Merge commit '84665f6dc2d0b5dfa6a46463677c51f2b670e511' * commit '84665f6dc2d0b5dfa6a46463677c51f2b670e511': Reduce memory usage by the MP4 file writer
Merge commit '84665f6dc2d0b5dfa6a46463677c51f2b670e511' * commit '84665f6dc2d0b5dfa6a46463677c51f2b670e511': Reduce memory usage by the MP4 file writer