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lxdream.org :: lxdream/src/drivers/audio_esd.c
lxdream 0.9.1
released Jun 29
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filename src/drivers/audio_esd.c
changeset 180:e6dcf9b65658
prev111:230243c2b520
next424:421d68e78c46
author nkeynes
date Sun Jul 02 04:59:00 2006 +0000 (13 years ago)
permissions -rw-r--r--
last change Merge changes made on the MILESTONE1 branch back into head (mostly
release touchups)
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     1 /**
     2  * $Id: audio_esd.c,v 1.8 2006-07-02 04:59:00 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 audio_esd_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     } else esd_format |= ESD_BITS8;
    35     if( format & AUDIO_FMT_STEREO ) {
    36 	esd_format |= ESD_STEREO;
    37     }
    38     else esd_format |= ESD_MONO;
    40     esd_handle = esd_play_stream( esd_format, rate, "localhost", "lxdream" );
    41     if( esd_handle == -1 ) {
    42 	ERROR( "Unable to open audio output (ESD)" );
    43 	return FALSE;
    44     }
    45     return TRUE;
    46 }
    48 gboolean audio_esd_process_buffer( audio_buffer_t buffer )
    49 {
    50     if( esd_handle != -1 ) {
    51 	write( esd_handle, buffer->data, buffer->length );
    52 	return TRUE;
    53     } else {
    54 	ERROR( "ESD not initialized" );
    55 	return FALSE;
    56     }
    57 }
    59 struct audio_driver audio_esd_driver = { "esd", audio_esd_set_format, audio_esd_process_buffer };
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