Original commit message from CVS: * TODO: delete this file, it is by far outdated * ext/alsa/gstalsa.1: remove * ext/alsa/gstalsa.c: (add_rates), (add_channels), (gst_alsa_caps), (gst_alsa_check_sample_rates), (gst_alsa_rates_probe), (gst_alsa_get_caps): Add HW probing for supported sample rates. Fixes #161704