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, BC_WindowBase* &format_window,
  59         int audio_options, int video_options, EDL *edl)
  60 {
  61         if(video_options)
  62         {
  63                 JPEGConfigVideo *window = new JPEGConfigVideo(parent_window, asset);
  64                 format_window = window;
  65                 window->create_objects();
  66                 window->run_window();
  67                 delete window;
  68         }
  69 }
  70
  71 int FileJPEGList::can_copy_from(Asset *asset)
  72 {
  73         if(asset->format == FILE_JPEG_LIST)
  74                 return 1;
  75
  76         return 0;
  77 }
  78
  79 int FileJPEGList::get_best_colormodel(int driver, int colormodel)
  80 {
  81         if(colormodel > -1)
  82         {
  83                 switch(colormodel)
  84                 {
  85                         case BC_YUV420P:
  86                         case BC_YUV422P:
  87                         case BC_YUV422:
  88                                 return colormodel;
  89                                 break;
  90                         default:
  91                                 return BC_YUV422P;
  92                                 break;
  93                 }
  94         }
  95         return BC_YUV422P;
  96 }
  97
  98
  99 int FileJPEGList::read_frame(VFrame *frame, VFrame *data)
 100 {
 101         PRINT_TRACE
 102
 103         mjpeg_t *mjpeg = mjpeg_new(asset->width,
 104                 asset->height,
 105                 1);
 106         mjpeg_decompress(mjpeg,
 107                 data->get_data(),
 108                 data->get_compressed_size(),
 109                 0,
 110                 frame->get_rows(),
 111                 frame->get_y(),
 112                 frame->get_u(),
 113                 frame->get_v(),
 114                 frame->get_color_model(),
 115                 file->cpus);
 116         mjpeg_delete(mjpeg);
 117         PRINT_TRACE
 118         return 0;
 119 }
 120
 121 int FileJPEGList::write_frame(VFrame *frame, VFrame *data)
 122 {
 123         mjpeg_t *mjpeg = mjpeg_new(asset->width,
 124                 asset->height,
 125                 1);
 126         mjpeg_compress(mjpeg,
 127                 frame->get_rows(),
 128                 frame->get_y(),
 129                 frame->get_u(),
 130                 frame->get_v(),
 131                 frame->get_color_model(),
 132                 file->cpus);
 133         data->allocate_compressed_data(mjpeg_output_size(mjpeg));
 134         bcopy(mjpeg_output_buffer(mjpeg), frame->get_data(), mjpeg_output_size(mjpeg));
 135         mjpeg_delete(mjpeg);
 136         return 0;
 137 }
 138
 139
 140
 141
 142
 143
 144
 145
 146
 147
 148
 149 JPEGConfigVideo::JPEGConfigVideo(BC_WindowBase *parent_window, Asset *asset)
 150  : BC_Window(_(PROGRAM_NAME ": Video Compression"),
 151         parent_window->get_abs_cursor_x(),
 152         parent_window->get_abs_cursor_y(),
 153         400,
 154         100)
 155 {
 156         this->parent_window = parent_window;
 157         this->asset = asset;
 158 }
 159
 160 JPEGConfigVideo::~JPEGConfigVideo()
 161 {
 162 }
 163
 164 void JPEGConfigVideo::create_objects()
 165 {
 166         int x = 10, y = 10;
 167         lock_window("JPEGConfigVideo::create_objects");
 168         add_subwindow(new BC_Title(x, y, _("Quality:")));
 169         add_subwindow(new BC_ISlider(x + 80,
 170                 y,
 171                 0,
 172                 200,
 173                 200,
 174                 0,
 175                 100,
 176                 asset->quality,
 177                 0,
 178                 0,
 179                 &asset->quality));
 180
 181         add_subwindow(new BC_OKButton(this));
 182         unlock_window();
 183 }
 184
 185 int JPEGConfigVideo::close_event()
 186 {
 187         set_done(0);
 188         return 1;
 189 }
 190
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