sender.h

voudp - VoIP for NetBSD

//
// Copyright 2004 Alan Post
//
// This file is part of voudp.
//
// voudp 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.
//
// voudp 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
// voudp; if not, write to the Free Software Foundation, Inc., 59 Temple Place,
// Suite 330, Boston, MA  02111-1307  USA
//

#ifndef __SENDER_H__
#define __SENDER_H__

#include "constants.h"
#include <sys/types.h>
#include <string>
#include <map>

struct recipient_info_t
{
    std::string host;
    size_t port;
    size_t max_packet_len;
    size_t max_buf_ms;
};

class packet_t;

class Sender
{
public:
    typedef map<std::string, recipient_info_t> infos_t;
    typedef map<std::string, packet_t*> actives_t;

    Sender();
    ~Sender();
    void push_frame( const float *frame );

    void set_recipient_info( const std::string      &name,
                             const recipient_info_t &info );
    bool get_recipient_info( const std::string      &name,
                                   recipient_info_t &info );

    bool start_recipient( const std::string &name );
    bool stop_recipient( const std::string &name );
    bool is_recipient_active( const std::string &name );
    void delete_recipient( const std::string &name );

    infos_t::const_iterator infos_begin() const;
    infos_t::const_iterator infos_end() const;

private:
    void send_packet();
    bool can_fit( const frame_len_t &frame_len );

    client_id_t cid;
    frame_id_t next_fid;

    infos_t infos;
    actives_t actives;

    void *speex_bits;
    void *enc_state;
};

#endif // __SENDER_H__