Endeavour Hevc 100%

| Metric | x265 | Endeavour (Typical Implementation) | |--------|------|--------------------------------------| | | 5–15 fps (on a single CPU core) | 1–3 fps (higher complexity RDO) | | Compression efficiency | Baseline | 10–25% better at same PSNR | | Latency | 100–300 ms (with lookahead) | As low as 10 ms (tile/slice mode) | | Memory footprint | ~2 GB per 4K stream | Up to 8 GB (due to large CTU and search buffers) |

1. Introduction & Context In the landscape of video compression, HEVC (High Efficiency Video Coding, H.265) has become the standard for 4K, HDR, and high-bitrate streaming. However, the reference software encoder provided by the Joint Collaborative Team on Video Coding (JM) is notoriously slow and impractical for production. This gap has led to the development of numerous open-source and proprietary HEVC encoders, including x265 , Kvazaar , and the lesser-known but purpose-driven Endeavour HEVC . endeavour hevc