source: roaraudio/libroarpulse/libroarpulse.c

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Last change on this file was 6052:d48765b2475e, checked in by phi, 5 years ago

updated copyright headers

File size: 3.7 KB
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1//libroarpulse.c:
2
3/*
4 *      Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2008-2015
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
42int roar_pa_sspec2auinfo (struct roar_audio_info * info, const pa_sample_spec * ss) {
43 if ( ss == NULL || info == NULL )
44  return -1;
45
46 info->rate     = ss->rate;
47 info->channels = ss->channels;
48
49 switch (ss->format) {
50  case PA_SAMPLE_U8:
51    info->bits  = 8;
52    info->codec = ROAR_CODEC_PCM_U_LE;
53   break;
54  case PA_SAMPLE_ALAW:
55    info->bits  = 8;
56    info->codec = ROAR_CODEC_ALAW;
57   break;
58  case PA_SAMPLE_ULAW:
59    info->bits  = 8;
60    info->codec = ROAR_CODEC_MULAW;
61   break;
62  case PA_SAMPLE_S16LE:
63    info->bits  = 16;
64    info->codec = ROAR_CODEC_PCM_S_LE;
65   break;
66  case PA_SAMPLE_S16BE:
67    info->bits  = 16;
68    info->codec = ROAR_CODEC_PCM_S_BE;
69   break;
70  // invalid and not supported ones follow:
71  case PA_SAMPLE_INVALID:
72  case PA_SAMPLE_MAX:
73  case PA_SAMPLE_FLOAT32LE:
74  case PA_SAMPLE_FLOAT32BE:
75  default:
76    return -1;
77   break;
78 }
79
80 return 0;
81}
82
83int roar_pa_auinfo2sspec (pa_sample_spec * ss, const struct roar_audio_info * info) {
84 if ( ss == NULL || info == NULL )
85  return -1;
86
87 ss->rate       = info->rate;
88 ss->channels   = info->channels;
89
90 switch (info->codec) {
91  case ROAR_CODEC_ALAW:
92    ss->format = PA_SAMPLE_ALAW;
93   break;
94  case ROAR_CODEC_MULAW:
95    ss->format = PA_SAMPLE_ULAW;
96   break;
97  case ROAR_CODEC_PCM_S_LE:
98    if ( info->bits != 16 )
99     return -1;
100    ss->format = PA_SAMPLE_S16LE;
101   break;
102  case ROAR_CODEC_PCM_S_BE:
103    if ( info->bits != 16 )
104     return -1;
105    ss->format = PA_SAMPLE_S16BE;
106   break;
107  case ROAR_CODEC_PCM_U_LE:
108  case ROAR_CODEC_PCM_U_BE:
109  case ROAR_CODEC_PCM_U_PDP:
110    if ( info->bits != 8 )
111     return -1;
112    ss->format = PA_SAMPLE_U8;
113   break;
114  default:
115    return -1;
116   break;
117 }
118
119 return 0;
120}
121
122const char * roar_pa_find_server (const char * server) {
123 struct roar_x11_connection * x11con;
124
125 if ( server == NULL )
126  server = roar_env_get("PULSE_SERVER");
127
128 if ( server == NULL ) {
129  if ( (x11con = roar_x11_connect(NULL)) != NULL ) {
130   server = roar_x11_get_prop(x11con, "PULSE_SERVER");
131   roar_x11_disconnect(x11con);
132  }
133 }
134
135 return server;
136}
137
138//ll
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