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 | |
---|
38 | static 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 | |
---|
42 | static 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 | |
---|
46 | static 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 | } |
---|
49 | static int _vio_stream_sync (struct roar_vio_calls * vio) { |
---|
50 | return roar_vio_sync(roar_get_connection_vio2(vio->inst)); |
---|
51 | } |
---|
52 | static 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 | |
---|
89 | static 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 | |
---|
96 | int roar_vio_simple_stream (struct roar_vio_calls * calls, int rate, int channels, int bits, int codec, |
---|
97 | const char * server, int dir, const char * name) { |
---|
98 | struct roar_connection * con = NULL; |
---|
99 | struct roar_stream stream; |
---|
100 | int err; |
---|
101 | |
---|
102 | if ( calls == NULL ) { |
---|
103 | roar_err_set(ROAR_ERROR_FAULT); |
---|
104 | return -1; |
---|
105 | } |
---|
106 | |
---|
107 | if ( roar_stream_new(&stream, rate, channels, bits, codec) == -1 ) |
---|
108 | return -1; |
---|
109 | |
---|
110 | con = roar_mm_malloc(sizeof(struct roar_connection)); |
---|
111 | if ( con == NULL ) |
---|
112 | return -1; |
---|
113 | |
---|
114 | memset(con, 0, sizeof(struct roar_connection)); |
---|
115 | |
---|
116 | if ( roar_simple_connect(con, server, name) == -1 ) { |
---|
117 | err = roar_error; |
---|
118 | roar_mm_free(con); |
---|
119 | roar_error = err; |
---|
120 | return -1; |
---|
121 | } |
---|
122 | |
---|
123 | if ( roar_stream_connect(con, &stream, dir, -1) == -1 ) { |
---|
124 | err = roar_error; |
---|
125 | roar_disconnect(con); |
---|
126 | roar_mm_free(con); |
---|
127 | roar_error = err; |
---|
128 | return -1; |
---|
129 | } |
---|
130 | |
---|
131 | if ( roar_stream_exec(con, &stream) == -1 ) { |
---|
132 | err = roar_error; |
---|
133 | roar_disconnect(con); |
---|
134 | roar_mm_free(con); |
---|
135 | roar_error = err; |
---|
136 | return -1; |
---|
137 | } |
---|
138 | |
---|
139 | roar_vio_clear_calls(calls); |
---|
140 | |
---|
141 | calls->inst = con; |
---|
142 | calls->read = _vio_stream_read; |
---|
143 | calls->write = _vio_stream_write; |
---|
144 | calls->lseek = _vio_stream_lseek; |
---|
145 | calls->sync = _vio_stream_sync; |
---|
146 | calls->ctl = _vio_stream_ctl; |
---|
147 | calls->close = _vio_stream_close; |
---|
148 | |
---|
149 | if ( dir == ROAR_DIR_PLAY ) { |
---|
150 | roar_vio_shutdown(calls, SHUT_RD); |
---|
151 | } else if ( dir == ROAR_DIR_MONITOR || dir == ROAR_DIR_RECORD ) { |
---|
152 | roar_vio_shutdown(calls, SHUT_WR); |
---|
153 | } |
---|
154 | |
---|
155 | return 0; |
---|
156 | } |
---|
157 | |
---|
158 | int roar_vio_simple_new_stream_obj (struct roar_vio_calls * calls, |
---|
159 | struct roar_connection * con, |
---|
160 | struct roar_stream * s, |
---|
161 | int rate, int channels, int bits, int codec, int dir) { |
---|
162 | struct roar_stream stream; |
---|
163 | int fh; |
---|
164 | |
---|
165 | ROAR_DBG("roar_vio_simple_new_stream_obj(*) = ?"); |
---|
166 | |
---|
167 | if ( calls == NULL ) { |
---|
168 | roar_err_set(ROAR_ERROR_FAULT); |
---|
169 | return -1; |
---|
170 | } |
---|
171 | |
---|
172 | if ( s == NULL ) |
---|
173 | s = &stream; |
---|
174 | |
---|
175 | roar_libroar_nowarn(); |
---|
176 | if ( (fh = roar_simple_new_stream_obj(con, s, rate, channels, bits, codec, dir)) == -1 ) { |
---|
177 | roar_libroar_warn(); |
---|
178 | ROAR_DBG("roar_vio_simple_new_stream_obj(*) = -1"); |
---|
179 | return -1; |
---|
180 | } |
---|
181 | roar_libroar_warn(); |
---|
182 | |
---|
183 | ROAR_DBG("roar_vio_simple_new_stream_obj(*): fh=%i", fh); |
---|
184 | |
---|
185 | return roar_vio_open_fh_socket(calls, fh); |
---|
186 | } |
---|
187 | |
---|
188 | //ll |
---|