Research Article
A No-Reference Modular Video Quality Prediction Model for H.265/HEVC and VP9 Codecs on a Mobile Device
Table 3
Encoder configuration for VP9 codec.
| Parameter | Details |
| Encoder version | Ffmpeg 3.1.3 | Encoding quality | Best | Number of passes | 2 | Bit rate control mode | Variable bit rate (VBR defined by target bit rate) | Constrained quality (CQ) level | Same as quantization Parameter QP | Initial, optimal, and maximum buffer level | 4000 ms, 5000 ms, 6000 ms | GOP size | Auto | GOP length (intraperiod) | 320 | Internal bit depth | 8 |
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