*/
#include "qimage_wrapper.h"
-#include "readexif.h"
-
-#ifdef USE_QT3
-#include <qimage.h>
-#include <qmutex.h>
-
-#ifdef USE_KDE
-#include <kinstance.h>
-#include <kimageio.h>
-#endif
+#ifdef USE_KDE4
+#include <kcomponentdata.h>
#endif
+#include <QImage>
+#include <QSysInfo>
+#include <QApplication>
+#include <QMutex>
+#include <QtEndian>
+#include <QTemporaryFile>
+#include <QLocale>
-#ifdef USE_QT4
-#include <QtGui/QImage>
-#include <QtCore/QSysInfo>
-#include <QtCore/QMutex>
-#include <QtCore/QtEndian>
+#ifdef USE_EXIF
+#include <libexif/exif-data.h>
#endif
-
#include <cmath>
+#include <unistd.h>
extern "C" {
#include <framework/mlt_pool.h>
#include <framework/mlt_cache.h>
-#ifdef USE_KDE
-static KInstance *instance = 0L;
+#ifdef USE_KDE4
+static KComponentData *instance = 0L;
#endif
+static QApplication *app = NULL;
+
static void qimage_delete( void *data )
{
QImage *image = ( QImage * )data;
delete image;
image = NULL;
-#ifdef USE_KDE
+#if defined(USE_KDE4)
if (instance) delete instance;
instance = 0L;
#endif
-}
-static QMutex g_mutex;
+}
-#ifdef USE_KDE
void init_qimage()
{
- if (!instance) {
- instance = new KInstance("qimage_prod");
- KImageIO::registerFormats();
+#ifdef USE_KDE4
+ if ( !instance ) {
+ instance = new KComponentData( "qimage_prod" );
}
+#endif
+
}
+
+static QImage* reorient_with_exif( producer_qimage self, int image_idx, QImage *qimage )
+{
+#ifdef USE_EXIF
+ mlt_properties producer_props = MLT_PRODUCER_PROPERTIES( &self->parent );
+ ExifData *d = exif_data_new_from_file( mlt_properties_get_value( self->filenames, image_idx ) );
+ ExifEntry *entry;
+ int exif_orientation = 0;
+ /* get orientation and rotate image accordingly if necessary */
+ if (d) {
+ if ( ( entry = exif_content_get_entry ( d->ifd[EXIF_IFD_0], EXIF_TAG_ORIENTATION ) ) )
+ exif_orientation = exif_get_short (entry->data, exif_data_get_byte_order (d));
+
+ /* Free the EXIF data */
+ exif_data_unref(d);
+ }
+
+ // Remember EXIF value, might be useful for someone
+ mlt_properties_set_int( producer_props, "_exif_orientation" , exif_orientation );
+
+ if ( exif_orientation > 1 )
+ {
+ // Rotate image according to exif data
+ QImage processed;
+ QMatrix matrix;
+
+ switch ( exif_orientation ) {
+ case 2:
+ matrix.scale( -1, 1 );
+ break;
+ case 3:
+ matrix.rotate( 180 );
+ break;
+ case 4:
+ matrix.scale( 1, -1 );
+ break;
+ case 5:
+ matrix.rotate( 270 );
+ matrix.scale( -1, 1 );
+ break;
+ case 6:
+ matrix.rotate( 90 );
+ break;
+ case 7:
+ matrix.rotate( 90 );
+ matrix.scale( -1, 1 );
+ break;
+ case 8:
+ matrix.rotate( 270 );
+ break;
+ }
+ processed = qimage->transformed( matrix );
+ delete qimage;
+ qimage = new QImage( processed );
+ }
#endif
+ return qimage;
+}
-void refresh_qimage( producer_qimage self, mlt_frame frame, int width, int height )
+int refresh_qimage( producer_qimage self, mlt_frame frame )
{
- // Obtain properties of frame
+ // Obtain properties of frame and producer
mlt_properties properties = MLT_FRAME_PROPERTIES( frame );
-
- // 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" ) )
{
- qimage = NULL;
+ self->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;
-
// 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" );
+ mlt_position position = mlt_frame_original_position( frame );
position += mlt_producer_get_in( producer );
// Image index
char image_key[ 10 ];
sprintf( image_key, "%d", image_idx );
- g_mutex.lock();
-
- // Check if the frame is already loaded
- if ( use_cache )
+ int disable_exif = mlt_properties_get_int( producer_props, "disable_exif" );
+
+
+ if ( app == NULL )
{
- if ( cache == NULL )
+ if ( qApp )
{
- cache = mlt_properties_new( );
- mlt_properties_set_data( producer_props, "_cache", cache, 0, ( mlt_destructor )mlt_properties_close, NULL );
+ app = qApp;
}
-
- mlt_frame cached = ( mlt_frame )mlt_properties_get_data( cache, image_key, NULL );
-
- if ( cached )
+ else
{
- self->image_idx = image_idx;
- mlt_properties cached_props = MLT_FRAME_PROPERTIES( cached );
- 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" ) );
- self->current_image = ( uint8_t * )mlt_properties_get_data( cached_props, "image", 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 linux
+ if ( getenv("DISPLAY") == 0 )
+ {
+ mlt_log_panic( MLT_PRODUCER_SERVICE( producer ), "Error, cannot render titles without an X11 environment.\nPlease either run melt from an X session or use a fake X server like xvfb:\nxvfb-run -a melt (...)\n" );
+ return -1;
+ }
+#endif
+ int argc = 1;
+ char* argv[1];
+ argv[0] = (char*) "xxx";
+ app = new QApplication( argc, argv );
+ const char *localename = mlt_properties_get_lcnumeric( MLT_SERVICE_PROPERTIES( MLT_PRODUCER_SERVICE( producer ) ) );
+ QLocale::setDefault( QLocale( localename ) );
}
}
- int disable_exif = mlt_properties_get_int( producer_props, "disable_exif" );
-
- // optimization for subsequent iterations on single pictur
- 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 ) || mlt_properties_get_int( producer_props, "_disable_exif" ) != disable_exif)
+ self->qimage = NULL;
+ if ( !self->qimage || mlt_properties_get_int( producer_props, "_disable_exif" ) != disable_exif )
{
self->current_image = NULL;
- qimage = new QImage( mlt_properties_get_value( self->filenames, image_idx ) );
+ QImage *qimage = new QImage( QString::fromUtf8( mlt_properties_get_value( self->filenames, image_idx ) ) );
+ self->qimage = qimage;
if ( !qimage->isNull( ) )
{
// Read the exif value for this file
- if ( disable_exif == 0) {
- int exif_orientation = check_exif_orientation(mlt_properties_get_value( self->filenames, image_idx ));
-
- if ( exif_orientation > 1 )
- {
- // Rotate image according to exif data
- QImage processed;
- QMatrix matrix;
-
- switch ( exif_orientation ) {
- case 2:
- matrix.scale( -1, 1 );
- break;
- case 3:
- matrix.rotate( 180 );
- break;
- case 4:
- matrix.scale( 1, -1 );
- break;
- case 5:
- matrix.rotate( 270 );
- matrix.scale( -1, 1 );
- break;
- case 6:
- matrix.rotate( 90 );
- break;
- case 7:
- matrix.rotate( 90 );
- matrix.scale( -1, 1 );
- break;
- case 8:
- matrix.rotate( 270 );
- break;
- }
- processed = qimage->transformed( matrix );
- delete qimage;
- qimage = new QImage( processed );
- }
- }
-
- // Store the width/height of the qimage
- self->current_width = qimage->width( );
- self->current_height = qimage->height( );
+ if ( !disable_exif )
+ qimage = reorient_with_exif( self, image_idx, qimage );
// Register qimage for destruction and reuse
- mlt_cache_item_close( qimage_cache );
+ mlt_cache_item_close( self->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_cache = mlt_service_cache_get( MLT_PRODUCER_SERVICE( producer ), "qimage.qimage" );
self->qimage_idx = image_idx;
+ // Store the width/height of the qimage
+ self->current_width = qimage->width( );
+ self->current_height = qimage->height( );
+
mlt_events_block( producer_props, NULL );
- mlt_properties_set_int( producer_props, "_real_width", self->current_width );
- mlt_properties_set_int( producer_props, "_real_height", self->current_height );
+ mlt_properties_set_int( producer_props, "meta.media.width", self->current_width );
+ mlt_properties_set_int( producer_props, "meta.media.height", self->current_height );
mlt_properties_set_int( producer_props, "_disable_exif", disable_exif );
mlt_events_unblock( producer_props, NULL );
}
else
{
delete qimage;
- qimage = NULL;
+ self->qimage = 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 )
+ // Set width/height of frame
+ mlt_properties_set_int( properties, "width", self->current_width );
+ mlt_properties_set_int( properties, "height", self->current_height );
+
+ return image_idx;
+}
+
+void refresh_image( producer_qimage self, mlt_frame frame, mlt_image_format format, int width, int height )
+{
+ // Obtain properties of frame and producer
+ mlt_properties properties = MLT_FRAME_PROPERTIES( frame );
+ mlt_producer producer = &self->parent;
+
+ // Get index and qimage
+ int image_idx = refresh_qimage( self, frame );
+
+ // optimization for subsequent iterations on single pictur
+ if ( image_idx != self->image_idx || width != self->current_width || height != self->current_height )
+ self->current_image = NULL;
+
+ // If we have a qimage and need a new scaled image
+ if ( self->qimage && ( !self->current_image || ( format != mlt_image_none && format != self->format ) ) )
{
char *interps = mlt_properties_get( properties, "rescale.interp" );
int interp = 0;
+ QImage *qimage = static_cast<QImage*>( self->qimage );
// QImage has two scaling modes - we'll toggle between them here
- if ( strcmp( interps, "tiles" ) == 0 )
- interp = 1;
- else if ( strcmp( interps, "hyper" ) == 0 )
+ if ( strcmp( interps, "tiles" ) == 0
+ || strcmp( interps, "hyper" ) == 0
+ || strcmp( interps, "bicubic" ) == 0 )
interp = 1;
-#ifdef USE_QT4
// Note - the original qimage is already safe and ready for destruction
+ if ( qimage->depth() == 1 )
+ {
+ QImage temp = qimage->convertToFormat( QImage::Format_RGB32 );
+ delete qimage;
+ qimage = new QImage( temp );
+ self->qimage = qimage;
+ }
QImage scaled = interp == 0 ? qimage->scaled( QSize( width, height ) ) :
qimage->scaled( QSize(width, height), Qt::IgnoreAspectRatio, Qt::SmoothTransformation );
- QImage temp;
- 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 );
- self->has_alpha = 1;
-#endif
+ int has_alpha = scaled.hasAlphaChannel();
// Store width and height
self->current_width = width;
self->current_height = height;
// Allocate/define image
- int dst_stride = width * ( self->has_alpha ? 4 : 3 );
+ int dst_stride = width * ( has_alpha ? 4 : 3 );
int image_size = dst_stride * ( height + 1 );
self->current_image = ( uint8_t * )mlt_pool_alloc( image_size );
+ self->current_alpha = NULL;
+ self->format = has_alpha ? mlt_image_rgb24a : mlt_image_rgb24;
// Copy the image
int y = self->current_height + 1;
*dst++ = qRed(*src);
*dst++ = qGreen(*src);
*dst++ = qBlue(*src);
- if ( self->has_alpha ) *dst++ = qAlpha(*src);
+ if ( has_alpha ) *dst++ = qAlpha(*src);
++src;
}
}
+ // Convert image to requested format
+ if ( format != mlt_image_none && format != self->format )
+ {
+ uint8_t *buffer = NULL;
+
+ // First, set the image so it can be converted when we get it
+ mlt_frame_replace_image( frame, self->current_image, self->format, width, height );
+ mlt_frame_set_image( frame, self->current_image, image_size, mlt_pool_release );
+ self->format = format;
+
+ // get_image will do the format conversion
+ mlt_frame_get_image( frame, &buffer, &format, &width, &height, 0 );
+
+ // cache copies of the image and alpha buffers
+ if ( buffer )
+ {
+ image_size = mlt_image_format_size( format, width, height, NULL );
+ self->current_image = (uint8_t*) mlt_pool_alloc( image_size );
+ memcpy( self->current_image, buffer, image_size );
+ }
+ if ( ( buffer = mlt_frame_get_alpha_mask( frame ) ) )
+ {
+ self->current_alpha = (uint8_t*) mlt_pool_alloc( width * height );
+ memcpy( self->current_alpha, buffer, width * height );
+ }
+ }
+
// Update the cache
- if ( !use_cache )
- mlt_cache_item_close( self->image_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 );
+ mlt_cache_item_close( self->alpha_cache );
+ self->alpha_cache = NULL;
+ if ( self->current_alpha )
+ {
+ 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" );
+ }
}
// 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" ) );
+}
+
+extern void make_tempfile( producer_qimage self, const char *xml )
+{
+ // Generate a temporary file for the svg
+ QTemporaryFile tempFile( "mlt.XXXXXX" );
- if ( update_cache )
+ tempFile.setAutoRemove( false );
+ if ( tempFile.open() )
{
- 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", 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", 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 );
+ // Write the svg into the temp file
+ char *fullname = tempFile.fileName().toUtf8().data();
+
+ // Strip leading crap
+ while ( xml[0] != '<' )
+ xml++;
+
+ qint64 remaining_bytes = strlen( xml );
+ while ( remaining_bytes > 0 )
+ remaining_bytes -= tempFile.write( xml + strlen( xml ) - remaining_bytes, remaining_bytes );
+ tempFile.close();
+
+ mlt_properties_set( self->filenames, "0", fullname );
+
+ mlt_properties_set_data( MLT_PRODUCER_PROPERTIES( &self->parent ), "__temporary_file__",
+ fullname, 0, ( mlt_destructor )unlink, NULL );
}
- g_mutex.unlock();
}
} // extern "C"