* cdda.c : CD digital audio input module for vlc
*****************************************************************************
* Copyright (C) 2000, 2003 VideoLAN
- * $Id: cdda.c,v 1.14 2004/02/06 18:15:44 gbazin Exp $
+ * $Id$
*
* Authors: Laurent Aimar <fenrir@via.ecp.fr>
* Gildas Bazin <gbazin@netcourrier.com>
#include <vlc/vlc.h>
#include <vlc/input.h>
+#include "codecs.h"
#include "vcd/cdrom.h"
-typedef struct WAVEHEADER
-{
- uint32_t MainChunkID; // it will be 'RIFF'
- uint32_t Length;
- uint32_t ChunkTypeID; // it will be 'WAVE'
- uint32_t SubChunkID; // it will be 'fmt '
- uint32_t SubChunkLength;
- uint16_t Format;
- uint16_t Modus;
- uint32_t SampleFreq;
- uint32_t BytesPerSec;
- uint16_t BytesPerSample;
- uint16_t BitsPerSample;
- uint32_t DataChunkID; // it will be 'data'
- uint32_t DataLength;
-} WAVEHEADER;
-
/*****************************************************************************
* Module descriptior
*****************************************************************************/
-static int AccessOpen ( vlc_object_t * );
-static void AccessClose( vlc_object_t * );
+static int Open ( vlc_object_t * );
+static void Close( vlc_object_t * );
#define CACHING_TEXT N_("Caching value in ms")
#define CACHING_LONGTEXT N_( \
vlc_module_begin();
set_description( _("Audio CD input") );
+ set_capability( "access2", 10 );
+ set_callbacks( Open, Close );
+ add_usage_hint( N_("[cdda:][device][@[track]]") );
add_integer( "cdda-caching", DEFAULT_PTS_DELAY / 1000, NULL, CACHING_TEXT,
CACHING_LONGTEXT, VLC_TRUE );
-
- set_capability( "access", 70 );
- set_callbacks( AccessOpen, AccessClose );
add_shortcut( "cdda" );
+ add_shortcut( "cddasimple" );
vlc_module_end();
struct access_sys_t
{
vcddev_t *vcddev; /* vcd device descriptor */
- int i_nb_tracks; /* Nb of tracks (titles) */
- int i_track; /* Current track */
+
+ /* Title infos */
+ int i_titles;
+ input_title_t *title[99]; /* No more that 99 track in a cd-audio */
+
+ /* Current position */
int i_sector; /* Current Sector */
int * p_sectors; /* Track sectors */
- vlc_bool_t b_end_of_track; /* If the end of track was reached */
- WAVEHEADER waveheader; /* Wave header for the output data */
- int i_header_pos;
+ /* Wave header for the output data */
+ WAVEHEADER waveheader;
+ vlc_bool_t b_header;
};
-static int Read ( input_thread_t *, byte_t *, size_t );
-static void Seek ( input_thread_t *, off_t );
-static int SetArea ( input_thread_t *, input_area_t * );
-static int SetProgram( input_thread_t *, pgrm_descriptor_t * );
+static block_t *Block( access_t * );
+static int Seek( access_t *, int64_t );
+static int Control( access_t *, int, va_list );
/*****************************************************************************
- * AccessOpen: open cdda
+ * Open: open cdda
*****************************************************************************/
-static int AccessOpen( vlc_object_t *p_this )
+static int Open( vlc_object_t *p_this )
{
- input_thread_t * p_input = (input_thread_t *)p_this;
- access_sys_t * p_sys;
-
- char * psz_orig;
- char * psz_parser;
- char * psz_source;
- int i;
- input_area_t * p_area;
- int i_title = 1;
- vcddev_t *vcddev;
+ access_t *p_access = (access_t*)p_this;
+ access_sys_t *p_sys;
- /* parse the options passed in command line : */
- psz_orig = psz_parser = psz_source = strdup( p_input->psz_name );
-
- if( !psz_orig )
- {
- return( -1 );
- }
-
- while( *psz_parser && *psz_parser != '@' )
- {
- psz_parser++;
- }
+ vcddev_t *vcddev;
+ char *psz_name;
+ int i;
- if( *psz_parser == '@' )
+ if( !p_access->psz_path || !*p_access->psz_path )
{
- /* Found options */
- *psz_parser = '\0';
- ++psz_parser;
-
- i_title = (int)strtol( psz_parser, NULL, 10 );
- i_title = i_title ? i_title : 1;
- }
+ /* Only when selected */
+ if( !p_this->b_force ) return VLC_EGENERIC;
- if( !*psz_source )
- {
- /* No source specified, so figure it out. */
- if( !p_input->psz_access )
+ psz_name = var_CreateGetString( p_this, "cd-audio" );
+ if( !psz_name || !*psz_name )
{
- free( psz_orig );
+ if( psz_name ) free( psz_name );
return VLC_EGENERIC;
}
- psz_source = config_GetPsz( p_input, "cd-audio" );
- if( !psz_source ) return -1;
}
+ else psz_name = strdup( p_access->psz_path );
/* Open CDDA */
- if( !(vcddev = ioctl_Open( p_this, psz_source )) )
+ if( (vcddev = ioctl_Open( VLC_OBJECT(p_access), psz_name )) == NULL )
{
- msg_Warn( p_input, "could not open %s", psz_source );
- free( psz_source );
+ msg_Warn( p_access, "could not open %s", psz_name );
+ free( psz_name );
return VLC_EGENERIC;
}
- free( psz_source );
-
- p_input->p_access_data = p_sys = malloc( sizeof(access_sys_t) );
- if( p_sys == NULL )
- {
- msg_Err( p_input, "out of memory" );
- free( psz_source );
- return VLC_EGENERIC;
- }
-
+ free( psz_name );
+
+ /* Set up p_access */
+ p_access->pf_read = NULL;
+ p_access->pf_block = Block;
+ p_access->pf_control = Control;
+ p_access->pf_seek = Seek;
+ p_access->info.i_update = 0;
+ p_access->info.i_size = 0;
+ p_access->info.i_pos = 0;
+ p_access->info.b_eof = VLC_FALSE;
+ p_access->info.i_title = 0;
+ p_access->info.i_seekpoint = 0;
+ p_access->p_sys = p_sys = malloc( sizeof( access_sys_t ) );
+ memset( p_sys, 0, sizeof( access_sys_t ) );
p_sys->vcddev = vcddev;
-
- p_input->i_mtu = CDDA_DATA_ONCE;
+ p_sys->b_header = VLC_FALSE;
/* We read the Table Of Content information */
- p_sys->i_nb_tracks = ioctl_GetTracksMap( VLC_OBJECT(p_input),
- p_sys->vcddev, &p_sys->p_sectors );
- if( p_sys->i_nb_tracks < 0 )
+ p_sys->i_titles = ioctl_GetTracksMap( VLC_OBJECT(p_access),
+ p_sys->vcddev, &p_sys->p_sectors );
+ if( p_sys->i_titles < 0 )
{
- msg_Err( p_input, "unable to count tracks" );
+ msg_Err( p_access, "unable to count tracks" );
+ goto error;
}
- else if( p_sys->i_nb_tracks <= 0 )
+ else if( p_sys->i_titles <= 0 )
{
- msg_Err( p_input, "no audio tracks found" );
+ msg_Err( p_access, "no audio tracks found" );
+ goto error;
}
- if( p_sys->i_nb_tracks <= 0 )
+ /* Build title table */
+ for( i = 0; i < p_sys->i_titles; i++ )
{
- ioctl_Close( p_this, p_sys->vcddev );
- free( p_sys );
- return VLC_EGENERIC;
- }
-
- if( i_title >= p_sys->i_nb_tracks || i_title < 1 )
- {
- i_title = 1;
- }
-
- /* Set stream and area data */
- vlc_mutex_lock( &p_input->stream.stream_lock );
-
- /* Initialize ES structures */
- input_InitStream( p_input, 0 );
+ input_title_t *t = p_sys->title[i] = vlc_input_title_New();
- /* cdda input method */
- p_input->stream.i_method = INPUT_METHOD_CDDA;
+ msg_Dbg( p_access, "title[%d] start=%d", i, p_sys->p_sectors[i] );
+ msg_Dbg( p_access, "title[%d] end=%d", i, p_sys->p_sectors[i+1] );
- p_input->stream.b_pace_control = 1;
- p_input->stream.b_seekable = 1;
- p_input->stream.i_mux_rate = 44100 * 4 / 50;
+ asprintf( &t->psz_name, _("Track %i"), i + 1 );
+ t->i_size = ( p_sys->p_sectors[i+1] - p_sys->p_sectors[i] ) *
+ (int64_t)CDDA_DATA_SIZE;
-#define area p_input->stream.pp_areas
- for( i = 1 ; i <= p_sys->i_nb_tracks ; i++ )
- {
- input_AddArea( p_input, i, 1 );
-
- /* Absolute start offset and size */
- area[i]->i_start =
- (off_t)p_sys->p_sectors[i-1] * (off_t)CDDA_DATA_SIZE;
- area[i]->i_size =
- (off_t)(p_sys->p_sectors[i] - p_sys->p_sectors[i-1])
- * (off_t)CDDA_DATA_SIZE;
+ t->i_length = I64C(1000000) * t->i_size / 44100 / 4;
}
-#undef area
-
- p_area = p_input->stream.pp_areas[i_title];
-
- SetArea( p_input, p_area );
-
- vlc_mutex_unlock( &p_input->stream.stream_lock );
-
- p_input->pf_read = Read;
- p_input->pf_seek = Seek;
- p_input->pf_set_area = SetArea;
- p_input->pf_set_program = SetProgram;
- /* Update default_pts to a suitable value for cdda access */
- p_input->i_pts_delay = config_GetInt( p_input, "cdda-caching" ) * 1000;
+ p_sys->i_sector = p_sys->p_sectors[0];
+ p_access->info.i_size = p_sys->title[0]->i_size;
/* Build a WAV header for the output data */
memset( &p_sys->waveheader, 0, sizeof(WAVEHEADER) );
SetWLE( &p_sys->waveheader.BytesPerSample,
2 /*Modus*/ * 16 /*BitsPerSample*/ / 8 );
SetDWLE( &p_sys->waveheader.BytesPerSec,
- 16 /*BytesPerSample*/ * 44100 /*SampleFreq*/ );
+ 2*16/8 /*BytesPerSample*/ * 44100 /*SampleFreq*/ );
p_sys->waveheader.DataChunkID = VLC_FOURCC('d', 'a', 't', 'a');
p_sys->waveheader.DataLength = 0; /* we just don't know */
- p_sys->i_header_pos = 0;
+ /* PTS delay */
+ var_Create( p_access, "cdda-caching", VLC_VAR_INTEGER|VLC_VAR_DOINHERIT );
return VLC_SUCCESS;
+
+error:
+ ioctl_Close( VLC_OBJECT(p_access), p_sys->vcddev );
+ free( p_sys );
+ return VLC_EGENERIC;
}
/*****************************************************************************
- * AccessClose: closes cdda
+ * Close: closes cdda
*****************************************************************************/
-static void AccessClose( vlc_object_t *p_this )
+static void Close( vlc_object_t *p_this )
{
- input_thread_t *p_input = (input_thread_t *)p_this;
- access_sys_t *p_sys = p_input->p_access_data;
+ access_t *p_access = (access_t *)p_this;
+ access_sys_t *p_sys = p_access->p_sys;
+ int i;
+
+ for( i = 0; i < p_sys->i_titles; i++ )
+ {
+ vlc_input_title_Delete( p_sys->title[i] );
+ }
ioctl_Close( p_this, p_sys->vcddev );
free( p_sys );
}
/*****************************************************************************
- * Read: reads from the CDDA into PES packets.
- *****************************************************************************
- * Returns -1 in case of error, 0 in case of EOF, otherwise the number of
- * bytes.
+ * Block: read data (CDDA_DATA_ONCE)
*****************************************************************************/
-static int Read( input_thread_t * p_input, byte_t * p_buffer, size_t i_len )
+static block_t *Block( access_t *p_access )
{
- access_sys_t *p_sys = p_input->p_access_data;
- int i_blocks = i_len / CDDA_DATA_SIZE;
- int i_read = 0;
- int i_index;
+ access_sys_t *p_sys = p_access->p_sys;
+ int i_blocks = CDDA_BLOCKS_ONCE;
+ block_t *p_block;
- if( !p_sys->i_header_pos )
- {
- p_sys->i_header_pos = sizeof(WAVEHEADER);
- i_blocks = (i_len - sizeof(WAVEHEADER)) / CDDA_DATA_SIZE;
- memcpy( p_buffer, &p_sys->waveheader, sizeof(WAVEHEADER) );
- p_buffer += sizeof(WAVEHEADER);
- }
+ /* Check end of file */
+ if( p_access->info.b_eof ) return NULL;
- if( ioctl_ReadSectors( VLC_OBJECT(p_input), p_sys->vcddev, p_sys->i_sector,
- p_buffer, i_blocks, CDDA_TYPE ) < 0 )
+ if( !p_sys->b_header )
{
- msg_Err( p_input, "could not read sector %d", p_sys->i_sector );
- return -1;
+ /* Return only the header */
+ p_block = block_New( p_access, sizeof( WAVEHEADER ) );
+ memcpy( p_block->p_buffer, &p_sys->waveheader, sizeof(WAVEHEADER) );
+ p_sys->b_header = VLC_TRUE;
+ return p_block;
}
- for( i_index = 0; i_index < i_blocks; i_index++ )
+ /* Check end of title */
+ while( p_sys->i_sector >= p_sys->p_sectors[p_access->info.i_title + 1] )
{
- p_sys->i_sector ++;
- if( p_sys->i_sector == p_sys->p_sectors[p_sys->i_track + 1] )
+ if( p_access->info.i_title + 1 >= p_sys->i_titles )
{
- input_area_t *p_area;
-
- if ( p_sys->i_track >= p_sys->i_nb_tracks - 1 )
- {
- return 0; /* EOF */
- }
-
- vlc_mutex_lock( &p_input->stream.stream_lock );
- p_area = p_input->stream.pp_areas[
- p_input->stream.p_selected_area->i_id + 1 ];
-
- msg_Dbg( p_input, "new title" );
-
- p_area->i_part = 1;
- SetArea( p_input, p_area );
- vlc_mutex_unlock( &p_input->stream.stream_lock );
+ p_access->info.b_eof = VLC_TRUE;
+ return NULL;
}
- i_read += CDDA_DATA_SIZE;
+
+ p_access->info.i_update |= INPUT_UPDATE_TITLE | INPUT_UPDATE_SIZE;
+ p_access->info.i_title++;
+ p_access->info.i_size = p_sys->title[p_access->info.i_title]->i_size;
+ p_access->info.i_pos = 0;
}
- if ( i_len % CDDA_DATA_SIZE ) /* this should not happen */
+ /* Don't read after the end of a title */
+ if( p_sys->i_sector + i_blocks >=
+ p_sys->p_sectors[p_access->info.i_title + 1] )
{
- msg_Err( p_input, "must read full sectors" );
+ i_blocks = p_sys->p_sectors[p_access->info.i_title + 1 ] -
+ p_sys->i_sector;
}
- return i_read;
-}
-
-/*****************************************************************************
- * SetProgram: Does nothing since a CDDA is mono_program
- *****************************************************************************/
-static int SetProgram( input_thread_t * p_input,
- pgrm_descriptor_t * p_program)
-{
- return VLC_EGENERIC;
-}
-
-/*****************************************************************************
- * SetArea: initialize input data for title x.
- * It should be called for each user navigation request.
- ****************************************************************************/
-static int SetArea( input_thread_t * p_input, input_area_t * p_area )
-{
- access_sys_t *p_sys = p_input->p_access_data;
- vlc_value_t val;
-
- /* we can't use the interface slider until initilization is complete */
- p_input->stream.b_seekable = 0;
-
- if( p_area != p_input->stream.p_selected_area )
+ /* Do the actual reading */
+ if( !( p_block = block_New( p_access, i_blocks * CDDA_DATA_SIZE ) ) )
{
- /* Change the default area */
- p_input->stream.p_selected_area = p_area;
-
- /* Change the current track */
- p_sys->i_track = p_area->i_id - 1;
- p_sys->i_sector = p_sys->p_sectors[p_sys->i_track];
-
- /* Update the navigation variables without triggering a callback */
- val.i_int = p_area->i_id;
- var_Change( p_input, "title", VLC_VAR_SETVALUE, &val, NULL );
+ msg_Err( p_access, "cannot get a new block of size: %i",
+ i_blocks * CDDA_DATA_SIZE );
+ return NULL;
}
- p_sys->i_sector = p_sys->p_sectors[p_sys->i_track];
+ if( ioctl_ReadSectors( VLC_OBJECT(p_access), p_sys->vcddev,
+ p_sys->i_sector, p_block->p_buffer, i_blocks, CDDA_TYPE ) < 0 )
+ {
+ msg_Err( p_access, "cannot read sector %i", p_sys->i_sector );
+ block_Release( p_block );
- p_input->stream.p_selected_area->i_tell =
- (off_t)p_sys->i_sector * (off_t)CDDA_DATA_SIZE
- - p_input->stream.p_selected_area->i_start;
+ /* Try to skip one sector (in case of bad sectors) */
+ p_sys->i_sector++;
+ p_access->info.i_pos += CDDA_DATA_SIZE;
+ return NULL;
+ }
- /* warn interface that something has changed */
- p_input->stream.b_seekable = 1;
- p_input->stream.b_changed = 1;
+ /* Update a few values */
+ p_sys->i_sector += i_blocks;
+ p_access->info.i_pos += p_block->i_buffer;
- return 0;
+ return p_block;
}
/****************************************************************************
* Seek
****************************************************************************/
-static void Seek( input_thread_t * p_input, off_t i_off )
+static int Seek( access_t *p_access, int64_t i_pos )
{
- access_sys_t * p_sys = p_input->p_access_data;
+ access_sys_t *p_sys = p_access->p_sys;
+
+ /* Next sector to read */
+ p_sys->i_sector = p_sys->p_sectors[p_access->info.i_title] +
+ i_pos / CDDA_DATA_SIZE;
+ p_access->info.i_pos = i_pos;
- p_sys->i_sector = p_sys->p_sectors[p_sys->i_track]
- + i_off / (off_t)CDDA_DATA_SIZE;
+ return VLC_SUCCESS;
+}
- vlc_mutex_lock( &p_input->stream.stream_lock );
- p_input->stream.p_selected_area->i_tell =
- (off_t)p_sys->i_sector * (off_t)CDDA_DATA_SIZE
- - p_input->stream.p_selected_area->i_start;
- vlc_mutex_unlock( &p_input->stream.stream_lock );
+/*****************************************************************************
+ * Control:
+ *****************************************************************************/
+static int Control( access_t *p_access, int i_query, va_list args )
+{
+ access_sys_t *p_sys = p_access->p_sys;
+ vlc_bool_t *pb_bool;
+ int *pi_int;
+ int64_t *pi_64;
+ input_title_t ***ppp_title;
+ int i;
+
+ switch( i_query )
+ {
+ /* */
+ case ACCESS_CAN_SEEK:
+ case ACCESS_CAN_FASTSEEK:
+ case ACCESS_CAN_PAUSE:
+ case ACCESS_CAN_CONTROL_PACE:
+ pb_bool = (vlc_bool_t*)va_arg( args, vlc_bool_t* );
+ *pb_bool = VLC_TRUE;
+ break;
+
+ /* */
+ case ACCESS_GET_MTU:
+ pi_int = (int*)va_arg( args, int * );
+ *pi_int = CDDA_DATA_ONCE;
+ break;
+
+ case ACCESS_GET_PTS_DELAY:
+ pi_64 = (int64_t*)va_arg( args, int64_t * );
+ *pi_64 = var_GetInteger( p_access, "cdda-caching" ) * 1000;
+ break;
+
+ /* */
+ case ACCESS_SET_PAUSE_STATE:
+ break;
+
+ case ACCESS_GET_TITLE_INFO:
+ 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 */
+
+ /* Duplicate title infos */
+ *pi_int = p_sys->i_titles;
+ *ppp_title = malloc(sizeof( input_title_t **) * p_sys->i_titles );
+ for( i = 0; i < p_sys->i_titles; i++ )
+ {
+ (*ppp_title)[i] = vlc_input_title_Duplicate( p_sys->title[i] );
+ }
+ break;
+
+ case ACCESS_SET_TITLE:
+ i = (int)va_arg( args, int );
+ if( i != p_access->info.i_title )
+ {
+ /* Update info */
+ p_access->info.i_update |=
+ INPUT_UPDATE_TITLE|INPUT_UPDATE_SIZE;
+ p_access->info.i_title = i;
+ p_access->info.i_size = p_sys->title[i]->i_size;
+ p_access->info.i_pos = 0;
+
+ /* Next sector to read */
+ p_sys->i_sector = p_sys->p_sectors[i];
+ }
+ break;
+
+ case ACCESS_SET_SEEKPOINT:
+ case ACCESS_SET_PRIVATE_ID_STATE:
+ return VLC_EGENERIC;
+
+ default:
+ msg_Warn( p_access, "unimplemented query in control" );
+ return VLC_EGENERIC;
+
+ }
+ return VLC_SUCCESS;
}
projects / vlc / blobdiff