/*****************************************************************************
* access.c: Satellite card input
*****************************************************************************
- * Copyright (C) 1998-2003 VideoLAN
+ * Copyright (C) 1998-2003 the VideoLAN team
*
* Authors: Johan Bilien <jobi@via.ecp.fr>
* Christophe Massiot <massiot@via.ecp.fr>
#include "dvb.h"
-#define SATELLITE_READ_ONCE 80
+/* These are for the Dreambox port. I have no idea whether they're correct
+ * for other DVB adapters. --Meuuh */
+#define SATELLITE_READ_ONCE (64 * 1024)
#define DMX_BUFFER_SIZE (1024 * 1024)
/*****************************************************************************
static int SatelliteSetProgram ( input_thread_t *, pgrm_descriptor_t * );
static void SatelliteSeek ( input_thread_t *, off_t );
+typedef struct demux_handle_t
+{
+ int i_pid;
+ int i_handle;
+ int i_type;
+} demux_handle_t;
+
+#define PAT_TYPE 1
+#define PMT_TYPE 2
+#define ES_TYPE 3
+
+#define MAX_DEMUX 8
+
+typedef struct thread_sat_data_t
+{
+ int i_handle;
+ demux_handle_t p_demux_handles[MAX_DEMUX];
+} thread_sat_data_t;
+
+static void AllocateDemux( input_thread_t * p_input, int i_pid,
+ int i_type )
+{
+ thread_sat_data_t * p_satellite = (thread_sat_data_t *)p_input->p_access_data;
+ int i_demux;
+ int i;
+ i_demux = config_GetInt( p_input, "dvb-dmx" );
+
+ /* Find first free slot */
+ for ( i = 0; i < MAX_DEMUX; i++ )
+ {
+ if ( !p_satellite->p_demux_handles[i].i_type )
+ {
+ if (ioctl_SetDMXFilter( i_demux, i_pid, &p_satellite->p_demux_handles[i].i_handle, 3) < 0)
+ {
+ msg_Warn(p_input, "ioctl_SetDMXFilter failed (%d)", i_pid);
+ break;
+ }
+ p_satellite->p_demux_handles[i].i_type = i_type;
+ p_satellite->p_demux_handles[i].i_pid = i_pid;
+ break;
+ }
+ }
+}
+
+static void CloseProgram( input_thread_t * p_input )
+{
+ thread_sat_data_t * p_satellite = (thread_sat_data_t *)p_input->p_access_data;
+ int i;
+
+ for ( i = 1; i < MAX_DEMUX; i++ )
+ {
+ if ( p_satellite->p_demux_handles[i].i_type )
+ {
+ ioctl_UnsetDMXFilter( p_satellite->p_demux_handles[i].i_handle );
+ p_satellite->p_demux_handles[i].i_type = 0;
+ }
+ }
+}
+
/*****************************************************************************
* Open: open the dvr device
*****************************************************************************/
int E_(Open) ( vlc_object_t *p_this )
{
input_thread_t * p_input = (input_thread_t *)p_this;
- input_socket_t * p_satellite;
+ thread_sat_data_t * p_satellite;
char * psz_parser;
char * psz_next;
- int i_fd = 0;
int i_freq = 0;
int i_srate = 0;
vlc_bool_t b_pol = 0;
/* Initialise structure */
- p_satellite = malloc( sizeof( input_socket_t ) );
+ p_satellite = malloc( sizeof( thread_sat_data_t ) );
if( p_satellite == NULL )
{
msg_Err( p_input, "out of memory" );
return -1;
}
+ memset( p_satellite, 0, sizeof( thread_sat_data_t ) );
p_input->p_access_data = (void *)p_satellite;
if ( ioctl_SECControl( i_tuner, i_freq, b_pol, i_lnb_slof, b_diseqc ) < 0 )
{
- msg_Err( p_input, "an error occured when controling SEC" );
+ msg_Err( p_input, "an error occurred when controling SEC" );
close( p_satellite->i_handle );
free( p_satellite );
return -1;
} /* i_freq */
msg_Dbg( p_input, "setting filter on PAT" );
-
- if ( ioctl_SetDMXFilter( i_demux, 0, &i_fd, 3 ) < 0 )
- {
- msg_Err( p_input, "an error occured when setting filter on PAT" );
- close( p_satellite->i_handle );
- free( p_satellite );
- return -1;
- }
+ AllocateDemux( p_input, 0, PAT_TYPE );
if( input_InitStream( p_input, sizeof( stream_ts_data_t ) ) == -1 )
{
vlc_mutex_unlock( &p_input->stream.stream_lock );
- p_input->i_mtu = SATELLITE_READ_ONCE * TS_PACKET_SIZE;
+ p_input->i_mtu = SATELLITE_READ_ONCE;
p_input->stream.i_method = INPUT_METHOD_SATELLITE;
return 0;
void E_(Close) ( vlc_object_t *p_this )
{
input_thread_t * p_input = (input_thread_t *)p_this;
- input_socket_t * p_satellite;
- unsigned int i_es_index;
+ thread_sat_data_t * p_satellite = (thread_sat_data_t *)p_input->p_access_data;
- if ( p_input->stream.p_selected_program )
- {
- for ( i_es_index = 1 ;
- i_es_index < p_input->stream.p_selected_program->
- i_es_number ;
- i_es_index ++ )
- {
-#define p_es p_input->stream.p_selected_program->pp_es[i_es_index]
- if ( p_es->p_decoder_fifo )
- {
- ioctl_UnsetDMXFilter( p_es->i_demux_fd );
- }
-#undef p_es
- }
- }
+ msg_Dbg( p_input, "unsetting filters on all pids" );
+ CloseProgram( p_input );
+ close( p_satellite->p_demux_handles[0].i_handle );
- p_satellite = (input_socket_t *)p_input;
close( p_satellite->i_handle );
}
static ssize_t SatelliteRead( input_thread_t * p_input, byte_t * p_buffer,
size_t i_len )
{
- input_socket_t * p_access_data = (input_socket_t *)p_input->p_access_data;
+ thread_sat_data_t * p_satellite = (thread_sat_data_t *)p_input->p_access_data;
ssize_t i_ret;
- int i_program = config_GetInt( p_input, "program" );
- int i_demux = config_GetInt( p_input, "dvb-dmx" );
unsigned int i;
/* This is kludgy and consumes way too much CPU power - the access
* module should have a callback from the demux when a new program
* is encountered. --Meuuh */
- for( i = 0; i < p_input->stream.i_pgrm_number; i++ )
+ if ( !p_satellite->p_demux_handles[1].i_type )
{
- /* Only set a filter on the selected program : some boards
- * (read: Dreambox) only have 8 filters, so you don't want to
- * spend them on unwanted PMTs. --Meuuh */
- if ( (!i_program || p_input->stream.pp_programs[i]->i_number == i_program) && p_input->stream.pp_programs[i]->pp_es[0]->i_demux_fd == 0 )
+ int i_program = config_GetInt( p_input, "program" );
+
+ for( i = 0; i < p_input->stream.i_pgrm_number; i++ )
{
- msg_Dbg( p_input, "setting filter on PMT pid %d",
- p_input->stream.pp_programs[i]->pp_es[0]->i_id );
- if (ioctl_SetDMXFilter( i_demux, p_input->stream.pp_programs[i]->pp_es[0]->i_id,
- &p_input->stream.pp_programs[i]->pp_es[0]->i_demux_fd,
- 3 ) < 0)
+ /* Only set a filter on the selected program : some boards
+ * (read: Dreambox) only have 8 filters, so you don't want to
+ * spend them on unwanted PMTs. --Meuuh */
+ if ( (!i_program || p_input->stream.pp_programs[i]->i_number == i_program) )
{
- msg_Err(p_input, "ioctl_SetDMXFilter failed");
+ msg_Dbg( p_input, "setting filter on PMT pid %d",
+ p_input->stream.pp_programs[i]->pp_es[0]->i_id );
+ AllocateDemux( p_input, p_input->stream.pp_programs[i]->pp_es[0]->i_id, PMT_TYPE );
}
}
}
- i_ret = read( p_access_data->i_handle, p_buffer, i_len );
+ i_ret = read( p_satellite->i_handle, p_buffer, i_len );
if( i_ret < 0 )
{
{
unsigned int i_es_index;
vlc_value_t val;
- int i_demux = config_GetInt( p_input, "dvb-dmx" );
if ( p_input->stream.p_selected_program )
{
- for ( i_es_index = 1 ; /* 0 should be the PMT */
+ for ( i_es_index = 0 ; /* 0 should be the PMT */
i_es_index < p_input->stream.p_selected_program->
i_es_number ;
i_es_index ++ )
{
#define p_es p_input->stream.p_selected_program->pp_es[i_es_index]
- if ( p_es->p_decoder_fifo )
+ if ( p_es->p_dec )
{
input_UnselectES( p_input , p_es );
}
- if ( p_es->i_demux_fd )
- {
- ioctl_UnsetDMXFilter( p_es->i_demux_fd );
- p_es->i_demux_fd = 0;
- }
#undef p_es
}
}
+ msg_Dbg( p_input, "unsetting filters on all pids" );
+ CloseProgram( p_input );
+ msg_Dbg( p_input, "setting filter on PMT pid %d",
+ p_new_prg->pp_es[0]->i_id );
+ AllocateDemux( p_input, p_new_prg->pp_es[0]->i_id, PMT_TYPE );
+
for ( i_es_index = 1 ; i_es_index < p_new_prg->i_es_number ; i_es_index ++ )
{
#define p_es p_new_prg->pp_es[i_es_index]
switch( p_es->i_cat )
{
- case MPEG1_VIDEO_ES:
- case MPEG2_VIDEO_ES:
- case MPEG2_MOTO_VIDEO_ES:
+ case VIDEO_ES:
msg_Dbg(p_input, "setting filter on video ES 0x%x",
p_es->i_id);
- /* First set the filter. This may seem a little odd, but
+ /* Always set the filter. This may seem a little odd, but
* it allows you to stream the video with demuxstream
* without having a decoder or a stream output behind.
* The result is you'll sometimes filter a PID which you
* don't really want, but in the most common cases it
* should be OK. --Meuuh */
- if (ioctl_SetDMXFilter( i_demux, p_es->i_id, &p_es->i_demux_fd, 1) < 0)
- {
- msg_Dbg(p_input, "ioctl_SetDMXFilter failed");
- }
- else
- {
- input_SelectES( p_input , p_es );
- }
+ AllocateDemux( p_input, p_es->i_id, ES_TYPE );
+ input_SelectES( p_input , p_es );
break;
- case MPEG1_AUDIO_ES:
- case MPEG2_AUDIO_ES:
+ case AUDIO_ES:
msg_Dbg(p_input, "setting filter on audio ES 0x%x",
p_es->i_id);
- if (ioctl_SetDMXFilter( i_demux, p_es->i_id, &p_es->i_demux_fd, 3) < 0)
- {
- msg_Dbg(p_input, "ioctl_SetDMXFilter failed");
- }
- else
- {
- input_SelectES( p_input , p_es );
- }
+ AllocateDemux( p_input, p_es->i_id, ES_TYPE );
+ input_SelectES( p_input , p_es );
break;
+
default:
/* Do not select private streams. This is to avoid the
* limit of 8 filters on the Dreambox and possibly on
msg_Dbg(p_input, "setting filter on misc (0x%x) ES 0x%x",
p_es->i_cat,
p_es->i_id);
- if (ioctl_SetDMXFilter( i_demux, p_es->i_id, &p_es->i_demux_fd, 3) < 0)
- {
- msg_Dbg(p_input, "ioctl_SetDMXFilter failed");
- }
- else
- {
- input_SelectES( p_input , p_es );
- }
+ AllocateDemux( p_input, p_es->i_id, ES_TYPE );
+ input_SelectES( p_input , p_es );
#endif
break;
#undef p_es
projects / vlc / blobdiff