Playing different songs on different channels

[Stefan Sauer]

On 01/02/2012 05:53 AM, PragyaRai wrote:
> I am able to play one song in either channel now by replacing one filersrc  with audiotestsrc freq=0

I have not read the rest, but  audiotestsrc wave=silence would be more
efficient (sends silent buffers).

Stefan
> Thanx
>
> -----Original Message-----
> From: gstreamer-devel-bounces+pragya.rai=lnties.com at lists.freedesktop.org [mailto:gstreamer-devel-bounces+pragya.rai=lnties.com at lists.freedesktop.org] On Behalf Of PragyaRai
> Sent: Wednesday, December 28, 2011 5:18 PM
> To: Discussion of the development of and with GStreamer
> Subject: RE: Playing different songs on different channels
>
>
> Now I am able to play two independent song in left and right earphone using below mentioned pipeline.
> Can you please suggest me how to play a song in only one earphone using interleave plugin again. This will help in our application wherein we will not play two songs all the time.
> ________________________________________
> From: gstreamer-devel-bounces+pragya.rai=lnties.com at lists.freedesktop.org [gstreamer-devel-bounces+pragya.rai=lnties.com at lists.freedesktop.org] on behalf of PragyaRai [Pragya.Rai at lnties.com]
> Sent: Wednesday, December 28, 2011 4:35 PM
> To: Discussion of the development of and with GStreamer
> Subject: RE: Playing different songs on different channels
>
> Thanx Thiago.
> i just interchanged the sink pads and its working for me.
> gst-launch interleave name=i ! alsasink filesrc location=test.mp3 ! decodebin ! audioconvert !  audio/x-raw-int,channels=1 ! i.sink1  filesrc location=/song.mp3 ! decodebin ! audioconvert ! audio/x-raw-int,channels=1 ! i.sink0 This plays two songs differently.
>
> ________________________________________
> From: gstreamer-devel-bounces+pragya.rai=lnties.com at lists.freedesktop.org [gstreamer-devel-bounces+pragya.rai=lnties.com at lists.freedesktop.org] on behalf of Thiago Sousa Santos [thiago.sousa.santos at collabora.com]
> Sent: Monday, December 26, 2011 8:27 PM
> To: gstreamer-devel at lists.freedesktop.org
> Subject: RE: Playing different songs on different channels
>
> On Mon, 2011-12-26 at 14:22 +0000, PragyaRai wrote:
>> Thank you  for your reply.
>> I am using gst-launch for this in command line.This is the error I am
>> getting
>>
>> pragya at pragya:~$ gst-launch interleave name=i ! alsasink filesrc
>> location=/home/pragya/Desktop/FORCE/song.mp3 ! decodebin !
>> audioconvert ! audio/x-raw-int,channels=1 ! i.sink0  filesrc
>> location=/home/pragya/Desktop/FORCE/test.mp3 ! decodebin !
>> audioconvert ! audio/x-raw-int,channels=1 ! i.sink1
>>
>> WARNING: erroneous pipeline: could not link audioconvert0 to i
> gst-launch interleave name=i ! autoaudiosink filesrc location=... !
> decodebin2 ! audioconvert ! audio/x-raw-int,channels=1 ! i.  filesrc location=... ! decodebin2 ! audioconvert ! audio/x-raw-int,channels=1 !
> i.
>
> This works for me. Note that I used decodebin2 instead of decodebin, that I removed the names for the interleave pads and let gst-launch select them automatically, and that I added an extra audioresample.
>
> --
> Thiago
>
>> pragya at pragya:~$
>>
>> ________________________________________
>> From:
>> gstreamer-devel-bounces+pragya.rai=lnties.com at lists.freedesktop.org
>> [gstreamer-devel-bounces+pragya.rai=lnties.com at lists.freedesktop.org]
>> on behalf of Thiago Sousa Santos [thiago.sousa.santos at collabora.com]
>> Sent: Friday, December 23, 2011 9:31 PM
>> To: gstreamer-devel at lists.freedesktop.org
>> Subject: RE: Playing different songs on different channels
>>
>> On Fri, 2011-12-23 at 09:17 +0000, PragyaRai wrote:
>>> hi Thiago,
>>>              Thanx foe your reply.i was expecting Interleave as in plugin to be used.But i tried it in my pipeline and getting lots of errors. I am new to gstreamer so can you please help me with the correct pipeline structure.
>>>
>>> I have test1.mp3 and test2.mp3 which i need to play seperately on left and right earplugs.
>> What pipeline are you using and what errors are you getting?
>>
>> --
>> Thiago
>>
>>> hope to get a reply soon
>>> Warm regards
>>>
>>>
>>> ________________________________________
>>> From:
>>> gstreamer-devel-bounces+pragya.rai=lnties.com at lists.freedesktop.org
>>> [gstreamer-devel-bounces+pragya.rai=lnties.com at lists.freedesktop.org
>>> ] on behalf of Thiago Sousa Santos
>>> [thiago.sousa.santos at collabora.com]
>>> Sent: Friday, December 23, 2011 3:44 AM
>>> To: Discussion of the development of and with GStreamer
>>> Subject: Re: Playing different songs on different channels
>>>
>>> On Wed, 2011-12-21 at 11:03 +0000, PragyaRai wrote:
>>>> how to play one song in left earphone and one song in right
>>>> earphone through gstreamer ?
>>>> is there any plugin for this?
>>> You can do that by interleaving the 2 audios into a single stream
>>> and playing it as usual.
>>>
>>> Use something like:
>>>
>>> uridecodebin ! audioconvert ! audioresample ! capsfilter
>>> caps="audio/x-raw-int, channels=1" ! ...
>>>
>>> to convert a multiple channel input into a single channel.
>>>
>>> Then link 2 branches like that into a interleave element.
>>> You should have something like this:
>>>
>>> uridecodebin ! audioconvert ! audioresample ! capsfilter
>>> caps="audio/x-raw-int, channels=1" ! queue ! ileave. uridecodebin !
>>> audioconvert ! audioresample ! capsfilter caps="audio/x-raw-int,
>>> channels=1" ! queue ! ileave. interleave name=ileave ! queue !
>>> audioconvert ! autoaudiosink
>>>
>>> Hope this helps.
>>>
>>> PS.: please add a subject to your emails
>>>
>>> --
>>> Thiago
>>>
>>>>
>>>>
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