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jami-daemon/test/unitTest/media/test_media_decoder.cpp
Adrien Béraud e2503d3a4f update license
Change-Id: I8b9e25f99da5945684e265d3923b74065c8ef8eb
2024-11-11 22:42:19 -05:00

145 lines
4.1 KiB
C++

/*
* Copyright (C) 2004-2024 Savoir-faire Linux Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#include <cppunit/TestAssert.h>
#include <cppunit/TestFixture.h>
#include <cppunit/extensions/HelperMacros.h>
#include "jami.h"
#include "fileutils.h"
#include "media/libav_deps.h"
#include "media/media_buffer.h"
#include "media/media_decoder.h"
#include "media/media_device.h"
#include "media/media_io_handle.h"
#include "../../test_runner.h"
namespace jami { namespace test {
class MediaDecoderTest : public CppUnit::TestFixture {
public:
static std::string name() { return "media_decoder"; }
void setUp();
void tearDown();
private:
void testAudioFile();
CPPUNIT_TEST_SUITE(MediaDecoderTest);
CPPUNIT_TEST(testAudioFile);
CPPUNIT_TEST_SUITE_END();
void writeWav(); // writes a minimal wav file to test decoding
std::unique_ptr<MediaDecoder> decoder_;
std::string filename_ = "test.wav";
};
CPPUNIT_TEST_SUITE_NAMED_REGISTRATION(MediaDecoderTest, MediaDecoderTest::name());
void
MediaDecoderTest::setUp()
{
libjami::init(libjami::InitFlag(libjami::LIBJAMI_FLAG_DEBUG | libjami::LIBJAMI_FLAG_CONSOLE_LOG));
libav_utils::av_init();
}
void
MediaDecoderTest::tearDown()
{
dhtnet::fileutils::remove(filename_);
libjami::fini();
}
void
MediaDecoderTest::testAudioFile()
{
if (!avcodec_find_decoder(AV_CODEC_ID_PCM_S16LE)
|| !avcodec_find_decoder(AV_CODEC_ID_PCM_S16BE))
return; // no way to test the wav file, since it is in pcm signed 16
writeWav();
decoder_.reset(new MediaDecoder([this](const std::shared_ptr<MediaFrame>&& f) mutable {
CPPUNIT_ASSERT(f->pointer()->sample_rate == decoder_->getStream().sampleRate);
CPPUNIT_ASSERT(f->pointer()->ch_layout.nb_channels == decoder_->getStream().nbChannels);
}));
DeviceParams dev;
dev.input = filename_;
CPPUNIT_ASSERT(decoder_->openInput(dev) >= 0);
CPPUNIT_ASSERT(decoder_->setupAudio() >= 0);
bool done = false;
while (!done) {
switch (decoder_->decode()) {
case MediaDemuxer::Status::ReadError:
CPPUNIT_ASSERT_MESSAGE("Decode error", false);
done = true;
break;
case MediaDemuxer::Status::EndOfFile:
done = true;
break;
case MediaDemuxer::Status::Success:
default:
break;
}
}
CPPUNIT_ASSERT(done);
}
// write bytes to file using native endianness
template<typename Word>
static std::ostream& write(std::ostream& os, Word value, unsigned size)
{
for (; size; --size, value >>= 8)
os.put(static_cast<char>(value & 0xFF));
return os;
}
void
MediaDecoderTest::writeWav()
{
auto f = std::ofstream(filename_, std::ios::binary);
f << "RIFF----WAVEfmt ";
write(f, 16, 4); // no extension data
write(f, 1, 2); // PCM integer samples
write(f, 1, 2); // channels
write(f, 8000, 4); // sample rate
write(f, 8000 * 1 * 2, 4); // sample rate * channels * bytes per sample
write(f, 4, 2); // data block size
write(f, 2 * 8, 2); // bits per sample
size_t dataChunk = f.tellp();
f << "data----";
// fill file with silence
// make sure there is more than 1 AVFrame in the file
for (int i = 0; i < 8192; ++i)
write(f, 0, 2);
size_t length = f.tellp();
f.seekp(dataChunk + 4);
write(f, length - dataChunk + 8, 4);
f.seekp(4);
write(f, length - 8, 4);
}
}} // namespace jami::test
RING_TEST_RUNNER(jami::test::MediaDecoderTest::name());