Play any file to audio

[Jack]

Hi Michael !

Yes, thanks for this reminder !

I was just hoping to play any file with uridecodebin (with a specific
property) like filesrc. But it is not possible.

The idea was to generate a "moving noise" in the time...

++


Jack



Le 16/11/2020 à 20:28, Michael Gruner a écrit :
> Hello Jack
>
> I don’t know your exact use case, but if you are looking for a way to
> generate noise you may want to take a look at audiotestsrc. It as a
> few noise models you might find useful:
>
>   wave                : Oscillator waveform
>                         flags: readable, writable, controllable
>                         Enum "GstAudioTestSrcWave" Default: 0, "sine"
>                            (0): sine             - Sine
>                            (1): square           - Square
>                            (2): saw              - Saw
>                            (3): triangle         - Triangle
>                            (4): silence          - Silence
> *                           (5): white-noise      - White uniform noise*
> *                           (6): pink-noise       - Pink noise*
>                            (7): sine-table       - Sine table
>                            (8): ticks            - Periodic Ticks
> *                           (9): gaussian-noise   - White Gaussian noise*
> *                           (10): red-noise        - Red (brownian) noise*
> *                           (11): blue-noise       - Blue noise*
> *                           (12): violet-noise     - Violet noise*
>
> Michael
>
>> On Nov 16, 2020, at 13:20, Tim Müller <tim at centricular.com
>> <mailto:tim at centricular.com>> wrote:
>>
>> Hi,
>>
>>> I'm not an expert in uridecodebin, but from the tests I've
>>> just made it doesn't appear to be possible
>>
>> That's right.
>>
>> Decodebin needs to be able to "typefind" a stream, and it will then try
>> and plug the right parsers/decoders for the format the file is in.
>>
>> You want to do the exact opposite, so decodebin is not really suitable
>> for this use case, and I'm not sure what it would buy you here either.
>>
>> Cheers
>> Tim
>>
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>
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