[gst-devel] GST alsasink problem

[Eric Zhang]

Hi, gstreamer-devel:

    One more thing: alsasink inherits from gstbaseaudiosink which inherits
from gstbasesink. GstBaseAudioSink overrides "render" function of
GstBaseSink, so don't forget to take care of gstbaseaudiosink.

Eric Zhang

2008/12/9 Eric Zhang <nicolas.m.zhang at gmail.com>

> Hi, gstreamer-devel:
>
>     I think you'd better add some "g_message" or "printf" codes into your
> gstbasesink.c and find out where the pipeline blocked, that's the key point.
> Blocking is a common problem when developing gstreamer applications, at
> least for me. And my solution is first find out where it blocks -- mostly
> always blocks at basesink.
>
>     I noticed your basesink used push mode so you can first add printf
> codes in "gst_base_sink_chain" --> "gst_base_sink_chain_unlock" -->
> "gst_base_sink_queue_object_unlocked" ......
>
> Eric Zhang
>
> 2008/12/5 vinod james <vinod.james at gmail.com>
>
>>
>> Hi,
>> I have done a source installation of gstreamer and gstreamer-base plugins
>> version 0.10.21
>> I am trying few things mentioned in the faq document
>> If I say
>> $aplay -v test.wav,
>> I am able to play the wav file through alsaplay, which shows that alsa
>> driver is installed in my PC
>>
>> If I do
>> $gst-inspect alsasink
>> shows that alsasink is installed.
>>
>> And when i do
>> $gst-launch filesrc location=test.ogg ! decodebin ! audioconvert !
>> audioresample ! filesink location=test.raw
>> it writes the decoded raw samples into the file and I am  able to play
>> test.raw in application like cooledit
>>
>> But if I do
>> $gst-launch filesrc location=test.ogg ! decodebin ! audioconvert !
>> audioresample ! alsasink
>> it goes into infinite loop.
>> The alsasink plugin is not able to detect the alsadriver I guess.
>> How do I debug this problem?
>> Pls help me
>>
>> Regards
>> Vinod James
>>
>>
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>
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