cinelerra/filejpeg.C

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