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introduced free_running state variable

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This commit is contained in:
Ahmet Inan 2014-12-11 17:14:20 +01:00
parent 9137d729d8
commit e79484e1ca
3 changed files with 12 additions and 6 deletions
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15
app/src/main/rs/decoder.rs
View file

@ -51,6 +51,7 @@ static void reset_buffer()
static void save_buffer()
{
free_running = 1;
if (!buffer_cleared)
return;
buffer_cleared = 0;
@ -63,7 +64,7 @@ static void save_buffer()
static void robot36_decoder()
{
static prev_timeout;
if (!buffer_cleared && !prev_timeout && 2 * abs(seperator_counter) > seperator_length)
if (free_running && !prev_timeout && 2 * abs(seperator_counter) > seperator_length)
vpos = (~1 & vpos) | (seperator_counter > 0);
prev_timeout = hpos >= maximum_length;
if (vpos & 1) {
@ -186,13 +187,17 @@ void decode(int samples) {
if (*current_mode != mode_debug) {
int detected_mode = calibration_detector(dat_value, dat_active, cnt_active, cnt_quantized);
if (detected_mode >= 0)
if (detected_mode >= 0) {
free_running = 0;
reset_buffer();
switch_mode(detected_mode);
switch_mode(detected_mode);
}
int estimated_mode = scanline_estimator(sync_level);
if (estimated_mode >= 0 && estimated_mode != *current_mode)
if (estimated_mode >= 0 && estimated_mode != *current_mode) {
free_running = 1;
reset_buffer();
switch_mode(estimated_mode);
switch_mode(estimated_mode);
}
}
int u_sep = u_sep_begin <= hpos && hpos < u_sep_end;

1
app/src/main/rs/initialization.rsh
View file

@ -33,6 +33,7 @@ void initialize(float rate, int length, int width, int height)
sync_counter = 0;
seperator_counter = 0;
buffer_cleared = 0;
free_running = 1;
minimum_length = 0.05f * sample_rate;
minimum_sync_length = 0.002f * sample_rate;

2
app/src/main/rs/state.rsh
View file

@ -21,7 +21,7 @@ static ema_t avg_power, leader_lowpass;
static ddc_t cnt_ddc, dat_ddc;
static fmd_t cnt_fmd, dat_fmd;
static int current_decoder;
static int blur_power;
static int blur_power, free_running;
static int sample_rate, prev_hpos;
static int maximum_variance, minimum_sync_length;
static int scanline_length, minimum_length, maximum_length;