/**

  * $Id: audio_esd.c,v 1.9 2007-10-07 05:42:25 nkeynes Exp $

  * 

  * The esd (esound) audio driver

  *

  * Copyright (c) 2005 Nathan Keynes.

  *

  * This program is free software; you can redistribute it and/or modify

  * it under the terms of the GNU General Public License as published by

  * the Free Software Foundation; either version 2 of the License, or

  * (at your option) any later version.

  *

  * This program is distributed in the hope that it will be useful,

  * but WITHOUT ANY WARRANTY; without even the implied warranty of

  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

  * GNU General Public License for more details.

  */

 #include <stdio.h>

 #include <unistd.h>

 #include <esd.h>

 #include "aica/audio.h"

 #include "dream.h"

 int esd_handle = -1;

 int esd_sample_size = 1;

 gboolean audio_esd_set_format( uint32_t rate, uint32_t format )

 {

     if( esd_handle != -1 ) {

 	esd_close(esd_handle);

     }

     esd_format_t esd_format = 0;

     esd_sample_size = 1;

     if( format & AUDIO_FMT_16BIT ) {

 	esd_format |= ESD_BITS16;

     } else esd_format |= ESD_BITS8;

     if( format & AUDIO_FMT_STEREO ) {

 	esd_format |= ESD_STEREO;

     }

     else esd_format |= ESD_MONO;

     esd_handle = esd_play_stream( esd_format, rate, "localhost", "lxdream" );

     if( esd_handle == -1 ) {

 	ERROR( "Unable to open audio output (ESD)" );

 	return FALSE;

     }

     return TRUE;

 }

 gboolean audio_esd_process_buffer( audio_buffer_t buffer )

 {

     if( esd_handle != -1 ) {

 	write( esd_handle, buffer->data, buffer->length );

 	return TRUE;

     } else {

 	ERROR( "ESD not initialized" );

 	return FALSE;

     }

 }

 struct audio_driver audio_esd_driver = { "esd", audio_esd_set_format, audio_esd_process_buffer };