V4L2EncodeComponent: clamp framerate to at least 1 on dynamic framerate change...

V4L2EncodeComponent: clamp framerate to at least 1 on dynamic framerate change am: 39f241ae am: 09a22ed5

Original change: https://googleplex-android-review.googlesource.com/c/platform/external/v4l2_codec2/+/18707983



Change-Id: Ib57ecdfc2eb6e142ad4d6459769ce51e79a3f8e7
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>

components/V4L2EncodeComponent.cpp

@@ -756,8 +756,8 @@ bool V4L2EncodeComponent::encode(C2ConstGraphicBlock block, uint64_t index, int6
     // Dynamically adjust framerate based on the frame's timestamp if required.
     constexpr int64_t kMaxFramerateDiff = 5;
     if (mLastFrameTime && (timestamp > *mLastFrameTime)) {
-        int64_t newFramerate =
-                static_cast<int64_t>(std::round(1000000.0 / (timestamp - *mLastFrameTime)));
+        int64_t newFramerate = std::max(
+                static_cast<int64_t>(std::round(1000000.0 / (timestamp - *mLastFrameTime))), 1LL);
         if (abs(mFramerate - newFramerate) > kMaxFramerateDiff) {
             ALOGV("Adjusting framerate to %" PRId64 " based on frame timestamps", newFramerate);
             mInterface->setFramerate(static_cast<uint32_t>(newFramerate));