Eternity Libvpx | 2024 |

git clone -b eternity https://gitlab.com/eternity-codec/libvpx.git cd libvpx ./configure --enable-eternity-mode --enable-shared --disable-unit-tests make -j$(nproc) sudo make install The --enable-eternity-mode flag activates the perpetual stream patches. Eternity Libvpx – because video shouldn't forget it's still running.

Here’s a technical write-up for , structured as if for an internal engineering or open-source project documentation. Eternity Libvpx: Optimized VP8/VP9 Encoding for Long-Duration Streams 1. Overview Eternity Libvpx is a hardened, long-running fork and configuration suite of the libvpx codec (VP8/VP9). It is designed to address the unique challenges of unbounded, continuous encoding — such as 24/7 live streaming, security camera feeds, and long-term archiving. eternity libvpx

| Metric | Stock libvpx (v1.13) | Eternity Libvpx | |--------|----------------------|------------------| | Max PSNR drop after 24h | -2.1 dB | -0.3 dB | | Bitrate error (48h avg) | +11% | +1.8% | | Memory growth | 78 MB → 340 MB | 78 MB → 89 MB | | Forced keyframes (non-scene) | 0 (stale references) | 24 (healthy refresh) | | Encoder crashes | 2 (OOM / reference overflow) | 0 | Added to vpx_codec_enc_cfg : git clone -b eternity https://gitlab

typedef struct unsigned int eternity_mode; // 0=off, 1=perpetual stream unsigned int max_total_frames; // 0 = unlimited unsigned int rate_recalc_interval; // frames between rate re-calibration int enable_watchdog; // self-healing thread int reference_decay_factor; // 0-100, how aggressively old frames are pruned vpx_eternity_ext_cfg; Usage example: | Metric | Stock libvpx (v1