*/
#include "qimage_wrapper.h"
+
+#ifdef USE_QT3
#include <qimage.h>
+#include <qmutex.h>
+
+#ifdef USE_KDE
+#include <kinstance.h>
+#include <kimageio.h>
+#endif
+
+#endif
+
+
+#ifdef USE_QT4
+#include <QtGui/QImage>
+#include <QtCore/QSysInfo>
+#include <QtCore/QMutex>
+#endif
+
+
#include <cmath>
extern "C" {
#include <framework/mlt_pool.h>
+#ifdef USE_KDE
+static KInstance *instance = 0L;
+#endif
+
static void qimage_delete( void *data )
{
QImage *image = ( QImage * )data;
delete image;
+ image = NULL;
+#ifdef USE_KDE
+ if (instance) delete instance;
+ instance = 0L;
+#endif
}
-static void clear_buffered_image( mlt_properties producer_props, uint8_t **current_image, uint8_t **current_alpha )
-{
- mlt_events_block( producer_props, NULL );
- mlt_properties_set_data( producer_props, "_qimage_image", NULL, 0, NULL, NULL );
- mlt_properties_set_data( producer_props, "_qimage_alpha", NULL, 0, NULL, NULL );
- *current_image = NULL;
- *current_alpha = NULL;
- mlt_events_unblock( producer_props, NULL );
-}
+QMutex mutex;
-static void assign_buffered_image( mlt_properties producer_props, uint8_t *current_image, uint8_t *current_alpha, int width, int height )
+#ifdef USE_KDE
+void init_qimage()
{
- int use_cache = mlt_properties_get_int( producer_props, "cache" );
- mlt_destructor destructor = use_cache ? NULL : mlt_pool_release;
- mlt_events_block( producer_props, NULL );
- mlt_properties_set_data( producer_props, "_qimage_image", current_image, 0, destructor, NULL );
- mlt_properties_set_data( producer_props, "_qimage_alpha", current_alpha, 0, destructor, NULL );
- mlt_properties_set_int( producer_props, "_qimage_width", width );
- mlt_properties_set_int( producer_props, "_qimage_height", height );
- mlt_events_unblock( producer_props, NULL );
+ if (!instance) {
+ instance = new KInstance("qimage_prod");
+ KImageIO::registerFormats();
+ }
}
+#endif
void refresh_qimage( mlt_frame frame, int width, int height )
{
// Obtain a previous assigned qimage (if it exists)
- QImage *qimage = ( QImage * )mlt_properties_get_data( MLT_FRAME_PROPERTIES( frame ), "qimage", NULL );
+ QImage *qimage = static_cast <QImage *>(mlt_properties_get_data( MLT_FRAME_PROPERTIES( frame ), "qimage", NULL ));
// Obtain properties of frame
mlt_properties properties = MLT_FRAME_PROPERTIES( frame );
// Obtain properties of producer
mlt_properties producer_props = MLT_PRODUCER_PROPERTIES( producer );
+ // Check if user wants us to reload the image
+ if ( mlt_properties_get_int( producer_props, "force_reload" ) )
+ {
+ qimage = NULL;
+ self->current_image = NULL;
+ mlt_properties_set_int( producer_props, "force_reload", 0 );
+ }
+
// Obtain the cache flag and structure
int use_cache = mlt_properties_get_int( producer_props, "cache" );
mlt_properties cache = ( mlt_properties )mlt_properties_get_data( producer_props, "_cache", NULL );
int update_cache = 0;
- // Retrieve current info if available
- uint8_t *current_image = ( uint8_t * )mlt_properties_get_data( producer_props, "_qimage_image", NULL );
- uint8_t *current_alpha = ( uint8_t * )mlt_properties_get_data( producer_props, "_qimage_alpha", NULL );
- int current_width = mlt_properties_get_int( producer_props, "_qimage_width" );
- int current_height = mlt_properties_get_int( producer_props, "_qimage_height" );
-
// Get the time to live for each frame
double ttl = mlt_properties_get_int( producer_props, "ttl" );
// Get the original position of this frame
mlt_position position = mlt_properties_get_position( properties, "qimage_position" );
+ position += mlt_producer_get_in( producer );
// Image index
int image_idx = ( int )floor( ( double )position / ttl ) % self->count;
char image_key[ 10 ];
sprintf( image_key, "%d", image_idx );
+ mutex.lock();
+
// Check if the frame is already loaded
if ( use_cache )
{
{
self->image_idx = image_idx;
mlt_properties cached_props = MLT_FRAME_PROPERTIES( cached );
- current_width = mlt_properties_get_int( cached_props, "width" );
- current_height = mlt_properties_get_int( cached_props, "height" );
+ self->current_width = mlt_properties_get_int( cached_props, "width" );
+ self->current_height = mlt_properties_get_int( cached_props, "height" );
mlt_properties_set_int( producer_props, "_real_width", mlt_properties_get_int( cached_props, "real_width" ) );
mlt_properties_set_int( producer_props, "_real_height", mlt_properties_get_int( cached_props, "real_height" ) );
- current_image = ( uint8_t * )mlt_properties_get_data( cached_props, "image", NULL );
- current_alpha = ( uint8_t * )mlt_properties_get_data( cached_props, "alpha", NULL );
-
- if ( width != 0 && ( width != current_width || height != current_height ) )
- current_image = NULL;
+ self->current_image = ( uint8_t * )mlt_properties_get_data( cached_props, "image", NULL );
+ self->current_alpha = ( uint8_t * )mlt_properties_get_data( cached_props, "alpha", NULL );
- assign_buffered_image( producer_props, current_image, current_alpha, current_width, current_height );
+ if ( width != 0 && ( width != self->current_width || height != self->current_height ) )
+ self->current_image = NULL;
}
}
// optimization for subsequent iterations on single picture
- if ( width != 0 && current_image != NULL && image_idx == self->image_idx )
+ if ( width != 0 && self->current_image != NULL && image_idx == self->image_idx )
{
- if ( width != current_width || height != current_height )
+ if ( width != self->current_width || height != self->current_height )
{
- qimage = ( QImage * )mlt_properties_get_data( producer_props, "_qimage", NULL );
- clear_buffered_image( producer_props, ¤t_image, ¤t_alpha );
+ qimage = static_cast<QImage *>(mlt_properties_get_data( producer_props, "_qimage", NULL ));
+ if ( !use_cache )
+ {
+ mlt_pool_release( self->current_image );
+ mlt_pool_release( self->current_alpha );
+ }
+ self->current_image = NULL;
+ self->current_alpha = NULL;
}
}
- else if ( qimage == NULL && ( current_image == NULL || image_idx != self->image_idx ) )
+ else if ( qimage == NULL && ( self->current_image == NULL || image_idx != self->image_idx ) )
{
- clear_buffered_image( producer_props, ¤t_image, ¤t_alpha );
+ if ( !use_cache )
+ {
+ mlt_pool_release( self->current_image );
+ mlt_pool_release( self->current_alpha );
+ }
+ self->current_image = NULL;
+ self->current_alpha = NULL;
self->image_idx = image_idx;
qimage = new QImage( mlt_properties_get_value( self->filenames, image_idx ) );
QImage *frame_copy = new QImage( *qimage );
// Store the width/height of the pixbuf
- current_width = qimage->width( );
- current_height = qimage->height( );
+ self->current_width = qimage->width( );
+ self->current_height = qimage->height( );
// Register qimage for destruction and reuse
mlt_events_block( producer_props, NULL );
mlt_properties_set_data( producer_props, "_qimage", qimage, 0, ( mlt_destructor )qimage_delete, NULL );
mlt_properties_set_data( MLT_FRAME_PROPERTIES( frame ), "qimage", frame_copy, 0, ( mlt_destructor )qimage_delete, NULL );
- mlt_properties_set_int( producer_props, "_real_width", current_width );
- mlt_properties_set_int( producer_props, "_real_height", current_height );
+ mlt_properties_set_int( producer_props, "_real_width", self->current_width );
+ mlt_properties_set_int( producer_props, "_real_height", self->current_height );
mlt_events_unblock( producer_props, NULL );
}
else
}
// If we have a pixbuf and this request specifies a valid dimension and we haven't already got a cached version...
- if ( qimage && width > 0 && current_image == NULL )
+ if ( qimage && width > 0 && self->current_image == NULL )
{
char *interps = mlt_properties_get( properties, "rescale.interp" );
int interp = 0;
else if ( strcmp( interps, "hyper" ) == 0 )
interp = 1;
+#ifdef USE_QT4
+ // Note - the original qimage is already safe and ready for destruction
+ QImage scaled = interp == 0 ? qimage->scaled( QSize( width, height)) : qimage->scaled( QSize(width, height), Qt::IgnoreAspectRatio, Qt::SmoothTransformation);
+ QImage temp;
+ bool hasAlpha = scaled.hasAlphaChannel();
+ if (hasAlpha)
+ temp = scaled.convertToFormat(QImage::Format_ARGB32);
+ else
+ temp = scaled.convertToFormat(QImage::Format_RGB888);
+#endif
+
+#ifdef USE_QT3
// Note - the original qimage is already safe and ready for destruction
QImage scaled = interp == 0 ? qimage->scale( width, height, QImage::ScaleFree ) : qimage->smoothScale( width, height, QImage::ScaleFree );
QImage temp = scaled.convertDepth( 32 );
+ bool hasAlpha = true;
+#endif
// Store width and height
- current_width = width;
- current_height = height;
+ self->current_width = width;
+ self->current_height = height;
// Allocate/define image
- current_image = ( uint8_t * )mlt_pool_alloc( width * ( height + 1 ) * 2 );
+ self->current_image = ( uint8_t * )mlt_pool_alloc( width * ( height + 1 ) * 2 );
- // Allocate the alpha mask
- current_alpha = ( uint8_t * )mlt_pool_alloc( current_width * current_height );
- // Convert the image
- if ( QImage::systemByteOrder( ) == QImage::BigEndian )
- mlt_convert_argb_to_yuv422( temp.bits( ), current_width, current_height, temp.bytesPerLine( ), current_image, current_alpha );
- else
- mlt_convert_bgr24a_to_yuv422( temp.bits( ), current_width, current_height, temp.bytesPerLine( ), current_image, current_alpha );
-
- assign_buffered_image( producer_props, current_image, current_alpha, current_width, current_height );
+ if (!hasAlpha) {
+ mlt_convert_rgb24_to_yuv422( temp.bits(), self->current_width, self->current_height, temp.bytesPerLine(), self->current_image );
+ }
+ else {
+ // Allocate the alpha mask
+ self->current_alpha = ( uint8_t * )mlt_pool_alloc( self->current_width * self->current_height );
+#ifdef USE_QT4
+ if ( QSysInfo::ByteOrder == QSysInfo::BigEndian )
+ mlt_convert_argb_to_yuv422( temp.bits( ), self->current_width, self->current_height, temp.bytesPerLine(), self->current_image, self->current_alpha );
+ else
+ mlt_convert_bgr24a_to_yuv422( temp.bits( ), self->current_width, self->current_height, temp.bytesPerLine( ), self->current_image, self->current_alpha );
+#endif
+
+#ifdef USE_QT3
+ // Convert the image
+ if ( QImage::systemByteOrder( ) == QImage::BigEndian )
+ mlt_convert_argb_to_yuv422( temp.bits( ), self->current_width, self->current_height, temp.bytesPerLine( ), self->current_image, self->current_alpha );
+ else
+ mlt_convert_bgr24a_to_yuv422( temp.bits( ), self->current_width, self->current_height, temp.bytesPerLine( ), self->current_image, self->current_alpha );
+#endif
+ }
// Ensure we update the cache when we need to
update_cache = use_cache;
}
// Set width/height of frame
- mlt_properties_set_int( properties, "width", current_width );
- mlt_properties_set_int( properties, "height", current_height );
+ mlt_properties_set_int( properties, "width", self->current_width );
+ mlt_properties_set_int( properties, "height", self->current_height );
mlt_properties_set_int( properties, "real_width", mlt_properties_get_int( producer_props, "_real_width" ) );
mlt_properties_set_int( properties, "real_height", mlt_properties_get_int( producer_props, "_real_height" ) );
// pass the image data without destructor
- mlt_properties_set_data( properties, "image", current_image, current_width * ( current_height + 1 ) * 2, NULL, NULL );
- mlt_properties_set_data( properties, "alpha", current_alpha, current_width * current_height, NULL, NULL );
+ mlt_properties_set_data( properties, "image", self->current_image, self->current_width * ( self->current_height + 1 ) * 2, NULL, NULL );
+ mlt_properties_set_data( properties, "alpha", self->current_alpha, self->current_width * self->current_height, NULL, NULL );
if ( update_cache )
{
- mlt_frame cached = mlt_frame_init( );
+ mlt_frame cached = mlt_frame_init( MLT_PRODUCER_SERVICE( producer ) );
mlt_properties cached_props = MLT_FRAME_PROPERTIES( cached );
- mlt_properties_set_int( cached_props, "width", current_width );
- mlt_properties_set_int( cached_props, "height", current_height );
+ mlt_properties_set_int( cached_props, "width", self->current_width );
+ mlt_properties_set_int( cached_props, "height", self->current_height );
mlt_properties_set_int( cached_props, "real_width", mlt_properties_get_int( producer_props, "_real_width" ) );
mlt_properties_set_int( cached_props, "real_height", mlt_properties_get_int( producer_props, "_real_height" ) );
- mlt_properties_set_data( cached_props, "image", current_image, current_width * ( current_height + 1 ) * 2, mlt_pool_release, NULL );
- mlt_properties_set_data( cached_props, "alpha", current_alpha, current_width * current_height, mlt_pool_release, NULL );
+ mlt_properties_set_data( cached_props, "image", self->current_image, self->current_width * ( self->current_height + 1 ) * 2, mlt_pool_release, NULL );
+ mlt_properties_set_data( cached_props, "alpha", self->current_alpha, self->current_width * self->current_height, mlt_pool_release, NULL );
mlt_properties_set_data( cache, image_key, cached, 0, ( mlt_destructor )mlt_frame_close, NULL );
}
-}
-
+ mutex.unlock();
+ }
}