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MPEG-TS video codecs

Available are settings for the chosen video codec that define quality vs. speed difference:

H.262

  • Profile – Simple, Main, High
  • GOP size – the distance between two I-frames
  • B count – number of B-frames between two P-frames

H.264

  • Coding – CABAC, CAVLC
  • Profile – Baseline, Main, High
  • Refresh mode – IDR
    • Every GOP starts with an IDR I-frame containing the whole picture
    • GOP size – the distance between two I-frames
    • B count – number of B-frames between two P-frames
  • Refresh mode – GDR (intra-refresh)
    • At the start of each Refresh Period, the encoder inserts Refresh Count P-frames, each refreshing a portion of the picture (one row in NVEnc, one column in the CPU encoder). The remainder of the period consists of regular P-frames. There are no I-frames or B-frames.
    • Use it to avoid bitrate spikes
    • Refresh Period – the distance (frames) between two intra refreshes
    • Refresh Count – number of frames used to refresh the whole picture. Must be equal to or less than Refresh Period. CPU encoder requires Refresh Count to equal Refresh Period.

H.265

  • Profile – Main10, Main
  • GOP size – the distance between two I-frames
  • B count – number of B-frames between two P-frames

In case you need multiple similar output streams within one pipeline, you can clone the output stream by hovering over the stream’s name in the middle pane and clicking on the cloned symbol.

Figure 44: OUTPUT STREAM MOUSE OVER
Figure 44: OUTPUT STREAM MOUSE OVER