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Member "quicktime4linux-2.3/tkhd.c" (9 Jan 2007, 3568 Bytes) of package /linux/privat/old/quicktime4linux-2.3-src.tar.gz:


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    1 #include "funcprotos.h"
    2 #include "quicktime.h"
    3 
    4 
    5 int quicktime_tkhd_init(quicktime_tkhd_t *tkhd)
    6 {
    7     int i;
    8     tkhd->version = 0;
    9     tkhd->flags = 15;
   10     tkhd->creation_time = quicktime_current_time();
   11     tkhd->modification_time = quicktime_current_time();
   12     tkhd->track_id;
   13     tkhd->reserved1 = 0;
   14     tkhd->duration = 0;      /* need to set this when closing */
   15     for(i = 0; i < 8; i++) tkhd->reserved2[i] = 0;
   16     tkhd->layer = 0;
   17     tkhd->alternate_group = 0;
   18     tkhd->volume = 0.996094;
   19     tkhd->reserved3 = 0;
   20     quicktime_matrix_init(&(tkhd->matrix));
   21     tkhd->track_width = 0;
   22     tkhd->track_height = 0;
   23     return 0;
   24 }
   25 
   26 int quicktime_tkhd_delete(quicktime_tkhd_t *tkhd)
   27 {
   28     return 0;
   29 }
   30 
   31 void quicktime_tkhd_dump(quicktime_tkhd_t *tkhd)
   32 {
   33     printf("  track header\n");
   34     printf("   version %d\n", tkhd->version);
   35     printf("   flags %ld\n", tkhd->flags);
   36     printf("   creation_time %u\n", tkhd->creation_time);
   37     printf("   modification_time %u\n", tkhd->modification_time);
   38     printf("   track_id %d\n", tkhd->track_id);
   39     printf("   reserved1 %ld\n", tkhd->reserved1);
   40     printf("   duration %ld\n", tkhd->duration);
   41     quicktime_print_chars("   reserved2 ", tkhd->reserved2, 8);
   42     printf("   layer %d\n", tkhd->layer);
   43     printf("   alternate_group %d\n", tkhd->alternate_group);
   44     printf("   volume %f\n", tkhd->volume);
   45     printf("   reserved3 %d\n", tkhd->reserved3);
   46     quicktime_matrix_dump(&(tkhd->matrix));
   47     printf("   track_width %f\n", tkhd->track_width);
   48     printf("   track_height %f\n", tkhd->track_height);
   49 }
   50 
   51 void quicktime_read_tkhd(quicktime_t *file, quicktime_tkhd_t *tkhd)
   52 {
   53 //printf("quicktime_read_tkhd 1 %llx\n", quicktime_position(file));
   54     tkhd->version = quicktime_read_char(file);
   55     tkhd->flags = quicktime_read_int24(file);
   56     tkhd->creation_time = quicktime_read_int32(file);
   57     tkhd->modification_time = quicktime_read_int32(file);
   58     tkhd->track_id = quicktime_read_int32(file);
   59     tkhd->reserved1 = quicktime_read_int32(file);
   60     tkhd->duration = quicktime_read_int32(file);
   61     quicktime_read_data(file, tkhd->reserved2, 8);
   62     tkhd->layer = quicktime_read_int16(file);
   63     tkhd->alternate_group = quicktime_read_int16(file);
   64 //printf("quicktime_read_tkhd 1 %llx\n", quicktime_position(file));
   65     tkhd->volume = quicktime_read_fixed16(file);
   66 //printf("quicktime_read_tkhd 2\n");
   67     tkhd->reserved3 = quicktime_read_int16(file);
   68     quicktime_read_matrix(file, &(tkhd->matrix));
   69     tkhd->track_width = quicktime_read_fixed32(file);
   70     tkhd->track_height = quicktime_read_fixed32(file);
   71 }
   72 
   73 void quicktime_write_tkhd(quicktime_t *file, quicktime_tkhd_t *tkhd)
   74 {
   75     quicktime_atom_t atom;
   76     quicktime_atom_write_header(file, &atom, "tkhd");
   77     quicktime_write_char(file, tkhd->version);
   78     quicktime_write_int24(file, tkhd->flags);
   79     quicktime_write_int32(file, tkhd->creation_time);
   80     quicktime_write_int32(file, tkhd->modification_time);
   81     quicktime_write_int32(file, tkhd->track_id);
   82     quicktime_write_int32(file, tkhd->reserved1);
   83     quicktime_write_int32(file, tkhd->duration);
   84     quicktime_write_data(file, tkhd->reserved2, 8);
   85     quicktime_write_int16(file, tkhd->layer);
   86     quicktime_write_int16(file, tkhd->alternate_group);
   87     quicktime_write_fixed16(file, tkhd->volume);
   88     quicktime_write_int16(file, tkhd->reserved3);
   89     quicktime_write_matrix(file, &(tkhd->matrix));
   90     quicktime_write_fixed32(file, tkhd->track_width);
   91     quicktime_write_fixed32(file, tkhd->track_height);
   92     quicktime_atom_write_footer(file, &atom);
   93 }
   94 
   95 
   96 void quicktime_tkhd_init_video(quicktime_t *file, 
   97                                 quicktime_tkhd_t *tkhd, 
   98                                 int frame_w, 
   99                                 int frame_h)
  100 {
  101     tkhd->track_width = frame_w;
  102     tkhd->track_height = frame_h;
  103     tkhd->volume = 0;
  104 }