[gst-devel] HELP: Link "wavparse" to "audioconvert" has error.

[Freeman Zhang]

But, why the command line "gst-launch" can handle it?



2009/11/2 Freeman Zhang <pcman.zhang at gmail.com>

> Oh~~~
> Get it, thanks a lot.
>
> 2009/11/2 Tim-Philipp Müller <t.i.m at zen.co.uk>
>
> On Mon, 2009-11-02 at 18:37 +0800, Freeman Zhang wrote:
>> Hi,
>>
>>
>> > When I link "wavparse" to the "audioconvert" it is failed. but if I
>> > use "mad", it will success.
>> >
>> > I have ran it from the command line:
>> > "gst-launch filesrc location=./media/login.wav ! wavparse !
>> > audioconvert ! audioresample ! alawenc ! rtppcmapay" it is ok.
>> >
>> > I don't know why it failed, please help me, how can I can the error
>> > details?
>>
>> Because that pipeline assumes that the .wav file contains raw audio
>> (which is the only thing audioconvert can handle). However, in the case
>> where it fails the .wav file seems to contain mp3-encoded audio, which
>> audioconvert can't handle (but 'mad' can).
>>
>> You can avoid this kind of problem if you use the 'decodebin2' element
>> instead of wavparse. (or replace filesrc ! wavparse with
>> 'uridecodebin').
>>
>> Cheers
>>  -Tim
>>
>>
>>
>>
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>
>
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