Record audio into adpcm format with gstreamer

[Mailing List SVR]

Il 09/07/2014 18:00, Ge Keep ha scritto:
> Okay, I will install gst 1.2.4(latest). Does this version has ur mkv?

I think you need git master or 1.3.90 pre release, you can verify 
yourself using:

gst-inspect-1.0 matroskamux

you'll see something like this if g726 is supported:

audio/x-adpcm
     layout: g726
     channels: 1
     rate: 8000

Nicola

>
>
>> On Jul 9, 2014, at 11:32 AM, Mailing List SVR <lists at svrinformatica.it> wrote:
>>
>> Il 09/07/2014 17:19, Nicolas Dufresne ha scritto:
>>>> Le mercredi 09 juillet 2014 à 11:07 -0400, Ge Keep a écrit :
>>>> Thank you Nicolas.
>>>> so, is there any way to record audio into adpcm, g726 format with
>>>> gst-launch command?
>> I think you can use mkv to mux adpcm in a standard container, you need a recent enough gstreamer release I added this to mkv recently you need one of the latest 1.0 releases,
>>
>> if you want to playback using gstreamer you can use gdp too,
>>
>> Nicola
>>
>>> Yes, you just did, but you can't play it back. If you want a playable
>>> file, you could consider extending wavenc element to support adpcm.
>>> Another option would be to extend audioparse, which is used to set caps,
>>> split and timestamp raw audio file (for testing purpose only).
>>>
>>> good luck,
>>> Nicolas
>>>
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