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quicktime
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matrix.c
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C/C++ Source or Header
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2000-11-29
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781b
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43 lines
#include "quicktime.h"
void quicktime_matrix_init(quicktime_matrix_t *matrix)
{
int i;
for(i = 0; i < 9; i++) matrix->values[i] = 0;
matrix->values[0] = matrix->values[4] = 1;
matrix->values[8] = 16384;
}
void quicktime_matrix_delete(quicktime_matrix_t *matrix)
{
}
void quicktime_read_matrix(quicktime_t *file, quicktime_matrix_t *matrix)
{
int i = 0;
for(i = 0; i < 9; i++)
{
matrix->values[i] = quicktime_read_fixed32(file);
}
}
void quicktime_matrix_dump(quicktime_matrix_t *matrix)
{
int i;
printf(" matrix");
for(i = 0; i < 9; i++) printf(" %f", matrix->values[i]);
printf("\n");
}
void quicktime_write_matrix(quicktime_t *file, quicktime_matrix_t *matrix)
{
int i;
for(i = 0; i < 9; i++)
{
quicktime_write_fixed32(file, matrix->values[i]);
}
}