--- /dev/null
+/* === S Y N F I G ========================================================= */
+/*! \file trgt_mpg.cpp
+** \brief bsd_mpeg1 Target Module
+**
+** $Id$
+**
+** \legal
+** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
+**
+** 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_mpg.h"
+#include <stdio.h>
+#include <iostream>
+#include <algorithm>
+#include <functional>
+#endif
+
+/* === M A C R O S ========================================================= */
+
+using namespace synfig;
+using namespace std;
+using namespace etl;
+
+/* === G L O B A L S ======================================================= */
+
+const char bsd_mpeg1::Name[]="mpeg1";
+const char bsd_mpeg1::Ext[]="mpg";
+
+#define tmp_dir string("/tmp/")
+
+/* === M E T H O D S ======================================================= */
+
+#error This code has tmpfile vulnerabilites
+
+Target *
+bsd_mpeg1::New(const char *filename)
+{
+ return new bsd_mpeg1(filename);
+}
+
+bsd_mpeg1::bsd_mpeg1(const char *Filename)
+{
+ filename=Filename;
+ passthru=ppm::New((tmp_dir+"temp.ppm").c_str());
+ paramfile=NULL;
+
+}
+
+bsd_mpeg1::~bsd_mpeg1()
+{
+ if(paramfile)
+ fclose(paramfile);
+ delete passthru;
+ cerr<<"Encoding "<<filename<<"with \"mpeg_encode\" utility..."<<endl;
+ if(system("mpeg_encode -float-dct -realquiet /tmp/temp.param")!=0)
+ {
+ cerr<<"Failed to encode "<<filename<<"with \"mpeg_encode\" utility"<<endl;
+ cerr<<"Are you sure it is installed?"<<endl;
+ }
+}
+
+bool
+bsd_mpeg1::set_rend_desc(RendDesc *given_desc)
+{
+ if(paramfile)
+ fclose(paramfile);
+
+
+ paramfile=fopen((tmp_dir+"temp.param").c_str(),"wt");
+ int bitrate=150; // kbytes per second
+ int buffer_drift=50; // bitrate drift (in kbytes per second)
+
+ bitrate*=8*1024;
+ buffer_drift*=8*1024;
+
+ fprintf(paramfile,
+ "PATTERN IBBPBBPBBPBBPBBP\n"
+ "OUTPUT %s\n"
+ "BASE_FILE_FORMAT PPM\n"
+ "INPUT_CONVERT *\n"
+ "GOP_SIZE 16\n"
+ "SLICES_PER_FRAME 1\n"
+ "INPUT_DIR \n"
+ "PIXEL HALF\n"
+ "RANGE 10\n"
+ "PSEARCH_ALG LOGARITHMIC\n"
+ "BSEARCH_ALG CROSS2\n"
+// "IQSCALE 8\n"
+// "PQSCALE 10\n"
+// "BQSCALE 25\n"
+ "IQSCALE 3\n"
+ "PQSCALE 5\n"
+ "BQSCALE 10\n"
+ "REFERENCE_FRAME ORIGINAL\n"
+ "BIT_RATE %d\n"
+// "BIT_RATE 1000000\n"
+// "BUFFER_SIZE 327680\n"
+ "BUFFER_SIZE %d\n"
+ ,filename.c_str(),bitrate,buffer_drift);
+ float fps=given_desc->get_frame_rate();
+
+ // Valid framerates:
+ // 23.976, 24, 25, 29.97, 30, 50 ,59.94, 60
+
+ if(fps <24.0)
+ {
+ fprintf(paramfile,"FRAME_RATE 23.976\n");
+ given_desc->set_frame_rate(23.976);
+ }
+ if(fps>=24.0 && fps <25.0)
+ {
+ fprintf(paramfile,"FRAME_RATE 24\n");
+ given_desc->set_frame_rate(24);
+ }
+ if(fps>=25.0 && fps <29.97)
+ {
+ fprintf(paramfile,"FRAME_RATE 25\n");
+ given_desc->set_frame_rate(25);
+ }
+ if(fps>=29.97 && fps <30.0)
+ {
+ fprintf(paramfile,"FRAME_RATE 29.97\n");
+ given_desc->set_frame_rate(29.97);
+ }
+ if(fps>=29.97 && fps <30.0)
+ {
+ fprintf(paramfile,"FRAME_RATE 29.97\n");
+ given_desc->set_frame_rate(29.97);
+ }
+ if(fps>=30.0 && fps <50.0)
+ {
+ fprintf(paramfile,"FRAME_RATE 30\n");
+ given_desc->set_frame_rate(30.0);
+ }
+ if(fps>=50.0 && fps <59.94)
+ {
+ fprintf(paramfile,"FRAME_RATE 50\n");
+ given_desc->set_frame_rate(50);
+ }
+ if(fps>=59.94)
+ {
+ fprintf(paramfile,"FRAME_RATE 59.94\n");
+ given_desc->set_frame_rate(59.94);
+ }
+
+ // Make sure that the width and height
+ // are multiples of 8
+ given_desc->set_w((given_desc->get_w()+4)/8*8);
+ given_desc->set_h((given_desc->get_h()+4)/8*8);
+
+ if(!passthru->set_rend_desc(given_desc))
+ return false;
+
+ desc=*given_desc;
+
+ fprintf(paramfile,
+ "INPUT\n"
+ "tmp/temp*.ppm [%04d-%04d]\n"
+ "END_INPUT\n",desc.get_frame_start(),desc.get_frame_end()-1);
+
+ fclose(paramfile);
+ paramfile=NULL;
+
+ return true;
+}
+
+void
+bsd_mpeg1::end_frame()
+{
+ passthru->end_frame();
+}
+
+bool
+bsd_mpeg1::start_frame(synfig::ProgressCallback *callback)
+{
+ return passthru->start_frame(callback);
+}
+
+unsigned char *
+bsd_mpeg1::start_scanline(int scanline)
+{
+ return passthru->start_scanline(scanline);
+}
+
+bool
+bsd_mpeg1::end_scanline(void)
+{
+ return passthru->end_scanline();
+}
projects / synfig.git / blobdiff