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

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rocky
2005-03-01 00:41:34 +00:00
parent 53916b41bf
commit 47a5589e61
7 changed files with 240 additions and 67 deletions
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95
lib/driver/cdio_private.h
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@@ -1,5 +1,5 @@
/*
$Id: cdio_private.h,v 1.16 2005/02/17 07:03:37 rocky Exp $
$Id: cdio_private.h,v 1.17 2005/03/01 00:41:34 rocky Exp $
Copyright (C) 2003, 2004, 2005 Rocky Bernstein <rocky@panix.com>
@@ -29,6 +29,7 @@
#endif
#include <cdio/cdio.h>
#include <cdio/audio.h>
#include <cdio/cdtext.h>
#include "mmc_private.h"
@@ -53,12 +54,67 @@ extern "C" {
typedef struct {
/*!
Get volume of an audio CD.
@param p_env the CD object to be acted upon.
*/
driver_return_code_t (*audio_get_volume)
(void *p_env, /*out*/ cdio_audio_volume_t *p_volume);
/*!
Pause playing CD through analog output
@param p_env the CD object to be acted upon.
*/
driver_return_code_t (*audio_pause) (void *p_env);
/*!
Playing CD through analog output
@param p_env the CD object to be acted upon.
*/
driver_return_code_t (*audio_play_msf) ( void *p_env, msf_t *p_msf );
/*!
Playing CD through analog output
@param p_env the CD object to be acted upon.
*/
driver_return_code_t (*audio_play_track_index)
( void *p_env, cdio_track_index_t *p_track_index );
/*!
Get subchannel information.
@param p_env the CD object to be acted upon.
*/
driver_return_code_t (*audio_read_subchannel)
( void *p_env, cdio_subchannel_t *subchannel );
/*!
Resume playing an audio CD.
@param p_env the CD object to be acted upon.
*/
driver_return_code_t (*audio_resume) ( void *p_env );
/*!
Set volume of an audio CD.
@param p_env the CD object to be acted upon.
*/
driver_return_code_t (*audio_set_volume)
( void *p_env, const cdio_audio_volume_t *p_volume );
/*!
Eject media in CD drive. If successful, as a side effect we
also free obj. Return 0 if success and 1 for failure.
@param p_cdio the CD object to be acted upon.
If the CD is ejected *p_cdio is freed and p_cdio set to NULL.
@param p_env the CD object to be acted upon.
If the CD is ejected *p_env is freed and p_env set to NULL.
*/
int (*eject_media) (void *p_env);
@@ -141,8 +197,8 @@ extern "C" {
Get the CD-ROM hardware info via a SCSI MMC INQUIRY command.
False is returned if we had an error getting the information.
*/
bool (*get_hwinfo) ( const CdIo_t *p_cdio,
/* out*/ cdio_hwinfo_t *p_hw_info );
bool (*get_hwinfo)
( const CdIo_t *p_cdio, /* out*/ cdio_hwinfo_t *p_hw_info );
/*!
Find out if media has changed since the last call.
@@ -213,8 +269,8 @@ extern "C" {
or -2 if not implimented (yet). Is this meaningful if not an
audio track?
*/
track_flag_t (*get_track_preemphasis) (const void *p_env,
track_t i_track);
track_flag_t (*get_track_preemphasis)
( const void *p_env, track_t i_track );
/*!
lseek - reposition read/write file offset
@@ -254,40 +310,41 @@ extern "C" {
@param i_blocksize size of block. Should be either CDIO_CD_FRAMESIZE,
M2RAW_SECTOR_SIZE, or M2F2_SECTOR_SIZE. See comment above under p_buf.
*/
driver_return_code_t (*read_data_sectors) (void *p_env, void *p_buf,
lsn_t i_lsn,
uint16_t i_blocksize,
uint32_t i_blocks);
driver_return_code_t (*read_data_sectors)
( void *p_env, void *p_buf, lsn_t i_lsn, uint16_t i_blocksize,
uint32_t i_blocks );
/*!
Reads a single mode2 sector from cd device into buf starting
from lsn. Returns 0 if no error.
*/
int (*read_mode2_sector) (void *p_env, void *p_buf, lsn_t i_lsn,
bool b_mode2_form2);
int (*read_mode2_sector)
( void *p_env, void *p_buf, lsn_t i_lsn, bool b_mode2_form2 );
/*!
Reads i_blocks of mode2 sectors from cd device into data starting
from lsn.
Returns 0 if no error.
*/
int (*read_mode2_sectors) (void *p_env, void *p_buf, lsn_t i_lsn,
bool b_mode2_form2, unsigned int i_blocks);
int (*read_mode2_sectors)
( void *p_env, void *p_buf, lsn_t i_lsn, bool b_mode2_form2,
unsigned int i_blocks );
/*!
Reads a single mode1 sector from cd device into buf starting
from lsn. Returns 0 if no error.
*/
int (*read_mode1_sector) (void *p_env, void *p_buf, lsn_t i_lsn,
bool mode1_form2);
int (*read_mode1_sector)
( void *p_env, void *p_buf, lsn_t i_lsn, bool mode1_form2 );
/*!
Reads i_blocks of mode1 sectors from cd device into data starting
from lsn.
Returns 0 if no error.
*/
int (*read_mode1_sectors) (void *p_env, void *p_buf, lsn_t i_lsn,
bool mode1_form2, unsigned int i_blocks);
int (*read_mode1_sectors)
( void *p_env, void *p_buf, lsn_t i_lsn, bool mode1_form2,
unsigned int i_blocks );
bool (*read_toc) ( void *p_env ) ;