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pipeline: simple: Fix an issue in breadth-first search

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When seting up the pipeline, the latest entity in the queue is
taken but the oldest one is poped. This is a mistake. Fix it.

Fixes: 4671911df0 ("pipeline: simple: Use breadth-first search to setup media pipeline")
Signed-off-by: Phi-Bang Nguyen <pnguyen@baylibre.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
This commit is contained in:
Phi-Bang Nguyen
2021-04-02 17:10:43 +02:00
committed by Laurent Pinchart
parent c8cfa6650d
commit 0373490ef6
1 changed files with 3 additions and 3 deletions
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src/libcamera/pipeline/simple/simple.cpp
+3 -3
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@@ -287,12 +287,12 @@ SimpleCameraData::SimpleCameraData(SimplePipelineHandler *pipe,
/* Remember at each entity where we came from. */
std::unordered_map<MediaEntity *, Entity> parents;
queue.push(sensor);
MediaEntity *entity = nullptr;
queue.push(sensor);
while (!queue.empty()) {
entity = queue.back();
entity = queue.front();
queue.pop();
/* Found the capture device. */