mirror of
https://github.com/Xaymar/obs-StreamFX
synced 2024-11-24 12:25:11 +00:00
283 lines
8.1 KiB
C++
283 lines
8.1 KiB
C++
/*
|
|
* Modern effects for a modern Streamer
|
|
* Copyright (C) 2017 Michael Fabian Dirks
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
|
|
*/
|
|
|
|
#include "filter-displacement.h"
|
|
#include "strings.h"
|
|
|
|
// Initializer & Finalizer
|
|
static Filter::Displacement* filterDisplacementInstance;
|
|
INITIALIZER(FilterDisplacementInit) {
|
|
initializerFunctions.push_back([] {
|
|
filterDisplacementInstance = new Filter::Displacement();
|
|
});
|
|
finalizerFunctions.push_back([] {
|
|
delete filterDisplacementInstance;
|
|
});
|
|
}
|
|
|
|
Filter::Displacement::Displacement() {
|
|
memset(&sourceInfo, 0, sizeof(obs_source_info));
|
|
sourceInfo.id = "obs-stream-effects-filter-displacement";
|
|
sourceInfo.type = OBS_SOURCE_TYPE_FILTER;
|
|
sourceInfo.output_flags = OBS_SOURCE_VIDEO;
|
|
sourceInfo.get_name = get_name;
|
|
sourceInfo.get_defaults = get_defaults;
|
|
sourceInfo.get_properties = get_properties;
|
|
|
|
sourceInfo.create = create;
|
|
sourceInfo.destroy = destroy;
|
|
sourceInfo.update = update;
|
|
sourceInfo.activate = activate;
|
|
sourceInfo.deactivate = deactivate;
|
|
sourceInfo.show = show;
|
|
sourceInfo.hide = hide;
|
|
sourceInfo.video_tick = video_tick;
|
|
sourceInfo.video_render = video_render;
|
|
|
|
obs_register_source(&sourceInfo);
|
|
}
|
|
|
|
Filter::Displacement::~Displacement() {
|
|
|
|
}
|
|
|
|
const char * Filter::Displacement::get_name(void *) {
|
|
return P_TRANSLATE(S_FILTER_DISPLACEMENT);
|
|
}
|
|
|
|
void * Filter::Displacement::create(obs_data_t *data, obs_source_t *source) {
|
|
return new Instance(data, source);
|
|
}
|
|
|
|
void Filter::Displacement::destroy(void *ptr) {
|
|
delete reinterpret_cast<Instance*>(ptr);
|
|
}
|
|
|
|
uint32_t Filter::Displacement::get_width(void *ptr) {
|
|
return reinterpret_cast<Instance*>(ptr)->get_width();
|
|
}
|
|
|
|
uint32_t Filter::Displacement::get_height(void *ptr) {
|
|
return reinterpret_cast<Instance*>(ptr)->get_height();
|
|
}
|
|
|
|
void Filter::Displacement::get_defaults(obs_data_t *data) {
|
|
char* disp = obs_module_file("filter-displacement/neutral.png");
|
|
obs_data_set_default_string(data, S_FILTER_DISPLACEMENT_FILE, disp);
|
|
obs_data_set_default_double(data, S_FILTER_DISPLACEMENT_RATIO, 0);
|
|
obs_data_set_default_double(data, S_FILTER_DISPLACEMENT_SCALE, 0);
|
|
bfree(disp);
|
|
}
|
|
|
|
obs_properties_t * Filter::Displacement::get_properties(void *ptr) {
|
|
obs_properties_t *pr = obs_properties_create();
|
|
|
|
std::string path = "";
|
|
if (ptr)
|
|
path = reinterpret_cast<Instance*>(ptr)->get_file();
|
|
|
|
obs_properties_add_path(pr, S_FILTER_DISPLACEMENT_FILE,
|
|
P_TRANSLATE(S_FILTER_DISPLACEMENT_FILE),
|
|
obs_path_type::OBS_PATH_FILE,
|
|
P_TRANSLATE(S_FILTER_DISPLACEMENT_FILE_TYPES), path.c_str());
|
|
obs_properties_add_float_slider(pr, S_FILTER_DISPLACEMENT_RATIO,
|
|
P_TRANSLATE(S_FILTER_DISPLACEMENT_RATIO), 0, 1, 0.01);
|
|
obs_properties_add_float_slider(pr, S_FILTER_DISPLACEMENT_SCALE,
|
|
P_TRANSLATE(S_FILTER_DISPLACEMENT_SCALE), -1000, 1000, 0.01);
|
|
return pr;
|
|
}
|
|
|
|
void Filter::Displacement::update(void *ptr, obs_data_t *data) {
|
|
reinterpret_cast<Instance*>(ptr)->update(data);
|
|
}
|
|
|
|
void Filter::Displacement::activate(void *ptr) {
|
|
reinterpret_cast<Instance*>(ptr)->activate();
|
|
}
|
|
|
|
void Filter::Displacement::deactivate(void *ptr) {
|
|
reinterpret_cast<Instance*>(ptr)->deactivate();
|
|
}
|
|
|
|
void Filter::Displacement::show(void *ptr) {
|
|
reinterpret_cast<Instance*>(ptr)->show();
|
|
}
|
|
|
|
void Filter::Displacement::hide(void *ptr) {
|
|
reinterpret_cast<Instance*>(ptr)->hide();
|
|
}
|
|
|
|
void Filter::Displacement::video_tick(void *ptr, float time) {
|
|
reinterpret_cast<Instance*>(ptr)->video_tick(time);
|
|
}
|
|
|
|
void Filter::Displacement::video_render(void *ptr, gs_effect_t *effect) {
|
|
reinterpret_cast<Instance*>(ptr)->video_render(effect);
|
|
}
|
|
|
|
Filter::Displacement::Instance::Instance(obs_data_t *data,
|
|
obs_source_t *context) {
|
|
this->dispmap.texture = nullptr;
|
|
this->dispmap.createTime = 0;
|
|
this->dispmap.modifiedTime = 0;
|
|
this->dispmap.size = 0;
|
|
this->timer = 0;
|
|
this->context = context;
|
|
|
|
obs_enter_graphics();
|
|
char* effectFile = obs_module_file("effects/displace.effect");
|
|
char* errorMessage = nullptr;
|
|
this->customEffect = gs_effect_create_from_file(effectFile,
|
|
&errorMessage);
|
|
bfree(effectFile);
|
|
if (errorMessage != nullptr) {
|
|
P_LOG_ERROR("%s", errorMessage);
|
|
bfree(errorMessage);
|
|
}
|
|
obs_leave_graphics();
|
|
|
|
update(data);
|
|
}
|
|
|
|
Filter::Displacement::Instance::~Instance() {
|
|
obs_enter_graphics();
|
|
gs_effect_destroy(customEffect);
|
|
gs_texture_destroy(dispmap.texture);
|
|
obs_leave_graphics();
|
|
}
|
|
|
|
void Filter::Displacement::Instance::update(obs_data_t *data) {
|
|
updateDisplacementMap(obs_data_get_string(data,
|
|
S_FILTER_DISPLACEMENT_FILE));
|
|
|
|
distance = float_t(obs_data_get_double(data,
|
|
S_FILTER_DISPLACEMENT_RATIO));
|
|
vec2_set(&displacementScale,
|
|
float_t(obs_data_get_double(data, S_FILTER_DISPLACEMENT_SCALE)),
|
|
float_t(obs_data_get_double(data, S_FILTER_DISPLACEMENT_SCALE))
|
|
);
|
|
}
|
|
|
|
uint32_t Filter::Displacement::Instance::get_width() {
|
|
return 0;
|
|
}
|
|
|
|
uint32_t Filter::Displacement::Instance::get_height() {
|
|
return 0;
|
|
}
|
|
|
|
void Filter::Displacement::Instance::activate() {}
|
|
|
|
void Filter::Displacement::Instance::deactivate() {}
|
|
|
|
void Filter::Displacement::Instance::show() {}
|
|
|
|
void Filter::Displacement::Instance::hide() {}
|
|
|
|
void Filter::Displacement::Instance::video_tick(float time) {
|
|
timer += time;
|
|
if (timer >= 1.0) {
|
|
timer -= 1.0;
|
|
updateDisplacementMap(dispmap.file);
|
|
}
|
|
}
|
|
|
|
float interp(float a, float b, float v) {
|
|
return (a * (1.0f - v)) + (b * v);
|
|
}
|
|
|
|
void Filter::Displacement::Instance::video_render(gs_effect_t *) {
|
|
obs_source_t *parent = obs_filter_get_parent(context);
|
|
obs_source_t *target = obs_filter_get_target(context);
|
|
uint32_t
|
|
baseW = obs_source_get_base_width(target),
|
|
baseH = obs_source_get_base_height(target);
|
|
|
|
// Skip rendering if our target, parent or context is not valid.
|
|
if (!target || !parent || !context || !dispmap.texture
|
|
|| !baseW || !baseH) {
|
|
obs_source_skip_video_filter(context);
|
|
return;
|
|
}
|
|
|
|
if (!obs_source_process_filter_begin(context, GS_RGBA,
|
|
OBS_ALLOW_DIRECT_RENDERING))
|
|
return;
|
|
|
|
gs_eparam_t *param;
|
|
|
|
vec2 texelScale;
|
|
vec2_set(&texelScale,
|
|
interp((1.0f / baseW), 1.0f, distance),
|
|
interp((1.0f / baseH), 1.0f, distance));
|
|
param = gs_effect_get_param_by_name(customEffect, "texelScale");
|
|
if (param)
|
|
gs_effect_set_vec2(param, &texelScale);
|
|
else
|
|
P_LOG_ERROR("Failed to set texel scale param.");
|
|
|
|
param = gs_effect_get_param_by_name(customEffect, "displacementScale");
|
|
if (param)
|
|
gs_effect_set_vec2(param, &displacementScale);
|
|
else
|
|
P_LOG_ERROR("Failed to set displacement scale param.");
|
|
|
|
param = gs_effect_get_param_by_name(customEffect, "displacementMap");
|
|
if (param)
|
|
gs_effect_set_texture(param, dispmap.texture);
|
|
else
|
|
P_LOG_ERROR("Failed to set texture param.");
|
|
|
|
obs_source_process_filter_end(context, customEffect, baseW, baseH);
|
|
}
|
|
|
|
std::string Filter::Displacement::Instance::get_file() {
|
|
return dispmap.file;
|
|
}
|
|
|
|
void Filter::Displacement::Instance::updateDisplacementMap(std::string file) {
|
|
bool shouldUpdateTexture = false;
|
|
|
|
// Different File
|
|
if (file != dispmap.file) {
|
|
dispmap.file = file;
|
|
shouldUpdateTexture = true;
|
|
} else { // Different Timestamps
|
|
struct stat stats;
|
|
if (os_stat(dispmap.file.c_str(), &stats) != 0) {
|
|
shouldUpdateTexture = shouldUpdateTexture ||
|
|
(dispmap.createTime != stats.st_ctime) ||
|
|
(dispmap.modifiedTime != stats.st_mtime);
|
|
dispmap.createTime = stats.st_ctime;
|
|
dispmap.modifiedTime = stats.st_mtime;
|
|
}
|
|
}
|
|
|
|
if (shouldUpdateTexture) {
|
|
obs_enter_graphics();
|
|
if (dispmap.texture) {
|
|
gs_texture_destroy(dispmap.texture);
|
|
dispmap.texture = nullptr;
|
|
}
|
|
if (os_file_exists(file.c_str()))
|
|
dispmap.texture =
|
|
gs_texture_create_from_file(dispmap.file.c_str());
|
|
obs_leave_graphics();
|
|
}
|
|
}
|