another regression:
wget http://chui-pas.net/~fun/test-8-7.1.opus.ts
./ffmpeg -i test-8-7.1.opus.ts test.wav
./ffmpeg-pre-codecpar -i test-8-7.1.opus.ts test-pre.wav
-rw-r----- 1 michael michael 10137702 Apr 2 21:12 test-pre.wav
-rw-r----- 1 michael michael 2534478 Apr 2 21:12 test.wav
codecpar also generates pages of
[opus @ 0x23806e0] LBRR frames present; this is unsupported
[opus @ 0x23806e0] Error decoding a SILK frame.
[opus @ 0x23806e0] Error decoding an Opus frame.
[opus @ 0x23806e0] LBRR frames present; this is unsupported
[opus @ 0x23806e0] Error decoding a SILK frame.
[opus @ 0x23806e0] Error decoding an Opus frame.