feat:heapmap with value;fix:qcustomplot warning

components/ffmsep/presist/presist.hh

@@ -0,0 +1,86 @@
+//
+// Created by Lenn on 2025/10/31.
+//
+
+#ifndef TOUCHSENSOR_PRESIST_HH
+#define TOUCHSENSOR_PRESIST_HH
+
+#include <atomic>
+#include <condition_variable>
+#include <deque>
+#include <future>
+#include <memory>
+#include <mutex>
+#include <queue>
+#include <string>
+#include <thread>
+
+namespace ffmsep {
+
+struct DecodedFrame;
+
+namespace persist {
+
+struct WriteResult {
+    bool ok = false;
+    std::string error;
+    std::string path;
+};
+
+struct WriteRequest {
+    WriteRequest() = default;
+    WriteRequest(std::string p,
+                 std::deque<std::shared_ptr<DecodedFrame>> f,
+                 std::promise<WriteResult>&& pr)
+        : path(std::move(p))
+        , frames(std::move(f))
+        , promise(std::move(pr)) {}
+
+    WriteRequest(const WriteRequest&) = delete;
+    WriteRequest& operator=(const WriteRequest&) = delete;
+    WriteRequest(WriteRequest&&) noexcept = default;
+    WriteRequest& operator=(WriteRequest&&) noexcept = default;
+
+    std::string path;
+    std::deque<std::shared_ptr<DecodedFrame>> frames;
+    std::promise<WriteResult> promise;
+};
+
+class WriteQueue {
+public:
+    bool push(WriteRequest&& req);
+    bool pop(WriteRequest& out);
+    void stop();
+
+private:
+    std::mutex mutex_;
+    std::condition_variable cond_;
+    std::queue<WriteRequest> queue_;
+    bool stopped_ = false;
+};
+
+class JsonWritter {
+public:
+    JsonWritter();
+    ~JsonWritter();
+
+    std::future<WriteResult> enqueue(std::string path,
+                                     std::deque<std::shared_ptr<DecodedFrame>> frames);
+
+    void stop();
+
+private:
+    void run();
+    WriteResult write_once(const std::string& path,
+                           std::deque<std::shared_ptr<DecodedFrame>> frames);
+
+private:
+    std::thread write_thread_;
+    WriteQueue write_queue_;
+    std::atomic_bool stopped_{false};
+};
+
+} // namespace persist
+} // namespace ffmsep
+
+#endif // TOUCHSENSOR_PRESIST_HH