static void mlt_producer_property_changed( mlt_service owner, mlt_producer this, char *name );
static void mlt_producer_service_changed( mlt_service owner, mlt_producer this );
+//#define _MLT_PRODUCER_CHECKS_ 1
+
+#ifdef _MLT_PRODUCER_CHECKS_
+static int producers_created = 0;
+static int producers_destroyed = 0;
+#endif
+
/** Constructor
*/
// Continue if no error
if ( error == 0 )
{
+#ifdef _MLT_PRODUCER_CHECKS_
+ producers_created ++;
+#endif
+
// Initialise the producer
memset( this, 0, sizeof( struct mlt_producer_s ) );
this->close_object = this;
// Get the properties of the parent
- mlt_properties properties = mlt_service_properties( parent );
+ mlt_properties properties = MLT_SERVICE_PROPERTIES( parent );
// Set the default properties
mlt_properties_set( properties, "mlt_type", "mlt_producer" );
if ( normalisation == NULL || strcmp( normalisation, "NTSC" ) )
{
mlt_properties_set_double( properties, "fps", 25.0 );
- mlt_properties_set_double( properties, "aspect_ratio", 72.0 / 79.0 );
+ mlt_properties_set_double( properties, "aspect_ratio", 59.0 / 54.0 );
}
else
{
mlt_properties_set_double( properties, "fps", 30000.0 / 1001.0 );
- mlt_properties_set_double( properties, "aspect_ratio", 128.0 / 117.0 );
+ mlt_properties_set_double( properties, "aspect_ratio", 10.0 / 11.0 );
}
mlt_properties_set_double( properties, "_speed", 1.0 );
mlt_properties_set_position( properties, "in", 0 );
static void mlt_producer_property_changed( mlt_service owner, mlt_producer this, char *name )
{
if ( !strcmp( name, "in" ) || !strcmp( name, "out" ) || !strcmp( name, "length" ) )
- mlt_events_fire( mlt_producer_properties( mlt_producer_cut_parent( this ) ), "producer-changed", NULL );
+ mlt_events_fire( MLT_PRODUCER_PROPERTIES( mlt_producer_cut_parent( this ) ), "producer-changed", NULL );
}
/** Listener for service changes.
static void mlt_producer_service_changed( mlt_service owner, mlt_producer this )
{
- mlt_events_fire( mlt_producer_properties( mlt_producer_cut_parent( this ) ), "producer-changed", NULL );
-}
-
-/** Special case destructor
-*/
-
-static void mlt_cut_destroy( void *obj )
-{
- mlt_producer this = obj;
- this->close = NULL;
- this->parent.close = NULL;
- mlt_service_close( &this->parent );
- free( this );
+ mlt_events_fire( MLT_PRODUCER_PROPERTIES( mlt_producer_cut_parent( this ) ), "producer-changed", NULL );
}
/** Create a new producer.
{
mlt_producer this = malloc( sizeof( struct mlt_producer_s ) );
mlt_producer_init( this, NULL );
- this->close = mlt_cut_destroy;
return this;
}
int mlt_producer_is_cut( mlt_producer this )
{
- return mlt_properties_get_int( mlt_producer_properties( this ), "_cut" );
+ return mlt_properties_get_int( MLT_PRODUCER_PROPERTIES( this ), "_cut" );
}
/** Determine if producer is a mix.
int mlt_producer_is_mix( mlt_producer this )
{
- mlt_properties properties = this != NULL ? mlt_producer_properties( this ) : NULL;
+ mlt_properties properties = this != NULL ? MLT_PRODUCER_PROPERTIES( this ) : NULL;
mlt_tractor tractor = properties != NULL ? mlt_properties_get_data( properties, "mlt_mix", NULL ) : NULL;
return tractor != NULL;
}
+/** Determine if the producer is a blank [from a playlist].
+*/
+
+int mlt_producer_is_blank( mlt_producer this )
+{
+ return this == NULL || !strcmp( mlt_properties_get( MLT_PRODUCER_PROPERTIES( mlt_producer_cut_parent( this ) ), "resource" ), "blank" );
+}
+
/** Obtain the parent producer.
*/
mlt_producer mlt_producer_cut_parent( mlt_producer this )
{
- mlt_properties properties = mlt_producer_properties( this );
+ mlt_properties properties = MLT_PRODUCER_PROPERTIES( this );
if ( mlt_producer_is_cut( this ) )
return mlt_properties_get_data( properties, "_cut_parent", NULL );
else
{
mlt_producer result = mlt_producer_new( );
mlt_producer parent = mlt_producer_cut_parent( this );
- mlt_properties properties = mlt_producer_properties( result );
- mlt_properties parent_props = mlt_producer_properties( parent );
+ mlt_properties properties = MLT_PRODUCER_PROPERTIES( result );
+ mlt_properties parent_props = MLT_PRODUCER_PROPERTIES( parent );
+ mlt_events_block( MLT_PRODUCER_PROPERTIES( result ), MLT_PRODUCER_PROPERTIES( result ) );
// Special case - allow for a cut of the entire producer (this will squeeze all other cuts to 0)
if ( in <= 0 )
in = 0;
- if ( out >= mlt_producer_get_playtime( parent ) )
- out = mlt_producer_get_playtime( parent ) - 1;
+ if ( ( out < 0 || out >= mlt_producer_get_length( parent ) ) && !mlt_producer_is_blank( this ) )
+ out = mlt_producer_get_length( parent ) - 1;
mlt_properties_inc_ref( parent_props );
mlt_properties_set_int( properties, "_cut", 1 );
mlt_properties_set_data( properties, "_cut_parent", parent, 0, ( mlt_destructor )mlt_producer_close, NULL );
mlt_properties_set_position( properties, "length", mlt_properties_get_position( parent_props, "length" ) );
- mlt_properties_set_position( properties, "in", 0 );
- mlt_properties_set_position( properties, "out", 0 );
mlt_producer_set_in_and_out( result, in, out );
+ // Mini fezzik :-/
+ mlt_filter filter = mlt_factory_filter( "data_feed", "attr_check" );
+ mlt_properties_set_int( MLT_FILTER_PROPERTIES( filter ), "_fezzik", 1 );
+ mlt_producer_attach( result, filter );
+ mlt_filter_close( filter );
+
return result;
}
mlt_properties mlt_producer_properties( mlt_producer this )
{
- return mlt_service_properties( &this->parent );
+ return MLT_SERVICE_PROPERTIES( &this->parent );
}
/** Seek to a specified position.
int mlt_producer_seek( mlt_producer this, mlt_position position )
{
// Determine eof handling
- mlt_properties properties = mlt_producer_properties( this );
+ mlt_properties properties = MLT_PRODUCER_PROPERTIES( this );
char *eof = mlt_properties_get( properties, "eof" );
int use_points = 1 - mlt_properties_get_int( properties, "ignore_points" );
- // Recursive behaviour for cuts...
+ // Recursive behaviour for cuts - repositions parent and then repositions cut
+ // hence no return on this condition
if ( mlt_producer_is_cut( this ) )
mlt_producer_seek( mlt_producer_cut_parent( this ), position + mlt_producer_get_in( this ) );
}
// Set the position
- mlt_properties_set_position( mlt_producer_properties( this ), "_position", position );
+ mlt_properties_set_position( MLT_PRODUCER_PROPERTIES( this ), "_position", position );
// Calculate the absolute frame
- mlt_properties_set_position( mlt_producer_properties( this ), "_frame", use_points * mlt_producer_get_in( this ) + position );
+ mlt_properties_set_position( MLT_PRODUCER_PROPERTIES( this ), "_frame", use_points * mlt_producer_get_in( this ) + position );
return 0;
}
mlt_position mlt_producer_position( mlt_producer this )
{
- return mlt_properties_get_position( mlt_producer_properties( this ), "_position" );
+ return mlt_properties_get_position( MLT_PRODUCER_PROPERTIES( this ), "_position" );
}
/** Get the current position (relative to start of producer).
mlt_position mlt_producer_frame( mlt_producer this )
{
- return mlt_properties_get_position( mlt_producer_properties( this ), "_frame" );
+ return mlt_properties_get_position( MLT_PRODUCER_PROPERTIES( this ), "_frame" );
}
/** Set the playing speed.
int mlt_producer_set_speed( mlt_producer this, double speed )
{
- return mlt_properties_set_double( mlt_producer_properties( this ), "_speed", speed );
+ return mlt_properties_set_double( MLT_PRODUCER_PROPERTIES( this ), "_speed", speed );
}
/** Get the playing speed.
double mlt_producer_get_speed( mlt_producer this )
{
- return mlt_properties_get_double( mlt_producer_properties( this ), "_speed" );
+ return mlt_properties_get_double( MLT_PRODUCER_PROPERTIES( this ), "_speed" );
}
/** Get the frames per second.
double mlt_producer_get_fps( mlt_producer this )
{
- return mlt_properties_get_double( mlt_producer_properties( this ), "fps" );
+ return mlt_properties_get_double( MLT_PRODUCER_PROPERTIES( this ), "fps" );
}
/** Set the in and out points.
int mlt_producer_set_in_and_out( mlt_producer this, mlt_position in, mlt_position out )
{
- mlt_properties properties = mlt_producer_properties( this );
+ mlt_properties properties = MLT_PRODUCER_PROPERTIES( this );
// Correct ins and outs if necessary
if ( in < 0 )
in = 0;
- else if ( in > mlt_producer_get_length( this ) )
- in = mlt_producer_get_length( this );
+ else if ( in >= mlt_producer_get_length( this ) )
+ in = mlt_producer_get_length( this ) - 1;
if ( out < 0 )
out = 0;
- else if ( out > mlt_producer_get_length( this ) )
- out = mlt_producer_get_length( this );
+ else if ( out >= mlt_producer_get_length( this ) && !mlt_producer_is_blank( this ) )
+ out = mlt_producer_get_length( this ) - 1;
+ else if ( out >= mlt_producer_get_length( this ) && mlt_producer_is_blank( this ) )
+ mlt_properties_set_position( MLT_PRODUCER_PROPERTIES( this ), "length", out + 1 );
// Swap ins and outs if wrong
if ( out < in )
{
if ( this != NULL )
{
- mlt_properties properties = mlt_producer_properties( this );
+ mlt_properties properties = MLT_PRODUCER_PROPERTIES( this );
mlt_events_block( properties, properties );
mlt_properties_set_position( properties, "in", 0 );
mlt_events_unblock( properties, properties );
mlt_position mlt_producer_get_in( mlt_producer this )
{
- return mlt_properties_get_position( mlt_producer_properties( this ), "in" );
+ return mlt_properties_get_position( MLT_PRODUCER_PROPERTIES( this ), "in" );
}
/** Get the out point.
mlt_position mlt_producer_get_out( mlt_producer this )
{
- return mlt_properties_get_position( mlt_producer_properties( this ), "out" );
+ return mlt_properties_get_position( MLT_PRODUCER_PROPERTIES( this ), "out" );
}
/** Get the total play time.
mlt_position mlt_producer_get_length( mlt_producer this )
{
- return mlt_properties_get_position( mlt_producer_properties( this ), "length" );
+ return mlt_properties_get_position( MLT_PRODUCER_PROPERTIES( this ), "length" );
}
/** Prepare for next frame.
void mlt_producer_prepare_next( mlt_producer this )
{
- mlt_producer_seek( this, mlt_producer_position( this ) + mlt_producer_get_speed( this ) );
+ if ( mlt_producer_get_speed( this ) != 0 )
+ mlt_producer_seek( this, mlt_producer_position( this ) + mlt_producer_get_speed( this ) );
}
/** Get a frame.
static int producer_get_frame( mlt_service service, mlt_frame_ptr frame, int index )
{
int result = 1;
- mlt_producer this = service->child;
+ mlt_producer this = service != NULL ? service->child : NULL;
- if ( !mlt_producer_is_cut( this ) )
+ if ( this != NULL && !mlt_producer_is_cut( this ) )
{
+ // Get the properties of this producer
+ mlt_properties properties = MLT_PRODUCER_PROPERTIES( this );
+
// Determine eof handling
- char *eof = mlt_properties_get( mlt_producer_properties( this ), "eof" );
+ char *eof = mlt_properties_get( MLT_PRODUCER_PROPERTIES( this ), "eof" );
+
+ // Get the speed of the producer
+ double speed = mlt_producer_get_speed( this );
+
+ // We need to use the clone if it's specified
+ mlt_producer clone = mlt_properties_get_data( properties, "use_clone", NULL );
+
+ // If no clone is specified, use this
+ clone = clone == NULL ? this : clone;
// A properly instatiated producer will have a get_frame method...
if ( this->get_frame == NULL || ( !strcmp( eof, "continue" ) && mlt_producer_position( this ) > mlt_producer_get_out( this ) ) )
result = mlt_frame_set_position( *frame, mlt_producer_position( this ) );
// Mark as a test card
- mlt_properties_set_int( mlt_frame_properties( *frame ), "test_image", 1 );
- mlt_properties_set_int( mlt_frame_properties( *frame ), "test_audio", 1 );
+ mlt_properties_set_int( MLT_FRAME_PROPERTIES( *frame ), "test_image", 1 );
+ mlt_properties_set_int( MLT_FRAME_PROPERTIES( *frame ), "test_audio", 1 );
// Calculate the next position
mlt_producer_prepare_next( this );
else
{
// Get the frame from the implementation
- result = this->get_frame( this, frame, index );
+ result = this->get_frame( clone, frame, index );
}
// Copy the fps and speed of the producer onto the frame
- mlt_properties properties = mlt_frame_properties( *frame );
- double speed = mlt_producer_get_speed( this );
+ properties = MLT_FRAME_PROPERTIES( *frame );
mlt_properties_set_double( properties, "_speed", speed );
mlt_properties_set_double( properties, "fps", mlt_producer_get_fps( this ) );
mlt_properties_set_int( properties, "test_audio", mlt_frame_is_test_audio( *frame ) );
if ( mlt_properties_get_data( properties, "_producer", NULL ) == NULL )
mlt_properties_set_data( properties, "_producer", service, 0, NULL, NULL );
}
- else
+ else if ( this != NULL )
{
- mlt_properties properties = mlt_producer_properties( this );
+ // Get the speed of the cut
+ double speed = mlt_producer_get_speed( this );
+
+ // Get the parent of this cut
+ mlt_producer parent = mlt_producer_cut_parent( this );
+
+ // Get the properties of the parent
+ mlt_properties parent_properties = MLT_PRODUCER_PROPERTIES( parent );
+
+ // Get the properties of the cut
+ mlt_properties properties = MLT_PRODUCER_PROPERTIES( this );
+
+ // Determine the clone index
int clone_index = mlt_properties_get_int( properties, "_clone" );
+
+ // Determine the clone to use
mlt_producer clone = this;
+
if ( clone_index > 0 )
{
char key[ 25 ];
sprintf( key, "_clone.%d", clone_index - 1 );
- clone = mlt_properties_get_data( mlt_producer_properties( mlt_producer_cut_parent( this ) ), key, NULL );
+ clone = mlt_properties_get_data( MLT_PRODUCER_PROPERTIES( mlt_producer_cut_parent( this ) ), key, NULL );
+ if ( clone == NULL ) fprintf( stderr, "requested clone doesn't exist %d\n", clone_index );
clone = clone == NULL ? this : clone;
}
- mlt_producer_seek( clone, mlt_properties_get_int( properties, "_position" ) );
- result = producer_get_frame( mlt_producer_service( mlt_producer_cut_parent( clone ) ), frame, index );
- double speed = mlt_producer_get_speed( this );
- mlt_properties_set_double( mlt_frame_properties( *frame ), "_speed", speed );
- mlt_producer_prepare_next( clone );
+ else
+ {
+ clone = parent;
+ }
+
+ // We need to seek to the correct position in the clone
+ mlt_producer_seek( clone, mlt_producer_get_in( this ) + mlt_properties_get_int( properties, "_position" ) );
+
+ // Assign the clone property to the parent
+ mlt_properties_set_data( parent_properties, "use_clone", clone, 0, NULL, NULL );
+
+ // Now get the frame from the parents service
+ result = mlt_service_get_frame( MLT_PRODUCER_SERVICE( parent ), frame, index );
+
+ // We're done with the clone now
+ mlt_properties_set_data( parent_properties, "use_clone", NULL, 0, NULL, NULL );
+
+ // This is useful and required by always_active transitions to determine in/out points of the cut
+ if ( mlt_properties_get_data( MLT_FRAME_PROPERTIES( *frame ), "_producer", NULL ) == MLT_PRODUCER_SERVICE( parent ) )
+ mlt_properties_set_data( MLT_FRAME_PROPERTIES( *frame ), "_producer", this, 0, NULL, NULL );
+
+ mlt_properties_set_double( MLT_FRAME_PROPERTIES( *frame ), "_speed", speed );
+ mlt_producer_prepare_next( this );
+ }
+ else
+ {
+ *frame = mlt_frame_init( );
+ result = 0;
+ }
+
+ // Pass on all meta properties from the producer/cut on to the frame
+ if ( *frame != NULL && this != NULL )
+ {
+ int i = 0;
+ mlt_properties p_props = MLT_PRODUCER_PROPERTIES( this );
+ mlt_properties f_props = MLT_FRAME_PROPERTIES( *frame );
+ int count = mlt_properties_count( p_props );
+ for ( i = 0; i < count; i ++ )
+ {
+ char *name = mlt_properties_get_name( p_props, i );
+ if ( !strncmp( name, "meta.", 5 ) )
+ mlt_properties_set( f_props, name, mlt_properties_get( p_props, name ) );
+ }
}
return result;
int mlt_producer_attach( mlt_producer this, mlt_filter filter )
{
- return mlt_service_attach( mlt_producer_service( this ), filter );
+ return mlt_service_attach( MLT_PRODUCER_SERVICE( this ), filter );
}
/** Detach a filter.
int mlt_producer_detach( mlt_producer this, mlt_filter filter )
{
- return mlt_service_detach( mlt_producer_service( this ), filter );
+ return mlt_service_detach( MLT_PRODUCER_SERVICE( this ), filter );
}
/** Retrieve a filter.
mlt_filter mlt_producer_filter( mlt_producer this, int index )
{
- return mlt_service_filter( mlt_producer_service( this ), index );
+ return mlt_service_filter( MLT_PRODUCER_SERVICE( this ), index );
}
/** Clone this producer.
static mlt_producer mlt_producer_clone( mlt_producer this )
{
mlt_producer clone = NULL;
- mlt_properties properties = mlt_producer_properties( this );
+ mlt_properties properties = MLT_PRODUCER_PROPERTIES( this );
char *resource = mlt_properties_get( properties, "resource" );
char *service = mlt_properties_get( properties, "mlt_service" );
+ mlt_events_block( mlt_factory_event_object( ), mlt_factory_event_object( ) );
+
if ( service != NULL )
- {
- char temp[ 1024 ];
- strncpy( temp, service, 1024 );
- if ( resource != NULL )
- {
- strcat( temp, ":" );
- strncat( temp, resource, 1023 - strlen( temp ) );
- }
- clone = mlt_factory_producer( "fezzik", temp );
- }
+ clone = mlt_factory_producer( service, resource );
if ( clone == NULL && resource != NULL )
clone = mlt_factory_producer( "fezzik", resource );
+ if ( clone != NULL )
+ mlt_properties_inherit( MLT_PRODUCER_PROPERTIES( clone ), properties );
+
+ mlt_events_unblock( mlt_factory_event_object( ), mlt_factory_event_object( ) );
+
return clone;
}
static void mlt_producer_set_clones( mlt_producer this, int clones )
{
mlt_producer parent = mlt_producer_cut_parent( this );
- mlt_properties properties = mlt_producer_properties( parent );
+ mlt_properties properties = MLT_PRODUCER_PROPERTIES( parent );
int existing = mlt_properties_get_int( properties, "_clones" );
int i = 0;
char key[ 25 ];
- // If the number of existing clones is different, the create/remove as necessary
+ // If the number of existing clones is different, then create/remove as necessary
if ( existing != clones )
{
if ( existing < clones )
{
mlt_producer clone = mlt_producer_clone( parent );
sprintf( key, "_clone.%d", i );
- mlt_properties_set_data( properties, key, clone, 0, ( mlt_destructor )mlt_producer_clone, NULL );
+ mlt_properties_set_data( properties, key, clone, 0, ( mlt_destructor )mlt_producer_close, NULL );
}
}
else
sprintf( key, "_clone.%d", i );
clone = mlt_properties_get_data( properties, key, NULL );
if ( clone != NULL )
- mlt_properties_pass( mlt_producer_properties( clone ), properties, "" );
+ mlt_properties_pass( MLT_PRODUCER_PROPERTIES( clone ), properties, "" );
}
// Update the number of clones on the properties
mlt_properties properties = mlt_parser_properties( this );
mlt_properties producers = mlt_properties_get_data( properties, "producers", NULL );
mlt_producer parent = mlt_producer_cut_parent( object );
- if ( !mlt_producer_is_mix( mlt_producer_cut_parent( object ) ) && mlt_producer_is_cut( object ) )
+ if ( mlt_service_identify( ( mlt_service )mlt_producer_cut_parent( object ) ) == producer_type && mlt_producer_is_cut( object ) )
{
int ref_count = 0;
clip_references *old_refs = NULL;
refs = malloc( ( ref_count + 1 ) * sizeof( clip_references ) );
if ( old_refs != NULL )
memcpy( refs, old_refs, ref_count * sizeof( clip_references ) );
- mlt_properties_set_int( mlt_producer_properties( object ), "_clone", -1 );
+ mlt_properties_set_int( MLT_PRODUCER_PROPERTIES( object ), "_clone", -1 );
refs[ ref_count ].cut = object;
refs[ ref_count ].start = info->position;
refs[ ref_count ].end = info->position + mlt_producer_get_playtime( object ) - 1;
parser->on_start_multitrack = on_start_multitrack;
parser->on_end_multitrack = on_end_multitrack;
push( parser, 0, 0, 0 );
- mlt_parser_start( parser, mlt_producer_service( this ) );
+ mlt_parser_start( parser, MLT_PRODUCER_SERVICE( this ) );
free( pop( parser ) );
for ( k = 0; k < mlt_properties_count( producers ); k ++ )
{
if ( intersect( &refs[ i ], &refs[ j ] ) )
{
clones ++;
- mlt_properties_set_int( mlt_producer_properties( refs[ j ].cut ), "_clone", clones );
+ mlt_properties_set_int( MLT_PRODUCER_PROPERTIES( refs[ j ].cut ), "_clone", clones );
}
}
if ( clones > max_clones )
for ( i = 0; i < count; i ++ )
{
mlt_producer cut = refs[ i ].cut;
- if ( mlt_properties_get_int( mlt_producer_properties( cut ), "_clone" ) == -1 )
- mlt_properties_set_int( mlt_producer_properties( cut ), "_clone", 0 );
+ if ( mlt_properties_get_int( MLT_PRODUCER_PROPERTIES( cut ), "_clone" ) == -1 )
+ mlt_properties_set_int( MLT_PRODUCER_PROPERTIES( cut ), "_clone", 0 );
}
mlt_producer_set_clones( producer, max_clones );
for ( i = 0; i < count; i ++ )
{
mlt_producer cut = refs[ i ].cut;
- mlt_properties_set_int( mlt_producer_properties( cut ), "_clone", 0 );
+ mlt_properties_set_int( MLT_PRODUCER_PROPERTIES( cut ), "_clone", 0 );
}
mlt_producer_set_clones( producer, 0 );
}
void mlt_producer_close( mlt_producer this )
{
- if ( this != NULL && mlt_properties_dec_ref( mlt_producer_properties( this ) ) <= 0 )
+ if ( this != NULL && mlt_properties_dec_ref( MLT_PRODUCER_PROPERTIES( this ) ) <= 0 )
{
this->parent.close = NULL;
if ( this->close != NULL )
+ {
this->close( this->close_object );
+ }
else
+ {
+ int destroy = mlt_producer_is_cut( this );
+
+#if _MLT_PRODUCER_CHECKS_ == 1
+ // Show debug info
+ mlt_properties_debug( MLT_PRODUCER_PROPERTIES( this ), "Producer closing", stderr );
+#endif
+
+#ifdef _MLT_PRODUCER_CHECKS_
+ // Increment destroyed count
+ producers_destroyed ++;
+
+ // Show current stats - these should match when the app is closed
+ fprintf( stderr, "Producers created %d, destroyed %d\n", producers_created, producers_destroyed );
+#endif
+
mlt_service_close( &this->parent );
+
+ if ( destroy )
+ free( this );
+ }
}
}
projects / mlt / blobdiff