Hi, > Hi, > > Most mixers contain "rec" buttons which let the user select recording > source. Some mixers let multiple recording sources be selected. > > A. When setting the on/off value with SNDCTL_MIX_WRITE on a rec button, > val.value is always returned as 1. Shouldn't it be 0 or 1 according to > whether the source is selected? > Right. This is a bug. It will be fixed in the next version. > B. ossmix uses val.value = -1 to toggle the value of the button. But > http://manuals.opensound.com/developer/MIXT_ONOFF.html says only 0 or 1 are > accepted values. I guess the doc is incomplete? > 0 and 1 are really the only acceptable values for MIXT_ONOFF. I think ossmix.c use -1 as a marker for invalud/uninitialized value. > (Why am I asking this? There's a bug in ossxmix where if only one rec source > is enabled and the user unselects it, the button become unchecked, but the > source is still selected. I tried to check what value SNDCTL_MIX_WRITE > returned in set_value, and discovered A. above) > Best regards,
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