//vio.h: /* * Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2008, 2009 * * This file is part of libroar a part of RoarAudio, * a cross-platform sound system for both, home and professional use. * See README for details. * * This file is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 3 * as published by the Free Software Foundation. * * libroar 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 software; see the file COPYING. If not, write to * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. * * NOTE for everyone want's to change something and send patches: * read README and HACKING! There a addition information on * the license of this document you need to read before you send * any patches. * * NOTE for uses of non-GPL (LGPL,...) software using libesd, libartsc * or libpulse*: * The libs libroaresd, libroararts and libroarpulse link this lib * and are therefore GPL. Because of this it may be illigal to use * them with any software that uses libesd, libartsc or libpulse*. */ #ifndef _LIBROARVIO_H_ #define _LIBROARVIO_H_ #include "libroar.h" struct roar_connection; // sys io: struct roar_vio_calls { void * inst; /* ssize_t (*read) (int fd, void *buf, size_t count, void * inst); ssize_t (*write)(int fd, void *buf, size_t count, void * inst); off_t (*lseek)(int fildes, off_t offset, int whence, void * inst); */ ssize_t (*read )(struct roar_vio_calls * vio, void *buf, size_t count); ssize_t (*write )(struct roar_vio_calls * vio, void *buf, size_t count); off_t (*lseek )(struct roar_vio_calls * vio, off_t offset, int whence); int (*nonblock)(struct roar_vio_calls * vio, int state); int (*sync )(struct roar_vio_calls * vio); int (*ctl )(struct roar_vio_calls * vio, int cmd, void * data); int (*close )(struct roar_vio_calls * vio); }; int roar_vio_init_calls (struct roar_vio_calls * calls); int roar_vio_set_inst (struct roar_vio_calls * vio, void * inst); int roar_vio_set_fh (struct roar_vio_calls * vio, int fh); int roar_vio_get_fh (struct roar_vio_calls * vio); ssize_t roar_vio_read (struct roar_vio_calls * vio, void *buf, size_t count); ssize_t roar_vio_write (struct roar_vio_calls * vio, void *buf, size_t count); off_t roar_vio_lseek (struct roar_vio_calls * vio, off_t offset, int whence); int roar_vio_nonblock(struct roar_vio_calls * vio, int state); int roar_vio_sync (struct roar_vio_calls * vio); int roar_vio_ctl (struct roar_vio_calls * vio, int cmd, void * data); int roar_vio_close (struct roar_vio_calls * vio); // converters: int roar_vio_open_file (struct roar_vio_calls * calls, char * filename, int flags, mode_t mode); int roar_vio_open_fh (struct roar_vio_calls * calls, int fh); int roar_vio_open_fh_socket(struct roar_vio_calls * calls, int fh); int roar_vio_open_socket (struct roar_vio_calls * calls, char * host, int port); int roar_vio_open_socket_listen(struct roar_vio_calls * calls, int type, char * host, int port); int roar_vio_simple_stream (struct roar_vio_calls * calls, int rate, int channels, int bits, int codec, char * server, int dir, char * name); int roar_vio_simple_new_stream_obj (struct roar_vio_calls * calls, struct roar_connection * con, struct roar_stream * s, int rate, int channels, int bits, int codec, int dir); // possible VIOs: // basic ssize_t roar_vio_basic_read (struct roar_vio_calls * vio, void *buf, size_t count); ssize_t roar_vio_basic_write (struct roar_vio_calls * vio, void *buf, size_t count); off_t roar_vio_basic_lseek (struct roar_vio_calls * vio, off_t offset, int whence); int roar_vio_basic_nonblock(struct roar_vio_calls * vio, int state); int roar_vio_basic_sync (struct roar_vio_calls * vio); int roar_vio_basic_ctl (struct roar_vio_calls * vio, int cmd, void * data); int roar_vio_basic_close (struct roar_vio_calls * vio); #ifdef ROAR_TARGET_WIN32 ssize_t roar_vio_winsock_read (struct roar_vio_calls * vio, void *buf, size_t count); ssize_t roar_vio_winsock_write (struct roar_vio_calls * vio, void *buf, size_t count); int roar_vio_winsock_nonblock(struct roar_vio_calls * vio, int state); int roar_vio_winsock_sync (struct roar_vio_calls * vio); int roar_vio_winsock_ctl (struct roar_vio_calls * vio, int cmd, void * data); int roar_vio_winsock_close (struct roar_vio_calls * vio); #endif // null // this is a read and write in one! ssize_t roar_vio_null_rw (struct roar_vio_calls * vio, void *buf, size_t count); int roar_vio_null_sync (struct roar_vio_calls * vio); // pass int roar_vio_open_pass (struct roar_vio_calls * calls, struct roar_vio_calls * dst); ssize_t roar_vio_pass_read (struct roar_vio_calls * vio, void *buf, size_t count); ssize_t roar_vio_pass_write (struct roar_vio_calls * vio, void *buf, size_t count); off_t roar_vio_pass_lseek (struct roar_vio_calls * vio, off_t offset, int whence); int roar_vio_pass_nonblock(struct roar_vio_calls * vio, int state); int roar_vio_pass_sync (struct roar_vio_calls * vio); int roar_vio_pass_ctl (struct roar_vio_calls * vio, int cmd, void * data); int roar_vio_pass_close (struct roar_vio_calls * vio); // re-read/write int roar_vio_open_re (struct roar_vio_calls * calls, struct roar_vio_calls * dst); ssize_t roar_vio_re_read (struct roar_vio_calls * vio, void *buf, size_t count); ssize_t roar_vio_re_write(struct roar_vio_calls * vio, void *buf, size_t count); off_t roar_vio_re_lseek(struct roar_vio_calls * vio, off_t offset, int whence); #endif //ll