2020-01-17 12:20:17 -07:00
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#ifndef FRAMELOGGER_H
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#define FRAMELOGGER_H
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#include <cstdint>
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#include <string>
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#include <mutex>
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class FrameLogger {
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public:
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virtual ~FrameLogger() {}
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virtual void Open(const std::string &path) = 0;
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virtual void Close() = 0;
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int LogFrame(uint64_t ts, const uint8_t *y_ptr, const uint8_t *u_ptr, const uint8_t *v_ptr, int *frame_segment) {
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std::lock_guard<std::recursive_mutex> guard(lock);
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2020-06-03 13:54:49 -06:00
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2020-01-17 12:20:17 -07:00
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if (opening) {
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Open(next_path);
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opening = false;
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}
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if (!is_open) return -1;
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if (rotating) {
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Close();
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Open(next_path);
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segment = next_segment;
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rotating = false;
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}
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int ret = ProcessFrame(ts, y_ptr, u_ptr, v_ptr);
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if (ret >= 0 && frame_segment) {
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*frame_segment = segment;
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}
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if (closing) {
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Close();
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closing = false;
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}
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return ret;
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}
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void Rotate(const std::string &new_path, int new_segment) {
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std::lock_guard<std::recursive_mutex> guard(lock);
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next_path = new_path;
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next_segment = new_segment;
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if (is_open) {
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if (next_segment == -1) {
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closing = true;
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} else {
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rotating = true;
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}
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} else {
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segment = next_segment;
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opening = true;
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}
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}
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protected:
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virtual int ProcessFrame(uint64_t ts, const uint8_t *y_ptr, const uint8_t *u_ptr, const uint8_t *v_ptr) = 0;
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std::recursive_mutex lock;
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bool is_open = false;
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int segment = -1;
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std::string vid_path, lock_path;
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private:
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int next_segment = -1;
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bool opening = false, closing = false, rotating = false;
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std::string next_path;
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};
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#endif
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