{"session":{"id":"d841a1","created_at":1789814436892,"updated_at":1789814453511,"ended_at":1789814453511,"end_reason":"client","experiment":"4","pipeline":"native-video","preset":null,"source":"/vod/testcard-1080p.mp4","source_type":"local-vod","user_agent":"Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/148.0.0.0 Safari/537.36","client_json":"{\"userAgent\":\"Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/148.0.0.0 Safari/537.36\",\"language\":\"en\",\"platform\":\"Linux x86_64\",\"hardwareConcurrency\":8,\"deviceMemory\":2,\"screenWidth\":1410,\"screenHeight\":833,\"viewportWidth\":898,\"viewportHeight\":679,\"devicePixelRatio\":1.559999942779541,\"touchPoints\":16,\"glRenderer\":\"ANGLE (AMD, AMD Radeon Vega 1 Graphics (radeonsi raven ACO), OpenGL 4.6)\",\"timezone\":\"Europe/Madrid\"}","server_json":"{\"hostname\":\"de1.unt1.com\",\"platform\":\"Linux 6.12.107+deb13-amd64 x64\",\"cpuModel\":\"Intel(R) Xeon(R) CPU E3-1275 v5 @ 3.60GHz\",\"logicalCores\":8,\"physicalCores\":4,\"ramBytes\":67198283776,\"ffmpegVersion\":\"ffmpeg version 7.1.5-0+deb13u1 Copyright (c) 2000-2026 the FFmpeg developers\",\"ytdlpVersion\":\"2026.08.19\",\"nodeVersion\":\"v24.21.0\",\"gitCommit\":\"0d0e9cf\",\"gitDirty\":false,\"deployedAt\":\"2026-09-19T10:27:59Z\",\"hwEncoders\":{\"vaapi\":false,\"qsv\":false,\"nvenc\":false,\"devices\":[],\"nvidiaPresent\":false}}","repro_json":null},"timings":[{"stage":"metadata_loaded","t_ms":311},{"stage":"first_video_frame","t_ms":1312},{"stage":"first_audio","t_ms":4312},{"stage":"stable_playback","t_ms":7312}],"client":[{"created_at":1789814442077,"uptime_ms":311,"metrics_json":"{\"renderFps\":null,\"droppedFrames\":0,\"wsMbps\":null,\"avDriftMs\":null,\"canvasWidth\":1920,\"canvasHeight\":1080,\"currentTimeSec\":0,\"bufferedAheadSec\":0,\"readyState\":4,\"audioState\":\"paused\",\"engine\":\"native\",\"engineState\":\"paused\",\"presentedFrames\":0,\"fpsSource\":\"getVideoPlaybackQuality\"}"},{"created_at":1789814442078,"uptime_ms":1311,"metrics_json":"{\"renderFps\":3.999600039990041,\"droppedFrames\":0,\"wsMbps\":null,\"avDriftMs\":null,\"canvasWidth\":1920,\"canvasHeight\":1080,\"currentTimeSec\":0,\"bufferedAheadSec\":3.244,\"readyState\":4,\"audioState\":\"paused\",\"engine\":\"native\",\"engineState\":\"paused\",\"presentedFrames\":1,\"fpsSource\":\"getVideoPlaybackQuality\"}"},{"created_at":1789814442078,"uptime_ms":2311,"metrics_json":"{\"renderFps\":0,\"droppedFrames\":0,\"wsMbps\":null,\"avDriftMs\":null,\"canvasWidth\":1920,\"canvasHeight\":1080,\"currentTimeSec\":0,\"bufferedAheadSec\":3.244,\"readyState\":4,\"audioState\":\"paused\",\"engine\":\"native\",\"engineState\":\"paused\",\"presentedFrames\":1,\"fpsSource\":\"getVideoPlaybackQuality\"}"},{"created_at":1789814442078,"uptime_ms":3311,"metrics_json":"{\"renderFps\":0,\"droppedFrames\":0,\"wsMbps\":null,\"avDriftMs\":null,\"canvasWidth\":1920,\"canvasHeight\":1080,\"currentTimeSec\":0,\"bufferedAheadSec\":3.244,\"readyState\":4,\"audioState\":\"paused\",\"engine\":\"native\",\"engineState\":\"paused\",\"presentedFrames\":1,\"fpsSource\":\"getVideoPlaybackQuality\"}"},{"created_at":1789814442078,"uptime_ms":4311,"metrics_json":"{\"renderFps\":9.000900090022414,\"droppedFrames\":7,\"wsMbps\":null,\"avDriftMs\":null,\"canvasWidth\":1920,\"canvasHeight\":1080,\"currentTimeSec\":0.26886,\"bufferedAheadSec\":2.98014,\"readyState\":4,\"audioState\":\"playing\",\"engine\":\"native\",\"engineState\":\"playing\",\"presentedFrames\":16,\"fpsSource\":\"getVideoPlaybackQuality\"}"},{"created_at":1789814446971,"uptime_ms":5311,"metrics_json":"{\"renderFps\":30,\"droppedFrames\":37,\"wsMbps\":null,\"avDriftMs\":null,\"canvasWidth\":1920,\"canvasHeight\":1080,\"currentTimeSec\":1.27428,\"bufferedAheadSec\":2.44572,\"readyState\":4,\"audioState\":\"playing\",\"engine\":\"native\",\"engineState\":\"playing\",\"presentedFrames\":89,\"fpsSource\":\"getVideoPlaybackQuality\"}"},{"created_at":1789814446972,"uptime_ms":6311,"metrics_json":"{\"renderFps\":29.997000299925308,\"droppedFrames\":67,\"wsMbps\":null,\"avDriftMs\":null,\"canvasWidth\":1920,\"canvasHeight\":1080,\"currentTimeSec\":2.267989,\"bufferedAheadSec\":2.974011,\"readyState\":4,\"audioState\":\"playing\",\"engine\":\"native\",\"engineState\":\"playing\",\"presentedFrames\":157,\"fpsSource\":\"getVideoPlaybackQuality\"}"},{"created_at":1789814446972,"uptime_ms":7312,"metrics_json":"{\"renderFps\":29.985007496251875,\"droppedFrames\":97,\"wsMbps\":null,\"avDriftMs\":null,\"canvasWidth\":1920,\"canvasHeight\":1080,\"currentTimeSec\":3.270202,\"bufferedAheadSec\":4.037798,\"readyState\":4,\"audioState\":\"playing\",\"engine\":\"native\",\"engineState\":\"playing\",\"presentedFrames\":223,\"fpsSource\":\"getVideoPlaybackQuality\"}"},{"created_at":1789814446972,"uptime_ms":8312,"metrics_json":"{\"renderFps\":30.006001200329493,\"droppedFrames\":127,\"wsMbps\":null,\"avDriftMs\":null,\"canvasWidth\":1920,\"canvasHeight\":1080,\"currentTimeSec\":4.263989,\"bufferedAheadSec\":5.133011000000001,\"readyState\":4,\"audioState\":\"playing\",\"engine\":\"native\",\"engineState\":\"playing\",\"presentedFrames\":283,\"fpsSource\":\"getVideoPlaybackQuality\"}"},{"created_at":1789814446973,"uptime_ms":9312,"metrics_json":"{\"renderFps\":30.00900270072078,\"droppedFrames\":157,\"wsMbps\":null,\"avDriftMs\":null,\"canvasWidth\":1920,\"canvasHeight\":1080,\"currentTimeSec\":5.269374,\"bufferedAheadSec\":6.375626,\"readyState\":4,\"audioState\":\"playing\",\"engine\":\"native\",\"engineState\":\"playing\",\"presentedFrames\":331,\"fpsSource\":\"getVideoPlaybackQuality\"}"},{"created_at":1789814451976,"uptime_ms":10311,"metrics_json":"{\"renderFps\":30.003000300074717,\"droppedFrames\":187,\"wsMbps\":null,\"avDriftMs\":null,\"canvasWidth\":1920,\"canvasHeight\":1080,\"currentTimeSec\":6.263008,\"bufferedAheadSec\":7.833991999999999,\"readyState\":4,\"audioState\":\"playing\",\"engine\":\"native\",\"engineState\":\"playing\",\"presentedFrames\":401,\"fpsSource\":\"getVideoPlaybackQuality\"}"},{"created_at":1789814451977,"uptime_ms":11312,"metrics_json":"{\"renderFps\":29.997000299925308,\"droppedFrames\":217,\"wsMbps\":null,\"avDriftMs\":null,\"canvasWidth\":1920,\"canvasHeight\":1080,\"currentTimeSec\":7.272472,\"bufferedAheadSec\":9.435527999999998,\"readyState\":4,\"audioState\":\"playing\",\"engine\":\"native\",\"engineState\":\"playing\",\"presentedFrames\":471,\"fpsSource\":\"getVideoPlaybackQuality\"}"},{"created_at":1789814451977,"uptime_ms":12311,"metrics_json":"{\"renderFps\":30,\"droppedFrames\":247,\"wsMbps\":null,\"avDriftMs\":null,\"canvasWidth\":1920,\"canvasHeight\":1080,\"currentTimeSec\":8.266248,\"bufferedAheadSec\":10.848752,\"readyState\":4,\"audioState\":\"playing\",\"engine\":\"native\",\"engineState\":\"playing\",\"presentedFrames\":544,\"fpsSource\":\"getVideoPlaybackQuality\"}"},{"created_at":1789814451977,"uptime_ms":13311,"metrics_json":"{\"renderFps\":30,\"droppedFrames\":277,\"wsMbps\":null,\"avDriftMs\":null,\"canvasWidth\":1920,\"canvasHeight\":1080,\"currentTimeSec\":9.271813,\"bufferedAheadSec\":12.613187000000002,\"readyState\":4,\"audioState\":\"playing\",\"engine\":\"native\",\"engineState\":\"playing\",\"presentedFrames\":617,\"fpsSource\":\"getVideoPlaybackQuality\"}"},{"created_at":1789814451978,"uptime_ms":14311,"metrics_json":"{\"renderFps\":29,\"droppedFrames\":306,\"wsMbps\":null,\"avDriftMs\":null,\"canvasWidth\":1920,\"canvasHeight\":1080,\"currentTimeSec\":10.269383,\"bufferedAheadSec\":14.521617,\"readyState\":4,\"audioState\":\"playing\",\"engine\":\"native\",\"engineState\":\"playing\",\"presentedFrames\":688,\"fpsSource\":\"getVideoPlaybackQuality\"}"},{"created_at":1789814453509,"uptime_ms":15312,"metrics_json":"{\"renderFps\":29.994001199894107,\"droppedFrames\":336,\"wsMbps\":null,\"avDriftMs\":null,\"canvasWidth\":1920,\"canvasHeight\":1080,\"currentTimeSec\":11.263555,\"bufferedAheadSec\":15.548445000000001,\"readyState\":4,\"audioState\":\"playing\",\"engine\":\"native\",\"engineState\":\"playing\",\"presentedFrames\":751,\"fpsSource\":\"getVideoPlaybackQuality\"}"},{"created_at":1789814453510,"uptime_ms":16311,"metrics_json":"{\"renderFps\":8.00240072019221,\"droppedFrames\":344,\"wsMbps\":null,\"avDriftMs\":null,\"canvasWidth\":1920,\"canvasHeight\":1080,\"currentTimeSec\":11.521128,\"bufferedAheadSec\":15.290872000000002,\"readyState\":4,\"audioState\":\"paused\",\"engine\":\"native\",\"engineState\":\"paused\",\"presentedFrames\":768,\"fpsSource\":\"getVideoPlaybackQuality\"}"}],"serverSamples":[],"events":[{"created_at":1789814442079,"level":"info","kind":"loaded","detail_json":"{\"engine\":\"native\",\"file\":\"testcard-1080p.mp4\",\"bytes\":216473718,\"width\":1920,\"height\":1080,\"durationSec\":300}"}]}