Subject: Re: [ecasound] cs-edit might be broken
From: Jeremy Hall (jhall@uu.net )
Date: Mon Jan 10 2000 - 18:16:57 EET
Hi, and Good Morning :)
Kai Vehmanen said:
> On Sun, 9 Jan 2000, Jeremy Hall wrote:
>
> > cs-edit results in a seg fault.
>
> First thing to check is your editor settings (EDITOR env.variable, etc.).
>
well, things have improved somewhat.
but this appears when exiting the editor.
(eca-chainsetup) Setting buffersize to (samples) 128.
(eca-chainsetup) Setting internal sample rate to: 44100
(eca-chainsetup) Setting chainsetup name to "cs-edit-temp".
(eca-chainsetup) Simple mixmode selected.
(eca-chainsetup) Raised-priority mode enabled.
(eca-chainsetup) Using precise-sample-rates with OSS audio devices.
(eca-chainsetup) Set active format to
(bits/channels/srate): s16_le/2/44100
- [ Eca-audio-objects/Adding a new input ]
---------------------------------
(eca-audio-objects) Added audio object "/tmp/in.raw", mode "read".
(audio-io) Format s16_le, channels 2, srate 44100.
(eca-chainsetup) Assigning file to chains: default
(eca-chainsetup) Set active format to
(bits/channels/srate): s16_le/2/44100
- [ Eca-audio-objects/Adding a new output ]
--------------------------------
(eca-audio-objects) Added audio object "/tmp/out.raw", mode "read/write".
(audio-io) Format s16_le, channels 2, srate 44100.
(eca-chainsetup) Assigning file to chains: default
(eca-controller) Selected chainsetup: "command-line-setup".
(eca-controller) Loaded chainsetup from file "/tmp/fileZoLTcT.ecs".
- [ Controller/Processing stopped ]
----------------------------------------
- [ Engine/Exiting ]
-------------------------------------------------------
(eca-controller) Disconnecting chainsetup: "command-line-setup".
(eca-controller) Selected chainsetup: "cs-edit-temp".
(eca-controller) Connected chainsetup: "cs-edit-temp".
(eca-controller) Selected chainsetup: "command-line-setup".
(eca-controller) Removing chainsetup: "command-line-setup".
pure virtual method called
[root@Peppy ecasound]# Broken pipe
looking through the docs for psr to see what it is.
> > Ideally, a "hot" mode could be selected so that the current behavior is
> > seen, this would be the default. A "pasv" command could be entered that
> > places ecasound in a passive mode where it queues commands.
>
> Hmm, is on-the-fly 'cs-edit' enough, or do you still need this
> pasv/active functionality?
>
I think a cs-copy like I previously mentioned would be fine, given that if
processing is started it remains started upon connecting a new setup.
_J
> > When somebody is cs-editing, ecasound should still continue providing
> > sound until the editor comes back. When the editor comes back, the new
> > file is syntactically checked. If an error is detected, the user is
> > placed back in the editor so he can fix his error. After all is said and
>
> I just implemented this. If the new chainsetup is valid, the old one
> is disconnected and the new one takes it place. But there are some
> problems concerning syntax checking. Simple cases (mismatching
> input-output count, etc) are easy to detect, but in many cases it's
> impossible to check validity.
>
> > done, the user should be shown some diffs and asked if he wishes to check
> > the diffs in or accept them.
>
> ??? diffs between chainsetups?
>
> > How about creating an ecatools_parse command that checks the items in some
> > file for errors, exiting wiht 0 if all is ok and 1 if all is not. A shell
> > script could be provided that runs the diff and displays it, then decides
> > whether to accept the changes or not (similar to our rcsedit script)
>
> If checking whether ecasound will accept certain chainsetup file is
> enough, this is easy. Checking whether all effects have been accepted
> is more difficult. Some things, like checking whether ecasound can
> open a soundcard device, is impossible if another instance of
> ecasound is using the same device.
>
> > As soon as the editor comes back, ecasound should accept the new changes
> > and activate them.
>
> This is now possible (in the CVS).
>
> --
> Kai Vehmanen <kaiv@wakkanet.fi> -------- CS, University of Turku, Finland
> . http://www.wakkanet.fi/ecasound/ - linux audio processing
> . http://www.wakkanet.fi/sculpscape/ - ambient-idm-rock-... mp3/ra/wav
>
This archive was generated by hypermail 2a24 : Mon Jan 10 2000 - 18:19:51 EET