source: roaraudio/libroarpulse/simple.c @ 3384:955ae12df263

Last change on this file since 3384:955ae12df263 was 3384:955ae12df263, checked in by phi, 10 years ago

use roar_pa_sspec2auinfo()

File size: 5.1 KB
Line 
1//simple.c:
2
3/*
4 *      Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2008
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, 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 *  NOTE for uses of non-GPL (LGPL,...) software using libesd, libartsc
33 *  or libpulse*:
34 *  The libs libroaresd, libroararts and libroarpulse link this libroar
35 *  and are therefore GPL. Because of this it may be illigal to use
36 *  them with any software that uses libesd, libartsc or libpulse*.
37 */
38
39#include <libroarpulse/libroarpulse.h>
40
41/** Create a new connection to the server */
42pa_simple* pa_simple_new(
43    const char *server,                 /**< Server name, or NULL for default */
44    const char *name,                   /**< A descriptive name for this client (application name, ...) */
45    pa_stream_direction_t dir,          /**< Open this stream for recording or playback? */
46    const char *dev,                    /**< Sink (resp. source) name, or NULL for default */
47    const char *stream_name,            /**< A descriptive name for this client (application name, song title, ...) */
48    const pa_sample_spec *ss,           /**< The sample type to use */
49    const pa_channel_map *map,          /**< The channel map to use, or NULL for default */
50    const pa_buffer_attr *attr,         /**< Buffering attributes, or NULL for default */
51    int *error                          /**< A pointer where the error code is stored when the routine returns NULL. It is OK to pass NULL here. */
52    ) {
53 struct roarpulse_simple * s = malloc(sizeof(struct roarpulse_simple));
54 struct roar_audio_info info;
55 int roar_dir;
56 struct roar_meta meta;
57
58 if ( !s )
59  return NULL;
60
61 if ( dir == PA_STREAM_PLAYBACK ) {
62  roar_dir = ROAR_DIR_PLAY;
63 } else if ( dir == PA_STREAM_RECORD ) {
64  roar_dir = ROAR_DIR_RECORD;
65 } else {
66  free(s);
67  return NULL;
68 }
69
70 if ( roar_pa_sspec2auinfo(&info, ss) == -1 ) {
71  free(s);
72  return NULL;
73 }
74
75 if ( !server )
76  server = getenv("PULSE_SERVER");
77
78 if ( roar_simple_connect(&(s->con), (char*)server, (char*)name) == -1 ) {
79  free(s);
80  return NULL;
81 }
82
83 s->data_fh = roar_simple_new_stream_obj(&(s->con), &(s->stream), info.rate, info.channels,
84                  info.bits, info.codec, roar_dir);
85
86 if ( s->data_fh == -1 ) {
87  roar_disconnect(&(s->con));
88  free(s);
89  return NULL;
90 }
91
92 if ( stream_name && stream_name[0] != 0 ) {
93  meta.value  = (char*)stream_name;
94  meta.key[0] = 0;
95  meta.type   = ROAR_META_TYPE_DESCRIPTION;
96
97  roar_stream_meta_set(&(s->con), &(s->stream), ROAR_META_MODE_SET, &meta);
98 }
99
100 return (pa_simple*) s;
101}
102
103/** Close and free the connection to the server. The connection objects becomes invalid when this is called. */
104void pa_simple_free(pa_simple *s) {
105 struct roarpulse_simple * ss = (struct roarpulse_simple*) s;
106 if ( !s )
107  return;
108
109 close(ss->data_fh);
110 roar_disconnect(&(ss->con));
111
112 free(s);
113}
114
115/** Write some data to the server */
116int pa_simple_write(pa_simple *s, const void*data, size_t length, int *error) {
117 struct roarpulse_simple * ss = (struct roarpulse_simple*) s;
118 if ( !s )
119  return -1;
120
121 return write(ss->data_fh, (char*) data, length);
122}
123
124/** Wait until all data already written is played by the daemon */
125int pa_simple_drain(pa_simple *s, int *error) {
126// struct roarpulse_simple * ss = (struct roarpulse_simple*) s;
127 if ( !s )
128  return -1;
129
130 pa_simple_flush(s, NULL);
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 if ( !s )
139  return -1;
140
141 return read(ss->data_fh, data, length);
142}
143
144/** Return the playback latency. \since 0.5 */
145pa_usec_t pa_simple_get_latency(pa_simple *s, int *error) {
146 struct roarpulse_simple * ss = (struct roarpulse_simple*) s;
147 if ( !s )
148  return -1;
149
150 return -1;
151}
152
153/** Flush the playback buffer. \since 0.5 */
154int pa_simple_flush(pa_simple *s, int *error) {
155 struct roarpulse_simple * ss = (struct roarpulse_simple*) s;
156 if ( !s )
157  return -1;
158
159#ifdef ROAR_FDATASYNC
160 return ROAR_FDATASYNC(ss->data_fh);
161#else
162 return 0;
163#endif
164}
165
166//ll
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