X-Git-Url: http://research.m1stereo.tv/gitweb?a=blobdiff_plain;f=src%2Fframework%2Fmlt_service.h;h=b1bad7e981a71d3be4824f126a44a57a0c4a757f;hb=bf3264b9e340ba5c11cbf59835a8af3db94e0cc2;hp=8ad43a8ffefb6affde3b911814f364bd629d8273;hpb=520454d526bdcd58f1ac6ab7532dc2529b822808;p=melted diff --git a/src/framework/mlt_service.h b/src/framework/mlt_service.h index 8ad43a8..b1bad7e 100644 --- a/src/framework/mlt_service.h +++ b/src/framework/mlt_service.h @@ -3,19 +3,19 @@ * Copyright (C) 2003-2004 Ushodaya Enterprises Limited * Author: Charles Yates * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. * - * This program is distributed in the hope that it will be useful, + * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software Foundation, - * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #ifndef _MLT_SERVICE_H_ @@ -23,58 +23,47 @@ #include "mlt_properties.h" -/** State of a service. - - Note that a service may be dormant even though it's fully connected, - providing or consuming. -*/ - -typedef enum -{ - mlt_state_unknown = 0, - mlt_state_dormant = 1, - mlt_state_connected = 2, - mlt_state_providing = 4, - mlt_state_consuming = 8 -} -mlt_service_state; - /** The interface definition for all services. */ struct mlt_service_s { - // We're extending properties here + /* We're extending properties here */ struct mlt_properties_s parent; - // Protected virtual - int ( *accepts_input )( mlt_service this ); - int ( *accepts_output )( mlt_service this ); - int ( *has_input )( mlt_service this ); - int ( *has_output )( mlt_service this ); - int ( *get_frame )( mlt_service this, mlt_frame_ptr frame, int index ); + /* Protected virtual */ + int ( *get_frame )( mlt_service self, mlt_frame_ptr frame, int index ); + mlt_destructor close; + void *close_object; - // Private data - void *private; + /* Private data */ + void *local; void *child; }; /** The public API. */ -extern int mlt_service_init( mlt_service this, void *child ); -extern mlt_properties mlt_service_properties( mlt_service this ); -extern int mlt_service_connect_producer( mlt_service this, mlt_service producer, int index ); -extern mlt_service_state mlt_service_get_state( mlt_service this ); -extern void mlt_service_close( mlt_service this ); +#define MLT_SERVICE_PROPERTIES( service ) ( &( service )->parent ) + +extern int mlt_service_init( mlt_service self, void *child ); +extern void mlt_service_lock( mlt_service self ); +extern void mlt_service_unlock( mlt_service self ); +extern mlt_service_type mlt_service_identify( mlt_service self ); +extern int mlt_service_connect_producer( mlt_service self, mlt_service producer, int index ); +extern int mlt_service_get_frame( mlt_service self, mlt_frame_ptr frame, int index ); +extern mlt_properties mlt_service_properties( mlt_service self ); +extern mlt_service mlt_service_consumer( mlt_service self ); +extern mlt_service mlt_service_producer( mlt_service self ); +extern int mlt_service_attach( mlt_service self, mlt_filter filter ); +extern int mlt_service_detach( mlt_service self, mlt_filter filter ); +extern void mlt_service_apply_filters( mlt_service self, mlt_frame frame, int index ); +extern mlt_filter mlt_service_filter( mlt_service self, int index ); + +extern void mlt_service_close( mlt_service self ); -extern int mlt_service_accepts_input( mlt_service this ); -extern int mlt_service_accepts_output( mlt_service this ); -extern int mlt_service_has_input( mlt_service this ); -extern int mlt_service_has_output( mlt_service this ); -extern int mlt_service_get_frame( mlt_service this, mlt_frame_ptr frame, int index ); -extern int mlt_service_is_active( mlt_service this ); -extern mlt_service mlt_service_get_producer( mlt_service this ); +/* I'm not sure about self one - leaving it out of docs for now (only used in consumer_westley) */ +extern mlt_service mlt_service_get_producer( mlt_service self ); #endif