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PageMagickInfo Class Reference

Collaboration diagram for PageMagickInfo:

Collaboration graph
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List of all members.

Public Member Functions

 PageMagickInfo (KinoCommon *common)
 Info implementation.
 ~PageMagickInfo ()
void SetLowQuality (bool quality)
KinoCommon * GetCommon ()
void Initialise ()
PageMagickFrames * GetFrameSource ()
PageMagickImage * GetImageManipulator ()
PageMagickAudio * GetAudioManipulator ()
void SetBegin (int begin)
void SetEnd (int end)
void SetPostFrame (int postFrame)
void SetAnteFrame (int anteFrame)
void GetAnteFrame (uint8_t *pixels)
void GetPostFrame (uint8_t *pixels)
int GetPostFrame ()
int GetAnteFrame ()

Public Attributes

KinoCommon * common
int begin
int end
double increment
bool reverse
int anteFrame
int postFrame
int width
int height
int isPAL
int isWide
int frequency
short channels
int samples_this_frame
bool preview

Private Attributes

PageMagickFrames * frameSource
PageMagickImage * imageManipulator
PageMagickAudio * audioManipulator

Constructor & Destructor Documentation

PageMagickInfo::PageMagickInfo (  KinoCommon *  common  ) 
 

Info implementation.

Definition at line 1230 of file page_magick.cc.

References audioManipulator, frameSource, and imageManipulator.

01230                                                    : preview( false )
01231 {
01232     this->common = common;
01233     this->frameSource = NULL;
01234     this->imageManipulator = NULL;
01235     this->audioManipulator = NULL;
01236 }

PageMagickInfo::~PageMagickInfo (   ) 
 

Definition at line 1238 of file page_magick.cc.

References audioManipulator, frameSource, and imageManipulator.

01239 {
01240     delete frameSource;
01241     delete imageManipulator;
01242     delete audioManipulator;
01243 }

Member Function Documentation

int PageMagickInfo::GetAnteFrame (   )  [inline]
 

Definition at line 583 of file page_magick.cc.

References anteFrame.

00584     {
00585         return this->anteFrame;
00586     }

void PageMagickInfo::GetAnteFrame (  uint8_t *  pixels  ) 
 

Definition at line 1427 of file page_magick.cc.

References common, GetFramePool(), KinoCommon::getPlayList(), height, preview, and width.

Referenced by PageMagickTransition::Initialise().

01428 {
01429     if ( this->anteFrame >= 0 )
01430     {
01431         Frame* infoFrame = GetFramePool()->GetFrame();
01432         common->getPlayList() ->GetFrame( this->anteFrame, *infoFrame );
01433         infoFrame->decoder->quality = DV_QUALITY_BEST;
01434         infoFrame->ExtractRGB( pixels );
01435         if ( preview )
01436         {
01437             GdkPixbuf * i1 = gdk_pixbuf_new_from_data( pixels, GDK_COLORSPACE_RGB, FALSE, 8,
01438                              width * 4, height * 4, width * 4 * 3, NULL, NULL );
01439             GdkPixbuf *i2 = gdk_pixbuf_scale_simple( i1, width, height, GDK_INTERP_NEAREST );
01440             memcpy( pixels, gdk_pixbuf_get_pixels( i2 ), width * height * 3 );
01441             g_object_unref( i2 );
01442             g_object_unref( i1 );
01443         }
01444         GetFramePool()->DoneWithFrame( infoFrame );
01445     }
01446     else
01447     {
01448         memset( pixels, 0, 720 * 576 * 3 );
01449     }
01450 }

PageMagickAudio * PageMagickInfo::GetAudioManipulator (   ) 
 

Definition at line 1401 of file page_magick.cc.

References audioManipulator, PageMagickAudio::Initialise(), and lookup_widget().

Referenced by PageMagick::AudioThread(), and PageMagick::StartRender().

01402 {
01403     if ( audioManipulator == NULL )
01404     {
01405         GtkNotebook * notebook = GTK_NOTEBOOK( lookup_widget( this->common->getPageMagick() ->window, "notebook_magick_audio" ) );
01406         int page = gtk_notebook_get_current_page( notebook );
01407 
01408         switch ( page )
01409         {
01410         case 0:
01411             audioManipulator = new PageMagickAudioFilter();
01412             break;
01413         case 1:
01414             audioManipulator = new PageMagickAudioTransition();
01415             break;
01416         }
01417     }
01418 
01419     if ( audioManipulator != NULL )
01420         audioManipulator->Initialise( this );
01421     else
01422         throw _( "The requested audio manipulator has not been implemented yet..." );
01423 
01424     return audioManipulator;
01425 }

KinoCommon* PageMagickInfo::GetCommon (   )  [inline]
 

Definition at line 553 of file page_magick.cc.

References common.

Referenced by PageMagickTransition::Close(), PageMagickOverwrite::Close(), PageMagickAudioTransition::Initialise(), PageMagickAudioFilter::Initialise(), PageMagickFilter::Initialise(), PageMagickTransition::Initialise(), PageMagickCreate::Initialise(), and PageMagickOverwrite::Initialise().

00554     {
00555         return this->common;
00556     }

PageMagickFrames * PageMagickInfo::GetFrameSource (   ) 
 

Definition at line 1349 of file page_magick.cc.

References frameSource, PageMagickFrames::Initialise(), and lookup_widget().

Referenced by PageMagick::AudioThread(), PageMagick::GetCurrentPosition(), PageMagick::OnTimeRangeChanged(), PageMagick::PreviewFrame(), PageMagick::showFrameInfo(), PageMagick::StartRender(), PageMagick::videoBack(), PageMagick::videoEndOfMovie(), PageMagick::videoForward(), and PageMagick::VideoThread().

01350 {
01351     if ( frameSource == NULL )
01352     {
01353         GtkNotebook * notebook = GTK_NOTEBOOK( lookup_widget( this->common->getPageMagick() ->window, "notebook_magick_frames" ) );
01354         int page = gtk_notebook_get_current_page( notebook );
01355 
01356         switch ( page )
01357         {
01358         case 0:
01359             frameSource = new PageMagickOverwrite();
01360             break;
01361         case 1:
01362             frameSource = new PageMagickCreate();
01363             break;
01364         }
01365     }
01366 
01367     if ( frameSource != NULL )
01368         frameSource->Initialise( this );
01369     else
01370         throw _( "The requested frame source has not been implemented yet..." );
01371 
01372     return frameSource;
01373 }

PageMagickImage * PageMagickInfo::GetImageManipulator (   ) 
 

Definition at line 1375 of file page_magick.cc.

References imageManipulator, PageMagickImage::Initialise(), and lookup_widget().

Referenced by PageMagick::AudioThread(), PageMagick::PreviewFrame(), PageMagick::StartRender(), and PageMagick::VideoThread().

01376 {
01377     if ( imageManipulator == NULL )
01378     {
01379         GtkNotebook * notebook = GTK_NOTEBOOK( lookup_widget( this->common->getPageMagick() ->window, "notebook_magick_video" ) );
01380         int page = gtk_notebook_get_current_page( notebook );
01381 
01382         switch ( page )
01383         {
01384         case 0:
01385             imageManipulator = new PageMagickFilter();
01386             break;
01387         case 1:
01388             imageManipulator = new PageMagickTransition();
01389             break;
01390         }
01391     }
01392 
01393     if ( imageManipulator != NULL )
01394         imageManipulator->Initialise( this );
01395     else
01396         throw _( "The requested image manipulator has not been implemented yet..." );
01397 
01398     return imageManipulator;
01399 }

int PageMagickInfo::GetPostFrame (   )  [inline]
 

Definition at line 579 of file page_magick.cc.

References postFrame.

00580     {
00581         return this->postFrame;
00582     }

void PageMagickInfo::GetPostFrame (  uint8_t *  pixels  ) 
 

Definition at line 1452 of file page_magick.cc.

References common, GetFramePool(), KinoCommon::getPlayList(), height, preview, and width.

Referenced by PageMagickAudioTransition::GetFrame(), PageMagickTransition::Initialise(), and PageMagickTransition::PreGetFrame().

01453 {
01454     if ( this->postFrame < common->getPlayList() ->GetNumFrames() )
01455     {
01456         Frame* infoFrame = GetFramePool()->GetFrame();
01457         common->getPlayList() ->GetFrame( this->postFrame, *infoFrame );
01458         infoFrame->decoder->quality = DV_QUALITY_BEST;
01459         infoFrame->ExtractRGB( pixels );
01460         if ( preview )
01461         {
01462             GdkPixbuf * i1 = gdk_pixbuf_new_from_data( pixels, GDK_COLORSPACE_RGB, FALSE, 8,
01463                              width * 4, height * 4, width * 4 * 3, NULL, NULL );
01464             GdkPixbuf *i2 = gdk_pixbuf_scale_simple( i1, width, height, GDK_INTERP_NEAREST );
01465             memcpy( pixels, gdk_pixbuf_get_pixels( i2 ), width * height * 3 );
01466             g_object_unref( i2 );
01467             g_object_unref( i1 );
01468         }
01469         GetFramePool()->DoneWithFrame( infoFrame );
01470     }
01471     else
01472     {
01473         memset( pixels, 0, 720 * 576 * 3 );
01474     }
01475 }

void PageMagickInfo::Initialise (   ) 
 

Definition at line 1245 of file page_magick.cc.

References ASPECT_169, AUDIO_32KHZ, AUDIO_44KHZ, AUDIO_48KHZ, channels, common, frequency, Frame::GetAudioInfo(), GetFramePool(), Preferences::getInstance(), KinoCommon::getPlayList(), height, info, Frame::IsPAL(), isPAL, isWide, modal_confirm(), NORM_NTSC, NORM_PAL, NORM_UNSPECIFIED, preview, samples_this_frame, and width.

Referenced by PageMagick::AudioThread(), PageMagick::PreviewFrame(), PageMagick::StartRender(), and PageMagick::VideoThread().

01246 {
01247     Frame* infoFrame = GetFramePool()->GetFrame();
01248     
01249     // Get a sample frame to obtain recording info
01250     if ( common->getPlayList() ->GetFrame( 0, *infoFrame ) )
01251     {
01252         // Get all video and audio info required
01253         width = infoFrame->GetWidth();
01254         height = infoFrame->GetHeight();
01255         isPAL = infoFrame->IsPAL();
01256         isWide = infoFrame->IsWide();
01257         AudioInfo info;
01258         infoFrame->GetAudioInfo( info );
01259         if ( info.channels && info.frequency )
01260         {
01261             channels = info.channels;
01262             frequency = info.frequency;
01263             samples_this_frame = frequency / ( isPAL ? 25 : 30 );
01264         }
01265         else
01266         {
01267             channels = ( short ) 2;
01268             switch ( Preferences::getInstance().defaultAudio )
01269             {
01270             case AUDIO_32KHZ:
01271                 frequency = 32000;
01272                 break;
01273             case AUDIO_44KHZ:
01274                 frequency = 44100;
01275                 break;
01276             case AUDIO_48KHZ:
01277                 frequency = 48000;
01278                 break;
01279             }
01280             samples_this_frame = frequency / ( isPAL ? 25 : 30 );
01281         }
01282     }
01283     else
01284     {
01285         if ( Preferences::getInstance().defaultNormalisation != NORM_UNSPECIFIED )
01286         {
01287             isPAL = Preferences::getInstance().defaultNormalisation == NORM_PAL;
01288         }
01289         else
01290         {
01291             switch ( modal_confirm( "PAL", "NTSC", _("Please choose a video standard") ) )
01292             {
01293             case GTK_RESPONSE_ACCEPT:
01294                 isPAL = true;
01295                 Preferences::getInstance().defaultNormalisation = NORM_PAL;
01296                 break;
01297             case GTK_RESPONSE_CLOSE:
01298                 isPAL = false;
01299                 Preferences::getInstance().defaultNormalisation = NORM_NTSC;
01300                 break;
01301             default:
01302                 // Do nothing - action cancelled
01303                 GetFramePool()->DoneWithFrame( infoFrame );
01304                 throw _("Aborted");
01305             }
01306         }
01307         width = 720;
01308         height = isPAL ? 576 : 480;
01309         isWide = Preferences::getInstance().defaultAspect == ASPECT_169;
01310         channels = ( short ) 2;
01311         switch ( Preferences::getInstance().defaultAudio )
01312         {
01313         case AUDIO_32KHZ:
01314             frequency = 32000;
01315             break;
01316         case AUDIO_44KHZ:
01317             frequency = 44100;
01318             break;
01319         case AUDIO_48KHZ:
01320             frequency = 48000;
01321             break;
01322         }
01323         samples_this_frame = frequency / ( isPAL ? 25 : 30 );
01324     }
01325     GetFramePool()->DoneWithFrame( infoFrame );
01326 
01327     preview = false;
01328 }

void PageMagickInfo::SetAnteFrame (  int  anteFrame  )  [inline]
 

Definition at line 573 of file page_magick.cc.

Referenced by PageMagickCreate::Initialise(), and PageMagickOverwrite::Initialise().

00574     {
00575         this->anteFrame = anteFrame;
00576     }

void PageMagickInfo::SetBegin (  int  begin  )  [inline]
 

Definition at line 561 of file page_magick.cc.

Referenced by PageMagickCreate::Initialise(), and PageMagickOverwrite::Initialise().

00562     {
00563         this->begin = begin > 0 ? begin : 0;
00564     }

void PageMagickInfo::SetEnd (  int  end  )  [inline]
 

Definition at line 565 of file page_magick.cc.

Referenced by PageMagickCreate::Initialise(), and PageMagickOverwrite::Initialise().

00566     {
00567         this->end = end > 0 ? end : 0;
00568     }

void PageMagickInfo::SetLowQuality (  bool  quality  ) 
 

Definition at line 1330 of file page_magick.cc.

References height, preview, and width.

Referenced by PageMagick::AudioThread(), PageMagick::PreviewFrame(), and PageMagick::VideoThread().

01331 {
01332     if ( preview != low_quality )
01333     {
01334         if ( low_quality )
01335         {
01336             width /= 4;
01337             height /= 4;
01338         }
01339         else
01340         {
01341             width *= 4;
01342             height *= 4;
01343         }
01344 
01345         preview = low_quality;
01346     }
01347 }

void PageMagickInfo::SetPostFrame (  int  postFrame  )  [inline]
 

Definition at line 569 of file page_magick.cc.

Referenced by PageMagickCreate::Initialise(), and PageMagickOverwrite::Initialise().

00570     {
00571         this->postFrame = postFrame;
00572     }

Member Data Documentation

int PageMagickInfo::anteFrame
 

Definition at line 540 of file page_magick.cc.

Referenced by GetAnteFrame().

PageMagickAudio* PageMagickInfo::audioManipulator [private]
 

Definition at line 533 of file page_magick.cc.

Referenced by GetAudioManipulator(), PageMagickInfo(), and ~PageMagickInfo().

int PageMagickInfo::begin
 

Definition at line 536 of file page_magick.cc.

Referenced by PageMagick::AudioThread(), PageMagickTransition::Close(), PageMagickOverwrite::Close(), PageMagick::GetCurrentPosition(), PageMagickCreate::Initialise(), PageMagickOverwrite::Initialise(), PageMagick::OnTimeRangeChanged(), PageMagick::PreviewFrame(), PageMagick::showFrameInfo(), PageMagick::StartRender(), PageMagick::videoEndOfMovie(), PageMagick::videoForward(), and PageMagick::VideoThread().

short PageMagickInfo::channels
 

Definition at line 547 of file page_magick.cc.

Referenced by PageMagick::AudioThread(), PageMagickAudioTransition::GetFrame(), PageMagickAudioFilter::GetFrame(), PageMagickCreate::GetFrame(), Initialise(), and PageMagick::StartRender().

KinoCommon* PageMagickInfo::common
 

Definition at line 535 of file page_magick.cc.

Referenced by GetAnteFrame(), GetCommon(), GetPostFrame(), and Initialise().

int PageMagickInfo::end
 

Definition at line 537 of file page_magick.cc.

Referenced by PageMagick::AudioThread(), PageMagickTransition::Close(), PageMagickOverwrite::Close(), PageMagickOverwrite::Initialise(), PageMagick::OnTimeRangeChanged(), PageMagickFilter::PreGetFrame(), PageMagickTransition::PreGetFrame(), PageMagick::PreviewFrame(), PageMagick::showFrameInfo(), PageMagick::StartRender(), PageMagick::videoEndOfMovie(), and PageMagick::videoForward().

PageMagickFrames* PageMagickInfo::frameSource [private]
 

Definition at line 531 of file page_magick.cc.

Referenced by GetFrameSource(), PageMagickInfo(), and ~PageMagickInfo().

int PageMagickInfo::frequency
 

Definition at line 546 of file page_magick.cc.

Referenced by PageMagick::AudioThread(), PageMagickAudioTransition::GetFrame(), PageMagickAudioFilter::GetFrame(), PageMagickCreate::GetFrame(), PageMagickOverwrite::GetFrame(), Initialise(), and PageMagick::StartRender().

int PageMagickInfo::height
 

Definition at line 543 of file page_magick.cc.

Referenced by PageMagick::AudioThread(), GetAnteFrame(), PageMagickFilter::GetFrame(), PageMagickTransition::GetFrame(), PageMagickCreate::GetFrame(), GetPostFrame(), Initialise(), PageMagickTransition::Initialise(), PageMagick::PreviewFrame(), SetLowQuality(), PageMagick::StartRender(), and PageMagick::VideoThread().

PageMagickImage* PageMagickInfo::imageManipulator [private]
 

Definition at line 532 of file page_magick.cc.

Referenced by GetImageManipulator(), PageMagickInfo(), and ~PageMagickInfo().

double PageMagickInfo::increment
 

Definition at line 538 of file page_magick.cc.

Referenced by PageMagick::AudioThread(), PageMagickTransition::Close(), PageMagickCreate::Initialise(), PageMagickOverwrite::Initialise(), PageMagick::PreviewFrame(), and PageMagick::StartRender().

int PageMagickInfo::isPAL
 

Definition at line 544 of file page_magick.cc.

Referenced by PageMagick::AudioThread(), Initialise(), PageMagickCreate::Initialise(), and PageMagick::StartRender().

int PageMagickInfo::isWide
 

Definition at line 545 of file page_magick.cc.

Referenced by PageMagick::AudioThread(), Initialise(), PageMagick::PreviewFrame(), PageMagick::StartRender(), and PageMagick::VideoThread().

int PageMagickInfo::postFrame
 

Definition at line 541 of file page_magick.cc.

Referenced by PageMagick::AudioThread(), GetPostFrame(), PageMagickFilter::PreGetFrame(), and PageMagickTransition::PreGetFrame().

bool PageMagickInfo::preview
 

Definition at line 549 of file page_magick.cc.

Referenced by GetAnteFrame(), GetPostFrame(), Initialise(), and SetLowQuality().

bool PageMagickInfo::reverse
 

Definition at line 539 of file page_magick.cc.

Referenced by PageMagick::AudioThread(), PageMagickCreate::Initialise(), PageMagickOverwrite::Initialise(), PageMagick::PreviewFrame(), and PageMagick::StartRender().

int PageMagickInfo::samples_this_frame
 

Definition at line 548 of file page_magick.cc.

Referenced by PageMagick::AudioThread(), PageMagickCreate::GetFrame(), PageMagickOverwrite::GetFrame(), Initialise(), and PageMagick::StartRender().

int PageMagickInfo::width
 

Definition at line 542 of file page_magick.cc.

Referenced by PageMagick::AudioThread(), GetAnteFrame(), PageMagickFilter::GetFrame(), PageMagickTransition::GetFrame(), PageMagickCreate::GetFrame(), GetPostFrame(), Initialise(), PageMagick::PreviewFrame(), SetLowQuality(), and PageMagick::VideoThread().

The documentation for this class was generated from the following file:
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