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vlc-1.1
Commit 3e666faf authored by Laurent Aimar's avatar Laurent Aimar
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* vcd/vcd.c: ported to access2. 

 * access2: added chapter support.
parent d279ea85
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Showing with 459 additions and 143 deletions
modules/access/access2.c
View file @ 3e666faf
...@@ -64,6 +64,9 @@ vlc_module_begin(); ...@@ -64,6 +64,9 @@ vlc_module_begin();
add_shortcut( "mmsh" ); add_shortcut( "mmsh" );
add_shortcut( "mmst" ); add_shortcut( "mmst" );
add_shortcut( "mmsu" ); add_shortcut( "mmsu" );
add_shortcut( "vcd" );
add_shortcut( "svcd" );
vlc_module_end(); vlc_module_end();
/***************************************************************************** /*****************************************************************************
...@@ -86,6 +89,8 @@ typedef struct ...@@ -86,6 +89,8 @@ typedef struct
} access2_sys_t; } access2_sys_t;
static void UpdateInfo( input_thread_t *p_input, vlc_bool_t b_force_chapter );
/***************************************************************************** /*****************************************************************************
* Access2Open: initializes structures * Access2Open: initializes structures
*****************************************************************************/ *****************************************************************************/
...@@ -299,38 +304,10 @@ update: ...@@ -299,38 +304,10 @@ update:
} }
p_sys->b_first_read = VLC_FALSE; p_sys->b_first_read = VLC_FALSE;
} }
/* Title change */
if( p_access->info.i_update & INPUT_UPDATE_TITLE )
{
vlc_value_t val;
msg_Dbg( p_input, "INPUT_UPDATE_TITLE" );
vlc_mutex_lock( &p_input->stream.stream_lock );
p_input->stream.p_selected_area = p_input->stream.pp_areas[p_access->info.i_title+1];
p_input->stream.b_changed = VLC_TRUE;
vlc_mutex_unlock( &p_input->stream.stream_lock );
val.i_int = p_access->info.i_title+1; vlc_mutex_lock( &p_input->stream.stream_lock );
var_Change( p_input, "title", VLC_VAR_SETVALUE, &val, NULL ); UpdateInfo( p_input, VLC_FALSE );
vlc_mutex_unlock( &p_input->stream.stream_lock );
p_access->info.i_update &= ~INPUT_UPDATE_TITLE;
}
/* Size change */
if( p_access->info.i_update & INPUT_UPDATE_SIZE )
{
vlc_mutex_lock( &p_input->stream.stream_lock );
p_input->stream.p_selected_area->i_size = p_access->info.i_size;
p_input->stream.b_changed = VLC_TRUE;
vlc_mutex_unlock( &p_input->stream.stream_lock );
p_access->info.i_update &= ~INPUT_UPDATE_SIZE;
}
if( p_access->info.i_update & INPUT_UPDATE_SEEKPOINT )
{
/* TODO */
msg_Err( p_input, "INPUT_UPDATE_SEEKPOINT to do" );
}
return i_total; return i_total;
} }
...@@ -343,7 +320,7 @@ static int Access2SetArea( input_thread_t * p_input, input_area_t * p_area ) ...@@ -343,7 +320,7 @@ static int Access2SetArea( input_thread_t * p_input, input_area_t * p_area )
{ {
access2_sys_t *p_sys = (access2_sys_t*)p_input->p_access_data; access2_sys_t *p_sys = (access2_sys_t*)p_input->p_access_data;
access_t *p_access = p_sys->p_access; access_t *p_access = p_sys->p_access;
vlc_value_t val; int i_seekpoint = p_area->i_part - 1;
/* we can't use the interface slider until initilization is complete */ /* we can't use the interface slider until initilization is complete */
p_input->stream.b_seekable = 0; p_input->stream.b_seekable = 0;
...@@ -354,18 +331,21 @@ static int Access2SetArea( input_thread_t * p_input, input_area_t * p_area ) ...@@ -354,18 +331,21 @@ static int Access2SetArea( input_thread_t * p_input, input_area_t * p_area )
if( access2_Control( p_access, ACCESS_SET_TITLE, (int)(p_area->i_id - 1) ) ) if( access2_Control( p_access, ACCESS_SET_TITLE, (int)(p_area->i_id - 1) ) )
return VLC_EGENERIC; return VLC_EGENERIC;
/* Change the default area */ p_input->stream.p_selected_area = p_area;
p_input->stream.p_selected_area = p_input->stream.pp_areas[p_access->info.i_title+1]; }
p_input->stream.p_selected_area->i_tell = p_access->info.i_pos; fprintf( stderr, "Access2SetArea: part=%d seekpart=%d nbseekpoint=%d\n",
p_area->i_part, i_seekpoint, p_sys->title[p_access->info.i_title]->i_seekpoint );
/* Update the navigation variables without triggering a callback */
val.i_int = p_access->info.i_title+1;;
var_Change( p_input, "title", VLC_VAR_SETVALUE, &val, NULL );
/* Clear the flag */ if( i_seekpoint != p_access->info.i_seekpoint &&
p_access->info.i_update &= ~INPUT_UPDATE_TITLE; i_seekpoint >= 0 &&
i_seekpoint < p_sys->title[p_access->info.i_title]->i_seekpoint )
{
msg_Dbg( p_input, "setting seekpoint" );
access2_Control( p_access, ACCESS_SET_SEEKPOINT, (int)i_seekpoint );
} }
UpdateInfo( p_input, VLC_TRUE );
/* warn interface that something has changed */ /* warn interface that something has changed */
p_input->stream.b_seekable = VLC_TRUE; p_input->stream.b_seekable = VLC_TRUE;
p_input->stream.b_changed = VLC_TRUE; p_input->stream.b_changed = VLC_TRUE;
...@@ -412,3 +392,62 @@ static int Access2Control( input_thread_t *p_input, int i_query, va_list args ) ...@@ -412,3 +392,62 @@ static int Access2Control( input_thread_t *p_input, int i_query, va_list args )
return access2_vaControl( p_access, i_query, args ); return access2_vaControl( p_access, i_query, args );
} }
/*****************************************************************************
* UpdateInfo:
*****************************************************************************/
static void UpdateInfo( input_thread_t *p_input, vlc_bool_t b_force_chapter )
{
access2_sys_t *p_sys = (access2_sys_t*)p_input->p_access_data;
access_t *p_access = p_sys->p_access;
/* Title change */
if( p_access->info.i_update & INPUT_UPDATE_TITLE )
{
int i_seekpoint;
int i;
vlc_value_t val;
msg_Dbg( p_input, "INPUT_UPDATE_TITLE" );
p_input->stream.p_selected_area = p_input->stream.pp_areas[p_access->info.i_title+1];
p_input->stream.p_selected_area->i_part = 1;
p_input->stream.p_selected_area->i_tell = p_access->info.i_pos;
p_input->stream.b_changed = VLC_TRUE;
val.i_int = p_access->info.i_title+1;
var_Change( p_input, "title", VLC_VAR_SETVALUE, &val, NULL );
var_Change( p_input, "chapter", VLC_VAR_CLEARCHOICES, NULL, NULL );
i_seekpoint = p_sys->title[p_access->info.i_title]->i_seekpoint;
for( i = 0; i < i_seekpoint ? i_seekpoint : 0; i++ )
{
val.i_int = i + 1;
var_Change( p_input, "chapter", VLC_VAR_ADDCHOICE, &val, NULL );
}
p_access->info.i_update &= ~INPUT_UPDATE_TITLE;
}
/* b_force_chapter: don't force a chapter change when a there is
* pending user one (as it reset i_part */
if( p_access->info.i_update & INPUT_UPDATE_SEEKPOINT &&
( b_force_chapter || !p_input->stream.p_new_area ) )
{
vlc_value_t val;
/* TODO is it complete ? */
p_input->stream.p_selected_area->i_part = p_access->info.i_seekpoint + 1;
val.i_int = p_input->stream.p_selected_area->i_part;
var_Change( p_input, "chapter", VLC_VAR_SETVALUE, &val, NULL );
p_access->info.i_update &= ~INPUT_UPDATE_SEEKPOINT;
}
/* Size change */
if( p_access->info.i_update & INPUT_UPDATE_SIZE )
{
p_input->stream.p_selected_area->i_size = p_access->info.i_size;
p_input->stream.b_changed = VLC_TRUE;
p_access->info.i_update &= ~INPUT_UPDATE_SIZE;
}
}
modules/access/vcd/vcd.c
View file @ 3e666faf
...@@ -37,12 +37,20 @@ ...@@ -37,12 +37,20 @@
static int Open ( vlc_object_t * ); static int Open ( vlc_object_t * );
static void Close( vlc_object_t * ); static void Close( vlc_object_t * );
#define CACHING_TEXT N_("Caching value in ms")
#define CACHING_LONGTEXT N_( \
"Allows you to modify the default caching value for cdda streams. This " \
"value should be set in milliseconds units." )
vlc_module_begin(); vlc_module_begin();
set_description( _("VCD input") ); set_description( _("VCD input") );
set_capability( "access", 80 ); set_capability( "access2", 10 );
set_callbacks( Open, Close ); set_callbacks( Open, Close );
add_usage_hint( N_("[vcd:][device][@[title][,[chapter]]]") ); add_usage_hint( N_("[vcd:][device][@[title][,[chapter]]]") );
add_integer( "vcd-caching", DEFAULT_PTS_DELAY / 1000, NULL, CACHING_TEXT,
CACHING_LONGTEXT, VLC_TRUE );
add_shortcut( "vcd" );
add_shortcut( "svcd" ); add_shortcut( "svcd" );
vlc_module_end(); vlc_module_end();
...@@ -57,37 +65,35 @@ vlc_module_end(); ...@@ -57,37 +65,35 @@ vlc_module_end();
struct access_sys_t struct access_sys_t
{ {
vcddev_t *vcddev; /* vcd device descriptor */ 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 vcd ? */
int i_sector; /* Current Sector */ int i_sector; /* Current Sector */
int * p_sectors; /* Track sectors */ int *p_sectors; /* Track sectors */
int i_entries_nb; /* Number of entry points */
int * p_entries; /* Entry points */
vlc_bool_t b_valid_ep; /* Valid entry points flag */
vlc_bool_t b_end_of_track; /* If the end of track was reached */
}; };
static int VCDRead ( input_thread_t *, byte_t *, size_t ); static block_t *Block( access_t * );
static void VCDSeek ( input_thread_t *, off_t ); static int Seek( access_t *, int64_t );
static int VCDSetArea ( input_thread_t *, input_area_t * ); static int Control( access_t *, int, va_list );
static int VCDSetProgram ( input_thread_t *, pgrm_descriptor_t * );
static int VCDEntryPoints ( input_thread_t * ); static int EntryPoints( access_t * );
/***************************************************************************** /*****************************************************************************
* VCDOpen: open vcd * VCDOpen: open vcd
*****************************************************************************/ *****************************************************************************/
static int Open( vlc_object_t *p_this ) static int Open( vlc_object_t *p_this )
{ {
input_thread_t *p_input = (input_thread_t *)p_this; access_t *p_access = (access_t *)p_this;
access_sys_t *p_sys; access_sys_t *p_sys;
char *psz_dup = strdup( p_input->psz_name ); char *psz_dup = strdup( p_access->psz_path );
char *psz; char *psz;
int i_title = 0;
int i; int i_chapter = 0;
input_area_t * p_area; int i;
int i_title = 0; vcddev_t *vcddev;
int i_chapter = 0;
vcddev_t *vcddev;
/* Command line: vcd://[dev_path][@title[,chapter]] */ /* Command line: vcd://[dev_path][@title[,chapter]] */
if( ( psz = strchr( psz_dup, '@' ) ) ) if( ( psz = strchr( psz_dup, '@' ) ) )
...@@ -96,9 +102,7 @@ static int Open( vlc_object_t *p_this ) ...@@ -96,9 +102,7 @@ static int Open( vlc_object_t *p_this )
i_title = strtol( psz, &psz, 0 ); i_title = strtol( psz, &psz, 0 );
if( *psz ) if( *psz )
{ i_chapter = strtol( psz+1, &psz, 0 );
i_chapter = strtol( psz, &psz, 0 );
}
} }
if( *psz_dup == '\0' ) if( *psz_dup == '\0' )
...@@ -106,10 +110,10 @@ static int Open( vlc_object_t *p_this ) ...@@ -106,10 +110,10 @@ static int Open( vlc_object_t *p_this )
free( psz_dup ); free( psz_dup );
/* Only when selected */ /* Only when selected */
if( *p_input->psz_access == '\0' ) if( *p_access->psz_access == '\0' )
return VLC_EGENERIC; return VLC_EGENERIC;
psz_dup = var_CreateGetString( p_input, "vcd" ); psz_dup = var_CreateGetString( p_access, "vcd" );
if( *psz_dup == '\0' ) if( *psz_dup == '\0' )
{ {
free( psz_dup ); free( psz_dup );
...@@ -120,125 +124,397 @@ static int Open( vlc_object_t *p_this ) ...@@ -120,125 +124,397 @@ static int Open( vlc_object_t *p_this )
/* Open VCD */ /* Open VCD */
if( !(vcddev = ioctl_Open( p_this, psz_dup )) ) if( !(vcddev = ioctl_Open( p_this, psz_dup )) )
{ {
msg_Warn( p_input, "could not open %s", psz_dup ); msg_Warn( p_access, "could not open %s", psz_dup );
free( psz_dup ); free( psz_dup );
return VLC_EGENERIC; return VLC_EGENERIC;
} }
free( psz_dup );
p_sys = malloc( sizeof(access_sys_t) ); /* Set up p_access */
if( p_sys == NULL ) 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;
/* We read the Table Of Content information */
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, "out of memory" ); msg_Err( p_access, "unable to count tracks" );
free( psz_dup ); goto error;
return VLC_EGENERIC;
} }
free( psz_dup ); else if( p_sys->i_titles <= 1 )
{
msg_Err( p_access, "no movie tracks found" );
goto error;
}
/* The first title isn't usable */
p_sys->i_titles--;
p_sys->vcddev = vcddev; /* Build title table */
p_input->p_access_data = (void *)p_sys; for( i = 0; i < p_sys->i_titles; i++ )
{
input_title_t *t = p_sys->title[i] = vlc_input_title_New();
p_input->i_mtu = VCD_DATA_ONCE; fprintf( stderr, "title[%d] start=%d\n", i, p_sys->p_sectors[1+i] );
fprintf( stderr, "title[%d] end=%d\n", i, p_sys->p_sectors[i+2] );
vlc_mutex_lock( &p_input->stream.stream_lock ); t->i_size = ( p_sys->p_sectors[i+2] - p_sys->p_sectors[i+1] ) *
p_input->stream.b_pace_control = 1; (int64_t)VCD_DATA_SIZE;
p_input->stream.b_seekable = 1; }
p_input->stream.p_selected_area->i_size = 0;
p_input->stream.p_selected_area->i_tell = 0;
vlc_mutex_unlock( &p_input->stream.stream_lock );
/* We read the Table Of Content information */ /* Map entry points into chapters */
p_sys->i_nb_tracks = ioctl_GetTracksMap( VLC_OBJECT(p_input), if( EntryPoints( p_access ) )
p_sys->vcddev, &p_sys->p_sectors ); {
if( p_sys->i_nb_tracks < 0 ) msg_Warn( p_access, "could not read entry points, will not use them" );
msg_Err( p_input, "unable to count tracks" );
else if( p_sys->i_nb_tracks <= 1 )
msg_Err( p_input, "no movie tracks found" );
if( p_sys->i_nb_tracks <= 1)
{
ioctl_Close( p_this, p_sys->vcddev );
free( p_sys );
return -1;
} }
/* Allocate the entry points table */ /* Starting title/chapter and sector */
p_sys->p_entries = malloc( p_sys->i_nb_tracks * sizeof( int ) ); if( i_title >= p_sys->i_titles )
i_title = 0;
if( i_chapter >= p_sys->title[i_title]->i_seekpoint )
i_chapter = 0;
if( p_sys->p_entries == NULL ) p_sys->i_sector = p_sys->p_sectors[1+i_title];
if( i_chapter > 0 )
{ {
msg_Err( p_input, "not enough memory" ); int64_t i_off = p_sys->title[i_title]->seekpoint[i_chapter]->i_byte_offset;
ioctl_Close( p_this, p_sys->vcddev ); p_sys->i_sector += i_off / VCD_DATA_SIZE;
free( p_sys );
} }
p_access->info.i_title = i_title;
p_access->info.i_seekpoint = i_chapter;
p_access->info.i_size = p_sys->title[i_title]->i_size;
p_access->info.i_pos = ( p_sys->i_sector - p_sys->p_sectors[1+i_title] ) * VCD_DATA_SIZE;
/* Set stream and area data */ p_access->psz_demux = strdup( "ps2" );
vlc_mutex_lock( &p_input->stream.stream_lock );
/* Initialize ES structures */ return VLC_SUCCESS;
input_InitStream( p_input, 0 );
/* disc input method */ error:
p_input->stream.i_method = INPUT_METHOD_VCD; ioctl_Close( VLC_OBJECT(p_access), p_sys->vcddev );
free( p_sys );
return VLC_EGENERIC;
}
p_input->stream.i_area_nb = 1; /*****************************************************************************
* Close: closes vcd
*****************************************************************************/
static void Close( vlc_object_t *p_this )
{
access_t *p_access = (access_t *)p_this;
access_sys_t *p_sys = p_access->p_sys;
ioctl_Close( p_this, p_sys->vcddev );
free( p_sys );
}
#define area p_input->stream.pp_areas /*****************************************************************************
for( i = 1 ; i < p_sys->i_nb_tracks; i++ ) * 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 )
{ {
/* Titles are Program Chains */ /* */
input_AddArea( p_input, i, 1 ); 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 = VCD_DATA_ONCE;
break;
case ACCESS_GET_PTS_DELAY:
pi_64 = (int64_t*)va_arg( args, int64_t * );
*pi_64 = (int64_t)var_GetInteger( p_access, "vcd-caching" ) * I64C(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* );
/* 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;
/* Absolute start offset and size */ case ACCESS_SET_TITLE:
area[i]->i_start = (off_t)p_sys->p_sectors[i] * (off_t)VCD_DATA_SIZE; i = (int)va_arg( args, int );
area[i]->i_size = (off_t)(p_sys->p_sectors[i+1] - p_sys->p_sectors[i]) if( i != p_access->info.i_title )
* (off_t)VCD_DATA_SIZE; {
/* Update info */
p_access->info.i_update |= INPUT_UPDATE_TITLE|INPUT_UPDATE_SEEKPOINT|INPUT_UPDATE_SIZE;
p_access->info.i_title = i;
p_access->info.i_seekpoint = 0;
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[1+i];
}
break;
/* Default Chapter */ case ACCESS_SET_SEEKPOINT:
area[i]->i_part = 1; {
input_title_t *t = p_sys->title[p_access->info.i_title];
i = (int)va_arg( args, int );
if( t->i_seekpoint > 0 )
{
p_access->info.i_update |= INPUT_UPDATE_SEEKPOINT;
p_access->info.i_seekpoint = i;
p_sys->i_sector = p_sys->p_sectors[1+p_access->info.i_title] +
t->seekpoint[i]->i_byte_offset / VCD_DATA_SIZE;
p_access->info.i_pos = (int64_t)(p_sys->i_sector - p_sys->p_sectors[1+p_access->info.i_title] ) *
(int64_t)VCD_DATA_SIZE;
}
return VLC_SUCCESS;
}
default:
msg_Err( p_access, "unimplemented query in control" );
return VLC_EGENERIC;
/* i_plugin_data is used to store which entry point is the first
* of the track (area) */
area[i]->i_plugin_data = 0;
} }
#undef area return VLC_SUCCESS;
}
/*****************************************************************************
* Block:
*****************************************************************************/
static block_t *Block( access_t *p_access )
{
access_sys_t *p_sys = p_access->p_sys;
int i_skip = p_access->info.i_pos % VCD_DATA_SIZE;
block_t *p_block;
int i_blocks;
int i_read;
int i;
if( p_access->info.b_eof )
return NULL;
p_area = p_input->stream.pp_areas[__MIN(i_title,p_sys->i_nb_tracks -1)]; /* Read raw data */
i_blocks = VCD_BLOCKS_ONCE;
p_sys->b_valid_ep = 1; /* Don't read after a title */
if( VCDEntryPoints( p_input ) < 0 ) if( p_sys->i_sector + i_blocks >= p_sys->p_sectors[p_access->info.i_title + 2] )
{ {
msg_Warn( p_input, "could not read entry points, will not use them" ); i_blocks = p_sys->p_sectors[p_access->info.i_title + 2 ] - p_sys->i_sector;
p_sys->b_valid_ep = 0; if( i_blocks <= 0 ) i_blocks = 1; /* Should never occur */
} }
VCDSetArea( p_input, p_area ); p_block = block_New( p_access, i_blocks * VCD_DATA_SIZE );
vlc_mutex_unlock( &p_input->stream.stream_lock ); if( ioctl_ReadSectors( VLC_OBJECT(p_access), p_sys->vcddev, p_sys->i_sector,
p_block->p_buffer, i_blocks, VCD_TYPE ) < 0 )
{
msg_Err( p_access, "cannot read a sector" );
block_Release( p_block );
if( !p_input->psz_demux || !*p_input->psz_demux ) p_block = NULL;
i_blocks = 1; /* Next sector */
}
i_read = 0;
for( i = 0; i < i_blocks; i++ )
{ {
p_input->psz_demux = "ps"; input_title_t *t = p_sys->title[p_access->info.i_title];
/* A good sector read */
i_read++;
p_sys->i_sector++;
/* Check end of title */
if( p_sys->i_sector >= p_sys->p_sectors[p_access->info.i_title + 2] )
{
if( p_access->info.i_title + 2 >= p_sys->i_titles )
{
p_access->info.b_eof = VLC_TRUE;
break;
}
p_access->info.i_update |= INPUT_UPDATE_TITLE|INPUT_UPDATE_SEEKPOINT|INPUT_UPDATE_SIZE;
p_access->info.i_title++;
p_access->info.i_seekpoint = 0;
p_access->info.i_size = p_sys->title[p_access->info.i_title]->i_size;
p_access->info.i_pos = 0;
}
else if( t->i_seekpoint > 0 &&
p_access->info.i_seekpoint + 1 < t->i_seekpoint &&
p_access->info.i_pos - i_skip + i_read * VCD_DATA_SIZE >= t->seekpoint[p_access->info.i_seekpoint+1]->i_byte_offset )
{
fprintf( stderr, "seekpoint change\n" );
p_access->info.i_update |= INPUT_UPDATE_SEEKPOINT;
p_access->info.i_seekpoint++;
}
/* TODO */
} }
p_input->pf_read = VCDRead; if( i_read <= 0 )
p_input->pf_seek = VCDSeek; {
p_input->pf_set_area = VCDSetArea; block_Release( p_block );
p_input->pf_set_program = VCDSetProgram; return NULL;
}
return 0; if( p_block )
{
/* Really read data */
p_block->i_buffer = i_read * VCD_DATA_SIZE;
/* */
p_block->i_buffer -= i_skip;
p_block->p_buffer += i_skip;
p_access->info.i_pos += p_block->i_buffer;
}
return p_block;
} }
/***************************************************************************** /*****************************************************************************
* VCDClose: closes vcd * Seek:
*****************************************************************************/ *****************************************************************************/
static void Close( vlc_object_t *p_this ) static int Seek( access_t *p_access, int64_t i_pos )
{ {
input_thread_t * p_input = (input_thread_t *)p_this; return VLC_EGENERIC;
access_sys_t *p_sys = p_input->p_access_data; }
ioctl_Close( p_this, p_sys->vcddev ); /*****************************************************************************
free( p_sys ); * EntryPoints:
*****************************************************************************/
static int EntryPoints( access_t *p_access )
{
access_sys_t *p_sys = p_access->p_sys;
uint8_t sector[VCD_DATA_SIZE];
entries_sect_t entries;
int i_nb;
int i;
/* Read the entry point sector */
if( ioctl_ReadSectors( VLC_OBJECT(p_access), p_sys->vcddev,
VCD_ENTRIES_SECTOR, sector, 1, VCD_TYPE ) < 0 )
{
msg_Err( p_access, "could not read entry points sector" );
return VLC_EGENERIC;
}
memcpy( &entries, sector, CD_SECTOR_SIZE );
i_nb = GetWBE( &entries.i_entries_nb );
if( i_nb > 500 )
{
msg_Err( p_access, "invalid entry points number" );
return VLC_EGENERIC;
}
if( strncmp( entries.psz_id, "ENTRYVCD", sizeof( entries.psz_id ) ) &&
strncmp( entries.psz_id, "ENTRYSVD", sizeof( entries.psz_id ) ) )
{
msg_Err( p_access, "unrecognized entry points format" );
return VLC_EGENERIC;
}
for( i = 0; i < i_nb; i++ )
{
const int i_title = BCD_TO_BIN(entries.entry[i].i_track) - 2;
const int i_sector =
(MSF_TO_LBA2( BCD_TO_BIN( entries.entry[i].msf.minute ),
BCD_TO_BIN( entries.entry[i].msf.second ),
BCD_TO_BIN( entries.entry[i].msf.frame ) ));
seekpoint_t *s;
if( i_title < 0 )
continue; /* Should not occur */
if( i_title >= p_sys->i_titles )
continue;
fprintf( stderr, "Entry[%d] title=%d sector=%d\n",
i, i_title, i_sector );
s = vlc_seekpoint_New();
s->i_byte_offset = (i_sector - p_sys->p_sectors[i_title+1]) * VCD_DATA_SIZE;
TAB_APPEND( p_sys->title[i_title]->i_seekpoint, p_sys->title[i_title]->seekpoint, s );
}
#if 0
#define i_track BCD_TO_BIN(entries.entry[i].i_track)
/* Reset the i_part_nb for each track */
for( i = 0 ; i < i_nb ; i++ )
{
if( i_track <= p_input->stream.i_area_nb )
{
p_input->stream.pp_areas[i_track-1]->i_part_nb = 0;
}
}
for( i = 0 ; i < i_nb ; i++ )
{
if( i_track <= p_input->stream.i_area_nb )
{
p_sys->p_entries[i_entry_index] =
(MSF_TO_LBA2( BCD_TO_BIN( entries.entry[i].msf.minute ),
BCD_TO_BIN( entries.entry[i].msf.second ),
BCD_TO_BIN( entries.entry[i].msf.frame ) ));
p_input->stream.pp_areas[i_track-1]->i_part_nb ++;
/* if this entry belongs to a new track */
if( i_track != i_previous_track )
{
/* i_plugin_data is used to store the first entry of the area*/
p_input->stream.pp_areas[i_track-1]->i_plugin_data =
i_entry_index;
i_previous_track = i_track;
}
msg_Dbg( p_input, "entry point %i begins at LBA: %i",
i_entry_index, p_sys->p_entries[i_entry_index] );
i_entry_index ++;
p_sys->i_entries_nb ++;
}
else
msg_Warn( p_input, "wrong track number found in entry points" );
}
#undef i_track
return 0;
#endif
return VLC_EGENERIC;
} }
#if 0
/***************************************************************************** /*****************************************************************************
* VCDRead: reads from the VCD into PES packets. * VCDRead: reads from the VCD into PES packets.
***************************************************************************** *****************************************************************************
...@@ -546,3 +822,4 @@ static int VCDEntryPoints( input_thread_t * p_input ) ...@@ -546,3 +822,4 @@ static int VCDEntryPoints( input_thread_t * p_input )
#undef i_track #undef i_track
return 0; return 0;
} }
#endif
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