tami/gst-plugin-linescan
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fit

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This commit is contained in:
yair
2025-11-18 01:12:52 +02:00
parent b19babd038
commit 6686cb4534
3 changed files with 141 additions and 577 deletions
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9
gst/intervalometer/gstintervalometer.c
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@@ -710,9 +710,12 @@ gst_intervalometer_update_camera_settings (GstIntervalometer * filter,
gain_range = filter->gain_max - filter->gain_min;
/* Determine target exposure and gain using YASS-like algorithm */
/* Use tolerance for exposure comparisons to avoid asymptotic stalling */
#define EXPOSURE_TOLERANCE 0.01 /* 0.01 ms tolerance */
if (brightness > adjusted_target) {
/* Too bright - decrease exposure first, then gain */
if (filter->current_exposure > filter->exposure_min) {
if (filter->current_exposure > (filter->exposure_min + EXPOSURE_TOLERANCE)) {
filter->target_exposure = filter->current_exposure -
(exposure_range * 0.01 * ramp_multiplier);
filter->target_exposure = MAX (filter->target_exposure, filter->exposure_min);
@@ -722,7 +725,7 @@ gst_intervalometer_update_camera_settings (GstIntervalometer * filter,
}
} else {
/* Too dark - increase exposure first up to max, then increase gain */
if (filter->current_exposure < filter->exposure_max) {
if (filter->current_exposure < (filter->exposure_max - EXPOSURE_TOLERANCE)) {
filter->target_exposure = filter->current_exposure +
(exposure_range * 0.01 * ramp_multiplier);
filter->target_exposure = MIN (filter->target_exposure, filter->exposure_max);
@@ -731,6 +734,8 @@ gst_intervalometer_update_camera_settings (GstIntervalometer * filter,
filter->target_gain = MIN (filter->target_gain, filter->gain_max);
}
}
#undef EXPOSURE_TOLERANCE
/* Apply smooth ramping using ramp_step */
gdouble exp_delta = filter->target_exposure - filter->current_exposure;