--- /dev/null
+/*! ========================================================================
+** Synfig
+** ppm Target Module
+** $Id: mptr_ffmpeg.cpp,v 1.1.1.1 2005/01/04 01:23:10 darco Exp $
+**
+** 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.
+**
+** === N O T E S ===========================================================
+**
+** ========================================================================= */
+
+/* === H E A D E R S ======================================================= */
+
+#ifdef USING_PCH
+# include "pch.h"
+#else
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include <ETL/stringf>
+#include "mptr_ffmpeg.h"
+#include <stdio.h>
+#include <iostream>
+#include <algorithm>
+#include <functional>
+#include <ETL/stringf>
+#endif
+
+/* === M A C R O S ========================================================= */
+
+using namespace synfig;
+using namespace std;
+using namespace etl;
+
+/* === G L O B A L S ======================================================= */
+
+SYNFIG_IMPORTER_INIT(ffmpeg_mptr);
+SYNFIG_IMPORTER_SET_NAME(ffmpeg_mptr,"ffmpeg");
+SYNFIG_IMPORTER_SET_EXT(ffmpeg_mptr,"avi");
+SYNFIG_IMPORTER_SET_VERSION(ffmpeg_mptr,"0.1");
+SYNFIG_IMPORTER_SET_CVS_ID(ffmpeg_mptr,"$Id: mptr_ffmpeg.cpp,v 1.1.1.1 2005/01/04 01:23:10 darco Exp $");
+
+/* === M E T H O D S ======================================================= */
+
+bool
+ffmpeg_mptr::seek_to(int frame)
+{
+ if(frame<cur_frame || !file)
+ {
+ if(file)
+ {
+ pclose(file);
+ }
+
+ string command;
+
+ command=strprintf("ffmpeg -i \"%s\" -an -f ppmpipe -\n",filename.c_str());
+
+ file=popen(command.c_str(),"r");
+
+ if(!file)
+ {
+ cerr<<"Unable to open pipe to ffmpeg"<<endl;
+ return false;
+ }
+ cur_frame=-1;
+ }
+
+ while(cur_frame<frame-1)
+ {
+ cerr<<"Seeking to..."<<frame<<'('<<cur_frame<<')'<<endl;
+ if(!grab_frame())
+ return false;
+ }
+ return true;
+}
+
+bool
+ffmpeg_mptr::grab_frame(void)
+{
+ if(!file)
+ {
+ cerr<<"unable to open "<<filename<<endl;
+ return false;
+ }
+ int w,h;
+ float divisor;
+ char cookie[2];
+ cookie[0]=fgetc(file);
+ cookie[1]=fgetc(file);
+
+ if(cookie[0]!='P' || cookie[1]!='6')
+ {
+ cerr<<"stream not in PPM format \""<<cookie[0]<<cookie[1]<<'"'<<endl;
+ return false;
+ }
+
+ fgetc(file);
+ fscanf(file,"%d %d\n",&w,&h);
+ fscanf(file,"%f",&divisor);
+ fgetc(file);
+
+ if(feof(file))
+ return false;
+
+ int x;
+ int y;
+ frame.set_wh(w,h);
+ for(y=0;y<frame.get_h();y++)
+ for(x=0;x<frame.get_w();x++)
+ {
+ if(feof(file))
+ return false;
+/*
+ frame[y][x]=Color(
+ (float)(unsigned char)fgetc(file)/divisor,
+ (float)(unsigned char)fgetc(file)/divisor,
+ (float)(unsigned char)fgetc(file)/divisor,
+ 1.0
+*/
+ float r=gamma().r_U8_to_F32((unsigned char)fgetc(file));
+ float g=gamma().g_U8_to_F32((unsigned char)fgetc(file));
+ float b=gamma().b_U8_to_F32((unsigned char)fgetc(file));
+ frame[y][x]=Color(
+ r,
+ g,
+ b,
+ 1.0
+ );
+ }
+ cur_frame++;
+ return true;
+}
+
+ffmpeg_mptr::ffmpeg_mptr(const char *f)
+{
+#ifdef HAVE_TERMIOS_H
+ tcgetattr (0, &oldtty);
+#endif
+ filename=f;
+ file=NULL;
+ fps=23.98;
+ cur_frame=-1;
+}
+
+ffmpeg_mptr::~ffmpeg_mptr()
+{
+ if(file)
+ pclose(file);
+#ifdef HAVE_TERMIOS_H
+ tcsetattr(0,TCSANOW,&oldtty);
+#endif
+}
+
+bool
+ffmpeg_mptr::get_frame(synfig::Surface &surface,Time time, synfig::ProgressCallback *)
+{
+ int i=(int)(time*fps);
+ if(i!=cur_frame)
+ {
+ if(!seek_to(i))
+ return false;
+ if(!grab_frame());
+ return false;
+ }
+
+ surface=frame;
+ return false;
+}