-/*! ========================================================================
-** Synfig
-** ppm Target Module
-** $Id: trgt_dv.cpp,v 1.1.1.1 2005/01/04 01:23:10 darco Exp $
+/* === S Y N F I G ========================================================= */
+/*! \file trgt_dv.cpp
+** \brief ppm Target Module
**
-** Copyright (c) 2002 Robert B. Quattlebaum Jr.
+** $Id$
**
-** This software and associated documentation
-** are CONFIDENTIAL and PROPRIETARY property of
-** the above-mentioned copyright holder.
+** \legal
+** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
+** Copyright (c) 2007 Chris Moore
**
-** You may not copy, print, publish, or in any
-** other way distribute this software without
-** a prior written agreement with
-** the copyright holder.
+** This package 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.
+**
+** This package 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.
+** \endlegal
**
** === N O T E S ===========================================================
**
#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);
SYNFIG_TARGET_SET_NAME(dv_trgt,"dv");
SYNFIG_TARGET_SET_EXT(dv_trgt,"dv");
SYNFIG_TARGET_SET_VERSION(dv_trgt,"0.1");
-SYNFIG_TARGET_SET_CVS_ID(dv_trgt,"$Id: trgt_dv.cpp,v 1.1.1.1 2005/01/04 01:23:10 darco Exp $");
+SYNFIG_TARGET_SET_CVS_ID(dv_trgt,"$Id$");
/* === M E T H O D S ======================================================= */
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;
bool
dv_trgt::set_rend_desc(RendDesc *given_desc)
-{
+{
// Set the aspect ratio
if(wide_aspect)
{
// 16:9 Aspect
given_desc->set_wh(160,90);
-
+
// Widescreen should be progressive scan
given_desc->set_interlaced(false);
}
{
// 4:3 Aspect
given_desc->set_wh(400,300);
-
+
// We should be interlaced
given_desc->set_interlaced(true);
}
-
+
// but the pixel res should be 720x480
given_desc->clear_flags(),given_desc->set_wh(720,480);
-
+
// NTSC Frame rate is 29.97
given_desc->set_frame_rate(29.97);
-
+
// The pipe to encodedv is PPM, which needs RGB data
//given_desc->set_pixel_format(PF_RGB);
-
+
// Set the description
desc=*given_desc;
-
+
return true;
}
dv_trgt::init()
{
imagecount=desc.get_frame_start();
-
+
+#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)
{
synfig::error(_("Unable to open pipe to encodedv"));
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);
+ etl::clock().sleep(0.25f);
return true;
}
}
bool
-dv_trgt::start_frame(synfig::ProgressCallback *callback)
+dv_trgt::start_frame(synfig::ProgressCallback */*callback*/)
{
int w=desc.get_w(),h=desc.get_h();
-
+
if(!file)
return false;
-
+
fprintf(file, "P6\n");
fprintf(file, "%d %d\n", w, h);
- fprintf(file, "%d\n", 255);
-
+ fprintf(file, "%d\n", 255);
+
delete [] buffer;
buffer=new unsigned char[3*w];
delete [] color_buffer;
color_buffer=new Color[w];
-
+
return true;
}
Color *
-dv_trgt::start_scanline(int scanline)
+dv_trgt::start_scanline(int /*scanline*/)
{
return color_buffer;
}
return false;
convert_color_format(buffer, color_buffer, desc.get_w(), PF_RGB, gamma());
-
+
if(!fwrite(buffer,1,desc.get_w()*3,file))
return false;
-
+
return true;
}
projects / synfig.git / blobdiff