diff options
Diffstat (limited to 'docs/MESHBAY_NODE_PROTOCOL.md')
| -rw-r--r-- | docs/MESHBAY_NODE_PROTOCOL.md | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/docs/MESHBAY_NODE_PROTOCOL.md b/docs/MESHBAY_NODE_PROTOCOL.md index 64f32e3..2aede26 100644 --- a/docs/MESHBAY_NODE_PROTOCOL.md +++ b/docs/MESHBAY_NODE_PROTOCOL.md @@ -1671,7 +1671,7 @@ array while MediaSource consumes it a segment at a time. | Concurrent transcodes | 8 node-wide, semaphore on the transport context | | Seeking | a new `stream_req` with `start`; the previous stream is retired first, ffmpeg respawned with `-ss` | | Accurate seek | **off when the video is copied, on when it is re-encoded.** Copied video has to begin on a keyframe and cannot be trimmed to the request; re-encoded audio can, and is. Leaving both at the default put a whole GOP of silence at the head of every seek and left sound and picture a GOP apart — with correct timestamps throughout, so nothing downstream could detect it | -| `start` in `stream_init` | the value actually used — seeking lands on the keyframe at or before the request, and the client adds it back as `SourceBuffer.timestampOffset` | +| `start` in `stream_init` | the value actually used, and on the copy path that is the **keyframe at or before the request**, resolved by a bounded look-up before ffmpeg is spawned (0.12–0.51 s, measured). The client adds it back as `SourceBuffer.timestampOffset`; a subtitle cue carries the source's absolute time, so reporting the request instead would put every line on screen one GOP before it is spoken | | `audio_tracks` in `stream_init` | every audio track: `i` (the **audio ordinal**, what `-map 0:a:<n>` takes, never the container stream index), `lang`, `title`, `codec`, `ch`. Empty for a file with no audio | | `audio_track` in `stream_req` | which ordinal to map. Absent, out of range or malformed is the first track | | `audio_track` in `stream_init` | the ordinal actually used, for the same reason `start` is reported: a list drawn before the file was replaced on disk can name a track that is no longer there, and the client must show what is playing rather than what it asked for. `null` when the file has no audio | |