Commit 2f6ff2ac authored by gbazin's avatar gbazin

* modules/demux/playlist/dvb.c: playlist import for szap/tzap/czap compatible DVB channel lists.

parent 7775a048
......@@ -3,4 +3,5 @@ SOURCES_playlist = playlist.c \
old.c \
m3u.c \
b4s.c \
pls.c
pls.c \
dvb.c
/*****************************************************************************
* dvb.c : DVB channel list import (szap/tzap/czap compatible channel lists)
*****************************************************************************
* Copyright (C) 2005 the VideoLAN team
* $Id$
*
* Authors: Gildas Bazin <gbazin@videolan.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
*****************************************************************************/
/*****************************************************************************
* Preamble
*****************************************************************************/
#include <stdlib.h> /* malloc(), free() */
#include <vlc/vlc.h>
#include <vlc/input.h>
#include <vlc/intf.h>
#include "playlist.h"
/*****************************************************************************
* Local prototypes
*****************************************************************************/
static int Demux( demux_t *p_demux);
static int Control( demux_t *p_demux, int i_query, va_list args );
static int ParseLine( char *, char **, char ***, int *);
/*****************************************************************************
* Import_DVB: main import function
*****************************************************************************/
int E_(Import_DVB)( vlc_object_t *p_this )
{
demux_t *p_demux = (demux_t *)p_this;
uint8_t *p_peek;
int i_peek;
char *psz_ext;
vlc_bool_t b_valid = VLC_FALSE;
psz_ext = strrchr ( p_demux->psz_path, '.' );
if( !( psz_ext && !strncasecmp( psz_ext, ".conf", 5 ) ) &&
!p_demux->b_force ) return VLC_EGENERIC;
/* Check if this really is a channels file */
if( (i_peek = stream_Peek( p_demux->s, &p_peek, 1024 )) > 0 )
{
char psz_line[1024+1];
int i;
for( i = 0; i < i_peek; i++ )
{
if( p_peek[i] == '\n' ) break;
psz_line[i] = p_peek[i];
}
psz_line[i] = 0;
if( ParseLine( psz_line, 0, 0, 0 ) ) b_valid = VLC_TRUE;
}
if( !b_valid ) return VLC_EGENERIC;
msg_Dbg( p_demux, "found valid DVB conf playlist file");
p_demux->pf_control = Control;
p_demux->pf_demux = Demux;
return VLC_SUCCESS;
}
/*****************************************************************************
* Deactivate: frees unused data
*****************************************************************************/
void E_(Close_DVB)( vlc_object_t *p_this )
{
}
/*****************************************************************************
* Demux: The important stuff
*****************************************************************************/
static int Demux( demux_t *p_demux )
{
playlist_t *p_playlist;
char *psz_line;
playlist_item_t *p_current;
vlc_bool_t b_play;
p_playlist = (playlist_t *) vlc_object_find( p_demux, VLC_OBJECT_PLAYLIST,
FIND_PARENT );
if( !p_playlist )
{
msg_Err( p_demux, "can't find playlist" );
return -1;
}
b_play = E_(FindItem)( p_demux, p_playlist, &p_current );
playlist_ItemToNode( p_playlist, p_current );
p_current->input.i_type = ITEM_TYPE_PLAYLIST;
while( (psz_line = stream_ReadLine( p_demux->s )) )
{
playlist_item_t *p_item;
char **ppsz_options = NULL;
int i, i_options = 0;
char *psz_name = NULL;
if( !ParseLine( psz_line, &psz_name, &ppsz_options, &i_options ) )
{
free( psz_line );
continue;
}
EnsureUTF8( psz_name );
p_item = playlist_ItemNew( p_playlist, "dvb:", psz_name );
for( i = 0; i< i_options; i++ )
{
EnsureUTF8( ppsz_options[i] );
playlist_ItemAddOption( p_item, ppsz_options[i] );
}
playlist_NodeAddItem( p_playlist, p_item,
p_current->pp_parents[0]->i_view,
p_current, PLAYLIST_APPEND, PLAYLIST_END );
/* We need to declare the parents of the node as the
* * same of the parent's ones */
playlist_CopyParents( p_current, p_item );
vlc_input_item_CopyOptions( &p_current->input, &p_item->input );
while( i_options-- ) free( ppsz_options[i_options] );
if( ppsz_options ) free( ppsz_options );
free( psz_line );
}
/* Go back and play the playlist */
if( b_play && p_playlist->status.p_item &&
p_playlist->status.p_item->i_children > 0 )
{
playlist_Control( p_playlist, PLAYLIST_VIEWPLAY,
p_playlist->status.i_view,
p_playlist->status.p_item,
p_playlist->status.p_item->pp_children[0] );
}
vlc_object_release( p_playlist );
return VLC_SUCCESS;
}
static struct
{
char *psz_name;
char *psz_option;
} dvb_options[] =
{
{ "INVERSION_OFF", "dvb-inversion=0" },
{ "INVERSION_ON", "dvb-inversion=1" },
{ "INVERSION_AUTO", "dvb-inversion=2" },
{ "BANDWIDTH_AUTO", "dvb-bandwidth=0" },
{ "BANDWIDTH_6_MHZ", "dvb-bandwidth=6" },
{ "BANDWIDTH_7_MHZ", "dvb-bandwidth=7" },
{ "BANDWIDTH_8_MHZ", "dvb-bandwidth=8" },
{ "FEC_NONE", "dvb-fec=0" },
{ "FEC_1_2", "dvb-fec=1" },
{ "FEC_2_3", "dvb-fec=2" },
{ "FEC_3_4", "dvb-fec=3" },
{ "FEC_4_5", "dvb-fec=4" },
{ "FEC_5_6", "dvb-fec=5" },
{ "FEC_6_7", "dvb-fec=6" },
{ "FEC_7_8", "dvb-fec=7" },
{ "FEC_8_9", "dvb-fec=8" },
{ "FEC_AUTO", "dvb-fec=9" },
{ "GUARD_INTERVAL_AUTO", "dvb-guard=0" },
{ "GUARD_INTERVAL_1_4", "dvb-guard=4" },
{ "GUARD_INTERVAL_1_8", "dvb-guard=8" },
{ "GUARD_INTERVAL_1_16", "dvb-guard=16" },
{ "GUARD_INTERVAL_1_32", "dvb-guard=32" },
{ "HIERARCHY_NONE", "dvb-hierarchy=-1" },
{ "HIERARCHY_1", "dvb-hierarchy=1" },
{ "HIERARCHY_2", "dvb-hierarchy=2" },
{ "HIERARCHY_4", "dvb-hierarchy=4" },
{ "QPSK", "dvb-modulation=-1" },
{ "QAM_AUTO", "dvb-modulation=0" },
{ "QAM_16", "dvb-modulation=16" },
{ "QAM_32", "dvb-modulation=32" },
{ "QAM_64", "dvb-modulation=64" },
{ "QAM_128", "dvb-modulation=128" },
{ "QAM_256", "dvb-modulation=256" },
{ "TRANSMISSION_MODE_AUTO", "dvb-transmission=0" },
{ "TRANSMISSION_MODE_2K", "dvb-transmission=2" },
{ "TRANSMISSION_MODE_8K", "dvb-transmission=8" },
{ 0, 0 }
};
static int ParseLine( char *psz_line, char **ppsz_name,
char ***pppsz_options, int *pi_options )
{
char *psz_name = 0, *psz_parse = psz_line;
int i_count = 0, i_program = 0, i_frequency = 0;
vlc_bool_t b_valid = VLC_FALSE;
if( pppsz_options ) *pppsz_options = 0;
if( pi_options ) *pi_options = 0;
if( ppsz_name ) *ppsz_name = 0;
/* Skip leading tabs and spaces */
while( *psz_parse == ' ' || *psz_parse == '\t' ||
*psz_parse == '\n' || *psz_parse == '\r' ) psz_parse++;
/* Ignore comments */
if( *psz_parse == '#' ) return VLC_FALSE;
while( psz_parse )
{
char *psz_option = 0;
char *psz_end = strchr( psz_parse, ':' );
if( psz_end ) { *psz_end = 0; psz_end++; }
if( i_count == 0 )
{
/* Channel name */
psz_name = psz_parse;
}
else if( i_count == 1 )
{
/* Frequency */
char *psz_end;
long i_value;
i_value = strtol( psz_parse, &psz_end, 10 );
if( psz_end == psz_parse ||
i_value == LONG_MAX || i_value == LONG_MIN ) break;
i_frequency = i_value;
}
else
{
int i;
/* Check option name with our list */
for( i = 0; dvb_options[i].psz_name; i++ )
{
if( !strcmp( psz_parse, dvb_options[i].psz_name ) )
{
psz_option = dvb_options[i].psz_option;
/* If we recognize one of the strings, then we are sure
* the data is really valid (ie. a channels file). */
b_valid = VLC_TRUE;
break;
}
}
if( !psz_option )
{
/* Option not recognized, test if it is a number */
char *psz_end;
long i_value;
i_value = strtol( psz_parse, &psz_end, 10 );
if( psz_end != psz_parse &&
i_value != LONG_MAX && i_value != LONG_MIN )
{
i_program = i_value;
}
}
}
if( psz_option && pppsz_options && pi_options )
{
psz_option = strdup( psz_option );
INSERT_ELEM( *pppsz_options, (*pi_options), (*pi_options),
psz_option );
}
psz_parse = psz_end;
i_count++;
}
if( !b_valid && pppsz_options && pi_options )
{
/* This isn't a valid channels file, cleanup everything */
while( (*pi_options)-- ) free( (*pppsz_options)[*pi_options] );
if( *pppsz_options ) free( *pppsz_options );
*pppsz_options = 0; *pi_options = 0;
}
if( i_program && pppsz_options && pi_options )
{
char *psz_option;
asprintf( &psz_option, "program=%i", i_program );
INSERT_ELEM( *pppsz_options, (*pi_options), (*pi_options),
psz_option );
}
if( i_frequency && pppsz_options && pi_options )
{
char *psz_option;
asprintf( &psz_option, "dvb-frequency=%i", i_frequency );
INSERT_ELEM( *pppsz_options, (*pi_options), (*pi_options),
psz_option );
}
if( ppsz_name && psz_name ) *ppsz_name = strdup( psz_name );
return b_valid;
}
static int Control( demux_t *p_demux, int i_query, va_list args )
{
return VLC_EGENERIC;
}
......@@ -74,6 +74,11 @@ vlc_module_begin();
add_shortcut( "shout-b4s" );
set_capability( "demux2", 10 );
set_callbacks( E_(Import_B4S), E_(Close_B4S) );
add_submodule();
set_description( _("DVB playlist import") );
add_shortcut( "dvb-open" );
set_capability( "demux2", 10 );
set_callbacks( E_(Import_DVB), E_(Close_DVB) );
vlc_module_end();
......
......@@ -39,3 +39,6 @@ void E_(Close_PLS) ( vlc_object_t * );
int E_(Import_B4S) ( vlc_object_t * );
void E_(Close_B4S) ( vlc_object_t * );
int E_(Import_DVB) ( vlc_object_t * );
void E_(Close_DVB) ( vlc_object_t * );
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