+++ /dev/null
-/* === S Y N F I G ========================================================= */
-/*! \file trgt_dv.cpp
-** \brief ppm Target Module
-**
-** $Id$
-**
-** \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
-** 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 ===========================================================
-**
-** ========================================================================= */
-
-/* === H E A D E R S ======================================================= */
-
-#define SYNFIG_TARGET
-
-#ifdef USING_PCH
-# include "pch.h"
-#else
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
-
-#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>
-
-#endif
-
-/* === M A C R O S ========================================================= */
-
-using namespace synfig;
-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,"$Id$");
-
-/* === M E T H O D S ======================================================= */
-
-
-dv_trgt::dv_trgt(const char *Filename)
-{
- pid=-1;
- file=NULL;
- filename=Filename;
- buffer=NULL;
- wide_aspect=false;
- color_buffer=0;
- set_remove_alpha();
-
-}
-
-dv_trgt::~dv_trgt()
-{
- 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);
- }
- else
- {
- // 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;
-}
-
-bool
-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(),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);
-
- return true;
-}
-
-void
-dv_trgt::end_frame()
-{
- fprintf(file, " ");
- fflush(file);
- imagecount++;
-}
-
-bool
-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);
-
- 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*/)
-{
- return color_buffer;
-}
-
-bool
-dv_trgt::end_scanline()
-{
- if(!file)
- 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