args[0]);
return EINVAL;
}
if (!inited(context))
return KRB5_KDB_DBNOTINITED;
dbc = context->dal_handle->db_context;
if ((retval = ctx_lock(context, dbc, KRB5_LOCKMODE_EXCLUSIVE)))
return retval;
db = dbc->db;
retval = krb5_encode_princ_entry(context, &contdata, entry);
if (retval)
goto cleanup;
contents.data = contdata.data;
contents.size = contdata.length;
retval = krb5_encode_princ_dbkey(context, &keydata, entry->princ);
if (retval) {
krb5_free_data_contents(context, &contdata);
goto cleanup;
}
key.data = keydata.data;
key.size = keydata.length;
dbret = (*db->put)(db, &key, &contents, 0);
retval = dbret ? errno : 0;
krb5_free_data_contents(context, &keydata);
krb5_free_data_contents(context, &contdata);
cleanup:
ctx_update_age(dbc);
(void) krb5_db2_unlock(context); /* unlock database */
return (retval);
}
void VideoOutputOpenGL::RemovePIP(MythPlayer *pipplayer)
{
if (!gl_pipchains.contains(pipplayer))
return;
OpenGLLocker ctx_lock(gl_context);
OpenGLVideo *gl_pipchain = gl_pipchains[pipplayer];
if (gl_pipchain)
delete gl_pipchain;
gl_pip_ready.remove(pipplayer);
gl_pipchains.remove(pipplayer);
}
void VideoOutputOpenGL::ProcessFrame(VideoFrame *frame, OSD *osd,
FilterChain *filterList,
const PIPMap &pipPlayers,
FrameScanType scan)
{
QMutexLocker locker(&gl_context_lock);
if (!gl_context)
return;
bool sw_frame = codec_is_std(video_codec_id) && video_codec_id != kCodec_NONE;
bool deint_proc = m_deinterlacing && (m_deintFilter != NULL);
OpenGLLocker ctx_lock(gl_context);
bool pauseframe = false;
if (!frame)
{
frame = vbuffers.GetScratchFrame();
CopyFrame(vbuffers.GetScratchFrame(), &av_pause_frame);
pauseframe = true;
}
if (filterList && sw_frame)
filterList->ProcessFrame(frame);
bool safepauseframe = pauseframe && !IsBobDeint();
if (sw_frame && deint_proc && m_deinterlaceBeforeOSD &&
(!pauseframe || safepauseframe))
{
m_deintFilter->ProcessFrame(frame, scan);
}
if (!window.IsEmbedding())
{
gl_pipchain_active = NULL;
ShowPIPs(frame, pipPlayers);
}
if (sw_frame && (!pauseframe || safepauseframe) &&
deint_proc && !m_deinterlaceBeforeOSD)
{
m_deintFilter->ProcessFrame(frame, scan);
}
if (gl_videochain && sw_frame)
{
bool soft_bob = m_deinterlacing && (m_deintfiltername == "bobdeint");
gl_videochain->UpdateInputFrame(frame, soft_bob);
}
}
bool VideoOutputOpenGL::SetupOpenGL(void)
{
if (!gl_context)
return false;
const QRect dvr = window.GetDisplayVisibleRect();
if (video_codec_id == kCodec_NONE)
{
gl_context->SetViewPort(QRect(QPoint(),dvr.size()));
return true;
}
if (window.GetPIPState() >= kPIPStandAlone)
{
QRect tmprect = QRect(QPoint(0,0), dvr.size());
ResizeDisplayWindow(tmprect, true);
}
bool success = false;
OpenGLLocker ctx_lock(gl_context);
gl_videochain = new OpenGLVideo();
QString options = GetFilters();
if (gl_opengl_lite)
options += " preferycbcr";
success = gl_videochain->Init(gl_context, &videoColourSpace,
window.GetVideoDim(),
window.GetVideoDispDim(), dvr,
window.GetDisplayVideoRect(),
window.GetVideoRect(), true,
options, !codec_is_std(video_codec_id));
if (success)
{
bool temp_deinterlacing = m_deinterlacing;
if (!m_deintfiltername.isEmpty() &&
!m_deintfiltername.contains("opengl"))
{
gl_videochain->SetSoftwareDeinterlacer(m_deintfiltername);
}
SetDeinterlacingEnabled(true);
if (!temp_deinterlacing)
{
SetDeinterlacingEnabled(false);
}
}
return success;
}
bool VideoOutputOpenGLVAAPI::CreateVAAPIContext(QSize size)
{
// FIXME During a video stream change this is called from the decoder
// thread - which breaks all other efforts to remove non-UI thread
// access to the OpenGL context. There is no obvious fix however - if we
// don't delete and re-create the VAAPI decoder context immediately then
// the decoder fails and playback exits.
// lvr 27-oct-13
// in 0.27 if m_ctx->CreateDisplay is called outside of the UI thread then
// it fails, which then causes subsequent unbalanced calls to doneCurrent
// which results in Qt aborting. So just fail if non-UI.
if (!gCoreContext->IsUIThread())
{
LOG(VB_GENERAL, LOG_ERR, LOC +
"CreateVAAPIContext called from non-UI thread");
return false;
}
OpenGLLocker ctx_lock(gl_context);
if (m_ctx)
DeleteVAAPIContext();
m_ctx = new VAAPIContext(kVADisplayGLX, video_codec_id);
if (m_ctx && m_ctx->CreateDisplay(size) && m_ctx->CreateBuffers())
{
int num_buffers = m_ctx->GetNumBuffers();
const QSize video_dim = window.GetActualVideoDim();
bool ok = true;
for (int i = 0; i < num_buffers; i++)
{
ok &= vbuffers.CreateBuffer(video_dim.width(),
video_dim.height(), i,
m_ctx->GetVideoSurface(i),
FMT_VAAPI);
}
InitPictureAttributes();
return ok;
}
LOG(VB_GENERAL, LOG_ERR, LOC + "Failed to create VAAPI context.");
errorState = kError_Unknown;
return false;
}
bool VideoOutputOpenGL::SetupDeinterlace(
bool interlaced, const QString &overridefilter)
{
if (!gl_videochain || !gl_context)
return false;
OpenGLLocker ctx_lock(gl_context);
if (db_vdisp_profile)
m_deintfiltername = db_vdisp_profile->GetFilteredDeint(overridefilter);
if (!m_deintfiltername.contains("opengl"))
{
gl_videochain->SetDeinterlacing(false);
gl_videochain->SetSoftwareDeinterlacer(QString::null);
VideoOutput::SetupDeinterlace(interlaced, overridefilter);
if (m_deinterlacing)
gl_videochain->SetSoftwareDeinterlacer(m_deintfiltername);
return m_deinterlacing;
}
// clear any non opengl filters
if (m_deintFiltMan)
{
delete m_deintFiltMan;
m_deintFiltMan = NULL;
}
if (m_deintFilter)
{
delete m_deintFilter;
m_deintFilter = NULL;
}
m_deinterlacing = interlaced;
if (m_deinterlacing && !m_deintfiltername.isEmpty())
{
if (gl_videochain->GetDeinterlacer() != m_deintfiltername)
{
if (!gl_videochain->AddDeinterlacer(m_deintfiltername))
{
VERBOSE(VB_IMPORTANT, LOC +
QString("Couldn't load deinterlace filter %1")
.arg(m_deintfiltername));
m_deinterlacing = false;
m_deintfiltername = "";
}
else
{
VERBOSE(VB_PLAYBACK, LOC +
QString("Using deinterlace method %1")
.arg(m_deintfiltername));
}
}
}
gl_videochain->SetDeinterlacing(m_deinterlacing);
return m_deinterlacing;
}
bool VideoOutputOpenGL::SetupDeinterlace(
bool interlaced, const QString &overridefilter)
{
if (!gl_videochain || !gl_context)
return false;
OpenGLLocker ctx_lock(gl_context);
if (db_vdisp_profile)
m_deintfiltername = db_vdisp_profile->GetFilteredDeint(overridefilter);
if (MythCodecContext::isCodecDeinterlacer(m_deintfiltername))
return false;
if (!m_deintfiltername.contains("opengl"))
{
gl_videochain->SetDeinterlacing(false);
gl_videochain->SetSoftwareDeinterlacer(QString());
VideoOutput::SetupDeinterlace(interlaced, overridefilter);
if (m_deinterlacing)
gl_videochain->SetSoftwareDeinterlacer(m_deintfiltername);
return m_deinterlacing;
}
// clear any non opengl filters
if (m_deintFiltMan)
{
delete m_deintFiltMan;
m_deintFiltMan = nullptr;
}
if (m_deintFilter)
{
delete m_deintFilter;
m_deintFilter = nullptr;
}
MoveResize();
m_deinterlacing = interlaced;
if (m_deinterlacing && !m_deintfiltername.isEmpty())
{
if (gl_videochain->GetDeinterlacer() != m_deintfiltername)
{
if (!gl_videochain->AddDeinterlacer(m_deintfiltername))
{
LOG(VB_GENERAL, LOG_ERR, LOC +
QString("Couldn't load deinterlace filter %1")
.arg(m_deintfiltername));
m_deinterlacing = false;
m_deintfiltername = "";
}
else
{
LOG(VB_PLAYBACK, LOG_INFO, LOC +
QString("Using deinterlace method %1")
.arg(m_deintfiltername));
}
}
}
gl_videochain->SetDeinterlacing(m_deinterlacing);
return m_deinterlacing;
}
void VideoOutputOpenGL::PrepareFrame(VideoFrame *buffer, FrameScanType t,
OSD *osd)
{
if (!gl_context)
return;
OpenGLLocker ctx_lock(gl_context);
if (!buffer)
{
buffer = vbuffers.GetScratchFrame();
if (m_deinterlacing && !IsBobDeint())
t = kScan_Interlaced;
}
gl_context_lock.lock();
framesPlayed = buffer->frameNumber + 1;
gl_context_lock.unlock();
gl_context->BindFramebuffer(0);
if (db_letterbox_colour == kLetterBoxColour_Gray25)
gl_context->SetBackground(127, 127, 127, 255);
else
gl_context->SetBackground(0, 0, 0, 255);
gl_context->ClearFramebuffer();
// stereoscopic views
QRect main = gl_context->GetViewPort();
QRect first = main;
QRect second = main;
bool twopass = (m_stereo == kStereoscopicModeSideBySide) ||
(m_stereo == kStereoscopicModeTopAndBottom);
if (kStereoscopicModeSideBySide == m_stereo)
{
first = QRect(main.left() / 2, main.top(),
main.width() / 2, main.height());
second = first.translated(main.width() / 2, 0);
}
else if (kStereoscopicModeTopAndBottom == m_stereo)
{
first = QRect(main.left(), main.top() / 2,
main.width(), main.height() / 2);
second = first.translated(0, main.height() / 2);
}
// main UI when embedded
MythMainWindow *mwnd = GetMythMainWindow();
if (mwnd && mwnd->GetPaintWindow() && window.IsEmbedding())
{
if (twopass)
gl_context->SetViewPort(first, true);
mwnd->GetPaintWindow()->clearMask();
// Must force a UI redraw when embedded. If not, when the EPG or
// finder screen is popped up over the video and the user then clicks
// away from Myth, the UI is left blank.
mwnd->GetMainStack()->GetTopScreen()->SetRedraw();
mwnd->draw(gl_painter);
if (twopass)
{
gl_context->SetViewPort(second, true);
mwnd->GetPaintWindow()->clearMask();
mwnd->GetMainStack()->GetTopScreen()->SetRedraw();
mwnd->draw(gl_painter);
gl_context->SetViewPort(main, true);
}
}
// video
if (gl_videochain && !buffer->dummy)
{
gl_videochain->SetVideoRect(vsz_enabled ? vsz_desired_display_rect :
window.GetDisplayVideoRect(),
window.GetVideoRect());
gl_videochain->PrepareFrame(buffer->top_field_first, t,
m_deinterlacing, framesPlayed, m_stereo);
}
// PiPs/PBPs
if (gl_pipchains.size())
{
QMap<MythPlayer*,OpenGLVideo*>::iterator it = gl_pipchains.begin();
for (; it != gl_pipchains.end(); ++it)
{
if (gl_pip_ready[it.key()])
{
bool active = gl_pipchain_active == *it;
if (twopass)
gl_context->SetViewPort(first, true);
(*it)->PrepareFrame(buffer->top_field_first, t,
m_deinterlacing, framesPlayed,
kStereoscopicModeNone, active);
if (twopass)
{
gl_context->SetViewPort(second, true);
(*it)->PrepareFrame(buffer->top_field_first, t,
m_deinterlacing, framesPlayed,
kStereoscopicModeNone, active);
gl_context->SetViewPort(main);
}
}
}
}
// visualisation
if (m_visual && gl_painter && !window.IsEmbedding())
{
if (twopass)
gl_context->SetViewPort(first, true);
m_visual->Draw(GetTotalOSDBounds(), gl_painter, nullptr);
if (twopass)
{
gl_context->SetViewPort(second, true);
m_visual->Draw(GetTotalOSDBounds(), gl_painter, nullptr);
gl_context->SetViewPort(main);
}
}
// OSD
if (osd && gl_painter && !window.IsEmbedding())
{
if (twopass)
gl_context->SetViewPort(first, true);
osd->DrawDirect(gl_painter, GetTotalOSDBounds().size(), true);
if (twopass)
{
gl_context->SetViewPort(second, true);
osd->DrawDirect(gl_painter, GetTotalOSDBounds().size(), true);
gl_context->SetViewPort(main);
}
}
gl_context->Flush(false);
if (vbuffers.GetScratchFrame() == buffer)
vbuffers.SetLastShownFrameToScratch();
}
void VideoOutputOpenGL::ProcessFrame(VideoFrame *frame, OSD */*osd*/,
FilterChain *filterList,
const PIPMap &pipPlayers,
FrameScanType scan)
{
QMutexLocker locker(&gl_context_lock);
if (!gl_context)
return;
if (!gl_valid)
{
if (!gCoreContext->IsUIThread())
{
LOG(VB_GENERAL, LOG_ERR, LOC +
"ProcessFrame called from wrong thread");
}
QSize size = window.GetActualVideoDim();
InitDisplayMeasurements(size.width(), size.height(), false);
DestroyVideoResources();
CreateVideoResources();
BestDeint();
gl_valid = true;
}
bool sw_frame = codec_sw_copy(video_codec_id) &&
video_codec_id != kCodec_NONE;
bool deint_proc = m_deinterlacing && (m_deintFilter != nullptr);
OpenGLLocker ctx_lock(gl_context);
bool pauseframe = false;
if (!frame)
{
frame = vbuffers.GetScratchFrame();
CopyFrame(vbuffers.GetScratchFrame(), &av_pause_frame);
pauseframe = true;
}
if (sw_frame)
{
CropToDisplay(frame);
}
bool dummy = frame->dummy;
if (filterList && sw_frame && !dummy)
filterList->ProcessFrame(frame);
bool safepauseframe = pauseframe && !IsBobDeint();
if (sw_frame && deint_proc && m_deinterlaceBeforeOSD &&
(!pauseframe || safepauseframe) && !dummy)
{
m_deintFilter->ProcessFrame(frame, scan);
}
if (!window.IsEmbedding())
{
gl_pipchain_active = nullptr;
ShowPIPs(frame, pipPlayers);
}
if (sw_frame && (!pauseframe || safepauseframe) &&
deint_proc && !m_deinterlaceBeforeOSD && !dummy)
{
m_deintFilter->ProcessFrame(frame, scan);
}
if (gl_videochain && sw_frame && !dummy)
{
bool soft_bob = m_deinterlacing && (m_deintfiltername == "bobdeint");
gl_videochain->UpdateInputFrame(frame, soft_bob);
}
}
bool VideoOutputOpenGL::SetupOpenGL(void)
{
if (!gl_context)
return false;
QRect dvr = window.GetDisplayVisibleRect();
MythMainWindow *mainWin = GetMythMainWindow();
QSize mainSize = mainWin->size();
// If the Video screen mode has vertically less pixels
// than the GUI screen mode - OpenGL coordinate adjustments
// must be made to put the video at the top of the display
// area instead of at the bottom.
if (dvr.height() < mainSize.height())
dvr.setTop(dvr.top()-mainSize.height()+dvr.height());
// If the Video screen mode has horizontally less pixels
// than the GUI screen mode - OpenGL width must be set
// as the higher GUI width so that the Program Guide
// invoked from playback is not cut off.
if (dvr.width() < mainSize.width())
dvr.setWidth(mainSize.width());
if (video_codec_id == kCodec_NONE)
{
gl_context->SetViewPort(QRect(QPoint(),dvr.size()));
return true;
}
if (window.GetPIPState() >= kPIPStandAlone)
{
QRect tmprect = QRect(QPoint(0,0), dvr.size());
ResizeDisplayWindow(tmprect, true);
}
bool success = false;
OpenGLLocker ctx_lock(gl_context);
gl_videochain = new OpenGLVideo();
QString options = GetFilters();
if (gl_opengl_lite)
options += " preferycbcr";
success = gl_videochain->Init(gl_context, &videoColourSpace,
window.GetVideoDim(),
window.GetVideoDispDim(), dvr,
window.GetDisplayVideoRect(),
window.GetVideoRect(), true,
options, !codec_sw_copy(video_codec_id));
if (success)
{
bool temp_deinterlacing = m_deinterlacing;
if (!m_deintfiltername.isEmpty() &&
!m_deintfiltername.contains("opengl"))
{
gl_videochain->SetSoftwareDeinterlacer(m_deintfiltername);
}
SetDeinterlacingEnabled(true);
if (!temp_deinterlacing)
{
SetDeinterlacingEnabled(false);
}
}
return success;
}
void VideoOutputOpenGL::PrepareFrame(VideoFrame *buffer, FrameScanType t,
OSD *osd)
{
(void)osd;
if (!gl_context)
return;
OpenGLLocker ctx_lock(gl_context);
if (!buffer)
{
buffer = vbuffers.GetScratchFrame();
if (m_deinterlacing && !IsBobDeint())
t = kScan_Interlaced;
}
gl_context_lock.lock();
framesPlayed = buffer->frameNumber + 1;
gl_context_lock.unlock();
gl_context->BindFramebuffer(0);
if (db_letterbox_colour == kLetterBoxColour_Gray25)
gl_context->SetBackground(127, 127, 127, 255);
else
gl_context->SetBackground(0, 0, 0, 255);
gl_context->ClearFramebuffer();
if (gl_context->IsShared() && GetMythMainWindow() && window.IsEmbedding())
GetMythMainWindow()->draw();
if (gl_videochain)
{
gl_videochain->SetVideoRect(vsz_enabled ? vsz_desired_display_rect :
window.GetDisplayVideoRect(),
window.GetVideoRect());
gl_videochain->PrepareFrame(buffer->top_field_first, t,
m_deinterlacing, framesPlayed);
}
QMap<MythPlayer*,OpenGLVideo*>::iterator it = gl_pipchains.begin();
for (; it != gl_pipchains.end(); ++it)
{
if (gl_pip_ready[it.key()])
{
bool active = gl_pipchain_active == *it;
(*it)->PrepareFrame(buffer->top_field_first, t,
m_deinterlacing, framesPlayed, active);
}
}
if (m_visual && gl_painter && !window.IsEmbedding())
m_visual->Draw(GetTotalOSDBounds(), gl_painter, NULL);
if (osd && gl_painter && !window.IsEmbedding())
osd->DrawDirect(gl_painter, GetTotalOSDBounds().size(), true);
gl_context->Flush(false);
if (vbuffers.GetScratchFrame() == buffer)
vbuffers.SetLastShownFrameToScratch();
}
krb5_error_code
krb5_db2_delete_principal(krb5_context context, krb5_const_principal searchfor)
{
krb5_error_code retval;
krb5_db_entry *entry;
krb5_db2_context *dbc;
DB *db;
DBT key, contents;
krb5_data keydata, contdata;
int i, dbret;
if (!inited(context))
return KRB5_KDB_DBNOTINITED;
dbc = context->dal_handle->db_context;
if ((retval = ctx_lock(context, dbc, KRB5_LOCKMODE_EXCLUSIVE)))
return (retval);
if ((retval = krb5_encode_princ_dbkey(context, &keydata, searchfor)))
goto cleanup;
key.data = keydata.data;
key.size = keydata.length;
db = dbc->db;
dbret = (*db->get) (db, &key, &contents, 0);
retval = errno;
switch (dbret) {
case 1:
retval = KRB5_KDB_NOENTRY;
/* Fall through. */
case -1:
default:
goto cleankey;
case 0:
;
}
contdata.data = contents.data;
contdata.length = contents.size;
retval = krb5_decode_princ_entry(context, &contdata, &entry);
if (retval)
goto cleankey;
/* Clear encrypted key contents */
for (i = 0; i < entry->n_key_data; i++) {
if (entry->key_data[i].key_data_length[0]) {
memset(entry->key_data[i].key_data_contents[0], 0,
(unsigned) entry->key_data[i].key_data_length[0]);
}
}
retval = krb5_encode_princ_entry(context, &contdata, entry);
krb5_dbe_free(context, entry);
if (retval)
goto cleankey;
contents.data = contdata.data;
contents.size = contdata.length;
dbret = (*db->put) (db, &key, &contents, 0);
retval = dbret ? errno : 0;
krb5_free_data_contents(context, &contdata);
if (retval)
goto cleankey;
dbret = (*db->del) (db, &key, 0);
retval = dbret ? errno : 0;
cleankey:
krb5_free_data_contents(context, &keydata);
cleanup:
ctx_update_age(dbc);
(void) krb5_db2_unlock(context); /* unlock write lock */
return retval;
}
krb5_error_code
krb5_db2_promote_db(krb5_context context, char *conf_section, char **db_args)
{
krb5_error_code retval;
krb5_boolean merge_nra = FALSE, real_locked = FALSE;
krb5_db2_context *dbc_temp, *dbc_real = NULL;
char **db_argp;
/* context must be initialized with an exclusively locked temp DB. */
if (!inited(context))
return KRB5_KDB_DBNOTINITED;
dbc_temp = context->dal_handle->db_context;
if (dbc_temp->db_lock_mode != KRB5_LOCKMODE_EXCLUSIVE)
return KRB5_KDB_NOTLOCKED;
if (!dbc_temp->tempdb)
return EINVAL;
/* Check db_args for whether we should merge non-replicated attributes. */
for (db_argp = db_args; *db_argp; db_argp++) {
if (!strcmp(*db_argp, "merge_nra")) {
merge_nra = TRUE;
break;
}
}
/* Make a db2 context for the real DB. */
dbc_real = k5alloc(sizeof(*dbc_real), &retval);
if (dbc_real == NULL)
return retval;
ctx_clear(dbc_real);
/* Try creating the real DB. */
dbc_real->db_name = strdup(dbc_temp->db_name);
if (dbc_real->db_name == NULL)
goto cleanup;
dbc_real->tempdb = FALSE;
retval = ctx_create_db(context, dbc_real);
if (retval == EEXIST) {
/* The real database already exists, so open and lock it. */
dbc_real->db_name = strdup(dbc_temp->db_name);
if (dbc_real->db_name == NULL)
goto cleanup;
dbc_real->tempdb = FALSE;
retval = ctx_init(dbc_real);
if (retval)
goto cleanup;
retval = ctx_lock(context, dbc_real, KRB5_DB_LOCKMODE_EXCLUSIVE);
if (retval)
goto cleanup;
} else if (retval)
goto cleanup;
real_locked = TRUE;
if (merge_nra) {
retval = ctx_merge_nra(context, dbc_temp, dbc_real);
if (retval)
goto cleanup;
}
/* Perform filesystem manipulations for the promotion. */
retval = ctx_promote(context, dbc_temp, dbc_real);
if (retval)
goto cleanup;
/* Unlock and finalize context since the temp DB is gone. */
(void) krb5_db2_unlock(context);
krb5_db2_fini(context);
cleanup:
if (real_locked)
(void) ctx_unlock(context, dbc_real);
if (dbc_real)
ctx_fini(dbc_real);
return retval;
}
