1 /* === S Y N F I G ========================================================= */
2 /*! \file mptr_ffmpeg.cpp
3 ** \brief ppm Target Module
8 ** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
10 ** This package is free software; you can redistribute it and/or
11 ** modify it under the terms of the GNU General Public License as
12 ** published by the Free Software Foundation; either version 2 of
13 ** the License, or (at your option) any later version.
15 ** This package is distributed in the hope that it will be useful,
16 ** but WITHOUT ANY WARRANTY; without even the implied warranty of
17 ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 ** General Public License for more details.
21 ** === N O T E S ===========================================================
23 ** ========================================================================= */
25 /* === H E A D E R S ======================================================= */
34 #include <ETL/stringf>
35 #include "mptr_ffmpeg.h"
40 #include <ETL/stringf>
43 /* === M A C R O S ========================================================= */
45 using namespace synfig;
49 /* === G L O B A L S ======================================================= */
51 SYNFIG_IMPORTER_INIT(ffmpeg_mptr);
52 SYNFIG_IMPORTER_SET_NAME(ffmpeg_mptr,"ffmpeg");
53 SYNFIG_IMPORTER_SET_EXT(ffmpeg_mptr,"avi");
54 SYNFIG_IMPORTER_SET_VERSION(ffmpeg_mptr,"0.1");
55 SYNFIG_IMPORTER_SET_CVS_ID(ffmpeg_mptr,"$Id$");
57 /* === M E T H O D S ======================================================= */
60 ffmpeg_mptr::seek_to(int frame)
62 if(frame<cur_frame || !file)
71 command=strprintf("ffmpeg -i \"%s\" -an -f image2pipe -vcodec ppm -\n",filename.c_str());
73 file=popen(command.c_str(),POPEN_BINARY_READ_TYPE);
77 cerr<<"Unable to open pipe to ffmpeg"<<endl;
83 while(cur_frame<frame-1)
85 cerr<<"Seeking to..."<<frame<<'('<<cur_frame<<')'<<endl;
93 ffmpeg_mptr::grab_frame(void)
97 cerr<<"unable to open "<<filename<<endl;
103 cookie[0]=fgetc(file);
104 cookie[1]=fgetc(file);
106 if(cookie[0]!='P' || cookie[1]!='6')
108 cerr<<"stream not in PPM format \""<<cookie[0]<<cookie[1]<<'"'<<endl;
113 fscanf(file,"%d %d\n",&w,&h);
114 fscanf(file,"%f",&divisor);
123 for(y=0;y<frame.get_h();y++)
124 for(x=0;x<frame.get_w();x++)
130 (float)(unsigned char)fgetc(file)/divisor,
131 (float)(unsigned char)fgetc(file)/divisor,
132 (float)(unsigned char)fgetc(file)/divisor,
135 float r=gamma().r_U8_to_F32((unsigned char)fgetc(file));
136 float g=gamma().g_U8_to_F32((unsigned char)fgetc(file));
137 float b=gamma().b_U8_to_F32((unsigned char)fgetc(file));
149 ffmpeg_mptr::ffmpeg_mptr(const char *f)
151 #ifdef HAVE_TERMIOS_H
152 tcgetattr (0, &oldtty);
160 ffmpeg_mptr::~ffmpeg_mptr()
164 #ifdef HAVE_TERMIOS_H
165 tcsetattr(0,TCSANOW,&oldtty);
170 ffmpeg_mptr::get_frame(synfig::Surface &surface,Time time, synfig::ProgressCallback *)
172 int i=(int)(time*fps);