Exemplo n.º 1
0
static void stinger_video_render(void *data, gs_effect_t *effect)
{
	struct stinger_info *s = data;

	float t = obs_transition_get_time(s->source);
	bool use_a = t < s->transition_point;

	enum obs_transition_target target = use_a
		? OBS_TRANSITION_SOURCE_A
		: OBS_TRANSITION_SOURCE_B;

	if (!obs_transition_video_render_direct(s->source, target))
		return;

	/* --------------------- */

	float source_cx = (float)obs_source_get_width(s->source);
	float source_cy = (float)obs_source_get_height(s->source);
	uint32_t media_cx = obs_source_get_width(s->media_source);
	uint32_t media_cy = obs_source_get_height(s->media_source);

	if (!media_cx || !media_cy)
		return;

	float scale_x = source_cx / (float)media_cx;
	float scale_y = source_cy / (float)media_cy;

	gs_matrix_push();
	gs_matrix_scale3f(scale_x, scale_y, 1.0f);
	obs_source_video_render(s->media_source);
	gs_matrix_pop();

	UNUSED_PARAMETER(effect);
}
Exemplo n.º 2
0
void OBSBasicTransform::OnControlChanged()
{
	if (ignoreItemChange)
		return;

	obs_source_t *source = obs_sceneitem_get_source(item);
	double width  = double(obs_source_get_width(source));
	double height = double(obs_source_get_height(source));

	obs_transform_info oti;
	oti.pos.x            = float(ui->positionX->value());
	oti.pos.y            = float(ui->positionY->value());
	oti.rot              = float(ui->rotation->value());
	oti.scale.x          = float(ui->sizeX->value() / width);
	oti.scale.y          = float(ui->sizeY->value() / height);
	oti.alignment        = listToAlign[ui->align->currentIndex()];

	oti.bounds_type      = (obs_bounds_type)ui->boundsType->currentIndex();
	oti.bounds_alignment = listToAlign[ui->boundsAlign->currentIndex()];
	oti.bounds.x         = float(ui->boundsWidth->value());
	oti.bounds.y         = float(ui->boundsHeight->value());

	ignoreTransformSignal = true;
	obs_sceneitem_set_info(item, &oti);
	ignoreTransformSignal = false;
}
Exemplo n.º 3
0
void OBSBasicTransform::OnBoundsType(int index)
{
	if (index == -1)
		return;

	obs_bounds_type type   = (obs_bounds_type)index;
	bool            enable = (type != OBS_BOUNDS_NONE);

	ui->boundsAlign->setEnabled(enable);
	ui->boundsWidth->setEnabled(enable);
	ui->boundsHeight->setEnabled(enable);

	if (!ignoreItemChange) {
		obs_bounds_type lastType = obs_sceneitem_get_bounds_type(item);
		if (lastType == OBS_BOUNDS_NONE) {
			OBSSource source = obs_sceneitem_get_source(item);
			int width  = (int)obs_source_get_width(source);
			int height = (int)obs_source_get_height(source);

			ui->boundsWidth->setValue(width);
			ui->boundsHeight->setValue(height);
		}
	}

	OnControlChanged();
}
Exemplo n.º 4
0
void OBSBasicTransform::RefreshControls()
{
	if (!item)
		return;

	obs_transform_info osi;
	obs_sceneitem_get_info(item, &osi);

	obs_source_t *source = obs_sceneitem_get_source(item);
	float width  = float(obs_source_get_width(source));
	float height = float(obs_source_get_height(source));

	int alignIndex       = AlignToList(osi.alignment);
	int boundsAlignIndex = AlignToList(osi.bounds_alignment);

	ignoreItemChange = true;
	ui->positionX->setValue(osi.pos.x);
	ui->positionY->setValue(osi.pos.y);
	ui->rotation->setValue(osi.rot);
	ui->sizeX->setValue(osi.scale.x * width);
	ui->sizeY->setValue(osi.scale.y * height);
	ui->align->setCurrentIndex(alignIndex);

	ui->boundsType->setCurrentIndex(int(osi.bounds_type));
	ui->boundsAlign->setCurrentIndex(boundsAlignIndex);
	ui->boundsWidth->setValue(osi.bounds.x);
	ui->boundsHeight->setValue(osi.bounds.y);
	ignoreItemChange = false;
}
Exemplo n.º 5
0
static inline void render_item(struct obs_scene_item *item)
{
	if (item->crop_render) {
		uint32_t width  = obs_source_get_width(item->source);
		uint32_t height = obs_source_get_height(item->source);
		uint32_t cx = calc_cx(item, width);
		uint32_t cy = calc_cy(item, height);

		if (cx && cy && gs_texrender_begin(item->crop_render, cx, cy)) {
			float cx_scale = (float)width  / (float)cx;
			float cy_scale = (float)height / (float)cy;
			gs_matrix_scale3f(cx_scale, cy_scale, 1.0f);
			gs_matrix_translate3f(
					-(float)item->crop.left,
					-(float)item->crop.top,
					0.0f);

			obs_source_video_render(item->source);
			gs_texrender_end(item->crop_render);
		}
	}

	gs_matrix_push();
	gs_matrix_mul(&item->draw_transform);
	if (item->crop_render) {
		gs_texture_t *tex = gs_texrender_get_texture(item->crop_render);

		while (gs_effect_loop(obs->video.default_effect, "Draw"))
			obs_source_draw(tex, 0, 0, 0, 0, 0);
	} else {
		obs_source_video_render(item->source);
	}
	gs_matrix_pop();
}
Exemplo n.º 6
0
static inline bool source_size_changed(struct obs_scene_item *item)
{
	uint32_t width  = obs_source_get_width(item->source);
	uint32_t height = obs_source_get_height(item->source);

	return item->last_width != width || item->last_height != height;
}
Exemplo n.º 7
0
void OBSProjector::OBSRender(void *data, uint32_t cx, uint32_t cy)
{
	OBSProjector *window = reinterpret_cast<OBSProjector*>(data);

	if (!window->ready)
		return;

	OBSBasic *main = reinterpret_cast<OBSBasic*>(App()->GetMainWindow());
	OBSSource source = window->source;

	uint32_t targetCX;
	uint32_t targetCY;
	int      x, y;
	int      newCX, newCY;
	float    scale;

	if (source) {
		targetCX = std::max(obs_source_get_width(source), 1u);
		targetCY = std::max(obs_source_get_height(source), 1u);
	} else {
		struct obs_video_info ovi;
		obs_get_video_info(&ovi);
		targetCX = ovi.base_width;
		targetCY = ovi.base_height;
	}

	GetScaleAndCenterPos(targetCX, targetCY, cx, cy, x, y, scale);

	newCX = int(scale * float(targetCX));
	newCY = int(scale * float(targetCY));

	startRegion(x, y, newCX, newCY, 0.0f, float(targetCX), 0.0f,
			float(targetCY));

	if (window->type == ProjectorType::Preview &&
	    main->IsPreviewProgramMode()) {
		OBSSource curSource = main->GetCurrentSceneSource();

		if (source != curSource) {
			obs_source_dec_showing(source);
			obs_source_inc_showing(curSource);
			source = curSource;
			window->source = source;
		}
	}

	if (source)
		obs_source_video_render(source);
	else
		obs_render_main_texture();

	endRegion();
}
Exemplo n.º 8
0
/**
	Takes an OBS source and generates a JSON encoded string representing information about the source.
	
	@param source is the OBS source that we want to turn into json data
	@return json encoded string
*/
const char* obsSourceToJSON(obs_source_t *source)
{
	const char *name = obs_source_get_name(source);

	json_t *obj = json_object();
	json_object_set_new(obj, "name", json_string(name));
	json_object_set_new(obj, "width", json_integer(obs_source_get_width(source)));
	json_object_set_new(obj, "height", json_integer(obs_source_get_height(source)));
	const char *jsonString = json_dumps(obj, 0);
	free(obj);

	return jsonString;
}
Exemplo n.º 9
0
static void recalculate_transition_size(obs_source_t *transition)
{
    uint32_t cx = 0, cy = 0;
    obs_source_t *child;

    lock_transition(transition);

    for (size_t i = 0; i < 2; i++) {
        child = transition->transition_sources[i];
        if (child) {
            uint32_t new_cx = obs_source_get_width(child);
            uint32_t new_cy = obs_source_get_height(child);
            if (new_cx > cx) cx = new_cx;
            if (new_cy > cy) cy = new_cy;
        }
    }

    unlock_transition(transition);

    transition->transition_actual_cx = cx;
    transition->transition_actual_cy = cy;
}
Exemplo n.º 10
0
static void sharpness_render(void *data, gs_effect_t *effect)
{
	struct sharpness_data *filter = data;
	if (!filter) return;
	if (!obs_filter_get_target(filter->context)) return;

	obs_source_process_filter_begin(filter->context, GS_RGBA,
		OBS_ALLOW_DIRECT_RENDERING);

	filter->texwidth =(float)obs_source_get_width(
			obs_filter_get_target(filter->context));
	filter->texheight = (float)obs_source_get_height(
			obs_filter_get_target(filter->context));

	gs_effect_set_float(filter->sharpness_param, filter->sharpness);
	gs_effect_set_float(filter->texture_width, filter->texwidth);
	gs_effect_set_float(filter->texture_height, filter->texheight);

	obs_source_process_filter_end(filter->context, filter->effect, 0, 0);

	UNUSED_PARAMETER(effect);
}
Exemplo n.º 11
0
void OBSProjector::OBSRender(void *data, uint32_t cx, uint32_t cy)
{
	OBSProjector *window = reinterpret_cast<OBSProjector*>(data);

	uint32_t targetCX;
	uint32_t targetCY;
	int      x, y;
	int      newCX, newCY;
	float    scale;

	if (window->source) {
		targetCX = std::max(obs_source_get_width(window->source), 1u);
		targetCY = std::max(obs_source_get_height(window->source), 1u);
	} else {
		struct obs_video_info ovi;
		obs_get_video_info(&ovi);
		targetCX = ovi.base_width;
		targetCY = ovi.base_height;
	}

	GetScaleAndCenterPos(targetCX, targetCY, cx, cy, x, y, scale);

	newCX = int(scale * float(targetCX));
	newCY = int(scale * float(targetCY));

	gs_viewport_push();
	gs_projection_push();
	gs_ortho(0.0f, float(targetCX), 0.0f, float(targetCY), -100.0f, 100.0f);
	gs_set_viewport(x, y, newCX, newCY);

	if (window->source)
		obs_source_video_render(window->source);
	else
		obs_render_main_view();

	gs_projection_pop();
	gs_viewport_pop();
}
Exemplo n.º 12
0
static inline void render_item(struct obs_scene_item *item)
{
	if (item->item_render) {
		uint32_t width  = obs_source_get_width(item->source);
		uint32_t height = obs_source_get_height(item->source);
		uint32_t cx = calc_cx(item, width);
		uint32_t cy = calc_cy(item, height);

		if (cx && cy && gs_texrender_begin(item->item_render, cx, cy)) {
			float cx_scale = (float)width  / (float)cx;
			float cy_scale = (float)height / (float)cy;
			struct vec4 clear_color;

			vec4_zero(&clear_color);
			gs_clear(GS_CLEAR_COLOR, &clear_color, 0.0f, 0);
			gs_ortho(0.0f, (float)width, 0.0f, (float)height,
					-100.0f, 100.0f);

			gs_matrix_scale3f(cx_scale, cy_scale, 1.0f);
			gs_matrix_translate3f(
					-(float)item->crop.left,
					-(float)item->crop.top,
					0.0f);

			obs_source_video_render(item->source);
			gs_texrender_end(item->item_render);
		}
	}

	gs_matrix_push();
	gs_matrix_mul(&item->draw_transform);
	if (item->item_render) {
		render_item_texture(item);
	} else {
		obs_source_video_render(item->source);
	}
	gs_matrix_pop();
}
Exemplo n.º 13
0
void OBSProjector::OBSRenderMultiview(void *data, uint32_t cx, uint32_t cy)
{
	OBSProjector *window = (OBSProjector *)data;

	if (updatingMultiview || !window->ready)
		return;

	OBSBasic     *main   = (OBSBasic *)obs_frontend_get_main_window();
	uint32_t     targetCX, targetCY;
	int          x, y;
	float        scale;

	targetCX = (uint32_t)window->fw;
	targetCY = (uint32_t)window->fh;

	GetScaleAndCenterPos(targetCX, targetCY, cx, cy, x, y, scale);

	OBSSource previewSrc = main->GetCurrentSceneSource();
	OBSSource programSrc = main->GetProgramSource();
	bool studioMode = main->IsPreviewProgramMode();

	auto renderVB = [&](gs_vertbuffer_t *vb, int cx, int cy,
			uint32_t colorVal)
	{
		if (!vb)
			return;

		matrix4 transform;
		matrix4_identity(&transform);
		transform.x.x = cx;
		transform.y.y = cy;

		gs_load_vertexbuffer(vb);

		gs_matrix_push();
		gs_matrix_mul(&transform);

		gs_effect_set_color(window->color, colorVal);
		while (gs_effect_loop(window->solid, "Solid"))
			gs_draw(GS_LINESTRIP, 0, 0);

		gs_matrix_pop();
	};

	auto drawBox = [&](float cx, float cy, uint32_t colorVal)
	{
		gs_effect_set_color(window->color, colorVal);
		while (gs_effect_loop(window->solid, "Solid"))
			gs_draw_sprite(nullptr, 0, (uint32_t)cx, (uint32_t)cy);
	};

	auto setRegion = [&](float bx, float by, float cx,
			float cy)
	{
		float vX  = int(x + bx * scale);
		float vY  = int(y + by * scale);
		float vCX = int(cx * scale);
		float vCY = int(cy * scale);

		float oL = bx;
		float oT = by;
		float oR = (bx + cx);
		float oB = (by + cy);

		startRegion(vX, vY, vCX, vCY, oL, oR, oT, oB);
	};

	auto calcBaseSource = [&](size_t i)
	{
		switch (multiviewLayout) {
		case MultiviewLayout::HORIZONTAL_TOP_24_SCENES:
			window->sourceX = (i % 6) * window->scenesCX;
			window->sourceY = window->pvwprgCY +
					(i / 6) * window->scenesCY;
			break;
		case MultiviewLayout::VERTICAL_LEFT_8_SCENES:
			window->sourceX = window->pvwprgCX;
			window->sourceY = (i / 2 ) * window->scenesCY;
			if (i % 2 != 0)
				window->sourceX += window->scenesCX;
			break;
		case MultiviewLayout::VERTICAL_RIGHT_8_SCENES:
			window->sourceX = 0;
			window->sourceY = (i / 2 ) * window->scenesCY;
			if (i % 2 != 0)
				window->sourceX = window->scenesCX;
			break;
		case MultiviewLayout::HORIZONTAL_BOTTOM_8_SCENES:
			if (i < 4) {
				window->sourceX = (float(i) * window->scenesCX);
				window->sourceY = 0;
			} else {
				window->sourceX = (float(i - 4) *
						window->scenesCX);
				window->sourceY = window->scenesCY;
			}
			break;
		default: // MultiviewLayout::HORIZONTAL_TOP_8_SCENES:
			if (i < 4) {
				window->sourceX = (float(i) * window->scenesCX);
				window->sourceY = window->pvwprgCY;
			} else {
				window->sourceX = (float(i - 4) *
						window->scenesCX);
				window->sourceY = window->pvwprgCY +
						window->scenesCY;
			}
		}
		window->siX = window->sourceX + window->thickness;
		window->siY = window->sourceY + window->thickness;
	};

	auto calcPreviewProgram = [&](bool program)
	{
		switch (multiviewLayout) {
		case MultiviewLayout::HORIZONTAL_TOP_24_SCENES:
			window->sourceX = window->thickness +
					window->pvwprgCX / 2;
			window->sourceY = window->thickness;
			window->labelX = window->offset + window->pvwprgCX / 2;
			window->labelY = window->pvwprgCY * 0.85f;
			if (program) {
				window->sourceX += window->pvwprgCX;
				window->labelX += window->pvwprgCX;
			}
			break;
		case MultiviewLayout::VERTICAL_LEFT_8_SCENES:
			window->sourceX = window->thickness;
			window->sourceY = window->pvwprgCY + window->thickness;
			window->labelX = window->offset;
			window->labelY = window->pvwprgCY * 1.85f;
			if (program) {
				window->sourceY = window->thickness;
				window->labelY = window->pvwprgCY * 0.85f;
			}
			break;
		case MultiviewLayout::VERTICAL_RIGHT_8_SCENES:
			window->sourceX = window->pvwprgCX + window->thickness;
			window->sourceY = window->pvwprgCY + window->thickness;
			window->labelX = window->pvwprgCX + window->offset;
			window->labelY = window->pvwprgCY * 1.85f;
			if (program) {
				window->sourceY = window->thickness;
				window->labelY = window->pvwprgCY * 0.85f;
			}
			break;
		case MultiviewLayout::HORIZONTAL_BOTTOM_8_SCENES:
			window->sourceX = window->thickness;
			window->sourceY = window->pvwprgCY + window->thickness;
			window->labelX = window->offset;
			window->labelY = window->pvwprgCY * 1.85f;
			if (program) {
				window->sourceX += window->pvwprgCX;
				window->labelX += window->pvwprgCX;
			}
			break;
		default: // MultiviewLayout::HORIZONTAL_TOP_8_SCENES:
			window->sourceX = window->thickness;
			window->sourceY = window->thickness;
			window->labelX = window->offset;
			window->labelY = window->pvwprgCY * 0.85f;
			if (program) {
				window->sourceX += window->pvwprgCX;
				window->labelX += window->pvwprgCX;
			}
		}
	};

	auto paintAreaWithColor = [&](float tx, float ty, float cx, float cy,
			uint32_t color)
	{
		gs_matrix_push();
		gs_matrix_translate3f(tx, ty, 0.0f);
		drawBox(cx, cy, color);
		gs_matrix_pop();
	};

	// Define the whole usable region for the multiview
	startRegion(x, y, targetCX * scale, targetCY * scale, 0.0f, window->fw,
			0.0f, window->fh);

	// Change the background color to highlight all sources
	drawBox(window->fw, window->fh, outerColor);

	/* ----------------------------- */
	/* draw sources                  */

	for (size_t i = 0; i < maxSrcs; i++) {
		// Handle all the offsets
		calcBaseSource(i);

		if (i >= numSrcs) {
			// Just paint the background and continue
			paintAreaWithColor(window->sourceX, window->sourceY,
					window->scenesCX, window->scenesCY,
					outerColor);
			paintAreaWithColor(window->siX, window->siY,
					window->siCX, window->siCY,
					backgroundColor);
			continue;
		}

		OBSSource src = OBSGetStrongRef(window->multiviewScenes[i]);

		// We have a source. Now chose the proper highlight color
		uint32_t colorVal = outerColor;
		if (src == programSrc)
			colorVal = programColor;
		else if (src == previewSrc)
			colorVal = studioMode ? previewColor : programColor;

		// Paint the background
		paintAreaWithColor(window->sourceX, window->sourceY,
				window->scenesCX, window->scenesCY, colorVal);
		paintAreaWithColor(window->siX, window->siY, window->siCX,
				window->siCY, backgroundColor);

		/* ----------- */

		// Render the source
		gs_matrix_push();
		gs_matrix_translate3f(window->siX, window->siY, 0.0f);
		gs_matrix_scale3f(window->siScaleX, window->siScaleY, 1.0f);
		setRegion(window->siX, window->siY, window->siCX, window->siCY);
		obs_source_video_render(src);
		endRegion();
		gs_matrix_pop();

		/* ----------- */

		// Render the label
		if (!drawLabel)
			continue;

		obs_source *label = window->multiviewLabels[i + 2];
		if (!label)
			continue;

		window->offset = labelOffset(label, window->scenesCX);

		gs_matrix_push();
		gs_matrix_translate3f(window->sourceX + window->offset,
				(window->scenesCY * 0.85f) + window->sourceY,
				0.0f);
		gs_matrix_scale3f(window->ppiScaleX, window->ppiScaleY, 1.0f);
		drawBox(obs_source_get_width(label),
				obs_source_get_height(label) +
				int(window->sourceY * 0.015f), labelColor);
		obs_source_video_render(label);
		gs_matrix_pop();
	}

	/* ----------------------------- */
	/* draw preview                  */

	obs_source_t *previewLabel = window->multiviewLabels[0];
	window->offset = labelOffset(previewLabel, window->pvwprgCX);
	calcPreviewProgram(false);

	// Paint the background
	paintAreaWithColor(window->sourceX, window->sourceY, window->ppiCX,
			window->ppiCY, backgroundColor);

	// Scale and Draw the preview
	gs_matrix_push();
	gs_matrix_translate3f(window->sourceX, window->sourceY, 0.0f);
	gs_matrix_scale3f(window->ppiScaleX, window->ppiScaleY, 1.0f);
	setRegion(window->sourceX, window->sourceY, window->ppiCX,
			window->ppiCY);
	if (studioMode)
		obs_source_video_render(previewSrc);
	else
		obs_render_main_texture();
	if (drawSafeArea) {
		renderVB(window->actionSafeMargin, targetCX, targetCY,
				outerColor);
		renderVB(window->graphicsSafeMargin, targetCX, targetCY,
				outerColor);
		renderVB(window->fourByThreeSafeMargin, targetCX, targetCY,
				outerColor);
		renderVB(window->leftLine, targetCX, targetCY, outerColor);
		renderVB(window->topLine, targetCX, targetCY, outerColor);
		renderVB(window->rightLine, targetCX, targetCY, outerColor);
	}
	endRegion();
	gs_matrix_pop();

	/* ----------- */

	// Draw the Label
	if (drawLabel) {
		gs_matrix_push();
		gs_matrix_translate3f(window->labelX, window->labelY, 0.0f);
		gs_matrix_scale3f(window->ppiScaleX, window->ppiScaleY, 1.0f);
		drawBox(obs_source_get_width(previewLabel),
				obs_source_get_height(previewLabel) +
				int(window->pvwprgCX * 0.015f), labelColor);
		obs_source_video_render(previewLabel);
		gs_matrix_pop();
	}

	/* ----------------------------- */
	/* draw program                  */

	obs_source_t *programLabel = window->multiviewLabels[1];
	window->offset = labelOffset(programLabel, window->pvwprgCX);
	calcPreviewProgram(true);

	paintAreaWithColor(window->sourceX, window->sourceY, window->ppiCX,
		window->ppiCY, backgroundColor);

	// Scale and Draw the program
	gs_matrix_push();
	gs_matrix_translate3f(window->sourceX, window->sourceY, 0.0f);
	gs_matrix_scale3f(window->ppiScaleX, window->ppiScaleY, 1.0f);
	setRegion(window->sourceX, window->sourceY, window->ppiCX,
			window->ppiCY);
	obs_render_main_texture();
	endRegion();
	gs_matrix_pop();

	/* ----------- */

	// Draw the Label
	if (drawLabel) {
		gs_matrix_push();
		gs_matrix_translate3f(window->labelX, window->labelY, 0.0f);
		gs_matrix_scale3f(window->ppiScaleX, window->ppiScaleY, 1.0f);
		drawBox(obs_source_get_width(programLabel),
				obs_source_get_height(programLabel) +
				int(window->pvwprgCX * 0.015f), labelColor);
		obs_source_video_render(programLabel);
		gs_matrix_pop();
	}

	// Region for future usage with aditional info.
	if (multiviewLayout == MultiviewLayout::HORIZONTAL_TOP_24_SCENES) {
		// Just paint the background for now
		paintAreaWithColor(window->thickness, window->thickness,
				window->siCX, window->siCY * 2 +
				window->thicknessx2, backgroundColor);
		paintAreaWithColor(window->thickness + 2.5 * (
				window->thicknessx2 + window->ppiCX),
				window->thickness, window->siCX,
				window->siCY * 2 + window->thicknessx2,
				backgroundColor);
	}

	endRegion();
}
Exemplo n.º 14
0
static void update_item_transform(struct obs_scene_item *item)
{
	uint32_t        width         = obs_source_get_width(item->source);
	uint32_t        height        = obs_source_get_height(item->source);
	uint32_t        cx            = calc_cx(item, width);
	uint32_t        cy            = calc_cy(item, height);
	struct vec2     base_origin;
	struct vec2     origin;
	struct vec2     scale         = item->scale;
	struct calldata params;
	uint8_t         stack[128];

	if (os_atomic_load_long(&item->defer_update) > 0)
		return;

	width = cx;
	height = cy;

	vec2_zero(&base_origin);
	vec2_zero(&origin);

	/* ----------------------- */

	if (item->bounds_type != OBS_BOUNDS_NONE) {
		calculate_bounds_data(item, &origin, &scale, &cx, &cy);
	} else {
		cx = (uint32_t)((float)cx * scale.x);
		cy = (uint32_t)((float)cy * scale.y);
	}

	add_alignment(&origin, item->align, (int)cx, (int)cy);

	matrix4_identity(&item->draw_transform);
	matrix4_scale3f(&item->draw_transform, &item->draw_transform,
			scale.x, scale.y, 1.0f);
	matrix4_translate3f(&item->draw_transform, &item->draw_transform,
			-origin.x, -origin.y, 0.0f);
	matrix4_rotate_aa4f(&item->draw_transform, &item->draw_transform,
			0.0f, 0.0f, 1.0f, RAD(item->rot));
	matrix4_translate3f(&item->draw_transform, &item->draw_transform,
			item->pos.x, item->pos.y, 0.0f);

	item->output_scale = scale;

	/* ----------------------- */

	if (item->bounds_type != OBS_BOUNDS_NONE) {
		vec2_copy(&scale, &item->bounds);
	} else {
		scale.x = (float)width  * item->scale.x;
		scale.y = (float)height * item->scale.y;
	}

	add_alignment(&base_origin, item->align, (int)scale.x, (int)scale.y);

	matrix4_identity(&item->box_transform);
	matrix4_scale3f(&item->box_transform, &item->box_transform,
			scale.x, scale.y, 1.0f);
	matrix4_translate3f(&item->box_transform, &item->box_transform,
			-base_origin.x, -base_origin.y, 0.0f);
	matrix4_rotate_aa4f(&item->box_transform, &item->box_transform,
			0.0f, 0.0f, 1.0f, RAD(item->rot));
	matrix4_translate3f(&item->box_transform, &item->box_transform,
			item->pos.x, item->pos.y, 0.0f);

	/* ----------------------- */

	item->last_width  = width;
	item->last_height = height;

	calldata_init_fixed(&params, stack, sizeof(stack));
	calldata_set_ptr(&params, "scene", item->parent);
	calldata_set_ptr(&params, "item", item);
	signal_handler_signal(item->parent->source->context.signals,
			"item_transform", &params);
}
Exemplo n.º 15
0
static void recalculate_transition_matrix(obs_source_t *tr, size_t idx)
{
    obs_source_t *child;
    struct matrix4 mat;
    struct vec2 pos;
    struct vec2 scale;
    float tr_cx = (float)tr->transition_actual_cx;
    float tr_cy = (float)tr->transition_actual_cy;
    float source_cx;
    float source_cy;
    float tr_aspect = tr_cx / tr_cy;
    float source_aspect;
    enum obs_transition_scale_type scale_type = tr->transition_scale_type;

    lock_transition(tr);

    child = tr->transition_sources[idx];
    if (!child) {
        unlock_transition(tr);
        return;
    }

    source_cx = (float)obs_source_get_width(child);
    source_cy = (float)obs_source_get_height(child);
    unlock_transition(tr);

    if (source_cx == 0.0f || source_cy == 0.0f)
        return;

    source_aspect = source_cx / source_cy;

    if (scale_type == OBS_TRANSITION_SCALE_MAX_ONLY) {
        if (source_cx > tr_cx || source_cy > tr_cy) {
            scale_type = OBS_TRANSITION_SCALE_ASPECT;
        } else {
            scale.x = 1.0f;
            scale.y = 1.0f;
        }
    }

    if (scale_type == OBS_TRANSITION_SCALE_ASPECT) {
        bool use_width = tr_aspect < source_aspect;
        scale.x = scale.y = use_width ?
                            tr_cx / source_cx :
                            tr_cy / source_cy;

    } else if (scale_type == OBS_TRANSITION_SCALE_STRETCH) {
        scale.x = tr_cx / source_cx;
        scale.y = tr_cy / source_cy;
    }

    source_cx *= scale.x;
    source_cy *= scale.y;

    vec2_zero(&pos);
    add_alignment(&pos, tr->transition_alignment,
                  (int)(tr_cx - source_cx),
                  (int)(tr_cy - source_cy));

    matrix4_identity(&mat);
    matrix4_scale3f(&mat, &mat, scale.x, scale.y, 1.0f);
    matrix4_translate3f(&mat, &mat, pos.x, pos.y, 0.0f);
    matrix4_copy(&tr->transition_matrices[idx], &mat);
}