audio.h

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/* -*- c -*-
    Copyright (C) 2005, 2007, 2008, 2019 Rocky Bernstein <rocky@gnu.org>
 
    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 3 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, see <http://www.gnu.org/licenses/>.
*/
 
#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_subchannel_s {…};
 
  typedef struct cdio_audio_volume_s
  {
    uint8_t level[4];
  } cdio_audio_volume_t;
  typedef struct cdio_audio_volume_s {…};
 
 
  typedef struct cdio_track_index_s
  {
    uint8_t     i_start_track;  
    uint8_t     i_start_index;  
    uint8_t     i_end_track;    
    uint8_t     i_end_index;    
  } cdio_track_index_t;
  typedef struct cdio_track_index_s {…};
 
  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_ */