/*
* WARNING: unlike commit_params, which is thread safe wrt gui thread and
* pipes, this function lives in the pipeline thread, and NOT thread safe!
*/
static void commit_params_late(struct dt_iop_module_t *self, dt_dev_pixelpipe_iop_t *piece)
{
dt_iop_exposure_data_t *d = (dt_iop_exposure_data_t *)piece->data;
dt_iop_exposure_gui_data_t *g = (dt_iop_exposure_gui_data_t *)self->gui_data;
if(d->mode == EXPOSURE_MODE_DEFLICKER)
{
if(g && piece->pipe->type == DT_DEV_PIXELPIPE_FULL)
{
dt_pthread_mutex_lock(&g->lock);
d->exposure = g->deflicker_computed_exposure;
dt_pthread_mutex_unlock(&g->lock);
}
if(piece->pipe->type == DT_DEV_PIXELPIPE_PREVIEW || isnan(d->exposure))
{
compute_correction(self, piece, piece->histogram, &piece->histogram_stats, &d->exposure);
}
}
if(g && piece->pipe->type == DT_DEV_PIXELPIPE_PREVIEW)
{
dt_pthread_mutex_lock(&g->lock);
g->deflicker_computed_exposure = d->exposure;
dt_pthread_mutex_unlock(&g->lock);
}
}
/*
* WARNING: unlike commit_params, which is thread safe wrt gui thread and
* pipes, this function lives in the pipeline thread, and NOT thread safe!
*/
static void commit_params_late (struct dt_iop_module_t *self, dt_dev_pixelpipe_iop_t *piece)
{
dt_iop_exposure_data_t *d = (dt_iop_exposure_data_t *)piece->data;
if(d->mode == EXPOSURE_MODE_DEFLICKER)
{
compute_correction(self, piece, self->histogram, &self->histogram_stats, &d->exposure);
}
}
static void
deflicker_process (dt_iop_module_t *self)
{
if(!(self->dev->image_storage.flags & DT_IMAGE_RAW)) return;
dt_iop_exposure_params_t *p = (dt_iop_exposure_params_t *)self->params;
float correction;
if(p->deflicker && !compute_correction(self, &correction))
exposure_set_white(self, exposure2white(correction));
}
void commit_params(struct dt_iop_module_t *self, dt_iop_params_t *p1, dt_dev_pixelpipe_t *pipe,
dt_dev_pixelpipe_iop_t *piece)
{
dt_iop_exposure_params_t *p = (dt_iop_exposure_params_t *)p1;
dt_iop_exposure_data_t *d = (dt_iop_exposure_data_t *)piece->data;
dt_iop_exposure_gui_data_t *g = (dt_iop_exposure_gui_data_t *)self->gui_data;
d->black = p->black;
d->exposure = p->exposure;
piece->request_histogram &= ~(DT_REQUEST_ON);
piece->request_histogram |= (DT_REQUEST_ONLY_IN_GUI);
d->deflicker_percentile = p->deflicker_percentile;
d->deflicker_target_level = p->deflicker_target_level;
if(p->mode == EXPOSURE_MODE_DEFLICKER && dt_image_is_raw(&self->dev->image_storage))
{
if(p->deflicker_histogram_source == DEFLICKER_HISTOGRAM_SOURCE_SOURCEFILE)
{
if(g)
{
// histogram is precomputed and cached
compute_correction(self, piece, g->deflicker_histogram, &g->deflicker_histogram_stats, &d->exposure);
}
else
{
uint32_t *histogram = NULL;
dt_dev_histogram_stats_t histogram_stats;
deflicker_prepare_histogram(self, &histogram, &histogram_stats);
compute_correction(self, piece, histogram, &histogram_stats, &d->exposure);
free(histogram);
}
d->mode = EXPOSURE_MODE_MANUAL;
}
else
{
if(p->deflicker_histogram_source == DEFLICKER_HISTOGRAM_SOURCE_THUMBNAIL)
{
d->mode = EXPOSURE_MODE_DEFLICKER;
piece->request_histogram |= (DT_REQUEST_ON);
if(!self->dev->gui_attached) piece->request_histogram &= ~(DT_REQUEST_ONLY_IN_GUI);
piece->histogram_params.bins_count = 16384;
/*
* in principle, we do not need/want histogram in FULL pipe
* because we will use histogram from preview pipe there,
* but it might happen that for some reasons we do not have
* histogram of preview pipe yet - e.g. on first pipe run
* (just after setting mode to automatic)
*/
d->exposure = NAN;
// commit_params_late() will compute exposure later
}
}
}
else
{
d->mode = EXPOSURE_MODE_MANUAL;
}
}
void commit_params (struct dt_iop_module_t *self, dt_iop_params_t *p1, dt_dev_pixelpipe_t *pipe, dt_dev_pixelpipe_iop_t *piece)
{
dt_iop_exposure_params_t *p = (dt_iop_exposure_params_t *)p1;
dt_iop_exposure_data_t *d = (dt_iop_exposure_data_t *)piece->data;
dt_iop_exposure_gui_data_t *g = (dt_iop_exposure_gui_data_t *)self->gui_data;
d->black = p->black;
d->exposure = p->exposure;
self->request_histogram &= ~(DT_REQUEST_ON);
self->request_histogram |= (DT_REQUEST_ONLY_IN_GUI);
self->request_histogram_source = (DT_DEV_PIXELPIPE_PREVIEW);
if(self->dev->gui_attached)
{
g->reprocess_on_next_expose = FALSE;
}
gboolean histogram_is_good = ((self->histogram_stats.bins_count == 16384)
&& (self->histogram != NULL));
d->deflicker_percentile = p->deflicker_percentile;
d->deflicker_target_level = p->deflicker_target_level;
if(p->mode == EXPOSURE_MODE_DEFLICKER && dt_image_is_raw(&self->dev->image_storage))
{
if(p->deflicker_histogram_source == DEFLICKER_HISTOGRAM_SOURCE_SOURCEFILE)
{
if(self->dev->gui_attached)
{
// histogram is precomputed and cached
compute_correction(self, piece, g->deflicker_histogram, &g->deflicker_histogram_stats, &d->exposure);
}
else
{
uint32_t *histogram = NULL;
dt_dev_histogram_stats_t histogram_stats;
deflicker_prepare_histogram(self, &histogram, &histogram_stats);
compute_correction(self, piece, histogram, &histogram_stats, &d->exposure);
free(histogram);
}
d->mode = EXPOSURE_MODE_MANUAL;
}
else
{
if(p->deflicker_histogram_source == DEFLICKER_HISTOGRAM_SOURCE_THUMBNAIL)
{
self->request_histogram |= (DT_REQUEST_ON);
gboolean failed = !histogram_is_good;
if(self->dev->gui_attached && histogram_is_good)
{
/*
* if in GUI, user might zoomed main view => we would get histogram of
* only part of image, so if in GUI we must always use histogram of
* preview pipe, which is always full-size and have biggest size
*/
d->mode = EXPOSURE_MODE_DEFLICKER;
commit_params_late(self, piece);
d->mode = EXPOSURE_MODE_MANUAL;
if(isnan(d->exposure))
failed = TRUE;
}
else if(failed || !(self->dev->gui_attached && histogram_is_good))
{
d->mode = EXPOSURE_MODE_DEFLICKER;
//commit_params_late() will compute correct d->exposure later
self->request_histogram &= ~(DT_REQUEST_ONLY_IN_GUI);
self->request_histogram_source = (DT_DEV_PIXELPIPE_ANY);
if(failed && self->dev->gui_attached)
{
/*
* but sadly we do not yet have a histogram to do so, so this time
* we process asif not in gui, and in expose() immediately
* reprocess, thus everything works as expected
*/
g->reprocess_on_next_expose = TRUE;
}
}
}
}
}
else
{
d->mode = EXPOSURE_MODE_MANUAL;
}
}
