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* reuse-managed license/copyright headers reuse is a tool for compliance with the REUSE recommendations. See <https://reuse.software/> for more information, and <https://reuse.readthedocs.io/> for the online documentation. * Set jsoncpp license * Add MIT license for Decklink sources * Explicitly license examples/ - Add headers to source files - Change blanket licensing in .reuse/dep5 to only cover binary media - Import CC-BY-3.0 license and assign to sintel_trailer
98 lines
2.3 KiB
C++
98 lines
2.3 KiB
C++
/**
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* @file
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* @brief Unit tests for openshot::ImageWriter
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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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// Copyright (c) 2008-2019 OpenShot Studios, LLC
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//
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// SPDX-License-Identifier: LGPL-3.0-or-later
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#ifdef USE_IMAGEMAGICK
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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 "ImageWriter.h"
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#include "Exceptions.h"
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#include "ImageReader.h"
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#include "FFmpegReader.h"
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#include "Frame.h"
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using namespace openshot;
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TEST_CASE( "Gif", "[libopenshot][imagewriter]" )
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{
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// Reader ---------------
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// Bad path
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FFmpegReader bad_r("/tmp/bleeblorp.xls", false);
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CHECK_THROWS_AS(bad_r.Open(), InvalidFile);
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// Good path
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std::stringstream path;
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path << TEST_MEDIA_PATH << "sintel_trailer-720p.mp4";
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FFmpegReader r(path.str());
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// Read-before-open error
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CHECK_THROWS_AS(r.GetFrame(1), ReaderClosed);
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r.Open();
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/* WRITER ---------------- */
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ImageWriter w("output1.gif");
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CHECK_FALSE(w.IsOpen());
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// Check for exception on write-before-open
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CHECK_THROWS_AS(w.WriteFrame(&r, 500, 504), WriterClosed);
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// Set the image output settings (format, fps, width, height, quality, loops, combine)
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w.SetVideoOptions("GIF", r.info.fps, r.info.width, r.info.height, 70, 1, true);
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// Open writer
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w.Open();
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// Write some frames (start on frame 500 and go to frame 510)
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w.WriteFrame(&r, 500, 504);
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// Close writer & reader
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w.Close();
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r.Close();
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// Open up the 5th frame from the newly created GIF
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ImageReader r1("output1.gif[4]");
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// Basic Reader state queries
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CHECK(r1.Name() == "ImageReader");
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CacheBase* c = r1.GetCache();
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CHECK(c == nullptr);
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CHECK_FALSE(r1.IsOpen());
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r1.Open();
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CHECK(r1.IsOpen() == true);
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// Verify various settings
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CHECK(r1.info.width == r.info.width);
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CHECK(r1.info.height == r.info.height);
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// Get a specific frame
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std::shared_ptr<Frame> f = r1.GetFrame(8);
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// Get the image data for row 500
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const unsigned char* pixels = f->GetPixels(500);
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int pixel_index = 230 * 4; // pixel 230 (4 bytes per pixel)
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// Check image properties
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CHECK((int)pixels[pixel_index] == Approx(20).margin(5));
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CHECK((int)pixels[pixel_index + 1] == Approx(18).margin(5));
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CHECK((int)pixels[pixel_index + 2] == Approx(11).margin(5));
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CHECK((int)pixels[pixel_index + 3] == Approx(255).margin(5));
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}
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#endif // USE_IMAGEMAGICK
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