+#elif defined(UNIX_PIPE_TO_PROCESSES)
+
+ int p[2];
+
+ if (pipe(p)) {
+ synfig::error(_("Unable to open pipe to encodedv"));
+ return false;
+ };
+
+ pid_t pid = fork();
+
+ if (pid == -1) {
+ synfig::error(_("Unable to open pipe to encodedv"));
+ return false;
+ }
+
+ if (pid == 0){
+ // Child process
+ // Close pipeout, not needed
+ close(p[1]);
+ // Dup pipeout to stdin
+ if( dup2( p[0], STDIN_FILENO ) == -1 ){
+ synfig::error(_("Unable to open pipe to encodedv"));
+ return false;
+ }
+ // Close the unneeded pipeout
+ close(p[0]);
+ // Open filename to stdout
+ FILE* outfile = fopen(filename.c_str(),"wb");
+ if( outfile == NULL ){
+ synfig::error(_("Unable to open pipe to encodedv"));
+ return false;
+ }
+ int outfilefd = fileno(outfile);
+ if( outfilefd == -1 ){
+ synfig::error(_("Unable to open pipe to encodedv"));
+ return false;
+ }
+ if( dup2( outfilefd, STDOUT_FILENO ) == -1 ){
+ synfig::error(_("Unable to open pipe to encodedv"));
+ return false;
+ }
+
+ if(wide_aspect)
+ execlp("encodedv", "encodedv", "-w", "1", "-", (const char *)NULL);
+ else
+ execlp("encodedv", "encodedv", "-", (const char *)NULL);
+ // We should never reach here unless the exec failed
+ synfig::error(_("Unable to open pipe to encodedv"));
+ return false;
+ } else {
+ // Parent process
+ // Close pipein, not needed
+ close(p[0]);
+ // Save pipeout to file handle, will write to it later
+ file = fdopen(p[1], "wb");
+ if (file == NULL) {
+ synfig::error(_("Unable to open pipe to encodedv"));
+ return false;
+ }
+ }
+
+#else
+ #error There are no known APIs for creating child processes
+#endif
+
+