source: roaraudio/libroarpulse/simple.c @ 4748:d7be1c18ccb5

Last change on this file since 4748:d7be1c18ccb5 was 4708:c9d40761088a, checked in by phi, 13 years ago

updated copyright statements

File size: 5.2 KB
Line 
1//simple.c:
2
3/*
4 *      Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2008-2011
5 *  The code (may) include prototypes and comments (and maybe
6 *  other code fragements) from libpulse*. They are mostly copyrighted by:
7 *  Lennart Poettering <poettering@users.sourceforge.net> and
8 *  Pierre Ossman <drzeus@drzeus.cx>
9 *
10 *  This file is part of libroarpulse 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, 51 Franklin Street, Fifth Floor,
26 *  Boston, MA 02110-1301, USA.
27 *
28 *  NOTE for everyone want's to change something and send patches:
29 *  read README and HACKING! There a addition information on
30 *  the license of this document you need to read before you send
31 *  any patches.
32 *
33 *  NOTE for uses of non-GPL (LGPL,...) software using libesd, libartsc
34 *  or libpulse*:
35 *  The libs libroaresd, libroararts and libroarpulse link this libroar
36 *  and are therefore GPL. Because of this it may be illigal to use
37 *  them with any software that uses libesd, libartsc or libpulse*.
38 */
39
40#include <libroarpulse/libroarpulse.h>
41
42/** Create a new connection to the server */
43pa_simple* pa_simple_new(
44    const char *server,                 /**< Server name, or NULL for default */
45    const char *name,                   /**< A descriptive name for this client (application name, ...) */
46    pa_stream_direction_t dir,          /**< Open this stream for recording or playback? */
47    const char *dev,                    /**< Sink (resp. source) name, or NULL for default */
48    const char *stream_name,            /**< A descriptive name for this client (application name, song title, ...) */
49    const pa_sample_spec *ss,           /**< The sample type to use */
50    const pa_channel_map *map,          /**< The channel map to use, or NULL for default */
51    const pa_buffer_attr *attr,         /**< Buffering attributes, or NULL for default */
52    int *error                          /**< A pointer where the error code is stored when the routine returns NULL. It is OK to pass NULL here. */
53    ) {
54 struct roarpulse_simple * s;
55 struct roar_audio_info info;
56 int roar_dir;
57 struct roar_meta meta;
58
59 if ( dir == PA_STREAM_PLAYBACK ) {
60  roar_dir = ROAR_DIR_PLAY;
61 } else if ( dir == PA_STREAM_RECORD ) {
62  roar_dir = ROAR_DIR_RECORD;
63 } else {
64  return NULL;
65 }
66
67 if ( roar_pa_sspec2auinfo(&info, ss) == -1 ) {
68  return NULL;
69 }
70
71 if ( (s = roar_mm_malloc(sizeof(struct roarpulse_simple))) == NULL )
72  return NULL;
73
74 server = roar_pa_find_server((char*)server);
75
76 if ( roar_simple_connect(&(s->con), (char*)server, (char*)name) == -1 ) {
77  roar_mm_free(s);
78  return NULL;
79 }
80
81 if ( roar_vio_simple_new_stream_obj(&(s->vio), &(s->con), &(s->stream),
82                                     info.rate, info.channels,
83                                     info.bits, info.codec, roar_dir) == -1 ) {
84  roar_disconnect(&(s->con));
85  roar_mm_free(s);
86  return NULL;
87 }
88
89 if ( stream_name != NULL && stream_name[0] != 0 ) {
90  meta.value  = (char*)stream_name;
91  meta.key[0] = 0;
92  meta.type   = ROAR_META_TYPE_DESCRIPTION;
93
94  roar_stream_meta_set(&(s->con), &(s->stream), ROAR_META_MODE_SET, &meta);
95 }
96
97 return (pa_simple*) s;
98}
99
100/** Close and free the connection to the server. The connection objects becomes invalid when this is called. */
101void pa_simple_free(pa_simple *s) {
102 struct roarpulse_simple * ss = (struct roarpulse_simple*) s;
103
104 if ( s == NULL )
105  return;
106
107 roar_vio_close(&(ss->vio));
108 roar_disconnect(&(ss->con));
109
110 roar_mm_free(s);
111}
112
113/** Write some data to the server */
114int pa_simple_write(pa_simple *s, const void*data, size_t length, int *error) {
115 struct roarpulse_simple * ss = (struct roarpulse_simple*) s;
116
117 if ( s == NULL )
118  return -1;
119
120 return roar_vio_write(&(ss->vio), (char*) data, length);
121}
122
123/** Wait until all data already written is played by the daemon */
124int pa_simple_drain(pa_simple *s, int *error) {
125// struct roarpulse_simple * ss = (struct roarpulse_simple*) s;
126
127 if ( s == NULL )
128  return -1;
129
130 pa_simple_flush(s, error);
131
132 return -1;
133}
134
135/** Read some data from the server */
136int pa_simple_read(pa_simple *s, void*data, size_t length, int *error) {
137 struct roarpulse_simple * ss = (struct roarpulse_simple*) s;
138
139 if ( s == NULL )
140  return -1;
141
142 return roar_vio_read(&(ss->vio), data, length);
143}
144
145/** Return the playback latency. \since 0.5 */
146pa_usec_t pa_simple_get_latency(pa_simple *s, int *error) {
147 struct roarpulse_simple * ss = (struct roarpulse_simple*) s;
148
149 if ( s == NULL )
150  return -1;
151
152 return -1;
153}
154
155/** Flush the playback buffer. \since 0.5 */
156int pa_simple_flush(pa_simple *s, int *error) {
157 struct roarpulse_simple * ss = (struct roarpulse_simple*) s;
158
159 if ( s == NULL )
160  return -1;
161
162 return roar_vio_sync(&(ss->vio));
163}
164
165//ll
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