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/*
Copyright (C) 2026 Carl Hetherington <cth@carlh.net>
This file is part of DCP-o-matic.
DCP-o-matic 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 2 of the License, or
(at your option) any later version.
DCP-o-matic 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 DCP-o-matic. If not, see <http://www.gnu.org/licenses/>.
*/
#include "lib/subtitle_sync_packet_queue.h"
extern "C" {
#include <libavcodec/packet.h>
}
#include <boost/test/unit_test.hpp>
BOOST_AUTO_TEST_CASE(subtitle_sync_packet_queue_test)
{
SubtitleSyncPacketQueue queue;
std::vector<std::pair<AVPacket*, PacketQueue::Type>> expected;
auto add_video = [&queue, &expected]() {
auto packet = av_packet_alloc();
queue.add(packet, PacketQueue::Type::VIDEO);
expected.push_back(std::make_pair(packet, PacketQueue::Type::VIDEO));
return packet;
};
auto add_audio = [&queue, &expected]() {
auto packet = av_packet_alloc();
queue.add(packet, PacketQueue::Type::AUDIO);
expected.push_back(std::make_pair(packet, PacketQueue::Type::AUDIO));
return packet;
};
auto add_subtitle = [&queue]() {
auto packet = av_packet_alloc();
queue.add(packet, PacketQueue::Type::SUBTITLE);
return packet;
};
auto check = [&queue](bool flush, std::pair<AVPacket*, PacketQueue::Type> ref) {
auto check = queue.get(flush);
BOOST_CHECK(check.has_value());
BOOST_CHECK(boost::get<AVPacket*>(check->first) == ref.first);
BOOST_CHECK(check->second == ref.second);
};
for (int i = 0; i < 24; ++i) {
add_video();
add_audio();
add_audio();
}
BOOST_CHECK(queue.get(false) == boost::none);
for (int i = 0; i < 23; ++i) {
add_video();
add_audio();
add_audio();
}
BOOST_CHECK(queue.get(false) == boost::none);
auto iter = expected.begin();
add_video();
check(false, *iter);
++iter;
auto sub1 = add_subtitle();
auto sub2 = add_subtitle();
for (int i = 0; i < 24; ++i) {
add_video();
add_audio();
add_audio();
}
check(false, { sub1, PacketQueue::Type::SUBTITLE });
check(false, { sub2, PacketQueue::Type::SUBTITLE });
for (int i = 0; i < 24; ++i) {
check(false, *iter);
++iter;
check(false, *iter);
++iter;
check(false, *iter);
++iter;
}
for (int i = 0; i < 47; ++i) {
check(true, *iter);
BOOST_REQUIRE(iter != expected.end());
++iter;
check(true, *iter);
BOOST_REQUIRE(iter != expected.end());
++iter;
check(true, *iter);
BOOST_REQUIRE(iter != expected.end());
++iter;
}
}
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