framework/font.ts                       |   2 +-
 lib/subprocess/ffmpeg.ts                |   2 +-
 src/file-viewer/bin/file-scan.ts        | 106 ++++++----
 src/file-viewer/bin/file-trim.ts        |   3 +-
 src/file-viewer/transcode-rules.test.ts | 352 ++++++++++++++++++++++++++++++++
 src/file-viewer/transcode-rules.ts      | 207 ++++++++++++++-----
 6 files changed, 570 insertions(+), 102 deletions(-)