I discovered your program is great.
Too bad it's missing this codec encoder I use a lot webm videos for Youtube that are of good quality.
Container: .mp4
- No Edit Lists (or you may lose AV sync)
- moov atom at the front of the file (Fast Start)
Audio Codec: AAC-LC
- Channels: Stereo or Stereo + 5.1
- Sample rate 96khz or 48 khz
Video Codec: H.264
- Progressive scan (no interlacing)
- High Profile
- 2 consecutive B frames
- Closed GOP. GOP of half the frame rate.
- CABAC
- Variable bitrate. No bitrate limit required, though we offer recommended bit rates below for reference
- Color Space: 4.2.0
source: Youtube Advanced encoding settings: Recommended bitrates, codecs, and resolutions, and more (http://support.google.com/youtube/bin/static.py?hl=en&page=ts.cs&ts=2888402)
Perhaps developer(s) can consider to use/provide VP8 functionality. WebM and VP8 are open-source. Developer Overview (http://www.webmproject.org/code/)