mlt_multitrack mlt_multitrack_init( )
{
// Allocate the multitrack object
- mlt_multitrack this = calloc( sizeof( struct mlt_multitrack_s ), 1 );
+ mlt_multitrack self = calloc( sizeof( struct mlt_multitrack_s ), 1 );
- if ( this != NULL )
+ if ( self != NULL )
{
- mlt_producer producer = &this->parent;
- if ( mlt_producer_init( producer, this ) == 0 )
+ mlt_producer producer = &self->parent;
+ if ( mlt_producer_init( producer, self ) == 0 )
{
- mlt_properties properties = MLT_MULTITRACK_PROPERTIES( this );
+ mlt_properties properties = MLT_MULTITRACK_PROPERTIES( self );
producer->get_frame = producer_get_frame;
- mlt_properties_set_data( properties, "multitrack", this, 0, NULL, NULL );
+ mlt_properties_set_data( properties, "multitrack", self, 0, NULL, NULL );
mlt_properties_set( properties, "log_id", "multitrack" );
mlt_properties_set( properties, "resource", "<multitrack>" );
mlt_properties_set_int( properties, "in", 0 );
}
else
{
- free( this );
- this = NULL;
+ free( self );
+ self = NULL;
}
}
- return this;
+ return self;
}
/** Get the producer associated to this multitrack.
*
* \public \memberof mlt_multitrack_s
- * \param this a multitrack
+ * \param self a multitrack
* \return the producer object
* \see MLT_MULTITRACK_PRODUCER
*/
-mlt_producer mlt_multitrack_producer( mlt_multitrack this )
+mlt_producer mlt_multitrack_producer( mlt_multitrack self )
{
- return this != NULL ? &this->parent : NULL;
+ return self != NULL ? &self->parent : NULL;
}
/** Get the service associated this multitrack.
*
* \public \memberof mlt_multitrack_s
- * \param this a multitrack
+ * \param self a multitrack
* \return the service object
* \see MLT_MULTITRACK_SERVICE
*/
-mlt_service mlt_multitrack_service( mlt_multitrack this )
+mlt_service mlt_multitrack_service( mlt_multitrack self )
{
- return MLT_MULTITRACK_SERVICE( this );
+ return MLT_MULTITRACK_SERVICE( self );
}
/** Get the properties associated this multitrack.
*
* \public \memberof mlt_multitrack_s
- * \param this a multitrack
+ * \param self a multitrack
* \return the multitrack's property list
* \see MLT_MULTITRACK_PROPERTIES
*/
-mlt_properties mlt_multitrack_properties( mlt_multitrack this )
+mlt_properties mlt_multitrack_properties( mlt_multitrack self )
{
- return MLT_MULTITRACK_PROPERTIES( this );
+ return MLT_MULTITRACK_PROPERTIES( self );
}
/** Initialize position related information.
*
* \public \memberof mlt_multitrack_s
- * \param this a multitrack
+ * \param self a multitrack
*/
-void mlt_multitrack_refresh( mlt_multitrack this )
+void mlt_multitrack_refresh( mlt_multitrack self )
{
int i = 0;
// Obtain the properties of this multitrack
- mlt_properties properties = MLT_MULTITRACK_PROPERTIES( this );
+ mlt_properties properties = MLT_MULTITRACK_PROPERTIES( self );
// We need to ensure that the multitrack reports the longest track as its length
mlt_position length = 0;
// Obtain stats on all connected services
- for ( i = 0; i < this->count; i ++ )
+ for ( i = 0; i < self->count; i ++ )
{
// Get the producer from this index
- mlt_track track = this->list[ i ];
+ mlt_track track = self->list[ i ];
mlt_producer producer = track->producer;
// If it's allocated then, update our stats
if ( producer != NULL )
{
// If we have more than 1 track, we must be in continue mode
- if ( this->count > 1 )
+ if ( self->count > 1 )
mlt_properties_set( MLT_PRODUCER_PROPERTIES( producer ), "eof", "continue" );
// Determine the longest length
*
* \private \memberof mlt_multitrack_s
* \param producer a producer
- * \param this a multitrack
+ * \param self a multitrack
*/
-static void mlt_multitrack_listener( mlt_producer producer, mlt_multitrack this )
+static void mlt_multitrack_listener( mlt_producer producer, mlt_multitrack self )
{
- mlt_multitrack_refresh( this );
+ mlt_multitrack_refresh( self );
}
/** Connect a producer to a given track.
* of playlist in clip point determination below.
*
* \public \memberof mlt_multitrack_s
- * \param this a multitrack
+ * \param self a multitrack
* \param producer the producer to connect to the multitrack producer
* \param track the 0-based index of the track on which to connect the multitrack
* \return true on error
*/
-int mlt_multitrack_connect( mlt_multitrack this, mlt_producer producer, int track )
+int mlt_multitrack_connect( mlt_multitrack self, mlt_producer producer, int track )
{
// Connect to the producer to ourselves at the specified track
- int result = mlt_service_connect_producer( MLT_MULTITRACK_SERVICE( this ), MLT_PRODUCER_SERVICE( producer ), track );
+ int result = mlt_service_connect_producer( MLT_MULTITRACK_SERVICE( self ), MLT_PRODUCER_SERVICE( producer ), track );
if ( result == 0 )
{
// Resize the producer list if need be
- if ( track >= this->size )
+ if ( track >= self->size )
{
int i;
- this->list = realloc( this->list, ( track + 10 ) * sizeof( mlt_track ) );
- for ( i = this->size; i < track + 10; i ++ )
- this->list[ i ] = NULL;
- this->size = track + 10;
+ self->list = realloc( self->list, ( track + 10 ) * sizeof( mlt_track ) );
+ for ( i = self->size; i < track + 10; i ++ )
+ self->list[ i ] = NULL;
+ self->size = track + 10;
}
- if ( this->list[ track ] != NULL )
+ if ( self->list[ track ] != NULL )
{
- mlt_event_close( this->list[ track ]->event );
- mlt_producer_close( this->list[ track ]->producer );
+ mlt_event_close( self->list[ track ]->event );
+ mlt_producer_close( self->list[ track ]->producer );
}
else
{
- this->list[ track ] = malloc( sizeof( struct mlt_track_s ) );
+ self->list[ track ] = malloc( sizeof( struct mlt_track_s ) );
}
// Assign the track in our list here
- this->list[ track ]->producer = producer;
- this->list[ track ]->event = mlt_events_listen( MLT_PRODUCER_PROPERTIES( producer ), this,
+ self->list[ track ]->producer = producer;
+ self->list[ track ]->event = mlt_events_listen( MLT_PRODUCER_PROPERTIES( producer ), self,
"producer-changed", ( mlt_listener )mlt_multitrack_listener );
mlt_properties_inc_ref( MLT_PRODUCER_PROPERTIES( producer ) );
- mlt_event_inc_ref( this->list[ track ]->event );
+ mlt_event_inc_ref( self->list[ track ]->event );
// Increment the track count if need be
- if ( track >= this->count )
- this->count = track + 1;
+ if ( track >= self->count )
+ self->count = track + 1;
// Refresh our stats
- mlt_multitrack_refresh( this );
+ mlt_multitrack_refresh( self );
}
return result;
/** Get the number of tracks.
*
* \public \memberof mlt_multitrack_s
- * \param this a multitrack
+ * \param self a multitrack
* \return the number of tracks
*/
-int mlt_multitrack_count( mlt_multitrack this )
+int mlt_multitrack_count( mlt_multitrack self )
{
- return this->count;
+ return self->count;
}
/** Get an individual track as a producer.
*
* \public \memberof mlt_multitrack_s
- * \param this a multitrack
+ * \param self a multitrack
* \param track the 0-based index of the producer to get
* \return the producer or NULL if not valid
*/
-mlt_producer mlt_multitrack_track( mlt_multitrack this, int track )
+mlt_producer mlt_multitrack_track( mlt_multitrack self, int track )
{
mlt_producer producer = NULL;
- if ( this->list != NULL && track < this->count )
- producer = this->list[ track ]->producer;
+ if ( self->list != NULL && track < self->count )
+ producer = self->list[ track ]->producer;
return producer;
}
* </pre>
*
* \public \memberof mlt_multitrack_s
- * \param this a multitrack
+ * \param self a multitrack
* \param whence from where to extract
* \param index the 0-based index of which clip to extract
* \return the position of clip \p index relative to \p whence
*/
-mlt_position mlt_multitrack_clip( mlt_multitrack this, mlt_whence whence, int index )
+mlt_position mlt_multitrack_clip( mlt_multitrack self, mlt_whence whence, int index )
{
mlt_position position = 0;
int i = 0;
mlt_position *map = malloc( 1000 * sizeof( mlt_position ) );
int count = 0;
- for ( i = 0; i < this->count; i ++ )
+ for ( i = 0; i < self->count; i ++ )
{
// Get the producer for this track
- mlt_producer producer = this->list[ i ]->producer;
+ mlt_producer producer = self->list[ i ]->producer;
// If it's assigned and not a hidden track
if ( producer != NULL )
break;
case mlt_whence_relative_current:
- position = mlt_producer_position( MLT_MULTITRACK_PRODUCER( this ) );
+ position = mlt_producer_position( MLT_MULTITRACK_PRODUCER( self ) );
for ( i = 0; i < count - 2; i ++ )
if ( position >= map[ i ] && position < map[ i + 1 ] )
break;
static int producer_get_frame( mlt_producer parent, mlt_frame_ptr frame, int index )
{
// Get the mutiltrack object
- mlt_multitrack this = parent->child;
+ mlt_multitrack self = parent->child;
// Check if we have a track for this index
- if ( index < this->count && this->list[ index ] != NULL )
+ if ( index < self->count && self->list[ index ] != NULL )
{
// Get the producer for this track
- mlt_producer producer = this->list[ index ]->producer;
+ mlt_producer producer = self->list[ index ]->producer;
// Get the track hide property
int hide = mlt_properties_get_int( MLT_PRODUCER_PROPERTIES( mlt_producer_cut_parent( producer ) ), "hide" );
mlt_frame_set_position( *frame, mlt_producer_position( parent ) );
// Move on to the next frame
- if ( index >= this->count )
+ if ( index >= self->count )
{
// Let tractor know if we've reached the end
mlt_properties_set_int( MLT_FRAME_PROPERTIES( *frame ), "last_track", 1 );
/** Close this instance and free its resources.
*
* \public \memberof mlt_multitrack_s
- * \param this a multitrack
+ * \param self a multitrack
*/
-void mlt_multitrack_close( mlt_multitrack this )
+void mlt_multitrack_close( mlt_multitrack self )
{
- if ( this != NULL && mlt_properties_dec_ref( MLT_MULTITRACK_PROPERTIES( this ) ) <= 0 )
+ if ( self != NULL && mlt_properties_dec_ref( MLT_MULTITRACK_PROPERTIES( self ) ) <= 0 )
{
int i = 0;
- for ( i = 0; i < this->count; i ++ )
+ for ( i = 0; i < self->count; i ++ )
{
- if ( this->list[ i ] != NULL )
+ if ( self->list[ i ] != NULL )
{
- mlt_event_close( this->list[ i ]->event );
- mlt_producer_close( this->list[ i ]->producer );
- free( this->list[ i ] );
+ mlt_event_close( self->list[ i ]->event );
+ mlt_producer_close( self->list[ i ]->producer );
+ free( self->list[ i ] );
}
}
// Close the producer
- this->parent.close = NULL;
- mlt_producer_close( &this->parent );
+ self->parent.close = NULL;
+ mlt_producer_close( &self->parent );
// Free the list
- free( this->list );
+ free( self->list );
// Free the object
- free( this );
+ free( self );
}
}
projects / mlt / blobdiff