audio-send: org/device_details.org annotate

finally, a first pass at ear.org

rev	line source
rlm@0	1 * a device has a two names,
rlm@0	2 - name, which is the filename and which appears before all of the functions.
rlm@0	3 - trueName, which is a string that is used to summon the device.
rlm@0	4
rlm@0	5
rlm@0	6 Every device has the <name>_data struct, which is where all the
rlm@0	7 device specific state is located.
rlm@0	8
rlm@0	9 In the function <name>_open_playback, the device is initialized,
rlm@0	10 here the trueName is set, and the devices data is initialized.
rlm@0	11
rlm@0	12 The ALCdevice's ExtraData field must always be cast to to the actual
rlm@0	13 data struct that the device uses.
rlm@0	14
rlm@0	15
rlm@0	16
rlm@0	17 the =open_playback= function is where everything is initialized,
rlm@0	18
rlm@0	19
rlm@0	20 but the =reset_playback= is where the actual thread which is the heart
rlm@0	21 of the device is started.
rlm@0	22
rlm@0	23
rlm@0	24 every device has a <name>Proc function which takes a pointer to an
rlm@0	25 ALCdevice and is run in a separate thread. It is this procedure that
rlm@0	26 actually does stuff with sound data.
rlm@0	27
rlm@0	28
rlm@0	29 It is the ALContext which controls the particulars of a listener.
rlm@0	30
rlm@0	31 The context contains the device.
rlm@0	32
rlm@0	33 * so do we need a new context for each listener, alone with their own
rlm@0	34 devices?
rlm@0	35
rlm@0	36 However, the device also maintains a list of contexts...
rlm@0	37

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