source: roaraudio/libroarpulse/libroarpulse.c @ 3408:c2995580c30a

Last change on this file since 3408:c2995580c30a was 3408:c2995580c30a, checked in by phi, 10 years ago

added roar_pa_auinfo2sspec()

File size: 3.7 KB
Line 
1//libroarpulse.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
41int roar_codec_pulse2roar (int codec) {
42 return ROAR_CODEC_DEFAULT;
43}
44
45int roar_pa_sspec2auinfo (struct roar_audio_info * info, const pa_sample_spec * ss) {
46 if ( ss == NULL || info == NULL )
47  return -1;
48
49 info->rate     = ss->rate;
50 info->channels = ss->channels;
51
52 switch (ss->format) {
53  case PA_SAMPLE_U8:
54    info->bits  = 8;
55    info->codec = ROAR_CODEC_PCM_U_LE;
56   break;
57  case PA_SAMPLE_ALAW:
58    info->bits  = 8;
59    info->codec = ROAR_CODEC_ALAW;
60   break;
61  case PA_SAMPLE_ULAW:
62    info->bits  = 8;
63    info->codec = ROAR_CODEC_MULAW;
64   break;
65  case PA_SAMPLE_S16LE:
66    info->bits  = 16;
67    info->codec = ROAR_CODEC_PCM_S_LE;
68   break;
69  case PA_SAMPLE_S16BE:
70    info->bits  = 16;
71    info->codec = ROAR_CODEC_PCM_S_BE;
72   break;
73  // invalid and not supported ones follow:
74  case PA_SAMPLE_INVALID:
75  case PA_SAMPLE_MAX:
76  case PA_SAMPLE_FLOAT32LE:
77  case PA_SAMPLE_FLOAT32BE:
78  default:
79    return -1;
80   break;
81 }
82
83 return 0;
84}
85
86int roar_pa_auinfo2sspec (pa_sample_spec * ss, const struct roar_audio_info * info) {
87 if ( ss == NULL || info == NULL )
88  return -1;
89
90 ss->rate       = info->rate;
91 ss->channels   = info->channels;
92
93 switch (info->codec) {
94  case ROAR_CODEC_ALAW:
95    ss->format = PA_SAMPLE_ALAW;
96   break;
97  case ROAR_CODEC_MULAW:
98    ss->format = PA_SAMPLE_ULAW;
99   break;
100  case ROAR_CODEC_PCM_S_LE:
101    if ( info->bits != 16 )
102     return -1;
103    ss->format = PA_SAMPLE_S16LE;
104   break;
105  case ROAR_CODEC_PCM_S_BE:
106    if ( info->bits != 16 )
107     return -1;
108    ss->format = PA_SAMPLE_S16BE;
109   break;
110  case ROAR_CODEC_PCM_U_LE:
111  case ROAR_CODEC_PCM_U_BE:
112  case ROAR_CODEC_PCM_U_PDP:
113    if ( info->bits != 8 )
114     return -1;
115    ss->format = PA_SAMPLE_U8;
116   break;
117  default:
118    return -1;
119   break;
120 }
121
122 return 0;
123}
124
125char * roar_pa_find_server (char * server) {
126 struct roar_x11_connection * x11con;
127
128 if ( server == NULL )
129  server = getenv("PULSE_SERVER");
130
131 if ( server == NULL ) {
132  if ( (x11con = roar_x11_connect(NULL)) != NULL ) {
133   server = roar_x11_get_prop(x11con, "PULSE_SERVER");
134   roar_x11_disconnect(x11con);
135  }
136 }
137
138 return server;
139}
140
141//ll
Note: See TracBrowser for help on using the repository browser.