[Openal-devel] Spatialized Stereo Sounds? also Set Playback Time?
Anders Modén
openal at tooltech-software.com
Wed Oct 11 13:26:19 PDT 2006
It would be nice with a stride possibility when uploading samples so
you don't need to split and copy the data yourself.
/Anders Modén
9 okt 2006 kl. 22.23 skrev Daniel PEACOCK:
>
>
>
>
> Hi,
>
> 1. That is correct - Stereo sounds are not spatialized. If you
> want to do
> this you will have to de-interleave the audio data into two mono
> buffers
> and set their 3D positions individually. You can use the vector
> play call
> (alSourcePlayv) to start the two mono sounds synchronously - but
> not all
> platforms and devices will guarantee sample accurate
> synchronization (e.g
> the "Generic Hardware" device cannot do this).
>
> 2. Yes you can start playback mid sample. Attach a Buffer to a
> Source,
> then set a playback offset (using alSourcei or alSourcef with
> AL_SEC_OFFSET, AL_BYTE_OFFSET or AL_SAMPLE_OFFSET), then call Play and
> playback will start from the offset you specified (assuming it is
> valid).
>
> Dan
>
> Notice
> The information in this message is confidential and may be legally
> privileged. It is intended solely for the addressee. Access to this
> message by anyone else is unauthorized. If you are not the intended
> recipient, any disclosure, copying or distribution of the
> message, or
> any action taken by you in reliance on it, is prohibited and may be
> unlawful. If you have received this message in error, please
> delete it
> and contact the sender immediately. Thank you.
>
>
>
>
> "Hougant Chen"
> <hougant.chen at thq
> .com>
> To
> Sent by: <Openal-
> devel at opensource.creative.c
> openal-devel-boun om>
>
> ces at opensource.cr cc
> eative.com
>
> Subject
> [Openal-devel] Spatialized
> Stereo
> 10/09/2006 12:06 Sounds? also Set Playback Time?
> PM
>
>
>
>
>
>
>
>
>
> Hello All,
>
> I have two questions.
>
> 1. I think I read in one of the docs that OpenAL does not allow
> stereo
> sounds to be spatialized. Is this true? If so, is there a way
> around
> this?
> 2. Is there a way to play a sound at a certain time instead of
> at the
> beginning?
>
> Thanks,
> Hougant_______________________________________________
> Openal-devel mailing list
> Openal-devel at opensource.creative.com
> http://opensource.creative.com/mailman/listinfo/openal-devel
>
> ForwardSourceID:NT00037972
>
> _______________________________________________
> Openal-devel mailing list
> Openal-devel at opensource.creative.com
> http://opensource.creative.com/mailman/listinfo/openal-devel
>
More information about the Openal-devel
mailing list