ref: 24b3fe86e5ab0d35a40475eb043ace1f1b640c1d
dir: /common/mp4ff/matrix.c/
#include "mp4ff.h" int mp4ff_matrix_init(mp4ff_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; } int mp4ff_matrix_delete(mp4ff_matrix_t *matrix) { } int mp4ff_read_matrix(mp4ff_t *file, mp4ff_matrix_t *matrix) { int i = 0; for(i = 0; i < 9; i++) { matrix->values[i] = mp4ff_read_fixed32(file); } } int mp4ff_matrix_dump(mp4ff_matrix_t *matrix) { int i; printf(" matrix"); for(i = 0; i < 9; i++) printf(" %f", matrix->values[i]); printf("\n"); } int mp4ff_write_matrix(mp4ff_t *file, mp4ff_matrix_t *matrix) { int i; for(i = 0; i < 9; i++) { mp4ff_write_fixed32(file, matrix->values[i]); } }