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filter-transform: Update code and fix camera and scaling

This commit is contained in:
Michael Fabian Dirks 2017-09-17 23:56:40 +02:00
parent 4de0a0ca16
commit b07b5b1a0a
2 changed files with 46 additions and 63 deletions
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105
source/filter-transform.cpp
View File

@ -21,12 +21,12 @@
#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)
#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)
}
#define ST "Filter.Transform"
@ -58,6 +58,11 @@ static const float farZ = 2097152.0f; // 2 pow 21
static const float nearZ = 1.0f / farZ;
static const float valueLimit = 65536.0f;
enum class CameraMode : int32_t {
Orthographic,
Perspective
};
enum RotationOrder : int64_t {
XYZ,
XZY,
@ -81,8 +86,6 @@ Filter::Transform::Transform() {
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;
@ -96,7 +99,7 @@ const char* Filter::Transform::get_name(void *) {
}
void Filter::Transform::get_defaults(obs_data_t *data) {
obs_data_set_default_int(data, ST_CAMERA, 0);
obs_data_set_default_int(data, ST_CAMERA, (int64_t)CameraMode::Orthographic);
obs_data_set_default_double(data, ST_CAMERA_FIELDOFVIEW,
90.0);
obs_data_set_default_double(data, ST_POSITION_X, 0);
@ -120,9 +123,9 @@ obs_properties_t * Filter::Transform::get_properties(void *) {
OBS_COMBO_TYPE_LIST, OBS_COMBO_FORMAT_INT);
obs_property_set_long_description(p, P_TRANSLATE(P_DESC(ST_CAMERA)));
obs_property_list_add_int(p, P_TRANSLATE(ST_CAMERA_ORTHOGRAPHIC),
0);
(int64_t)CameraMode::Orthographic);
obs_property_list_add_int(p, P_TRANSLATE(ST_CAMERA_PERSPECTIVE),
1);
(int64_t)CameraMode::Perspective);
obs_property_set_modified_callback(p, modified_properties);
p = obs_properties_add_float_slider(pr, ST_CAMERA_FIELDOFVIEW,
@ -197,14 +200,14 @@ obs_properties_t * Filter::Transform::get_properties(void *) {
bool Filter::Transform::modified_properties(obs_properties_t *pr,
obs_property_t *, obs_data_t *d) {
switch (obs_data_get_int(d, ST_CAMERA)) {
case 0:
switch ((CameraMode)obs_data_get_int(d, ST_CAMERA)) {
case CameraMode::Orthographic:
obs_property_set_visible(obs_properties_get(pr,
ST_CAMERA_FIELDOFVIEW), false);
obs_property_set_visible(obs_properties_get(pr,
ST_POSITION_Z), false);
break;
case 1:
case CameraMode::Perspective:
obs_property_set_visible(obs_properties_get(pr,
ST_CAMERA_FIELDOFVIEW), true);
obs_property_set_visible(obs_properties_get(pr,
@ -216,7 +219,7 @@ bool Filter::Transform::modified_properties(obs_properties_t *pr,
obs_property_set_visible(obs_properties_get(pr,
ST_ROTATION_ORDER), advancedVisible);
return false;
return true;
}
void * Filter::Transform::create(obs_data_t *data, obs_source_t *source) {
@ -247,14 +250,6 @@ void Filter::Transform::deactivate(void *ptr) {
reinterpret_cast<Instance*>(ptr)->deactivate();
}
void Filter::Transform::show(void *ptr) {
reinterpret_cast<Instance*>(ptr)->show();
}
void Filter::Transform::hide(void *ptr) {
reinterpret_cast<Instance*>(ptr)->hide();
}
void Filter::Transform::video_tick(void *ptr, float time) {
reinterpret_cast<Instance*>(ptr)->video_tick(time);
}
@ -264,10 +259,11 @@ void Filter::Transform::video_render(void *ptr, gs_effect_t *effect) {
}
Filter::Transform::Instance::Instance(obs_data_t *data, obs_source_t *context) :
m_sourceContext(context), m_vertexHelper(nullptr), m_vertexBuffer(nullptr),
m_texRender(nullptr), m_shapeRender(nullptr), m_isCameraOrthographic(true),
m_cameraFieldOfView(90.0), m_isInactive(false), m_isHidden(false),
m_isMeshUpdateRequired(false), m_rotationOrder(RotationOrder::ZXY) {
m_sourceContext(context), m_vertexHelper(nullptr),
m_vertexBuffer(nullptr), m_texRender(nullptr), m_shapeRender(nullptr),
m_isCameraOrthographic(true), m_cameraFieldOfView(90.0),
m_isInactive(false), m_isHidden(false), m_isMeshUpdateRequired(false),
m_rotationOrder(RotationOrder::ZXY) {
vec3_set(&m_position, 0, 0, 0);
vec3_set(&m_rotation, 0, 0, 0);
vec3_set(&m_scale, 1, 1, 1);
@ -275,7 +271,7 @@ m_isMeshUpdateRequired(false), m_rotationOrder(RotationOrder::ZXY) {
obs_enter_graphics();
m_texRender = gs_texrender_create(GS_RGBA, GS_ZS_NONE);
m_shapeRender = gs_texrender_create(GS_RGBA, GS_ZS_NONE);
m_vertexHelper = new Helper::VertexBuffer(4);
m_vertexHelper = new GS::VertexBuffer(4);
m_vertexHelper->set_uv_layers(1);
m_vertexHelper->resize(4);
obs_leave_graphics();
@ -330,14 +326,6 @@ void Filter::Transform::Instance::deactivate() {
m_isInactive = true;
}
void Filter::Transform::Instance::show() {
m_isHidden = false;
}
void Filter::Transform::Instance::hide() {
m_isHidden = true;
}
void Filter::Transform::Instance::video_tick(float) {}
void Filter::Transform::Instance::video_render(gs_effect_t *paramEffect) {
@ -397,21 +385,13 @@ void Filter::Transform::Instance::video_render(gs_effect_t *paramEffect) {
// Update Mesh
if (m_isMeshUpdateRequired) {
double_t aspectRatioX = double_t(baseW) / double_t(baseH),
aspectRatioY = double_t(baseH) / double_t(baseW);
if (baseW > baseH) {
aspectRatioY = 1.0;
} else {
aspectRatioX = 1.0;
}
float_t aspectRatioX = float_t(baseW) / float_t(baseH);
if (m_isCameraOrthographic)
aspectRatioX = aspectRatioY = 1.0;
aspectRatioX = 1.0;
// Mesh
matrix4 ident;
matrix4_identity(&ident);
matrix4_scale3f(&ident, &ident, (float)aspectRatioX, (float)aspectRatioY, 1.0);
matrix4_scale(&ident, &ident, &m_scale);
switch (m_rotationOrder) {
case RotationOrder::XYZ: // XYZ
matrix4_rotate_aa4f(&ident, &ident, 1, 0, 0, m_rotation.x);
@ -446,43 +426,48 @@ void Filter::Transform::Instance::video_render(gs_effect_t *paramEffect) {
}
matrix4_translate3f(&ident, &ident, m_position.x, m_position.y, m_position.z);
/// Calculate vertex position once only.
float_t p_x = aspectRatioX * m_scale.x;
float_t p_y = 1.0f * m_scale.y;
/// Generate mesh
{
Helper::Vertex& v = m_vertexHelper->at(0);
GS::Vertex& v = m_vertexHelper->at(0);
v.uv[0].x = 0; v.uv[0].y = 0;
v.color = 0xFFFFFFFF;
v.position.x = -1.0;
v.position.y = -1.0;
v.position.x = -p_x;
v.position.y = -p_y;
v.position.z = 0.0f;
vec3_transform(&v.position, &v.position, &ident);
}
{
Helper::Vertex& v = m_vertexHelper->at(1);
GS::Vertex& v = m_vertexHelper->at(1);
v.uv[0].x = 1; v.uv[0].y = 0;
v.color = 0xFFFFFFFF;
v.position.x = 1.0;
v.position.y = -1.0;
v.position.x = p_x;
v.position.y = -p_y;
v.position.z = 0.0f;
vec3_transform(&v.position, &v.position, &ident);
}
{
Helper::Vertex& v = m_vertexHelper->at(2);
GS::Vertex& v = m_vertexHelper->at(2);
v.uv[0].x = 0; v.uv[0].y = 1;
v.color = 0xFFFFFFFF;
v.position.x = -1.0;
v.position.y = 1.0;
v.position.x = -p_x;
v.position.y = p_y;
v.position.z = 0.0f;
vec3_transform(&v.position, &v.position, &ident);
}
{
Helper::Vertex& v = m_vertexHelper->at(3);
GS::Vertex& v = m_vertexHelper->at(3);
v.uv[0].x = 1; v.uv[0].y = 1;
v.color = 0xFFFFFFFF;
v.position.x = 1.0;
v.position.y = 1.0;
v.position.x = p_x;
v.position.y = p_y;
v.position.z = 0.0f;
vec3_transform(&v.position, &v.position, &ident);
}
m_vertexBuffer = m_vertexHelper->update();
m_vertexBuffer = m_vertexHelper->get();
if (!m_vertexBuffer) {
obs_source_skip_video_filter(m_sourceContext);
return;
@ -518,7 +503,7 @@ void Filter::Transform::Instance::video_render(gs_effect_t *paramEffect) {
while (gs_effect_loop(alphaEffect, "Draw")) {
gs_effect_set_texture(
gs_effect_get_param_by_name(alphaEffect,
"image"), filterTexture);
"image"), filterTexture);
gs_load_vertexbuffer(m_vertexBuffer);
gs_load_indexbuffer(NULL);
gs_draw(GS_TRISTRIP, 0, 4);

4
source/filter-transform.h
View File

@ -59,14 +59,12 @@ namespace Filter {
uint32_t get_height();
void activate();
void deactivate();
void show();
void hide();
void video_tick(float);
void video_render(gs_effect_t*);
private:
obs_source_t *m_sourceContext;
Helper::VertexBuffer *m_vertexHelper;
GS::VertexBuffer *m_vertexHelper;
gs_vertbuffer_t *m_vertexBuffer;
gs_texrender_t *m_texRender, *m_shapeRender;