Example #1
0
static int Demux( demux_t *p_demux )
{
    int i_ret = -1;

    xml_reader_t *p_xml_reader = NULL;
    char *psz_elname = NULL;
    input_item_t *p_input;
    char *psz_mrl = NULL, *psz_title = NULL, *psz_genre = NULL;
    char *psz_now = NULL, *psz_listeners = NULL, *psz_bitrate = NULL;
    input_item_node_t *p_subitems = NULL;

    input_item_t *p_current_input = GetCurrentItem(p_demux);

    psz_elname = stream_ReadLine( p_demux->s );
    free( psz_elname );
    psz_elname = NULL;

    p_xml_reader = xml_ReaderCreate( p_demux, p_demux->s );
    if( !p_xml_reader )
        goto end;

    /* xml */
    /* check root node */
    if( xml_ReaderRead( p_xml_reader ) != 1 )
    {
        msg_Err( p_demux, "invalid file (no root node)" );
        goto end;
    }

    if( xml_ReaderNodeType( p_xml_reader ) != XML_READER_STARTELEM ||
        ( psz_elname = xml_ReaderName( p_xml_reader ) ) == NULL ||
        strcmp( psz_elname, "WinampXML" ) )
    {
        msg_Err( p_demux, "invalid root node %i, %s",
                 xml_ReaderNodeType( p_xml_reader ), psz_elname );
        goto end;
    }
    FREENULL( psz_elname );

    /* root node should not have any attributes, and should only
     * contain the "playlist node */

    /* Skip until 1st child node */
    while( (i_ret = xml_ReaderRead( p_xml_reader )) == 1 &&
           xml_ReaderNodeType( p_xml_reader ) != XML_READER_STARTELEM );
    if( i_ret != 1 )
    {
        msg_Err( p_demux, "invalid file (no child node)" );
        goto end;
    }

    if( ( psz_elname = xml_ReaderName( p_xml_reader ) ) == NULL ||
        strcmp( psz_elname, "playlist" ) )
    {
        msg_Err( p_demux, "invalid child node %s", psz_elname );
        goto end;
    }
    FREENULL( psz_elname );

    // Read the attributes
    while( xml_ReaderNextAttr( p_xml_reader ) == VLC_SUCCESS )
    {
        char *psz_name = xml_ReaderName( p_xml_reader );
        char *psz_value = xml_ReaderValue( p_xml_reader );
        if( !psz_name || !psz_value )
        {
            free( psz_name );
            free( psz_value );
            goto end;
        }
        if( !strcmp( psz_name, "num_entries" ) )
        {
            msg_Dbg( p_demux, "playlist has %d entries", atoi(psz_value) );
        }
        else if( !strcmp( psz_name, "label" ) )
        {
            input_item_SetName( p_current_input, psz_value );
        }
        else
        {
            msg_Warn( p_demux, "stray attribute %s with value %s in element"
                      " 'playlist'", psz_name, psz_value );
        }
        free( psz_name );
        free( psz_value );
    }

    p_subitems = input_item_node_Create( p_current_input );

    while( (i_ret = xml_ReaderRead( p_xml_reader )) == 1 )
    {
        // Get the node type
        switch( xml_ReaderNodeType( p_xml_reader ) )
        {
            // Error
            case -1:
                goto end;

            case XML_READER_STARTELEM:
            {
                // Read the element name
                free( psz_elname );
                psz_elname = xml_ReaderName( p_xml_reader );
                if( !psz_elname )
                    goto end;

                // Read the attributes
                while( xml_ReaderNextAttr( p_xml_reader ) == VLC_SUCCESS )
                {
                    char *psz_name = xml_ReaderName( p_xml_reader );
                    char *psz_value = xml_ReaderValue( p_xml_reader );
                    if( !psz_name || !psz_value )
                    {
                        free( psz_name );
                        free( psz_value );
                        goto end;
                    }
                    if( !strcmp( psz_elname, "entry" ) &&
                        !strcmp( psz_name, "Playstring" ) )
                    {
                        psz_mrl = psz_value;
                    }
                    else
                    {
                        msg_Warn( p_demux, "unexpected attribute %s in element %s",
                                  psz_name, psz_elname );
                        free( psz_value );
                    }
                    free( psz_name );
                }
                break;
            }
            case XML_READER_TEXT:
            {
                char *psz_text = xml_ReaderValue( p_xml_reader );
                if( IsWhitespace( psz_text ) )
                {
                    free( psz_text );
                    break;
                }
                if( !strcmp( psz_elname, "Name" ) )
                {
                    psz_title = psz_text;
                }
                else if( !strcmp( psz_elname, "Genre" ) )
                {
                    psz_genre = psz_text;
                }
                else if( !strcmp( psz_elname, "Nowplaying" ) )
                {
                    psz_now = psz_text;
                }
                else if( !strcmp( psz_elname, "Listeners" ) )
                {
                    psz_listeners = psz_text;
                }
                else if( !strcmp( psz_elname, "Bitrate" ) )
                {
                    psz_bitrate = psz_text;
                }
                else if( !strcmp( psz_elname, "" ) )
                {
                    free( psz_text );
                }
                else
                {
                    msg_Warn( p_demux, "unexpected text in element '%s'",
                              psz_elname );
                    free( psz_text );
                }
                break;
            }
            // End element
            case XML_READER_ENDELEM:
            {
                // Read the element name
                free( psz_elname );
                psz_elname = xml_ReaderName( p_xml_reader );
                if( !psz_elname )
                    goto end;
                if( !strcmp( psz_elname, "entry" ) )
                {
                    p_input = input_item_New( p_demux, psz_mrl, psz_title );
                    if( psz_now )
                        input_item_SetNowPlaying( p_input, psz_now );
                    if( psz_genre )
                        input_item_SetGenre( p_input, psz_genre );
                    if( psz_listeners )
                        msg_Err( p_demux, "Unsupported meta listeners" );
                    if( psz_bitrate )
                        msg_Err( p_demux, "Unsupported meta bitrate" );

                    input_item_node_AppendItem( p_subitems, p_input );
                    vlc_gc_decref( p_input );
                    FREENULL( psz_title );
                    FREENULL( psz_mrl );
                    FREENULL( psz_genre );
                    FREENULL( psz_bitrate );
                    FREENULL( psz_listeners );
                    FREENULL( psz_now );
                }
                free( psz_elname );
                psz_elname = strdup( "" );

                break;
            }
        }
    }

    if( i_ret != 0 )
    {
        msg_Warn( p_demux, "error while parsing data" );
        i_ret = 0; /* Needed for correct operation of go back */
    }

end:
    free( psz_elname );

    if( p_subitems )
        input_item_node_PostAndDelete( p_subitems );

    vlc_gc_decref( p_current_input );
    if( p_xml_reader )
        xml_ReaderDelete( p_xml_reader );
    return i_ret;
}
Example #2
0
static int Demux( demux_t *p_demux )
{
    int i_ret = -1;

    xml_reader_t *p_xml_reader = NULL;
    char *psz_elname = NULL;
    const char *node;
    input_item_t *p_input;
    char *psz_mrl = NULL, *psz_title = NULL, *psz_genre = NULL;
    char *psz_now = NULL, *psz_listeners = NULL, *psz_bitrate = NULL;
    input_item_node_t *p_subitems = NULL;

    input_item_t *p_current_input = GetCurrentItem(p_demux);

    free( stream_ReadLine( p_demux->s ) );

    p_xml_reader = xml_ReaderCreate( p_demux, p_demux->s );
    if( !p_xml_reader )
        return -1;

    /* xml */
    /* check root node */
    if( xml_ReaderNextNode( p_xml_reader, &node ) != XML_READER_STARTELEM )
    {
        msg_Err( p_demux, "invalid file (no root node)" );
        goto end;
    }

    if( strcmp( node, "WinampXML" ) )
    {
        msg_Err( p_demux, "invalid root node: %s", node );
        goto end;
    }

    /* root node should not have any attributes, and should only
     * contain the "playlist node */

    /* Skip until 1st child node */
    while( (i_ret = xml_ReaderNextNode( p_xml_reader, &node )) != XML_READER_STARTELEM )
        if( i_ret <= 0 )
        {
            msg_Err( p_demux, "invalid file (no child node)" );
            goto end;
        }

    if( strcmp( node, "playlist" ) )
    {
        msg_Err( p_demux, "invalid child node %s", node );
        goto end;
    }

    // Read the attributes
    const char *attr, *value;
    while( (attr = xml_ReaderNextAttr( p_xml_reader, &value )) != NULL )
    {
        if( !strcmp( attr, "num_entries" ) )
            msg_Dbg( p_demux, "playlist has %d entries", atoi(value) );
        else if( !strcmp( attr, "label" ) )
            input_item_SetName( p_current_input, value );
        else
            msg_Warn( p_demux, "stray attribute %s with value %s in element"
                      " <playlist>", attr, value );
    }

    p_subitems = input_item_node_Create( p_current_input );

    while( (i_ret = xml_ReaderNextNode( p_xml_reader, &node )) > 0 )
    {
        // Get the node type
        switch( i_ret )
        {
            case XML_READER_STARTELEM:
            {
                // Read the element name
                free( psz_elname );
                psz_elname = strdup( node );
                if( unlikely(!psz_elname) )
                    goto end;

                // Read the attributes
                while( (attr = xml_ReaderNextAttr( p_xml_reader, &value )) )
                {
                    if( !strcmp( psz_elname, "entry" ) &&
                        !strcmp( attr, "Playstring" ) )
                    {
                        free( psz_mrl );
                        psz_mrl = strdup( value );
                    }
                    else
                    {
                        msg_Warn( p_demux, "unexpected attribute %s in <%s>",
                                  attr, psz_elname );
                    }
                }
                break;
            }

            case XML_READER_TEXT:
            {
                char **p;

                if( psz_elname == NULL )
                    break;
                if( IsWhitespace( node ) )
                    break;
                if( !strcmp( psz_elname, "Name" ) )
                    p = &psz_title;
                else if( !strcmp( psz_elname, "Genre" ) )
                    p = &psz_genre;
                else if( !strcmp( psz_elname, "Nowplaying" ) )
                    p = &psz_now;
                else if( !strcmp( psz_elname, "Listeners" ) )
                    p = &psz_listeners;
                else if( !strcmp( psz_elname, "Bitrate" ) )
                    p = &psz_bitrate;
                else
                {
                    msg_Warn( p_demux, "unexpected text in element <%s>",
                              psz_elname );
                    break;
                }
                free( *p );
                *p = strdup( node );
                break;
            }

            // End element
            case XML_READER_ENDELEM:
            {
                // Read the element name
                if( !strcmp( node, "entry" ) )
                {
                    p_input = input_item_New( p_demux, psz_mrl, psz_title );
                    if( psz_now )
                        input_item_SetNowPlaying( p_input, psz_now );
                    if( psz_genre )
                        input_item_SetGenre( p_input, psz_genre );
                    if( psz_listeners )
                        msg_Err( p_demux, "Unsupported meta listeners" );
                    if( psz_bitrate )
                        msg_Err( p_demux, "Unsupported meta bitrate" );

                    input_item_node_AppendItem( p_subitems, p_input );
                    vlc_gc_decref( p_input );
                    FREENULL( psz_title );
                    FREENULL( psz_mrl );
                    FREENULL( psz_genre );
                    FREENULL( psz_bitrate );
                    FREENULL( psz_listeners );
                    FREENULL( psz_now );
                }
                FREENULL( psz_elname );
                break;
            }
        }
    }

    if( i_ret < 0 )
    {
        msg_Warn( p_demux, "error while parsing data" );
        i_ret = 0; /* Needed for correct operation of go back */
    }

end:
    free( psz_elname );

    if( p_subitems )
        input_item_node_PostAndDelete( p_subitems );

    vlc_gc_decref( p_current_input );
    if( p_xml_reader )
        xml_ReaderDelete( p_xml_reader );
    return i_ret;
}
Example #3
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 */
                        if( asprintf( &psz_mrl, SHOUTCAST_TV_TUNEIN_URL "%s",
                                 psz_id ) == -1)
                            psz_mrl = NULL;
                    }
                    else
                    {
                        /* radio */
                        if( asprintf( &psz_mrl, SHOUTCAST_TUNEIN_BASE_URL "%s?id=%s",
                             psz_base, psz_id ) == -1 )
                            psz_mrl = NULL;
                    }
                    p_input = input_item_New( p_demux, psz_mrl, psz_name );
                    input_item_CopyOptions( p_sys->p_current_input, p_input );
                    free( psz_mrl );

#define SADD_INFO( type, field ) \
                    if( field ) \
                        input_item_AddInfo( p_input, _("Shoutcast"), \
                                            vlc_gettext(type), "%s", field )
                    SADD_INFO( N_("Mime"), psz_mt );
                    SADD_INFO( N_("Bitrate"), psz_br );
                    SADD_INFO( N_("Listeners"), psz_lc );
                    SADD_INFO( N_("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;
        }
    }
/* 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, xml_reader_t *p_xml_reader,
                         input_item_node_t *p_input_node, bool b_adult )
{
    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 */

    const char *node; /* tag name */
    int i_type;

    while( (i_type = xml_ReaderNextNode( p_xml_reader, &node )) > 0 )
    {
        switch( i_type )
        {
            case XML_READER_STARTELEM:
                // Read the attributes
                if( !strcmp( node, "tunein" ) )
                {
                    const char *name, *value;
                    while( (name = xml_ReaderNextAttr( p_xml_reader, &value )) )
                    {
                        if( !strcmp( name, "base" ) )
                        {
                            free( psz_base );
                            psz_base = strdup( value );
                        }
                        else
                            msg_Warn( p_demux,
                                      "unexpected attribute %s in <%s>",
                                      name, node );
                    }
                }
                else if( !strcmp( node, "station" ) )
                {
                    const char *name, *value;
                    while( (name = xml_ReaderNextAttr( p_xml_reader, &value )) )
                    {
                        char **p = NULL;
                        if( !strcmp( name, "name" ) )
                            p = &psz_name;
                        else if ( !strcmp( name, "mt" ) )
                            p = &psz_mt;
                        else if ( !strcmp( name, "id" ) )
                            p = &psz_id;
                        else if ( !strcmp( name, "br" ) )
                            p = &psz_br;
                        else if ( !strcmp( name, "genre" ) )
                            p = &psz_genre;
                        else if ( !strcmp( name, "ct" ) )
                            p = &psz_ct;
                        else if ( !strcmp( name, "lc" ) )
                            p = &psz_lc;
                        else if ( !strcmp( name, "rt" ) )
                            p = &psz_rt;
                        else if ( !strcmp( name, "load" ) )
                            p = &psz_load;
                        if( p != NULL )
                        {
                            free( *p );
                            *p = strdup( value );
                        }
                        else
                            msg_Warn( p_demux,
                                      "unexpected attribute %s in <%s>",
                                      name, node );
                    }
                }
                break;

            // End element
            case XML_READER_ENDELEM:
                if( !strcmp( node, "station" ) &&
                    ( psz_base || ( psz_rt && psz_load &&
                    ( b_adult || strcmp( psz_rt, "NC17" ) ) ) ) )
                {
                    char *psz_mrl = NULL;
                    if( psz_rt || psz_load )
                    {
                        /* tv */
                        if( asprintf( &psz_mrl, SHOUTCAST_TV_TUNEIN_URL "%s",
                                 psz_id ) == -1)
                            psz_mrl = NULL;
                    }
                    else
                    {
                        /* radio */
                        if( asprintf( &psz_mrl, SHOUTCAST_TUNEIN_BASE_URL "%s?id=%s",
                             psz_base, psz_id ) == -1 )
                            psz_mrl = NULL;
                    }

                    /* Create the item */
                    input_item_t *p_input;
                    p_input = input_item_New( psz_mrl, psz_name );
                    input_item_CopyOptions( p_input_node->p_item, p_input );
                    free( psz_mrl );

#define SADD_INFO( type, field ) \
                    if( field ) \
                        input_item_AddInfo( p_input, _("Shoutcast"), \
                                            vlc_gettext(type), "%s", field )
                    SADD_INFO( N_("Mime"), psz_mt );
                    SADD_INFO( N_("Bitrate"), psz_br );
                    SADD_INFO( N_("Listeners"), psz_lc );
                    SADD_INFO( N_("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_node_AppendItem( p_input_node, p_input );
                    vlc_gc_decref( p_input );
                    FREENULL( psz_base );
                    FREENULL( psz_name );
                    FREENULL( psz_mt );
                    FREENULL( psz_id );
                    FREENULL( psz_br );
                    FREENULL( psz_genre );
                    FREENULL( psz_ct );
                    FREENULL( psz_lc );
                    FREENULL( psz_rt );
                    FREENULL( psz_load );
                }
                break;
        }
    }
    /* FIXME: leaks on missing ENDELEMENT? */
    return 0;
}