cinelerra-5.1/cinelerra/filejpeg.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 "asset.h"
  23 #include "bcsignals.h"
  24 #include "edit.h"
  25 #include "file.h"
  26 #include "filejpeg.h"
  27 #include "interlacemodes.h"
  28 #include "jpegwrapper.h"
  29 #include "language.h"
  30 #include "libmjpeg.h"
  31 #include "mwindow.inc"
  32 #include "vframe.h"
  33 #include "videodevice.inc"
  34 #include "mainerror.h"
  35
  36
  37 FileJPEG::FileJPEG(Asset *asset, File *file)
  38  : FileList(asset, file, "JPEGLIST", ".jpg", FILE_JPEG, FILE_JPEG_LIST)
  39 {
  40         decompressor = 0;
  41 }
  42
  43 FileJPEG::~FileJPEG()
  44 {
  45         if(decompressor) mjpeg_delete((mjpeg_t*)decompressor);
  46 }
  47
  48
  49 int FileJPEG::check_sig(Asset *asset)
  50 {
  51         FILE *stream = fopen(asset->path, "rb");
  52
  53         if(stream)
  54         {
  55                 char test[10];
  56                 (void)fread(test, 10, 1, stream);
  57                 fclose(stream);
  58
  59                 if(test[6] == 'J' && test[7] == 'F' && test[8] == 'I' && test[9] == 'F')
  60                 {
  61                         return 1;
  62                 }
  63                 else
  64                 if(test[0] == 'J' && test[1] == 'P' && test[2] == 'E' && test[3] == 'G' &&
  65                         test[4] == 'L' && test[5] == 'I' && test[6] == 'S' && test[7] == 'T')
  66                 {
  67                         return 1;
  68                 }
  69         }
  70
  71         if(strlen(asset->path) > 4)
  72         {
  73                 int len = strlen(asset->path);
  74                 if(!strncasecmp(asset->path + len - 4, ".jpg", 4)) return 1;
  75         }
  76         return 0;
  77 }
  78
  79
  80
  81 void FileJPEG::get_parameters(BC_WindowBase *parent_window,
  82         Asset *asset,
  83         BC_WindowBase* &format_window,
  84         int audio_options,
  85         int video_options)
  86 {
  87         if(video_options)
  88         {
  89                 JPEGConfigVideo *window = new JPEGConfigVideo(parent_window, asset);
  90                 format_window = window;
  91                 window->create_objects();
  92                 window->run_window();
  93                 delete window;
  94         }
  95 }
  96
  97
  98 int FileJPEG::can_copy_from(Asset *asset, int64_t position)
  99 {
 100 //printf("FileJPEG::can_copy_from %d %s\n", asset->format, asset->vcodec);
 101         if(asset->format == FILE_JPEG ||
 102                 asset->format == FILE_JPEG_LIST)
 103                 return 1;
 104
 105         return 0;
 106 }
 107
 108 int FileJPEG::colormodel_supported(int colormodel)
 109 {
 110         return colormodel;
 111 }
 112
 113
 114 int FileJPEG::get_best_colormodel(Asset *asset, int driver)
 115 {
 116         switch(driver)
 117         {
 118                 case PLAYBACK_X11:
 119                         return BC_RGB888;
 120                         break;
 121                 case PLAYBACK_X11_XV:
 122                 case PLAYBACK_DV1394:
 123                 case PLAYBACK_FIREWIRE:
 124                 case PLAYBACK_ASYNCHRONOUS:
 125                         return BC_YUV420P;
 126                         break;
 127                 case PLAYBACK_X11_GL:
 128                         return BC_YUV888;
 129                         break;
 130                 case VIDEO4LINUX2:
 131                         return BC_YUV420P;
 132                         break;
 133                 case VIDEO4LINUX2JPEG:
 134                         return BC_YUV422;
 135                         break;
 136                 case CAPTURE_FIREWIRE:
 137                 case CAPTURE_IEC61883:
 138                         return BC_YUV420P;
 139                         break;
 140                 case CAPTURE_DVB:
 141                 case VIDEO4LINUX2MPEG:
 142                         return BC_YUV422P;
 143                         break;
 144         }
 145         return BC_YUV420P;
 146 }
 147
 148
 149 int FileJPEG::write_frame(VFrame *frame, VFrame *data, FrameWriterUnit *unit)
 150 {
 151         int result = 0;
 152         JPEGUnit *jpeg_unit = (JPEGUnit*)unit;
 153
 154         if(!jpeg_unit->compressor)
 155                 jpeg_unit->compressor = mjpeg_new(asset->width,
 156                         asset->height,
 157                         1);
 158
 159         mjpeg_set_quality((mjpeg_t*)jpeg_unit->compressor, asset->jpeg_quality);
 160
 161
 162         mjpeg_compress((mjpeg_t*)jpeg_unit->compressor,
 163                 frame->get_rows(),
 164                 frame->get_y(),
 165                 frame->get_u(),
 166                 frame->get_v(),
 167                 frame->get_color_model(),
 168                 1);
 169
 170         data->allocate_compressed_data(mjpeg_output_size((mjpeg_t*)jpeg_unit->compressor));
 171         data->set_compressed_size(mjpeg_output_size((mjpeg_t*)jpeg_unit->compressor));
 172         memcpy(data->get_data(),
 173                 mjpeg_output_buffer((mjpeg_t*)jpeg_unit->compressor),
 174                 mjpeg_output_size((mjpeg_t*)jpeg_unit->compressor));
 175
 176         return result;
 177 }
 178
 179
 180
 181
 182
 183
 184
 185
 186
 187
 188 int FileJPEG::read_frame_header(char *path)
 189 {
 190         int result = 0;
 191
 192
 193         FILE *stream;
 194
 195         if(!(stream = fopen(path, "rb")))
 196         {
 197                 eprintf("FileJPEG::read_frame_header %s: %m\n", path);
 198                 return 1;
 199         }
 200
 201
 202         unsigned char test[2];
 203         (void)fread(test, 2, 1, stream);
 204         if(test[0] != 0xff || test[1] != 0xd8)
 205         {
 206                 eprintf("FileJPEG::read_frame_header %s bad header %02x%02x\n",
 207                         path, test[0], test[1]);
 208                 fclose(stream);
 209                 return 1;
 210         }
 211         fseek(stream, 0, SEEK_SET);
 212
 213         struct jpeg_decompress_struct jpeg_decompress;
 214         struct jpeg_error_mgr jpeg_error;
 215
 216         jpeg_decompress.err = jpeg_std_error(&jpeg_error);
 217         jpeg_create_decompress(&jpeg_decompress);
 218
 219         jpeg_stdio_src(&jpeg_decompress, stream);
 220         jpeg_read_header(&jpeg_decompress, TRUE);
 221
 222         asset->width = jpeg_decompress.image_width;
 223         asset->height = jpeg_decompress.image_height;
 224
 225         asset->interlace_mode = ILACE_MODE_NOTINTERLACED;
 226
 227         jpeg_destroy((j_common_ptr)&jpeg_decompress);
 228         fclose(stream);
 229
 230         return result;
 231 }
 232
 233
 234
 235 int FileJPEG::read_frame(VFrame *output, VFrame *input)
 236 {
 237         if(input->get_compressed_size() < 2 ||
 238                 input->get_data()[0] != 0xff ||
 239                 input->get_data()[1] != 0xd8)
 240                 return 1;
 241
 242         if(!decompressor) decompressor = mjpeg_new(asset->width,
 243                 asset->height,
 244                 1);
 245 // printf("FileJPEG::read_frame %d %p %d %d %d %p %p %p %p %d\n",
 246 // __LINE__,
 247 // input->get_data(),
 248 // input->get_compressed_size(),
 249 // output->get_w(),
 250 // output->get_h(),
 251 // output->get_rows(),
 252 // output->get_y(),
 253 // output->get_u(),
 254 // output->get_v(),
 255 // output->get_color_model());
 256         mjpeg_decompress((mjpeg_t*)decompressor,
 257                 input->get_data(),
 258                 input->get_compressed_size(),
 259                 0,
 260                 output->get_rows(),
 261                 output->get_y(),
 262                 output->get_u(),
 263                 output->get_v(),
 264                 output->get_color_model(),
 265                 1);
 266 //      PRINT_TRACE
 267
 268 //printf("FileJPEG::read_frame %d\n", __LINE__);
 269         return 0;
 270 }
 271
 272 FrameWriterUnit* FileJPEG::new_writer_unit(FrameWriter *writer)
 273 {
 274         return new JPEGUnit(this, writer);
 275 }
 276
 277
 278
 279
 280
 281
 282 JPEGUnit::JPEGUnit(FileJPEG *file, FrameWriter *writer)
 283  : FrameWriterUnit(writer)
 284 {
 285         this->file = file;
 286         compressor = 0;
 287 }
 288 JPEGUnit::~JPEGUnit()
 289 {
 290         if(compressor) mjpeg_delete((mjpeg_t*)compressor);
 291 }
 292
 293
 294
 295
 296
 297
 298
 299 JPEGConfigVideo::JPEGConfigVideo(BC_WindowBase *parent_window, Asset *asset)
 300  : BC_Window(_(PROGRAM_NAME ": Video Compression"),
 301         parent_window->get_abs_cursor_x(1),
 302         parent_window->get_abs_cursor_y(1),
 303         400,
 304         100)
 305 {
 306         this->parent_window = parent_window;
 307         this->asset = asset;
 308 }
 309
 310 JPEGConfigVideo::~JPEGConfigVideo()
 311 {
 312 }
 313
 314 void JPEGConfigVideo::create_objects()
 315 {
 316         int x = 10, y = 10;
 317         lock_window("JPEGConfigVideo::create_objects");
 318         add_subwindow(new BC_Title(x, y, _("Quality:")));
 319         add_subwindow(new BC_ISlider(x + 80,
 320                 y,
 321                 0,
 322                 200,
 323                 200,
 324                 0,
 325                 100,
 326                 asset->jpeg_quality,
 327                 0,
 328                 0,
 329                 &asset->jpeg_quality));
 330
 331         add_subwindow(new BC_OKButton(this));
 332         show_window(1);
 333         unlock_window();
 334 }
 335
 336 int JPEGConfigVideo::close_event()
 337 {
 338         set_done(0);
 339         return 1;
 340 }
 341
 342
 343