Re: ai-index-select, ai-remove and ao-index-select, ao-remove not working properly

>> Quick assessment of the situation, then my complete session...
>>
>> It seems that when there are multiple input objects of the same name or
>> multiple output objects of the same name, 'ai-index-select', 'ai-remove'
>> and 'ao-index-select', 'ao-remove' removes the wrong object.
>>
>> It does (not) seem to have this confusion when the input objects have
>> different names or the output objects have different names.
>>
>> Also, it seems (possibly) that in certain situations, it seems to think
>> it removed the object from a different chain instead of the chain that
>> it actually removed it from.

> Hi Rocco,
>
> One part of your problem is that you should
> disconnect your chain setup before modifying
> the inputs/outputs.
>
> By just removing the one input, you have an invalid chain
> setup. That causes weird complaints when Ecasound tries to
> reconnect it, (I seem to recall Ecasound performs poorly at
> providing meaningful information from a broken setup.)
>
> So I would try this:
>
> cs-disconnect
> (modify chains)
> cs-is-valid # should return 1
> cs-connect
>
> Hope this helps.
>
> Joel

I was very hopeful because you're a pretty smart guy. But unfortunately, 
I've had the same result using your suggestions.

Just to make sure I was implementing your suggestions correctly, I've 
added my session below. Let me know if you have any other ideas or if 
this is the approach you were referring to...

ECS File...

### START ECS ###
# general
-b:512 -r:50 -z:nointbuf -z:nodb -n:"Main" -X -z:noxruns -z:nopsr 
-z:mixmode,sum

# audio inputs
-a:1 -f:16,1,48000 -i:jack,system
-a:2 -f:16,2,48000 -i:jack,system
-a:3 -f:16,3,48000 -i:jack,system

# audio outputs
-a:1 -f:16,2,48000 -o:jack,system
-a:2 -f:16,2,48000 -o:jack,system
-a:3 -f:16,3,48000 -o:jack,system

# chain operators and controllers
-a:1             -chcopy:1,2
-a:2 -chmove:2,1 -chcopy:1,2
-a:3 -chmove:3,1 -chcopy:1,2
### END ECS ###

ecasound> cs-disconnect

(eca-control) NOTE: No chainsetup connected. Trying to connect currently 
selected chainsetup "Main"
(eca-chainsetup) "rtlowlatency" buffering mode selected.
(eca-chainsetup) NOTE: using existing audio parameters -f:f32_le,1,96000 
for object 'jack' (tried to open with -f:s16_le,1,48000).
(eca-chainsetup) Opened input "jack", mode "read". Format: f32_le, 
channels 1, srate 96000, noninterleaved (locked params).
(eca-chainsetup) NOTE: using existing audio parameters -f:f32_le,2,96000 
for object 'jack' (tried to open with -f:s16_le,2,48000).
(eca-chainsetup) Opened input "jack", mode "read". Format: f32_le, 
channels 2, srate 96000, noninterleaved (locked params).
(eca-chainsetup) NOTE: using existing audio parameters -f:f32_le,3,96000 
for object 'jack' (tried to open with -f:s16_le,3,48000).
(eca-chainsetup) Opened input "jack", mode "read". Format: f32_le, 
channels 3, srate 96000, noninterleaved (locked params).
(eca-chainsetup) NOTE: using existing audio parameters -f:f32_le,2,96000 
for object 'jack' (tried to open with -f:s16_le,2,96000).
(eca-chainsetup) Opened output "jack", mode "write". Format: f32_le, 
channels 2, srate 96000, noninterleaved (locked params).
(eca-chainsetup) NOTE: using existing audio parameters -f:f32_le,2,96000 
for object 'jack' (tried to open with -f:s16_le,2,96000).
(eca-chainsetup) Opened output "jack", mode "write". Format: f32_le, 
channels 2, srate 96000, noninterleaved (locked params).
(eca-chainsetup) NOTE: using existing audio parameters -f:f32_le,3,96000 
for object 'jack' (tried to open with -f:s16_le,3,96000).
(eca-chainsetup) Opened output "jack", mode "write". Format: f32_le, 
channels 3, srate 96000, noninterleaved (locked params).
- [ Connected chainsetup: "Main" ] ---------------------------------------
(eca-control-objects) Disconnecting chainsetup:  "Main".

ecasound> ai-status

### Audio input/output status (chainsetup 'Main') ###
Input (1): "jack,system," - [JACK interface]
  -> connected to chains "1": realtime-device; position 0, delay 0.
  -> closed, f32_le/1ch/96000Hz, buffer 512.
Input (2): "jack,system," - [JACK interface]
  -> connected to chains "2": realtime-device; position 0, delay 0.
  -> closed, f32_le/2ch/96000Hz, buffer 512.
Input (3): "jack,system," - [JACK interface]
  -> connected to chains "3": realtime-device; position 0, delay 0.
  -> closed, f32_le/3ch/96000Hz, buffer 512.
Output (1): "jack,system," - [JACK interface]
  -> connected to chains "1": realtime-device; position 0, delay 0.
  -> closed, f32_le/2ch/96000Hz, buffer 512.
Output (2): "jack,system," - [JACK interface]
  -> connected to chains "2": realtime-device; position 0, delay 0.
  -> closed, f32_le/2ch/96000Hz, buffer 512.
Output (3): "jack,system," - [JACK interface]
  -> connected to chains "3": realtime-device; position 0, delay 0.
  -> closed, f32_le/3ch/96000Hz, buffer 512.

ecasound> ai-index-select 2
ecasound> ai-remove

(eca-control-objects) Removing selected audio input "jack" from selected 
chains.

ecasound> cs-is-valid

(eca-chainsetup) Unable to connect: Chain "3" is not valid. Following 
errors were detected:
(eca-chainsetup) Chain "3" is not connected to any input. All chains 
must have exactly one valid input. (2.1-NO-CHAIN-INPUT)
0

ecasound> cs-connect

(eca-chainsetup) Unable to connect: Chain "3" is not valid. Following 
errors were detected:
(eca-chainsetup) Chain "3" is not connected to any input. All chains 
must have exactly one valid input. (2.1-NO-CHAIN-INPUT)
ERROR: Can't connect; chainsetup not valid!

ecasound> t

(eca-chainsetup) Unable to connect: Chain "3" is not valid. Following 
errors were detected:
(eca-chainsetup) Chain "3" is not connected to any input. All chains 
must have exactly one valid input. (2.1-NO-CHAIN-INPUT)
ERROR:  Selected chainsetup cannot be connected. Can't perform requested 
action.

ecasound> cs-save-as 1.ecs

1.ecs...

### START ECS ###
# general
-b:512 -r:50 -z:nointbuf -z:nodb -n:"Main" -X -z:noxruns -z:nopsr 
-z:mixmode,sum

# audio inputs
-a:1 -f:f32_le,1,96000 -i:jack,system,
-a:2 -f:f32_le,2,96000 -i:jack,system,

# audio outputs
-a:1 -f:f32_le,2,96000 -o:jack,system,
-a:2 -f:f32_le,2,96000 -o:jack,system,
-a:3 -f:f32_le,3,96000 -o:jack,system,

# chain operators and controllers
-a:1 -chcopy:1.00,2.00
-a:2 -chmove:2.00,1.00 -chcopy:1.00,2.00
-a:3 -chmove:3.00,1.00 -chcopy:1.00,2.00
### END ECS ###

I hope Kai gets the opportunity to work with this. It makes the front 
end so much more robust.

Thanks,
Rocco


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