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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 "cross.h"
#include "dcpomatic_log.h"
#include "dcp_video.h"
#include "j2k_encoder.h"
#include "kakadu_j2k_encoder_thread.h"
#include "util.h"
#include <boost/interprocess/sync/scoped_lock.hpp>
#include "i18n.h"
using std::make_shared;
using std::shared_ptr;
KakaduJ2KEncoderThread::KakaduJ2KEncoderThread(J2KEncoder& encoder)
: J2KSyncEncoderThread(encoder)
{
}
void
KakaduJ2KEncoderThread::log_thread_start() const
{
start_of_thread("KakaduJ2KEncoder");
LOG_TIMING("start-encoder-thread thread={} server=localhost", thread_id());
}
shared_ptr<dcp::ArrayData>
KakaduJ2KEncoderThread::encode(DCPVideo const& frame)
{
auto shmem = _encoder.kakadu_shared_memory();
if (!shmem) {
LOG_ERROR(N_("Kakadu encode failed (no shared memory)"));
return {};
}
auto metadata = shmem->metadata();
std::cout << "Send an image.\n";
boost::interprocess::scoped_lock lm(metadata->mutex);
frame.convert_to_xyz(shmem->xyz());
metadata->request = true;
metadata->request_condition.notify_one();
while (!metadata->reply) {
metadata->reply_condition.wait(lm);
}
metadata->reply = false;
std::cout << "reading " << metadata->j2k_size << "\n";
return make_shared<dcp::ArrayData>(shmem->j2k(), metadata->j2k_size);
}
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