audio.h

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/* -*- c -*-
    $Id: audio_8h-source.html,v 1.6 2006/10/27 11:16:41 rocky Exp $

    Copyright (C) 2005 Rocky Bernstein <rocky@panix.com>

    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.

    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*/

#ifndef __CDIO_AUDIO_H__
#define __CDIO_AUDIO_H__

#include <cdio/types.h>

#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */

  typedef struct cdio_subchannel_s 
  {
    uint8_t format;
    uint8_t audio_status;
    uint8_t address:    4;
    uint8_t control:    4;
    uint8_t track;
    uint8_t index;
    msf_t   abs_addr;
    msf_t   rel_addr;
  } cdio_subchannel_t;
  
  typedef struct cdio_audio_volume_s
  {
    uint8_t level[4];
  } cdio_audio_volume_t;
  

  /* This struct is used by the CDROMPLAYTRKIND ioctl */
  typedef struct cdio_track_index_s
  {
    uint8_t     i_start_track;  /* start track */
    uint8_t     i_start_index;  /* start index */
    uint8_t     i_end_track;    /* end track */
    uint8_t     i_end_index;    /* end index */
  } cdio_track_index_t;

  driver_return_code_t cdio_audio_get_volume (CdIo_t *p_cdio,  /*out*/
                                              cdio_audio_volume_t *p_volume);

  uint32_t cdio_audio_get_msf_seconds(msf_t *p_msf);

  driver_return_code_t cdio_audio_pause (CdIo_t *p_cdio);

  driver_return_code_t cdio_audio_play_msf (CdIo_t *p_cdio, 
                                            /*in*/msf_t *p_start_msf,
                                            /*in*/ msf_t *p_end_msf);

  driver_return_code_t cdio_audio_play_track_index 
  ( CdIo_t *p_cdio,  cdio_track_index_t *p_track_index);

  driver_return_code_t cdio_audio_read_subchannel (CdIo_t *p_cdio, 
                                                   /*out*/ cdio_subchannel_t *p_subchannel);

  driver_return_code_t cdio_audio_resume (CdIo_t *p_cdio);

  driver_return_code_t cdio_audio_set_volume (CdIo_t *p_cdio, /*out*/
                                              cdio_audio_volume_t *p_volume);

  driver_return_code_t cdio_audio_stop (CdIo_t *p_cdio);

#ifdef __cplusplus
}
#endif /* __cplusplus */

#endif /* __CDIO_AUDIO_H__ */

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