clip.h264: 15 frames of the ffmpeg testsrc2 pattern, 160x120 at 30 fps, H.264 Constrained
Baseline in Annex B with access unit delimiters, one IDR every 8 frames, no B-frames.
Generated once and committed so the media send harness needs no ffmpeg.

Command (ffmpeg 8.1.1 full build, libx264, 2026-09-29):

ffmpeg -f lavfi -i "testsrc2=size=160x120:rate=30:duration=0.5" -c:v libx264 -profile:v baseline -preset veryslow -crf 28 -bf 0 -g 8 -x264-params "threads=1:aud=1:repeat-headers=1:keyint=8:min-keyint=8:scenecut=0" -f h264 clip.h264
