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{{#seo: |title=Vita Homebrew Apps (Utilities) - GameBrew |title_mode=append |image=VitaRPS5.png |image_alt=VitaRPS5 }} VitaRPS5 is a fork of ywnico's [[Vitaki Fork]], which itself is based on AAGaming's original Chiaki port [[Vitaki]]. This project provides PlayStation 5 Remote Play functionality on the PS Vita. This is an enhanced version with modern UI, optimized performance, and quality-of-life improvements. ==Features== * '''Modern UI''' — Card-based console selection, wave navigation sidebar, tabbed settings, PlayStation-themed design. * '''Low-Latency Streaming''' — Tuned thread priorities, 500Hz input polling, optimized network buffers. * '''Controller Customization''' — 3 custom preset slots, fullscreen interactive controller diagram with front and back views. * '''Smart Connection Flow''' — Auto-discovery, animated wake-up with progress countdown, automatic streaming start. * '''PSN Internet Remote Play''' — Sign in with PSN to stream from outside your home network via UPnP NAT traversal (works on most home networks; falls back gracefully on restrictive ones). * '''Packet-Loss Recovery''' — Reconnecting overlay, automatic bitrate adjustment, seamless retry without crashing. * '''Flexible Video Settings''' — Latency presets (ultra-low to max), fill/letterbox toggle, 30/60 FPS control. * '''Full Control Support''' — All buttons mapped including L2/R2/L3/R3, touchpad, and motion controls. ==Installation== * Download the latest <code>.vpk</code> from [https://github.com/mauricio-gg/vitaki-vitarps5/releases/latest Releases]. * Transfer the VPK to your PS Vita. * Install using [[VitaShell]] or your preferred installer. For usage please see [[Vitaki Fork]]. ==Screenshots== https://dlhb.gamebrew.org/vitahomebrews/images/VitaRPS5-01.png https://dlhb.gamebrew.org/vitahomebrews/images/VitaRPS5-02.png https://dlhb.gamebrew.org/vitahomebrews/images/VitaRPS5-03.png ==Changelog== '''v3.0.1''' * fix(psn): prevent crash when selecting PS5 card with holepunch active ([https://github.com/mauricio-gg/vitaki-vitarps5/pull/174 #174] regression) ([https://github.com/mauricio-gg/vitaki-vitarps5/pull/175 #175]) ([https://github.com/mauricio-gg/vitaki-vitarps5/commit/75750e4a7a88cbf551c65f08b65028867c1caa28 75750e4]) '''v3.0.0''' * fix(psn): unbreak prod build and enable PSN holepunch by default ([https://github.com/mauricio-gg/vitaki-vitarps5/pull/174 #174]) ([https://github.com/mauricio-gg/vitaki-vitarps5/commit/f5d2abdbf4d1a8fe03046f3e66110838c2880c61 f5d2abd]) * fix(psn): unbreak prod build and enable PSN holepunch by default ([https://github.com/mauricio-gg/vitaki-vitarps5/pull/174 #174]) ([https://github.com/mauricio-gg/vitaki-vitarps5/commit/5bfb020bfb034bc7a4eb3d3652fa5e66ff99af6f 5bfb020]) * fix(ctrl): add missing #include <chiaki/random.h> to fix build ([https://github.com/mauricio-gg/vitaki-vitarps5/pull/173 #173]) ([https://github.com/mauricio-gg/vitaki-vitarps5/commit/169b4544f4dc012d15d5d6510c5c8f2ac03286e4 169b454]) * fix(config): write host->server_mac instead of rhost->server_mac when serializing registered hosts ([https://github.com/mauricio-gg/vitaki-vitarps5/pull/172 #172]) ([https://github.com/mauricio-gg/vitaki-vitarps5/commit/97f4256fb46eb0e5f2691f0c2f406debfa0ab3be 97f4256]) * fix(psn): unify auth status color and label from single state snapshot ([https://github.com/mauricio-gg/vitaki-vitarps5/pull/167 #167]) ([https://github.com/mauricio-gg/vitaki-vitarps5/commit/a26c246085c7069774f17cdcf5db6e645205785b a26c246]) * docs(readme): update screenshots, move support button, fix CI badge for 3.0.0 ([https://github.com/mauricio-gg/vitaki-vitarps5/pull/168 #168]) ([https://github.com/mauricio-gg/vitaki-vitarps5/commit/385e40dcb6c30be331faa8cc3859bd8ba79b54ed 385e40d]) * fix(build): bump nanopb 0.4.6 → 0.4.9.1 to fix CI submodule fetch ([https://github.com/mauricio-gg/vitaki-vitarps5/pull/166 #166]) ([https://github.com/mauricio-gg/vitaki-vitarps5/commit/6bac34183abc2ee3f81890818765af62dfe21ee1 6bac341]) * fix(psn): enforce PONG < PING interval with _Static_assert ([https://github.com/mauricio-gg/vitaki-vitarps5/pull/165 #165]) ([https://github.com/mauricio-gg/vitaki-vitarps5/commit/1a5caa66e80ad81aa437cfcdfa3f580f9377e489 1a5caa6]) * fix(psn): auto-refresh token on startup and during idle, persist on every refresh ([https://github.com/mauricio-gg/vitaki-vitarps5/pull/161 #161]) ([https://github.com/mauricio-gg/vitaki-vitarps5/commit/d6b6ca556301e6db992eeb69f15815904ce42e8c d6b6ca5]) * fix(psn): throttle WebSocket ping interval + reduce NAT socket burst ([https://github.com/mauricio-gg/vitaki-vitarps5/pull/150 #150]) ([https://github.com/mauricio-gg/vitaki-vitarps5/commit/6cc979a531e20985d53df751411a3dd714f0337d 6cc979a]) * fix(psn): lower default bitrate to 3.5 Mbps on PSN/internet path ([https://github.com/mauricio-gg/vitaki-vitarps5/pull/149 #149]) ([https://github.com/mauricio-gg/vitaki-vitarps5/commit/24e99f0d3f870086bad0be66219c2abb932c9c26 24e99f0]) * refactor(vita-dns): replace forward-decl blocks with vita_resolve.h include ([https://github.com/mauricio-gg/vitaki-vitarps5/pull/159 #159]) ([https://github.com/mauricio-gg/vitaki-vitarps5/commit/8e04c9f274d2d0a2e1f3e4855cc278cde8985e29 8e04c9f]) * fix(vita-dns): extend sceNetResolverStartNtoa bypass to STUN UDP sockets ([https://github.com/mauricio-gg/vitaki-vitarps5/pull/158 #158]) ([https://github.com/mauricio-gg/vitaki-vitarps5/commit/500c44420c6365a90b11dd4aedfcb0b06c95cb00 500c444]) * fix(psn): copy device UID when deduplicating LAN+PSN_REMOTE hosts ([https://github.com/mauricio-gg/vitaki-vitarps5/commit/37ed9d5c1716176a8a77f8c05fe27c323c123e81 37ed9d5]) * fix(vita-dns): bypass broken getaddrinfo in libcurl 8.17+ on PS Vita ([https://github.com/mauricio-gg/vitaki-vitarps5/commit/2c83f07bfb1542d2e7c4c5ddd01169e8ee992d8b 2c83f07]) * fix(net): SO_SNDBUF symmetric tuning + Senkusha 1ms RTT fallback fix ([https://github.com/mauricio-gg/vitaki-vitarps5/commit/f73f7dd9c5fc74ba9022020d7d580c4c05585c58 f73f7dd]) * fix(build): bump cmake_minimum_required to 3.5 for CMake 4.1 compat ([https://github.com/mauricio-gg/vitaki-vitarps5/commit/3295c79ce1b7f3c08a63c9f674a8df4ceec662f2 3295c79]) * chore: bump version to 0.1.739 ([https://github.com/mauricio-gg/vitaki-vitarps5/commit/e338a5ca8b480cd5b38efe706a0a1574417c1824 e338a5c]) * fix(build): complete GCC 15 compatibility for miniupnpc stub headers ([https://github.com/mauricio-gg/vitaki-vitarps5/commit/1808b1fb3170f3d87acea7b5dfea4123c4eb72e0 1808b1f]) * fix(build): replace -Dgai_strerror=strerror macro with netdb.h stub ([https://github.com/mauricio-gg/vitaki-vitarps5/commit/796ff483c56080ad7ebd0dd118dea57420654d8f 796ff48]) * fix(vita2d): null-check malloc result in texture_atlas_insert ([https://github.com/mauricio-gg/vitaki-vitarps5/pull/147 #147]) ([https://github.com/mauricio-gg/vitaki-vitarps5/commit/39187cc971054653475ee4148c747e55c2c7eeb3 39187cc]) * fix(ui): 2x supersampled atlas + LINEAR for smooth text at all sizes ([https://github.com/mauricio-gg/vitaki-vitarps5/pull/146 #146]) ([https://github.com/mauricio-gg/vitaki-vitarps5/commit/0fa03dec7c3a5beb7a414c8d3354dc7d339926d8 0fa03de]) * fix(ui): prevent force_psn_holepunch leak on early return ([https://github.com/mauricio-gg/vitaki-vitarps5/pull/144 #144]) ([https://github.com/mauricio-gg/vitaki-vitarps5/commit/8c9368d6fb0a9848ac84cc63d489d55c2f6305b2 8c9368d]) * fix(ui): dedup PSN remote cards + LAN/Internet connection choice ([https://github.com/mauricio-gg/vitaki-vitarps5/pull/143 #143]) ([https://github.com/mauricio-gg/vitaki-vitarps5/commit/55b1e7c988716c24fb3c9762b0bc7c0c45234500 55b1e7c]) * fix(ui): shrink QR margin, wrap login URL to 2 lines ([https://github.com/mauricio-gg/vitaki-vitarps5/issues/134 #134]) ([https://github.com/mauricio-gg/vitaki-vitarps5/pull/142 #142]) ([https://github.com/mauricio-gg/vitaki-vitarps5/commit/b6ddc444f9b72a16bcf25009cb8a7924d65a3985 b6ddc44]) * feat(ui): batch 3 — migrate 82 text draws to ui_text_* helpers ([https://github.com/mauricio-gg/vitaki-vitarps5/issues/127 #127]) ([https://github.com/mauricio-gg/vitaki-vitarps5/pull/141 #141]) ([https://github.com/mauricio-gg/vitaki-vitarps5/commit/98a649adc2e30cfd68581c5e60c6fbe47ce8d9de 98a649a]) * feat(ui): batch 4 — migrate video_overlay.c text draws + UI_LOSS_INDICATOR_DOT_TEXT_GAP ([https://github.com/mauricio-gg/vitaki-vitarps5/issues/127 #127]) ([https://github.com/mauricio-gg/vitaki-vitarps5/pull/140 #140]) ([https://github.com/mauricio-gg/vitaki-vitarps5/commit/4182ac6103ccace2f53f83cabc753f8b990b5977 4182ac6]) * refactor(ui): mint FONT_SIZE_CARD_TITLE / FONT_SIZE_HOME_HEADER ([https://github.com/mauricio-gg/vitaki-vitarps5/issues/138 #138]) ([https://github.com/mauricio-gg/vitaki-vitarps5/pull/139 #139]) ([https://github.com/mauricio-gg/vitaki-vitarps5/commit/e3d102768098744c33842136f0d354905e36244d e3d1027]) * feat(ui): batch 2 — migrate 49 text draws to ui_text_* helpers ([https://github.com/mauricio-gg/vitaki-vitarps5/issues/127 #127]) ([https://github.com/mauricio-gg/vitaki-vitarps5/pull/137 #137]) ([https://github.com/mauricio-gg/vitaki-vitarps5/commit/d46d32ecf844288be79f86314f07a6ef083df1b9 d46d32e]) * feat(ui): batch 1 — migrate text draws to ui_text_* helpers ([https://github.com/mauricio-gg/vitaki-vitarps5/issues/127 #127]) ([https://github.com/mauricio-gg/vitaki-vitarps5/pull/136 #136]) ([https://github.com/mauricio-gg/vitaki-vitarps5/commit/f9e5e98f03a4deacc65a72663b409ed6de130028 f9e5e98]) * feat(ui): pre-warmed FreeType glyph atlases per pt size ([https://github.com/mauricio-gg/vitaki-vitarps5/issues/127 #127]) ([https://github.com/mauricio-gg/vitaki-vitarps5/pull/135 #135]) ([https://github.com/mauricio-gg/vitaki-vitarps5/commit/1c0dfc4d39f6be40b4a84c02eda5b69b87912d7e 1c0dfc4]) * feat(ui): MSAA 4x + linear filtering on UI textures ([https://github.com/mauricio-gg/vitaki-vitarps5/issues/123 #123], [https://github.com/mauricio-gg/vitaki-vitarps5/issues/124 #124]) ([https://github.com/mauricio-gg/vitaki-vitarps5/pull/132 #132]) ([https://github.com/mauricio-gg/vitaki-vitarps5/commit/81a3b23751f461b1636baed7fbddba20574a4027 81a3b23]) * fix(psn_auth): guard UTF-8 helpers against out-of-range codepoints ([https://github.com/mauricio-gg/vitaki-vitarps5/issues/120 #120]) ([https://github.com/mauricio-gg/vitaki-vitarps5/pull/131 #131]) ([https://github.com/mauricio-gg/vitaki-vitarps5/commit/f7c8d357290fd4dfeb944bd5297687b726fdb5bf f7c8d35]) * fix(ui): PR [https://github.com/mauricio-gg/vitaki-vitarps5/pull/121 #121] follow-up cleanup ([https://github.com/mauricio-gg/vitaki-vitarps5/issues/129 #129]) ([https://github.com/mauricio-gg/vitaki-vitarps5/pull/130 #130]) ([https://github.com/mauricio-gg/vitaki-vitarps5/commit/215096b649754b097e6093ad3e711d39b2a1881e 215096b]) * feat(ui): explicit PSN log-out button + Connection card declutter ([https://github.com/mauricio-gg/vitaki-vitarps5/issues/92 #92]) ([https://github.com/mauricio-gg/vitaki-vitarps5/pull/121 #121]) ([https://github.com/mauricio-gg/vitaki-vitarps5/commit/44d0e86f34d546c1749bb287e37e591024e24fe4 44d0e86]) * psn_auth: decode \uXXXX JSON escapes to UTF-8 ([https://github.com/mauricio-gg/vitaki-vitarps5/issues/109 #109]) ([https://github.com/mauricio-gg/vitaki-vitarps5/pull/117 #117]) ([https://github.com/mauricio-gg/vitaki-vitarps5/commit/eb10f0815dde542705fdd991e06a771d817a41fe eb10f08]) * feat: encrypt persisted PSN OAuth tokens on Vita ([https://github.com/mauricio-gg/vitaki-vitarps5/issues/81 #81]) ([https://github.com/mauricio-gg/vitaki-vitarps5/pull/118 #118]) ([https://github.com/mauricio-gg/vitaki-vitarps5/commit/2a8f8780420fb12b702cb630fdfc78c325edb182 2a8f878]) * holepunch: bundled hardening follow-ups ([https://github.com/mauricio-gg/vitaki-vitarps5/issues/111 #111], [https://github.com/mauricio-gg/vitaki-vitarps5/issues/112 #112], [https://github.com/mauricio-gg/vitaki-vitarps5/issues/113 #113]) ([https://github.com/mauricio-gg/vitaki-vitarps5/pull/116 #116]) ([https://github.com/mauricio-gg/vitaki-vitarps5/commit/3c94a82a7c3a26da23e692e1e4a470d2a9cce271 3c94a82]) * Internet remote play: PSN OAuth & holepunch security hardening ([https://github.com/mauricio-gg/vitaki-vitarps5/pull/108 #108]) ([https://github.com/mauricio-gg/vitaki-vitarps5/commit/777932e608e81799ce61bf6d6d6cb074d387cf87 777932e]) * chore: add clang-format + cppcheck CI gate, normalize vita/ ([https://github.com/mauricio-gg/vitaki-vitarps5/pull/107 #107]) ([https://github.com/mauricio-gg/vitaki-vitarps5/commit/8938fcd918a45328c66bcdd292cd8f48d0d31efc 8938fcd]) * Redact PSN OAuth credentials in logs + fix auth_write_cb ([https://github.com/mauricio-gg/vitaki-vitarps5/pull/106 #106]) ([https://github.com/mauricio-gg/vitaki-vitarps5/commit/f7cfa38c99c63129d4ac4601f06d998dd1505a16 f7cfa38]) * feat: enable PSN internet remote play on Vita (UPnP + holepunch fixes) ([https://github.com/mauricio-gg/vitaki-vitarps5/pull/95 #95]) ([https://github.com/mauricio-gg/vitaki-vitarps5/commit/32dac1ca8a9e607c961b9acc3a6bccd1af6b374e 32dac1c]) * Revamp README as standalone VitaRPS5 product page ([https://github.com/mauricio-gg/vitaki-vitarps5/pull/80 #80]) ([https://github.com/mauricio-gg/vitaki-vitarps5/commit/c2b02fbf541750bc6fc3ec57598be76ea9a9f29d c2b02fb]) '''v2.1.2''' * Fix production log writes and add UI logging toggle ([https://github.com/mauricio-gg/vitaki-vitarps5/pull/79 #79]) ([https://github.com/mauricio-gg/vitaki-vitarps5/commit/fb34cc145a4df5b801ae67a024bf1891938fa26f fb34cc1]) '''v2.1.1''' * Fix random video freeze in cascade-skip recovery ([https://github.com/mauricio-gg/vitaki-vitarps5/pull/76 #76]) ([https://github.com/mauricio-gg/vitaki-vitarps5/commit/2095e988f2b5bf7859af3ae1a0f9d01f97cd1ca9 2095e98]) '''v2.1.0''' * Consolidate front-touch control mapping helpers into shared set_ctrl_l2pos/set_ctrl_r2pos ([https://github.com/mauricio-gg/vitaki-vitarps5/pull/75 #75]) ([https://github.com/mauricio-gg/vitaki-vitarps5/commit/d14a455118685727d5064c2aa1bae4080946e1d6 d14a455]) * Fix connection startup by restoring credential hydration and host merge integrity ([https://github.com/mauricio-gg/vitaki-vitarps5/pull/74 #74]) ([https://github.com/mauricio-gg/vitaki-vitarps5/commit/912c99385073fb7bdce3189c7f875ab9c5c9d93b 912c993]) * Fix touchpad mapping by emitting touch events ([https://github.com/mauricio-gg/vitaki-vitarps5/pull/71 #71]) ([https://github.com/mauricio-gg/vitaki-vitarps5/commit/98416d71ba09d10c90e6676bfed01bdcc7ce62f3 98416d7]) * Fix host list compaction stall in update_context_hosts ([https://github.com/mauricio-gg/vitaki-vitarps5/pull/72 #72]) ([https://github.com/mauricio-gg/vitaki-vitarps5/commit/d64d7f9b4adeb1648639a892e2472033be80bf75 d64d7f9]) * UI cleanup wave 2: simplify ui_screens flow ([https://github.com/mauricio-gg/vitaki-vitarps5/pull/70 #70]) ([https://github.com/mauricio-gg/vitaki-vitarps5/commit/ef037c4c7a28cfd9a121b526bc7c77f7617eb20e ef037c4]) * Codebase cleanup wave 1: simplify inflated non-UI modules ([https://github.com/mauricio-gg/vitaki-vitarps5/pull/69 #69]) ([https://github.com/mauricio-gg/vitaki-vitarps5/commit/794c65d63b68861a4fd103ff50249d3898c3683c 794c65d]) * Unify stream stability path and remove recovery profile toggle ([https://github.com/mauricio-gg/vitaki-vitarps5/pull/68 #68]) ([https://github.com/mauricio-gg/vitaki-vitarps5/commit/7fe4ebf8abb738a8d4e1bbfc9abcbdff5a160478 7fe4ebf]) * Multi-console discovery: carousel polish + touch swipe ([https://github.com/mauricio-gg/vitaki-vitarps5/pull/67 #67]) ([https://github.com/mauricio-gg/vitaki-vitarps5/commit/5aec16f7ae045a896f6aff54fe26431b3a1119c2 5aec16f]) * FPS health investigation: root cause analysis and P0-P2 recovery improvements ([https://github.com/mauricio-gg/vitaki-vitarps5/pull/66 #66]) ([https://github.com/mauricio-gg/vitaki-vitarps5/commit/e17249b35ac16dad68a8ee53822ea65985fa5322 e17249b]) * Startup burst rework: robust streaming pipeline with deferred finalization ([https://github.com/mauricio-gg/vitaki-vitarps5/pull/65 #65]) ([https://github.com/mauricio-gg/vitaki-vitarps5/commit/f5ac7d98516b7e27b305ac4ac79aa29f97344dbf f5ac7d9]) * Feat/stability baseline packet path ([https://github.com/mauricio-gg/vitaki-vitarps5/pull/63 #63]) ([https://github.com/mauricio-gg/vitaki-vitarps5/commit/5d7da67e188167f69e212824b01ad97c2fc17a5a 5d7da67]) * Refactor UI modal ownership to remove scattered guard checks ([https://github.com/mauricio-gg/vitaki-vitarps5/pull/61 #61]) ([https://github.com/mauricio-gg/vitaki-vitarps5/commit/a254b872cb5072829844c73c922274e671517c92 a254b87]) * UX cleanup, stream overlays, and periodic latency refresh ([https://github.com/mauricio-gg/vitaki-vitarps5/pull/60 #60]) ([https://github.com/mauricio-gg/vitaki-vitarps5/commit/2989316486eb78c4ddac5a8d2894d52962c7b821 2989316]) * Bugfixes UI and unrequired settings ([https://github.com/mauricio-gg/vitaki-vitarps5/pull/59 #59]) ([https://github.com/mauricio-gg/vitaki-vitarps5/commit/e0859d0b37dbf114302b19f5df562063203b057e e0859d0]) * Fix settings persistence across restarts ([https://github.com/mauricio-gg/vitaki-vitarps5/pull/58 #58]) ([https://github.com/mauricio-gg/vitaki-vitarps5/commit/fb729704ab988d4335683747e47574b002eaaeb3 fb72970]) * feat: add L1/R1 shoulder remapping in controller mapping UI ([https://github.com/mauricio-gg/vitaki-vitarps5/pull/57 #57]) ([https://github.com/mauricio-gg/vitaki-vitarps5/commit/90fcfae2e1539d20655a04f5182b785c79f20bec 90fcfae]) '''v2.0.3''' * fix: Complete back-panel controller mapping overhaul ([https://github.com/mauricio-gg/vitaki-vitarps5/pull/54 #54]) ([https://github.com/mauricio-gg/vitaki-vitarps5/commit/23981484532e057c98db6cac4a7f206f92b4fa1e 2398148]). '''v2.0.2''' * fix: Prevent production builds from creating verbose logs ([https://github.com/mauricio-gg/vitaki-vitarps5/pull/51 #51]) ([https://github.com/mauricio-gg/vitaki-vitarps5/commit/a9e65d9724d938dc4efa1f3f2472b6137653a30b a9e65d9]) '''v2.0.1''' * feat: Graceful PS5 sleep/shutdown handling with thread cleanup ([https://github.com/mauricio-gg/vitaki-vitarps5/pull/50 #50]) ([https://github.com/mauricio-gg/vitaki-vitarps5/commit/75c5763858c1344f5c6c6ae0d3d93a792a301ead 75c5763]) == * docs: Add IP_DONTFRAG experimental results to abandoned optimizations ([https://github.com/mauricio-gg/vitaki-vitarps5/pull/49 #49]) ([https://github.com/mauricio-gg/vitaki-vitarps5/commit/b4f9f78f74f4e2e591dc9bed9a9742c707dec2d0 b4f9f78]) * docs: Document abandoned dual callback optimization investigation ([https://github.com/mauricio-gg/vitaki-vitarps5/pull/48 #48]) ([https://github.com/mauricio-gg/vitaki-vitarps5/commit/0eb1baf8fd899032a4fa23866195ef027b927078 0eb1baf]) * feat: Add adaptive jitter buffer to eliminate head-of-line blocking ([https://github.com/mauricio-gg/vitaki-vitarps5/pull/46 #46]) ([https://github.com/mauricio-gg/vitaki-vitarps5/commit/dfba5741cab7cd1cea8a58345ecef558f6577532 dfba574]) * Replace local screenshot paths with new screenshots ([https://github.com/mauricio-gg/vitaki-vitarps5/pull/45 #45]) ([https://github.com/mauricio-gg/vitaki-vitarps5/commit/fb5a3623f875304bdd9f4180f623d3a576ed14e4 fb5a362]) * docs: Update README and TODO with latest improvements ([https://github.com/mauricio-gg/vitaki-vitarps5/pull/44 #44]) ([https://github.com/mauricio-gg/vitaki-vitarps5/commit/49fa235638929d099954757ca37a307d206e23f5 49fa235]) '''v2.0.0''' *'''Thread Priority & CPU Affinity Tuning''' ** '''Input thread priority increased to 96''' (from default) and '''pinned to CPU 1''' to avoid contention with media processing (<code>vita/src/host.c:1194-1195</code>) ** '''Audio thread priority set to 64''' and '''pinned to CPU 0''' for consistent audio mixing without dropouts (<code>vita/src/audio.c:144-145</code>) ** '''Video decoder thread priority 64''' and '''pinned to CPU 0''' for optimal hardware acceleration (<code>vita/src/video.c:691-692</code>) ** Result: Input processing now takes precedence over all other tasks, reducing controller-to-network latency *'''Input Polling Optimization''' ** '''Reduced input polling interval from 5ms to 2ms''' - effectively 500Hz sampling rate (<code>vita/src/host.c:1203</code>) ** Adaptive sleep alignment prevents CPU waste while maintaining tight sampling ** Controller state changes are detected and transmitted 2.5× faster than before *'''Network Receive Queue Optimization''' ** '''Trimmed Takion reorder queue from 128 to 64 packets''' on Vita builds to reduce buffering latency (<code>lib/src/takion.c:47</code>) ** Added overflow logging with rate limiting to monitor packet loss without spam ** Implemented automatic drop detection and recovery for degraded network conditions ** Result: Lower end-to-end network latency, especially on clean connections *'''Packet Loss Fallback System''' ** Automatic bitrate reduction when frame drops detected (Ultra Low → 800 Kbps emergency mode) ** "Reconnecting..." overlay with seamless resume instead of crashing to menu ** Keeps controller input flowing during recovery to avoid input gaps (<code>vita/src/host.c:1248-1252</code>) ** Up to 2 automatic retry attempts before returning to menu *Video Pipeline Optimizations ** '''VBlank wait disabled''' during streaming to eliminate vsync latency (<code>vita/src/video.c:872</code>) ** '''Frame presentation uncapped''' for minimal display lag ** '''30 FPS lock by default''' reduces bandwidth and decode workload (configurable to 60 FPS in settings) *Measured Impact **According to <code>docs/LATENCY_QUICK_WINS.md</code>, these optimizations deliver: *** '''20-40ms latency reduction''' (realistic estimate) *** '''Input lag reduced from ~20-30ms to ~10ms''' (controller polling improvements) *** '''Network handling optimized''' for both local and remote connections *'''VitaRPS5-Style Interface''' ** Clean card-based console selection with PS5/PS4 visual indicators ** Professional PlayStation-themed color scheme (blues, whites, sophisticated grays) ** Wave-animated navigation sidebar with collapsible menu ** Individual digit PIN entry screen for console pairing *'''Enhanced Console Management''' ** Automatic console discovery on local network ** Manual remote host configuration with static IP support ** Console wake flow with animated progress and 30-second timeout ** One-tap streaming start when console wakes (no double-press required) *'''Settings & Configuration''' ** Tabbed settings page (Streaming, Controller) with L/R navigation ** 3 fully customizable controller preset slots (Custom 1, Custom 2, Custom 3) ** Immersive fullscreen controller mapping screen with procedural Vita diagrams ** Latency mode selection: Ultra Low, Low, Balanced, High, Max (targeting 1.2-3.8 Mbps) ** Fill Screen toggle and Force 30 FPS option *'''Controller Input Fixes''' ** Resolved race condition preventing controller input during streaming ** Properly separated UI and input thread buffer access ** D-pad navigation no longer double-processes when nav bar focused ** Focus manager prevents input leaking between UI zones *'''Connection Reliability''' ** Fixed instant disconnection bug from upstream ** Console re-pairing now properly deletes old registration data ** Remote Play crash/in-use detection with user-friendly hints ** Improved error handling for network timeouts *'''UI Polish''' ** Fixed content overlap with navigation pill ** Profile page layout corrected (Y=60 → Y=80) ** Triangle icon in menu pill matches PlayStation conventions ** 48px navigation icons with optional text labels *'''Latency Breakdown''' (estimated) ** Total latency: ~100-140ms remote (down from 150-200ms), ~50-70ms local (down from 80-100ms) ** Input lag: <10ms (down from 20-30ms) ** Video decode-to-display: ~30ms ** Network RTT: Variable (depends on connection) *'''Platform Constraints''' ** PS Vita: 960×544 display, quad-core ARM Cortex-A9, 512MB RAM ** Hardware H.264 decoder (SceVideodec) for video ** vita2d for all rendering ** Dual CPU cores: CPU 0 for media, CPU 1 for input sampling *'''Chiaki Protocol Enhancements''' ** Fast restart mechanism for packet-loss recovery ** Cached controller state preservation across reconnects ** Session restart API for bitrate negotiation without full disconnect ** FEC error concealment from Chiaki base library '''v1.0.2''' * What's Changed- Latency Optimization - Phase 1 Improvements ([https://github.com/mauricio-gg/vitaki-vitarps5/pull/8 #8]) ([https://github.com/mauricio-gg/vitaki-vitarps5/commit/48a0b1b037e3fbdcddf01e7f8a74c8502b19bfaa <code>48a0b1b</code>]) ** UI Fixes: Main Screen Improvements and VitaRPS5 Branding ([https://github.com/mauricio-gg/vitaki-vitarps5/pull/4 #4]) ([https://github.com/mauricio-gg/vitaki-vitarps5/commit/439e5141b0dab972e0769d921690e196a1f0700e <code>439e514</code>]) '''v1.0.1''' * First Release. == External links == * GitHub - https://github.com/mauricio-gg/vitaki-vitarps5 * Reddit - https://www.reddit.com/r/vitahacks/comments/1nw5ufa/vitarps5_a_vitakifork_fork/

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