diff options
| -rw-r--r-- | src/v4l2/v4l2_camera_proxy.cpp | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/src/v4l2/v4l2_camera_proxy.cpp b/src/v4l2/v4l2_camera_proxy.cpp index ec6d265d..a0c6deea 100644 --- a/src/v4l2/v4l2_camera_proxy.cpp +++ b/src/v4l2/v4l2_camera_proxy.cpp @@ -426,10 +426,10 @@ int V4L2CameraProxy::vidioc_dqbuf(struct v4l2_buffer *arg) !validateMemoryType(arg->memory)) return -EINVAL; - if (nonBlocking_ && !vcam_->bufferSema_.tryAcquire()) - return -EAGAIN; - else + if (!nonBlocking_) vcam_->bufferSema_.acquire(); + else if (!vcam_->bufferSema_.tryAcquire()) + return -EAGAIN; updateBuffers(); |