#include "modules.h"
#include "modules_export.h"
-#include "../mpeg_system/input_ps.h"
#include "input_vcd.h"
#include "linux_cdrom_tools.h"
/* how many blocks VCDRead will read in each loop */
-#define VCD_BLOCKS_ONCE 64
-#define VCD_DATA_ONCE (2 * VCD_BLOCKS_ONCE)
+#define VCD_BLOCKS_ONCE 4
+#define VCD_DATA_ONCE (2 * VCD_BLOCKS_ONCE)
#define BUFFER_SIZE VCD_DATA_SIZE
-
-
/*****************************************************************************
* Local prototypes
*****************************************************************************/
static int VCDProbe ( probedata_t *p_data );
static void VCDInit ( struct input_thread_s * );
static int VCDRead ( struct input_thread_s *, data_packet_t ** );
-static int VCDSetArea ( struct input_thread_s *, struct input_area_s * );
-static int VCDSetProgram ( struct input_thread_s *, pgrm_descriptor_t * );
+static int VCDSetArea ( struct input_thread_s *, struct input_area_s * );
+static int VCDSetProgram ( struct input_thread_s *, pgrm_descriptor_t * );
static void VCDOpen ( struct input_thread_s *);
-static void VCDClose ( struct input_thread_s *);
+static void VCDClose ( struct input_thread_s *);
static void VCDEnd ( struct input_thread_s *);
static void VCDSeek ( struct input_thread_s *, off_t );
static int VCDRewind ( struct input_thread_s * );
DECLARE_BUFFERS_NEWPACKET( FLAGS, NB_LIFO );
DECLARE_BUFFERS_DELETEPACKET( FLAGS, NB_LIFO, 150 );
DECLARE_BUFFERS_NEWPES( FLAGS, NB_LIFO );
-DECLARE_BUFFERS_DELETEPES( FLAGS, NB_LIFO, 150 );
+DECLARE_BUFFERS_DELETEPES( FLAGS, NB_LIFO, 150, 150 );
/*****************************************************************************
*****************************************************************************/
static int VCDProbe( probedata_t *p_data )
{
-
input_thread_t * p_input = (input_thread_t *)p_data;
char * psz_name = p_input->p_source;
i_score = 100;
psz_name += 4;
}
+
return( i_score );
}
*****************************************************************************/
static void VCDOpen( struct input_thread_s *p_input )
{
- int vcdhandle;
-
vlc_mutex_lock( &p_input->stream.stream_lock );
/* If we are here we can control the pace... */
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 );
-
-
+
/* XXX: put this shit in an access plugin */
if( strlen( p_input->p_source ) > 4
&& !strncasecmp( p_input->p_source, "vcd:", 4 ) )
{
- vcdhandle = open( p_input->p_source + 4, O_RDONLY | O_NONBLOCK );
+ p_input->i_handle
+ = open( p_input->p_source + 4, O_RDONLY | O_NONBLOCK );
}
else
{
- vcdhandle = open( p_input->p_source + 4, O_RDONLY | O_NONBLOCK );
+ p_input->i_handle
+ = open( p_input->p_source + 4, O_RDONLY | O_NONBLOCK );
}
- if( vcdhandle == -1 )
+ if( p_input->i_handle == -1 )
{
p_input->b_error = 1;
- return;
}
-
- p_input->i_handle = (int) vcdhandle;
}
/*****************************************************************************
int i;
input_area_t * p_area;
es_descriptor_t * p_es;
- packet_cache_t * p_packet_cache;
-
+
p_vcd = malloc( sizeof(thread_vcd_data_t) );
-
+
if( p_vcd == NULL )
{
intf_ErrMsg( "vcd error: out of memory" );
return;
}
- p_vcd->vcdhandle = p_input->i_handle;
+ p_vcd->i_handle = p_input->i_handle;
p_vcd->b_end_of_track = 0;
/* we read the Table Of Content information */
- if ( read_toc(p_vcd) == -1 )
+ if ( VCDReadToc( p_vcd ) == -1 )
{
- intf_ErrMsg("An error occured when reading vcd's TOC");
+ intf_ErrMsg( "vcd error: could not read TOC" );
}
-
+
p_input->i_read_once = VCD_DATA_ONCE;
-
+
/* Set stream and area data */
vlc_mutex_lock( &p_input->stream.stream_lock );
area[i]->i_id = i;
/* Absolute start offset and size */
- area[i]->i_start = p_vcd->tracks_sector[i];
- area[i]->i_size = p_vcd->tracks_sector[i+1] - p_vcd->tracks_sector[i];
+ area[i]->i_start = p_vcd->p_sectors[i];
+ area[i]->i_size = p_vcd->p_sectors[i+1] - p_vcd->p_sectors[i];
/* Number of chapters */
area[i]->i_part_nb = 0; // will be the entry points
area[i]->i_angle_nb = 1; // no angle support in VCDs
area[i]->i_angle = 1;
- area[i]->i_plugin_data = p_vcd->tracks_sector[i];
- }
+ area[i]->i_plugin_data = p_vcd->p_sectors[i];
+ }
#undef area
/* Get requested title - if none try the first title */
i_title = main_GetIntVariable( INPUT_TITLE_VAR, 1 );
- if( i_title <= 0)
+ if( i_title <= 0 )
{
i_title = 1;
}
-
- // p_vcd->current_track = i_title-1 ;
-
+
+ // p_vcd->i_track = i_title-1;
+
/* Get requested chapter - if none defaults to first one */
i_chapter = main_GetIntVariable( INPUT_CHAPTER_VAR, 1 );
if( i_chapter <= 0 )
i_chapter = 1;
}
-
p_input->stream.pp_areas[i_title]->i_part = i_chapter;
p_area = p_input->stream.pp_areas[i_title];
p_es->i_stream_id = 0xe0;
p_es->i_type = MPEG1_VIDEO_ES;
p_es->i_cat = VIDEO_ES;
-
+
if( p_main->b_video )
{
input_SelectES( p_input, p_es );
}
-
+
p_es = input_AddES( p_input,
p_input->stream.p_selected_program, 0xc0, 0 );
p_es->i_stream_id = 0xc0;
p_es->i_type = MPEG1_AUDIO_ES;
p_es->b_audio = 1;
p_es->i_cat = AUDIO_ES;
-
+
if( p_main->b_audio )
{
input_SelectES( p_input, p_es );
}
-
- vlc_mutex_unlock( &p_input->stream.stream_lock );
-
- return;
+ vlc_mutex_unlock( &p_input->stream.stream_lock );
}
-
/*****************************************************************************
* VCDEnd: frees unused data
*****************************************************************************/
/*****************************************************************************
* VCDSetProgram: Does nothing since a VCD is mono_program
*****************************************************************************/
-static int VCDSetProgram( input_thread_t * p_input,
- pgrm_descriptor_t * p_program)
+static int VCDSetProgram( input_thread_t * p_input,
+ pgrm_descriptor_t * p_program)
{
return 0;
}
static int VCDSetArea( input_thread_t * p_input, input_area_t * p_area )
{
thread_vcd_data_t * p_vcd;
-
+
p_vcd = (thread_vcd_data_t*)p_input->p_plugin_data;
-
+
/* 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 )
+
+ if( p_area != p_input->stream.p_selected_area )
{
- /* Reset the Chapter position of the old title */
- p_input->stream.p_selected_area->i_part = 0;
+ /* Reset the Chapter position of the current title */
+ p_input->stream.p_selected_area->i_part = 1;
p_input->stream.p_selected_area->i_tell = 0;
-
+
/* Change the default area */
p_input->stream.p_selected_area = p_area;
/* Change the current track */
/* The first track is not a valid one */
- p_vcd->current_track = p_area->i_id ;
- p_vcd->current_sector = p_vcd->tracks_sector[p_vcd->current_track] ;
+ p_vcd->i_track = p_area->i_id;
+ p_vcd->i_sector = p_vcd->p_sectors[p_vcd->i_track];
}
+
/* warn interface that something has changed */
p_input->stream.b_seekable = 1;
p_input->stream.b_changed = 1;
- return 0 ;
-
-}
-
+ return 0;
+}
/*****************************************************************************
* VCDRead: reads from the VCD into PES packets.
* Returns -1 in case of error, 0 if everything went well, and 1 in case of
* EOF.
*****************************************************************************/
-static int VCDRead( input_thread_t * p_input,
- data_packet_t ** pp_packets )
+static int VCDRead( input_thread_t * p_input, data_packet_t ** pp_packets )
{
thread_vcd_data_t * p_vcd;
data_packet_t * p_data;
int i_packet_size;
int i_index;
- int i_packet;
- boolean_t b_eof;
- byte_t * p_buffer;
- boolean_t b_no_packet;
+ int i_packet;
+ u32 i_header;
+ byte_t p_buffer[ VCD_DATA_SIZE ];
/* boolean_t b_eoc; No chapters yet */
-
- p_vcd = (thread_vcd_data_t *)p_input->p_plugin_data;
-
-
- p_buffer = malloc ( VCD_DATA_SIZE );
- if ( p_buffer == NULL )
- {
- intf_ErrMsg("Could not malloc the read buffer");
- return -1;
- }
+ p_vcd = (thread_vcd_data_t *)p_input->p_plugin_data;
-
i_packet = 0;
- b_no_packet = 0;
- while( i_packet < VCD_DATA_ONCE )
+ while( i_packet < VCD_DATA_ONCE
+ && !p_vcd->b_end_of_track )
{
- i_index = 0;
-
- if ( VCD_sector_read( p_vcd, p_buffer ) == -1 )
+ if ( VCDReadSector( p_vcd, p_buffer ) == -1 )
{
- return -1;
+ return -1;
}
-
- while (i_index < BUFFER_SIZE - 6)
+
+ i_index = 0;
+
+ while( i_index < BUFFER_SIZE - 6
+ && !p_vcd->b_end_of_track
+ && i_packet < VCD_DATA_ONCE )
{
-
- if( (U32_AT(p_buffer + i_index) & 0xFFFFFF00) != 0x100L )
+ i_header = U32_AT(p_buffer + i_index);
+
+ /* This is not the startcode of a packet. Read the stream
+ * until we find one. */
+ if( !i_header )
{
- /* This is not the startcode of a packet. Read the stream
- * until we find one. */
-
- if( !U32_AT( p_buffer + i_index ) )
- {
- /* It is common for MPEG-1 streams to pad with zeros
- * (although it is forbidden by the recommendation), so
- * don't bother everybody in this case. */
- intf_WarnMsg( 3, "Garbage at input" );
- }
-
- while( ( (U32_AT(p_buffer + i_index) & 0xFFFFFF00) != 0x100L )
- && ( i_index < BUFFER_SIZE - 4 ) )
- {
- i_index ++;
- }
-
- if ( i_index == BUFFER_SIZE - 4 )
- {
- b_no_packet = 1;
- }
- /* Packet found. */
+ /* It is common for MPEG-1 streams to pad with zeros
+ * (although it is forbidden by the recommendation), so
+ * don't bother everybody in this case. */
+ intf_WarnMsg( 3, "vcd warning: garbage at input" );
}
-
- if (b_no_packet)
+
+ while( (i_header & 0xFFFFFF00) != 0x100L
+ && (++i_index < BUFFER_SIZE - 4) )
+ {
+ i_header = U32_AT(p_buffer + i_index);
+ }
+
+ if( (i_header & 0xFFFFFF00) != 0x100L )
{
- b_no_packet = 0;
- intf_WarnMsg(3, "No packet found on sector %d\n",
- p_vcd->current_sector -1 );
+ intf_WarnMsg( 3, "vcd warning: no packet at sector %d\n",
+ p_vcd->i_sector - 1 );
break; /* go to the next sector */
}
-
#ifdef DEBUG
- intf_DbgMsg("packet start code : %X\n",
- U32_AT(p_buffer + i_index));
+ intf_DbgMsg( "packet start code : %X\n", i_header );
#endif
- /* 0x1B9 == SYSTEM_END_CODE, it is only 4 bytes long. */
- if( U32_AT(p_buffer + i_index) != 0x1B9 )
+
+ switch( i_header )
{
- /* The packet is at least 6 bytes long. */
-
- if( U32_AT(p_buffer + i_index) != 0x1BA )
- {
- /* That's the case for all packets, except pack header. */
- i_packet_size = U16_AT((p_buffer + ( i_index + 4 )));
- }
- else
- {
- /* Pack header. */
+ /* 0x1b9 == SYSTEM_END_CODE, it is only 4 bytes long. */
+ case 0x1b9:
+ i_packet_size = -2;
+ break;
+
+ /* Pack header */
+ case 0x1ba:
if( ( *( p_buffer + ( i_index + 4 ) ) & 0xC0) == 0x40 )
{
/* MPEG-2 */
intf_ErrMsg( "Unable to determine stream type" );
return( -1 );
}
- }
- }
- else
- {
- /* System End Code */
- i_packet_size = -2;
+ break;
+
+ /* The packet is at least 6 bytes long. */
+ default:
+ /* That's the case for all packets, except pack header. */
+ i_packet_size = U16_AT((p_buffer + ( i_index + 4 )));
+ break;
}
+
#ifdef DEBUG
intf_DbgMsg("i_index : %d\n", i_index);
intf_DbgMsg("i_packet_size : %d\n", i_packet_size);
#endif
+
if ( i_index + i_packet_size > BUFFER_SIZE )
{
- intf_ErrMsg( "Too long packet");
+ intf_ErrMsg( "vcd error: packet too long (%i)",
+ i_index + i_packet_size );
continue;
}
-
+
/* Fetch a packet of the appropriate size. */
-
p_data = p_input->pf_new_packet( p_input->p_method_data,
i_packet_size + 6 );
-
+
if( p_data == NULL )
{
- intf_ErrMsg( "Out of memory" );
+ intf_ErrMsg( "vcd error: out of memory" );
return( -1 );
}
-
+
if( U32_AT(p_buffer) != 0x1B9 )
{
p_main->fast_memcpy( p_data->p_demux_start, p_buffer + i_index,
6 + i_packet_size );
i_index += ( 6 + i_packet_size );
-
}
else
{
memcpy( p_data->p_demux_start, p_buffer + i_index, 4 );
i_index += 4;
}
-
+
/* Give the packet to the other input stages. */
pp_packets[i_packet] = p_data;
- i_packet ++;
+ i_packet++;
}
-
- if ( p_vcd->b_end_of_track )
- break;
}
+ pp_packets[i_packet] = NULL;
-
vlc_mutex_lock( &p_input->stream.stream_lock );
p_input->stream.p_selected_area->i_tell =
- p_vcd->current_sector -
- p_input->stream.p_selected_area->i_start ;
-
+ p_vcd->i_sector - p_input->stream.p_selected_area->i_start;
+
/* no chapter for the moment*/
/*if( b_eoc )
{
p_input->stream.p_selected_area->i_part = p_vcd->i_chapter;
}*/
-
- b_eof = p_vcd->b_end_of_track;
- /*FIXME&& ( ( p_vcd->current_track ) >= p_vcd->nb_tracks - 1);*/
-
- if( b_eof )
- {
- vlc_mutex_unlock( &p_input->stream.stream_lock );
- return 1;
- }
-
if( p_vcd->b_end_of_track )
{
+ input_area_t *p_area;
+
+ /* EOF ? */
+ if( p_vcd->i_track >= p_vcd->nb_tracks - 1 )
+ {
+ vlc_mutex_unlock( &p_input->stream.stream_lock );
+ return 1;
+ }
+
intf_WarnMsg( 4, "vcd info: new title" );
+
p_vcd->b_end_of_track = 0;
- VCDSetArea( p_input, p_input->stream.pp_areas[
- p_input->stream.p_selected_area->i_id + 1] );
- vlc_mutex_unlock( &p_input->stream.stream_lock );
- return 0;
+
+ p_area = p_input->stream.pp_areas[
+ p_input->stream.p_selected_area->i_id + 1 ];
+
+ p_area->i_part = 1;
+ VCDSetArea( p_input, p_area );
}
-
- vlc_mutex_unlock( &p_input->stream.stream_lock );
+ vlc_mutex_unlock( &p_input->stream.stream_lock );
return 0;
}
return( -1 );
}
-
/****************************************************************************
* VCDSeek
****************************************************************************/
p_vcd = (thread_vcd_data_t *) p_input->p_plugin_data;
- p_vcd->current_sector = p_vcd->tracks_sector[p_vcd->current_track]
- + i_off;
+ p_vcd->i_sector = p_vcd->p_sectors[p_vcd->i_track] + i_off;
- p_input->stream.p_selected_area->i_tell = p_vcd->current_sector
+ p_input->stream.p_selected_area->i_tell = p_vcd->i_sector
- p_input->stream.p_selected_area->i_start;
-
- return ;
}
projects / vlc / blobdiff