mlt_filter filter_audiospectrum_init( mlt_profile profile, mlt_service_type type, const char *id, char *arg )
{
mlt_filter filter = mlt_filter_new();
private_data* pdata = (private_data*)calloc( 1, sizeof(private_data) );
if ( filter && pdata && createQApplicationIfNeeded( MLT_FILTER_SERVICE(filter) ) )
{
mlt_properties properties = MLT_FILTER_PROPERTIES( filter );
mlt_properties_set_int( properties, "_filter_private", 1 );
mlt_properties_set_int( properties, "frequency_low", 20 );
mlt_properties_set_int( properties, "frequency_high", 20000 );
mlt_properties_set( properties, "type", "line" );
mlt_properties_set( properties, "bgcolor", "0x00000000" );
mlt_properties_set( properties, "color.1", "0xffffffff" );
mlt_properties_set( properties, "rect", "0% 0% 100% 100%" );
mlt_properties_set( properties, "thickness", "0" );
mlt_properties_set( properties, "fill", "0" );
mlt_properties_set( properties, "mirror", "0" );
mlt_properties_set( properties, "reverse", "0" );
mlt_properties_set( properties, "tension", "0.4" );
mlt_properties_set( properties, "angle", "0" );
mlt_properties_set( properties, "gorient", "v" );
mlt_properties_set_int( properties, "bands", 31 );
mlt_properties_set_double( properties, "threshold", -60.0 );
mlt_properties_set_int( properties, "window_size", 8192 );
// Create a unique ID for storing data on the frame
pdata->fft_prop_name = (char*)calloc( 1, 20 );
snprintf( pdata->fft_prop_name, 20, "fft.%p", filter );
pdata->fft_prop_name[20 - 1] = '\0';
pdata->fft = 0;
filter->close = filter_close;
filter->process = filter_process;
filter->child = pdata;
}
else
{
mlt_log_error( MLT_FILTER_SERVICE(filter), "Filter audio spectrum failed\n" );
if( filter )
{
mlt_filter_close( filter );
}
if( pdata )
{
free( pdata );
}
filter = NULL;
}
return filter;
}
mlt_transition transition_vqm_init( mlt_profile profile, mlt_service_type type, const char *id, void *arg )
{
mlt_transition transition = mlt_transition_new();
if ( transition )
{
mlt_properties properties = MLT_TRANSITION_PROPERTIES( transition );
if ( !createQApplicationIfNeeded( MLT_TRANSITION_SERVICE(transition) ) )
{
mlt_transition_close( transition );
return NULL;
}
transition->process = process;
mlt_properties_set_int( properties, "_transition_type", 1 ); // video only
mlt_properties_set_int( properties, "window_size", 8 );
printf( "frame psnr[Y] psnr[Cb] psnr[Cr] ssim[Y] ssim[Cb] ssim[Cr]\n" );
}
return transition;
}
mlt_filter filter_audiowaveform_init( mlt_profile profile, mlt_service_type type, const char *id, char *arg )
{
mlt_filter filter = mlt_filter_new();
if ( !filter ) return NULL;
if ( !createQApplicationIfNeeded( MLT_FILTER_SERVICE(filter) ) ) {
mlt_filter_close( filter );
return NULL;
}
filter->process = filter_process;
mlt_properties filter_properties = MLT_FILTER_PROPERTIES( filter );
mlt_properties_set( filter_properties, "bgcolor", "0x00000000" );
mlt_properties_set( filter_properties, "color.1", "0xffffffff" );
mlt_properties_set( filter_properties, "thickness", "0" );
mlt_properties_set( filter_properties, "show_channel", "0" );
mlt_properties_set( filter_properties, "angle", "0" );
mlt_properties_set( filter_properties, "rect", "0 0 100% 100%" );
mlt_properties_set( filter_properties, "fill", "0" );
mlt_properties_set( filter_properties, "gorient", "v" );
return filter;
}
mlt_producer producer_qtext_init( mlt_profile profile, mlt_service_type type, const char *id, char *filename )
{
// Create a new producer object
mlt_producer producer = mlt_producer_new( profile );
mlt_properties producer_properties = MLT_PRODUCER_PROPERTIES( producer );
// Initialize the producer
if ( producer )
{
if ( !createQApplicationIfNeeded( MLT_PRODUCER_SERVICE(producer) ) )
{
mlt_producer_close( producer );
return NULL;
}
mlt_properties_set( producer_properties, "text", "" );
mlt_properties_set( producer_properties, "fgcolour", "0xffffffff" );
mlt_properties_set( producer_properties, "bgcolour", "0x00000000" );
mlt_properties_set( producer_properties, "olcolour", "0x00000000" );
mlt_properties_set( producer_properties, "outline", "0" );
mlt_properties_set( producer_properties, "align", "left" );
mlt_properties_set( producer_properties, "pad", "0" );
mlt_properties_set( producer_properties, "family", "Sans" );
mlt_properties_set( producer_properties, "size", "48" );
mlt_properties_set( producer_properties, "style", "normal" );
mlt_properties_set( producer_properties, "weight", "400" );
mlt_properties_set( producer_properties, "encoding", "UTF-8" );
// Parse the filename argument
if ( filename == NULL ||
!strcmp( filename, "" ) ||
strstr( filename, "<producer>" ) )
{
}
else if( filename[ 0 ] == '+' || strstr( filename, "/+" ) )
{
char *copy = strdup( filename + 1 );
char *tmp = copy;
if ( strstr( tmp, "/+" ) )
tmp = strstr( tmp, "/+" ) + 2;
if ( strrchr( tmp, '.' ) )
( *strrchr( tmp, '.' ) ) = '\0';
while ( strchr( tmp, '~' ) )
( *strchr( tmp, '~' ) ) = '\n';
mlt_properties_set( producer_properties, "text", tmp );
mlt_properties_set( producer_properties, "resource", filename );
free( copy );
}
else
{
// Convert file name string encoding.
mlt_properties_set( producer_properties, "resource", filename );
mlt_properties_from_utf8( producer_properties, "resource", "_resource" );
filename = mlt_properties_get( producer_properties, "_resource" );
FILE *f = fopen( filename, "r" );
if ( f != NULL )
{
char line[81];
char *tmp = NULL;
size_t size = 0;
line[80] = '\0';
while ( fgets( line, 80, f ) )
{
size += strlen( line ) + 1;
if ( tmp )
{
tmp = (char*)realloc( tmp, size );
if ( tmp )
strcat( tmp, line );
}
else
{
tmp = strdup( line );
}
}
fclose( f );
if ( tmp && tmp[ strlen( tmp ) - 1 ] == '\n' )
tmp[ strlen( tmp ) - 1 ] = '\0';
if ( tmp )
mlt_properties_set( producer_properties, "text", tmp );
free( tmp );
}
}
// Create QT objects to be reused.
mlt_properties_set_data( producer_properties, "_qimg", static_cast<void*>( new QImage() ), 0, close_qimg, NULL );
mlt_properties_set_data( producer_properties, "_qpath", static_cast<void*>( new QPainterPath() ), 0, close_qpath, NULL );
// Callback registration
producer->get_frame = producer_get_frame;
producer->close = ( mlt_destructor )producer_close;
}
return producer;
}
int refresh_qimage( producer_qimage self, mlt_frame frame )
{
// Obtain properties of frame and producer
mlt_properties properties = MLT_FRAME_PROPERTIES( frame );
mlt_producer producer = &self->parent;
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" ) )
{
self->qimage = NULL;
self->current_image = NULL;
mlt_properties_set_int( producer_props, "force_reload", 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_frame_original_position( frame );
position += mlt_producer_get_in( producer );
// Image index
int image_idx = ( int )floor( ( double )position / ttl ) % self->count;
int disable_exif = mlt_properties_get_int( producer_props, "disable_exif" );
if ( !createQApplicationIfNeeded( MLT_PRODUCER_SERVICE(producer) ) )
return -1;
if ( image_idx != self->qimage_idx )
self->qimage = NULL;
if ( !self->qimage || mlt_properties_get_int( producer_props, "_disable_exif" ) != disable_exif )
{
self->current_image = NULL;
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 )
qimage = reorient_with_exif( self, image_idx, qimage );
// Register qimage for destruction and reuse
mlt_cache_item_close( self->qimage_cache );
mlt_service_cache_put( MLT_PRODUCER_SERVICE( producer ), "qimage.qimage", qimage, 0, ( mlt_destructor )qimage_delete );
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, "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;
self->qimage = NULL;
}
}
// 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;
}
