87 lines
3.3 KiB
C
87 lines
3.3 KiB
C
// hello ui: config, window, system, ui, video
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// - rlyeh, public domain.
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//
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// Compile with:
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// `make demos\00-ui.c` (windows)
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// `sh MAKE.bat demos/00-ui.c` (linux, osx)
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#include "v4k.h"
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int main() {
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float app_volume = 1.00f;
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unsigned app_size = flag("--fullscreen") ? 100 : 75;
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unsigned app_flags = flag("--msaa") ? WINDOW_MSAA4 : 0;
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unsigned app_target_fps = optioni("--fps", 60); // --fps=30, --fps=45, etc. defaults to 60.
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// window api (fullscreen or 75% sized, optional MSAA flags)
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window_create(app_size, app_flags);
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window_title(__FILE__);
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window_fps_lock(app_target_fps);
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// load video
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video_t *v = video( "pexels-pachon-in-motion-17486489.mp4", VIDEO_RGB );
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// app loop
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while( window_swap() ) {
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// input controls
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if( input(KEY_ESC) ) break;
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// profile api
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texture_t *textures;
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profile( "Video decoder" ) {
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// video api: decode frame and get associated textures (audio is sent to audiomixer automatically)
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textures = video_decode( v );
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// fullscreen video
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// if(video_is_rgb(v)) fullscreen_quad_rgb( textures[0], 1.3f );
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// else fullscreen_quad_ycbcr( textures, 1.3f );
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}
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// create menubar on top
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int choice1 = ui_menu("File;Shell;Exit");
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int choice2 = ui_menu("Help;About");
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if( choice1 == 1 ) system(ifdef(win32, "start \"\" cmd", ifdef(osx, "open sh", "xdg-open sh")));
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if( choice1 == 2 ) exit(0);
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// showcase a few ui widgets
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ui_demo(0);
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// create ui panel
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if( ui_panel("myPanel", PANEL_OPEN) ) {
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// Print some numbers
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ui_section("Stats");
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ui_label2("FPS", va("%5.2f", window_fps()));
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ui_separator();
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// add some buttons
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ui_section("Buttons");
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if( ui_button("Screenshot") ) window_screenshot(__FILE__ ".png"), ui_notify(0,ICON_MD_WARNING "Screenshot");
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if( ui_button("Record Video") ) window_record(__FILE__ ".mp4"), ui_notify(0,ICON_MD_WARNING "Recoding video");
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if( ui_button("Toggle fullscreen") ) window_fullscreen( !window_has_fullscreen() );
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ui_separator();
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// some more video controls
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ui_section("Video");
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if( ui_button("Rewind") ) video_seek(v, video_position(v) - 3);
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if( ui_button("Pause") ) video_pause(v, video_is_paused(v) ^ 1);
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if( ui_button("Forward") ) video_seek(v, video_position(v) + 3);
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if( ui_slider2("Volume", &app_volume, va("%.2f", app_volume))) audio_volume_master(app_volume);
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// end of panel. must be enclosed within same if() branch.
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ui_panel_end();
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}
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// create window
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static int open = 1;
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if( ui_window("myWindow", &open) ) {
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// present decoded texture in a widget, without any label (NULL)
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ui_texture( NULL, textures[0] );
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// end of window. must be enclosed within same if() branch.
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ui_window_end();
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}
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}
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}
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// this demo supersedes following old sources:
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// https://github.com/r-lyeh/V4K/blob/45e34d7890b2b8fe1f4994f4b76e496280d83cb6/demos/00-hello.c
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// https://github.com/r-lyeh/V4K/blob/45e34d7890b2b8fe1f4994f4b76e496280d83cb6/demos/00-video.c
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