obs-studio/plugins/obs-filters/sharpness-filter.c
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2019-06-23 23:49:10 -07:00

126 lines
3.0 KiB
C

#include <obs-module.h>
#include <obs-source.h>
#include <obs.h>
#include <util/platform.h>
struct sharpness_data {
obs_source_t *context;
gs_effect_t *effect;
gs_eparam_t *sharpness_param;
gs_eparam_t *texture_width, *texture_height;
float sharpness;
float texwidth, texheight;
};
static const char *sharpness_getname(void *unused)
{
UNUSED_PARAMETER(unused);
return obs_module_text("SharpnessFilter");
}
static void sharpness_update(void *data, obs_data_t *settings)
{
struct sharpness_data *filter = data;
double sharpness = obs_data_get_double(settings, "sharpness");
filter->sharpness = (float)sharpness;
}
static void sharpness_destroy(void *data)
{
struct sharpness_data *filter = data;
if (filter->effect) {
obs_enter_graphics();
gs_effect_destroy(filter->effect);
obs_leave_graphics();
}
bfree(data);
}
static void *sharpness_create(obs_data_t *settings, obs_source_t *context)
{
struct sharpness_data *filter = bzalloc(sizeof(struct sharpness_data));
char *effect_path = obs_module_file("sharpness.effect");
filter->context = context;
obs_enter_graphics();
filter->effect = gs_effect_create_from_file(effect_path, NULL);
if (filter->effect) {
filter->sharpness_param = gs_effect_get_param_by_name(
filter->effect, "sharpness");
filter->texture_width = gs_effect_get_param_by_name(
filter->effect, "texture_width");
filter->texture_height = gs_effect_get_param_by_name(
filter->effect, "texture_height");
}
obs_leave_graphics();
bfree(effect_path);
if (!filter->effect) {
sharpness_destroy(filter);
return NULL;
}
sharpness_update(filter, settings);
return filter;
}
static void sharpness_render(void *data, gs_effect_t *effect)
{
struct sharpness_data *filter = data;
if (!obs_source_process_filter_begin(filter->context, GS_RGBA,
OBS_ALLOW_DIRECT_RENDERING))
return;
filter->texwidth = (float)obs_source_get_width(
obs_filter_get_target(filter->context));
filter->texheight = (float)obs_source_get_height(
obs_filter_get_target(filter->context));
gs_effect_set_float(filter->sharpness_param, filter->sharpness);
gs_effect_set_float(filter->texture_width, filter->texwidth);
gs_effect_set_float(filter->texture_height, filter->texheight);
obs_source_process_filter_end(filter->context, filter->effect, 0, 0);
UNUSED_PARAMETER(effect);
}
static obs_properties_t *sharpness_properties(void *data)
{
obs_properties_t *props = obs_properties_create();
obs_properties_add_float_slider(props, "sharpness", "Sharpness", 0.0,
1.0, 0.01);
UNUSED_PARAMETER(data);
return props;
}
static void sharpness_defaults(obs_data_t *settings)
{
obs_data_set_default_double(settings, "sharpness", 0.08);
}
struct obs_source_info sharpness_filter = {
.id = "sharpness_filter",
.type = OBS_SOURCE_TYPE_FILTER,
.output_flags = OBS_SOURCE_VIDEO,
.get_name = sharpness_getname,
.create = sharpness_create,
.destroy = sharpness_destroy,
.update = sharpness_update,
.video_render = sharpness_render,
.get_properties = sharpness_properties,
.get_defaults = sharpness_defaults,
};