* m3u.c: a meta demux to parse m3u and asx playlists
*****************************************************************************
* Copyright (C) 2001 VideoLAN
- * $Id: m3u.c,v 1.2 2002/11/13 11:09:56 gbazin Exp $
+ * $Id: m3u.c,v 1.10 2002/12/14 01:05:53 babal Exp $
*
* Authors: Sigmund Augdal <sigmunau@idi.ntnu.no>
* Gildas Bazin <gbazin@netcourrier.com>
#define TYPE_M3U 1
#define TYPE_ASX 2
+#define TYPE_HTML 3
struct demux_sys_t
{
/*****************************************************************************
* Local prototypes
*****************************************************************************/
-static int Init ( vlc_object_t * );
+static int Activate ( vlc_object_t * );
+static void Deactivate( vlc_object_t * );
static int Demux ( input_thread_t * );
/*****************************************************************************
vlc_module_begin();
set_description( "m3u/asx metademux" );
set_capability( "demux", 10 );
- set_callbacks( Init, NULL );
+ set_callbacks( Activate, Deactivate );
+ add_shortcut( "m3u" );
+ add_shortcut( "asx" );
+ add_shortcut( "html" );
vlc_module_end();
/*****************************************************************************
- * Init: initializes ES structures
+ * Activate: initializes m3u demux structures
*****************************************************************************/
-static int Init( vlc_object_t * p_this )
+static int Activate( vlc_object_t * p_this )
{
input_thread_t *p_input = (input_thread_t *)p_this;
char *psz_ext;
/* Check for m3u/asx file extension */
psz_ext = strrchr ( p_input->psz_name, '.' );
- if( !strcasecmp( psz_ext, ".m3u") )
+ if( !strcasecmp( psz_ext, ".m3u") ||
+ ( p_input->psz_demux && !strncmp(p_input->psz_demux, "m3u", 3) ) )
{
i_type = TYPE_M3U;
}
- else if( !strcasecmp( psz_ext, ".asx") )
+ else if( !strcasecmp( psz_ext, ".asx") ||
+ ( p_input->psz_demux && !strncmp(p_input->psz_demux, "asx", 3) ) )
{
i_type = TYPE_ASX;
}
+ else if( !strcasecmp( psz_ext, ".html") ||
+ ( p_input->psz_demux && !strncmp(p_input->psz_demux, "html", 4) ) )
+ {
+ i_type = TYPE_HTML;
+ }
+ /* we had no luck looking at the file extention, so we have a look
+ * at the content. This is useful for .asp, .php and similar files
+ * that are actually html. Also useful for som asx files that have
+ * another extention */
if( !i_type )
- return -1;
-
+ {
+ byte_t *p_peek;
+ int i_size = input_Peek( p_input, &p_peek, MAX_LINE );
+ i_size -= sizeof("<html>") - 1;
+ if ( i_size > 0 ) {
+ while ( i_size
+ && strncasecmp( p_peek, "<html>", sizeof("<html>") - 1 )
+ && strncasecmp( p_peek, "<asx", sizeof("<asx") - 1 ) )
+ {
+ p_peek++;
+ i_size--;
+ }
+ if ( !i_size )
+ {
+ return -1;
+ }
+ else if ( !strncasecmp( p_peek, "<html>", sizeof("<html>") -1 ) )
+ {
+ i_type = TYPE_HTML;
+ }
+ else if ( !strncasecmp( p_peek, "<asx", sizeof("<asx") -1 ) )
+ {
+ i_type = TYPE_ASX;
+ }
+ }
+ }
/* Allocate p_m3u */
if( !( p_m3u = malloc( sizeof( demux_sys_t ) ) ) )
{
return 0;
}
+/*****************************************************************************
+ * Deactivate: frees unused data
+ *****************************************************************************/
+static void Deactivate( vlc_object_t *p_this )
+{
+ input_thread_t *p_input = (input_thread_t *)p_this;
+ demux_sys_t *p_m3u = (demux_sys_t *)p_input->p_demux_data ;
+
+ free( p_m3u );
+}
+
+/*****************************************************************************
+ * Demux: reads and demuxes data packets
+ *****************************************************************************
+ * Returns -1 in case of error, 0 in case of EOF, 1 otherwise
+ *****************************************************************************/
+static void ProcessLine ( input_thread_t *p_input , demux_sys_t *p_m3u
+ , playlist_t *p_playlist , char psz_line[MAX_LINE] )
+{
+ char *psz_bol, *psz_name;
+
+ psz_bol = psz_line;
+
+ /* Remove unnecessary tabs or spaces at the beginning of line */
+ while( *psz_bol == ' ' || *psz_bol == '\t' ||
+ *psz_bol == '\n' || *psz_bol == '\r' )
+ psz_bol++;
+
+ if( p_m3u->i_type == TYPE_M3U )
+ {
+ /* Check for comment line */
+ if( *psz_bol == '#' )
+ /*line is comment or extended info, ignored for now */
+ return;
+ }
+ else if ( p_m3u->i_type == TYPE_ASX )
+ {
+ /* We are dealing with ASX files.
+ * We are looking for "<ref href=" xml markups that
+ * begins with "mms://", "http://" or "file://" */
+ char *psz_eol;
+
+ while( *psz_bol &&
+ strncasecmp( psz_bol, "ref", sizeof("ref") - 1 ) )
+ psz_bol++;
+
+ if( !*psz_bol ) return;
+
+ while( *psz_bol &&
+ strncasecmp( psz_bol, "href", sizeof("href") - 1 ) )
+ psz_bol++;
+
+ if( !*psz_bol ) return;
+
+ while( *psz_bol &&
+ strncasecmp( psz_bol, "mms://",
+ sizeof("mms://") - 1 ) &&
+ strncasecmp( psz_bol, "http://",
+ sizeof("http://") - 1 ) &&
+ strncasecmp( psz_bol, "file://",
+ sizeof("file://") - 1 ) )
+ psz_bol++;
+
+ if( !*psz_bol ) return;
+
+ psz_eol = strchr( psz_bol, '"');
+ if( !psz_eol )
+ return;
+
+ *psz_eol = '\0';
+ }
+ else
+ {
+ /* We are dealing with a html file with embedded
+ * video. We are looking for "<param name="filename"
+ * value=" html markups that begin with "http://" */
+ char *psz_eol;
+
+ while( *psz_bol &&
+ strncasecmp( psz_bol, "param", sizeof("param") - 1 ) )
+ psz_bol++;
+
+ if( !*psz_bol ) return;
+
+ while( *psz_bol &&
+ strncasecmp( psz_bol, "filename", sizeof("filename") - 1 ) )
+ psz_bol++;
+
+ if( !*psz_bol ) return;
+
+ while( *psz_bol &&
+ strncasecmp( psz_bol, "http://",
+ sizeof("http://") - 1 ) )
+ psz_bol++;
+
+ if( !*psz_bol ) return;
+
+ psz_eol = strchr( psz_bol, '"');
+ if( !psz_eol )
+ return;
+
+ *psz_eol = '\0';
+
+ }
+
+ /*
+ * From now on, we know we've got a meaningful line
+ */
+
+ /* Check if the line has an absolute or relative path */
+ psz_name = psz_bol;
+ while( *psz_name && strncmp( psz_name, "://", sizeof("://") - 1 ) )
+ {
+ psz_name++;
+ }
+#ifndef WIN32
+ if( !*psz_name && *psz_bol != '/' )
+#else
+ if( !*psz_name && (strlen(psz_bol) < 2 ||
+ ( *(psz_bol+1) != ':' &&
+ strncmp( psz_bol, "\\\\", 2 ) ) ) )
+#endif
+ {
+ /* the line doesn't specify a protocol name.
+ * If this line doesn't begin with a '/' then assume the path
+ * is relative to the path of the m3u file. */
+ char *psz_path = strdup( p_input->psz_name );
+
+#ifndef WIN32
+ psz_name = strrchr( psz_path, '/' );
+#else
+ psz_name = strrchr( psz_path, '\\' );
+ if ( ! psz_name ) psz_name = strrchr( psz_path, '/' );
+#endif
+ if( psz_name ) *psz_name = '\0';
+ else *psz_path = '\0';
+#ifndef WIN32
+ psz_name = malloc( strlen(psz_path) + strlen(psz_bol) + 2 );
+ sprintf( psz_name, "%s/%s", psz_path, psz_bol );
+#else
+ if ( *psz_path != '\0' )
+ {
+ psz_name = malloc( strlen(psz_path) + strlen(psz_bol) + 2 );
+ sprintf( psz_name, "%s\\%s", psz_path, psz_bol );
+ }
+ else psz_name = strdup( psz_bol );
+#endif
+ free( psz_path );
+ }
+ else
+ {
+ psz_name = strdup( psz_bol );
+ }
+
+ playlist_Add( p_playlist, psz_name,
+ PLAYLIST_APPEND, PLAYLIST_END );
+
+ free( psz_name );
+}
+
static int Demux ( input_thread_t *p_input )
{
data_packet_t *p_data;
- char *p_buf, psz_line[MAX_LINE], *psz_bol, eol_tok;
+ char *p_buf, psz_line[MAX_LINE], eol_tok;
int i_size, i_bufpos, i_linepos = 0;
playlist_t *p_playlist;
vlc_bool_t b_discard = VLC_FALSE;
/* Depending on wether we are dealing with an m3u/asf file, the end of
* line token will be different */
- if( p_m3u->i_type == TYPE_ASX )
+ if( p_m3u->i_type == TYPE_ASX || p_m3u->i_type == TYPE_HTML )
eol_tok = '>';
- else
+ else
eol_tok = '\n';
while( ( i_size = input_SplitBuffer( p_input, &p_data, MAX_LINE ) ) > 0 )
}
else
{
- psz_line[i_linepos] = p_buf[i_bufpos];
- i_linepos++;
+ if ( eol_tok != '\n' || p_buf[i_bufpos] != '\r' )
+ {
+ psz_line[i_linepos] = p_buf[i_bufpos];
+ i_linepos++;
+ }
}
i_size--; i_bufpos++;
if( !i_linepos ) continue;
psz_line[i_linepos] = '\0';
- psz_bol = psz_line;
i_linepos = 0;
-
- /* Remove unnecessary tabs or spaces at the beginning of line */
- while( *psz_bol == ' ' || *psz_bol == '\t' ||
- *psz_bol == '\n' || *psz_bol == '\r' )
- psz_bol++;
-
- if( p_m3u->i_type == TYPE_M3U )
- {
- /* Check for comment line */
- if( *psz_bol == '#' )
- /*line is comment or extended info, ignored for now */
- continue;
- }
- else
- {
- /* We are dealing with ASX files.
- * We are looking for href html markups that begins with
- * "mms://" */
- char *psz_eol;
-
- while( *psz_bol && strncasecmp( psz_bol, "href",
- sizeof("href") - 1 ) )
- psz_bol++;
-
- if( !*psz_bol ) continue;
-
- while( *psz_bol && strncasecmp( psz_bol, "mms://",
- sizeof("mms://") - 1 ) )
- psz_bol++;
-
- if( !*psz_bol ) continue;
-
- psz_eol = strchr( psz_bol, '"');
- if( !psz_eol )
- continue;
-
- *psz_eol = '\0';
- }
-
- /*
- * From now on, we know we've got a meaningful line
- */
- playlist_Add( p_playlist, psz_bol,
- PLAYLIST_APPEND, PLAYLIST_END );
-
- continue;
+ ProcessLine ( p_input, p_m3u , p_playlist , psz_line );
}
input_DeletePacket( p_input->p_method_data, p_data );
}
+ if ( i_linepos && b_discard != VLC_TRUE && eol_tok == '\n' )
+ {
+ psz_line[i_linepos] = '\0';
+ i_linepos = 0;
+ ProcessLine ( p_input, p_m3u , p_playlist , psz_line );
+ }
+
vlc_object_release( p_playlist );
return 0;
projects / vlc / blobdiff