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253 lines
6.8 KiB
C++
253 lines
6.8 KiB
C++
/**
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* @file
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* @brief Unit tests for openshot::Clip
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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 <sstream>
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#include <memory>
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#include <catch2/catch.hpp>
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#include "Clip.h"
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#include "Frame.h"
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#include "Fraction.h"
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#include "Timeline.h"
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#include "Json.h"
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using namespace openshot;
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TEST_CASE( "default constructor", "[libopenshot][clip]" )
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{
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// Create a empty clip
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Clip c1;
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// Check basic settings
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CHECK(c1.anchor == ANCHOR_CANVAS);
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CHECK(c1.gravity == GRAVITY_CENTER);
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CHECK(c1.scale == SCALE_FIT);
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CHECK(c1.Layer() == 0);
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CHECK(c1.Position() == Approx(0.0f).margin(0.00001));
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CHECK(c1.Start() == Approx(0.0f).margin(0.00001));
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CHECK(c1.End() == Approx(0.0f).margin(0.00001));
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}
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TEST_CASE( "path string constructor", "[libopenshot][clip]" )
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{
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// Create a empty clip
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std::stringstream path;
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path << TEST_MEDIA_PATH << "piano.wav";
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Clip c1(path.str());
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c1.Open();
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// Check basic settings
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CHECK(c1.anchor == ANCHOR_CANVAS);
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CHECK(c1.gravity == GRAVITY_CENTER);
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CHECK(c1.scale == SCALE_FIT);
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CHECK(c1.Layer() == 0);
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CHECK(c1.Position() == Approx(0.0f).margin(0.00001));
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CHECK(c1.Start() == Approx(0.0f).margin(0.00001));
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CHECK(c1.End() == Approx(4.39937f).margin(0.00001));
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}
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TEST_CASE( "basic getters and setters", "[libopenshot][clip]" )
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{
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// Create a empty clip
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Clip c1;
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// Check basic settings
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CHECK_THROWS_AS(c1.Open(), ReaderClosed);
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CHECK(c1.anchor == ANCHOR_CANVAS);
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CHECK(c1.gravity == GRAVITY_CENTER);
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CHECK(c1.scale == SCALE_FIT);
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CHECK(c1.Layer() == 0);
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CHECK(c1.Position() == Approx(0.0f).margin(0.00001));
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CHECK(c1.Start() == Approx(0.0f).margin(0.00001));
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CHECK(c1.End() == Approx(0.0f).margin(0.00001));
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// Change some properties
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c1.Layer(1);
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c1.Position(5.0);
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c1.Start(3.5);
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c1.End(10.5);
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CHECK(c1.Layer() == 1);
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CHECK(c1.Position() == Approx(5.0f).margin(0.00001));
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CHECK(c1.Start() == Approx(3.5f).margin(0.00001));
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CHECK(c1.End() == Approx(10.5f).margin(0.00001));
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}
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TEST_CASE( "properties", "[libopenshot][clip]" )
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{
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// Create a empty clip
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Clip c1;
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// Change some properties
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c1.Layer(1);
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c1.Position(5.0);
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c1.Start(3.5);
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c1.End(10.5);
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c1.alpha.AddPoint(1, 1.0);
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c1.alpha.AddPoint(500, 0.0);
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// Get properties JSON string at frame 1
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std::string properties = c1.PropertiesJSON(1);
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// Parse JSON string into JSON objects
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Json::Value root;
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Json::CharReaderBuilder rbuilder;
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Json::CharReader* reader(rbuilder.newCharReader());
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std::string errors;
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bool success = reader->parse(
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properties.c_str(),
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properties.c_str() + properties.size(),
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&root, &errors );
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CHECK(success == true);
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// Check for specific things
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CHECK(root["alpha"]["value"].asDouble() == Approx(1.0f).margin(0.01));
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CHECK(root["alpha"]["keyframe"].asBool() == true);
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// Get properties JSON string at frame 250
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properties = c1.PropertiesJSON(250);
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// Parse JSON string into JSON objects
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root.clear();
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success = reader->parse(
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properties.c_str(),
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properties.c_str() + properties.size(),
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&root, &errors );
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CHECK(success == true);
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// Check for specific things
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CHECK(root["alpha"]["value"].asDouble() == Approx(0.5f).margin(0.01));
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CHECK_FALSE(root["alpha"]["keyframe"].asBool());
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// Get properties JSON string at frame 250 (again)
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properties = c1.PropertiesJSON(250);
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// Parse JSON string into JSON objects
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root.clear();
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success = reader->parse(
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properties.c_str(),
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properties.c_str() + properties.size(),
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&root, &errors );
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CHECK(success == true);
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// Check for specific things
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CHECK_FALSE(root["alpha"]["keyframe"].asBool());
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// Get properties JSON string at frame 500
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properties = c1.PropertiesJSON(500);
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// Parse JSON string into JSON objects
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root.clear();
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success = reader->parse(
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properties.c_str(),
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properties.c_str() + properties.size(),
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&root, &errors );
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CHECK(success == true);
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// Check for specific things
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CHECK(root["alpha"]["value"].asDouble() == Approx(0.0f).margin(0.00001));
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CHECK(root["alpha"]["keyframe"].asBool() == true);
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// Free up the reader we allocated
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delete reader;
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}
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TEST_CASE( "effects", "[libopenshot][clip]" )
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{
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// Load clip with video
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std::stringstream path;
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path << TEST_MEDIA_PATH << "sintel_trailer-720p.mp4";
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Clip c10(path.str());
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c10.Open();
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Negate n;
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c10.AddEffect(&n);
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// Get frame 1
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std::shared_ptr<Frame> f = c10.GetFrame(500);
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// Get the image data
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const unsigned char* pixels = f->GetPixels(10);
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int pixel_index = 112 * 4; // pixel 112 (4 bytes per pixel)
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// Check image properties on scanline 10, pixel 112
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CHECK((int)pixels[pixel_index] == 255);
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CHECK((int)pixels[pixel_index + 1] == 255);
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CHECK((int)pixels[pixel_index + 2] == 255);
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CHECK((int)pixels[pixel_index + 3] == 255);
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// Check the # of Effects
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CHECK((int)c10.Effects().size() == 1);
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// Add a 2nd negate effect
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Negate n1;
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c10.AddEffect(&n1);
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// Get frame 1
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f = c10.GetFrame(500);
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// Get the image data
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pixels = f->GetPixels(10);
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pixel_index = 112 * 4; // pixel 112 (4 bytes per pixel)
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// Check image properties on scanline 10, pixel 112
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CHECK((int)pixels[pixel_index] == 0);
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CHECK((int)pixels[pixel_index + 1] == 0);
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CHECK((int)pixels[pixel_index + 2] == 0);
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CHECK((int)pixels[pixel_index + 3] == 255);
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// Check the # of Effects
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CHECK((int)c10.Effects().size() == 2);
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}
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TEST_CASE( "verify parent Timeline", "[libopenshot][clip]" )
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{
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Timeline t1(640, 480, Fraction(30,1), 44100, 2, LAYOUT_STEREO);
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// Load clip with video
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std::stringstream path;
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path << TEST_MEDIA_PATH << "sintel_trailer-720p.mp4";
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Clip c1(path.str());
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c1.Open();
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// Check size of frame image
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CHECK(1280 == c1.GetFrame(1)->GetImage()->width());
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CHECK(720 == c1.GetFrame(1)->GetImage()->height());
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// Add clip to timeline
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t1.AddClip(&c1);
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// Check size of frame image (with an associated timeline)
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CHECK(640 == c1.GetFrame(1)->GetImage()->width());
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CHECK(360 == c1.GetFrame(1)->GetImage()->height());
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}
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