3770a24e61
Scissor rects would affect the internal effect rendering of sources, so scissor rectangles aren't the ideal method of restricting draw space. Instead, use viewports and projection matrices, which are automatically accounted for by internal source handling.
641 lines
15 KiB
C++
641 lines
15 KiB
C++
#include <QAction>
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#include <QGuiApplication>
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#include <QMouseEvent>
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#include <QMenu>
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#include <QScreen>
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#include "window-projector.hpp"
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#include "display-helpers.hpp"
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#include "qt-wrappers.hpp"
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#include "platform.hpp"
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static QList<OBSProjector *> multiviewProjectors;
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static bool updatingMultiview = false;
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OBSProjector::OBSProjector(QWidget *widget, obs_source_t *source_, bool window)
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: OBSQTDisplay (widget,
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Qt::Window),
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source (source_),
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removedSignal (obs_source_get_signal_handler(source),
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"remove", OBSSourceRemoved, this)
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{
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if (!window) {
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setWindowFlags(Qt::FramelessWindowHint |
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Qt::X11BypassWindowManagerHint);
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}
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setAttribute(Qt::WA_DeleteOnClose, true);
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//disable application quit when last window closed
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setAttribute(Qt::WA_QuitOnClose, false);
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installEventFilter(CreateShortcutFilter());
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auto addDrawCallback = [this] ()
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{
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bool isMultiview = type == ProjectorType::Multiview;
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obs_display_add_draw_callback(GetDisplay(),
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isMultiview ? OBSRenderMultiview : OBSRender,
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this);
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obs_display_set_background_color(GetDisplay(), 0x000000);
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};
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connect(this, &OBSQTDisplay::DisplayCreated, addDrawCallback);
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bool hideCursor = config_get_bool(GetGlobalConfig(),
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"BasicWindow", "HideProjectorCursor");
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if (hideCursor && !window) {
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QPixmap empty(16, 16);
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empty.fill(Qt::transparent);
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setCursor(QCursor(empty));
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}
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App()->IncrementSleepInhibition();
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resize(480, 270);
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}
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OBSProjector::~OBSProjector()
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{
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bool isMultiview = type == ProjectorType::Multiview;
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obs_display_remove_draw_callback(GetDisplay(),
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isMultiview ? OBSRenderMultiview : OBSRender, this);
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if (source)
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obs_source_dec_showing(source);
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if (isMultiview) {
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for (OBSWeakSource &weakSrc : multiviewScenes) {
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OBSSource src = OBSGetStrongRef(weakSrc);
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if (src)
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obs_source_dec_showing(src);
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}
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obs_enter_graphics();
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gs_vertexbuffer_destroy(outerBox);
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gs_vertexbuffer_destroy(innerBox);
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gs_vertexbuffer_destroy(leftVLine);
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gs_vertexbuffer_destroy(rightVLine);
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gs_vertexbuffer_destroy(leftLine);
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gs_vertexbuffer_destroy(topLine);
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gs_vertexbuffer_destroy(rightLine);
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obs_leave_graphics();
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}
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if (type == ProjectorType::Multiview)
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multiviewProjectors.removeAll(this);
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App()->DecrementSleepInhibition();
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}
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static OBSSource CreateLabel(const char *name, size_t h)
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{
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obs_data_t *settings = obs_data_create();
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obs_data_t *font = obs_data_create();
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std::string text;
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text += " ";
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text += name;
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text += " ";
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#if defined(_WIN32)
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obs_data_set_string(font, "face", "Arial");
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#elif defined(__APPLE__)
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obs_data_set_string(font, "face", "Helvetica");
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#else
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obs_data_set_string(font, "face", "Monospace");
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#endif
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obs_data_set_int(font, "flags", 0);
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obs_data_set_int(font, "size", int(h / 9.81));
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obs_data_set_obj(settings, "font", font);
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obs_data_set_string(settings, "text", text.c_str());
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obs_data_set_bool(settings, "outline", true);
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OBSSource txtSource = obs_source_create_private("text_ft2_source", name,
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settings);
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obs_source_release(txtSource);
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obs_data_release(font);
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obs_data_release(settings);
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return txtSource;
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}
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void OBSProjector::Init(int monitor, bool window, QString title,
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ProjectorType type_)
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{
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QScreen *screen = QGuiApplication::screens()[monitor];
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if (!window)
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setGeometry(screen->geometry());
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bool alwaysOnTop = config_get_bool(GetGlobalConfig(),
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"BasicWindow", "ProjectorAlwaysOnTop");
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if (alwaysOnTop && !window)
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SetAlwaysOnTop(this, true);
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if (window)
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setWindowTitle(title);
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show();
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if (source)
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obs_source_inc_showing(source);
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if (!window) {
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QAction *action = new QAction(this);
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action->setShortcut(Qt::Key_Escape);
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addAction(action);
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connect(action, SIGNAL(triggered()), this,
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SLOT(EscapeTriggered()));
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activateWindow();
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}
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savedMonitor = monitor;
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isWindow = window;
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type = type_;
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if (type == ProjectorType::Multiview) {
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obs_enter_graphics();
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gs_render_start(true);
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gs_vertex2f(0.001f, 0.001f);
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gs_vertex2f(0.001f, 0.997f);
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gs_vertex2f(0.997f, 0.997f);
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gs_vertex2f(0.997f, 0.001f);
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gs_vertex2f(0.001f, 0.001f);
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outerBox = gs_render_save();
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gs_render_start(true);
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gs_vertex2f(0.04f, 0.04f);
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gs_vertex2f(0.04f, 0.96f);
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gs_vertex2f(0.96f, 0.96f);
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gs_vertex2f(0.96f, 0.04f);
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gs_vertex2f(0.04f, 0.04f);
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innerBox = gs_render_save();
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gs_render_start(true);
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gs_vertex2f(0.15f, 0.04f);
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gs_vertex2f(0.15f, 0.96f);
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leftVLine = gs_render_save();
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gs_render_start(true);
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gs_vertex2f(0.85f, 0.04f);
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gs_vertex2f(0.85f, 0.96f);
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rightVLine = gs_render_save();
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gs_render_start(true);
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gs_vertex2f(0.0f, 0.5f);
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gs_vertex2f(0.075f, 0.5f);
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leftLine = gs_render_save();
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gs_render_start(true);
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gs_vertex2f(0.5f, 0.0f);
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gs_vertex2f(0.5f, 0.09f);
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topLine = gs_render_save();
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gs_render_start(true);
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gs_vertex2f(0.925f, 0.5f);
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gs_vertex2f(1.0f, 0.5f);
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rightLine = gs_render_save();
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obs_leave_graphics();
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UpdateMultiview();
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multiviewProjectors.push_back(this);
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}
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ready = true;
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}
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static inline void renderVB(gs_effect_t *effect, gs_vertbuffer_t *vb,
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int cx, int cy)
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{
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if (!vb)
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return;
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matrix4 transform;
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matrix4_identity(&transform);
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transform.x.x = cx;
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transform.y.y = cy;
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gs_load_vertexbuffer(vb);
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gs_matrix_push();
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gs_matrix_mul(&transform);
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while (gs_effect_loop(effect, "Solid"))
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gs_draw(GS_LINESTRIP, 0, 0);
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gs_matrix_pop();
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}
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static inline uint32_t labelOffset(obs_source_t *label, uint32_t cx)
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{
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uint32_t w = obs_source_get_width(label);
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w = uint32_t(float(w) * 0.5f);
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return (cx / 2) - w;
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}
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void OBSProjector::OBSRenderMultiview(void *data, uint32_t cx, uint32_t cy)
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{
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OBSProjector *window = (OBSProjector *)data;
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if (updatingMultiview || !window->ready)
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return;
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OBSBasic *main = (OBSBasic *)obs_frontend_get_main_window();
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uint32_t targetCX, targetCY;
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int x, y;
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float fX, fY, halfCX, halfCY, sourceX, sourceY,
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quarterCX, quarterCY, scale, targetCXF, targetCYF,
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hiCX, hiCY, qiX, qiY, qiCX, qiCY,
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hiScaleX, hiScaleY, qiScaleX, qiScaleY;
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uint32_t offset;
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gs_effect_t *solid = obs_get_base_effect(OBS_EFFECT_SOLID);
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gs_eparam_t *color = gs_effect_get_param_by_name(solid, "color");
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struct obs_video_info ovi;
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obs_get_video_info(&ovi);
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targetCX = ovi.base_width;
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targetCY = ovi.base_height;
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GetScaleAndCenterPos(targetCX, targetCY, cx, cy, x, y, scale);
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targetCXF = float(targetCX);
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targetCYF = float(targetCY);
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fX = float(x);
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fY = float(y);
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halfCX = (targetCXF + 1) / 2;
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halfCY = (targetCYF + 1) / 2;
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hiCX = (halfCX - 4.0);
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hiCY = (halfCY - 4.0);
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hiScaleX = hiCX / targetCXF;
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hiScaleY = hiCY / targetCYF;
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quarterCX = (halfCX + 1) / 2;
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quarterCY = (halfCY + 1) / 2;
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qiCX = (quarterCX - 8.0);
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qiCY = (quarterCY - 8.0);
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qiScaleX = qiCX / targetCXF;
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qiScaleY = qiCY / targetCYF;
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OBSSource previewSrc = main->GetCurrentSceneSource();
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OBSSource programSrc = main->GetProgramSource();
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bool studioMode = main->IsPreviewProgramMode();
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auto drawBox = [solid, color] (float cx, float cy,
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uint32_t colorVal)
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{
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gs_effect_set_color(color, colorVal);
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while (gs_effect_loop(solid, "Solid"))
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gs_draw_sprite(nullptr, 0, (uint32_t)cx, (uint32_t)cy);
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};
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auto setRegion = [fX, fY, scale] (float x, float y, float cx, float cy)
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{
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float vX = int(fX + x * scale);
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float vY = int(fY + y * scale);
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float vCX = int(cx * scale);
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float vCY = int(cy * scale);
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float oL = x;
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float oT = y;
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float oR = (x + cx);
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float oB = (y + cy);
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gs_projection_push();
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gs_viewport_push();
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gs_set_viewport(vX, vY, vCX, vCY);
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gs_ortho(oL, oR, oT, oB, -100.0f, 100.0f);
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};
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auto resetRegion = [] ()
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{
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gs_viewport_pop();
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gs_projection_pop();
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};
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/* ----------------------------- */
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/* draw sources */
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gs_projection_push();
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gs_viewport_push();
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gs_set_viewport(x, y, targetCX * scale, targetCY * scale);
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gs_ortho(0.0f, targetCXF, 0.0f, targetCYF, -100.0f, 100.0f);
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for (size_t i = 0; i < 8; i++) {
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OBSSource src = OBSGetStrongRef(window->multiviewScenes[i]);
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obs_source *label = window->multiviewLabels[i + 2];
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if (!src)
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continue;
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if (!label)
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continue;
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if (i < 4) {
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sourceX = (float(i) * quarterCX);
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sourceY = halfCY;
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} else {
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sourceX = (float(i - 4) * quarterCX);
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sourceY = halfCY + quarterCY;
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}
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qiX = sourceX + 4.0f;
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qiY = sourceY + 4.0f;
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/* ----------- */
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if (src == previewSrc || src == programSrc) {
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uint32_t colorVal = src == programSrc
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? 0xFFFF0000
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: 0xFF00FF00;
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gs_matrix_push();
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gs_matrix_translate3f(sourceX, sourceY, 0.0f);
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drawBox(quarterCX, quarterCY, colorVal);
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gs_matrix_pop();
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gs_matrix_push();
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gs_matrix_translate3f(qiX, qiY, 0.0f);
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drawBox(qiCX, qiCY, 0xFF000000);
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gs_matrix_pop();
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}
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/* ----------- */
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gs_matrix_push();
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gs_matrix_translate3f(qiX, qiY, 0.0f);
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gs_matrix_scale3f(qiScaleX, qiScaleY, 1.0f);
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setRegion(qiX, qiY, qiCX, qiCY);
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obs_source_video_render(src);
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resetRegion();
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gs_effect_set_color(color, 0xFFFFFFFF);
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renderVB(solid, window->outerBox, targetCX, targetCY);
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gs_matrix_pop();
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/* ----------- */
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offset = labelOffset(label, quarterCX);
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cx = obs_source_get_width(label);
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cy = obs_source_get_height(label);
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gs_matrix_push();
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gs_matrix_translate3f(sourceX + offset,
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(quarterCY * 0.8f) + sourceY, 0.0f);
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drawBox(cx, cy + int(quarterCX * 0.015f), 0xD91F1F1F);
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obs_source_video_render(label);
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gs_matrix_pop();
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}
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gs_effect_set_color(color, 0xFFFFFFFF);
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/* ----------------------------- */
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/* draw preview */
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gs_matrix_push();
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gs_matrix_translate3f(2.0f, 2.0f, 0.0f);
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gs_matrix_scale3f(hiScaleX, hiScaleY, 1.0f);
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setRegion(2.0f, 2.0f, hiCX, hiCY);
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if (studioMode) {
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obs_source_video_render(previewSrc);
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} else {
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obs_render_main_view();
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}
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resetRegion();
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gs_matrix_pop();
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/* ----------- */
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gs_matrix_push();
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gs_matrix_scale3f(0.5f, 0.5f, 1.0f);
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renderVB(solid, window->outerBox, targetCX, targetCY);
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renderVB(solid, window->innerBox, targetCX, targetCY);
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renderVB(solid, window->leftVLine, targetCX, targetCY);
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renderVB(solid, window->rightVLine, targetCX, targetCY);
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renderVB(solid, window->leftLine, targetCX, targetCY);
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renderVB(solid, window->topLine, targetCX, targetCY);
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renderVB(solid, window->rightLine, targetCX, targetCY);
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gs_matrix_pop();
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/* ----------- */
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obs_source_t *previewLabel = window->multiviewLabels[0];
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offset = labelOffset(previewLabel, halfCX);
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cx = obs_source_get_width(previewLabel);
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cy = obs_source_get_height(previewLabel);
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gs_matrix_push();
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gs_matrix_translate3f(offset, (halfCY * 0.8f), 0.0f);
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drawBox(cx, cy + int(halfCX * 0.015f), 0xD91F1F1F);
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obs_source_video_render(previewLabel);
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gs_matrix_pop();
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/* ----------------------------- */
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/* draw program */
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gs_matrix_push();
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gs_matrix_translate3f(halfCX + 2.0, 2.0f, 0.0f);
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gs_matrix_scale3f(hiScaleX, hiScaleY, 1.0f);
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setRegion(halfCX + 2.0f, 2.0f, hiCX, hiCY);
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obs_render_main_view();
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resetRegion();
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gs_matrix_pop();
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/* ----------- */
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gs_matrix_push();
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gs_matrix_translate3f(halfCX, 0.0f, 0.0f);
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gs_matrix_scale3f(0.5f, 0.5f, 1.0f);
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renderVB(solid, window->outerBox, targetCX, targetCY);
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gs_matrix_pop();
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/* ----------- */
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obs_source_t *programLabel = window->multiviewLabels[1];
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offset = labelOffset(programLabel, halfCX);
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cx = obs_source_get_width(programLabel);
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cy = obs_source_get_height(programLabel);
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gs_matrix_push();
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gs_matrix_translate3f(halfCX + offset, (halfCY * 0.8f), 0.0f);
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drawBox(cx, cy + int(halfCX * 0.015f), 0xD91F1F1F);
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obs_source_video_render(programLabel);
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gs_matrix_pop();
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/* ----------------------------- */
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gs_viewport_pop();
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gs_projection_pop();
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}
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void OBSProjector::OBSRender(void *data, uint32_t cx, uint32_t cy)
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{
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OBSProjector *window = reinterpret_cast<OBSProjector*>(data);
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if (!window->ready)
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return;
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OBSBasic *main = reinterpret_cast<OBSBasic*>(App()->GetMainWindow());
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uint32_t targetCX;
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uint32_t targetCY;
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int x, y;
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int newCX, newCY;
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float scale;
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if (window->source) {
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targetCX = std::max(obs_source_get_width(window->source), 1u);
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targetCY = std::max(obs_source_get_height(window->source), 1u);
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} else {
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struct obs_video_info ovi;
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obs_get_video_info(&ovi);
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targetCX = ovi.base_width;
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targetCY = ovi.base_height;
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}
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GetScaleAndCenterPos(targetCX, targetCY, cx, cy, x, y, scale);
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newCX = int(scale * float(targetCX));
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newCY = int(scale * float(targetCY));
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gs_viewport_push();
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gs_projection_push();
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gs_ortho(0.0f, float(targetCX), 0.0f, float(targetCY), -100.0f, 100.0f);
|
|
gs_set_viewport(x, y, newCX, newCY);
|
|
|
|
OBSSource source = window->source;
|
|
|
|
if (window->type == ProjectorType::Preview &&
|
|
main->IsPreviewProgramMode()) {
|
|
OBSSource curSource = main->GetCurrentSceneSource();
|
|
|
|
if (window->source != curSource) {
|
|
obs_source_dec_showing(window->source);
|
|
obs_source_inc_showing(curSource);
|
|
source = curSource;
|
|
}
|
|
}
|
|
|
|
if (source) {
|
|
obs_source_video_render(source);
|
|
} else {
|
|
obs_render_main_view();
|
|
}
|
|
|
|
gs_projection_pop();
|
|
gs_viewport_pop();
|
|
}
|
|
|
|
void OBSProjector::OBSSourceRemoved(void *data, calldata_t *params)
|
|
{
|
|
OBSProjector *window = reinterpret_cast<OBSProjector*>(data);
|
|
|
|
window->deleteLater();
|
|
|
|
UNUSED_PARAMETER(params);
|
|
}
|
|
|
|
void OBSProjector::mousePressEvent(QMouseEvent *event)
|
|
{
|
|
OBSQTDisplay::mousePressEvent(event);
|
|
|
|
if (event->button() == Qt::RightButton) {
|
|
QMenu popup(this);
|
|
popup.addAction(QTStr("Close"), this, SLOT(EscapeTriggered()));
|
|
popup.exec(QCursor::pos());
|
|
}
|
|
}
|
|
|
|
void OBSProjector::EscapeTriggered()
|
|
{
|
|
if (!isWindow) {
|
|
OBSBasic *main = (OBSBasic*)obs_frontend_get_main_window();
|
|
main->RemoveSavedProjectors(savedMonitor);
|
|
}
|
|
|
|
deleteLater();
|
|
}
|
|
|
|
void OBSProjector::UpdateMultiview()
|
|
{
|
|
for (OBSWeakSource &val : multiviewScenes)
|
|
val = nullptr;
|
|
for (OBSSource &val : multiviewLabels)
|
|
val = nullptr;
|
|
|
|
struct obs_video_info ovi;
|
|
obs_get_video_info(&ovi);
|
|
|
|
uint32_t h = ovi.base_height;
|
|
|
|
struct obs_frontend_source_list scenes = {};
|
|
obs_frontend_get_scenes(&scenes);
|
|
|
|
int curIdx = 0;
|
|
|
|
multiviewLabels[0] = CreateLabel(Str("StudioMode.Preview"), h / 2);
|
|
multiviewLabels[1] = CreateLabel(Str("StudioMode.Program"), h / 2);
|
|
|
|
for (size_t i = 0; i < scenes.sources.num && curIdx < 8; i++) {
|
|
obs_source_t *src = scenes.sources.array[i];
|
|
OBSData data = obs_source_get_private_settings(src);
|
|
obs_data_release(data);
|
|
|
|
obs_data_set_default_bool(data, "show_in_multiview", true);
|
|
if (!obs_data_get_bool(data, "show_in_multiview"))
|
|
continue;
|
|
|
|
multiviewScenes[curIdx] = OBSGetWeakRef(src);
|
|
obs_source_inc_showing(src);
|
|
|
|
std::string name;
|
|
name += std::to_string(curIdx + 1);
|
|
name += " - ";
|
|
name += obs_source_get_name(src);
|
|
|
|
if (name.size() > 15)
|
|
name.resize(15);
|
|
|
|
multiviewLabels[curIdx + 2] = CreateLabel(name.c_str(), h / 4);
|
|
|
|
curIdx++;
|
|
}
|
|
|
|
obs_frontend_source_list_free(&scenes);
|
|
}
|
|
|
|
void OBSProjector::UpdateMultiviewProjectors()
|
|
{
|
|
obs_enter_graphics();
|
|
updatingMultiview = true;
|
|
obs_leave_graphics();
|
|
|
|
for (auto &projector : multiviewProjectors)
|
|
projector->UpdateMultiview();
|
|
|
|
obs_enter_graphics();
|
|
updatingMultiview = false;
|
|
obs_leave_graphics();
|
|
}
|