- int p[2];
- int stdin_fileno, stdout_fileno;
-
- if(_pipe(p, 512, O_BINARY | O_NOINHERIT) < 0) {
- cerr<<"Unable to open pipe to ffmpeg"<<endl;
- return false;
- }
-
- // Save stdin/stdout so we can restore them later
- stdin_fileno = _dup(_fileno(stdin));
- stdout_fileno = _dup(_fileno(stdout));
-
- // ffmpeg should write to the pipe
- if(_dup2(p[1], _fileno(stdout)) != 0) {
- cerr<<"Unable to open pipe to ffmpeg"<<endl;
- return false;
- }
-
- /*
- ffmpeg accepts the input filename on the command-line
- if(_dup2(_fileno(input), _fileno(stdin)) != 0) {
- synfig::error(_("Unable to open pipe to ffmpeg"));
- return false;
- }
- */
-
- pid = _spawnlp(_P_NOWAIT, "ffmpeg", "ffmpeg", "-i", filename.c_str(), "-an", "-f", "image2pipe", "-vcodec", "ppm", "-", (const char *)NULL);
- if( pid < 0) {
- cerr<<"Unable to open pipe to ffmpeg"<<endl;
- return false;
- }
-
- // Restore stdin/stdout
- if(_dup2(stdin_fileno, _fileno(stdin)) != 0) {
- cerr<<"Unable to open pipe to ffmpeg"<<endl;
- return false;
- }
- if(_dup2(stdout_fileno, _fileno(stdout)) != 0) {
- cerr<<"Unable to open pipe to ffmpeg"<<endl;
- return false;
- }
- close(stdin_fileno);
- close(stdout_fileno);
-
- // Close the pipe write end - ffmpeg uses it
- close(p[1]);
-
- // We read data from the read end of the pipe
- file = fdopen(p[0], "rb");