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_transition transition_mix_init( mlt_profile profile, mlt_service_type type, const char *id, char *arg )
{
transition_mix mix = calloc( 1 , sizeof( struct transition_mix_s ) );
mlt_transition transition = calloc( 1, sizeof( struct mlt_transition_s ) );
if ( mix && transition && !mlt_transition_init( transition, mix ) )
{
mix->parent = transition;
transition->close = transition_close;
transition->process = transition_process;
if ( arg )
mlt_properties_set_double( MLT_TRANSITION_PROPERTIES( transition ), "start", atof( arg ) );
// Inform apps and framework that this is an audio only transition
mlt_properties_set_int( MLT_TRANSITION_PROPERTIES( transition ), "_transition_type", 2 );
} else {
if ( transition )
mlt_transition_close( transition );
if ( mix )
free( mix );
}
return transition;
}
static void transition_close( mlt_transition transition )
{
free( transition->child );
transition->close = NULL;
mlt_transition_close( transition );
}
/** Constructor for the filter.
*/
mlt_filter filter_dynamictext_init( mlt_profile profile, mlt_service_type type, const char *id, char *arg )
{
mlt_filter filter = mlt_filter_new();
mlt_transition transition = mlt_factory_transition( profile, "composite", NULL );
mlt_producer producer = mlt_factory_producer( profile, mlt_environment( "MLT_PRODUCER" ), "qtext:" );
// Use pango if qtext is not available.
if( !producer )
producer = mlt_factory_producer( profile, mlt_environment( "MLT_PRODUCER" ), "pango:" );
if ( filter && transition && producer )
{
mlt_properties my_properties = MLT_FILTER_PROPERTIES( filter );
// Register the transition for reuse/destruction
mlt_properties_set_data( my_properties, "_transition", transition, 0, ( mlt_destructor )mlt_transition_close, NULL );
// Register the producer for reuse/destruction
mlt_properties_set_data( my_properties, "_producer", producer, 0, ( mlt_destructor )mlt_producer_close, NULL );
// Ensure that we loop
mlt_properties_set( MLT_PRODUCER_PROPERTIES( producer ), "eof", "loop" );
// Assign default values
mlt_properties_set( my_properties, "argument", arg ? arg: "#timecode#" );
mlt_properties_set( my_properties, "geometry", "0%/0%:100%x100%:100" );
mlt_properties_set( my_properties, "family", "Sans" );
mlt_properties_set( my_properties, "size", "48" );
mlt_properties_set( my_properties, "weight", "400" );
mlt_properties_set( my_properties, "fgcolour", "0x000000ff" );
mlt_properties_set( my_properties, "bgcolour", "0x00000020" );
mlt_properties_set( my_properties, "olcolour", "0x00000000" );
mlt_properties_set( my_properties, "pad", "0" );
mlt_properties_set( my_properties, "halign", "left" );
mlt_properties_set( my_properties, "valign", "top" );
mlt_properties_set( my_properties, "outline", "0" );
mlt_properties_set_int( my_properties, "_filter_private", 1 );
filter->process = filter_process;
}
else
{
if( filter )
{
mlt_filter_close( filter );
}
if( transition )
{
mlt_transition_close( transition );
}
if( producer )
{
mlt_producer_close( producer );
}
filter = NULL;
}
return filter;
}
int main( int argc, char **argv )
{
char temp[ 132 ];
char *file1 = NULL;
char *file2 = NULL;
char *wipe = NULL;
mlt_factory_init( "../modules" );
if ( argc < 4 )
{
fprintf( stderr, "usage: luma file1.mpeg file2.mpeg wipe.pgm\n" );
return 1;
}
else
{
file1 = argv[ 1 ];
file2 = argv[ 2 ];
wipe = argv[ 3 ];
}
// Start the consumer...
mlt_consumer consumer = mlt_factory_consumer( "bluefish", "NTSC" );
// Create the producer(s)
mlt_producer dv1 = mlt_factory_producer( "mcmpeg", file1 );
mlt_producer dv2 = mlt_factory_producer( "mcmpeg", file2 );
mlt_playlist playlist1 = mlt_playlist_init();
mlt_playlist_append_io( playlist1, dv1, 0.0, 5.0 );
mlt_playlist playlist2 = mlt_playlist_init();
mlt_playlist_blank( playlist2, 2.9 );
mlt_playlist_append( playlist2, dv2 );
// Register producers(s) with a multitrack object
mlt_multitrack multitrack = mlt_multitrack_init( );
mlt_multitrack_connect( multitrack, mlt_playlist_producer( playlist1 ), 0 );
mlt_multitrack_connect( multitrack, mlt_playlist_producer( playlist2 ), 1 );
// Define a transition
mlt_transition transition = mlt_factory_transition( "luma", wipe );
mlt_properties_set( mlt_transition_properties( transition ), "filename", wipe );
mlt_properties_set_double( mlt_transition_properties( transition ), "softness", 0.1 );
mlt_transition_connect( transition, mlt_multitrack_service( multitrack ), 0, 1 );
mlt_transition_set_in_and_out( transition, 3.0, 5.0 );
// Buy a tractor and connect it to the filter
mlt_tractor tractor = mlt_tractor_init( );
mlt_tractor_connect( tractor, mlt_transition_service( transition ) );
// Connect the tractor to the consumer
mlt_consumer_connect( consumer, mlt_tractor_service( tractor ) );
// Do stuff until we're told otherwise...
fprintf( stderr, "Press return to continue\n" );
fgets( temp, 132, stdin );
// Close everything...
mlt_consumer_close( consumer );
mlt_tractor_close( tractor );
mlt_transition_close( transition );
mlt_multitrack_close( multitrack );
mlt_playlist_close( playlist1 );
mlt_playlist_close( playlist2 );
mlt_producer_close( dv1 );
mlt_producer_close( dv2 );
return 0;
}
int main( int argc, char **argv )
{
char temp[ 132 ];
char *file1 = NULL;
char *text = NULL;
mlt_factory_init( "../modules" );
if ( argc < 3 )
{
fprintf( stderr, "usage: pango file.mpeg text_to_display\n" );
return 1;
}
else
{
file1 = argv[ 1 ];
text = argv[ 2 ];
}
// Start the consumer...
mlt_consumer consumer = mlt_factory_consumer( "bluefish", "NTSC" );
// Create the producer(s)
mlt_playlist pl1 = mlt_playlist_init();
mlt_producer dv1 = mlt_factory_producer( "mcmpeg", file1 );
mlt_playlist_append( pl1, dv1 );
mlt_playlist pl2 = mlt_playlist_init();
mlt_producer title = mlt_factory_producer( "pango", NULL ); //"<span font_desc=\"Sans Bold 36\">Mutton <span font_desc=\"Luxi Serif Bold Oblique 36\">Lettuce</span> Tomato</span>" );
mlt_playlist_append( pl2, title );
mlt_properties_set( mlt_producer_properties( title ), "family", "Sans" );
mlt_properties_set( mlt_producer_properties( title ), "size", "36" );
mlt_properties_set( mlt_producer_properties( title ), "weight", "700" );
mlt_properties_set( mlt_producer_properties( title ), "text", text );
mlt_properties_set_int( mlt_producer_properties( title ), "bgcolor", 0x0000007f );
mlt_properties_set_int( mlt_producer_properties( title ), "pad", 8 );
mlt_properties_set_int( mlt_producer_properties( title ), "align", 1 );
mlt_properties_set_int( mlt_producer_properties( title ), "x", 200 );
mlt_properties_set_int( mlt_producer_properties( title ), "y", 40 );
mlt_properties_set_double( mlt_producer_properties( title ), "mix", 0.8 );
// Register producers(s) with a multitrack object
mlt_multitrack multitrack = mlt_multitrack_init( );
mlt_multitrack_connect( multitrack, mlt_playlist_producer( pl1 ), 0 );
mlt_multitrack_connect( multitrack, mlt_playlist_producer( pl2 ), 1 );
// Define a transition
mlt_transition transition = mlt_factory_transition( "composite", NULL );
mlt_transition_connect( transition, mlt_multitrack_service( multitrack ), 0, 1 );
mlt_transition_set_in_and_out( transition, 0.0, 9999.0 );
// Buy a tractor and connect it to the filter
mlt_tractor tractor = mlt_tractor_init( );
mlt_tractor_connect( tractor, mlt_transition_service( transition ) );
// Connect the tractor to the consumer
mlt_consumer_connect( consumer, mlt_tractor_service( tractor ) );
// Do stuff until we're told otherwise...
fprintf( stderr, "Press return to continue\n" );
fgets( temp, 132, stdin );
// Close everything...
mlt_consumer_close( consumer );
mlt_tractor_close( tractor );
mlt_transition_close( transition );
mlt_multitrack_close( multitrack );
mlt_playlist_close( pl1 );
mlt_playlist_close( pl2 );
mlt_producer_close( dv1 );
mlt_producer_close( title );
return 0;
}
