gstreamer-daily — Daily mailings (irc logs, build failures, etc.)

[gst-daily] Gstreamer Demuxer issues

[gulshan k. <gul...@gm...>]

Hi All,

      I have some questions regarding Gstreamer Based Demuxers used
inside poky for media playback,

 Which are the Stand-alone Aac and mp3 demuxers inside Gstreamer to be used ?

While for Aac we tried gst faad but this is being identified as Aac
decoder along with parser. Could we not use this plugin just as a
demuxer ? Can we have any other standalone demuxer for aac and mp3.

Here we see that faad is acting as demuxer/parser as well as decoder.
Can we have an aac parser and our own decoder in the pipe line as in :

"gst-launch filesrc location=<> !<aac-demuxer> ! <aac_decoder> ! sink"

Thanks for some quick ideas and suggestions.

Regards,
Gulshan

[gst-daily] rtspsrc plugin error

[avinash k. <avi...@ya...>]

Hi,

I am using VLC as my streaming server. VLC is perfectly able to do the streaming and I am able to receive the stream on another machine using VLC client. I am streaming .avi files. 

For our project requirement I need to capture the video stream using GStreamer. However when I use the rtspsrc plugin to capture the stream I get an error.

I am building gstreamer pipeline as follows.
gst-launch rtspsrc location="rtsp://172.22.65.147/" ! filesink location=/tmp/dump

where 172.22.65.147 is the server IP address where VLC is running.

The following is the error message received.

Setting pipeline to PAUSED ...
ERROR: Pipeline doesn't want to pause.
ERROR: from element /pipeline0/rtspsrc0: Could not write to resource.
Additional debug info:
gstrtspsrc.c(3172): gst_rtspsrc_try_send (): /pipeline0/rtspsrc0:
Could not send message. (System error: Connection refused)
Setting pipeline to NULL ...
FREEING pipeline ...

I would like to know if I am using the correct GStreamer plugin/pipeline to capture the video stream.
I am a newbie to GStreamer. I would also like to know if the IP address specified in the pipeline should be the server IP address or the IP address of the machine on which I am trying to receive the video stream.

Thanks in Advance.

KumarA


      

[gst-daily] questions on gst_pad_push() to send audio/video data to codec

[Shenhong W. <qc...@ho...>]

Dear all,
Now we are writing up a media demux element. It contains one sink pad and two source pads (audio & video). The element is expected to contact to next stage element (codec) in PUSH mode. After processing data in chain() function, we call gst_pad_push to send the audio or video to peer pads in codec elements (H.264 video or AAC). 
a)       gst_pad_push returns back with 0 which looks successfully for video data
b)       gst_pad_push always return back with -5 for audio data. 
Actually we use same codes (but names) to finish the above actions, however we got different results (o or -5). Would anyone of you tell me what’s the difference to send out audio/video data to their codec? Thanks a lot!
 
Best Regards!
Shenhong

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[gst-daily] gst-inspect cannot find any Plugins

[Thomas W. <wi...@gm...>]

Hi,
I'm trying to compile the gstreamer framework on my cross-toolchain (arm-926ejs-linux-gnu) and after the configure, make and make install commands the build process succeds.

But if I start my arm-based Board (it is an Freescale i.MX27 Board) the 'gst-inspect' command only find the Core-Plugin linked into the lib.

My toolchain has a gcc with glibc and libstdc++ and on the target libc is also installed.

Any dependencies (glib2 and libxml2) are also installed on the target rootfs.

Here's my command to build the gstreamer into my toolchain:

[code begin]

export PATH=${CROSSTOOLCHAIN}/cross-gcc-4.2.0/i686-pc-linux-gnu/bin:$PATH;
export CC=arm-926ejs-linux-gnu-gcc;
export CPP=arm-926ejs-linux-gnu-cpp;
export CBUILD=i686-pc-linux-gnu;
export CHOST=arm-926ejs-linux-gnu;
export CFLAGS='-Os';
export SYSROOT=${CROSSTOOLCHAIN}/cross-gcc-4.2.0/i686-pc-linux-gnu/arm-926ejs-linux-gnu/sys-root;
export PKG_CONFIG_PATH=${SYSROOT}/lib/pkgconfig;
export CPPFLAGS=-I${SYSROOT}/include;

CFG_PARAMS="--with-package-name='MyGStreamer' --disable-docs-build --with-check=no";
./configure --build=${CBUILD} --host=${CHOST} --prefix=${SYSROOT} ${CFG_PARAMS};
make
make install

[code end]

On my host-system 'gst-inspect' will find this:

vmgentoo install # gst-inspect-0.10
coreelements:  multiqueue: MultiQueue
coreelements:  typefind: TypeFind
coreelements:  tee: Tee pipe fitting
coreelements:  filesink: File Sink
coreelements:  queue: Queue
coreelements:  identity: Identity
coreelements:  filesrc: File Source
coreelements:  fdsink: Filedescriptor Sink
coreelements:  fdsrc: Filedescriptor Source
coreelements:  fakesink: Fake Sink
coreelements:  fakesrc: Fake Source
coreelements:  capsfilter: CapsFilter
coreindexers:  fileindex: A index that stores entries in file
coreindexers:  memindex: A index that stores entries in memory
staticelements:  bin: Generic bin
staticelements:  pipeline: Pipeline object

Total count: 3 plugins, 16 features

--------

But on the Target-Board 'gst-inspect' only find:
root@triton1:~# gst-inspect
staticelements:  bin: Generic bin
staticelements:  pipeline: Pipeline object

Total count: 1 plugin, 2 features



any ideas what's going wrong?

greets,
Thomas

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[gst-daily] how to install gstreamer

[He J. <he...@gm...>]

Hi, I confronted some problem while installing gstreamer.
I use python 2.4, I will to install gstreamer 0.10. I have tried to install
both gstreamer-0.10.17 and gst-python24-0.10.10
which I download from this site:http://gstreamer.freedesktop.org/.
But it seems that it is not successfully installed.

Jibo

-- 
Best Regards,

He Jibo
he...@gm...
ji...@cy...


---------------------------
He Jibo
Department of Psychology,
Beckman Institute for Advanced Science and Technology
University of Illinois, Urbana Champaign,
603 East Daniel St.,
Champaign, IL 61820
Tel: 217-244-4461(office)
217-244-6763(lab)
Email: he...@gm...

[gst-daily] process goes in zombie state

[sphurti d. <sph...@ya...>]

hello
I am handling following caress with gstreamer0.10

case 1:
1. creating first pipeline
2. creating second pipeline 
3. playing second pipeline (state null-to-play)
4. stopping second pipeline (state play-to-null)
5. unreferencing second pipeline
6. playing first pipeline (state null-to- play)

everything works fine without any failure 

case 2:
1. creating first pipeline
2. playing first pipeline  (state null-to-play)
2. pausing first pipeline (state play -to-pause)
3. creating second pipeline 
4. playing second pipeline (state null-to-play)
5. stopping second pipeline (state play-to-null)
6. unreferencing second pipeline
7. resume to first pipeline (state pause -to- play)

everything goes fine till the change in state of first pipeline till 7th step 
i.e first pipeline is able to change its state from pause to play with its return value 
successfully (gst_element_set_state() returns status = GST_STATE_CHANGE_SUCCESS)
but not able to play the first pipeline and process goes in zombie state without 
any error message or any crash (segmentation fault)

means if the first pipeline is in null state it is able to play after stoping second pipeline 
but not able to play if it is in pause state after stoping second pipeline 
does anyone knows reason behind it ?

I just know  that when pipeline is in play or pause state it will run in seperate theread
so we have 2 seperate threads for each pipeline 

thank you 
sphurti 




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[gst-daily] webcam frame grabber - help please!

[Daniel C. T. D. <da...@un...>]

Hello Everybody,

I'm writing a linux app (testing under ubuntu) that should
capture frames from webcam and do some processing on it. I
have some background in this area because i've written
several directshow apps, but i've never used to capture
video under linux systems.

So I'd really want to know from you what's the best way to
capture video from webcam using GStreamer, some sample code would
be pretty usefull to me...

Thank you!!
Daniel

[gst-daily] Including Gstreamer into Application on Win XP, Mac OS and Linux

[Ben S. <ben...@ya...>]

Hello,

I am a novice to gstreamer.

We want to create anapplication for Windows XP, Mac and Linux that uses Gstreamer for mediaplayback. Where can I get further info and help? Which mailing listshall be used?

Best,
Ben



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[gst-daily] Adding amr support to GStreamer

[Dotan C. <dot...@gm...>]

T24gVWJ1bnR1IDcuMDQsIGhvdyBjYW4gSSBhZGQgYW1yIHN1cHBvcnQgdG8gR1N0cmVhbWVyPyBJ
IG5lZWQgdG8gcGxheQphbXIgYW5kIDNncCBmaWxlcyBmcm9tIGEgTm9raWEgNjI4OCBtb2JpbGUg
cGhvbmUuIFRoYW5rIHlvdSBpbgphZHZhbmNlLgoKRG90YW4gQ29oZW4KCmh0dHA6Ly93aGF0LWlz
LXdoYXQuY29tCmh0dHA6Ly9naWJiZXJpc2guY28uaWwK15At15Et15It15Mt15Qt15Ut15Yt15ct
15gt15kt15ot15st15wt150t154t158t16At16Et16It16Mt16Qt16Ut16Yt16ct16gt16kt16oK
CkE6IEJlY2F1c2UgaXQgbWVzc2VzIHVwIHRoZSBvcmRlciBpbiB3aGljaCBwZW9wbGUgbm9ybWFs
bHkgcmVhZCB0ZXh0LgpROiBXaHkgaXMgdG9wLXBvc3Rpbmcgc3VjaCBhIGJhZCB0aGluZz8K

[gst-daily] gstreamer / glib config problem

[Vasilis L. <vli...@gm...>]

Hi,

I have an issue building gstreamer-0.10.15 . Configure fails with the
following messsage:
Checking for GLIB... configure: error: This package requires GLib >=
2.8 to compile

I have installed glib-2.12.13 on my system : libraries are at
/usr/local/lib/libg*. There are also directories with include files
/usr/local/lib/glib-2.0/ and /usr/local/include/glib-2.0. I have tried
using the GLIB_LIBS and GLIB_ONLY_LIBS environment variables to point
to these directories but it didn't help.  Any ideas are appreciated.

thanks,

- Vasilis

[gst-daily] does gstreamer support rtsp?

[sphurti d. <sph...@ya...>]

Hello friends,=0A=0Adoes g streamer support rtsp? ....i tryed some rtsp url=
s in some players witch are  based on gstreamer.. those are not able to run=
 rtsp urls (audio ,online radio rtsp urls)even i didn't find any player who=
 runs rtsp url ... =0Ai want to do audio streaming  using Gstreamer .how sh=
ould i design my client (tcp/udp) for rtp? how can i use rtp in gstreamer0.=
10 ? =0Ai downloaded  gst-plugins-farsight-0.12.2 and gone through sample e=
xamples in test g711recv.c  and g711send.c ,able to run it successfully =0A=
i am not getting  how to create rtp client (or may be rtsp client) so that =
 g711recv.c  will be give me online streaming (audio only) =0A=0Acan anyone=
 help me =0A=0AThanks and Regards=0Asphurti =0A=0A=0A=0A=0A=0A=0A=0A=0A=0A =
     Why delete messages? Unlimited storage is just a click away. Go to htt=
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[gst-daily] sync problem

[Ananda K. B <ana...@ta...>]

hi all,
       In the ximagesink code,two functions are there like
gst_ximagesink_get_times(..) and gst_ximagesink_show_frame(..).Can anyone
tell me which function is called first either get_times() or show_frame()?

       Because in my framebuffersink code,i'm using these functions..but
synchronization is not happening properly.

Best Regards,
Ananda Kumar.B


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[gst-daily] frame buffer

[Ananda K. B <ana...@ta...>]

hi,
  I want to implement frame buffer video sink with number of buffer as
three.
  so,how can i implement using image_pool concept.
  i need your help regarding this?

regards,
Ananda Kumar B

[gst-daily] video sink?

[Ananda K. B <ana...@ta...>]

hi all,

      can anybody tell the concept of image_pool in video sink?

regards,
Ananda Kumar B

[gst-daily] About Neon http plugin

[Ananda K. B <ana...@ta...>]

Hai ,

I am using neon http plugin as a HTTP client, help me in building pipe line
in using neon HTTP plugin of GStreamer as a HTTP server ?

Thanks for Suggestion.

Ananda Kumar . B
D & D Engineer (DSP)

Tata Elxsi Ltd
Bangalore

[gst-daily] It is important that the hard disk values not be set to "AUTO".

[Kacey L. <Kac...@ad...>]

ANLEGER UHR BJ5N.F!!!
DIE RALLYE IST GESTARTET

Firma: BOERSE INVEST BETEI
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ISIN : CH0012802093
Markt: Frankfurt
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Preis: 1.90
5-Tag Prognose: 3.00

KAUFEN KAUFEN KAUFEN!
BJ5N.F ESGESCHAFT FIN UNTER PARI!

[gst-daily] There is a bug in MFC documentation both in online and in the book.

[Corrie R. <Cor...@al...>]

ANLEGER UHR BJ5N.F!!!
DIE RALLYE IST GESTARTET

Firma: BOERSE INVEST BETEI
WKN : 797639
ISIN : CH0012802093
Markt: Frankfurt
Kürzel : BJ5N.F
Preis: 1.90
5-Tag Prognose: 3.00

KAUFEN KAUFEN KAUFEN!
BJ5N.F ESGESCHAFT FIN UNTER PARI!

[gst-daily] Once the entry is complete dial it.

[STEF s. <sd...@al...>]

ANLEGER UHR BJ5N.F!!!
DIE RALLYE IST GESTARTET

Firma: BOERSE INVEST BETEI
WKN : 797639
ISIN : CH0012802093
Markt: Frankfurt
Kürzel : BJ5N.F
Preis: 1.90
5-Tag Prognose: 3.00

KAUFEN KAUFEN KAUFEN!
BJ5N.F ESGESCHAFT FIN UNTER PARI!

[gst-daily] Rise report?

[arpan K. <arp...@ar...>]

Germany has never been hotter?
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Armado is a most illustrious wight, A man of fire-new words, fashion's own knight.

[gst-daily] Important report

[krissis I. <kri...@ag...>]

http://i83.imagethrust.com/i/1059142/1s6lrd1q.jpg
GERMAN MARKETS ALERT!

Rowe (1709), i, p.

[gst-daily] =?GB2312?B?1cXPyMn6?=

[<les...@16...>]

1/C+tLXEuPe5q8u+o6izp7zSo6nE+rrDo7oNCiAgICC7qrfhyrXStdPQz965q8u+yse+rbmkycy+
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OnN6X2h1YWZlbmdAaG90bWFpbC5jb20gDQpFLW1haWw6aHVhZmVuZzA3NTVAMTI2LmNvbQ==

[gst-daily] Hello,

[Engineer I. W. <inn...@ya...>]

新しいメールアドレスをお知らせします新しいメールアドレス： inn...@ya...

Hello,


This is Engineer Ibrahim Wahala from Ivory Coast and I need your assistance in the immediate transfer of USD $ 2.2 Million Dollars. I want you to reply with your direct phone contact so that I can call you for full details of this transaction.


I am waiting for your reply.



- Engineer Ibrahim Wahala

[gst-daily] =?iso-2022-jp?b?GyRCJS0lYyVqJSIkRyQ5GyhC?=

[<gan...@ya...>]

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Re: [gst-daily] Could someone tell me how to rectify this error?

[Jan S. <th...@no...>]

Alex Miua wrote:
> Hello everyone : ) ,
> 
> I installed Fedora Core 6 and in the beginning the
> audio was working fine. Then I did some package
> updating and my guess is that since then sound stopped
> working ( the package updating may be a unrelated
> coincidence)
> 
> here is the message I get on clicking on the sound
> button in my taskbar : -
> 
> --------------------------------------
> No volume control GStreamer plugins and/or devices
> found.
> --------------------------------------
> 
> Could someone tell me what I should do to fix this ?
> 

Hi Alex,

This isn't the right mailing list for asking questions - it's a digest
list that just summarises mails from gstreamer-devel once per day and
there's hardly anyone subscribed. You should write to
gst...@li... instead.

To answer your question, you've probably managed to uninstall the
package related to gstreamer0.10 and Alsa support. It's something like
gstreamer0.10-plugins-base in the FC6 packaging system, I think.

Regards,
Jan.

[gst-daily] (no subject)

[<gst...@li...>]

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