forked from mia/Aegisub
57 lines
2.1 KiB
C++
57 lines
2.1 KiB
C++
// Copyright (c) 2022, arch1t3cht <arch1t3cht@gmail.com>
|
|
//
|
|
// Permission to use, copy, modify, and distribute this software for any
|
|
// purpose with or without fee is hereby granted, provided that the above
|
|
// copyright notice and this permission notice appear in all copies.
|
|
//
|
|
// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
|
|
// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
|
|
// MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
|
|
// ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
|
|
// WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
|
|
// ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
|
|
// OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
|
|
//
|
|
// Aegisub Project http://www.aegisub.org/
|
|
|
|
/// @file ffmpegsource_common.cpp
|
|
/// @brief Shared code for ffms video and audio providers
|
|
/// @ingroup video_input audio_input ffms
|
|
///
|
|
|
|
#ifdef WITH_BESTSOURCE
|
|
#include "bestsource_common.h"
|
|
|
|
#include "options.h"
|
|
#include "utils.h"
|
|
|
|
#include <libaegisub/fs.h>
|
|
#include <libaegisub/path.h>
|
|
|
|
#include <boost/crc.hpp>
|
|
#include <boost/filesystem/path.hpp>
|
|
|
|
|
|
std::string GetBSCacheFile(agi::fs::path const& filename) {
|
|
// BS can store all its index data in a single file, but we make a separate index file
|
|
// for each video file to ensure that the old index is invalidated if the file is modified.
|
|
// While BS does check the filesize of the files, it doesn't check the modification time.
|
|
uintmax_t len = agi::fs::Size(filename);
|
|
boost::crc_32_type hash;
|
|
hash.process_bytes(filename.string().c_str(), filename.string().size());
|
|
|
|
auto result = config::path->Decode("?local/bsindex/" + filename.filename().string() + "_" + std::to_string(hash.checksum()) + "_" + std::to_string(len) + "_" + std::to_string(agi::fs::ModifiedTime(filename)) + ".json");
|
|
agi::fs::CreateDirectory(result.parent_path());
|
|
|
|
return result.string();
|
|
}
|
|
|
|
void BSCleanCache() {
|
|
CleanCache(config::path->Decode("?local/bsindex/"),
|
|
"*.json",
|
|
OPT_GET("Provider/BestSource/Cache/Size")->GetInt(),
|
|
OPT_GET("Provider/BestSource/Cache/Files")->GetInt());
|
|
}
|
|
|
|
#endif // WITH_BESTSOURCE
|