lxdream 0.9.1| filename | src/drivers/audio_pulse.c |
| changeset | 1024:c67f2d61ab97 |
| prev | 736:a02d1475ccfd |
| author | nkeynes |
| date | Tue Feb 28 18:22:52 2012 +1000 (12 years ago) |
| permissions | -rw-r--r-- |
| last change | Add a GL-only video driver for android usage (since the Java code is responsible for creating the context) |
| view | annotate | diff | log | raw |
1 /**
2 * $Id$
3 *
4 * The pulseaudio sound driver
5 *
6 * Copyright (c) 2005 Nathan Keynes.
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 */
18 #include <stdio.h>
19 #include <unistd.h>
20 #include <pulse/simple.h>
21 #include "aica/audio.h"
22 #include "lxdream.h"
24 static pa_simple *pulse_server = NULL;
26 static gboolean audio_pulse_init( )
27 {
28 int rate = DEFAULT_SAMPLE_RATE;
29 int format = DEFAULT_SAMPLE_FORMAT;
30 pa_sample_spec ss;
32 if( pulse_server != NULL ) {
33 pa_simple_free(pulse_server);
34 }
35 ss.rate = rate;
37 if( format & AUDIO_FMT_16BIT ) {
38 ss.format = PA_SAMPLE_S16NE;
39 } else {
40 ss.format = PA_SAMPLE_U8;
41 }
43 if( format & AUDIO_FMT_STEREO ) {
44 ss.channels = 2;
45 } else {
46 ss.channels = 1;
47 }
49 pulse_server = pa_simple_new(NULL, APP_NAME, PA_STREAM_PLAYBACK,
50 NULL, "Audio", &ss, NULL, NULL, NULL);
51 if( pulse_server == NULL ) {
52 ERROR( "Unable to open audio output (pulseaudio)" );
53 return FALSE;
54 }
55 return TRUE;
56 }
58 static gboolean audio_pulse_process_buffer( audio_buffer_t buffer )
59 {
60 if( pulse_server != NULL ) {
61 int error;
62 pa_simple_write( pulse_server, buffer->data, buffer->length, &error );
63 return TRUE;
64 } else {
65 ERROR( "Pulseaudio not initialized" );
66 return FALSE;
67 }
68 }
70 static gboolean audio_pulse_shutdown()
71 {
72 pa_simple_free(pulse_server);
73 pulse_server = NULL;
74 return TRUE;
75 }
77 static struct audio_driver audio_pulse_driver = {
78 "pulse",
79 N_("PulseAudio sound server driver"),
80 10,
81 DEFAULT_SAMPLE_RATE,
82 DEFAULT_SAMPLE_FORMAT,
83 audio_pulse_init,
84 NULL,
85 audio_pulse_process_buffer,
86 NULL,
87 audio_pulse_shutdown};
89 AUDIO_DRIVER( "pulse", audio_pulse_driver );
.