Mpeg-2 - Telestream Lightspeed Live Capture User Manual

Appendix B: Containers, Codecs, and Vantage Actions 279
TIFO Output
Note: When the CUDA Memory Limit is set to 0, GPU processing is disabled.
CUDA Tile Limit. Specifies the CUDA tile limit.
Encoder Queue Size. Specifies the encoder queue size.
Encode Less VBI. When checked, the codec removes the top 32 lines for SD sources
that contain VBI data, ignoring more VBI lines in favor of frame size, in both NTSC and
PAL. In NTSC (512), the video is 486 lines; in PAL (608), the video is 576 lines.

MPEG-2

Bit Rate (in kbps)
- Between 512 and 800,000
GOP Structure
Sets the GOP Structure as a combination of I frames, B frames, and P frames.
I frame-only structures have a lower visual quality but are well suited for editing. Longer
GOP structures have higher visual quality and are best suited for playout.
GOP Configuration
Specifies the type of GOP structure: Open GOP or Closed GOP.
Start with I Frame
When checked, specifies that the GOP start with an I-frame (display and coded order).
Motion Estimation Factor
Indicates how much motion estimation to use when encoding the video stream. A
higher value results in higher quality and increases the encode time. The default is 80
and the range is 1 to 100.
Profile
- High
- Main
- 4:2:2
Level
- High
- High 1440
- Main
Lightspeed Live Capture User Guide