20240106 1164.0.0.0

• LWLibavAudioSource: stream_index=-1 always get the first detected audio stream. (#39)
• repeat=true: more helpful error message. (#53)

Used libraries:

• FFmpeg bf4d6ef.
• l-smash 2c0696c.
• obuparse 478adcc.
• zlib 1.3.
• dav1d 1.3.0.
• libxml2 v2.12.3.
• nv-codec-headers n12.1.14.0.
• xxHash v0.8.2.
• mfx_dispatch f6aac45.