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filter-transform: Add Field Of View property

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This commit is contained in:
Michael Fabian Dirks 2017-06-29 07:12:41 +02:00
parent b202303fe5
commit bffa1e704e
2 changed files with 40 additions and 6 deletions
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44
source/filter-transform.cpp
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@ -61,6 +61,7 @@ const char* Filter::Transform::get_name(void *) {
void Filter::Transform::get_defaults(obs_data_t *data) {
obs_data_set_default_int(data, P_FILTER_TRANSFORM_CAMERA, 0);
obs_data_set_default_double(data, P_FILTER_TRANSFORM_CAMERA_FIELDOFVIEW, 90.0);
obs_data_set_default_double(data, P_FILTER_TRANSFORM_POSITION_X, 0);
obs_data_set_default_double(data, P_FILTER_TRANSFORM_POSITION_Y, 0);
obs_data_set_default_double(data, P_FILTER_TRANSFORM_POSITION_Z, -100.0);
@ -82,6 +83,10 @@ obs_properties_t * Filter::Transform::get_properties(void *) {
obs_property_list_add_int(p, P_TRANSLATE(P_FILTER_TRANSFORM_CAMERA_ORTHOGRAPHIC), 0);
obs_property_list_add_int(p, P_TRANSLATE(P_FILTER_TRANSFORM_CAMERA_PERSPECTIVE), 1);
p = obs_properties_add_float_slider(pr, P_FILTER_TRANSFORM_CAMERA_FIELDOFVIEW, P_TRANSLATE(P_FILTER_TRANSFORM_CAMERA_FIELDOFVIEW),
1.0, 180.0, 0.01);
obs_property_set_long_description(p, P_TRANSLATE(P_DESC(P_FILTER_TRANSFORM_CAMERA_FIELDOFVIEW)));
{
std::pair<const char*, const char*> entries[] = {
std::make_pair(P_FILTER_TRANSFORM_POSITION_X, P_DESC(P_FILTER_TRANSFORM_POSITION_X)),
@ -123,6 +128,21 @@ obs_properties_t * Filter::Transform::get_properties(void *) {
return pr;
}
bool Filter::Transform::modified_properties(obs_properties_t *pr, obs_property_t *, obs_data_t *d) {
switch (obs_data_get_int(d, P_FILTER_TRANSFORM_CAMERA)) {
case 0:
obs_property_set_visible(obs_properties_get(pr, P_FILTER_TRANSFORM_CAMERA_FIELDOFVIEW), false);
obs_property_set_visible(obs_properties_get(pr, P_FILTER_TRANSFORM_POSITION_Z), false);
break;
case 1:
obs_property_set_visible(obs_properties_get(pr, P_FILTER_TRANSFORM_CAMERA_FIELDOFVIEW), true);
obs_property_set_visible(obs_properties_get(pr, P_FILTER_TRANSFORM_POSITION_Z), true);
break;
}
return false;
}
void * Filter::Transform::create(obs_data_t *data, obs_source_t *source) {
return new Instance(data, source);
}
@ -171,7 +191,7 @@ Filter::Transform::Instance::Instance(obs_data_t *data, obs_source_t *context)
: context(context) {
obs_enter_graphics();
m_texRender = gs_texrender_create(GS_RGBA, GS_ZS_NONE);
m_shapeRender = gs_texrender_create(GS_RGBA, GS_Z32F);
m_shapeRender = gs_texrender_create(GS_RGBA, GS_ZS_NONE);
m_vertexHelper = new Helper::VertexBuffer(4);
m_vertexHelper->set_uv_layers(1);
m_vertexHelper->resize(4);
@ -199,6 +219,7 @@ void Filter::Transform::Instance::update(obs_data_t *data) {
scale.y = (float)obs_data_get_double(data, P_FILTER_TRANSFORM_SCALE_Y) / 100.0f;
scale.z = 1.0;
m_isOrthographic = obs_data_get_int(data, P_FILTER_TRANSFORM_CAMERA) == 0;
fov = (float)obs_data_get_double(data, P_FILTER_TRANSFORM_CAMERA_FIELDOFVIEW);
// Matrix
matrix4 ident;
@ -302,7 +323,7 @@ void Filter::Transform::Instance::hide() {}
void Filter::Transform::Instance::video_tick(float) {}
void Filter::Transform::Instance::video_render(gs_effect_t *) {
void Filter::Transform::Instance::video_render(gs_effect_t *paramEffect) {
obs_source_t *parent = obs_filter_get_parent(context);
obs_source_t *target = obs_filter_get_target(context);
@ -327,14 +348,19 @@ void Filter::Transform::Instance::video_render(gs_effect_t *) {
vec4_zero(&black);
gs_clear(GS_CLEAR_COLOR | GS_CLEAR_DEPTH, &black, 0, 0);
gs_set_cull_mode(GS_NEITHER);
gs_enable_blending(false);
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);
if (obs_source_process_filter_begin(context, GS_RGBA, OBS_NO_DIRECT_RENDERING)) {
obs_source_process_filter_end(context, alphaEffect, baseW, baseH);
obs_source_process_filter_end(context, paramEffect ? paramEffect : alphaEffect, baseW, baseH);
} else {
obs_source_skip_video_filter(context);
}
@ -354,8 +380,14 @@ void Filter::Transform::Instance::video_render(gs_effect_t *) {
-0.5, 0.5,
-farZ, farZ);
} else {
gs_perspective(PI * (90.0f / 180.0f),
(float)baseW / (float)baseH, nearZ, farZ);
float aspect = (float)baseW / (float)baseH;
gs_perspective(fov, aspect, nearZ, farZ);
//if (baseW > baseH) {
// gs_matrix_scale3f(1.0, (float)baseH / (float)baseW, 1.0);
//} else if (baseH > baseW) {
// gs_matrix_scale3f((float)baseW / (float)baseH, 1.0, 1.0);
//}
}
// Rendering

2
source/filter-transform.h
View file

@ -25,6 +25,7 @@
#define P_FILTER_TRANSFORM_CAMERA "Filter.Transform.Camera"
#define P_FILTER_TRANSFORM_CAMERA_ORTHOGRAPHIC "Filter.Transform.Camera.Orthographic"
#define P_FILTER_TRANSFORM_CAMERA_PERSPECTIVE "Filter.Transform.Camera.Perspective"
#define P_FILTER_TRANSFORM_CAMERA_FIELDOFVIEW "Filter.Transform.Camera.FieldOfView"
#define P_FILTER_TRANSFORM_POSITION "Filter.Transform.Position"
#define P_FILTER_TRANSFORM_POSITION_X "Filter.Transform.Position.X"
#define P_FILTER_TRANSFORM_POSITION_Y "Filter.Transform.Position.Y"
@ -53,6 +54,7 @@ namespace Filter {
static const char *get_name(void *);
static void get_defaults(obs_data_t *);
static obs_properties_t *get_properties(void *);
static bool modified_properties(obs_properties_t *, obs_property_t *, obs_data_t *);
static void *create(obs_data_t *, obs_source_t *);
static void destroy(void *);