Files
dragonpilot/system/loggerd/zstd_writer.h
Vehicle Researcher dd778596b7 openpilot v0.9.8 release
date: 2025-03-15T21:10:51
master commit: fb7b9c0f9420d228f03362970ebcfb7237095cf3
2025-03-18 10:05:17 -07:00

25 lines
557 B
C++

#pragma once
#include <zstd.h>
#include <string>
#include <vector>
#include <capnp/common.h>
class ZstdFileWriter {
public:
ZstdFileWriter(const std::string &filename, int compression_level);
~ZstdFileWriter();
void write(void* data, size_t size);
inline void write(kj::ArrayPtr<capnp::byte> array) { write(array.begin(), array.size()); }
private:
void flushCache(bool last_chunk);
size_t input_cache_capacity_ = 0;
std::vector<char> input_cache_;
std::vector<char> output_buffer_;
ZSTD_CStream *cstream_;
FILE* file_ = nullptr;
};