source: roaraudio/libroar/simple.c @ 451:ef127bf9f801

//simple.c:

#include "libroar.h"

int roar_simple_connect (struct roar_connection * con, char * server, char * name) {

 ROAR_DBG("roar_simple_connect(*): trying to connect...");

 if ( roar_connect(con, server) == -1 ) {
  ROAR_DBG("roar_simple_connect(*): roar_connect() faild!");
  return -1;
 }

 if ( roar_identify(con, name) == -1 ) {
  ROAR_DBG("roar_simple_connect(*): roar_identify() faild!");
  return -1;
 }

 if ( roar_auth(con) == -1 ) {
  ROAR_DBG("roar_simple_connect(*): roar_auth() faild!");
  return -1;
 }

 return 0;
}

int roar_simple_stream(int rate, int channels, int bits, int codec, char * server, int dir, char * name) {
 struct roar_connection con;
 struct roar_stream     s;

 if ( roar_simple_connect(&con, server, name) == -1 ) {
  ROAR_DBG("roar_simple_play(*): roar_simple_connect() faild!");
  return -1;
 }

 if ( roar_stream_new(&s, rate, channels, bits, codec) == -1 ) {
  roar_disconnect(&con);
  return -1;
 }

 if ( roar_stream_connect(&con, &s, dir) == -1 ) {
  roar_disconnect(&con);
  return -1;
 }

 if ( roar_stream_exec(&con, &s) == -1 ) {
  roar_disconnect(&con);
  return -1;
 }

 if ( dir == ROAR_DIR_PLAY ) {
  shutdown(con.fh, SHUT_RD);
 } else if ( dir == ROAR_DIR_MONITOR || dir == ROAR_DIR_RECORD ) {
  shutdown(con.fh, SHUT_WR);
 }

 return con.fh;
}

int roar_simple_new_stream (struct roar_connection * con, int rate, int channels, int bits, int codec, int dir) {
 struct roar_stream     s;
 return roar_simple_new_stream_obj(con, &s, rate, channels, bits, codec, dir);
}

int roar_simple_new_stream_obj (struct roar_connection * con, struct roar_stream * s, int rate, int channels, int bits, int codec, int dir) {
 struct roar_message    mes;
 char file[80];
 int fh = -1, listen;
 static int count = 0;
 struct group   * grp  = NULL;

 sprintf(file, "/tmp/.libroar-simple-stream.%i-%i", getpid(), count++);

 if ( (listen = roar_socket_listen(ROAR_SOCKET_TYPE_UNIX, file, 0)) == -1 ) {
  return -1;
 }

 chmod(file, S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP);

 grp = getgrnam(ROAR_DEFAULT_SOCKGRP);

 if ( grp )
  chown(file, -1, grp->gr_gid);

 if ( roar_stream_new(s, rate, channels, bits, codec) == -1 ) {
  return -1;
 }

 if ( roar_stream_connect(con, s, dir) == -1 ) {
  return -1;
 }

 if ( roar_stream_connect_to_ask(con, s, ROAR_SOCKET_TYPE_UNIX, file, 0) != -1 ) {

  if ( (fh = accept(listen, NULL, NULL)) != -1 ) {
   if ( dir == ROAR_DIR_PLAY ) {
    shutdown(fh, SHUT_RD);
   } else if ( dir == ROAR_DIR_MONITOR || dir == ROAR_DIR_RECORD ) {
    shutdown(fh, SHUT_WR);
   }
  }
   if ( roar_recv_message(con, &mes, NULL) == -1 ) {
    close(fh);
    fh = -1;
   } else if ( mes.cmd != ROAR_CMD_OK ) {
    close(fh);
    fh = -1;
   }
 }

 close(listen);
 unlink(file);

 return fh;
}


int roar_simple_play_file(char * file, char * server, char * name) {
 struct roar_connection con;

 if ( roar_simple_connect(&con, server, name) == -1 ) {
  return -1;
 }

 return roar_file_play(&con, file, 1); // con is closed by this as this stream will be an execed one.
}

int roar_simple_play(int rate, int channels, int bits, int codec, char * server, char * name) {
 return roar_simple_stream(rate, channels, bits, codec, server, ROAR_DIR_PLAY, name);
}

int roar_simple_monitor(int rate, int channels, int bits, int codec, char * server, char * name) {
 return roar_simple_stream(rate, channels, bits, codec, server, ROAR_DIR_MONITOR, name);
}

int roar_simple_record(int rate, int channels, int bits, int codec, char * server, char * name) {
 return roar_simple_stream(rate, channels, bits, codec, server, ROAR_DIR_RECORD, name);
}

int roar_simple_filter(int rate, int channels, int bits, int codec, char * server, char * name) {
 return roar_simple_stream(rate, channels, bits, codec, server, ROAR_DIR_FILTER, name);
}


int roar_simple_close(int fh) {
 return close(fh);
}

int roar_simple_get_standby (int fh) {
 struct roar_connection con;

 con.fh = fh;

 return roar_get_standby(&con);
}

//ll