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Merge pull request #527 from OpenShot/dummy_reader_improvements
Adding some new functionality and documentation to DummyReader
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/** | ||
* @file | ||
* @brief Unit tests for openshot::DummyReader | ||
* @author Jonathan Thomas <jonathan@openshot.org> | ||
* | ||
* @ref License | ||
*/ | ||
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/* LICENSE | ||
* | ||
* Copyright (c) 2008-2019 OpenShot Studios, LLC | ||
* <http://www.openshotstudios.com/>. This file is part of | ||
* OpenShot Library (libopenshot), an open-source project dedicated to | ||
* delivering high quality video editing and animation solutions to the | ||
* world. For more information visit <http://www.openshot.org/>. | ||
* | ||
* OpenShot Library (libopenshot) is free software: you can redistribute it | ||
* and/or modify it under the terms of the GNU Lesser General Public License | ||
* as published by the Free Software Foundation, either version 3 of the | ||
* License, or (at your option) any later version. | ||
* | ||
* OpenShot Library (libopenshot) is distributed in the hope that it will be | ||
* useful, but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
* GNU Lesser General Public License for more details. | ||
* | ||
* You should have received a copy of the GNU Lesser General Public License | ||
* along with OpenShot Library. If not, see <http://www.gnu.org/licenses/>. | ||
*/ | ||
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#include "UnitTest++.h" | ||
// Prevent name clashes with juce::UnitTest | ||
#define DONT_SET_USING_JUCE_NAMESPACE 1 | ||
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#include "../include/OpenShot.h" | ||
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using namespace std; | ||
using namespace openshot; | ||
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TEST (DummyReader_Basic_Constructor) { | ||
// Create a default fraction (should be 1/1) | ||
openshot::DummyReader r; | ||
r.Open(); // Open the reader | ||
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// Check values | ||
CHECK_EQUAL(1280, r.info.width); | ||
CHECK_EQUAL(768, r.info.height); | ||
CHECK_EQUAL(24, r.info.fps.num); | ||
CHECK_EQUAL(1, r.info.fps.den); | ||
CHECK_EQUAL(44100, r.info.sample_rate); | ||
CHECK_EQUAL(2, r.info.channels); | ||
CHECK_EQUAL(30.0, r.info.duration); | ||
} | ||
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TEST (DummyReader_Constructor) { | ||
// Create a default fraction (should be 1/1) | ||
openshot::DummyReader r(openshot::Fraction(30, 1), 1920, 1080, 44100, 2, 60.0); | ||
r.Open(); // Open the reader | ||
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// Check values | ||
CHECK_EQUAL(1920, r.info.width); | ||
CHECK_EQUAL(1080, r.info.height); | ||
CHECK_EQUAL(30, r.info.fps.num); | ||
CHECK_EQUAL(1, r.info.fps.den); | ||
CHECK_EQUAL(44100, r.info.sample_rate); | ||
CHECK_EQUAL(2, r.info.channels); | ||
CHECK_EQUAL(60.0, r.info.duration); | ||
} | ||
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TEST (DummyReader_Blank_Frame) { | ||
// Create a default fraction (should be 1/1) | ||
openshot::DummyReader r(openshot::Fraction(30, 1), 1920, 1080, 44100, 2, 30.0); | ||
r.Open(); // Open the reader | ||
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// Get a blank frame (because we have not passed a Cache object (full of Frame objects) to the constructor | ||
// Check values | ||
CHECK_EQUAL(1, r.GetFrame(1)->number); | ||
CHECK_EQUAL(1, r.GetFrame(1)->GetPixels(700)[700] == 0); // black pixel | ||
CHECK_EQUAL(1, r.GetFrame(1)->GetPixels(701)[701] == 0); // black pixel | ||
} | ||
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TEST (DummyReader_Fake_Frame) { | ||
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// Create cache object to hold test frames | ||
CacheMemory cache; | ||
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// Let's create some test frames | ||
for (int64_t frame_number = 1; frame_number <= 30; frame_number++) { | ||
// Create blank frame (with specific frame #, samples, and channels) | ||
// Sample count should be 44100 / 30 fps = 1470 samples per frame | ||
int sample_count = 1470; | ||
std::shared_ptr<openshot::Frame> f(new openshot::Frame(frame_number, sample_count, 2)); | ||
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// Create test samples with incrementing value | ||
float *audio_buffer = new float[sample_count]; | ||
for (int64_t sample_number = 0; sample_number < sample_count; sample_number++) { | ||
// Generate an incrementing audio sample value (just as an example) | ||
audio_buffer[sample_number] = float(frame_number) + (float(sample_number) / float(sample_count)); | ||
} | ||
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// Add custom audio samples to Frame (bool replaceSamples, int destChannel, int destStartSample, const float* source, | ||
f->AddAudio(true, 0, 0, audio_buffer, sample_count, 1.0); // add channel 1 | ||
f->AddAudio(true, 1, 0, audio_buffer, sample_count, 1.0); // add channel 2 | ||
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// Add test frame to dummy reader | ||
cache.Add(f); | ||
} | ||
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// Create a default fraction (should be 1/1) | ||
openshot::DummyReader r(openshot::Fraction(30, 1), 1920, 1080, 44100, 2, 30.0, &cache); | ||
r.Open(); // Open the reader | ||
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// Verify our artificial audio sample data is correct | ||
CHECK_EQUAL(1, r.GetFrame(1)->number); | ||
CHECK_EQUAL(1, r.GetFrame(1)->GetAudioSamples(0)[0]); | ||
CHECK_CLOSE(1.00068033, r.GetFrame(1)->GetAudioSamples(0)[1], 0.00001); | ||
CHECK_CLOSE(1.00136054, r.GetFrame(1)->GetAudioSamples(0)[2], 0.00001); | ||
CHECK_EQUAL(2, r.GetFrame(2)->GetAudioSamples(0)[0]); | ||
CHECK_CLOSE(2.00068033, r.GetFrame(2)->GetAudioSamples(0)[1], 0.00001); | ||
CHECK_CLOSE(2.00136054, r.GetFrame(2)->GetAudioSamples(0)[2], 0.00001); | ||
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// Clean up | ||
cache.Clear(); | ||
r.Close(); | ||
} | ||
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TEST (DummyReader_Invalid_Fake_Frame) { | ||
// Create fake frames (with specific frame #, samples, and channels) | ||
std::shared_ptr<openshot::Frame> f1(new openshot::Frame(1, 1470, 2)); | ||
std::shared_ptr<openshot::Frame> f2(new openshot::Frame(2, 1470, 2)); | ||
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// Add test frames to cache object | ||
CacheMemory cache; | ||
cache.Add(f1); | ||
cache.Add(f2); | ||
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// Create a default fraction (should be 1/1) | ||
openshot::DummyReader r(openshot::Fraction(30, 1), 1920, 1080, 44100, 2, 30.0, &cache); | ||
r.Open(); | ||
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// Verify exception | ||
CHECK_EQUAL(1, r.GetFrame(1)->number); | ||
CHECK_EQUAL(2, r.GetFrame(2)->number); | ||
CHECK_THROW(r.GetFrame(3)->number, InvalidFile); | ||
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// Clean up | ||
cache.Clear(); | ||
r.Close(); | ||
} |