[gst-devel] streaming a wav file into g711 alaw rtp stream

[Terry Leung]

Hi ,

sorry, forgot to include the error message

-bash-3.00$ gst-launch -m filesrc location=test3.wav ! wavparse !
audioconvert ! alawenc !  rtppcmapay ! udpsink  host=172.20.122.23
port=19790
Setting pipeline to PAUSED ...
Pipeline is PREROLLING ...
Got Message from element "udpsink0" (state-changed): GstMessageState,
old-state=(GstState)GST_STATE_NULL,
new-state=(GstState)GST_STATE_READY,
pending-state=(GstState)GST_STATE_VOID_PENDING;
Got Message from element "rtppmcapay0" (state-changed):
GstMessageState, old-state=(GstState)GST_STATE_NULL,
new-state=(GstState)GST_STATE_READY,
pending-state=(GstState)GST_STATE_VOID_PENDING;
Got Message from element "alawenc0" (state-changed): GstMessageState,
old-state=(GstState)GST_STATE_NULL,
new-state=(GstState)GST_STATE_READY,
pending-state=(GstState)GST_STATE_VOID_PENDING;
Got Message from element "audioconvert0" (state-changed):
GstMessageState, old-state=(GstState)GST_STATE_NULL,
new-state=(GstState)GST_STATE_READY,
pending-state=(GstState)GST_STATE_VOID_PENDING;
Got Message from element "wavparse0" (state-changed): GstMessageState,
old-state=(GstState)GST_STATE_NULL,
new-state=(GstState)GST_STATE_READY,
pending-state=(GstState)GST_STATE_VOID_PENDING;
Got Message from element "filesrc0" (state-changed): GstMessageState,
old-state=(GstState)GST_STATE_NULL,
new-state=(GstState)GST_STATE_READY,
pending-state=(GstState)GST_STATE_VOID_PENDING;
Got Message from element "pipeline0" (state-changed): GstMessageState,
old-state=(GstState)GST_STATE_NULL,
new-state=(GstState)GST_STATE_READY,
pending-state=(GstState)GST_STATE_PAUSED;
Got Message from element "rtppmcapay0" (state-changed):
GstMessageState, old-state=(GstState)GST_STATE_READY,
new-state=(GstState)GST_STATE_PAUSED,
pending-state=(GstState)GST_STATE_VOID_PENDING;
Got Message from element "alawenc0" (state-changed): GstMessageState,
old-state=(GstState)GST_STATE_READY,
new-state=(GstState)GST_STATE_PAUSED,
pending-state=(GstState)GST_STATE_VOID_PENDING;
Got Message from element "audioconvert0" (state-changed):
GstMessageState, old-state=(GstState)GST_STATE_READY,
new-state=(GstState)GST_STATE_PAUSED,
pending-state=(GstState)GST_STATE_VOID_PENDING;
Got Message from element "wavparse0" (state-changed): GstMessageState,
old-state=(GstState)GST_STATE_READY,
new-state=(GstState)GST_STATE_PAUSED,
pending-state=(GstState)GST_STATE_VOID_PENDING;
Got Message from element "filesrc0" (state-changed): GstMessageState,
old-state=(GstState)GST_STATE_READY,
new-state=(GstState)GST_STATE_PAUSED,
pending-state=(GstState)GST_STATE_VOID_PENDING;
Got Message from element "wavparse0" (tag): taglist,
audio-codec=(string)"Uncompressed\ 8-bit\ PCM\ audio";
Got Message from element "wavparse0" (error): GstMessageError,
gerror=(GstGError)(NULL), debug=(string)"gstwavparse.c\(1778\):\
gst_wavparse_loop\ \(\):\ /pipeline0/wavparse0:\012streaming\ task\
paused\,\ reason\ not-linked\ \(-1\)";
ERROR: from element /pipeline0/wavparse0: Internal data flow error.
Additional debug info:
gstwavparse.c(1778): gst_wavparse_loop (): /pipeline0/wavparse0:
streaming task paused, reason not-linked (-1)
ERROR: pipeline doesn't want to preroll.
Setting pipeline to NULL ...
FREEING pipeline ...

This one is another file which is 8bit pcm audio instead of 16bit I
mentioned before
However, both of them have the same result

thank you

Regards,
Terry

On Thu, Aug 21, 2008 at 3:51 PM, ved kpl <ved.kpl at gmail.com> wrote:
> Hi,
>
> By "doesnt work" do you mean that the sender is failing or You are not
> getting anything at the receiving end. Can You post the logs also?
>
> Cheers
> Ved
>
> On Thu, Aug 21, 2008 at 1:08 PM, Terry Leung <terry83 at gmail.com> wrote:
>> Hi all,
>>
>> I try to stream a wav file which is encoded in  uncompressed 16bit pcm data
>>
>> I try the following pipeline and it doesnt work
>>
>> gst-launch -m filesrc location=test3.wav ! wavparse ! audioconvert !
>> alawenc !  rtppcmapay ! udpsink  host=172.20.122.23 port=19790
>>
>> I can get the following working
>> gst-launch -m audiotestsrc !  alawenc ! rtppcmapay ! udpsink
>> host=172.20.122.23 port=19790
>>
>>
>> I am not very sure if it need decoder or not after wavparse
>> anyone know?
>>
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