mirror of
https://github.com/Xaymar/obs-StreamFX
synced 2024-11-11 06:15:05 +00:00
df8ebd94ea
This drastically improves stability and prevents all exceptions from leaking into libobs C code, which prevents crashes and unexpected freezes from exception handlers further down the stack. Additionally minor work was done to further improve the quality and user experience for the filter.
184 lines
5.7 KiB
C++
184 lines
5.7 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.hpp"
|
|
#include <stdexcept>
|
|
#include <sys/stat.h>
|
|
#include "strings.hpp"
|
|
|
|
#define ST "Filter.Displacement"
|
|
#define ST_FILE "Filter.Displacement.File"
|
|
#define ST_SCALE "Filter.Displacement.Scale"
|
|
#define ST_SCALE_TYPE "Filter.Displacment.Scale.Type"
|
|
|
|
filter::displacement::displacement_instance::displacement_instance(obs_data_t* data, obs_source_t* context)
|
|
: obs::source_instance(data, context)
|
|
{
|
|
std::string effect = "";
|
|
{
|
|
char* buf = obs_module_file("effects/displace.effect");
|
|
effect = buf;
|
|
bfree(buf);
|
|
}
|
|
|
|
_effect = gs::effect::create(effect);
|
|
}
|
|
|
|
filter::displacement::displacement_instance::~displacement_instance()
|
|
{
|
|
_effect.reset();
|
|
_texture.reset();
|
|
}
|
|
|
|
void filter::displacement::displacement_instance::load(obs_data_t* settings)
|
|
{
|
|
update(settings);
|
|
}
|
|
|
|
inline void migrate_settings(obs_data_t* settings)
|
|
{
|
|
uint64_t version = static_cast<uint64_t>(obs_data_get_int(settings, S_VERSION));
|
|
|
|
switch (version & STREAMEFFECTS_MASK_COMPAT) {
|
|
case 0:
|
|
obs_data_set_double(settings, ST_SCALE, obs_data_get_double(settings, "Filter.Displacement.Scale") * 0.5);
|
|
obs_data_set_double(settings, ST_SCALE_TYPE,
|
|
obs_data_get_double(settings, "Filter.Displacement.Ratio") * 100.0);
|
|
obs_data_unset_user_value(settings, "Filter.Displacement.Ratio");
|
|
case STREAMEFFECTS_MAKE_VERSION(0, 8, 0, 0):
|
|
break;
|
|
}
|
|
|
|
obs_data_set_int(settings, S_VERSION, STREAMEFFECTS_VERSION);
|
|
}
|
|
|
|
void filter::displacement::displacement_instance::update(obs_data_t* settings)
|
|
{
|
|
migrate_settings(settings);
|
|
|
|
_scale[0] = _scale[1] = static_cast<float_t>(obs_data_get_double(settings, ST_SCALE));
|
|
_scale_type = static_cast<float_t>(obs_data_get_double(settings, ST_SCALE_TYPE) / 100.0);
|
|
|
|
std::string new_file = obs_data_get_string(settings, ST_FILE);
|
|
if (new_file != _texture_file) {
|
|
try {
|
|
_texture = std::make_shared<gs::texture>(new_file);
|
|
_texture_file = new_file;
|
|
} catch (...) {
|
|
_texture.reset();
|
|
}
|
|
}
|
|
}
|
|
|
|
void filter::displacement::displacement_instance::video_tick(float_t)
|
|
{
|
|
_width = obs_source_get_base_width(_self);
|
|
_height = obs_source_get_base_height(_self);
|
|
}
|
|
|
|
void filter::displacement::displacement_instance::video_render(gs_effect_t*)
|
|
{
|
|
if (!_texture) { // No displacement map, so just skip us for now.
|
|
obs_source_skip_video_filter(_self);
|
|
return;
|
|
}
|
|
|
|
if (!obs_source_process_filter_begin(_self, GS_RGBA, OBS_ALLOW_DIRECT_RENDERING)) {
|
|
obs_source_skip_video_filter(_self);
|
|
return;
|
|
}
|
|
|
|
_effect->get_parameter("image_size")->set_float2(static_cast<float_t>(_width), static_cast<float_t>(_height));
|
|
_effect->get_parameter("image_inverse_size")
|
|
->set_float2(static_cast<float_t>(1.0 / _width), static_cast<float_t>(1.0 / _height));
|
|
_effect->get_parameter("normal")->set_texture(_texture->get_object());
|
|
_effect->get_parameter("scale")->set_float2(_scale[0], _scale[1]);
|
|
_effect->get_parameter("scale_type")->set_float(_scale_type);
|
|
|
|
obs_source_process_filter_end(_self, _effect->get_object(), _width, _height);
|
|
}
|
|
|
|
std::string filter::displacement::displacement_instance::get_file()
|
|
{
|
|
return _texture_file;
|
|
}
|
|
|
|
std::shared_ptr<filter::displacement::displacement_factory>
|
|
filter::displacement::displacement_factory::factory_instance = nullptr;
|
|
|
|
filter::displacement::displacement_factory::displacement_factory()
|
|
{
|
|
_info.id = "obs-stream-effects-filter-displacement";
|
|
_info.type = OBS_SOURCE_TYPE_FILTER;
|
|
_info.output_flags = OBS_SOURCE_VIDEO | OBS_SOURCE_CUSTOM_DRAW;
|
|
|
|
_info.get_width = _info.get_height = nullptr;
|
|
|
|
obs_register_source(&_info);
|
|
}
|
|
|
|
filter::displacement::displacement_factory::~displacement_factory() {}
|
|
|
|
const char* filter::displacement::displacement_factory::get_name()
|
|
{
|
|
return D_TRANSLATE(ST);
|
|
}
|
|
|
|
void filter::displacement::displacement_factory::get_defaults2(obs_data_t* data)
|
|
{
|
|
{
|
|
char* disp = obs_module_file("examples/normal-maps/neutral.png");
|
|
obs_data_set_default_string(data, ST_FILE, disp);
|
|
bfree(disp);
|
|
}
|
|
|
|
obs_data_set_default_double(data, ST_SCALE, 0.0);
|
|
obs_data_set_default_double(data, ST_SCALE_TYPE, 0.0);
|
|
}
|
|
|
|
obs_properties_t*
|
|
filter::displacement::displacement_factory::get_properties2(filter::displacement::displacement_instance* data)
|
|
{
|
|
obs_properties_t* pr = obs_properties_create();
|
|
|
|
std::string path = "";
|
|
if (data) {
|
|
path = data->get_file();
|
|
} else {
|
|
char* buf = obs_module_file("examples/normal-maps/neutral.png");
|
|
path = buf;
|
|
bfree(buf);
|
|
}
|
|
|
|
{
|
|
auto p = obs_properties_add_path(pr, ST_FILE, D_TRANSLATE(ST_FILE), obs_path_type::OBS_PATH_FILE,
|
|
D_TRANSLATE(S_FILEFILTERS_TEXTURE), path.c_str());
|
|
obs_property_set_long_description(p, D_TRANSLATE(D_DESC(ST_FILE)));
|
|
}
|
|
{
|
|
auto p = obs_properties_add_float(pr, ST_SCALE, D_TRANSLATE(ST_SCALE), -10000000.0, 10000000.0, 0.01);
|
|
obs_property_set_long_description(p, D_TRANSLATE(D_DESC(ST_SCALE)));
|
|
}
|
|
{
|
|
auto p = obs_properties_add_float_slider(pr, ST_SCALE_TYPE, D_TRANSLATE(ST_SCALE_TYPE), 0.0, 100.0, 0.01);
|
|
obs_property_set_long_description(p, D_TRANSLATE(D_DESC(ST_SCALE_TYPE)));
|
|
}
|
|
|
|
return pr;
|
|
}
|