Playback audio on Mac OS X

[doon]

Thanks for the response!
I tried all 3 your pipelines and one extra with mpegaudioparse between
filesrc and the decoder(as you said), but they all have the same result:

Setting pipeline to PAUSED ...
Pipeline is PREROLLING ...
ERROR: from element
/GstPlayBin:playbin0/GstURIDecodeBin:uridecodebin0/GstDecodeBin:decodebin0/GstMpegAudioParse:mpegaudioparse0:
GStreamer encountered a general stream error.
Additional debug info:
gstbaseparse.c(3264): void gst_base_parse_loop(GstPad *) ():
/GstPlayBin:playbin0/GstURIDecodeBin:uridecodebin0/GstDecodeBin:decodebin0/GstMpegAudioParse:mpegaudioparse0:
streaming stopped, reason not-negotiated
ERROR: pipeline doesn't want to preroll.
Setting pipeline to NULL ...
Freeing pipeline ...

What could be the problem?
Cheers!


Tim Müller wrote
> On Mon, 2015-09-28 at 18:02 -0700, doon wrote:
> 
>> I am trying to play mp3 audio using this pipeline:
>> 
>> gst-launch-1.0 filesrc location="/Users/Zhenya/Downloads/test.mp3" !
>> mad !
>> audioconvert ! autoaudiosink
> 
> While this might work, it's not a proper pipeline, you should have a
> parser (mpegaudioparse) between filesrc and the decoder (mad).
> 
> You may also need an audioresample in front of the audio sink.
> 
> Or even better, just do:
> 
>  gst-launch-1.0 filesrc location=test.mp3 ! decodebin ! audioconvert !
> audioresample ! autoaudiosink
> 
> or
> 
>  gst-launch-1.0 uridecodebin uri=file:///path/to/test.mp3 !
> audioconvert ! audioresample ! autoaudiosink
> 
> or
> 
>  gst-launch-1.0 playbin uri=file:///path/to/test.mp3
> 
>> streaming task paused, reason not-negotiated (-4)
> 
> This indicates something is wrong with format negotiation. Could be
> missing audioresample before sink if the sink only accepts one sample
> rate, but the file is another. Try the playbin pipeline to see if that
> works.
> 
>> Identical pipeline works fine on Windows 7 with the same audio. *How
>> I can
>> resolve this issue on Mac OS X Mavericks?
>> *
> 
> Cheers
>  -Tim
> 
> 
> -- 
> Tim Müller, Centricular Ltd - http://www.centricular.com
> 
> Join us at the GStreamer Conference: 8-9 October 2015 in Dublin, Ireland
> 
> 
> 
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