source: roaraudio/libroar/vio_stream.c @ 5375:2b4d1e027b2d

Last change on this file since 5375:2b4d1e027b2d was 5289:ddb3677af4d0, checked in by phi, 12 years ago

use support to set mixer ID up at least one API layer

File size: 5.5 KB
Line 
1//vio_stream.c:
2
3/*
4 *      Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2010-2011
5 *
6 *  This file is part of libroar a part of RoarAudio,
7 *  a cross-platform sound system for both, home and professional use.
8 *  See README for details.
9 *
10 *  This file is free software; you can redistribute it and/or modify
11 *  it under the terms of the GNU General Public License version 3
12 *  as published by the Free Software Foundation.
13 *
14 *  libroar is distributed in the hope that it will be useful,
15 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
16 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17 *  GNU General Public License for more details.
18 *
19 *  You should have received a copy of the GNU General Public License
20 *  along with this software; see the file COPYING.  If not, write to
21 *  the Free Software Foundation, 51 Franklin Street, Fifth Floor,
22 *  Boston, MA 02110-1301, USA.
23 *
24 *  NOTE for everyone want's to change something and send patches:
25 *  read README and HACKING! There a addition information on
26 *  the license of this document you need to read before you send
27 *  any patches.
28 *
29 *  NOTE for uses of non-GPL (LGPL,...) software using libesd, libartsc
30 *  or libpulse*:
31 *  The libs libroaresd, libroararts and libroarpulse link this lib
32 *  and are therefore GPL. Because of this it may be illigal to use
33 *  them with any software that uses libesd, libartsc or libpulse*.
34 */
35
36#include "libroar.h"
37
38static ssize_t _vio_stream_read    (struct roar_vio_calls * vio, void *buf, size_t count) {
39 return roar_vio_read(roar_get_connection_vio2(vio->inst), buf, count);
40}
41
42static ssize_t _vio_stream_write   (struct roar_vio_calls * vio, void *buf, size_t count) {
43 return roar_vio_write(roar_get_connection_vio2(vio->inst), buf, count);
44}
45
46static roar_off_t   _vio_stream_lseek   (struct roar_vio_calls * vio, roar_off_t offset, int whence) {
47 return roar_vio_lseek(roar_get_connection_vio2(vio->inst), offset, whence);
48}
49static int     _vio_stream_sync    (struct roar_vio_calls * vio) {
50 return roar_vio_sync(roar_get_connection_vio2(vio->inst));
51}
52static int     _vio_stream_ctl     (struct roar_vio_calls * vio, roar_vio_ctl_t cmd, void * data) {
53 if (vio == NULL) {
54  roar_err_set(ROAR_ERROR_FAULT);
55  return -1;
56 }
57
58 if (cmd == -1) {
59  roar_err_set(ROAR_ERROR_INVAL);
60  return -1;
61 }
62
63 switch (cmd) {
64  case ROAR_VIO_CTL_GET_NAME:
65    if ( data == NULL ) {
66     roar_err_set(ROAR_ERROR_FAULT);
67     return -1;
68    }
69
70    *(char**)data = "stream";
71    return 0;
72   break;
73  case ROAR_VIO_CTL_GET_NEXT:
74    *(struct roar_vio_calls **)data = roar_get_connection_vio2(vio->inst);
75    return 0;
76   break;
77  case ROAR_VIO_CTL_SET_NEXT:
78    roar_err_set(ROAR_ERROR_NOTSUP);
79    return -1;
80   break;
81  case ROAR_VIO_CTL_NONBLOCK:
82    return roar_vio_ctl(roar_get_connection_vio2(vio->inst), ROAR_VIO_CTL_NONBLOCK, data);
83   break;
84 }
85
86 return roar_vio_ctl(roar_get_connection_vio2(vio->inst), cmd, data);
87}
88
89static int     _vio_stream_close   (struct roar_vio_calls * vio) {
90 roar_vio_close(roar_get_connection_vio2(vio->inst));
91 roar_mm_free(vio->inst);
92
93 return 0;
94}
95
96int     roar_vio_simple_stream (struct roar_vio_calls * calls,
97                                uint32_t rate, uint32_t channels, uint32_t bits, uint32_t codec,
98                                const char * server, int dir, const char * name, int mixer) {
99 struct roar_connection * con = NULL;
100 struct roar_stream       stream;
101 int err;
102
103 if ( calls == NULL ) {
104  roar_err_set(ROAR_ERROR_FAULT);
105  return -1;
106 }
107
108 if ( roar_stream_new(&stream, rate, channels, bits, codec) == -1 )
109  return -1;
110
111 con = roar_mm_malloc(sizeof(struct roar_connection));
112 if ( con == NULL )
113  return -1;
114
115 memset(con, 0, sizeof(struct roar_connection));
116
117 if ( roar_simple_connect(con, server, name) == -1 ) {
118  err = roar_error;
119  roar_mm_free(con);
120  roar_error = err;
121  return -1;
122 }
123
124 if ( roar_stream_connect(con, &stream, dir, mixer) == -1 ) {
125  err = roar_error;
126  roar_disconnect(con);
127  roar_mm_free(con);
128  roar_error = err;
129  return -1;
130 }
131
132 if ( roar_stream_exec(con, &stream) == -1 ) {
133  err = roar_error;
134  roar_disconnect(con);
135  roar_mm_free(con);
136  roar_error = err;
137  return -1;
138 }
139
140 roar_vio_clear_calls(calls);
141
142 calls->inst       = con;
143 calls->read       = _vio_stream_read;
144 calls->write      = _vio_stream_write;
145 calls->lseek      = _vio_stream_lseek;
146 calls->sync       = _vio_stream_sync;
147 calls->ctl        = _vio_stream_ctl;
148 calls->close      = _vio_stream_close;
149
150 if ( dir == ROAR_DIR_PLAY ) {
151  roar_vio_shutdown(calls, SHUT_RD);
152 } else if ( dir == ROAR_DIR_MONITOR || dir == ROAR_DIR_RECORD ) {
153  roar_vio_shutdown(calls, SHUT_WR);
154 }
155
156 return 0;
157}
158
159int     roar_vio_simple_new_stream_obj (struct roar_vio_calls * calls,
160                                        struct roar_connection * con,
161                                        struct roar_stream * s,
162                                        uint32_t rate, uint32_t channels, uint32_t bits, uint32_t codec,
163                                        int dir, int mixer) {
164 struct roar_stream stream;
165 int fh;
166
167 ROAR_DBG("roar_vio_simple_new_stream_obj(*) = ?");
168
169 if ( calls == NULL ) {
170  roar_err_set(ROAR_ERROR_FAULT);
171  return -1;
172 }
173
174 if ( s == NULL )
175  s = &stream;
176
177 roar_libroar_nowarn();
178 if ( (fh = roar_simple_new_stream_obj(con, s, rate, channels, bits, codec, dir, mixer)) == -1 ) {
179  roar_libroar_warn();
180  ROAR_DBG("roar_vio_simple_new_stream_obj(*) = -1");
181  return -1;
182 }
183 roar_libroar_warn();
184
185 ROAR_DBG("roar_vio_simple_new_stream_obj(*): fh=%i", fh);
186
187 return roar_vio_open_fh_socket(calls, fh);
188}
189
190//ll
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