mirror of https://github.com/Xaymar/obs-StreamFX
736 lines
22 KiB
C++
736 lines
22 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-blur.h"
|
|
#include "strings.h"
|
|
|
|
extern "C" {
|
|
#pragma warning (push)
|
|
#pragma warning (disable: 4201)
|
|
#include "libobs/util/platform.h"
|
|
#include "libobs/graphics/graphics.h"
|
|
#include "libobs/graphics/matrix4.h"
|
|
#pragma warning (pop)
|
|
}
|
|
|
|
#include <math.h>
|
|
#include <map>
|
|
|
|
enum ColorFormat : uint64_t {
|
|
RGB,
|
|
YUV, // 701
|
|
};
|
|
|
|
struct g_blurEffect {
|
|
gs_effect_t* effect;
|
|
std::vector<gs_texture_t*> kernels;
|
|
};
|
|
static g_blurEffect g_gaussianBlur, g_bilateralBlur;
|
|
static gs_effect_t* g_boxBlurEffect, *g_colorConversionEffect;
|
|
|
|
static size_t g_maxKernelSize = 25;
|
|
|
|
double_t gaussian1D(double_t x, double_t o) {
|
|
return (1.0 / (o * sqrt(2 * M_PI))) * exp(-(x*x) / (2 * (o*o)));
|
|
}
|
|
double_t bilateral(double_t x, double_t o) {
|
|
return 0.39894 * exp(-0.5 * (x * x) / (o * o)) / o;
|
|
}
|
|
|
|
Filter::Blur::Blur() {
|
|
memset(&sourceInfo, 0, sizeof(obs_source_info));
|
|
sourceInfo.id = "obs-stream-effects-filter-blur";
|
|
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_enter_graphics();
|
|
|
|
// Blur Effects
|
|
/// Box Blur
|
|
{
|
|
char* loadError = nullptr;
|
|
char* file = obs_module_file("effects/box-blur.effect");
|
|
g_boxBlurEffect = gs_effect_create_from_file(file, &loadError);
|
|
bfree(file);
|
|
if (loadError != nullptr) {
|
|
PLOG_ERROR("<filter-blur> Loading box-blur effect failed with error(s): %s", loadError);
|
|
bfree(loadError);
|
|
} else if (!g_boxBlurEffect) {
|
|
PLOG_ERROR("<filter-blur> Loading box-blur effect failed with unspecified error.");
|
|
}
|
|
}
|
|
/// Gaussian Blur
|
|
{
|
|
gs_effect_t* effect;
|
|
char* loadError = nullptr;
|
|
char* file = obs_module_file("effects/gaussian-blur.effect");
|
|
effect = gs_effect_create_from_file(file, &loadError);
|
|
bfree(file);
|
|
if (loadError != nullptr) {
|
|
PLOG_ERROR("<filter-blur> Loading gaussian blur effect failed with error(s): %s", loadError);
|
|
bfree(loadError);
|
|
} else if (!effect) {
|
|
PLOG_ERROR("<filter-blur> Loading gaussian blur effect failed with unspecified error.");
|
|
} else {
|
|
g_gaussianBlur.effect = effect;
|
|
g_gaussianBlur.kernels.resize(g_maxKernelSize);
|
|
std::vector<float_t> databuf;
|
|
for (size_t n = 1; n <= g_maxKernelSize; n++) {
|
|
databuf.resize(n);
|
|
// Calculate
|
|
double_t sum = 0.0;
|
|
for (size_t p = 0; p < n; p ++) {
|
|
databuf[p] = gaussian1D(p, n);
|
|
sum += databuf[p];
|
|
if (p != 0)
|
|
sum += databuf[p];
|
|
}
|
|
// Normalize
|
|
for (size_t p = 0; p < n; p++) {
|
|
databuf[p] /= sum;
|
|
}
|
|
|
|
uint8_t* data = reinterpret_cast<uint8_t*>(databuf.data());
|
|
const uint8_t** pdata = const_cast<const uint8_t**>(&data);
|
|
gs_texture_t* tex = gs_texture_create(n, 1, gs_color_format::GS_R32F, 1, pdata, 0);
|
|
if (!tex) {
|
|
PLOG_ERROR("<filter-blur> Failed to create gaussian kernel for %d width.", n);
|
|
} else {
|
|
g_gaussianBlur.kernels[n - 1] = tex;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
/// Bilateral Blur
|
|
{
|
|
gs_effect_t* effect;
|
|
char* loadError = nullptr;
|
|
char* file = obs_module_file("effects/bilateral-blur.effect");
|
|
effect = gs_effect_create_from_file(file, &loadError);
|
|
bfree(file);
|
|
if (loadError != nullptr) {
|
|
PLOG_ERROR("<filter-blur> Loading bilateral blur effect failed with error(s): %s", loadError);
|
|
bfree(loadError);
|
|
} else if (!effect) {
|
|
PLOG_ERROR("<filter-blur> Loading bilateral blur effect failed with unspecified error.");
|
|
} else {
|
|
g_bilateralBlur.effect = effect;
|
|
g_bilateralBlur.kernels.resize(g_maxKernelSize);
|
|
std::vector<float_t> databuf;
|
|
for (size_t n = 1; n <= g_maxKernelSize; n++) {
|
|
databuf.resize(n);
|
|
// Calculate
|
|
double_t sum = 0.0;
|
|
for (size_t p = 0; p < n; p++) {
|
|
databuf[p] = gaussian1D(p, M_PI);
|
|
sum += databuf[p];
|
|
if (p != 0)
|
|
sum += databuf[p];
|
|
}
|
|
// Normalize
|
|
for (size_t p = 0; p < n; p++) {
|
|
databuf[p] /= sum;
|
|
}
|
|
|
|
uint8_t* data = reinterpret_cast<uint8_t*>(databuf.data());
|
|
const uint8_t** pdata = const_cast<const uint8_t**>(&data);
|
|
gs_texture_t* tex = gs_texture_create(n, 1, gs_color_format::GS_R32F, 1, pdata, 0);
|
|
if (!tex) {
|
|
PLOG_ERROR("<filter-blur> Failed to create bilateral kernel for %d width.", n);
|
|
} else {
|
|
g_bilateralBlur.kernels[n - 1] = tex;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// Color Conversion
|
|
{
|
|
char* loadError = nullptr;
|
|
char* file = obs_module_file("effects/color-conversion.effect");
|
|
g_colorConversionEffect = gs_effect_create_from_file(file, &loadError);
|
|
bfree(file);
|
|
if (loadError != nullptr) {
|
|
PLOG_ERROR("<filter-blur> Loading color conversion effect failed with error(s): %s", loadError);
|
|
bfree(loadError);
|
|
} else if (!g_colorConversionEffect) {
|
|
PLOG_ERROR("<filter-blur> Loading color conversion effect failed with unspecified error.");
|
|
}
|
|
}
|
|
|
|
obs_leave_graphics();
|
|
|
|
if (g_boxBlurEffect && g_gaussianBlur.effect && g_bilateralBlur.effect && g_colorConversionEffect)
|
|
obs_register_source(&sourceInfo);
|
|
}
|
|
|
|
Filter::Blur::~Blur() {
|
|
obs_enter_graphics();
|
|
gs_effect_destroy(g_colorConversionEffect);
|
|
gs_effect_destroy(g_bilateralBlur.effect);
|
|
gs_effect_destroy(g_gaussianBlur.effect);
|
|
for (size_t n = 1; n <= g_maxKernelSize; n++) {
|
|
gs_texture_destroy(g_gaussianBlur.kernels[n - 1]);
|
|
}
|
|
gs_effect_destroy(g_boxBlurEffect);
|
|
obs_leave_graphics();
|
|
}
|
|
|
|
const char * Filter::Blur::get_name(void *) {
|
|
return P_TRANSLATE(P_FILTER_BLUR);
|
|
}
|
|
|
|
void Filter::Blur::get_defaults(obs_data_t *data) {
|
|
obs_data_set_default_int(data, P_FILTER_BLUR_TYPE, Filter::Blur::Type::Box);
|
|
obs_data_set_default_int(data, P_FILTER_BLUR_SIZE, 5);
|
|
|
|
// Bilateral Only
|
|
obs_data_set_default_double(data, P_FILTER_BLUR_BILATERAL_SMOOTHING, 50.0);
|
|
obs_data_set_default_double(data, P_FILTER_BLUR_BILATERAL_SHARPNESS, 90.0);
|
|
|
|
// Advanced
|
|
obs_data_set_default_bool(data, P_FILTER_BLUR_ADVANCED, false);
|
|
obs_data_set_default_int(data, P_FILTER_BLUR_ADVANCED_COLORFORMAT, ColorFormat::RGB);
|
|
}
|
|
|
|
obs_properties_t * Filter::Blur::get_properties(void *) {
|
|
obs_properties_t *pr = obs_properties_create();
|
|
obs_property_t* p = NULL;
|
|
|
|
p = obs_properties_add_list(pr, P_FILTER_BLUR_TYPE, P_TRANSLATE(P_FILTER_BLUR_TYPE),
|
|
obs_combo_type::OBS_COMBO_TYPE_LIST, obs_combo_format::OBS_COMBO_FORMAT_INT);
|
|
obs_property_set_long_description(p, P_TRANSLATE(P_DESC(P_FILTER_BLUR_TYPE)));
|
|
obs_property_set_modified_callback(p, modified_properties);
|
|
obs_property_list_add_int(p, P_TRANSLATE(P_FILTER_BLUR_TYPE_BOX),
|
|
Filter::Blur::Type::Box);
|
|
obs_property_list_add_int(p, P_TRANSLATE(P_FILTER_BLUR_TYPE_GAUSSIAN),
|
|
Filter::Blur::Type::Gaussian);
|
|
obs_property_list_add_int(p, P_TRANSLATE(P_FILTER_BLUR_TYPE_BILATERAL),
|
|
Filter::Blur::Type::Bilateral);
|
|
|
|
p = obs_properties_add_int_slider(pr, P_FILTER_BLUR_SIZE,
|
|
P_TRANSLATE(P_FILTER_BLUR_SIZE), 1, 25, 1);
|
|
obs_property_set_long_description(p, P_TRANSLATE(P_DESC(P_FILTER_BLUR_SIZE)));
|
|
obs_property_set_modified_callback(p, modified_properties);
|
|
|
|
// Bilateral Only
|
|
p = obs_properties_add_float_slider(pr, P_FILTER_BLUR_BILATERAL_SMOOTHING,
|
|
P_TRANSLATE(P_FILTER_BLUR_BILATERAL_SMOOTHING), 0.01, 100.0, 0.01);
|
|
obs_property_set_long_description(p, P_TRANSLATE(P_DESC(P_FILTER_BLUR_BILATERAL_SMOOTHING)));
|
|
p = obs_properties_add_float_slider(pr, P_FILTER_BLUR_BILATERAL_SHARPNESS,
|
|
P_TRANSLATE(P_FILTER_BLUR_BILATERAL_SHARPNESS), 0, 99.99, 0.01);
|
|
obs_property_set_long_description(p, P_TRANSLATE(P_DESC(P_FILTER_BLUR_BILATERAL_SHARPNESS)));
|
|
|
|
// Advanced
|
|
p = obs_properties_add_bool(pr, P_FILTER_BLUR_ADVANCED, P_TRANSLATE(P_FILTER_BLUR_ADVANCED));
|
|
obs_property_set_long_description(p, P_TRANSLATE(P_DESC(P_FILTER_BLUR_ADVANCED)));
|
|
obs_property_set_modified_callback(p, modified_properties);
|
|
|
|
p = obs_properties_add_list(pr, P_FILTER_BLUR_ADVANCED_COLORFORMAT,
|
|
P_TRANSLATE(P_FILTER_BLUR_ADVANCED_COLORFORMAT),
|
|
obs_combo_type::OBS_COMBO_TYPE_LIST, obs_combo_format::OBS_COMBO_FORMAT_INT);
|
|
obs_property_set_long_description(p,
|
|
P_TRANSLATE(P_DESC(P_FILTER_BLUR_ADVANCED_COLORFORMAT)));
|
|
obs_property_list_add_int(p, "RGB",
|
|
ColorFormat::RGB);
|
|
obs_property_list_add_int(p, "YUV",
|
|
ColorFormat::YUV);
|
|
|
|
return pr;
|
|
}
|
|
|
|
bool Filter::Blur::modified_properties(obs_properties_t *pr, obs_property_t *, obs_data_t *d) {
|
|
bool showBilateral = false;
|
|
|
|
switch (obs_data_get_int(d, P_FILTER_BLUR_TYPE)) {
|
|
case Filter::Blur::Type::Box:
|
|
break;
|
|
case Filter::Blur::Type::Gaussian:
|
|
break;
|
|
case Filter::Blur::Type::Bilateral:
|
|
showBilateral = true;
|
|
break;
|
|
}
|
|
|
|
// Bilateral Blur
|
|
obs_property_set_visible(obs_properties_get(pr, P_FILTER_BLUR_BILATERAL_SMOOTHING),
|
|
showBilateral);
|
|
obs_property_set_visible(obs_properties_get(pr, P_FILTER_BLUR_BILATERAL_SHARPNESS),
|
|
showBilateral);
|
|
|
|
// Advanced
|
|
bool showAdvanced = false;
|
|
if (obs_data_get_bool(d, P_FILTER_BLUR_ADVANCED))
|
|
showAdvanced = true;
|
|
|
|
obs_property_set_visible(obs_properties_get(pr, P_FILTER_BLUR_ADVANCED_COLORFORMAT),
|
|
showAdvanced);
|
|
|
|
return true;
|
|
}
|
|
|
|
void * Filter::Blur::create(obs_data_t *data, obs_source_t *source) {
|
|
return new Instance(data, source);
|
|
}
|
|
|
|
void Filter::Blur::destroy(void *ptr) {
|
|
delete reinterpret_cast<Instance*>(ptr);
|
|
}
|
|
|
|
uint32_t Filter::Blur::get_width(void *ptr) {
|
|
return reinterpret_cast<Instance*>(ptr)->get_width();
|
|
}
|
|
|
|
uint32_t Filter::Blur::get_height(void *ptr) {
|
|
return reinterpret_cast<Instance*>(ptr)->get_height();
|
|
}
|
|
|
|
void Filter::Blur::update(void *ptr, obs_data_t *data) {
|
|
reinterpret_cast<Instance*>(ptr)->update(data);
|
|
}
|
|
|
|
void Filter::Blur::activate(void *ptr) {
|
|
reinterpret_cast<Instance*>(ptr)->activate();
|
|
}
|
|
|
|
void Filter::Blur::deactivate(void *ptr) {
|
|
reinterpret_cast<Instance*>(ptr)->deactivate();
|
|
}
|
|
|
|
void Filter::Blur::show(void *ptr) {
|
|
reinterpret_cast<Instance*>(ptr)->show();
|
|
}
|
|
|
|
void Filter::Blur::hide(void *ptr) {
|
|
reinterpret_cast<Instance*>(ptr)->hide();
|
|
}
|
|
|
|
void Filter::Blur::video_tick(void *ptr, float time) {
|
|
reinterpret_cast<Instance*>(ptr)->video_tick(time);
|
|
}
|
|
|
|
void Filter::Blur::video_render(void *ptr, gs_effect_t *effect) {
|
|
reinterpret_cast<Instance*>(ptr)->video_render(effect);
|
|
}
|
|
|
|
Filter::Blur::Instance::Instance(obs_data_t *data, obs_source_t *context) : m_source(context) {
|
|
obs_enter_graphics();
|
|
m_effect = g_boxBlurEffect;
|
|
m_primaryRT = gs_texrender_create(GS_RGBA, GS_ZS_NONE);
|
|
m_secondaryRT = gs_texrender_create(GS_RGBA, GS_ZS_NONE);
|
|
m_rtHorizontal = gs_texrender_create(GS_RGBA, GS_ZS_NONE);
|
|
m_rtVertical = gs_texrender_create(GS_RGBA, GS_ZS_NONE);
|
|
obs_leave_graphics();
|
|
|
|
update(data);
|
|
}
|
|
|
|
Filter::Blur::Instance::~Instance() {
|
|
obs_enter_graphics();
|
|
gs_texrender_destroy(m_primaryRT);
|
|
gs_texrender_destroy(m_secondaryRT);
|
|
gs_texrender_destroy(m_rtHorizontal);
|
|
gs_texrender_destroy(m_rtVertical);
|
|
obs_leave_graphics();
|
|
}
|
|
|
|
void Filter::Blur::Instance::update(obs_data_t *data) {
|
|
m_type = (Type)obs_data_get_int(data, P_FILTER_BLUR_TYPE);
|
|
switch (m_type) {
|
|
case Filter::Blur::Type::Box:
|
|
m_effect = g_boxBlurEffect;
|
|
break;
|
|
case Filter::Blur::Type::Gaussian:
|
|
m_effect = g_gaussianBlur.effect;
|
|
break;
|
|
case Filter::Blur::Type::Bilateral:
|
|
m_effect = g_bilateralBlur.effect;
|
|
break;
|
|
}
|
|
m_size = (uint64_t)obs_data_get_int(data, P_FILTER_BLUR_SIZE);
|
|
|
|
// Bilateral Blur
|
|
m_bilateralSmoothing = obs_data_get_double(data, P_FILTER_BLUR_BILATERAL_SMOOTHING) / 100.0;
|
|
m_bilateralSharpness = obs_data_get_double(data, P_FILTER_BLUR_BILATERAL_SHARPNESS) / 100.0;
|
|
|
|
// Advanced
|
|
m_colorFormat = obs_data_get_int(data, P_FILTER_BLUR_ADVANCED_COLORFORMAT);
|
|
}
|
|
|
|
uint32_t Filter::Blur::Instance::get_width() {
|
|
return 0;
|
|
}
|
|
|
|
uint32_t Filter::Blur::Instance::get_height() {
|
|
return 0;
|
|
}
|
|
|
|
void Filter::Blur::Instance::activate() {}
|
|
|
|
void Filter::Blur::Instance::deactivate() {}
|
|
|
|
void Filter::Blur::Instance::show() {}
|
|
|
|
void Filter::Blur::Instance::hide() {}
|
|
|
|
void Filter::Blur::Instance::video_tick(float) {}
|
|
|
|
void Filter::Blur::Instance::video_render(gs_effect_t *effect) {
|
|
bool failed = false;
|
|
obs_source_t
|
|
*parent = obs_filter_get_parent(m_source),
|
|
*target = obs_filter_get_target(m_source);
|
|
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 || !m_source || !m_effect || !m_primaryRT || !m_technique
|
|
|| !baseW || !baseH) {
|
|
obs_source_skip_video_filter(m_source);
|
|
return;
|
|
}
|
|
|
|
gs_effect_t* defaultEffect = obs_get_base_effect(obs_base_effect::OBS_EFFECT_DEFAULT);
|
|
gs_texture_t *sourceTexture = nullptr;
|
|
|
|
#pragma region Source To Texture
|
|
gs_texrender_reset(m_primaryRT);
|
|
if (!gs_texrender_begin(m_primaryRT, baseW, baseH)) {
|
|
PLOG_ERROR("<filter-blur> Failed to set up base texture.");
|
|
obs_source_skip_video_filter(m_source);
|
|
return;
|
|
} else {
|
|
gs_ortho(0, (float)baseW, 0, (float)baseH, -1, 1);
|
|
|
|
// Clear to Black
|
|
vec4 black;
|
|
vec4_zero(&black);
|
|
gs_clear(GS_CLEAR_COLOR | GS_CLEAR_DEPTH, &black, 0, 0);
|
|
|
|
// Set up camera stuff
|
|
gs_set_cull_mode(GS_NEITHER);
|
|
gs_reset_blend_state();
|
|
gs_blend_function_separate(
|
|
gs_blend_type::GS_BLEND_ONE,
|
|
gs_blend_type::GS_BLEND_ZERO,
|
|
gs_blend_type::GS_BLEND_ONE,
|
|
gs_blend_type::GS_BLEND_ZERO);
|
|
gs_enable_depth_test(false);
|
|
gs_enable_stencil_test(false);
|
|
gs_enable_stencil_write(false);
|
|
gs_enable_color(true, true, true, true);
|
|
|
|
// Render
|
|
if (obs_source_process_filter_begin(m_source, GS_RGBA, OBS_NO_DIRECT_RENDERING)) {
|
|
obs_source_process_filter_end(m_source, effect ? effect : defaultEffect, baseW, baseH);
|
|
} else {
|
|
PLOG_ERROR("<filter-blur> Unable to render source.");
|
|
failed = true;
|
|
}
|
|
gs_texrender_end(m_primaryRT);
|
|
}
|
|
|
|
if (failed) {
|
|
obs_source_skip_video_filter(m_source);
|
|
return;
|
|
}
|
|
|
|
sourceTexture = gs_texrender_get_texture(m_primaryRT);
|
|
if (!sourceTexture) {
|
|
PLOG_ERROR("<filter-blur> Failed to get source texture.");
|
|
obs_source_skip_video_filter(m_source);
|
|
return;
|
|
}
|
|
#pragma endregion Source To Texture
|
|
|
|
// Conversion
|
|
if (m_colorFormat == ColorFormat::YUV) {
|
|
gs_texrender_reset(m_secondaryRT);
|
|
if (!gs_texrender_begin(m_secondaryRT, baseW, baseH)) {
|
|
PLOG_ERROR("<filter-blur> Failed to set up base texture.");
|
|
obs_source_skip_video_filter(m_source);
|
|
return;
|
|
} else {
|
|
gs_ortho(0, (float)baseW, 0, (float)baseH, -1, 1);
|
|
|
|
// Clear to Black
|
|
vec4 black;
|
|
vec4_zero(&black);
|
|
gs_clear(GS_CLEAR_COLOR | GS_CLEAR_DEPTH, &black, 0, 0);
|
|
|
|
// Set up camera stuff
|
|
gs_set_cull_mode(GS_NEITHER);
|
|
gs_reset_blend_state();
|
|
gs_blend_function_separate(
|
|
gs_blend_type::GS_BLEND_ONE,
|
|
gs_blend_type::GS_BLEND_ZERO,
|
|
gs_blend_type::GS_BLEND_ONE,
|
|
gs_blend_type::GS_BLEND_ZERO);
|
|
gs_enable_depth_test(false);
|
|
gs_enable_stencil_test(false);
|
|
gs_enable_stencil_write(false);
|
|
gs_enable_color(true, true, true, true);
|
|
|
|
gs_eparam_t* param = gs_effect_get_param_by_name(g_colorConversionEffect, "image");
|
|
if (!param) {
|
|
PLOG_ERROR("<filter-blur:Final> Failed to set image param.");
|
|
failed = true;
|
|
} else {
|
|
gs_effect_set_texture(param, sourceTexture);
|
|
}
|
|
while (gs_effect_loop(g_colorConversionEffect, "RGBToYUV")) {
|
|
gs_draw_sprite(sourceTexture, 0, baseW, baseH);
|
|
}
|
|
gs_texrender_end(m_secondaryRT);
|
|
}
|
|
|
|
if (failed) {
|
|
obs_source_skip_video_filter(m_source);
|
|
return;
|
|
}
|
|
|
|
sourceTexture = gs_texrender_get_texture(m_secondaryRT);
|
|
if (!sourceTexture) {
|
|
PLOG_ERROR("<filter-blur> Failed to get source texture.");
|
|
obs_source_skip_video_filter(m_source);
|
|
return;
|
|
}
|
|
}
|
|
|
|
gs_texture_t *blurred = blur_render(sourceTexture, baseW, baseH);
|
|
if (blurred == nullptr) {
|
|
obs_source_skip_video_filter(m_source);
|
|
return;
|
|
}
|
|
|
|
// Draw final effect
|
|
{
|
|
gs_effect_t* finalEffect = defaultEffect;
|
|
const char* technique = "Draw";
|
|
|
|
if (m_colorFormat == ColorFormat::YUV) {
|
|
finalEffect = g_colorConversionEffect;
|
|
technique = "YUVToRGB";
|
|
}
|
|
|
|
gs_eparam_t* param = gs_effect_get_param_by_name(finalEffect, "image");
|
|
if (!param) {
|
|
PLOG_ERROR("<filter-blur:Final> Failed to set image param.");
|
|
failed = true;
|
|
} else {
|
|
gs_effect_set_texture(param, blurred);
|
|
}
|
|
while (gs_effect_loop(finalEffect, technique)) {
|
|
gs_draw_sprite(blurred, 0, baseW, baseH);
|
|
}
|
|
}
|
|
|
|
if (failed) {
|
|
obs_source_skip_video_filter(m_source);
|
|
return;
|
|
}
|
|
}
|
|
|
|
gs_texture_t* Filter::Blur::Instance::blur_render(gs_texture_t* input, uint32_t baseW, uint32_t baseH) {
|
|
bool failed = false;
|
|
gs_texture_t *intermediate;
|
|
|
|
#pragma region Horizontal Pass
|
|
gs_texrender_reset(m_rtHorizontal);
|
|
if (!gs_texrender_begin(m_rtHorizontal, baseW, baseH)) {
|
|
PLOG_ERROR("<filter-blur:Horizontal> Failed to initialize.");
|
|
return nullptr;
|
|
} else {
|
|
gs_ortho(0, (float)baseW, 0, (float)baseH, -1, 1);
|
|
|
|
// Clear to Black
|
|
vec4 black;
|
|
vec4_zero(&black);
|
|
gs_clear(GS_CLEAR_COLOR | GS_CLEAR_DEPTH, &black, 0, 0);
|
|
|
|
// Set up camera stuff
|
|
gs_set_cull_mode(GS_NEITHER);
|
|
gs_reset_blend_state();
|
|
gs_blend_function_separate(
|
|
gs_blend_type::GS_BLEND_ONE,
|
|
gs_blend_type::GS_BLEND_ZERO,
|
|
gs_blend_type::GS_BLEND_ONE,
|
|
gs_blend_type::GS_BLEND_ZERO);
|
|
gs_enable_depth_test(false);
|
|
gs_enable_stencil_test(false);
|
|
gs_enable_stencil_write(false);
|
|
gs_enable_color(true, true, true, true);
|
|
|
|
// Prepare Effect
|
|
if (!apply_effect_param(input, (float)(1.0 / baseW), 0)) {
|
|
PLOG_ERROR("<filter-blur:Horizontal> Failed to set effect parameters.");
|
|
failed = true;
|
|
} else {
|
|
while (gs_effect_loop(m_effect, "Draw")) {
|
|
gs_draw_sprite(input, 0, baseW, baseH);
|
|
}
|
|
}
|
|
gs_texrender_end(m_rtHorizontal);
|
|
}
|
|
|
|
if (failed) {
|
|
return nullptr;
|
|
}
|
|
|
|
intermediate = gs_texrender_get_texture(m_rtHorizontal);
|
|
if (!intermediate) {
|
|
PLOG_ERROR("<filter-blur:Horizontal> Failed to get intermediate texture.");
|
|
return nullptr;
|
|
}
|
|
#pragma endregion Horizontal Pass
|
|
|
|
#pragma region Vertical Pass
|
|
gs_texrender_reset(m_rtVertical);
|
|
if (!gs_texrender_begin(m_rtVertical, baseW, baseH)) {
|
|
PLOG_ERROR("<filter-blur:Vertical> Failed to initialize.");
|
|
return nullptr;
|
|
} else {
|
|
gs_ortho(0, (float)baseW, 0, (float)baseH, -1, 1);
|
|
|
|
// Clear to Black
|
|
vec4 black;
|
|
vec4_zero(&black);
|
|
gs_clear(GS_CLEAR_COLOR | GS_CLEAR_DEPTH, &black, 0, 0);
|
|
|
|
// Set up camera stuff
|
|
gs_set_cull_mode(GS_NEITHER);
|
|
gs_reset_blend_state();
|
|
gs_blend_function_separate(
|
|
gs_blend_type::GS_BLEND_ONE,
|
|
gs_blend_type::GS_BLEND_ZERO,
|
|
gs_blend_type::GS_BLEND_ONE,
|
|
gs_blend_type::GS_BLEND_ZERO);
|
|
gs_enable_depth_test(false);
|
|
gs_enable_stencil_test(false);
|
|
gs_enable_stencil_write(false);
|
|
gs_enable_color(true, true, true, true);
|
|
|
|
// Prepare Effect
|
|
if (!apply_effect_param(intermediate, 0, (float)(1.0 / baseH))) {
|
|
PLOG_ERROR("<filter-blur:Vertical> Failed to set effect parameters.");
|
|
failed = true;
|
|
} else {
|
|
while (gs_effect_loop(m_effect, "Draw")) {
|
|
gs_draw_sprite(intermediate, 0, baseW, baseH);
|
|
}
|
|
}
|
|
gs_texrender_end(m_rtVertical);
|
|
}
|
|
|
|
if (failed) {
|
|
return nullptr;
|
|
}
|
|
|
|
intermediate = gs_texrender_get_texture(m_rtVertical);
|
|
if (!intermediate) {
|
|
PLOG_ERROR("<filter-blur:Vertical> Failed to get intermediate texture.");
|
|
return nullptr;
|
|
}
|
|
#pragma endregion Vertical Pass
|
|
|
|
return intermediate;
|
|
}
|
|
|
|
bool Filter::Blur::Instance::apply_effect_param(gs_texture_t* texture, float uvTexelX, float uvTexelY) {
|
|
gs_eparam_t *param;
|
|
|
|
// UV Stepping
|
|
param = gs_effect_get_param_by_name(m_effect, "texel");
|
|
if (!param) {
|
|
PLOG_ERROR("<filter-blur> Failed to set texel param.");
|
|
return false;
|
|
} else {
|
|
PLOG_DEBUG("<filter-blur> Applying texel parameter.");
|
|
vec2 texel;
|
|
vec2_set(&texel, uvTexelX, uvTexelY);
|
|
gs_effect_set_vec2(param, &texel);
|
|
}
|
|
|
|
// Filter Width
|
|
param = gs_effect_get_param_by_name(m_effect, "widthHalf");
|
|
if (!param) {
|
|
PLOG_ERROR("<filter-blur> Failed to set widthHalf param.");
|
|
return false;
|
|
} else {
|
|
PLOG_DEBUG("<filter-blur> Applying widthHalf parameter.");
|
|
gs_effect_set_int(param, (int)m_size);
|
|
}
|
|
param = gs_effect_get_param_by_name(m_effect, "width");
|
|
if (!param) {
|
|
PLOG_ERROR("<filter-blur> Failed to set width param.");
|
|
return false;
|
|
} else {
|
|
PLOG_DEBUG("<filter-blur> Applying width parameter.");
|
|
gs_effect_set_int(param, (int)(1 + m_size * 2));
|
|
}
|
|
|
|
// Texture
|
|
param = gs_effect_get_param_by_name(m_effect, "image");
|
|
if (!param) {
|
|
PLOG_ERROR("<filter-blur> Failed to set image param.");
|
|
return false;
|
|
} else {
|
|
PLOG_DEBUG("<filter-blur> Applying image parameter.");
|
|
gs_effect_set_texture(param, texture);
|
|
}
|
|
|
|
// Bilateral Blur
|
|
if (m_type == Type::Bilateral) {
|
|
param = gs_effect_get_param_by_name(m_effect, "bilateralSmoothing");
|
|
if (!param) {
|
|
PLOG_ERROR("<filter-blur> Failed to set bilateralSmoothing param.");
|
|
return false;
|
|
} else {
|
|
PLOG_DEBUG("<filter-blur> Applying bilateralSmoothing parameter.");
|
|
gs_effect_set_float(param,
|
|
(float)(m_bilateralSmoothing * (1 + m_size * 2)));
|
|
}
|
|
|
|
param = gs_effect_get_param_by_name(m_effect, "bilateralSharpness");
|
|
if (!param) {
|
|
PLOG_ERROR("<filter-blur> Failed to set bilateralSmoothing param.");
|
|
return false;
|
|
} else {
|
|
PLOG_DEBUG("<filter-blur> Applying bilateralSharpness parameter.");
|
|
gs_effect_set_float(param, (float)(1.0 - m_bilateralSharpness));
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|