Backport of "avcodecmap: Don't try converting channel layouts with more than 64 channels" into 1.16
requested to merge tpm/gst-libav:backport-mr-120-into-1.16-channel-layout-64-plus-channels into 1.16
Backport of !120 (merged) "avcodecmap: Don't try converting channel layouts with more than 64 channels".
Commits:
- ab7f1d38 avcodecmap: Don't try converting channel layouts with more than 64 channels