cinelerra/filejpeg.C

   1 #include "asset.h"
   2 #include "bcsignals.h"
   3 #include "edit.h"
   4 #include "file.h"
   5 #include "filejpeg.h"
   6 #include "interlacemodes.h"
   7 #include "jpegwrapper.h"
   8 #include "language.h"
   9 #include "libmjpeg.h"
  10 #include "mwindow.inc"
  11 #include "quicktime.h"
  12 #include "vframe.h"
  13 #include "videodevice.inc"
  14 #include "mainerror.h"
  15
  16
  17 FileJPEG::FileJPEG(Asset_GC asset, File *file)
  18  : FileList(asset, file, "JPEGLIST", ".jpg", FILE_JPEG, FILE_JPEG_LIST)
  19 {
  20         decompressor = 0;
  21 }
  22
  23 FileJPEG::~FileJPEG()
  24 {
  25         if(decompressor) mjpeg_delete((mjpeg_t*)decompressor);
  26 }
  27
  28
  29 int FileJPEG::check_sig(Asset_GC asset)
  30 {
  31         FILE *stream = fopen(asset->path, "rb");
  32
  33         if(stream)
  34         {
  35                 char test[10];
  36                 fread(test, 10, 1, stream);
  37                 fclose(stream);
  38
  39                 if(test[6] == 'J' && test[7] == 'F' && test[8] == 'I' && test[9] == 'F')
  40                 {
  41                         return 1;
  42                 }
  43                 else
  44                 if(test[0] == 'J' && test[1] == 'P' && test[2] == 'E' && test[3] == 'G' &&
  45                         test[4] == 'L' && test[5] == 'I' && test[6] == 'S' && test[7] == 'T')
  46                 {
  47                         return 1;
  48                 }
  49         }
  50
  51         if(strlen(asset->path) > 4)
  52         {
  53                 int len = strlen(asset->path);
  54                 if(!strncasecmp(asset->path + len - 4, ".jpg", 4)) return 1;
  55         }
  56         return 0;
  57 }
  58
  59
  60
  61 void FileJPEG::get_parameters(BC_WindowBase *parent_window,
  62         Asset_GC asset,
  63         BC_WindowBase* &format_window,
  64         int audio_options,
  65         int video_options)
  66 {
  67         if(video_options)
  68         {
  69                 JPEGConfigVideo *window = new JPEGConfigVideo(parent_window, asset);
  70                 format_window = window;
  71                 window->create_objects();
  72                 window->run_window();
  73                 delete window;
  74         }
  75 }
  76
  77
  78 int FileJPEG::can_copy_from(Edit *edit, int64_t position)
  79 {
  80 //printf("FileJPEG::can_copy_from %d %s\n", asset->format, asset->vcodec);
  81         if(edit->asset->format == FILE_MOV)
  82         {
  83                 if(match4(edit->asset->vcodec, QUICKTIME_JPEG)) return 1;
  84         }
  85         else
  86         if(edit->asset->format == FILE_JPEG ||
  87                 edit->asset->format == FILE_JPEG_LIST)
  88                 return 1;
  89
  90         return 0;
  91 }
  92
  93 int FileJPEG::colormodel_supported(int colormodel)
  94 {
  95         return colormodel;
  96 }
  97
  98
  99 int FileJPEG::get_best_colormodel(Asset_GC asset, int driver)
 100 {
 101         switch(driver)
 102         {
 103                 case PLAYBACK_X11:
 104                         return BC_RGB888;
 105                         break;
 106                 case PLAYBACK_X11_XV:
 107                 case PLAYBACK_DV1394:
 108                 case PLAYBACK_FIREWIRE:
 109                 case PLAYBACK_ASYNCHRONOUS:
 110                         return BC_YUV420P;
 111                         break;
 112                 case PLAYBACK_X11_GL:
 113                         return BC_YUV888;
 114                         break;
 115                 case PLAYBACK_LML:
 116                 case PLAYBACK_BUZ:
 117                         return BC_YUV422P;
 118                         break;
 119                 case VIDEO4LINUX:
 120                 case VIDEO4LINUX2:
 121                         return BC_YUV420P;
 122                         break;
 123                 case CAPTURE_BUZ:
 124                 case CAPTURE_LML:
 125                 case VIDEO4LINUX2JPEG:
 126                         return BC_YUV422;
 127                         break;
 128                 case CAPTURE_FIREWIRE:
 129                 case CAPTURE_IEC61883:
 130                         return BC_YUV420P;
 131                         break;
 132         }
 133         return BC_YUV420P;
 134 }
 135
 136
 137 int FileJPEG::write_frame(VFrame *frame, VFrame *data, FrameWriterUnit *unit)
 138 {
 139         int result = 0;
 140         JPEGUnit *jpeg_unit = (JPEGUnit*)unit;
 141
 142         if(!jpeg_unit->compressor)
 143                 jpeg_unit->compressor = mjpeg_new(asset->width,
 144                         asset->height,
 145                         1);
 146         mjpeg_set_quality((mjpeg_t*)jpeg_unit->compressor, asset->jpeg_quality);
 147
 148
 149         mjpeg_compress((mjpeg_t*)jpeg_unit->compressor,
 150                 frame->get_rows(),
 151                 frame->get_y(),
 152                 frame->get_u(),
 153                 frame->get_v(),
 154                 frame->get_color_model(),
 155                 1);
 156
 157         data->allocate_compressed_data(mjpeg_output_size((mjpeg_t*)jpeg_unit->compressor));
 158         data->set_compressed_size(mjpeg_output_size((mjpeg_t*)jpeg_unit->compressor));
 159         memcpy(data->get_data(),
 160                 mjpeg_output_buffer((mjpeg_t*)jpeg_unit->compressor),
 161                 mjpeg_output_size((mjpeg_t*)jpeg_unit->compressor));
 162
 163         return result;
 164 }
 165
 166
 167
 168
 169
 170
 171
 172
 173
 174
 175 int FileJPEG::read_frame_header(char *path)
 176 {
 177         int result = 0;
 178
 179
 180         FILE *stream;
 181
 182         if(!(stream = fopen(path, "rb")))
 183         {
 184                 eprintf("Error while opening \"%s\" for reading. \n%m\n", asset->path);
 185                 return 1;
 186         }
 187
 188
 189
 190         struct jpeg_decompress_struct jpeg_decompress;
 191         struct jpeg_error_mgr jpeg_error;
 192
 193         jpeg_decompress.err = jpeg_std_error(&jpeg_error);
 194         jpeg_create_decompress(&jpeg_decompress);
 195
 196         jpeg_stdio_src(&jpeg_decompress, stream);
 197         jpeg_read_header(&jpeg_decompress, TRUE);
 198
 199         asset->width = jpeg_decompress.image_width;
 200         asset->height = jpeg_decompress.image_height;
 201
 202         asset->interlace_mode = BC_ILACE_MODE_NOTINTERLACED;
 203
 204         jpeg_destroy((j_common_ptr)&jpeg_decompress);
 205         fclose(stream);
 206
 207
 208
 209         return result;
 210 }
 211
 212
 213
 214 int FileJPEG::read_frame(VFrame *output, VFrame *input)
 215 {
 216         if(!decompressor) decompressor = mjpeg_new(asset->width,
 217                 asset->height,
 218                 1);
 219         mjpeg_decompress((mjpeg_t*)decompressor,
 220                 input->get_data(),
 221                 input->get_compressed_size(),
 222                 0,
 223                 output->get_rows(),
 224                 output->get_y(),
 225                 output->get_u(),
 226                 output->get_v(),
 227                 output->get_color_model(),
 228                 1);
 229
 230
 231         return 0;
 232 }
 233
 234 FrameWriterUnit* FileJPEG::new_writer_unit(FrameWriter *writer)
 235 {
 236         return new JPEGUnit(this, writer);
 237 }
 238
 239
 240
 241
 242
 243
 244 JPEGUnit::JPEGUnit(FileJPEG *file, FrameWriter *writer)
 245  : FrameWriterUnit(writer)
 246 {
 247         this->file = file;
 248         compressor = 0;
 249 }
 250 JPEGUnit::~JPEGUnit()
 251 {
 252         if(compressor) mjpeg_delete((mjpeg_t*)compressor);
 253 }
 254
 255
 256
 257
 258
 259
 260
 261 JPEGConfigVideo::JPEGConfigVideo(BC_WindowBase *parent_window, Asset_GC asset)
 262  : BC_Window(PROGRAM_NAME ": Video Compression",
 263         parent_window->get_abs_cursor_x(1),
 264         parent_window->get_abs_cursor_y(1),
 265         400,
 266         100)
 267 {
 268         this->parent_window = parent_window;
 269         this->asset = asset;
 270 }
 271
 272 JPEGConfigVideo::~JPEGConfigVideo()
 273 {
 274 }
 275
 276 int JPEGConfigVideo::create_objects()
 277 {
 278         int x = 10, y = 10;
 279
 280         add_subwindow(new BC_Title(x, y, _("Quality:")));
 281         add_subwindow(new BC_ISlider(x + 80,
 282                 y,
 283                 0,
 284                 200,
 285                 200,
 286                 0,
 287                 100,
 288                 asset->jpeg_quality,
 289                 0,
 290                 0,
 291                 &asset->jpeg_quality));
 292
 293         add_subwindow(new BC_OKButton(this));
 294         return 0;
 295 }
 296
 297 int JPEGConfigVideo::close_event()
 298 {
 299         set_done(0);
 300         return 1;
 301 }
 302
 303
 304
 305 /*
 306 //      Local Variables:
 307 //      mode: C++
 308 //      c-file-style: "linux"
 309 //      End:
 310 */