The Game Developers Conference ended this week and Creative discussed OpenAL 1.1. This new version includes some extensions that may be beneficial to me and potentially to others. In a previous msg Mark mentioned that OpenAL plugins have been made and are used in Croquet. I have a few questions:
* How can Squeak users obtain the plugins and use it in our current images? * How can OpenAL plugins be integrated into 3.9 to be available for all? * Has there been any discussion regarding extending the plugins to OpenAL v1.1? * To facilitate the migration from 1.0 to 1.1, the OpenAL community is providing a few extensions to v1.0. One of the main issues of OpenAL, for me anyway, is that it does not have facilities for recording. Fortunately, this has changed in v1.1. The 1.0 recording extension is: EXT_capture. Has anyone started work on this or on any other extensions? (more info on extensions: http://openal.org/extensions.html)
brad
Brad Fuller wrote:
The Game Developers Conference ended this week and Creative discussed OpenAL 1.1. This new version includes some extensions that may be beneficial to me and potentially to others. In a previous msg Mark mentioned that OpenAL plugins have been made and are used in Croquet. I have a few questions:
- How can Squeak users obtain the plugins and use it in our current
images?
There are several changesets in this folder http://hedgehog.software.umn.edu/croquet/Jasmine/updates/ I think the main stuff are in http://hedgehog.software.umn.edu/croquet/Jasmine/updates/0214OpenAL.cs
The plugin in various platform versions is in http://hedgehog.software.umn.edu/croquet/NICT/install/
I dont know how much massaging this is going to need file into a 3.8 image. Karl
- How can OpenAL plugins be integrated into 3.9 to be available for all?
- Has there been any discussion regarding extending the plugins to
OpenAL v1.1?
- To facilitate the migration from 1.0 to 1.1, the OpenAL community is
providing a few extensions to v1.0. One of the main issues of OpenAL, for me anyway, is that it does not have facilities for recording. Fortunately, this has changed in v1.1. The 1.0 recording extension is: EXT_capture. Has anyone started work on this or on any other extensions? (more info on extensions: http://openal.org/extensions.html)
brad
-- ________________________________ Hear us online: www.Sonaural.com Brad Fuller (408) 799-6124 ** Sonaural Audio Studios ** (408) 799-6123 West San Jose (408) 799-6124 Cambrian
On Mar 13, 2005, at 3:26 AM, karl wrote:
Brad Fuller wrote:
The Game Developers Conference ended this week and Creative discussed OpenAL 1.1. This new version includes some extensions that may be beneficial to me and potentially to others. In a previous msg Mark mentioned that OpenAL plugins have been made and are used in Croquet. I have a few questions:
- How can Squeak users obtain the plugins and use it in our current
images?
There are several changesets in this folder http://hedgehog.software.umn.edu/croquet/Jasmine/updates/ I think the main stuff are in http://hedgehog.software.umn.edu/croquet/Jasmine/updates/0214OpenAL.cs
The plugin in various platform versions is in http://hedgehog.software.umn.edu/croquet/NICT/install/
I dont know how much massaging this is going to need file into a 3.8 image. Karl
If someone wants to try this, let me know. The developers here at the University of Minnesota will do what we can to help, but our main focus is Croquet.
- How can OpenAL plugins be integrated into 3.9 to be available for
all?
I'm still wondering what the process is to get things like this added.
- Has there been any discussion regarding extending the plugins to
OpenAL v1.1?
The interesting part of the press release said:
"The newly proposed OpenAL 1.1 specification will feature three primary improvements over the current version: audio recording functionality for use with in-game voice chat; an offset feature that will allow developers finer control over audio playback; and an additional volume fall off model that will save developers effort in customizing their audio engine. OpenAL 1.1 will be available for developers in summer 2005."
Voice chat is something we deeply care about for the Croquet work we are doing. Right now, for live chat we are copying the bits that make up the audio more than we would like, and end up with more latency than is optimal. It would be nice if there was a squeak VM primitive that easily allowed for buffer objects optimized for being low-latency so we could hand pointers to the buffer to the OpenAL playback. We have been thinking about looking into this approach but are are not yet actively doing anything about it. It sounds like there could be another approach in OpenAL 1.1, but I'm not clear on when that code will be available from the OpenAL people.
- To facilitate the migration from 1.0 to 1.1, the OpenAL community
is providing a few extensions to v1.0. One of the main issues of OpenAL, for me anyway, is that it does not have facilities for recording. Fortunately, this has changed in v1.1. The 1.0 recording extension is: EXT_capture. Has anyone started work on this or on any other extensions? (more info on extensions: http://openal.org/extensions.html)
Does anyone have access to the OpenAL 1.1 code yet? From the press release it sounded like we would be waiting till summer.
Mark P. McCahill wrote:
On Mar 13, 2005, at 3:26 AM, karl wrote:
Brad Fuller wrote:
The Game Developers Conference ended this week and Creative discussed OpenAL 1.1. This new version includes some extensions that may be beneficial to me and potentially to others. In a previous msg Mark mentioned that OpenAL plugins have been made and are used in Croquet. I have a few questions:
- How can Squeak users obtain the plugins and use it in our current
images?
There are several changesets in this folder http://hedgehog.software.umn.edu/croquet/Jasmine/updates/ I think the main stuff are in http://hedgehog.software.umn.edu/croquet/Jasmine/updates/0214OpenAL.cs
The plugin in various platform versions is in http://hedgehog.software.umn.edu/croquet/NICT/install/
I dont know how much massaging this is going to need file into a 3.8 image. Karl
If someone wants to try this, let me know. The developers here at the University of Minnesota will do what we can to help, but our main focus is Croquet.
- How can OpenAL plugins be integrated into 3.9 to be available for
all?
I'm still wondering what the process is to get things like this added.
- Has there been any discussion regarding extending the plugins to
OpenAL v1.1?
The interesting part of the press release said:
"The newly proposed OpenAL 1.1 specification will feature three primary improvements over the current version: audio recording functionality for use with in-game voice chat; an offset feature that will allow developers finer control over audio playback; and an additional volume fall off model that will save developers effort in customizing their audio engine. OpenAL 1.1 will be available for developers in summer 2005."
Voice chat is something we deeply care about for the Croquet work we are doing. Right now, for live chat we are copying the bits that make up the audio more than we would like, and end up with more latency than is optimal. It would be nice if there was a squeak VM primitive that easily allowed for buffer objects optimized for being low-latency so we could hand pointers to the buffer to the OpenAL playback. We have been thinking about looking into this approach but are are not yet actively doing anything about it. It sounds like there could be another approach in OpenAL 1.1, but I'm not clear on when that code will be available from the OpenAL people.
- To facilitate the migration from 1.0 to 1.1, the OpenAL community
is providing a few extensions to v1.0. One of the main issues of OpenAL, for me anyway, is that it does not have facilities for recording. Fortunately, this has changed in v1.1. The 1.0 recording extension is: EXT_capture. Has anyone started work on this or on any other extensions? (more info on extensions: http://openal.org/extensions.html)
Does anyone have access to the OpenAL 1.1 code yet? From the press release it sounded like we would be waiting till summer.
I asked the same question, Here is my question and Garrin's reply:
Are the extensions available to start working with? I'm look specifically for the capture extension.
It depends on the extension. In the case of the capture extension, the only implementation that behaves the way I described is Ryan Gordon's Mac OS X implementation at http://icculus.org/al_osx/ (Ryan will correct me if I got the wrong link, but I think that's the right one...). Ryan implemented capture for use with UT2004/Mac, so it is well tested.
All the extensions that I know of in the mainstream codebase are listed at http://www.openal.org/extensions.html -- you'll note that there isn't much overlap, even though many of the new features for 1.1 appear in one implementation or another.
So, it appears that the extensions that are available (in the list, above) are in the mainstream codebase.
brad
Mark P. McCahill wrote:
On Mar 13, 2005, at 3:26 AM, karl wrote:
Brad Fuller wrote:
The Game Developers Conference ended this week and Creative discussed OpenAL 1.1. This new version includes some extensions that may be beneficial to me and potentially to others. In a previous msg Mark mentioned that OpenAL plugins have been made and are used in Croquet. I have a few questions:
- How can Squeak users obtain the plugins and use it in our current
images?
There are several changesets in this folder http://hedgehog.software.umn.edu/croquet/Jasmine/updates/ I think the main stuff are in http://hedgehog.software.umn.edu/croquet/Jasmine/updates/0214OpenAL.cs
The plugin in various platform versions is in http://hedgehog.software.umn.edu/croquet/NICT/install/
I dont know how much massaging this is going to need file into a 3.8 image. Karl
If someone wants to try this, let me know. The developers here at the University of Minnesota will do what we can to help, but our main focus is Croquet.
- How can OpenAL plugins be integrated into 3.9 to be available for
all?
I'm still wondering what the process is to get things like this added.
- Has there been any discussion regarding extending the plugins to
OpenAL v1.1?
The interesting part of the press release said:
"The newly proposed OpenAL 1.1 specification will feature three primary improvements over the current version: audio recording functionality for use with in-game voice chat; an offset feature that will allow developers finer control over audio playback; and an additional volume fall off model that will save developers effort in customizing their audio engine. OpenAL 1.1 will be available for developers in summer 2005."
Voice chat is something we deeply care about for the Croquet work we are doing. Right now, for live chat we are copying the bits that make up the audio more than we would like, and end up with more latency than is optimal. It would be nice if there was a squeak VM primitive that easily allowed for buffer objects optimized for being low-latency so we could hand pointers to the buffer to the OpenAL playback. We have been thinking about looking into this approach but are are not yet actively doing anything about it. It sounds like there could be another approach in OpenAL 1.1, but I'm not clear on when that code will be available from the OpenAL people.
Hi Mark,
I just learned from Creative that version 1.1 for windows is out. Are you aware? Bob from apple indicated (on the OpenAL user list) that he has no target date, but is currently working on the mac version. No word yet on the Linux version.
Is your team still interested in updating to the 1.1 version? if so, what's the status?
Brad,
I don't see much point in supporting OpenAL 1.1 until OSX and Linux versions are available. We need to improve the current plugin for OpenAL 1.0 and finish up a nice framework for 3D sound in Croquet before we can worry about 1.1.
-Peter
On Nov 3, 2005, at 6:35 PM, Brad Fuller wrote:
Mark P. McCahill wrote:
On Mar 13, 2005, at 3:26 AM, karl wrote:
Brad Fuller wrote:
The Game Developers Conference ended this week and Creative discussed OpenAL 1.1. This new version includes some extensions that may be beneficial to me and potentially to others. In a previous msg Mark mentioned that OpenAL plugins have been made and are used in Croquet. I have a few questions:
- How can Squeak users obtain the plugins and use it in our
current images?
There are several changesets in this folder http://hedgehog.software.umn.edu/croquet/Jasmine/updates/ I think the main stuff are in http://hedgehog.software.umn.edu/croquet/Jasmine/updates/ 0214OpenAL.cs
The plugin in various platform versions is in http://hedgehog.software.umn.edu/croquet/NICT/install/
I dont know how much massaging this is going to need file into a 3.8 image. Karl
If someone wants to try this, let me know. The developers here at the University of Minnesota will do what we can to help, but our main focus is Croquet.
- How can OpenAL plugins be integrated into 3.9 to be available
for all?
I'm still wondering what the process is to get things like this added.
- Has there been any discussion regarding extending the plugins
to OpenAL v1.1?
The interesting part of the press release said:
"The newly proposed OpenAL 1.1 specification will feature three primary improvements over the current version: audio recording functionality for use with in-game voice chat; an offset feature that will allow developers finer control over audio playback; and an additional volume fall off model that will save developers effort in customizing their audio engine. OpenAL 1.1 will be available for developers in summer 2005."
Voice chat is something we deeply care about for the Croquet work we are doing. Right now, for live chat we are copying the bits that make up the audio more than we would like, and end up with more latency than is optimal. It would be nice if there was a squeak VM primitive that easily allowed for buffer objects optimized for being low- latency so we could hand pointers to the buffer to the OpenAL playback. We have been thinking about looking into this approach but are are not yet actively doing anything about it. It sounds like there could be another approach in OpenAL 1.1, but I'm not clear on when that code will be available from the OpenAL people.
Hi Mark,
I just learned from Creative that version 1.1 for windows is out. Are you aware? Bob from apple indicated (on the OpenAL user list) that he has no target date, but is currently working on the mac version. No word yet on the Linux version.
Is your team still interested in updating to the 1.1 version? if so, what's the status?
-- Brad Fuller (408) 799-6124 ** Sonaural Audio Studios ** (408) 799-6123 West San Jose (408) 799-6124 Cambrian ________________________________ Hear us online: www.Sonaural.com See me on O'Reilly: http://www.oreillynet.com/pub/au/2184
squeak-dev@lists.squeakfoundation.org
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Brad Fuller -
karl -
Mark P. McCahill -
Peter Moore