#include <fcntl.h>
#include <sys/types.h>
+#include <sys/stat.h>
#include <string.h>
#include <errno.h>
-#ifdef STRNCASECMP_IN_STRINGS_H
-# include <strings.h>
-#endif
-
#if defined( WIN32 )
# include <io.h> /* read() */
#else
#include "debug.h"
#include "input_vcd.h"
-#include "linux_cdrom_tools.h"
+#include "cdrom_tools.h"
/* how many blocks VCDRead will read in each loop */
-#define VCD_BLOCKS_ONCE 4
-#define VCD_DATA_ONCE (2 * VCD_BLOCKS_ONCE)
-#define BUFFER_SIZE VCD_DATA_SIZE
+#define VCD_BLOCKS_ONCE 20
+#define VCD_DATA_ONCE (VCD_BLOCKS_ONCE * VCD_DATA_SIZE)
/*****************************************************************************
* Local prototypes
*****************************************************************************/
/* called from outside */
-static int VCDProbe ( struct input_thread_s * );
-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 void VCDOpen ( 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 VCDInit ( struct input_thread_s * );
+static void VCDEnd ( struct input_thread_s * );
+static int VCDDemux ( struct input_thread_s * );
static int VCDRewind ( struct input_thread_s * );
-/*****************************************************************************
- * Declare a buffer manager
- *****************************************************************************/
-#define FLAGS BUFFERS_NOFLAGS
-#define NB_LIFO 2
-DECLARE_BUFFERS_EMBEDDED( FLAGS, NB_LIFO );
-DECLARE_BUFFERS_INIT( FLAGS, NB_LIFO );
-DECLARE_BUFFERS_END( FLAGS, NB_LIFO );
-DECLARE_BUFFERS_NEWPACKET( FLAGS, NB_LIFO );
-DECLARE_BUFFERS_DELETEPACKET( FLAGS, NB_LIFO, 1000 );
-DECLARE_BUFFERS_NEWPES( FLAGS, NB_LIFO );
-DECLARE_BUFFERS_DELETEPES( FLAGS, NB_LIFO, 1000 );
-
+static int VCDOpen ( struct input_thread_s *);
+static void VCDClose ( struct input_thread_s *);
+static int VCDRead ( struct input_thread_s *, byte_t *, size_t );
+static void VCDSeek ( struct input_thread_s *, off_t );
+static int VCDSetArea ( struct input_thread_s *, struct input_area_s * );
+static int VCDSetProgram ( struct input_thread_s *, pgrm_descriptor_t * );
/*****************************************************************************
* Functions exported as capabilities. They are declared as static so that
* we don't pollute the namespace too much.
*****************************************************************************/
-void _M( input_getfunctions )( function_list_t * p_function_list )
+void _M( access_getfunctions )( function_list_t * p_function_list )
{
-#define input p_function_list->functions.input
- input.pf_probe = VCDProbe;
- input.pf_init = VCDInit;
- input.pf_open = VCDOpen;
- input.pf_close = VCDClose;
- input.pf_end = VCDEnd;
- input.pf_init_bit_stream = InitBitstream;
- input.pf_read = VCDRead;
- input.pf_set_area = VCDSetArea;
- input.pf_set_program = VCDSetProgram;
- input.pf_demux = input_DemuxPS;
- input.pf_new_packet = input_NewPacket;
- input.pf_new_pes = input_NewPES;
- input.pf_delete_packet = input_DeletePacket;
- input.pf_delete_pes = input_DeletePES;
- input.pf_rewind = VCDRewind;
- input.pf_seek = VCDSeek;
-#undef input
+#define access p_function_list->functions.access
+ access.pf_open = VCDOpen;
+ access.pf_close = VCDClose;
+ access.pf_read = VCDRead;
+ access.pf_set_area = VCDSetArea;
+ access.pf_set_program = VCDSetProgram;
+ access.pf_seek = VCDSeek;
+#undef access
+}
+
+
+void _M( demux_getfunctions )( function_list_t * p_function_list )
+{
+#define demux p_function_list->functions.demux
+ demux.pf_init = VCDInit;
+ demux.pf_end = VCDEnd;
+ demux.pf_demux = VCDDemux;
+ demux.pf_rewind = VCDRewind;
+#undef demux
}
/*
*/
/*****************************************************************************
- * VCDProbe: verifies that the stream is a PS stream
+ * VCDOpen: open vcd
*****************************************************************************/
-static int VCDProbe( input_thread_t * p_input )
+static int VCDOpen( struct input_thread_s *p_input )
{
- char * psz_name = p_input->p_source;
+ char * psz_orig;
+ char * psz_parser;
+ char * psz_source;
+ char * psz_next;
+ struct stat stat_info;
+ thread_vcd_data_t * p_vcd;
+ int i;
+ input_area_t * p_area;
+ int i_title = 1;
+ int i_chapter = 1;
- if( ( strlen(psz_name) > 4 ) && !strncasecmp( psz_name, "vcd:", 4 ) )
+
+
+ /* parse the options passed in command line : */
+ psz_orig = psz_parser = psz_source = strdup( p_input->psz_name );
+
+ if( !psz_orig )
{
- /* If the user specified "vcd:" then it's probably a VCD */
- return 0;
+ return( -1 );
+ }
+
+ while( *psz_parser && *psz_parser != '@' )
+ {
+ psz_parser++;
}
- return -1;
-}
-
-/*****************************************************************************
- * VCDOpen: open vcd
- *****************************************************************************/
-static void VCDOpen( struct input_thread_s *p_input )
-{
- vlc_mutex_lock( &p_input->stream.stream_lock );
-
- /* If we are here we can control the pace... */
- p_input->stream.b_pace_control = 1;
+ if( *psz_parser == '@' )
+ {
+ /* Found options */
+ *psz_parser = '\0';
+ ++psz_parser;
- p_input->stream.b_seekable = 1;
- p_input->stream.p_selected_area->i_size = 0;
- p_input->stream.p_selected_area->i_tell = 0;
+ i_title = (int)strtol( psz_parser, &psz_next, 10 );
+ if( *psz_next )
+ {
+ psz_parser = psz_next + 1;
+ i_chapter = (int)strtol( psz_parser, &psz_next, 10 );
+ }
- vlc_mutex_unlock( &p_input->stream.stream_lock );
+ i_title = i_title ? i_title : 1;
+ i_chapter = i_chapter ? i_chapter : 1;
+ }
- /* XXX: put this shit in an access plugin */
- if( strlen( p_input->p_source ) > 4
- && !strncasecmp( p_input->p_source, "vcd:", 4 ) )
+ if( !*psz_source )
{
- p_input->i_handle
- = open( p_input->p_source + 4, O_RDONLY | O_NONBLOCK );
+ if( !p_input->psz_access )
+ {
+ free( psz_orig );
+ return -1;
+ }
+ psz_source = config_GetPszVariable( "vcd_device" );
}
- else
+
+ /* test the type of file given */
+
+ if( stat( psz_source, &stat_info ) == -1 )
{
- p_input->i_handle
- = open( p_input->p_source, O_RDONLY | O_NONBLOCK );
+ intf_ErrMsg( "input: vcd: cannot stat() source `%s' (%s)",
+ psz_source, strerror(errno));
+ return( -1 );
}
-
- if( p_input->i_handle == -1 )
+
+ if( !S_ISBLK(stat_info.st_mode) )
{
- p_input->b_error = 1;
+ intf_WarnMsg( 3, "input : VCD plugin discarded"
+ " (not a valid drive)" );
+ return -1;
}
-}
-
-/*****************************************************************************
- * VCDClose: close vcd
- *****************************************************************************/
-static void VCDClose( struct input_thread_s *p_input )
-{
- close( p_input->i_handle );
-}
-
-/*****************************************************************************
- * VCDInit: initializes VCD structures
- *****************************************************************************/
-static void VCDInit( input_thread_t * p_input )
-{
- thread_vcd_data_t * p_vcd;
- int i_title;
- int i_chapter;
- int i;
- input_area_t * p_area;
- es_descriptor_t * p_es;
-
+
+
p_vcd = malloc( sizeof(thread_vcd_data_t) );
if( p_vcd == NULL )
{
intf_ErrMsg( "vcd error: out of memory" );
- p_input->b_error = 1;
- return;
+ return -1;
}
+
+ p_input->p_access_data = (void *)p_vcd;
+
+ p_input->i_mtu = VCD_DATA_ONCE;
+
+ vlc_mutex_lock( &p_input->stream.stream_lock );
- p_input->p_plugin_data = (void *)p_vcd;
+ p_input->stream.b_pace_control = 1;
- if( (p_input->p_method_data = input_BuffersInit()) == NULL )
+ 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 );
+
+ p_vcd->i_handle = open( psz_source, O_RDONLY | O_NONBLOCK );
+
+ if( p_vcd->i_handle == -1 )
{
- free( p_vcd );
- p_input->b_error = 1;
- return;
+ intf_ErrMsg( "input: vcd: Could not open %s\n", psz_source );
+ free (p_vcd);
+ return -1;
}
- p_vcd->i_handle = p_input->i_handle;
-
/* We read the Table Of Content information */
- p_vcd->nb_tracks = ioctl_GetTrackCount( p_input->i_handle );
+ p_vcd->nb_tracks = ioctl_GetTrackCount( p_vcd->i_handle,
+ psz_source );
if( p_vcd->nb_tracks < 0 )
{
- input_BuffersEnd( p_input->p_method_data );
+ intf_ErrMsg( "input: vcd: was unable to count tracks" );
+ close( p_vcd->i_handle );
free( p_vcd );
- p_input->b_error = 1;
- return;
+ return -1;
}
else if( p_vcd->nb_tracks <= 1 )
{
- intf_ErrMsg( "input error: no movie tracks found" );
- input_BuffersEnd( p_input->p_method_data );
+ intf_ErrMsg( "input: vcd: no movie tracks found" );
+ close( p_vcd->i_handle );
free( p_vcd );
- p_input->b_error = 1;
- return;
+ return -1;
}
- p_vcd->p_sectors = ioctl_GetSectors( p_input->i_handle );
- if ( p_vcd->p_sectors == NULL )
+ p_vcd->p_sectors = ioctl_GetSectors( p_vcd->i_handle,
+ psz_source );
+ if( p_vcd->p_sectors == NULL )
{
input_BuffersEnd( p_input->p_method_data );
+ close( p_vcd->i_handle );
free( p_vcd );
- p_input->b_error = 1;
- return;
+ return -1;
}
/* Set stream and area data */
area[i]->i_part_nb = 0; // will be the entry points
area[i]->i_part = 1;
- /* Number of angles */
- area[i]->i_angle_nb = 1; // no angle support in VCDs
- area[i]->i_angle = 1;
-
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 )
- {
- 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];
VCDSetArea( p_input, p_area );
- /* Set program information. */
-
- input_AddProgram( p_input, 0, sizeof( stream_ps_data_t ) );
- p_input->stream.p_selected_program = p_input->stream.pp_programs[0];
-
- /* No PSM to read in disc mode, we already have all the information */
- p_input->stream.p_selected_program->b_is_ok = 1;
-
- p_es = input_AddES( p_input, p_input->stream.p_selected_program, 0xe0, 0 );
- p_es->i_stream_id = 0xe0;
- p_es->i_type = MPEG1_VIDEO_ES;
- p_es->i_cat = VIDEO_ES;
+ vlc_mutex_unlock( &p_input->stream.stream_lock );
- if( p_main->b_video )
- {
- input_SelectES( p_input, p_es );
- }
+ p_input->psz_demux = "vcd";
- 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;
+ return 0;
+}
- if( p_main->b_audio )
- {
- input_SelectES( p_input, p_es );
- }
+/*****************************************************************************
+ * VCDClose: closes vcd
+ *****************************************************************************/
+static void VCDClose( struct input_thread_s *p_input )
+{
+ thread_vcd_data_t *p_vcd = (thread_vcd_data_t *)p_input->p_access_data;
- vlc_mutex_unlock( &p_input->stream.stream_lock );
+ close( p_vcd->i_handle );
+ free( p_vcd );
}
/*****************************************************************************
- * VCDEnd: frees unused data
+ * VCDRead: reads from the VCD into PES packets.
+ *****************************************************************************
+ * Returns -1 in case of error, 0 in case of EOF, otherwise the number of
+ * bytes.
*****************************************************************************/
-static void VCDEnd( input_thread_t * p_input )
+static int VCDRead( input_thread_t * p_input, byte_t * p_buffer,
+ size_t i_len )
{
thread_vcd_data_t * p_vcd;
+ int i_blocks;
+ int i_index;
+ int i_read;
+ byte_t p_last_sector[ VCD_DATA_SIZE ];
- input_BuffersEnd( p_input->p_method_data );
+ p_vcd = (thread_vcd_data_t *)p_input->p_access_data;
- p_vcd = (thread_vcd_data_t*)p_input->p_plugin_data;
+ i_read = 0;
- free( p_vcd );
+ /* Compute the number of blocks we have to read */
+
+ i_blocks = i_len / VCD_DATA_SIZE;
+
+ for ( i_index = 0 ; i_index < i_blocks ; i_index++ )
+ {
+ if ( ioctl_ReadSector( p_vcd->i_handle, p_vcd->i_sector,
+ p_buffer + i_index * VCD_DATA_SIZE ) < 0 )
+ {
+ intf_ErrMsg( "input: vcd: could not read sector %d\n",
+ p_vcd->i_sector );
+ return -1;
+ }
+
+ p_vcd->i_sector ++;
+ if ( p_vcd->i_sector == p_vcd->p_sectors[p_vcd->i_track + 1] )
+ {
+ input_area_t *p_area;
+
+ if ( p_vcd->i_track >= p_vcd->nb_tracks - 1 )
+ return 0; /* EOF */
+
+ p_area = p_input->stream.pp_areas[
+ p_input->stream.p_selected_area->i_id + 1 ];
+
+ intf_WarnMsg( 4, "input: vcd info: new title" );
+
+ p_area->i_part = 1;
+ VCDSetArea( p_input, p_area );
+
+ }
+ i_read += VCD_DATA_SIZE;
+ }
+
+ if ( i_len % VCD_DATA_SIZE ) /* this should not happen */
+ {
+ if ( ioctl_ReadSector( p_vcd->i_handle, p_vcd->i_sector,
+ p_last_sector ) < 0 )
+ {
+ intf_ErrMsg( "input: vcd: could not read sector %d\n",
+ p_vcd->i_sector );
+ return -1;
+ }
+
+ FAST_MEMCPY( p_buffer + i_blocks * VCD_DATA_SIZE,
+ p_last_sector, i_len % VCD_DATA_SIZE );
+ i_read += i_len % VCD_DATA_SIZE;
+ }
+
+ p_input->stream.p_selected_area->i_tell =
+ (off_t)p_vcd->i_sector * (off_t)VCD_DATA_SIZE
+ - p_input->stream.p_selected_area->i_start;
+
+ return i_read;
}
+
/*****************************************************************************
* VCDSetProgram: Does nothing since a VCD is mono_program
*****************************************************************************/
{
thread_vcd_data_t * p_vcd;
- p_vcd = (thread_vcd_data_t*)p_input->p_plugin_data;
+ p_vcd = (thread_vcd_data_t*)p_input->p_access_data;
/* we can't use the interface slider until initilization is complete */
p_input->stream.b_seekable = 0;
return 0;
}
+
/*****************************************************************************
- * VCDRead: reads from the VCD into PES packets.
- *****************************************************************************
- * Returns -1 in case of error, 0 in case of EOF, otherwise the number of
- * packets.
+ * VCDRewind : reads a stream backward
*****************************************************************************/
-static int VCDRead( input_thread_t * p_input, data_packet_t ** pp_data )
+static int VCDRewind( input_thread_t * p_input )
{
- thread_vcd_data_t * p_vcd;
- data_packet_t * p_data;
- int i_packet_size;
- int i_index;
- int i_packet;
- u32 i_header;
- byte_t p_buffer[ VCD_DATA_SIZE ];
- boolean_t b_eot = 0; /* end of track */
- /* boolean_t b_eoc; No chapters yet */
+ return( -1 );
+}
- p_vcd = (thread_vcd_data_t *)p_input->p_plugin_data;
+/****************************************************************************
+ * VCDSeek
+ ****************************************************************************/
+static void VCDSeek( input_thread_t * p_input, off_t i_off )
+{
+ thread_vcd_data_t * p_vcd;
- i_packet = 0;
- *pp_data = NULL;
+ p_vcd = (thread_vcd_data_t *) p_input->p_access_data;
- while( i_packet < VCD_DATA_ONCE )
- {
- if( ioctl_ReadSector( p_vcd->i_handle, p_vcd->i_sector, p_buffer ) )
- {
- /* Read error, but assume we reached the end of the track */
- b_eot = 1;
- break;
- }
+ p_vcd->i_sector = p_vcd->p_sectors[p_vcd->i_track]
+ + i_off / (off_t)VCD_DATA_SIZE;
- p_vcd->i_sector++;
+ p_input->stream.p_selected_area->i_tell =
+ (off_t)p_vcd->i_sector * (off_t)VCD_DATA_SIZE
+ - p_input->stream.p_selected_area->i_start;
+}
- if( p_vcd->i_sector >= p_vcd->p_sectors[p_vcd->i_track + 1] )
- {
- b_eot = 1;
- break;
- }
+/*
+ * Demux functions
+ */
- i_index = 0;
- while( i_index < BUFFER_SIZE-6 && i_packet < VCD_DATA_ONCE )
- {
- i_header = 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. */
- while( !i_header && (++i_index < BUFFER_SIZE - 4) )
- {
- i_header = U32_AT(p_buffer + i_index);
- }
-
- if( !i_header )
- {
- intf_WarnMsg( 12, "vcd warning: zero-padded packet" );
- break;
- }
-
- /* Read the stream until we find a startcode. */
- while( (i_header & 0xFFFFFF00) != 0x100L
- && (++i_index < BUFFER_SIZE - 4) )
- {
- i_header = U32_AT(p_buffer + i_index);
- }
-
- if( (i_header & 0xFFFFFF00) != 0x100L )
- {
- intf_WarnMsg( 3, "vcd warning: no packet at sector %d",
- p_vcd->i_sector - 1 );
- break; /* go to the next sector */
- }
-
- switch( i_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 */
- i_packet_size = 8;
- }
- else if( (*(p_buffer + ( i_index + 4 ) ) & 0xF0) == 0x20 )
- {
- /* MPEG-1 */
- i_packet_size = 6;
- }
- else
- {
- intf_ErrMsg( "vcd error: unable to determine "
- "stream type" );
- return( -1 );
- }
- 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;
- }
-
- if ( i_index + i_packet_size > BUFFER_SIZE )
- {
- 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( "vcd error: out of memory" );
- return( -1 );
- }
-
- if( U32_AT(p_buffer) != 0x1B9 )
- {
- FAST_MEMCPY( p_data->p_demux_start, p_buffer + i_index,
- 6 + i_packet_size );
- i_index += ( 6 + i_packet_size );
- }
- else
- {
- /* Copy the small header. */
- memcpy( p_data->p_demux_start, p_buffer + i_index, 4 );
- i_index += 4;
- }
-
- /* Give the packet to the other input stages. */
- *pp_data = p_data;
- pp_data = &p_data->p_next;
-
- i_packet++;
- }
+/*****************************************************************************
+ * VCDInit: initializes VCD structures
+ *****************************************************************************/
+static int VCDInit( input_thread_t * p_input )
+{
+ es_descriptor_t * p_es;
+
+ if( p_input->stream.i_method != INPUT_METHOD_VCD )
+ {
+ return -1;
}
vlc_mutex_lock( &p_input->stream.stream_lock );
+
+ /* Set program information. */
+ input_AddProgram( p_input, 0, sizeof( stream_ps_data_t ) );
+ p_input->stream.p_selected_program = p_input->stream.pp_programs[0];
- p_input->stream.p_selected_area->i_tell =
- (off_t)p_vcd->i_sector * (off_t)VCD_DATA_SIZE
- - p_input->stream.p_selected_area->i_start;
+ /* No PSM to read in disc mode, we already have all the information */
+ p_input->stream.p_selected_program->b_is_ok = 1;
- /* no chapter for the moment*/
-#if 0
- if( b_eoc )
- {
- /* We modify i_part only at end of chapter not to erase
- * some modification from the interface */
- p_input->stream.p_selected_area->i_part = p_vcd->i_chapter;
- }
-#endif
+ p_es = input_AddES( p_input, p_input->stream.p_selected_program, 0xe0, 0 );
+ p_es->i_stream_id = 0xe0;
+ p_es->i_type = MPEG1_VIDEO_ES;
+ p_es->i_cat = VIDEO_ES;
- if( b_eot )
+ if( p_main->b_video )
{
- 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 0;
- }
-
- intf_WarnMsg( 4, "vcd info: new title" );
+ input_SelectES( p_input, p_es );
+ }
- p_area = p_input->stream.pp_areas[
- p_input->stream.p_selected_area->i_id + 1 ];
+ 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;
- p_area->i_part = 1;
- VCDSetArea( p_input, p_area );
+ if( p_main->b_audio )
+ {
+ input_SelectES( p_input, p_es );
}
vlc_mutex_unlock( &p_input->stream.stream_lock );
-
- return( i_packet + 1 );
+
+ return 0;
}
/*****************************************************************************
- * VCDRewind : reads a stream backward
+ * VCDEnd: frees unused data
*****************************************************************************/
-static int VCDRewind( input_thread_t * p_input )
+static void VCDEnd( input_thread_t * p_input )
{
- return( -1 );
+ ;
}
-/****************************************************************************
- * VCDSeek
- ****************************************************************************/
-static void VCDSeek( input_thread_t * p_input, off_t i_off )
+
+/*****************************************************************************
+ * VCDDemux: reads and demuxes data packets
+ *****************************************************************************
+ * Returns -1 in case of error, 0 in case of EOF, otherwise the number of
+ * packets.
+ *****************************************************************************/
+static int VCDDemux( input_thread_t * p_input )
{
- thread_vcd_data_t * p_vcd;
+ int i;
- p_vcd = (thread_vcd_data_t *) p_input->p_plugin_data;
+ for( i = 0; i < VCD_BLOCKS_ONCE; i++ )
+ {
+ data_packet_t * p_data;
+ ssize_t i_result;
- p_vcd->i_sector = p_vcd->p_sectors[p_vcd->i_track]
- + i_off / (off_t)VCD_DATA_SIZE;
+ i_result = input_ReadPS( p_input, &p_data );
- p_input->stream.p_selected_area->i_tell =
- (off_t)p_vcd->i_sector * (off_t)VCD_DATA_SIZE
- - p_input->stream.p_selected_area->i_start;
+ if( i_result <= 0 )
+ {
+ return( i_result );
+ }
+
+ input_DemuxPS( p_input, p_data );
+ }
+
+ return( i );
}
projects / vlc / blobdiff