/**

  * $Id: audio_pulse.c 661 2008-02-26 01:10:48Z bhaal22 $

  * 

  * The pulseaudio sound 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 <pulse/simple.h>

 #include "aica/audio.h"

 #include "lxdream.h"

 static pa_simple *pulse_server = NULL;

 gboolean audio_pulse_init()

 {

   return TRUE;

 }

 gboolean audio_pulse_set_format( uint32_t rate, uint32_t format )

 {

     pa_sample_spec ss;

     if( pulse_server != NULL ) {

         pa_simple_free(pulse_server);

     }

     ss.rate = rate;

     if( format & AUDIO_FMT_16BIT ) {

         ss.format = PA_SAMPLE_S16NE;

     } else {

         ss.format = PA_SAMPLE_U8;

     }

     if( format & AUDIO_FMT_STEREO ) {

 	ss.channels = 2;

     } else {

         ss.channels = 1;

     }

     pulse_server = pa_simple_new(NULL, APP_NAME, PA_STREAM_PLAYBACK,

                                  NULL, "Audio", &ss, NULL, NULL, NULL);

     if( pulse_server == NULL ) {

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

 	return FALSE;

     }

     return TRUE;

 }

 gboolean audio_pulse_process_buffer( audio_buffer_t buffer )

 {

     if( pulse_server != NULL ) {

         int error;

         pa_simple_write( pulse_server, buffer->data, buffer->length, &error );

 	return TRUE;

     } else {

 	ERROR( "Pulseaudio not initialized" );

 	return FALSE;

     }

 }

 gboolean audio_pulse_close()

 {

   pa_simple_free(pulse_server);

   pulse_server = NULL;

   return TRUE;

 }

 struct audio_driver audio_pulse_driver = { "pulse", 

 					 audio_pulse_init,

 					 audio_pulse_set_format, 

 					 audio_pulse_process_buffer,

                                          audio_pulse_close};