source: roaraudio/libroarsndio/stream.c @ 1576:76218233e446

Last change on this file since 1576:76218233e446 was 1573:7c378b33f20f, checked in by phi, 15 years ago

use connection based simple API, not stream based simple API

File size: 2.3 KB
Line 
1//stream.c:
2
3/*
4 *      Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2009
5 *  The code (may) include prototypes and comments (and maybe
6 *  other code fragements) from EsounD.
7 *  They are mostly copyrighted by Eric B. Mitchell (aka 'Ricdude)
8 *  <ericmit@ix.netcom.com>. For more information see AUTHORS.esd.
9 *
10 *  This file is part of libroaresd a part of RoarAudio,
11 *  a cross-platform sound system for both, home and professional use.
12 *  See README for details.
13 *
14 *  This file is free software; you can redistribute it and/or modify
15 *  it under the terms of the GNU General Public License version 3
16 *  as published by the Free Software Foundation.
17 *
18 *  RoarAudio is distributed in the hope that it will be useful,
19 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
20 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
21 *  GNU General Public License for more details.
22 *
23 *  You should have received a copy of the GNU General Public License
24 *  along with this software; see the file COPYING.  If not, write to
25 *  the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
26 *
27 *  NOTE for everyone want's to change something and send patches:
28 *  read README and HACKING! There a addition information on
29 *  the license of this document you need to read before you send
30 *  any patches.
31 */
32
33#define ROAR_USE_OWN_SNDIO_HDL
34#include "libroarsndio.h"
35
36#define _i(x) (hdl->info.x)
37int    sio_start  (struct sio_hdl * hdl) {
38 if ( hdl == NULL )
39  return 0;
40
41 if ( hdl->fh != -1 )
42  return 0;
43
44 if ( (hdl->fh = roar_simple_new_stream_obj(&(hdl->con), &(hdl->stream), _i(rate), _i(channels), _i(bits), _i(codec), ROAR_DIR_PLAY)) == -1 )
45  return 0;
46
47 return 1;
48}
49#undef _i
50
51int    sio_stop   (struct sio_hdl * hdl) {
52
53 if ( hdl == NULL )
54  return 0;
55
56 if ( hdl->fh == -1 )
57  return 0;
58
59 close(hdl->fh);
60
61 hdl->fh = -1;
62
63 return 1;
64}
65
66size_t sio_read   (struct sio_hdl * hdl, void * addr, size_t nbytes) {
67 ssize_t ret;
68
69 if ( hdl == NULL )
70  return 0;
71
72 if ( hdl->fh == -1 )
73  return 0;
74
75 if ( (ret = read(hdl->fh, addr, nbytes)) < 0 )
76  return 0;
77
78 return ret;
79}
80size_t sio_write  (struct sio_hdl * hdl, void * addr, size_t nbytes) {
81 ssize_t ret;
82
83 if ( hdl == NULL )
84  return 0;
85
86 if ( hdl->fh == -1 )
87  return 0;
88
89 if ( (ret = write(hdl->fh, addr, nbytes)) < 0 )
90  return 0;
91
92 return ret;
93}
94
95//ll
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