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Add flushGop for RingBuffer
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@xia-chu
xia-chu committed Oct 18, 2024
1 parent 4623101 commit 08c094e
Showing 1 changed file with 7 additions and 0 deletions.
7 changes: 7 additions & 0 deletions src/Util/RingBuffer.h
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Original file line number Diff line number Diff line change
Expand Up @@ -433,6 +433,13 @@ class RingBuffer : public std::enable_shared_from_this<RingBuffer<T>> {
}
}

void flushGop(std::function<void(const T &)> cb) {
LOCK_GUARD(_mtx_map);
_storage->getCache().for_each([&](const List<std::pair<bool, T>> &lst) {
lst.for_each([&](const std::pair<bool, T> &pr) { cb(pr.second); });
});
}

void getInfoList(const onGetInfoCB &cb, const typename RingReaderDispatcher::onChangeInfoCB &on_change = nullptr) {
if (!cb) {
return;
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1 comment on commit 08c094e

@alexliyu7352
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AI Review for src/Util/RingBuffer.h:

Code Review: Patch to src/Util/RingBuffer.h

Summary

This patch adds a flushGop method to the RingBuffer class, allowing for the retrieval of all cached data in a single call. This is a useful addition for scenarios where you need to process all data in the buffer at once.

Detailed Feedback

Code Overview

The patch introduces a new flushGop method to the RingBuffer class. This method iterates through the cached data in the _storage object and calls the provided callback function for each data element.

Strengths

  • Functionality: The new flushGop method provides a convenient way to retrieve all cached data in a single call.
  • Clarity: The code is well-written and easy to understand.

Areas for Improvement

1. Potential Performance Bottleneck

  • Issue: The flushGop method currently iterates through all cached data, including keyframes and non-keyframes. This could be inefficient if the buffer contains a large amount of data.
  • Suggestion: Consider adding an optional parameter to the flushGop method to allow the user to specify whether to flush only keyframes or all data. This would allow for more efficient processing in scenarios where only keyframes are needed.
  • Example:
void flushGop(std::function<void(const T &)> cb, bool flushKeyframesOnly = false) {
    LOCK_GUARD(_mtx_map);
    _storage->getCache().for_each([&](const List<std::pair<bool, T>> &lst) {
        lst.for_each([&](const std::pair<bool, T> &pr) {
            if (flushKeyframesOnly && !pr.first) {
                return; // Skip non-keyframes if requested
            }
            cb(pr.second);
        });
    });
}

2. Documentation

  • Issue: The new flushGop method lacks documentation.
  • Suggestion: Add a clear and concise docstring to the flushGop method, explaining its purpose, parameters, and return value.
/**
 * Flush all cached data to the provided callback function.
 *
 * @param cb The callback function to be called for each data element.
 * @param flushKeyframesOnly If true, only keyframes will be flushed.
 */
void flushGop(std::function<void(const T &)> cb, bool flushKeyframesOnly = false) {
    // ... implementation ...
}

Conclusion

This patch is a valuable addition to the RingBuffer class, providing a convenient way to retrieve all cached data. However, the potential performance bottleneck and lack of documentation should be addressed for optimal usability.

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