tests/ertmp_ffmpeg.rs (ignored unless an encoder is present) publishes from a local
encoder through a proxy that holds Publish.Start until the subscriber is in place,
and decodes each track's frames in a conformant decoder: AVC with B-frames and AAC,
HEVC and AVC on the platform's media engine, HEVC with Opus, AV1 with FLAC, VP9 with
Opus. The encoder sends a FLAC sequence start as STREAMINFO alone, and a coded-frames
packet of no bytes at the end: both now read, the latter not carried. The corpus
gains a session for each.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
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