text: /*****************************************************************************
   * asa: portable digital subtitle renderer
   *****************************************************************************
   * Copyright (C) 2007  David Lamparter
   *
   * 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 program 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.
   *
   * 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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
   ****************************************************************************/
  
  #ifndef _CSRILIB_H
  #define _CSRILIB_H
  
  #ifdef HAVE_CONFIG_H
  #include "acconf.h"
  #endif
  
  #include "visibility.h"
  
  #define CSRIAPI export
  
  #include <csri/csri.h>
  #include <csri/stream.h>
  #include "csrilib_os.h"
  
  struct csri_wrap_rend {
  	struct csri_wrap_rend *next;
  
  	csri_rend *rend;
  	csri_inst *(*open_file)(csri_rend *renderer,
  		const char *filename, struct csri_openflag *flags);
  	csri_inst *(*open_mem)(csri_rend *renderer,
  		const void *data, size_t length,
  		struct csri_openflag *flags);
  	void (*close)(csri_inst *inst);
  	int (*request_fmt)(csri_inst *inst, const struct csri_fmt *fmt);
  	void (*render)(csri_inst *inst, struct csri_frame *frame,
  		double time);
  	void *(*query_ext)(csri_rend *rend, csri_ext_id extname);
  	struct csri_stream_ext stream_ass, stream_text;
  	csri_inst *(*init_stream_ass)(csri_rend *renderer,
  		const void *header, size_t headerlen,
  		struct csri_openflag *flags);
  	csri_inst *(*init_stream_text)(csri_rend *renderer,
  		const void *header, size_t headerlen,
  		struct csri_openflag *flags);
  
  	struct csri_info *info;
  	struct csrilib_os os;
  };
  
  struct csri_wrap_inst {
  	struct csri_wrap_inst *next;
  
  	csri_inst *inst;
  	struct csri_wrap_rend *wrend;
  	void (*close)(csri_inst *inst);
  	int (*request_fmt)(csri_inst *inst, const struct csri_fmt *fmt);
  	void (*render)(csri_inst *inst, struct csri_frame *frame,
  		double time);
  };
  
  extern struct csri_wrap_rend *wraprends;
  
  extern struct csri_wrap_rend *csrilib_rend_lookup(csri_rend *rend);
  extern void csrilib_rend_initadd(struct csri_wrap_rend *wrend);
  
  extern struct csri_wrap_inst *csrilib_inst_lookup(csri_inst *inst);
  extern csri_inst *csrilib_inst_initadd(struct csri_wrap_rend *wrend,
  	csri_inst *inst);
  extern void csrilib_inst_remove(struct csri_wrap_inst *winst);
  
  extern void csrilib_os_init();
  
  #endif /*_CSRILIB_H */
  