shoutcast.c

uclinux 下的vlc播放器源代码

                                          p_sys->p_current->pp_parents[0]->i_view,
                                          p_sys->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_sys->p_current, p_item );

                    vlc_input_item_CopyOptions( &p_sys->p_current->input,
                                                &p_item->input );

                    FREE( psz_name );
                }
                FREE( 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;

    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 attribure %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" ) ) ) ) )
                {
                    playlist_item_t *p_item;
                    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_item = playlist_ItemNew( p_sys->p_playlist, psz_mrl,
                                               psz_name );
                    free( psz_mrl );

                    if( psz_mt )
                    {
                        vlc_input_item_AddInfo( &p_item->input,
                                                _( "Shoutcast" ),
                                                _( "Mime type" ),
                                                "%s",
                                                psz_mt );
                    }
                    if( psz_br )
                    {
                        vlc_input_item_AddInfo( &p_item->input,
                                                _( "Shoutcast" ),
                                                _( "Bitrate" ),
                                                "%s",
                                                psz_br );
                    }
                    if( psz_genre )
                    {
                        vlc_input_item_AddInfo( &p_item->input,
                                                _(VLC_META_INFO_CAT),
                                                _(VLC_META_GENRE),
                                                "%s",
                                                psz_genre );
                    }
                    if( psz_ct )
                    {
                        vlc_input_item_AddInfo( &p_item->input,
                                                _(VLC_META_INFO_CAT),
                                                _(VLC_META_NOW_PLAYING),
                                                "%s",
                                                psz_ct );
                    }
                    if( psz_lc )
                    {
                        vlc_input_item_AddInfo( &p_item->input,
                                                _( "Shoutcast" ),
                                                _( "Listeners" ),
                                                "%s",
                                                psz_lc );
                    }
                    if( psz_rt )
                    {
                        vlc_input_item_AddInfo( &p_item->input,
                                                _(VLC_META_INFO_CAT),
                                                _(VLC_META_RATING),
                                                "%s",
                                                psz_rt );
                    }
                    if( psz_load )
                    {
                        vlc_input_item_AddInfo( &p_item->input,
                                                _( "Shoutcast" ),
                                                _( "Load" ),
                                                "%s",
                                                psz_load );
                    }

                    playlist_NodeAddItem( p_sys->p_playlist, p_item,
                                          p_sys->p_current->pp_parents[0]->i_view,
                                          p_sys->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_sys->p_current, p_item );

                    vlc_input_item_CopyOptions( &p_sys->p_current->input,
                                                &p_item->input );

                    FREE( psz_name );
                    FREE( psz_mt )
                    FREE( psz_id )
                    FREE( psz_br )
                    FREE( psz_genre )
                    FREE( psz_ct )
                    FREE( psz_lc )
                    FREE( psz_rt )
                }
                free( psz_eltname );
                break;
        }
    }
    return 0;
}
#undef FREE

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