#include <stdio.h>
#include <stdlib.h>
#include <string.h>
+#include <pthread.h>
/** IMPORTANT NOTES
int filter_count;
int filter_size;
mlt_filter *filters;
+ pthread_mutex_t mutex;
}
mlt_service_base;
mlt_events_init( &this->parent );
mlt_events_register( &this->parent, "service-changed", NULL );
mlt_events_register( &this->parent, "property-changed", ( mlt_transmitter )mlt_service_property_changed );
+ pthread_mutex_init( &( ( mlt_service_base * )this->local )->mutex, NULL );
}
return error;
listener( owner, this, ( char * )args[ 0 ] );
}
+void mlt_service_lock( mlt_service this )
+{
+ if ( this != NULL )
+ pthread_mutex_lock( &( ( mlt_service_base * )this->local )->mutex );
+}
+
+void mlt_service_unlock( mlt_service this )
+{
+ if ( this != NULL )
+ pthread_mutex_unlock( &( ( mlt_service_base * )this->local )->mutex );
+}
+
+mlt_service_type mlt_service_identify( mlt_service this )
+{
+ mlt_service_type type = invalid_type;
+ if ( this != NULL )
+ {
+ mlt_properties properties = mlt_service_properties( this );
+ char *mlt_type = mlt_properties_get( properties, "mlt_type" );
+ char *resource = mlt_properties_get( properties, "resource" );
+ if ( mlt_type == NULL )
+ type = unknown_type;
+ else if ( !strcmp( mlt_type, "producer" ) )
+ type = producer_type;
+ else if ( !strcmp( mlt_type, "mlt_producer" ) )
+ {
+ if ( resource == NULL || !strcmp( resource, "<producer>" ) )
+ type = producer_type;
+ else if ( !strcmp( resource, "<playlist>" ) )
+ type = playlist_type;
+ else if ( !strcmp( resource, "<tractor>" ) )
+ type = tractor_type;
+ else if ( !strcmp( resource, "<multitrack>" ) )
+ type = multitrack_type;
+ }
+ else if ( !strcmp( mlt_type, "filter" ) )
+ type = filter_type;
+ else if ( !strcmp( mlt_type, "transition" ) )
+ type = transition_type;
+ else if ( !strcmp( mlt_type, "consumer" ) )
+ type = consumer_type;
+ else
+ type = unknown_type;
+ }
+ return type;
+}
+
/** Connect a producer service.
Returns: > 0 warning, == 0 success, < 0 serious error
1 = this service does not accept input
// Increment the reference count on this producer
if ( producer != NULL )
+ {
+ mlt_service_lock( producer );
mlt_properties_inc_ref( mlt_service_properties( producer ) );
+ mlt_service_unlock( producer );
+ }
// Now we disconnect the producer service from its consumer
mlt_service_disconnect( producer );
{
int i;
mlt_properties frame_properties = mlt_frame_properties( frame );
- mlt_properties filter_properties = mlt_service_properties( this );
+ mlt_properties service_properties = mlt_service_properties( this );
mlt_service_base *base = this->local;
- mlt_position position = mlt_properties_get_position( frame_properties, "_position" );
-
- // Hmm - special case for cuts - apply filters from the parent first
- if ( mlt_properties_get_int( filter_properties, "_cut" ) )
- mlt_service_apply_filters( ( mlt_service )mlt_properties_get_data( filter_properties, "_cut_parent", NULL ), frame, 0 );
+ mlt_position position = mlt_frame_get_position( frame );
+ mlt_position this_in = mlt_properties_get_position( service_properties, "in" );
+ mlt_position this_out = mlt_properties_get_position( service_properties, "out" );
- if ( index == 0 || mlt_properties_get_int( filter_properties, "_filter_private" ) == 0 )
+ if ( index == 0 || mlt_properties_get_int( service_properties, "_filter_private" ) == 0 )
{
// Process the frame with the attached filters
for ( i = 0; i < base->filter_count; i ++ )
{
if ( base->filters[ i ] != NULL )
{
- mlt_properties properties = mlt_filter_properties( base->filters[ i ] );
- mlt_position in = mlt_properties_get_position( properties, "in" );
- mlt_position out = mlt_properties_get_position( properties, "out" );
+ mlt_position in = mlt_filter_get_in( base->filters[ i ] );
+ mlt_position out = mlt_filter_get_out( base->filters[ i ] );
if ( ( in == 0 && out == 0 ) || ( position >= in && ( position <= out || out == 0 ) ) )
{
+ mlt_properties_set_position( frame_properties, "in", in == 0 ? this_in : in );
+ mlt_properties_set_position( frame_properties, "out", out == 0 ? this_out : out );
mlt_filter_process( base->filters[ i ], frame );
- mlt_properties_set_position( frame_properties, "_position", position - in );
mlt_service_apply_filters( mlt_filter_service( base->filters[ i ] ), frame, index + 1 );
- mlt_properties_set_position( frame_properties, "_position", position );
}
}
}
int mlt_service_get_frame( mlt_service this, mlt_frame_ptr frame, int index )
{
- if ( this != NULL )
+ mlt_service_lock( this );
+ if ( this != NULL && this->get_frame != NULL )
{
- int result = this->get_frame( this, frame, index );
+ char uniq[ 20 ];
+ int result = 0;
+ mlt_properties properties = mlt_service_properties( this );
+ mlt_position in = mlt_properties_get_position( properties, "in" );
+ mlt_position out = mlt_properties_get_position( properties, "out" );
+ mlt_properties_inc_ref( properties );
+ mlt_service_unlock( this );
+ result = this->get_frame( this, frame, index );
if ( result == 0 )
+ {
+ properties = mlt_frame_properties( *frame );
+ if ( in >=0 && out > 0 )
+ {
+ mlt_properties_set_position( properties, "in", in );
+ mlt_properties_set_position( properties, "out", out );
+ }
mlt_service_apply_filters( this, *frame, 1 );
+ sprintf( uniq, "gf_%p", this );
+ if ( mlt_properties_get_data( properties, uniq, NULL ) != NULL )
+ fprintf( stderr, "%s is not unique in this frame\n", uniq );
+ mlt_properties_set_data( properties, uniq, this, 0, ( mlt_destructor )mlt_service_close, NULL );
+ }
+ else
+ {
+ fprintf( stderr, "Ugh case\n" );
+ mlt_service_close( this );
+ }
return result;
}
+ mlt_service_unlock( this );
*frame = mlt_frame_init( );
return 0;
}
void mlt_service_close( mlt_service this )
{
+ mlt_service_lock( this );
if ( this != NULL && mlt_properties_dec_ref( mlt_service_properties( this ) ) <= 0 )
{
+ mlt_service_unlock( this );
if ( this->close != NULL )
{
this->close( this->close_object );
mlt_service_close( base->in[ i ] );
this->parent.close = NULL;
free( base->in );
+ pthread_mutex_destroy( &base->mutex );
free( base );
mlt_properties_close( &this->parent );
}
}
+ else
+ {
+ mlt_service_unlock( this );
+ }
}