};
#define FRAME_SIZE 320
+#define REGION_SIZE 20
typedef struct SirenContext {
GetBitContext gb;
int number_of_regions;
int scale_factor;
int sample_rate_bits;
- int region_size;
unsigned dw1, dw2, dw3, dw4;
s->esf_adjustment = 7;
s->number_of_regions = 14;
s->scale_factor = 22;
- s->region_size = 20;
s->dw1 = s->dw2 = s->dw3 = s->dw4 = 1;
for (i = 0; i < 64; i++) {
for (region = 0; region < number_of_regions; region++) {
category = power_categories[region];
- coefs_ptr = coefs + (region * s->region_size);
+ coefs_ptr = coefs + (region * REGION_SIZE);
if (category >= 0 && category < 7) {
decoder_tree = decoder_tables[category];
}
}
- coefs_ptr = coefs + (region * s->region_size);
+ coefs_ptr = coefs + (region * REGION_SIZE);
if (category == 5) {
i = 0;
- for (j = 0; j < s->region_size; j++) {
+ for (j = 0; j < REGION_SIZE; j++) {
if (*coefs_ptr != 0)
i++;
coefs_ptr++;
noise = decoder_standard_deviation[region] * noise_category5[i];
} else if (category == 6) {
i = 0;
- for (j = 0; j < s->region_size; j++) {
+ for (j = 0; j < REGION_SIZE; j++) {
if (*coefs_ptr++ != 0)
i++;
}
noise = 0;
}
- coefs_ptr = coefs + (region * s->region_size);
+ coefs_ptr = coefs + (region * REGION_SIZE);
if (category == 5 || category == 6 || category == 7) {
dw1 = get_dw(s);