cinelerra-5.1/cinelerra/filejpeglist.C

   1
   2 /*
   3  * CINELERRA
   4  * Copyright (C) 2008 Adam Williams <broadcast at earthling dot net>
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  *
  20  */
  21
  22 #include "assets.h"
  23 #include "file.h"
  24 #include "filejpeglist.h"
  25 #include "guicast.h"
  26 #include "libmjpeg.h"
  27 #include "mwindow.inc"
  28 #include "jpegwrapper.h"
  29 #include "vframe.h"
  30
  31 #include <ctype.h>
  32 #include <stdlib.h>
  33 #include <string.h>
  34
  35
  36 FileJPEGList::FileJPEGList(Asset *asset, File *file)
  37  : FileList(asset, file)
  38 {
  39         asset->format = FILE_JPEG_LIST;
  40 }
  41
  42 FileJPEGList::~FileJPEGList()
  43 {
  44         close_file();
  45 }
  46
  47 char* FileJPEGList::list_title()
  48 {
  49         return _("JPEGLIST");
  50 }
  51
  52 char* FileJPEGList::extension()
  53 {
  54         return ".jpg";
  55 }
  56
  57 void FileJPEGList::get_parameters(BC_WindowBase *parent_window,
  58         Asset *asset,
  59         BC_WindowBase* &format_window,
  60         int audio_options,
  61         int video_options)
  62 {
  63         if(video_options)
  64         {
  65                 JPEGConfigVideo *window = new JPEGConfigVideo(parent_window, asset);
  66                 format_window = window;
  67                 window->create_objects();
  68                 window->run_window();
  69                 delete window;
  70         }
  71 }
  72
  73 int FileJPEGList::can_copy_from(Asset *asset)
  74 {
  75         if(asset->format == FILE_JPEG_LIST)
  76                 return 1;
  77
  78         return 0;
  79 }
  80
  81 int FileJPEGList::get_best_colormodel(int driver, int colormodel)
  82 {
  83         if(colormodel > -1)
  84         {
  85                 switch(colormodel)
  86                 {
  87                         case BC_YUV420P:
  88                         case BC_YUV422P:
  89                         case BC_YUV422:
  90                                 return colormodel;
  91                                 break;
  92                         default:
  93                                 return BC_YUV422P;
  94                                 break;
  95                 }
  96         }
  97         return BC_YUV422P;
  98 }
  99
 100
 101 int FileJPEGList::read_frame(VFrame *frame, VFrame *data)
 102 {
 103         PRINT_TRACE
 104
 105         mjpeg_t *mjpeg = mjpeg_new(asset->width,
 106                 asset->height,
 107                 1);
 108         mjpeg_decompress(mjpeg,
 109                 data->get_data(),
 110                 data->get_compressed_size(),
 111                 0,
 112                 frame->get_rows(),
 113                 frame->get_y(),
 114                 frame->get_u(),
 115                 frame->get_v(),
 116                 frame->get_color_model(),
 117                 file->cpus);
 118         mjpeg_delete(mjpeg);
 119         PRINT_TRACE
 120         return 0;
 121 }
 122
 123 int FileJPEGList::write_frame(VFrame *frame, VFrame *data)
 124 {
 125         mjpeg_t *mjpeg = mjpeg_new(asset->width,
 126                 asset->height,
 127                 1);
 128         mjpeg_compress(mjpeg,
 129                 frame->get_rows(),
 130                 frame->get_y(),
 131                 frame->get_u(),
 132                 frame->get_v(),
 133                 frame->get_color_model(),
 134                 file->cpus);
 135         data->allocate_compressed_data(mjpeg_output_size(mjpeg));
 136         bcopy(mjpeg_output_buffer(mjpeg), frame->get_data(), mjpeg_output_size(mjpeg));
 137         mjpeg_delete(mjpeg);
 138         return 0;
 139 }
 140
 141
 142
 143
 144
 145
 146
 147
 148
 149
 150
 151 JPEGConfigVideo::JPEGConfigVideo(BC_WindowBase *parent_window, Asset *asset)
 152  : BC_Window(_(PROGRAM_NAME ": Video Compression"),
 153         parent_window->get_abs_cursor_x(),
 154         parent_window->get_abs_cursor_y(),
 155         400,
 156         100)
 157 {
 158         this->parent_window = parent_window;
 159         this->asset = asset;
 160 }
 161
 162 JPEGConfigVideo::~JPEGConfigVideo()
 163 {
 164 }
 165
 166 void JPEGConfigVideo::create_objects()
 167 {
 168         int x = 10, y = 10;
 169         lock_window("JPEGConfigVideo::create_objects");
 170         add_subwindow(new BC_Title(x, y, _("Quality:")));
 171         add_subwindow(new BC_ISlider(x + 80,
 172                 y,
 173                 0,
 174                 200,
 175                 200,
 176                 0,
 177                 100,
 178                 asset->quality,
 179                 0,
 180                 0,
 181                 &asset->quality));
 182
 183         add_subwindow(new BC_OKButton(this));
 184         unlock_window();
 185 }
 186
 187 int JPEGConfigVideo::close_event()
 188 {
 189         set_done(0);
 190         return 1;
 191 }
 192
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