Multichannel Audio support using streamer

Stefan Sauer ensonic at hora-obscura.de
Wed Mar 5 07:54:56 PST 2014


On 03/04/2014 07:54 PM, Terry Shultz wrote:
> Hi Stefan,
>
> Application is 2d/3d audio rendering of audio from an hdmi source of 7.1/5.1 audio content.
That should work fine. You will need to write a downmixing element with
your spatial audio code that takes the 8ch audio and outputs the 2
channel audio. You can use GstBaseTransform as a base-class.

Stefan

> Sorry, but I left this fact out of previous message.
>
> Terry
>
> Sent from my iPad
>
>> On Mar 4, 2014, at 8:25 AM, Stefan Sauer <ensonic at hora-obscura.de> wrote:
>>
>>> On 03/04/2014 03:28 PM, Terry Shultz wrote:
>>> Hi Gstreamer folks,
>>>
>>> I am building an app that needs to use 8 channels of pcm audio data in from an hdmi interface in an android environment.
>>>
>>> Being new to android platform, I thought perhaps someone might have some experience with multichannel audio in an android environment.
>>>
>>> I presently do this in a Linux platform, but now I am migrating to an android environment if possible Links to examples would be useful..
>> examples of what? I am not sure what part you are wondering about. How
>> is your hdmi iface exposed on the android side? Is there a gstreamer
>> element for it. What do you want to do with the 8ch pcm audio?
>>
>> Stefan
>>> I am using a Qualcomm 8074 SnapDragon eval board for prototyping and thought this forum might have some insights on how to start.
>>>
>>> Thanks,
>>>
>>> Terry
>>> _______________________________________________
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>>> gstreamer-devel at lists.freedesktop.org
>>> http://lists.freedesktop.org/mailman/listinfo/gstreamer-devel
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