#include <QtGui/QImage>
#include <QtCore/QSysInfo>
#include <QtCore/QMutex>
+#include <QtCore/QtEndian>
#endif
extern "C" {
#include <framework/mlt_pool.h>
+#include <framework/mlt_cache.h>
#ifdef USE_KDE
static KInstance *instance = 0L;
#endif
}
-QMutex mutex;
+static QMutex g_mutex;
#ifdef USE_KDE
void init_qimage()
}
#endif
-void refresh_qimage( mlt_frame frame, int width, int height )
+void refresh_qimage( producer_qimage self, mlt_frame frame, int width, int height )
{
- // Obtain a previous assigned qimage (if it exists)
- 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 the producer for this frame
- producer_qimage self = ( producer_qimage )mlt_properties_get_data( properties, "producer_qimage", NULL );
-
// Obtain the producer
mlt_producer producer = &self->parent;
// Obtain properties of producer
mlt_properties producer_props = MLT_PRODUCER_PROPERTIES( producer );
+ // restore QImage
+ pthread_mutex_lock( &self->mutex );
+ mlt_cache_item qimage_cache = mlt_service_cache_get( MLT_PRODUCER_SERVICE( producer ), "qimage.qimage" );
+ QImage *qimage = static_cast<QImage*>( mlt_cache_item_data( qimage_cache, NULL ) );
+
+ // restore scaled image
+ self->image_cache = mlt_service_cache_get( MLT_PRODUCER_SERVICE( producer ), "qimage.image" );
+ self->current_image = static_cast<uint8_t*>( mlt_cache_item_data( self->image_cache, NULL ) );
+
// Check if user wants us to reload the image
if ( mlt_properties_get_int( producer_props, "force_reload" ) )
{
char image_key[ 10 ];
sprintf( image_key, "%d", image_idx );
- mutex.lock();
+ g_mutex.lock();
// Check if the frame is already loaded
if ( use_cache )
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" ) );
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 );
+ self->has_alpha = mlt_properties_get_int( cached_props, "alpha" );
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 && self->current_image != NULL && image_idx == self->image_idx )
- {
- if ( width != self->current_width || height != self->current_height )
- {
- 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 && ( self->current_image == NULL || image_idx != self->image_idx ) )
+ if ( width != 0 && ( image_idx != self->image_idx || width != self->current_width || height != self->current_height ) )
+ self->current_image = NULL;
+ if ( image_idx != self->qimage_idx )
+ qimage = NULL;
+ if ( !qimage && !self->current_image )
{
- 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 ) );
if ( !qimage->isNull( ) )
{
- QImage *frame_copy = new QImage( *qimage );
-
- // Store the width/height of the pixbuf
+ // Store the width/height of the qimage
self->current_width = qimage->width( );
self->current_height = qimage->height( );
// Register qimage for destruction and reuse
+ mlt_cache_item_close( qimage_cache );
+ mlt_service_cache_put( MLT_PRODUCER_SERVICE( producer ), "qimage.qimage", qimage, 0, ( mlt_destructor )qimage_delete );
+ qimage_cache = mlt_service_cache_get( MLT_PRODUCER_SERVICE( producer ), "qimage.qimage" );
+ self->qimage_idx = image_idx;
+
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", self->current_width );
mlt_properties_set_int( producer_props, "_real_height", self->current_height );
mlt_events_unblock( producer_props, NULL );
}
// 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 && self->current_image == NULL )
+ if ( qimage && width > 0 && !self->current_image )
{
char *interps = mlt_properties_get( properties, "rescale.interp" );
int interp = 0;
#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 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);
+ self->has_alpha = scaled.hasAlphaChannel();
#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;
+ QImage scaled = interp == 0 ? qimage->scale( width, height, QImage::ScaleFree ) :
+ qimage->smoothScale( width, height, QImage::ScaleFree );
+ self->has_alpha = 1;
#endif
// Store width and height
self->current_width = width;
self->current_height = height;
-
- // Allocate/define image
- self->current_image = ( uint8_t * )mlt_pool_alloc( width * ( height + 1 ) * 2 );
-
- if (!hasAlpha) {
- mlt_convert_rgb24_to_yuv422( temp.bits(), self->current_width, self->current_height, temp.bytesPerLine(), self->current_image );
+ // Allocate/define image
+ int dst_stride = width * ( self->has_alpha ? 4 : 3 );
+ int image_size = dst_stride * ( height + 1 );
+ self->current_image = ( uint8_t * )mlt_pool_alloc( image_size );
+
+ // Copy the image
+ int y = self->current_height + 1;
+ uint8_t *dst = self->current_image;
+ while ( --y )
+ {
+ QRgb *src = (QRgb*) scaled.scanLine( self->current_height - y );
+ int x = self->current_width + 1;
+ while ( --x )
+ {
+ *dst++ = qRed(*src);
+ *dst++ = qGreen(*src);
+ *dst++ = qBlue(*src);
+ if ( self->has_alpha ) *dst++ = qAlpha(*src);
+ ++src;
+ }
}
- 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
- }
+ // Update the cache
+ if ( !use_cache )
+ mlt_cache_item_close( self->image_cache );
+ mlt_service_cache_put( MLT_PRODUCER_SERVICE( producer ), "qimage.image", self->current_image, image_size, mlt_pool_release );
+ self->image_cache = mlt_service_cache_get( MLT_PRODUCER_SERVICE( producer ), "qimage.image" );
+ self->image_idx = image_idx;
// Ensure we update the cache when we need to
update_cache = use_cache;
}
+ // release references no longer needed
+ mlt_cache_item_close( qimage_cache );
+ if ( width == 0 )
+ {
+ pthread_mutex_unlock( &self->mutex );
+ mlt_cache_item_close( self->image_cache );
+ }
+
// Set width/height of frame
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", 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_PRODUCER_SERVICE( producer ) );
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", 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( cached_props, "image", self->current_image,
+ self->current_width * ( self->current_height + 1 ) * ( self->has_alpha ? 4 : 3 ),
+ mlt_pool_release, NULL );
+ mlt_properties_set_int( cached_props, "alpha", self->has_alpha );
mlt_properties_set_data( cache, image_key, cached, 0, ( mlt_destructor )mlt_frame_close, NULL );
}
- mutex.unlock();
- }
+ g_mutex.unlock();
}
+} // extern "C"
projects / mlt / blobdiff