hvirtual/cinelerra/vedit.C

   1 #include "assets.h"
   2 #include "bezierauto.h"
   3 #include "bezierautos.h"
   4 #include "cache.h"
   5 #include "edl.h"
   6 #include "edlsession.h"
   7 #include "file.h"
   8 #include "mwindow.h"
   9 #include "patch.h"
  10 #include "preferences.h"
  11 #include "mainsession.h"
  12 #include "trackcanvas.h"
  13 #include "tracks.h"
  14 #include "transportque.h"
  15 #include "units.h"
  16 #include "vedit.h"
  17 #include "vedits.h"
  18 #include "vframe.h"
  19 #include "vtrack.h"
  20
  21 VEdit::VEdit(EDL *edl, Edits *edits)
  22  : Edit(edl, edits)
  23 {
  24 }
  25
  26
  27 VEdit::~VEdit() { }
  28
  29 int VEdit::load_properties_derived(FileXML *xml)
  30 {
  31         channel = xml->tag.get_property("CHANNEL", (int64_t)0);
  32         return 0;
  33 }
  34
  35
  36
  37
  38
  39 // ================================================== editing
  40
  41
  42
  43 int VEdit::read_frame(VFrame *video_out,
  44                         int64_t input_position,
  45                         int direction,
  46                         CICache *cache)
  47 {
  48 //printf("VEdit::read_frame 1 %f %d %p %p %s\n", asset->frame_rate, asset->video_length, cache, asset, asset->path);
  49         File *file = cache->check_out(asset);
  50         int result = 0;
  51
  52 //printf("VEdit::read_frame 2\n");
  53         if(file)
  54         {
  55
  56 //printf("VEdit::read_frame 3\n");
  57                 input_position = (direction == PLAY_FORWARD) ? input_position : (input_position - 1);
  58
  59 //printf("VEdit::read_frame 4\n");
  60                 file->set_layer(channel);
  61
  62 //printf("VEdit::read_frame 5\n");
  63                 file->set_video_position(input_position - startproject + startsource, edl->session->frame_rate);
  64
  65 //printf("VEdit::read_frame 6 channel: %d w: %d h: %d video_out: %p\n", channel, asset->width, asset->height, video_out);
  66 //asset->dump();
  67                 result = file->read_frame(video_out);
  68
  69 //printf("VEdit::read_frame 7 %d\n", video_out->get_compressed_size());
  70                 cache->check_in(asset);
  71
  72 //printf("VEdit::read_frame 8\n");
  73         }
  74         else
  75                 result = 1;
  76
  77 //for(int i = 0; i < video_out->get_w() * 3 * 20; i++) video_out->get_rows()[0][i] = 128;
  78         return result;
  79 }
  80
  81 int VEdit::copy_properties_derived(FileXML *xml, int64_t length_in_selection)
  82 {
  83         return 0;
  84 }
  85
  86 int VEdit::dump_derived()
  87 {
  88         printf("        VEdit::dump_derived\n");
  89         printf("                startproject %ld\n", startproject);
  90         printf("                length %ld\n", length);
  91 }
  92
  93 int64_t VEdit::get_source_end(int64_t default_)
  94 {
  95         if(!asset) return default_;   // Infinity
  96
  97         return (int64_t)((double)asset->video_length / asset->frame_rate * edl->session->frame_rate + 0.5);
  98 }