/**

 * $Id: audio_esd.c,v 1.1 2006-01-10 13:56:54 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 <esd.h>

#include "aica/audio.h"

#include "dream.h"

int esd_handle = -1;

int esd_sample_size = 1;

gboolean esd_audio_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;

	esd_sample_size = 1;

    } else esd_format |= ESD_BITS8;

    if( format & AUDIO_FMT_STEREO ) {

	esd_format |= ESD_STEREO;

	esd_sample_size = esd_sample_size << 1 ;

    }

    else esd_format |= ESD_MONO;

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

    return TRUE;

}

gboolean esd_audio_process_buffer( audio_buffer_t buffer )

{

    if( esd_handle != -1 ) {

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

	DEBUG("Wrote buffer" );

    } else {

	ERROR( "ESD not initialized" );

    }

    return TRUE;

}

struct audio_driver esd_audio_driver = { esd_audio_set_format, esd_audio_process_buffer };