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authorNiklas Söderlund <niklas.soderlund@ragnatech.se>2020-03-04 23:54:08 +0100
committerNiklas Söderlund <niklas.soderlund@ragnatech.se>2020-03-06 17:45:48 +0100
commitb167158395e9238de99c1b6e5dac4f7394341df5 (patch)
treef1ed8b0e301b3c1c83483e76151b1b28d50938ce
parentbab5749227b38e62261c944480ed452833528464 (diff)
libcamera: V4L2BufferCache: Check for hot hit first
Check for a hot cache hit before updating which buffer is best to evict in case no hot hit is found. This doesn't change the behaviour, but follows a more logical flow. Suggested-by: Jacopo Mondi <jacopo@jmondi.org> Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
-rw-r--r--src/libcamera/v4l2_videodevice.cpp6
1 files changed, 3 insertions, 3 deletions
diff --git a/src/libcamera/v4l2_videodevice.cpp b/src/libcamera/v4l2_videodevice.cpp
index 268de60b..c495de85 100644
--- a/src/libcamera/v4l2_videodevice.cpp
+++ b/src/libcamera/v4l2_videodevice.cpp
@@ -212,15 +212,15 @@ int V4L2BufferCache::get(const FrameBuffer &buffer)
if (!entry.free)
continue;
- if (use < 0)
- use = index;
-
/* Try to find a cache hit by comparing the planes. */
if (entry == buffer) {
hit = true;
use = index;
break;
}
+
+ if (use < 0)
+ use = index;
}
if (!hit)