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called. Since sio_onmove() callback doesn't return negative deltas
anymore, slightly simplify related paragraphs.
siggested by espie@, ok jakemsr@
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with open(2) and write(2) syscalls.
from Thomas Pfaff, jakemsr is fine with it
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cannot cooperate with other programs. The aim of this change is
to allow any program to send midi data to other programs as they
were midi hardware. For instance, this change should solve the
longstanding problem of using a midi sequencer with software
synthesizers. More precisely:
- new midicat(1) utility (actually hardlink to aucat(1)).
it creates software midi thru boxes, allowing programs
to send midi messages to other programs as they were
midi(4) hardware.
- new midi api in libsndio (see mio_open(3)), to access
midi(4) devices and midicat(1) sockets in a uniform way.
- new device naming scheme <service>:<unit>[.<option>],
common to audio and midi.
- new sndio(7) manual describing concepts and naming
The current audio device naming still works, but people having
scripts or configuration files containing device names could read
the sndio(7) man page and slowly start updating device names.
discussed with jakemsr@ and deraadt@, help form jmc@
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spotted by Philipp Schafft
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the one we asked for, from Thomas Pfaff <tpfaff(at)tp76.info>
with tweaks from jmc@
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not be used if blocking is not desirable.
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from Thomas Pfaff <tpfaff(at)tp76.info>, thanks!
ok jmc
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from Thomas Pfaff <tpfaff(at)tp76.info>, thanks!
ok jmc@
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so they are visible only when the DEBUG macro is #defined
and SIO_DEBUG env. variable is set.
requested by many, discussed with jakemsr
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the program-part of the buffer size, ie the part that is subject to
underruns. Useful for apps like cdio(1) that don't have their own
rings, or to apps that have a minimum ring size constraint. Setting
the ``bufsz'' parameter becomes deprecated.
ok jakemsr
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sio_onvol(3) functions. The audio(4) backend tries to use the
inputs.dac, outputs.dac, outputs.output and outputs.master
controls (in this order). Add a sample file in
regress/lib/libsndio/vol/vol.c
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and thus remove the ugly rate <-> block-size table from
sio_setpar(3). Handle the block size negociation in aucat(1), since
it has few constrains the code is overally simpler.
ok jakemsr@, major crank suggested by deraadt@
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ok ratchov@
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requested by many, "just go for it" deraadt@
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