Newbie questions: osxaudiosink, USB DAC and integer mode

[Sérgio Agostinho]

Yes. You can run gst-launch with -v and that will print the capabilities
negotiated in each pad, enabling you to check if you're passing audio to
your DAC in the format you wanted.

Cheers

2015-08-03 19:10 GMT+02:00 novazeta <novazeta at gmail.com>:

> Ok so it turns out that I have to stick with gstreamer 0.10, as that is
> the version that Mopidy supports. However, I have updated to the tip of the
> 0.10 branch. Is this the correct way to use capsfilter (using the shorthand
> here)?
>
> gst-launch-0.10 audiotestsrc ! audio/x-raw-int,width=16,depth=16 !
> osxaudiosink
>
> As a reminder, these are the capabilities of osxaudiosink in the version
> that is at the tip of the 0.10 branch of gst-plugins-good:
>
>     Capabilities:
>       audio/x-raw-float
>              endianness: { 1234 }
>                  signed: { true }
>                   width: 32
>                   depth: 32
>                    rate: [ 1, 2147483647 ]
>                channels: [ 1, 9 ]
>       audio/x-raw-int
>              endianness: { 1234 }
>                  signed: { true }
>                   width: 32
>                   depth: 32
>                    rate: [ 1, 2147483647 ]
>                channels: [ 1, 9 ]
>       audio/x-raw-int
>              endianness: { 1234 }
>                  signed: { true }
>                   width: 24
>                   depth: 24
>                    rate: [ 1, 2147483647 ]
>                channels: [ 1, 9 ]
>       audio/x-raw-int
>              endianness: { 1234 }
>                  signed: { true }
>                   width: 16
>                   depth: 16
>                    rate: [ 1, 2147483647 ]
>                channels: [ 1, 9 ]
>       audio/x-raw-int
>              endianness: { 1234 }
>                  signed: { true }
>                   width: 8
>                   depth: 8
>                    rate: [ 1, 2147483647 ]
>                channels: [ 1, 2147483647 ]
>       audio/x-ac3
>                  framed: true
>       audio/x-dts
>                  framed: true
>
> Cheers
> Khilan
>
>
> On 3 August 2015 at 16:14, novazeta <novazeta at gmail.com> wrote:
>
>> Sorry, yes I meant the DAC.
>>
>> Thanks for the reference to capsfilter!
>>
>> Will check it out.
>>
>> Regards
>> Khilan
>>
>> On 3 August 2015 at 15:59, Sérgio Agostinho <sergio.r.agostinho at gmail.com
>> > wrote:
>>
>>>
>>> 2015-08-03 16:19 GMT+02:00 novazeta <novazeta at gmail.com>:
>>>
>>>> So I would hope that osxaudiosink would handle the data as raw integers
>>>> if the sink also expects integers?
>>>
>>>
>>> I'm confused. Which other sink are you talking about? Are you referring
>>> to your DAC?
>>> If you need to ensure 24bit integer audio reaches osxaudiosink, there
>>> are ways to do that. Look at capsfilter
>>> <http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer-plugins/html/gstreamer-plugins-capsfilter.html>
>>> .
>>>
>>> Cheers
>>>
>>> _______________________________________________
>>> gstreamer-devel mailing list
>>> gstreamer-devel at lists.freedesktop.org
>>> http://lists.freedesktop.org/mailman/listinfo/gstreamer-devel
>>>
>>>
>>
>
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>
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