Cinelerra: hvirtual/quicktime/matrix.c Source File

00001 #include "funcprotos.h"
00002 #include "quicktime.h"
00003 
00004 
00005 
00006 
00007 void quicktime_matrix_init(quicktime_matrix_t *matrix)
00008 {
00009         int i;
00010         for(i = 0; i < 9; i++) matrix->values[i] = 0;
00011         matrix->values[0] = matrix->values[4] = 1;
00012         matrix->values[8] = 16384;
00013 }
00014 
00015 void quicktime_matrix_delete(quicktime_matrix_t *matrix)
00016 {
00017 }
00018 
00019 void quicktime_read_matrix(quicktime_t *file, quicktime_matrix_t *matrix)
00020 {
00021         int i = 0;
00022         for(i = 0; i < 9; i++)
00023         {
00024                 matrix->values[i] = quicktime_read_fixed32(file);
00025         }
00026 }
00027 
00028 void quicktime_matrix_dump(quicktime_matrix_t *matrix)
00029 {
00030         int i;
00031         printf("   matrix");
00032         for(i = 0; i < 9; i++) printf(" %f", matrix->values[i]);
00033         printf("\n");
00034 }
00035 
00036 void quicktime_write_matrix(quicktime_t *file, quicktime_matrix_t *matrix)
00037 {
00038         int i;
00039         for(i = 0; i < 9; i++)
00040         {
00041                 quicktime_write_fixed32(file, matrix->values[i]);
00042         }
00043 }