filename | src/drivers/audio_esd.c |
changeset | 424:421d68e78c46 |
prev | 180:e6dcf9b65658 |
next | 561:533f6b478071 |
author | nkeynes |
date | Sat Oct 13 04:01:02 2007 +0000 (16 years ago) |
permissions | -rw-r--r-- |
last change | Add ability to track the last displayed buffer, and handle expose/resize events appropriately |
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1 /**
2 * $Id: audio_esd.c,v 1.9 2007-10-07 05:42:25 nkeynes Exp $
3 *
4 * The esd (esound) audio 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 <esd.h>
21 #include "aica/audio.h"
22 #include "dream.h"
24 int esd_handle = -1;
25 int esd_sample_size = 1;
27 gboolean audio_esd_set_format( uint32_t rate, uint32_t format )
28 {
29 if( esd_handle != -1 ) {
30 esd_close(esd_handle);
31 }
32 esd_format_t esd_format = 0;
33 esd_sample_size = 1;
34 if( format & AUDIO_FMT_16BIT ) {
35 esd_format |= ESD_BITS16;
36 } else esd_format |= ESD_BITS8;
37 if( format & AUDIO_FMT_STEREO ) {
38 esd_format |= ESD_STEREO;
39 }
40 else esd_format |= ESD_MONO;
42 esd_handle = esd_play_stream( esd_format, rate, "localhost", "lxdream" );
43 if( esd_handle == -1 ) {
44 ERROR( "Unable to open audio output (ESD)" );
45 return FALSE;
46 }
47 return TRUE;
48 }
50 gboolean audio_esd_process_buffer( audio_buffer_t buffer )
51 {
52 if( esd_handle != -1 ) {
53 write( esd_handle, buffer->data, buffer->length );
54 return TRUE;
55 } else {
56 ERROR( "ESD not initialized" );
57 return FALSE;
58 }
59 }
61 struct audio_driver audio_esd_driver = { "esd", audio_esd_set_format, audio_esd_process_buffer };
.