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/**
* @file
* @brief Unit tests for openshot::FFmpegReader
* @author Jonathan Thomas <jonathan@openshot.org>
*
* @section LICENSE
*
* Copyright (c) 2008-2014 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 "UnitTest++.h"
#include "../include/OpenShot.h"
#include "../include/Tests.h"
using namespace std;
using namespace openshot;
TEST(FFmpegReader_Invalid_Path)
{
// Check invalid path
CHECK_THROW(FFmpegReader(""), InvalidFile);
}
TEST(FFmpegReader_GetFrame_Before_Opening)
{
// Create a reader
stringstream path;
path << TEST_MEDIA_PATH << "piano.wav";
FFmpegReader r(path.str());
// Check invalid path
CHECK_THROW(r.GetFrame(1), ReaderClosed);
}
TEST(FFmpegReader_Check_Audio_File)
{
// Create a reader
stringstream path;
path << TEST_MEDIA_PATH << "piano.wav";
FFmpegReader r(path.str());
r.Open();
// Get frame 1
std::shared_ptr<Frame> f = r.GetFrame(1);
// Get the number of channels and samples
float *samples = f->GetAudioSamples(0);
// Check audio properties
CHECK_EQUAL(2, f->GetAudioChannelsCount());
CHECK_EQUAL(332, f->GetAudioSamplesCount());
// Check actual sample values (to be sure the waveform is correct)
CHECK_CLOSE(0.0f, samples[0], 0.00001);
CHECK_CLOSE(0.0f, samples[50], 0.00001);
CHECK_CLOSE(0.0f, samples[100], 0.00001);
CHECK_CLOSE(0.0f, samples[200], 0.00001);
CHECK_CLOSE(0.160781f, samples[230], 0.00001);
CHECK_CLOSE(-0.06125f, samples[300], 0.00001);
// Close reader
r.Close();
}
TEST(FFmpegReader_Check_Video_File)
{
// Create a reader
stringstream path;
path << TEST_MEDIA_PATH << "test.mp4";
FFmpegReader r(path.str());
r.Open();
// Get frame 1
std::shared_ptr<Frame> f = r.GetFrame(1);
// Get the image data
const unsigned char* pixels = f->GetPixels(10);
int pixel_index = 112 * 4; // pixel 112 (4 bytes per pixel)
// Check image properties on scanline 10, pixel 112
CHECK_CLOSE(21, (int)pixels[pixel_index], 1);
CHECK_CLOSE(191, (int)pixels[pixel_index + 1], 2);
CHECK_EQUAL(0, (int)pixels[pixel_index + 2]);
CHECK_EQUAL(255, (int)pixels[pixel_index + 3]);
// Get frame 1
f = r.GetFrame(2);
// Get the next frame
pixels = f->GetPixels(10);
pixel_index = 112 * 4; // pixel 112 (4 bytes per pixel)
// Check image properties on scanline 10, pixel 112
CHECK_EQUAL(0, (int)pixels[pixel_index]);
CHECK_CLOSE(96, (int)pixels[pixel_index + 1], 1);
CHECK_CLOSE(188, (int)pixels[pixel_index + 2], 1);
CHECK_EQUAL(255, (int)pixels[pixel_index + 3]);
// Close reader
r.Close();
}
TEST(FFmpegReader_Seek)
{
// Create a reader
stringstream path;
path << TEST_MEDIA_PATH << "sintel_trailer-720p.mp4";
FFmpegReader r(path.str());
r.Open();
// Get frame
std::shared_ptr<Frame> f = r.GetFrame(1);
CHECK_EQUAL(1, f->number);
// Get frame
f = r.GetFrame(300);
CHECK_EQUAL(300, f->number);
// Get frame
f = r.GetFrame(301);
CHECK_EQUAL(301, f->number);
// Get frame
f = r.GetFrame(315);
CHECK_EQUAL(315, f->number);
// Get frame
f = r.GetFrame(275);
CHECK_EQUAL(275, f->number);
// Get frame
f = r.GetFrame(270);
CHECK_EQUAL(270, f->number);
// Get frame
f = r.GetFrame(500);
CHECK_EQUAL(500, f->number);
// Get frame
f = r.GetFrame(100);
CHECK_EQUAL(100, f->number);
// Get frame
f = r.GetFrame(600);
CHECK_EQUAL(600, f->number);
// Get frame
f = r.GetFrame(1);
CHECK_EQUAL(1, f->number);
// Get frame
f = r.GetFrame(700);
CHECK_EQUAL(700, f->number);
// Close reader
r.Close();
}
TEST(FFmpegReader_Multiple_Open_and_Close)
{
// Create a reader
stringstream path;
path << TEST_MEDIA_PATH << "sintel_trailer-720p.mp4";
FFmpegReader r(path.str());
r.Open();
// Get frame that requires a seek
std::shared_ptr<Frame> f = r.GetFrame(1200);
CHECK_EQUAL(1200, f->number);
// Close and Re-open the reader
r.Close();
r.Open();
// Get frame
f = r.GetFrame(1);
CHECK_EQUAL(1, f->number);
f = r.GetFrame(250);
CHECK_EQUAL(250, f->number);
// Close and Re-open the reader
r.Close();
r.Open();
// Get frame
f = r.GetFrame(750);
CHECK_EQUAL(750, f->number);
f = r.GetFrame(1000);
CHECK_EQUAL(1000, f->number);
// Close reader
r.Close();
}
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