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vlc/modules/access/cdda/access.c

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/*****************************************************************************
* access.c : CD digital audio input module for vlc using libcdio
*****************************************************************************
* Copyright (C) 2000, 2003, 2004, 2005 the VideoLAN team
* $Id$
*
* Authors: Rocky Bernstein <rocky@panix.com>
* Laurent Aimar <fenrir@via.ecp.fr>
* Gildas Bazin <gbazin@netcourrier.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, USA.
*****************************************************************************/
/*****************************************************************************
* Preamble
*****************************************************************************/
#include "callback.h" /* FIXME - reorganize callback.h, cdda.h better */
#include "cdda.h" /* private structures. Also #includes vlc things */
#include "info.h" /* headers for meta info retrieval */
#include <vlc_playlist.h> /* Has to come *after* cdda.h */
#include "vlc_keys.h"
#include <cdio/cdio.h>
#include <cdio/logging.h>
#include <cdio/cd_types.h>
#include <stdio.h>
/* #ifdef variables below are defined via config.h via #include vlc above. */
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#endif
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef HAVE_STRING_H
#include <string.h>
#endif
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
/* FIXME: This variable is a hack. Would be nice to eliminate. */
access_t *p_cdda_input = NULL;
/*****************************************************************************
* Local prototypes
*****************************************************************************/
static int CDDARead( access_t *, uint8_t *, int );
static block_t *CDDAReadBlocks( access_t * p_access );
static int CDDASeek( access_t * p_access, int64_t i_pos );
static int CDDAControl( access_t *p_access, int i_query,
va_list args );
static int CDDAInit( access_t *p_access, cdda_data_t *p_cdda ) ;
/****************************************************************************
* Private functions
****************************************************************************/
/* process messages that originate from libcdio.
called by CDDAOpen
*/
static void
cdio_log_handler (cdio_log_level_t level, const char message[])
{
cdda_data_t *p_cdda = (cdda_data_t *)p_cdda_input->p_sys;
if( p_cdda == NULL )
return;
switch (level) {
case CDIO_LOG_DEBUG:
case CDIO_LOG_INFO:
if (p_cdda->i_debug & INPUT_DBG_CDIO)
msg_Dbg( p_cdda_input, message);
break;
case CDIO_LOG_WARN:
msg_Warn( p_cdda_input, message);
break;
case CDIO_LOG_ERROR:
case CDIO_LOG_ASSERT:
msg_Err( p_cdda_input, message);
break;
default:
msg_Warn( p_cdda_input, message,
"The above message had unknown cdio log level",
level);
}
return;
}
#ifdef HAVE_LIBCDDB
/*! This routine is called by libcddb routines on error.
called by CDDAOpen
*/
static void
cddb_log_handler (cddb_log_level_t level, const char message[])
{
cdda_data_t *p_cdda = (cdda_data_t *)p_cdda_input->p_sys;
switch (level)
{
case CDDB_LOG_DEBUG:
case CDDB_LOG_INFO:
if (!(p_cdda->i_debug & INPUT_DBG_CDDB)) return;
/* Fall through if to warn case */
default:
cdio_log_handler (level, message);
}
}
#endif /*HAVE_LIBCDDB*/
/*! This routine is when vlc is not fully set up (before full initialization)
or is not around (before finalization).
*/
static void
uninit_log_handler (cdio_log_level_t level, const char message[])
{
cdda_data_t *p_cdda = NULL;
if (p_cdda_input)
p_cdda = (cdda_data_t *)p_cdda_input->p_sys;
switch (level)
{
case CDIO_LOG_DEBUG:
case CDIO_LOG_INFO:
if (!p_cdda || !(p_cdda->i_debug & (INPUT_DBG_CDIO|INPUT_DBG_CDDB)))
return;
/* Fall through if to warn case */
case CDIO_LOG_WARN:
fprintf(stderr, "WARN: %s\n", message);
break;
case CDIO_LOG_ERROR:
fprintf(stderr, "ERROR: %s\n", message);
break;
case CDIO_LOG_ASSERT:
fprintf(stderr, "ASSERT ERROR: %s\n", message);
break;
default:
fprintf(stderr, "UNKNOWN ERROR: %s\n%s %d\n", message,
"The above message had unknown cdio log level",
level);
}
/* gl_default_cdio_log_handler (level, message); */
}
/* Only used in audio control mode. Gets the current LSN from the
CD-ROM drive. */
static int64_t
get_audio_position ( access_t *p_access )
{
cdda_data_t *p_cdda = (cdda_data_t *) p_access->p_sys;
lsn_t i_offset;
#if LIBCDIO_VERSION_NUM >= 73
if (p_cdda->b_audio_ctl)
{
cdio_subchannel_t sub;
CdIo_t *p_cdio = p_cdda->p_cdio;
if (DRIVER_OP_SUCCESS == cdio_audio_read_subchannel(p_cdio, &sub)) {
if (sub.audio_status != CDIO_MMC_READ_SUB_ST_PAUSED &&
sub.audio_status != CDIO_MMC_READ_SUB_ST_PLAY)
return CDIO_INVALID_LSN;
if ( ! p_cdda->b_nav_mode ) {
// char *psz = cdio_msf_to_str(&sub.abs_addr);
// fprintf(stderr, "+++disk mode abs msf %s", psz);
// free(psz);
i_offset = cdio_msf_to_lba((&sub.abs_addr));
// fprintf(stderr, " frame offset %d\n", i_offset);
} else {
// char *psz = cdio_msf_to_str(&sub.rel_addr);
// fprintf(stderr, "+++track abs msf %s", psz);
// free(psz);
i_offset = cdio_msf_to_lba((&sub.rel_addr));
// fprintf(stderr, " frame offset %d\n", i_offset);
}
} else {
// fprintf(stderr, "+++Error reading current pos\n");
i_offset = p_cdda->i_lsn;
}
} else
i_offset = p_cdda->i_lsn;
#else
i_offset = p_cdda->i_lsn;
;
#endif
return i_offset;
}
/*****************************************************************************
* CDDAReadBlocks: reads a group of blocks from the CD-DA and returns
* an allocated pointer to the data. NULL is returned if no data
* read. It is also possible if we haven't read a RIFF header in which
* case one that we creaded during Open/Initialization is returned.
*****************************************************************************/
static block_t * CDDAReadBlocks( access_t * p_access )
{
block_t *p_block;
cdda_data_t *p_cdda = (cdda_data_t *) p_access->p_sys;
int i_blocks = p_cdda->i_blocks_per_read;
dbg_print((INPUT_DBG_CALL|INPUT_DBG_EXT|INPUT_DBG_LSN),
"called i_lsn: %d i_pos: %lld, size: %lld",
p_cdda->i_lsn, p_access->info.i_pos, p_access->info.i_size);
/* Check end of file */
if( p_access->info.b_eof ) return NULL;
if( !p_cdda->b_header )
{
/* Return only the dummy RIFF header we created in Open/Init */
p_block = block_New( p_access, sizeof( WAVEHEADER ) );
memcpy( p_block->p_buffer, &p_cdda->waveheader, sizeof(WAVEHEADER) );
p_cdda->b_header = VLC_TRUE;
return p_block;
}
/* Check end of track */
while( p_cdda->i_lsn > cdio_get_track_last_lsn(p_cdda->p_cdio,
p_cdda->i_track) )
{
bool go_on;
if( p_cdda->b_nav_mode )
go_on = p_cdda->i_lsn > p_cdda->last_disc_frame;
else
go_on = p_cdda->i_track >= p_cdda->i_first_track+p_cdda->i_titles-1 ;
if( go_on )
{
dbg_print( (INPUT_DBG_LSN), "EOF");
p_access->info.b_eof = VLC_TRUE;
return NULL;
}
p_access->info.i_update |= INPUT_UPDATE_TITLE | INPUT_UPDATE_META;
p_access->info.i_title++;
p_cdda->i_track++;
if ( p_cdda-> b_nav_mode ) {
char *psz_title = CDDAFormatTitle( p_access, p_cdda->i_track );
input_Control( p_cdda->p_input, INPUT_SET_NAME, psz_title );
free(psz_title);
} else {
p_access->info.i_size =
p_cdda->p_title[p_access->info.i_title]->i_size;
p_access->info.i_pos = 0;
p_access->info.i_update |= INPUT_UPDATE_SIZE;
}
}
/* Possibly adjust i_blocks so we don't read past the end of a track. */
if( p_cdda->i_lsn + i_blocks >=
cdio_get_track_lsn(p_cdda->p_cdio, p_cdda->i_track+1) )
{
i_blocks = cdio_get_track_lsn( p_cdda->p_cdio, p_cdda->i_track+1 )
- p_cdda->i_lsn;
}
/* Do the actual reading */
p_block = block_New( p_access, i_blocks * CDIO_CD_FRAMESIZE_RAW );
if( !p_block)
{
msg_Err( p_access, "Cannot get a new block of size: %i",
i_blocks * CDIO_CD_FRAMESIZE_RAW );
return NULL;
}
{
#if LIBCDIO_VERSION_NUM >= 72
driver_return_code_t rc = DRIVER_OP_SUCCESS;
if ( p_cdda->e_paranoia && p_cdda->paranoia )
{
int i;
for( i = 0; i < i_blocks; i++ )
{
int16_t *p_readbuf = cdio_paranoia_read(p_cdda->paranoia, NULL);
char *psz_err=cdio_cddap_errors(p_cdda->paranoia_cd);
char *psz_mes=cdio_cddap_messages(p_cdda->paranoia_cd);
if (psz_mes || psz_err)
msg_Err( p_access, "%s%s\n", psz_mes ? psz_mes: "",
psz_err ? psz_err: "" );
if (psz_err) free(psz_err);
if (psz_mes) free(psz_mes);
if( !p_readbuf ) {
msg_Err( p_access, "paranoia read error on frame %i\n",
p_cdda->i_lsn+i );
} else
memcpy(p_block->p_buffer + i * CDIO_CD_FRAMESIZE_RAW,
p_readbuf, CDIO_CD_FRAMESIZE_RAW);
}
}
else
rc = cdio_read_audio_sectors( p_cdda->p_cdio, p_block->p_buffer,
p_cdda->i_lsn, i_blocks);
#else
#define DRIVER_OP_SUCCESS 0
int rc;
rc = cdio_read_audio_sectors( p_cdda->p_cdio, p_block->p_buffer,
p_cdda->i_lsn, i_blocks);
#endif
if( rc != DRIVER_OP_SUCCESS )
{
msg_Err( p_access, "could not read %d sectors starting from %lu",
i_blocks, (long unsigned int) p_cdda->i_lsn );
block_Release( p_block );
/* If we had problems above, assume the problem is with
the first sector of the read and set to skip it. In
the future libcdio may have cdparanoia support.
*/
p_cdda->i_lsn++;
p_access->info.i_pos += CDIO_CD_FRAMESIZE_RAW;
return NULL;
}
}
p_cdda->i_lsn += i_blocks;
p_access->info.i_pos += i_blocks * CDIO_CD_FRAMESIZE_RAW;
return p_block;
}
/*****************************************************************************
* CDDARead: Handler for audio control reads the CD-DA.
*****************************************************************************/
static int
CDDARead( access_t * p_access, uint8_t *p_buffer, int i_len )
{
cdda_data_t *p_cdda = (cdda_data_t *) p_access->p_sys;
dbg_print((INPUT_DBG_CALL|INPUT_DBG_EXT|INPUT_DBG_LSN),
"called lsn: %d pos: %lld, size: %lld",
p_cdda->i_lsn, p_access->info.i_pos, p_access->info.i_size);
/* Check end of file */
if( p_access->info.b_eof ) return 0;
{
lsn_t i_lsn = get_audio_position(p_access);
if (CDIO_INVALID_LSN == i_lsn) {
dbg_print((INPUT_DBG_LSN), "invalid lsn");
memset( p_buffer, 0, i_len );
return i_len;
}
p_cdda->i_lsn = i_lsn;
p_access->info.i_pos = p_cdda->i_lsn * CDIO_CD_FRAMESIZE_RAW;
}
dbg_print((INPUT_DBG_LSN), "updated lsn: %d", p_cdda->i_lsn);
/* Check end of track */
while( p_cdda->i_lsn > cdio_get_track_last_lsn(p_cdda->p_cdio,
p_cdda->i_track) )
{
if( p_cdda->i_track >= p_cdda->i_first_track + p_cdda->i_titles - 1 )
{
dbg_print( (INPUT_DBG_LSN), "EOF");
p_access->info.b_eof = VLC_TRUE;
return 0;
}
p_access->info.i_update |= INPUT_UPDATE_TITLE;
p_access->info.i_title++;
p_cdda->i_track++;
if ( p_cdda-> b_nav_mode ) {
char *psz_title = CDDAFormatTitle( p_access, p_cdda->i_track );
input_Control( p_cdda->p_input, INPUT_SET_NAME, psz_title );
free(psz_title);
} else {
p_access->info.i_size =
p_cdda->p_title[p_access->info.i_title]->i_size;
p_access->info.i_pos = 0;
p_access->info.i_update |= INPUT_UPDATE_SIZE;
}
}
memset( p_buffer, 0, i_len );
return i_len;
}
/*! Pause CD playing via audio control */
static bool
cdda_audio_pause(CdIo_t *p_cdio)
{
bool b_ok = true;
#if LIBCDIO_VERSION_NUM >= 73
cdio_subchannel_t sub;
if (DRIVER_OP_SUCCESS == cdio_audio_read_subchannel(p_cdio, &sub)) {
if (sub.audio_status == CDIO_MMC_READ_SUB_ST_PLAY) {
b_ok = DRIVER_OP_SUCCESS == cdio_audio_pause(p_cdio);
}
} else
b_ok = false;
#endif
return b_ok;
}
#if LIBCDIO_VERSION_NUM >= 73
/*! play CD using audio controls */
static driver_return_code_t
cdda_audio_play(CdIo_t *p_cdio, lsn_t start_lsn, lsn_t end_lsn)
{
msf_t start_msf;
msf_t last_msf;
cdio_lsn_to_msf(start_lsn, &start_msf);
cdio_lsn_to_msf(end_lsn, &last_msf);
cdda_audio_pause(p_cdio);
return cdio_audio_play_msf (p_cdio, &start_msf, &last_msf);
}
#endif
/****************************************************************************
* CDDASeek - change position for subsequent reads. For example, this
* can happen if the user moves a position slider bar in a GUI.
****************************************************************************/
static int
CDDASeek( access_t * p_access, int64_t i_pos )
{
cdda_data_t *p_cdda = (cdda_data_t *) p_access->p_sys;
dbg_print( (INPUT_DBG_CALL|INPUT_DBG_EXT|INPUT_DBG_SEEK),
"lsn %lu, offset: %lld",
(long unsigned int) p_cdda->i_lsn, i_pos );
p_cdda->i_lsn = (i_pos / CDIO_CD_FRAMESIZE_RAW);
#if LIBCDIO_VERSION_NUM >= 72
if ( p_cdda->e_paranoia && p_cdda->paranoia )
cdio_paranoia_seek(p_cdda->paranoia, p_cdda->i_lsn, SEEK_SET);
#endif
#if LIBCDIO_VERSION_NUM >= 73
if ( p_cdda->b_audio_ctl ) {
track_t i_track = cdio_get_track(p_cdda->p_cdio, p_cdda->i_lsn);
lsn_t i_last_lsn;
if ( p_cdda->b_nav_mode )
i_last_lsn = p_cdda->last_disc_frame;
else
i_last_lsn = cdio_get_track_last_lsn(p_cdda->p_cdio, i_track);
cdda_audio_play(p_cdda->p_cdio, p_cdda->i_lsn, i_last_lsn);
}
#endif
if ( ! p_cdda->b_nav_mode )
p_cdda->i_lsn += cdio_get_track_lsn(p_cdda->p_cdio, p_cdda->i_track);
/* Seeked backwards and we are doing disc mode. */
if ( p_cdda->b_nav_mode && p_access->info.i_pos > i_pos ) {
track_t i_track;
char *psz_title;
for( i_track = p_cdda->i_track;
i_track > 1 &&
p_cdda->i_lsn < cdio_get_track_lsn(p_cdda->p_cdio, i_track);
i_track--, p_access->info.i_title-- ) ;
p_cdda->i_track = i_track;
p_access->info.i_update |= INPUT_UPDATE_TITLE | INPUT_UPDATE_META ;
psz_title = CDDAFormatTitle( p_access, p_cdda->i_track );
input_Control( p_cdda->p_input, INPUT_SET_NAME,
psz_title );
free(psz_title);
}
p_access->info.i_pos = i_pos;
return VLC_SUCCESS;
}
/*
Set up internal state so that we play a given track.
If we are using audio-ctl mode we also activate CD-ROM
to play.
*/
static bool
cdda_play_track( access_t *p_access, track_t i_track )
{
cdda_data_t *p_cdda = (cdda_data_t *) p_access->p_sys;
dbg_print((INPUT_DBG_CALL), "called track: %d\n", i_track);
if (i_track > p_cdda->i_tracks)
{
msg_Err( p_access, "CD has %d tracks, and you requested track %d",
p_cdda->i_tracks, i_track );
return false;
}
p_cdda->i_track = i_track;
/* set up the frame boundaries for this particular track */
p_cdda->first_frame = p_cdda->i_lsn =
cdio_get_track_lsn(p_cdda->p_cdio, i_track);
p_cdda->last_frame = cdio_get_track_lsn(p_cdda->p_cdio, i_track+1) - 1;
#if LIBCDIO_VERSION_NUM >= 73
if (p_cdda->b_audio_ctl)
{
lsn_t i_last_lsn;
if ( p_cdda->b_nav_mode )
i_last_lsn = p_cdda->last_disc_frame;
else
i_last_lsn = cdio_get_track_last_lsn(p_cdda->p_cdio, i_track);
cdda_audio_play(p_cdda->p_cdio, p_cdda->i_lsn, i_last_lsn);
}
#endif
return true;
}
/****************************************************************************
* Public functions
****************************************************************************/
/*****************************************************************************
* Open: open cdda device or image file and initialize structures
* for subsequent operations.
*****************************************************************************/
int
CDDAOpen( vlc_object_t *p_this )
{
access_t *p_access = (access_t*)p_this;
char * psz_source = NULL;
cdda_data_t *p_cdda = NULL;
CdIo_t *p_cdio;
track_t i_track = 1;
vlc_bool_t b_single_track = false;
int i_rc = VLC_EGENERIC;
p_access->p_sys = NULL;
/* Set where to log errors messages from libcdio. */
p_cdda_input = p_access;
/* parse the options passed in command line : */
if( p_access->psz_path && *p_access->psz_path )
{
char *psz_parser = psz_source = strdup( p_access->psz_path );
while( *psz_parser && *psz_parser != '@' )
{
psz_parser++;
}
if( *psz_parser == '@' )
{
/* Found options */
*psz_parser = '\0';
++psz_parser;
if ('T' == *psz_parser || 't' == *psz_parser )
++psz_parser;
i_track = (int)strtol( psz_parser, NULL, 10 );
i_track = i_track ? i_track : 1;
b_single_track = true;
}
}
if (!psz_source || !*psz_source)
{
/* No device/track given. Continue only when this plugin was
selected */
if( !p_this->b_force ) return VLC_EGENERIC;
psz_source = var_CreateGetString( p_this, "cd-audio" );
if( !psz_source || !*psz_source )
{
/* Scan for a CD-ROM drive with a CD-DA in it. */
char **ppsz_drives =
cdio_get_devices_with_cap(NULL, CDIO_FS_AUDIO, false);
if (NULL == ppsz_drives || NULL == ppsz_drives[0] )
{
msg_Err( p_access,
"libcdio couldn't find something with a CD-DA in it" );
if (ppsz_drives) cdio_free_device_list(ppsz_drives);
return VLC_EGENERIC;
}
psz_source = strdup(ppsz_drives[0]);
cdio_free_device_list(ppsz_drives);
}
}
cdio_log_set_handler ( cdio_log_handler );
/* Open CDDA */
if( !(p_cdio = cdio_open( psz_source, DRIVER_UNKNOWN )) )
{
msg_Warn( p_access, "could not open %s", psz_source );
if (psz_source) free( psz_source );
return VLC_EGENERIC;
}
p_cdda = calloc( 1, sizeof(cdda_data_t) );
if( p_cdda == NULL )
{
msg_Err( p_access, "out of memory" );
free( psz_source );
return VLC_ENOMEM;
}
#ifdef HAVE_LIBCDDB
cddb_log_set_handler ( cddb_log_handler );
p_cdda->cddb.disc = NULL;
p_cdda->b_cddb_enabled =
config_GetInt( p_access, MODULE_STRING "-cddb-enabled" );
#endif
p_cdda->b_cdtext =
config_GetInt( p_access, MODULE_STRING "-cdtext-enabled" );
p_cdda->b_cdtext_prefer =
config_GetInt( p_access, MODULE_STRING "-cdtext-prefer" );
#if LIBCDIO_VERSION_NUM >= 73
p_cdda->b_audio_ctl =
config_GetInt( p_access, MODULE_STRING "-analog-output" );
#endif
p_cdda->psz_source = strdup(psz_source);
p_cdda->b_header = VLC_FALSE;
p_cdda->p_cdio = p_cdio;
p_cdda->i_tracks = 0;
p_cdda->i_titles = 0;
p_cdda->i_debug = config_GetInt(p_this, MODULE_STRING
"-debug");
p_cdda->b_nav_mode = config_GetInt(p_this, MODULE_STRING
"-navigation-mode" );
p_cdda->i_blocks_per_read
= config_GetInt(p_this, MODULE_STRING "-blocks-per-read");
p_cdda->last_disc_frame =
cdio_get_track_lsn(p_cdio, CDIO_CDROM_LEADOUT_TRACK);
p_cdda->p_input = vlc_object_find( p_access, VLC_OBJECT_INPUT,
FIND_PARENT );
if (0 == p_cdda->i_blocks_per_read)
p_cdda->i_blocks_per_read = DEFAULT_BLOCKS_PER_READ;
if ( p_cdda->i_blocks_per_read < MIN_BLOCKS_PER_READ
|| p_cdda->i_blocks_per_read > MAX_BLOCKS_PER_READ )
{
msg_Warn( p_cdda_input,
"Number of blocks (%d) has to be between %d and %d. "
"Using %d.",
p_cdda->i_blocks_per_read,
MIN_BLOCKS_PER_READ, MAX_BLOCKS_PER_READ,
DEFAULT_BLOCKS_PER_READ );
p_cdda->i_blocks_per_read = DEFAULT_BLOCKS_PER_READ;
}
dbg_print( (INPUT_DBG_CALL|INPUT_DBG_EXT), "%s", psz_source );
/* Set up p_access */
if (p_cdda->b_audio_ctl)
{
p_access->pf_read = CDDARead;
p_access->pf_block = NULL;
} else
{
p_access->pf_read = NULL;
p_access->pf_block = CDDAReadBlocks;
}
p_access->pf_control = CDDAControl;
p_access->pf_seek = CDDASeek;
{
lsn_t i_last_lsn;
if (p_cdda->b_nav_mode)
i_last_lsn = p_cdda->last_disc_frame;
else
i_last_lsn = cdio_get_track_last_lsn(p_cdio, i_track);
if (CDIO_INVALID_LSN != i_last_lsn)
p_access->info.i_size = i_last_lsn * (uint64_t) CDIO_CD_FRAMESIZE_RAW;
else
p_access->info.i_size = 0;
}
p_access->info.i_update = 0;
p_access->info.b_eof = VLC_FALSE;
p_access->info.i_title = 0;
p_access->info.i_seekpoint = 0;
p_access->p_sys = (access_sys_t *) p_cdda;
/* We read the Table Of Content information */
i_rc = CDDAInit( p_access, p_cdda );
if ( VLC_SUCCESS != i_rc ) goto error;
cdda_play_track( p_access, i_track );
CDDAFixupPlaylist( p_access, p_cdda, b_single_track );
#if LIBCDIO_VERSION_NUM >= 72
{
char *psz_paranoia = config_GetPsz( p_access,
MODULE_STRING "-paranoia" );
p_cdda->e_paranoia = paranoia_none;
if( psz_paranoia && *psz_paranoia )
{
if( !strncmp( psz_paranoia, "full", strlen("full") ) )
p_cdda->e_paranoia = paranoia_full;
else if( !strncmp( psz_paranoia, "overlap", strlen("overlap") ) )
p_cdda->e_paranoia = paranoia_overlap;
/* Use CD Paranoia? */
if ( p_cdda->e_paranoia ) {
p_cdda->paranoia_cd = cdio_cddap_identify_cdio(p_cdio, 1, NULL);
/* We'll set for verbose paranoia messages. */
cdio_cddap_verbose_set(p_cdda->paranoia_cd, CDDA_MESSAGE_PRINTIT,
CDDA_MESSAGE_PRINTIT);
if ( 0 != cdio_cddap_open(p_cdda->paranoia_cd) ) {
msg_Warn( p_cdda_input, "Unable to get paranoia support - "
"continuing without it." );
p_cdda->e_paranoia = paranoia_none;
} else {
p_cdda->paranoia = cdio_paranoia_init(p_cdda->paranoia_cd);
cdio_paranoia_seek(p_cdda->paranoia, p_cdda->i_lsn, SEEK_SET);
/* Set reading mode for full or overlap paranoia,
but allow skipping sectors. */
cdio_paranoia_modeset(p_cdda->paranoia,
paranoia_full == p_cdda->e_paranoia ?
PARANOIA_MODE_FULL^PARANOIA_MODE_NEVERSKIP :
PARANOIA_MODE_OVERLAP^PARANOIA_MODE_NEVERSKIP
);
}
}
}
}
#endif
/* Build a WAV header to put in front of the output data.
This gets sent back in the Block (read) routine.
*/
memset( &p_cdda->waveheader, 0, sizeof(WAVEHEADER) );
SetWLE( &p_cdda->waveheader.Format, 1 ); /*WAVE_FORMAT_PCM*/
SetWLE( &p_cdda->waveheader.BitsPerSample, 16);
p_cdda->waveheader.MainChunkID = VLC_FOURCC('R', 'I', 'F', 'F');
p_cdda->waveheader.Length = 0; /* we just don't know */
p_cdda->waveheader.ChunkTypeID = VLC_FOURCC('W', 'A', 'V', 'E');
p_cdda->waveheader.SubChunkID = VLC_FOURCC('f', 'm', 't', ' ');
SetDWLE( &p_cdda->waveheader.SubChunkLength, 16);
SetWLE( &p_cdda->waveheader.Modus, 2);
SetDWLE( &p_cdda->waveheader.SampleFreq, CDDA_FREQUENCY_SAMPLE);
SetWLE( &p_cdda->waveheader.BytesPerSample,
2 /*Modus*/ * 16 /*BitsPerSample*/ / 8 );
SetDWLE( &p_cdda->waveheader.BytesPerSec,
2*16/8 /*BytesPerSample*/ * CDDA_FREQUENCY_SAMPLE );
p_cdda->waveheader.DataChunkID = VLC_FOURCC('d', 'a', 't', 'a');
p_cdda->waveheader.DataLength = 0; /* we just don't know */
/* PTS delay */
var_Create( p_access, MODULE_STRING "-caching",
VLC_VAR_INTEGER|VLC_VAR_DOINHERIT );
vlc_object_release( p_cdda->p_input );
return VLC_SUCCESS;
error:
cdio_destroy( p_cdda->p_cdio );
if( psz_source) free( psz_source );
if( p_cdda ) {
if ( p_cdda->p_input )
vlc_object_release( p_cdda->p_input );
free(p_cdda);
}
return i_rc;
}
/*****************************************************************************
* CDDAClose: closes cdda and frees any resources associded with it.
*****************************************************************************/
void
CDDAClose (vlc_object_t *p_this )
{
access_t *p_access = (access_t *) p_this;
cdda_data_t *p_cdda = (cdda_data_t *) p_access->p_sys;
track_t i;
#if LIBCDIO_VERSION_NUM >= 73
if (p_cdda->b_audio_ctl)
cdio_audio_stop(p_cdda->p_cdio);
#endif
dbg_print( (INPUT_DBG_CALL|INPUT_DBG_EXT), "" );
/* Remove playlist titles */
for( i = 0; i < p_cdda->i_titles; i++ )
{
vlc_input_title_Delete( p_cdda->p_title[i] );
}
#ifdef HAVE_LIBCDDB
cddb_log_set_handler ((cddb_log_handler_t) uninit_log_handler);
if (p_cdda->b_cddb_enabled)
cddb_disc_destroy(p_cdda->cddb.disc);
#endif
cdio_destroy( p_cdda->p_cdio );
cdio_log_set_handler (uninit_log_handler);
#if LIBCDIO_VERSION_NUM >= 72
if (p_cdda->paranoia)
cdio_paranoia_free(p_cdda->paranoia);
if (p_cdda->paranoia_cd)
cdio_cddap_close_no_free_cdio(p_cdda->paranoia_cd);
#endif
if (p_cdda->psz_mcn) free( p_cdda->psz_mcn );
if (p_cdda->psz_source) free( p_cdda->psz_source );
#if LIBCDDB_VERSION_NUM >= 1
libcddb_shutdown();
#endif
free( p_cdda );
p_cdda = NULL;
p_cdda_input = NULL;
}
/*****************************************************************************
* Control: The front-end or vlc engine calls here to ether get
* information such as meta information or plugin capabilities or to
* issue miscellaneous "set" requests.
*****************************************************************************/
static int CDDAControl( access_t *p_access, int i_query, va_list args )
{
cdda_data_t *p_cdda = (cdda_data_t *) p_access->p_sys;
int *pi_int;
int i;
dbg_print( (INPUT_DBG_CALL|INPUT_DBG_EXT|INPUT_DBG_EVENT),
"query %d", i_query );
switch( i_query )
{
/* Pass back a copy of meta information that was gathered when we
during the Open/Initialize call.
*/
case ACCESS_GET_META:
{
vlc_meta_t **pp_meta = (vlc_meta_t**)va_arg( args, vlc_meta_t** );
if ( p_cdda->p_meta )
{
*pp_meta = vlc_meta_Duplicate( p_cdda->p_meta );
dbg_print( INPUT_DBG_META, "%s", "Meta copied" );
return VLC_SUCCESS;
}
else {
msg_Warn( p_access, "tried to copy NULL meta info" );
return VLC_EGENERIC;
}
}
case ACCESS_CAN_CONTROL_PACE:
{
vlc_bool_t *pb_bool = (vlc_bool_t*)va_arg( args, vlc_bool_t* );
*pb_bool = p_cdda->b_audio_ctl ? VLC_FALSE : VLC_TRUE;
dbg_print( INPUT_DBG_META, "can control pace? %d", *pb_bool);
return VLC_SUCCESS;
}
case ACCESS_CAN_FASTSEEK:
dbg_print( INPUT_DBG_META, "can fast seek?");
goto common;
case ACCESS_CAN_SEEK:
dbg_print( INPUT_DBG_META, "can seek?");
goto common;
case ACCESS_CAN_PAUSE:
dbg_print( INPUT_DBG_META, "can pause?");
common:
{
vlc_bool_t *pb_bool = (vlc_bool_t*)va_arg( args, vlc_bool_t* );
*pb_bool = VLC_TRUE;
return VLC_SUCCESS;
}
/* */
case ACCESS_GET_MTU:
{
pi_int = (int*)va_arg( args, int * );
*pi_int = p_cdda-> i_blocks_per_read * CDIO_CD_FRAMESIZE_RAW;
dbg_print( INPUT_DBG_META, "Get MTU %d", *pi_int);
break;
}
case ACCESS_GET_PTS_DELAY:
{
int64_t *pi_64 = (int64_t*)va_arg( args, int64_t * );
*pi_64 = var_GetInteger( p_access, MODULE_STRING "-caching" )
* MILLISECONDS_PER_SEC;
break;
}
case ACCESS_GET_TITLE_INFO:
{
input_title_t ***ppp_title =
(input_title_t***)va_arg( args, input_title_t*** );
pi_int = (int*)va_arg( args, int* );
*((int*)va_arg( args, int* )) = 1; /* Title offset */
dbg_print ( INPUT_DBG_EVENT,
"GET TITLE: i_tracks %d, i_tracks %d",
p_cdda->i_tracks, p_cdda->i_tracks );
CDDAMetaInfo( p_access, CDIO_INVALID_TRACK );
if ( p_cdda->b_nav_mode) {
char *psz_title =
CDDAFormatTitle( p_access, p_cdda->i_track );
input_Control( p_cdda->p_input, INPUT_SET_NAME,
psz_title );
free(psz_title);
}
/* Duplicate title info */
if( p_cdda->i_titles == 0 )
{
*pi_int = 0; ppp_title = NULL;
return VLC_SUCCESS;
}
*pi_int = p_cdda->i_titles;
*ppp_title = calloc(1,
sizeof( input_title_t **) * p_cdda->i_titles );
if (!*ppp_title) return VLC_ENOMEM;
for( i = 0; i < p_cdda->i_titles; i++ )
{
if ( p_cdda->p_title[i] ) {
(*ppp_title)[i] =
vlc_input_title_Duplicate( p_cdda->p_title[i] );
}
}
break;
}
case ACCESS_SET_TITLE:
{
i = (int)va_arg( args, int );
dbg_print( INPUT_DBG_EVENT, "set title %d", i );
if( i != p_access->info.i_title )
{
const track_t i_track = p_cdda->i_first_track + i;
/* Update info */
p_access->info.i_title = i;
if ( p_cdda->b_nav_mode)
{
lsn_t i_last_lsn;
char *psz_title = CDDAFormatTitle( p_access, i_track );
input_Control( p_cdda->p_input, INPUT_SET_NAME,
psz_title );
free(psz_title);
p_cdda->i_track = i_track;
i_last_lsn = cdio_get_track_lsn(p_cdda->p_cdio,
CDIO_CDROM_LEADOUT_TRACK);
if (CDIO_INVALID_LSN != i_last_lsn)
p_access->info.i_size = (int64_t) CDIO_CD_FRAMESIZE_RAW
* i_last_lsn ;
p_access->info.i_pos = (int64_t)
cdio_get_track_lsn( p_cdda->p_cdio, i_track )
* CDIO_CD_FRAMESIZE_RAW;
} else {
p_access->info.i_size = p_cdda->p_title[i]->i_size;
p_access->info.i_pos = 0;
}
p_access->info.i_update =
INPUT_UPDATE_TITLE | INPUT_UPDATE_SIZE;
/* Next sector to read */
p_cdda->i_lsn = cdio_get_track_lsn(p_cdda->p_cdio, i_track);
}
break;
}
case ACCESS_SET_PAUSE_STATE:
dbg_print( INPUT_DBG_META, "Pause");
if (p_cdda->b_audio_ctl)
cdda_audio_pause(p_cdda->p_cdio);
break;
case ACCESS_SET_SEEKPOINT:
dbg_print( INPUT_DBG_META, "set seekpoint");
return VLC_EGENERIC;
case ACCESS_SET_PRIVATE_ID_STATE:
dbg_print( INPUT_DBG_META, "set private id state");
return VLC_EGENERIC;
default:
msg_Warn( p_access, "unimplemented query in control" );
return VLC_EGENERIC;
}
return VLC_SUCCESS;
}
/*****************************************************************************
CDDAInit:
Initialize information pertaining to the CD: the number of tracks,
first track number, LSNs for each track and the leadout. The leadout
information is stored after the last track. The LSN array is
0-origin, same as p_access->info. Add first_track to get what track
number this is on the CD. Note: libcdio uses the real track number.
On input we assume p_cdda->p_cdio and p_cdda->i_track have been set.
We return the VLC-type status, e.g. VLC_SUCCESS, VLC_ENOMEM, etc.
*****************************************************************************/
static int CDDAInit( access_t *p_access, cdda_data_t *p_cdda )
{
discmode_t discmode = CDIO_DISC_MODE_NO_INFO;
p_cdda->i_tracks = cdio_get_num_tracks(p_cdda->p_cdio);
p_cdda->i_first_track = cdio_get_first_track_num(p_cdda->p_cdio);
discmode = cdio_get_discmode(p_cdda->p_cdio);
switch(discmode) {
case CDIO_DISC_MODE_CD_DA:
case CDIO_DISC_MODE_CD_MIXED:
/* These are possible for CD-DA */
break;
default:
/* These are not possible for CD-DA */
msg_Err( p_access,
"Disc seems not to be CD-DA. libcdio reports it is %s",
discmode2str[discmode]
);
return VLC_EGENERIC;
}
/* Set reading start LSN. */
p_cdda->i_lsn = cdio_get_track_lsn(p_cdda->p_cdio, p_cdda->i_track);
return VLC_SUCCESS;
}
/*
* Local variables:
* mode: C
* style: gnu
* End:
*/