When DMA-BUFs are used, sometimes stride we get from PipeWire might contain additional padding, but after we import the buffer, the stride we used is no longer relevant and we should just calculate it based on width. Bug: chromium:1333304 Change-Id: Id4300550f0b3c539ddd749e9285f525d4f816b80 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/265384 Reviewed-by: Alexander Cooper <alcooper@chromium.org> Commit-Queue: Jan Grulich <grulja@gmail.com> Reviewed-by: Mark Foltz <mfoltz@chromium.org> Cr-Commit-Position: refs/heads/main@{#37195}