HandleStartTranscode built its ffmpeg recipe purely from the client
request, so a Dolby Vision Profile 7 source restarted with copy video
(the V3 recovery fallback after a progressive failure) shipped raw
BL+EL+RPU NALs labeled as plain HEVC. The V3 start path derives the
strip from the plan and the audio-switch restart derives it from the
durable session route; this endpoint now derives it the same way
(session RemuxDVMode or source DV profile 7 + copy video) for both the
local transport and the pooled-node dispatch, including the node's
reconstruct recipe card.
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
