Search
lxdream.org :: lxdream/src/drivers/audio_esd.c
lxdream 0.9.1
released Jun 29
Download Now
filename src/drivers/audio_esd.c
changeset 66:2ec5b6eb75e5
next73:0bb57e51ac9e
author nkeynes
date Tue Jan 10 13:56:54 2006 +0000 (15 years ago)
permissions -rw-r--r--
last change Go go gadget audio!
Slow, but it works :)
view annotate diff log raw
     1 /**
     2  * $Id: audio_esd.c,v 1.1 2006-01-10 13:56:54 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 <esd.h>
    19 #include "aica/audio.h"
    20 #include "dream.h"
    22 int esd_handle = -1;
    23 int esd_sample_size = 1;
    25 gboolean esd_audio_set_format( uint32_t rate, uint32_t format )
    26 {
    27     if( esd_handle != -1 ) {
    28 	esd_close(esd_handle);
    29     }
    30     esd_format_t esd_format = 0;
    31     esd_sample_size = 1;
    32     if( format & AUDIO_FMT_16BIT ) {
    33 	esd_format |= ESD_BITS16;
    34 	esd_sample_size = 1;
    35     } else esd_format |= ESD_BITS8;
    36     if( format & AUDIO_FMT_STEREO ) {
    37 	esd_format |= ESD_STEREO;
    38 	esd_sample_size = esd_sample_size << 1 ;
    39     }
    40     else esd_format |= ESD_MONO;
    42     esd_handle = esd_play_stream( esd_format, rate, "localhost", "dreamon" );
    43     return TRUE;
    44 }
    46 gboolean esd_audio_process_buffer( audio_buffer_t buffer )
    47 {
    48     if( esd_handle != -1 ) {
    49 	write( esd_handle, buffer->data, buffer->length * esd_sample_size );
    50 	DEBUG("Wrote buffer" );
    51     } else {
    52 	ERROR( "ESD not initialized" );
    53     }
    54     return TRUE;
    55 }
    57 struct audio_driver esd_audio_driver = { esd_audio_set_format, esd_audio_process_buffer };
.