#include <QtGui/QImage>
#include <QtCore/QSysInfo>
#include <QtCore/QMutex>
+#include <QtCore/QtEndian>
#endif
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 ) );
- // restore alpha channel
- self->alpha_cache = mlt_service_cache_get( MLT_PRODUCER_SERVICE( producer ), "qimage.alpha" );
- self->current_alpha = static_cast<uint8_t*>( mlt_cache_item_data( self->alpha_cache, NULL ) );
-
// Check if user wants us to reload the image
if ( mlt_properties_get_int( producer_props, "force_reload" ) )
{
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;
#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 );
+ 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;
+ }
+ }
+
+ // 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, width * ( height + 1 ) * 2, mlt_pool_release );
+ 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;
- 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( width * height );
- if ( !use_cache )
- mlt_cache_item_close( self->alpha_cache );
- mlt_service_cache_put( MLT_PRODUCER_SERVICE( producer ), "qimage.alpha", self->current_alpha, width * height, mlt_pool_release );
- self->alpha_cache = mlt_service_cache_get( MLT_PRODUCER_SERVICE( producer ), "qimage.alpha" );
-
-#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;
}
{
pthread_mutex_unlock( &self->mutex );
mlt_cache_item_close( self->image_cache );
- mlt_cache_item_close( self->alpha_cache );
}
// Set width/height of frame
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 );
}
g_mutex.unlock();
projects / mlt / blobdiff