shoutcast.c

VLC Player Source Code

                if( !strcmp( psz_eltname, "genre" ) )
                {
                    char* psz_mrl;
                    if( asprintf( &psz_mrl, SHOUTCAST_BASE_URL "?genre=%s",
                             psz_name ) != -1 )
                    {
                        p_input = input_item_NewExt( p_demux, psz_mrl,
                                                    psz_name, 0, NULL, -1 );
                        input_item_CopyOptions( p_sys->p_current_input, p_input );
                        free( psz_mrl );
                        input_item_AddSubItem( p_sys->p_current_input, p_input );
                        vlc_gc_decref( p_input );
                    }
                    FREENULL( psz_name );
                }
                FREENULL( psz_eltname );
                break;
        }
    }
    return 0;
}

/* radio stations:
 * <stationlist>
 *   <tunein base="/sbin/tunein-station.pls"></tunein>
 *   <station name="the name"
 *            mt="mime type"
 *            id="the id"
 *            br="bit rate"
 *            genre="A big genre string"
 *            ct="current track name/author/..."
 *            lc="listener count"></station>
 * </stationlist>
 *
 * TV stations:
 * <stationlist>
 *   <tunein base="/sbin/tunein-station.pls"></tunein>
 *   <station name="the name"
 *            id="the id"
 *            br="bit rate"
 *            rt="rating"
 *            load="server load ?"
 *            ct="current track name/author/..."
 *            genre="A big genre string"
 *            lc="listener count"></station>
 * </stationlist>
 **/
static int DemuxStation( demux_t *p_demux )
{
    demux_sys_t *p_sys = p_demux->p_sys;
    input_item_t *p_input;

    char *psz_base = NULL; /* */

    char *psz_name = NULL; /* genre name */
    char *psz_mt = NULL; /* mime type */
    char *psz_id = NULL; /* id */
    char *psz_br = NULL; /* bit rate */
    char *psz_genre = NULL; /* genre */
    char *psz_ct = NULL; /* current track */
    char *psz_lc = NULL; /* listener count */

    /* If these are set then it's *not* a radio but a TV */
    char *psz_rt = NULL; /* rating for shoutcast TV */
    char *psz_load = NULL; /* load for shoutcast TV */

    char *psz_eltname = NULL; /* tag name */

    while( xml_ReaderRead( p_sys->p_xml_reader ) == 1 )
    {
        int i_type;

        // Get the node type
        i_type = xml_ReaderNodeType( p_sys->p_xml_reader );
        switch( i_type )
        {
            // Error
            case -1:
                return -1;
                break;

            case XML_READER_STARTELEM:
                // Read the element name
                psz_eltname = xml_ReaderName( p_sys->p_xml_reader );
                if( !psz_eltname ) return -1;

                // Read the attributes
                if( !strcmp( psz_eltname, "tunein" ) )
                {
                    while( xml_ReaderNextAttr( p_sys->p_xml_reader ) == VLC_SUCCESS )
                    {
                        char *psz_attrname = xml_ReaderName( p_sys->p_xml_reader );
                        char *psz_attrvalue =
                            xml_ReaderValue( p_sys->p_xml_reader );
                        if( !psz_attrname || !psz_attrvalue )
                        {
                            free( psz_eltname );
                            free( psz_attrname );
                            free( psz_attrvalue );
                            return -1;
                        }

                        GET_VALUE( base )
                        else
                        {
                            msg_Warn( p_demux,
                                      "unexpected attribure %s in element %s",
                                      psz_attrname, psz_eltname );
                        }
                        free( psz_attrname );
                        free( psz_attrvalue );
                    }
                }
                else if( !strcmp( psz_eltname, "station" ) )
                {
                    while( xml_ReaderNextAttr( p_sys->p_xml_reader ) == VLC_SUCCESS )
                    {
                        char *psz_attrname = xml_ReaderName( p_sys->p_xml_reader );
                        char *psz_attrvalue =
                            xml_ReaderValue( p_sys->p_xml_reader );
                        if( !psz_attrname || !psz_attrvalue )
                        {
                            free( psz_eltname );
                            free( psz_attrname );
                            free( psz_attrvalue );
                            return -1;
                        }

                        GET_VALUE( name )
                        else GET_VALUE( mt )
                        else GET_VALUE( id )
                        else GET_VALUE( br )
                        else GET_VALUE( genre )
                        else GET_VALUE( ct )
                        else GET_VALUE( lc )
                        else GET_VALUE( rt )
                        else GET_VALUE( load )
                        else
                        {
                            msg_Warn( p_demux,
                                      "unexpected attribute %s in element %s",
                                      psz_attrname, psz_eltname );
                        }
                        free( psz_attrname );
                        free( psz_attrvalue );
                    }
                }
                free( psz_eltname );
                break;

            case XML_READER_TEXT:
                break;

            // End element
            case XML_READER_ENDELEM:
                // Read the element name
                psz_eltname = xml_ReaderName( p_sys->p_xml_reader );
                if( !psz_eltname ) return -1;
                if( !strcmp( psz_eltname, "station" ) &&
                    ( psz_base || ( psz_rt && psz_load &&
                    ( p_sys->b_adult || strcmp( psz_rt, "NC17" ) ) ) ) )
                {
                    char *psz_mrl = NULL;
                    if( psz_rt || psz_load )
                    {
                        /* tv */
                        psz_mrl = malloc( strlen( SHOUTCAST_TV_TUNEIN_URL )
                                          + strlen( psz_id ) + 1 );
                        sprintf( psz_mrl, SHOUTCAST_TV_TUNEIN_URL "%s",
                                 psz_id );
                    }
                    else
                    {
                        /* radio */
                        psz_mrl = malloc( strlen( SHOUTCAST_TUNEIN_BASE_URL )
                            + strlen( psz_base ) + strlen( "?id=" )
                            + strlen( psz_id ) + 1 );
                        sprintf( psz_mrl, SHOUTCAST_TUNEIN_BASE_URL "%s?id=%s",
                             psz_base, psz_id );
                    }
                    p_input = input_item_NewExt( p_demux, psz_mrl,
                                                psz_name , 0, NULL, -1 );
                    free( psz_mrl );

                    input_item_CopyOptions( p_sys->p_current_input,
                                                p_input );

#define SADD_INFO( type, field ) if( field ) { input_item_AddInfo( \
                    p_input, _("Shoutcast"), _(type), "%s", field ) ; }
                    SADD_INFO( "Mime type", psz_mt );
                    SADD_INFO( "Bitrate", psz_br );
                    SADD_INFO( "Listeners", psz_lc );
                    SADD_INFO( "Load", psz_load );
                    if( psz_genre )
                        input_item_SetGenre( p_input, psz_genre );
                    if( psz_ct )
                        input_item_SetNowPlaying( p_input, psz_ct );
                    if( psz_rt )
                        input_item_SetRating( p_input, psz_rt );
                    input_item_AddSubItem( p_sys->p_current_input, p_input );
                    vlc_gc_decref( p_input );
                    FREENULL( psz_name );
                    FREENULL( psz_mt );
                    FREENULL( psz_id );
                    FREENULL( psz_br );
                    FREENULL( psz_genre );
                    FREENULL( psz_ct );
                    FREENULL( psz_lc );
                    FREENULL( psz_rt );
                }
                free( psz_eltname );
                break;
        }
    }
    return 0;
}

static int Control( demux_t *p_demux, int i_query, va_list args )
{
    VLC_UNUSED(p_demux); VLC_UNUSED(i_query); VLC_UNUSED(args);
    return VLC_EGENERIC;
}