It is presented a video stream provider for providing an output video stream. The video stream provider comprises: a processor; and a memory storing instructions that, when executed by the processor, causes the video stream provider to: receive a first video stream comprising a plurality of video frames, the first video stream being a main video stream; receive a second video stream comprising a plurality of video frames, wherein the video frames of the second video stream correspond to the video frames of the first video stream, the second video stream being a complementary video stream; determine a corrupted video frame of the main video stream; replace the corrupted video frame with a corresponding video frame from the complementary video stream to generate an output video stream; and output the output video stream.