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>
39 #include <sys/types.h>
47 /* === M A C R O S ========================================================= */
49 using namespace synfig;
53 /* === G L O B A L S ======================================================= */
55 SYNFIG_TARGET_INIT(dv_trgt);
56 SYNFIG_TARGET_SET_NAME(dv_trgt,"dv");
57 SYNFIG_TARGET_SET_EXT(dv_trgt,"dv");
58 SYNFIG_TARGET_SET_VERSION(dv_trgt,"0.1");
59 SYNFIG_TARGET_SET_CVS_ID(dv_trgt,"$Id$");
61 /* === M E T H O D S ======================================================= */
64 dv_trgt::dv_trgt(const char *Filename)
81 delete [] color_buffer;
85 dv_trgt::set_rend_desc(RendDesc *given_desc)
87 // Set the aspect ratio
91 given_desc->set_wh(160,90);
93 // Widescreen should be progressive scan
94 given_desc->set_interlaced(false);
99 given_desc->set_wh(400,300);
101 // We should be interlaced
102 given_desc->set_interlaced(true);
105 // but the pixel res should be 720x480
106 given_desc->clear_flags(),given_desc->set_wh(720,480);
108 // NTSC Frame rate is 29.97
109 given_desc->set_frame_rate(29.97);
111 // The pipe to encodedv is PPM, which needs RGB data
112 //given_desc->set_pixel_format(PF_RGB);
114 // Set the description
123 imagecount=desc.get_frame_start();
130 synfig::error(_("Unable to open pipe to encodedv"));
137 synfig::error(_("Unable to open pipe to encodedv"));
143 // Dup pipeout to stdin
144 if( dup2( p[0], STDIN_FILENO ) == -1 ){
145 synfig::error(_("Unable to open pipe to encodedv"));
149 // Open filename to stdout
150 FILE* outfile = fopen(filename.c_str(),"wb");
151 if( outfile == NULL ){
152 synfig::error(_("Unable to open pipe to encodedv"));
155 int outfilefd = fileno(outfile);
156 if( outfilefd == -1 ){
157 synfig::error(_("Unable to open pipe to encodedv"));
160 if( dup2( outfilefd, STDOUT_FILENO ) == -1 ){
161 synfig::error(_("Unable to open pipe to encodedv"));
166 execlp("encodedv", "encodedv", "-w", "1", "-", (const char *)NULL);
168 execlp("encodedv", "encodedv", "-", (const char *)NULL);
169 // We should never reach here unless the exec failed
170 synfig::error(_("Unable to open pipe to encodedv"));
174 // Close pipein, not needed
176 // Save pipeout to file handle, will write to it later
177 file = fdopen(p[1], "wb");
179 synfig::error(_("Unable to open pipe to encodedv"));
184 // Sleep for a moment to let the pipe catch up
185 etl::clock().sleep(0.25f);
199 dv_trgt::start_frame(synfig::ProgressCallback */*callback*/)
201 int w=desc.get_w(),h=desc.get_h();
206 fprintf(file, "P6\n");
207 fprintf(file, "%d %d\n", w, h);
208 fprintf(file, "%d\n", 255);
211 buffer=new unsigned char[3*w];
213 delete [] color_buffer;
214 color_buffer=new Color[w];
220 dv_trgt::start_scanline(int /*scanline*/)
226 dv_trgt::end_scanline()
231 convert_color_format(buffer, color_buffer, desc.get_w(), PF_RGB, gamma());
233 if(!fwrite(buffer,1,desc.get_w()*3,file))