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/*
Copyright (C) 2023 Grok Image Compression Inc.
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 "context.h"
using namespace grk_plugin;
static std::mutex launchMutex;
GrokContext::GrokContext(DcpomaticContext* dcpomatic_context)
: _dcpomatic_context(dcpomatic_context)
{
auto grok = Config::instance()->grok();
if (!grok.enable) {
return;
}
boost::filesystem::path folder(_dcpomatic_context->location);
boost::filesystem::path binary_path = folder / "grk_compress";
if (!boost::filesystem::exists(binary_path)) {
getGrokLogger()->error(
"Invalid binary location %s", _dcpomatic_context->location.c_str()
);
return;
}
auto proc = [this](const std::string& str) {
try {
Message msg(str);
auto tag = msg.next();
if (tag == GRK_MSGR_BATCH_SUBMIT_COMPRESSED) {
auto clientFrameId = msg.nextUint();
msg.nextUint(); // compressed frame ID
auto compressedFrameLength = msg.nextUint();
auto processor = [this](DCPVideo srcFrame, uint8_t* compressed, uint32_t compressedFrameLength) {
auto compressed_data = std::make_shared<dcp::ArrayData>(compressed, compressedFrameLength);
_dcpomatic_context->writer.write(compressed_data, srcFrame.index(), srcFrame.eyes());
frame_done ();
};
int const minimum_size = 16384;
/* Write the compressed data out and tidy up */
bool needsRecompression = compressedFrameLength < minimum_size;
_messenger->process_compressed(str, processor, needsRecompression);
if (needsRecompression) {
/* The JPEG2000 frame data was too small, so handle it with the CPU encoder */
auto vf = _messenger->retrieve(clientFrameId);
if (!vf) {
return;
}
auto encoded = std::make_shared<dcp::ArrayData>(vf->encode_locally());
_dcpomatic_context->writer.write(encoded, vf->index(), vf->eyes());
frame_done ();
}
}
} catch (std::exception& ex) {
getGrokLogger()->error("%s",ex.what());
}
};
_messenger = new Messenger(proc, std::thread::hardware_concurrency());
}
GrokContext::~GrokContext()
{
if (!_messenger) {
return;
}
std::unique_lock<std::mutex> lk_global(launchMutex);
if (!_messenger) {
return;
}
if (_launched) {
_messenger->shutdown();
}
delete _messenger;
}
bool
GrokContext::launch(DCPVideo dcpv, int device)
{
namespace fs = boost::filesystem;
if (!_messenger) {
return false;
}
if (_launched) {
return true;
}
if (_launch_failed) {
return false;
}
std::unique_lock<std::mutex> lk_global(launchMutex);
if (!_messenger) {
return false;
}
if (_launched) {
return true;
}
if (_launch_failed) {
return false;
}
if (!fs::exists(_dcpomatic_context->location) || !fs::is_directory(_dcpomatic_context->location)) {
getGrokLogger()->error("Invalid directory %s", _dcpomatic_context->location.c_str());
return false;
}
auto s = dcpv.get_size();
_dcpomatic_context->set_dimensions(s.width, s.height);
auto grok = Config::instance()->grok();
if (!_messenger->launch_grok(
_dcpomatic_context->location,
_dcpomatic_context->width,
_dcpomatic_context->width,
_dcpomatic_context->height,
3,
12,
device,
_dcpomatic_context->film->resolution() == Resolution::FOUR_K,
_dcpomatic_context->film->video_frame_rate(),
_dcpomatic_context->film->video_bit_rate(VideoEncoding::JPEG2000),
grok.licence_server,
grok.licence)) {
_launch_failed = true;
return false;
}
_launched = _messenger->waitForClientInit();
_launch_failed = _launched;
return _launched;
}
bool
GrokContext::schedule_compress(DCPVideo const& vf)
{
if (!_messenger) {
return false;
}
auto cvt = [&vf](BufferSrc src) {
vf.convert_to_xyz((uint16_t*) src.frame_ptr);
};
return _messenger->schedule_compress(vf, cvt);
}
void
GrokContext::frame_done()
{
_dcpomatic_context->history.event();
}
GrokLogger* grk_plugin::sLogger = nullptr;
void
grk_plugin::setGrokLogger(grk_plugin::GrokLogger* logger)
{
delete sLogger;
sLogger = logger;
}
grk_plugin::GrokLogger*
grk_plugin::getGrokLogger()
{
return sLogger;
}
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