**
** \legal
** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
+** Copyright (c) 2007 Chris Moore
**
** This package is free software; you can redistribute it and/or
** modify it under the terms of the GNU General Public License as
#include <ETL/stringf>
#include "trgt_dv.h"
#include <stdio.h>
+#include <sys/types.h>
+#if HAVE_SYS_WAIT_H
+ #include <sys/wait.h>
+#endif
+#if HAVE_IO_H
+ #include <io.h>
+#endif
+#if HAVE_PROCESS_H
+ #include <process.h>
+#endif
+#if HAVE_FCNTL_H
+ #include <fcntl.h>
+#endif
+#include <unistd.h>
#include <algorithm>
#include <functional>
#include <ETL/clock>
using namespace std;
using namespace etl;
+#if defined(HAVE_FORK) && defined(HAVE_PIPE) && defined(HAVE_WAITPID)
+ #define UNIX_PIPE_TO_PROCESSES
+#else
+ #define WIN32_PIPE_TO_PROCESSES
+#endif
+
/* === G L O B A L S ======================================================= */
SYNFIG_TARGET_INIT(dv_trgt);
dv_trgt::dv_trgt(const char *Filename)
{
+ pid=-1;
file=NULL;
filename=Filename;
buffer=NULL;
dv_trgt::~dv_trgt()
{
- if(file)
+ if(file){
+#if defined(WIN32_PIPE_TO_PROCESSES)
pclose(file);
+#elif defined(UNIX_PIPE_TO_PROCESSES)
+ fclose(file);
+ int status;
+ waitpid(pid,&status,0);
+#endif
+ }
file=NULL;
delete [] buffer;
delete [] color_buffer;
{
imagecount=desc.get_frame_start();
- string command;
+#if defined(WIN32_PIPE_TO_PROCESSES)
+ string command;
+
if(wide_aspect)
command=strprintf("encodedv -w 1 - > \"%s\"\n",filename.c_str());
else
command=strprintf("encodedv - > \"%s\"\n",filename.c_str());
// Open the pipe to encodedv
- file=popen(command.c_str(),"w");
+ file=popen(command.c_str(),POPEN_BINARY_WRITE_TYPE);
if(!file)
{
return false;
}
+#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
+
+
// Sleep for a moment to let the pipe catch up
etl::clock().sleep(0.25f);