Camera: Don't drop preview buffers during video
In case the camera device supports ZSL, avoid dropping
preview buffers while video recording is active. Preview
must not get interrupted in this case.
Bug: 117640175
Test: Manual using application, Camera CTS
Change-Id: I9021b4c46428e008298ddef0a86972640b0afa41
diff --git a/services/camera/libcameraservice/api1/client2/CaptureSequencer.cpp b/services/camera/libcameraservice/api1/client2/CaptureSequencer.cpp
index f42cdd3..97f7fdc 100644
--- a/services/camera/libcameraservice/api1/client2/CaptureSequencer.cpp
+++ b/services/camera/libcameraservice/api1/client2/CaptureSequencer.cpp
@@ -551,9 +551,11 @@
return DONE;
}
- if (l.mParameters.isDeviceZslSupported) {
+ if ((l.mParameters.isDeviceZslSupported) && (l.mParameters.state != Parameters::RECORD) &&
+ (l.mParameters.state != Parameters::VIDEO_SNAPSHOT)) {
// If device ZSL is supported, drop all pending preview buffers to reduce the chance of
// rendering preview frames newer than the still frame.
+ // Additionally, preview must not get interrupted during video recording.
client->getCameraDevice()->dropStreamBuffers(true, client->getPreviewStreamId());
}