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Reorganize source tree (headers in src/)
- src/bindings/ moves to /bindings/ - src/examples/ moves to /examples/ - Contents of include/ merged into src/ with same hierarchy - src/Qt/demo/ moves to examples/qt-demo/
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FeRD (Frank Dana)
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examples/ExampleBlackmagic.cpp
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231
examples/ExampleBlackmagic.cpp
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/**
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* @file
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* @brief Source file for Main_Blackmagic class (live greenscreen example app)
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* @author Jonathan Thomas <jonathan@openshot.org>
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*
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* @ref License
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*/
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/* LICENSE
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*
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* Copyright (c) 2008-2019 OpenShot Studios, LLC
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* <http://www.openshotstudios.com/>. This file is part of
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* OpenShot Library (libopenshot), an open-source project dedicated to
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* delivering high quality video editing and animation solutions to the
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* world. For more information visit <http://www.openshot.org/>.
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*
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* OpenShot Library (libopenshot) is free software: you can redistribute it
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* and/or modify it under the terms of the GNU Lesser General Public License
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* as published by the Free Software Foundation, either version 3 of the
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* License, or (at your option) any later version.
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*
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* OpenShot Library (libopenshot) is distributed in the hope that it will be
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* useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with OpenShot Library. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <fstream>
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#include <iostream>
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#include <map>
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#include <queue>
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#include <memory>
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#include "../../include/OpenShot.h"
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#include <omp.h>
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#include <time.h>
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using namespace openshot;
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int main(int argc, char *argv[])
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{
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// Init datetime
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time_t rawtime;
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struct tm * timeinfo;
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/* TIMELINE ---------------- */
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Timeline t(1920, 1080, Fraction(30,1), 48000, 2, LAYOUT_STEREO);
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// Create background video
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ImageReader b1("/home/jonathan/Pictures/moon.jpg");
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ImageReader b2("/home/jonathan/Pictures/trees.jpg");
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ImageReader b3("/home/jonathan/Pictures/clouds.jpg");
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ImageReader b4("/home/jonathan/Pictures/minecraft.png");
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ImageReader b5("/home/jonathan/Pictures/colorpgg03.jpg");
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Clip c1(&b1);
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// Background counter
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int background_frame = 0;
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int background_id = 1;
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DecklinkReader dr(1, 11, 0, 2, 16);
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Clip c2(&dr);
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Clip c3(new ImageReader("/home/jonathan/Pictures/watermark.png"));
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// mask
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Clip c4(new ImageReader("/home/jonathan/Pictures/mask_small.png"));
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// CLIP 1 (background image)
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c1.Position(0.0);
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c1.scale = SCALE_NONE;
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c1.Layer(0);
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t.AddClip(&c1);
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// CLIP 2 (decklink live stream)
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c2.Position(0.0);
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c2.scale = SCALE_NONE;
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c2.Layer(1);
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t.AddClip(&c2);
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// CLIP 3 (foreground image 1)
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c3.Position(0.0);
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c3.gravity = GRAVITY_TOP;
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//c3.gravity = GRAVITY_BOTTOM;
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c3.scale = SCALE_NONE;
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c3.Layer(2);
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t.AddClip(&c3);
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// CLIP 4 (foreground image 2)
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c4.Position(0.0);
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c4.gravity = GRAVITY_TOP;
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c4.scale = SCALE_NONE;
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c4.Layer(3);
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//t.AddClip(&c4);
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// Decklink writer
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DecklinkWriter w(0, 11, 3, 2, 16);
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w.Open();
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// Loop through reader
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int x = 0;
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while (true)
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{
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std::shared_ptr<Frame> f = t.GetFrame(x);
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if (f)
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{
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if (x != 0 && x % 30 == 0)
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{
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cout << "30 frames... (" << abs(dr.GetCurrentFrameNumber() - x) << " diff)" << endl;
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if (x != 0 && x % 60 == 0)
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{
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time ( &rawtime );
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timeinfo = localtime ( &rawtime );
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stringstream timestamp;
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timestamp << asctime (timeinfo);
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stringstream filename;
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filename << "/home/jonathan/Pictures/screenshots/detailed/" << timestamp.str() << ".jpeg";
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f->Save(filename.str(), 1.0);
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stringstream filename_small;
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filename_small << "/home/jonathan/Pictures/screenshots/thumbs/" << timestamp.str() << ".jpeg";
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f->Save(filename_small.str(), 0.15);
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}
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}
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// Send current frame to BlackMagic
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w.WriteFrame(f);
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// Increment background frame #
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background_frame++;
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// Change background
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if (background_frame == 300)
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{
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background_frame = 0;
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switch (background_id)
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{
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case 1:
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c1.Reader(&b2);
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background_id = 2;
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break;
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case 2:
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c1.Reader(&b3);
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background_id = 3;
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break;
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case 3:
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c1.Reader(&b4);
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background_id = 4;
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break;
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case 4:
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c1.Reader(&b5);
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background_id = 5;
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break;
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case 5:
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c1.Reader(&b1);
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background_id = 1;
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break;
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}
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}
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//usleep(500 * 1);
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// Go to next frame on timeline
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if (abs(dr.GetCurrentFrameNumber() - x) > 40 || x == 90)
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{
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// Got behind... skip ahead some
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x = dr.GetCurrentFrameNumber();
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cout << "JUMPING AHEAD to " << x << ", background moved to " << (float(x) / 30.0f) << endl;
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}
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else
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// Go to the next frame
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x++;
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}
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}
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// Sleep
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sleep(4);
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// Image Reader
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// ImageReader r1("/home/jonathan/Pictures/Screenshot from 2013-02-10 15:06:38.png");
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// r1.Open();
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// std::shared_ptr<Frame> f1 = r1.GetFrame(1);
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// r1.Close();
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// f1->TransparentColors("#8fa09a", 20.0);
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// f1->Display();
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// return 0;
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// ImageReader r2("/home/jonathan/Pictures/trees.jpg");
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// r2.Open();
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// std::shared_ptr<Frame> f2 = r2.GetFrame(1);
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// r2.Close();
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// DecklinkReader dr(1, 11, 0, 2, 16);
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// dr.Open();
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//
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// DecklinkWriter w(0, 11, 3, 2, 16);
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// w.Open();
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//
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// // Loop through reader
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// int x = 0;
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// while (true)
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// {
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// if (x % 30 == 0)
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// cout << "30 frames..." << endl;
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//
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// std::shared_ptr<Frame> f = dr.GetFrame(0);
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// if (f)
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// {
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// //f->Display();
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// w.WriteFrame(f);
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// usleep(1000 * 1);
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//
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// x++;
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// }
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// }
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//
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// // Sleep
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// sleep(4);
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//
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// // Close writer
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// w.Close();
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return 0;
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}
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