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matched seperator code from decode.c

master
Ahmet Inan 2012-09-04 13:30:15 +02:00
rodzic 614fccad24
commit 2f96e24d37
1 zmienionych plików z 35 dodań i 36 usunięć
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71
debug.c
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@ -59,8 +59,6 @@ int main(int argc, char **argv)
int begin_hor_sync = 0;
int begin_cal_break = 0;
int begin_cal_leader = 0;
int begin_sep_evn = 0;
int begin_sep_odd = 0;
int latch_sync = 0;
const float vis_len = 0.03;
@ -75,11 +73,11 @@ int main(int argc, char **argv)
int vis_ticks = 0;
int vis_bit = -1;
int vis_byte = 0;
int sep_evn = 0;
int sep_odd = 0;
int y = 0;
int odd = 0;
int odd_count = 0;
int evn_count = 0;
int first_hor_sync = 0;
#if DN && UP
@ -171,22 +169,17 @@ int main(int argc, char **argv)
begin_hor_sync = fabsf(cnt_freq - 1200.0) < 50.0 ? begin_hor_sync + 1 : 0;
begin_cal_break = fabsf(cnt_freq - 1200.0) < 50.0 ? begin_cal_break + 1 : 0;
begin_cal_leader = fabsf(cal_avg - 1900.0) < 50.0 ? begin_cal_leader + 1 : 0;
begin_sep_evn = fabsf(dat_freq - 1500.0) < 50.0 ? begin_sep_evn + 1 : 0;
begin_sep_odd = fabsf(dat_freq - 2300.0) < 350.0 ? begin_sep_odd + 1 : 0;
const float vis_tolerance = 0.9;
const float sync_tolerance = 0.7;
const float break_tolerance = 0.7;
const float leader_tolerance = 0.3;
const float seperator_tolerance = 0.7;
int vis_ss = begin_vis_ss >= (int)(drate * vis_tolerance * vis_len) ? 1 : 0;
int vis_lo = begin_vis_lo >= (int)(drate * vis_tolerance * vis_len) ? 1 : 0;
int vis_hi = begin_vis_hi >= (int)(drate * vis_tolerance * vis_len) ? 1 : 0;
int cal_break = begin_cal_break >= (int)(drate * break_tolerance * cal_break_len) ? 1 : 0;
int cal_leader = begin_cal_leader >= (int)(drate * leader_tolerance * cal_leader_len) ? 1 : 0;
int sep_evn = begin_sep_evn >= (int)(drate * seperator_tolerance * seperator_len) ? 1 : 0;
int sep_odd = begin_sep_odd >= (int)(drate * seperator_tolerance * seperator_len) ? 1 : 0;
// we want a pulse at the falling edge
latch_sync = begin_hor_sync > (int)(drate * sync_tolerance * hor_sync_len) ? 1 : latch_sync;
@ -205,6 +198,10 @@ int main(int argc, char **argv)
50*vis_ss+650, 50*vis_lo+550, 50*vis_hi+450,
50*sep_evn+350, 50*sep_odd+250);
// only want to see a pulse
sep_evn = 0;
sep_odd = 0;
if (cal_leader && !cal_break && got_cal_break &&
cal_ticks >= (int)(drate * (cal_leader_len + cal_break_len) * leader_tolerance) &&
cal_ticks <= (int)(drate * (cal_leader_len + cal_break_len) * (2.0 - leader_tolerance))) {
@ -364,36 +361,38 @@ int main(int argc, char **argv)
uv_pixel_x = 0;
}
if (hor_ticks > (int)((sync_porch_len + y_len) * drate) && hor_ticks < (int)((sync_porch_len + y_len + seperator_len) * drate)) {
odd_count += sep_odd;
evn_count += sep_evn;
}
static int sep_count = 0;
if (hor_ticks > (int)((sync_porch_len + y_len) * drate) && hor_ticks < (int)((sync_porch_len + y_len + seperator_len) * drate))
sep_count += dat_freq < 1900.0 ? 1 : -1;
// we try to correct from odd / even seperator
if (evn_count != odd_count && hor_ticks > (int)((sync_porch_len + y_len + seperator_len) * drate)) {
// even seperator
if (evn_count > odd_count && odd) {
odd = 0;
seperator_correction++;
for (int i = 0; i < 4; i++) {
uint8_t *p = img->pixel + 3 * y * width + 3 * (width - i - 15);
p[0] = 255;
p[1] = 0;
p[2] = 0;
if (sep_count && hor_ticks > (int)((sync_porch_len + y_len + seperator_len) * drate)) {
if (sep_count > 0) {
sep_evn = 1;
if (odd) {
odd = 0;
seperator_correction++;
for (int i = 0; i < 4; i++) {
uint8_t *p = img->pixel + 3 * y * width + 3 * (width - i - 15);
p[0] = 255;
p[1] = 0;
p[2] = 0;
}
}
} else {
sep_odd = 1;
if (!odd) {
odd = 1;
seperator_correction++;
for (int i = 0; i < 4; i++) {
uint8_t *p = img->pixel + 3 * y * width + 3 * (width - i - 15);
p[0] = 0;
p[1] = 255;
p[2] = 0;
}
}
}
// odd seperator
if (odd_count > evn_count && !odd) {
odd = 1;
seperator_correction++;
for (int i = 0; i < 4; i++) {
uint8_t *p = img->pixel + 3 * y * width + 3 * (width - i - 15);
p[0] = 0;
p[1] = 255;
p[2] = 0;
}
}
evn_count = 0;
odd_count = 0;
sep_count = 0;
}
if (hor_ticks == (int)(sync_porch_len * drate) ||
hor_ticks == (int)((sync_porch_len + y_len) * drate) ||