*/
#include <framework/mlt_producer.h>
+#include <framework/mlt_cache.h>
#include "qimage_wrapper.h"
#include <stdio.h>
if ( frame )
{
mlt_properties frame_properties = MLT_FRAME_PROPERTIES( frame );
+ pthread_mutex_init( &this->mutex, NULL );
mlt_properties_set_data( frame_properties, "producer_qimage", this, 0, NULL, NULL );
mlt_frame_set_position( frame, mlt_producer_position( producer ) );
mlt_properties_set_position( frame_properties, "qimage_position", mlt_producer_position( producer ) );
- refresh_qimage( frame, 0, 0 );
+ refresh_qimage( this, frame, 0, 0 );
mlt_frame_close( frame );
- mlt_properties_set_data( properties, "_qimage", NULL, 0, NULL, NULL );
}
}
if ( this->current_width == 0 )
// Obtain properties of frame
mlt_properties properties = MLT_FRAME_PROPERTIES( frame );
- // We need to know the size of the image to clone it
- int image_size = 0;
- int alpha_size = 0;
-
- // Alpha channel
- uint8_t *alpha = NULL;
+ // Obtain the producer for this frame
+ producer_qimage this = mlt_properties_get_data( properties, "producer_qimage", NULL );
*width = mlt_properties_get_int( properties, "rescale_width" );
*height = mlt_properties_get_int( properties, "rescale_height" );
// Refresh the image
- refresh_qimage( frame, *width, *height );
+ refresh_qimage( this, frame, *width, *height );
- // Get the image
- *buffer = mlt_properties_get_data( properties, "image", &image_size );
- alpha = mlt_properties_get_data( properties, "alpha", &alpha_size );
+ // We need to know the size of the image to clone it
+ int image_size = this->current_width * ( this->current_height + 1 ) * 2;
+ int alpha_size = this->current_width * this->current_height;
// Get width and height (may have changed during the refresh)
*width = mlt_properties_get_int( properties, "width" );
// NB: Cloning is necessary with this producer (due to processing of images ahead of use)
// The fault is not in the design of mlt, but in the implementation of the qimage producer...
- if ( *buffer != NULL )
+ if ( this->current_image != NULL )
{
if ( *format == mlt_image_yuv422 || *format == mlt_image_yuv420p )
{
uint8_t *image_copy = mlt_pool_alloc( image_size );
uint8_t *alpha_copy = mlt_pool_alloc( alpha_size );
- memcpy( image_copy, *buffer, image_size );
+ memcpy( image_copy, this->current_image, image_size );
// Copy or default the alpha
- if ( alpha != NULL )
- memcpy( alpha_copy, alpha, alpha_size );
+ if ( this->current_alpha )
+ memcpy( alpha_copy, this->current_alpha, alpha_size );
else
memset( alpha_copy, 255, alpha_size );
uint8_t *image_copy = mlt_pool_alloc( image_size );
uint8_t *alpha_copy = mlt_pool_alloc( alpha_size );
- mlt_convert_yuv422_to_rgb24a(*buffer, image_copy, (*width)*(*height));
+ mlt_convert_yuv422_to_rgb24a(this->current_image, image_copy, (*width)*(*height));
// Now update properties so we free the copy after
mlt_properties_set_data( properties, "image", image_copy, image_size, mlt_pool_release, NULL );
*height = 50;
}
+ // Release references and locks
+ pthread_mutex_unlock( &this->mutex );
+ mlt_cache_item_close( this->image_cache );
+ mlt_cache_item_close( this->alpha_cache );
+
return 0;
}
mlt_properties_set_position( properties, "qimage_position", mlt_producer_position( producer ) );
// Refresh the image
- refresh_qimage( *frame, 0, 0 );
+ refresh_qimage( this, *frame, 0, 0 );
// Set producer-specific frame properties
mlt_properties_set_int( properties, "progressive", mlt_properties_get_int( producer_properties, "progressive" ) );
static void producer_close( mlt_producer parent )
{
producer_qimage this = parent->child;
+ pthread_mutex_destroy( &this->mutex );
parent->close = NULL;
- mlt_pool_release( this->current_image );
- mlt_pool_release( this->current_alpha );
mlt_producer_close( parent );
mlt_properties_close( this->filenames );
free( this );
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 ) );
+
+ // 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" ) )
{
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 )
}
// 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->image_idx )
+ qimage = NULL;
+ if ( qimage == NULL && ( width == 0 || self->current_image == NULL ) )
{
- 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" );
+
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 );
// Allocate/define image
self->current_image = ( uint8_t * )mlt_pool_alloc( width * ( height + 1 ) * 2 );
-
+ 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 );
+ self->image_cache = mlt_service_cache_get( MLT_PRODUCER_SERVICE( producer ), "qimage.image" );
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 );
+ 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 );
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 );
+ mlt_cache_item_close( self->alpha_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_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();
- }
+ g_mutex.unlock();
}
+} // extern "C"