claunia/libcdio-osx
Archived
1
0
Fork 0
Code Issues 2 Pull Requests Actions Packages Projects Releases Wiki Activity

Add audio lineout controls (play, pause, volume control)

Browse Source
This commit is contained in:
rocky
2005-03-01 00:41:34 +00:00
parent 53916b41bf
commit 47a5589e61
7 changed files with 240 additions and 67 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
include/cdio/Makefile.am
View File

@@ -1,4 +1,4 @@
# $Id: Makefile.am,v 1.22 2005/02/13 00:20:04 rocky Exp $
# $Id: Makefile.am,v 1.23 2005/03/01 00:41:34 rocky Exp $
#
# Copyright (C) 2003, 2004 Rocky Bernstein <rocky@panix.com>
#
@@ -23,6 +23,7 @@
libcdioincludedir=$(includedir)/cdio
libcdioinclude_HEADERS = \
audio.h \
bytesex.h \
bytesex_asm.h \
paranoia.h \

129
include/cdio/audio.h Normal file
View File

@@ -0,0 +1,129 @@
/* -*- c -*-
$Id: audio.h,v 1.1 2005/03/01 00:41:34 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
*/
/** \file audio.h
*
* \brief The top-level header for CD audio-related libcdio
* calls. These control playing of the CD-ROM through its
* line-out jack.
*/
#ifndef __CDIO_AUDIO_H__
#define __CDIO_AUDIO_H__
#include <cdio/types.h>
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
/*! This struct is used by the cdio_audio_read_subchannel */
typedef struct cdio_subchannel_s
{
uint8_t cdsc_format;
uint8_t cdsc_audiostatus;
uint8_t cdsc_adr: 4;
uint8_t cdsc_ctrl: 4;
uint8_t cdsc_trk;
uint8_t cdsc_ind;
union cdio_cdrom_addr cdsc_absaddr;
union cdio_cdrom_addr cdsc_reladdr;
} cdio_subchannel_t;
/*! This struct is used by cdio_audio_get_volume and cdio_audio_set_volume */
typedef struct cdio_audio_volume_s
{
uint8_t channel0;
uint8_t channel1;
uint8_t channel2;
uint8_t channel3;
} 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;
/*!
Get volume of an audio CD.
@param p_cdio the CD object to be acted upon.
*/
driver_return_code_t cdio_audio_get_volume (CdIo_t *p_cdio, /*out*/
cdio_audio_volume_t *p_volume);
/*!
Pause playing CD through analog output
@param p_cdio the CD object to be acted upon.
*/
driver_return_code_t cdio_audio_pause (CdIo_t *p_cdio);
/*!
Playing CD through analog output at the given MSF.
@param p_cdio the CD object to be acted upon.
*/
driver_return_code_t cdio_audio_play_msf (CdIo_t *p_cdio, msf_t *p_msf);
/*!
Playing CD through analog output at the desired track and index
@param p_cdio the CD object to be acted upon.
@param p_track_index location to start/end.
*/
driver_return_code_t cdio_audio_play_track_index
( CdIo_t *p_cdio, cdio_track_index_t *p_track_index);
/*!
Get subchannel information.
@param p_cdio the CD object to be acted upon.
*/
driver_return_code_t cdio_audio_read_subchannel (CdIo_t *p_cdio,
cdio_subchannel_t *p_subchannel);
/*!
Resume playing an audio CD.
@param p_cdio the CD object to be acted upon.
*/
driver_return_code_t cdio_audio_resume (CdIo_t *p_cdio);
/*!
Set volume of an audio CD.
@param p_cdio the CD object to be acted upon.
*/
driver_return_code_t cdio_audio_set_volume (CdIo_t *p_cdio, const
cdio_audio_volume_t *p_volume);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* __CDIO_AUDIO_H__ */

16
include/cdio/mmc.h
View File

@@ -1,5 +1,5 @@
/*
$Id: mmc.h,v 1.12 2005/02/19 11:45:03 rocky Exp $
$Id: mmc.h,v 1.13 2005/03/01 00:41:34 rocky Exp $
Copyright (C) 2003, 2004, 2005 Rocky Bernstein <rocky@panix.com>
@@ -146,6 +146,20 @@ typedef enum {
} cdio_mmc_gpcmd_t;
/** Read Subchannel states */
typedef enum {
CDIO_MMC_READ_SUB_ST_INVALID = 0x00, /**< audio status not supported */
CDIO_MMC_READ_SUB_ST_PLAY = 0x11, /**< audio play operation in
progress */
CDIO_MMC_READ_SUB_ST_PAUSED = 0x12, /**< audio play operation paused */
CDIO_MMC_READ_SUB_ST_COMPLETED = 0x13, /**< audio play successfully
completed */
CDIO_MMC_READ_SUB_ST_ERROR = 0x14, /**< audio play stopped due to
error */
CDIO_MMC_READ_SUB_ST_NO_STATUS = 0x15, /**< no current audio status to
return */
} cdio_mmc_read_sub_state_t;
/*! Level values that can go into READ_CD */
#define CDIO_MMC_READ_TYPE_ANY 0 /**< All types */
#define CDIO_MMC_READ_TYPE_CDDA 1 /**< Only CD-DA sectors */

17
include/cdio/types.h
View File

@@ -1,5 +1,5 @@
/*
$Id: types.h,v 1.26 2005/02/10 01:59:06 rocky Exp $
$Id: types.h,v 1.27 2005/03/01 00:41:34 rocky Exp $
Copyright (C) 2000 Herbert Valerio Riedel <hvr@gnu.org>
Copyright (C) 2002, 2003, 2004 Rocky Bernstein <rocky@panix.com>
@@ -183,12 +183,12 @@ extern "C" {
@see lba_t
*/
PRAGMA_BEGIN_PACKED
struct msf_rec {
struct msf_s {
uint8_t m, s, f;
} GNUC_PACKED;
PRAGMA_END_PACKED
typedef struct msf_rec msf_t;
typedef struct msf_s msf_t;
#define msf_t_SIZEOF 3
@@ -217,13 +217,20 @@ extern "C" {
*/
typedef int32_t lba_t;
/*! The type of a Logical Sector Number. Note that an lba lsn be negative
and the MMC3 specs allow for a conversion of a negative lba
/*! The type of a Logical Sector Number. Note that an lba can be negative
and the MMC3 specs allow for a conversion of a negative lba.
@see msf_t
*/
typedef int32_t lsn_t;
/* Address in either MSF or logical format */
union cdio_cdrom_addr
{
msf_t msf;
lba_t lba;
};
/*! The type of a track number 0..99. */
typedef uint8_t track_t;