1 /* === S Y N F I G ========================================================= */
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 ======================================================= */
36 #include <ETL/stringf>
45 /* === M A C R O S ========================================================= */
47 using namespace synfig;
51 /* === G L O B A L S ======================================================= */
53 SYNFIG_TARGET_INIT(dv_trgt);
54 SYNFIG_TARGET_SET_NAME(dv_trgt,"dv");
55 SYNFIG_TARGET_SET_EXT(dv_trgt,"dv");
56 SYNFIG_TARGET_SET_VERSION(dv_trgt,"0.1");
57 SYNFIG_TARGET_SET_CVS_ID(dv_trgt,"$Id$");
59 /* === M E T H O D S ======================================================= */
62 dv_trgt::dv_trgt(const char *Filename)
79 delete [] color_buffer;
83 dv_trgt::set_rend_desc(RendDesc *given_desc)
85 // Set the aspect ratio
89 given_desc->set_wh(160,90);
91 // Widescreen should be progressive scan
92 given_desc->set_interlaced(false);
97 given_desc->set_wh(400,300);
99 // We should be interlaced
100 given_desc->set_interlaced(true);
103 // but the pixel res should be 720x480
104 given_desc->clear_flags(),given_desc->set_wh(720,480);
106 // NTSC Frame rate is 29.97
107 given_desc->set_frame_rate(29.97);
109 // The pipe to encodedv is PPM, which needs RGB data
110 //given_desc->set_pixel_format(PF_RGB);
112 // Set the description
121 imagecount=desc.get_frame_start();
128 synfig::error(_("Unable to open pipe to encodedv"));
135 synfig::error(_("Unable to open pipe to encodedv"));
141 // Dup pipeout to stdin
142 if( dup2( p[0], STDIN_FILENO ) == -1 ){
143 synfig::error(_("Unable to open pipe to encodedv"));
147 // Open filename to stdout
148 FILE* outfile = fopen(filename.c_str(),"wb");
149 if( outfile == NULL ){
150 synfig::error(_("Unable to open pipe to encodedv"));
153 int outfilefd = fileno(outfile);
154 if( outfilefd == -1 ){
155 synfig::error(_("Unable to open pipe to encodedv"));
158 if( dup2( outfilefd, STDOUT_FILENO ) == -1 ){
159 synfig::error(_("Unable to open pipe to encodedv"));
164 execlp("encodedv", "encodedv", "-w", "1", "-");
166 execlp("encodedv", "encodedv", "-");
167 // We should never reach here unless the exec failed
168 synfig::error(_("Unable to open pipe to encodedv"));
172 // Close pipein, not needed
174 // Save pipeout to file handle, will write to it later
175 file = fdopen(p[1], "wb");
177 synfig::error(_("Unable to open pipe to encodedv"));
182 // Sleep for a moment to let the pipe catch up
183 etl::clock().sleep(0.25f);
197 dv_trgt::start_frame(synfig::ProgressCallback */*callback*/)
199 int w=desc.get_w(),h=desc.get_h();
204 fprintf(file, "P6\n");
205 fprintf(file, "%d %d\n", w, h);
206 fprintf(file, "%d\n", 255);
209 buffer=new unsigned char[3*w];
211 delete [] color_buffer;
212 color_buffer=new Color[w];
218 dv_trgt::start_scanline(int /*scanline*/)
224 dv_trgt::end_scanline()
229 convert_color_format(buffer, color_buffer, desc.get_w(), PF_RGB, gamma());
231 if(!fwrite(buffer,1,desc.get_w()*3,file))