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/**
* @file
* @brief Unit tests for openshot::FFmpegWriter
* @author Jonathan Thomas <jonathan@openshot.org>
*
* @ref License
*/
/* 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/>.
*/
#include <sstream>
#include <memory>
#include <catch2/catch.hpp>
#include "FFmpegWriter.h"
#include "Exceptions.h"
#include "FFmpegReader.h"
#include "Fraction.h"
#include "Frame.h"
using namespace std;
using namespace openshot;
TEST_CASE( "Webm", "[libopenshot][ffmpegwriter]" )
{
// Reader
stringstream path;
path << TEST_MEDIA_PATH << "sintel_trailer-720p.mp4";
FFmpegReader r(path.str());
r.Open();
/* WRITER ---------------- */
FFmpegWriter w("output1.webm");
// Set options
w.SetAudioOptions(true, "libvorbis", 44100, 2, LAYOUT_STEREO, 188000);
w.SetVideoOptions(true, "libvpx", Fraction(24,1), 1280, 720, Fraction(1,1), false, false, 30000000);
// Open writer
w.Open();
// Write some frames
w.WriteFrame(&r, 24, 50);
// Close writer & reader
w.Close();
r.Close();
FFmpegReader r1("output1.webm");
r1.Open();
// Verify various settings on new MP4
CHECK(r1.GetFrame(1)->GetAudioChannelsCount() == 2);
CHECK(r1.info.fps.num == 24);
CHECK(r1.info.fps.den == 1);
// Get a specific frame
std::shared_ptr<Frame> f = r1.GetFrame(8);
// Get the image data for row 500
const unsigned char* pixels = f->GetPixels(500);
int pixel_index = 112 * 4; // pixel 112 (4 bytes per pixel)
// Check image properties on scanline 10, pixel 112
CHECK((int)pixels[pixel_index] == Approx(23).margin(5));
CHECK((int)pixels[pixel_index + 1] == Approx(23).margin(5));
CHECK((int)pixels[pixel_index + 2] == Approx(23).margin(5));
CHECK((int)pixels[pixel_index + 3] == Approx(255).margin(5));
}
TEST_CASE( "Options_Overloads", "[libopenshot][ffmpegwriter]" )
{
// Reader
stringstream path;
path << TEST_MEDIA_PATH << "sintel_trailer-720p.mp4";
FFmpegReader r(path.str());
r.Open();
/* WRITER ---------------- */
FFmpegWriter w("output1.mp4");
// Set options
w.SetAudioOptions("aac", 48000, 192000);
w.SetVideoOptions("libx264", 1280, 720, Fraction(30,1), 5000000);
// Open writer
w.Open();
// Write some frames
w.WriteFrame(&r, 24, 50);
// Close writer & reader
w.Close();
r.Close();
FFmpegReader r1("output1.mp4");
r1.Open();
// Verify implied settings
CHECK(r1.info.has_audio == true);
CHECK(r1.info.has_video == true);
CHECK(r1.GetFrame(1)->GetAudioChannelsCount() == 2);
CHECK(r1.info.channel_layout == LAYOUT_STEREO);
CHECK(r1.info.pixel_ratio.num == 1);
CHECK(r1.info.pixel_ratio.den == 1);
CHECK_FALSE(r1.info.interlaced_frame);
CHECK(r1.info.top_field_first == true);
}
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