MP3, AAC and MPEG Audio codecs

[Nitin Mahajan-2]

HI!

I tried to play MP3, AAC media files with gstreamer with gst-ffmpeg plugin. I could not play both of them.

Whether MP3 and AAC have been removed from ffmpeg in gst-ffmpeg? If, yes whether it has been removed from configuration or through source code?

>From Quality and legal perspectives which ones would be the right set of plugins for MP3, AAC and MPEG Audio for playback purpose?

Thanks in advance

regards

-Nitin Mahajan



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[Ramana_polaka]

Hi,

Nothing is removed infact. You can play.

Can u try
gst-launch filesrc location=stream.mp3 ! mp3parse ! ffdec_mp3 ! alsasink

pls try to post error log to help better.



Regards,
Ramana

-----Original Message-----
From: [hidden email] [mailto:[hidden email]] On Behalf Of Nitin Mahajan
Sent: Tuesday, June 10, 2008 4:23 PM
To: [hidden email]
Subject: [gst-devel] MP3, AAC and MPEG Audio codecs

HI!

I tried to play MP3, AAC media files with gstreamer with gst-ffmpeg plugin. I could not play both of them.

Whether MP3 and AAC have been removed from ffmpeg in gst-ffmpeg? If, yes whether it has been removed from configuration or through source code?

>From Quality and legal perspectives which ones would be the right set of plugins for MP3, AAC and MPEG Audio for playback purpose?

Thanks in advance

regards

-Nitin Mahajan



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[Nitin Mahajan-2]

HI!

--- On Tue, 10/6/08, Ramana Reddy Polaka <[hidden email]> wrote:

> From: Ramana Reddy Polaka <[hidden email]>
> Subject: RE: [gst-devel] MP3, AAC and MPEG Audio codecs
> To: "[hidden email]" <[hidden email]>
> Cc: "[hidden email]" <[hidden email]>
> Date: Tuesday, 10 June, 2008, 4:29 PM
> Hi,
>
> Nothing is removed infact. You can play.
>
> Can u try
> gst-launch filesrc location=stream.mp3 ! mp3parse !
> ffdec_mp3 ! alsasink
>

This worked for me, the mp3 infact plays. How to play an MPEG4-AAC file using the same command?

> pls try to post error log to help better.
>

First time I actually played this through the Phonon Multimedia framework of QT, which reported me no suitable codec found. When I added the Ugly plugin, it could play mp3 but not AAC.
So I thought mp3 was played through libmad.

regards

-Nitin

>
>
> Regards,
> Ramana
>
> -----Original Message-----
> From: [hidden email]
> [mailto:[hidden email]] On
> Behalf Of Nitin Mahajan
> Sent: Tuesday, June 10, 2008 4:23 PM
> To: [hidden email]
> Subject: [gst-devel] MP3, AAC and MPEG Audio codecs
>
> HI!
>
> I tried to play MP3, AAC media files with gstreamer with
> gst-ffmpeg plugin. I could not play both of them.
>
> Whether MP3 and AAC have been removed from ffmpeg in
> gst-ffmpeg? If, yes whether it has been removed from
> configuration or through source code?
>
> >From Quality and legal perspectives which ones would be
> the right set of plugins for MP3, AAC and MPEG Audio for
> playback purpose?
>
> Thanks in advance
>
> regards
>
> -Nitin Mahajan
>
>
>
> Send instant messages to your online friends
> http://uk.messenger.yahoo.com
>
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> **************** CAUTION - Disclaimer *****************
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> INFORMATION intended solely
> for the use of the addressee(s). If you are not the
> intended recipient, please
> notify the sender by e-mail and delete the original
> message. Further, you are not
> to copy, disclose, or distribute this e-mail or its
> contents to any other person and
> any such actions are unlawful. This e-mail may contain
> viruses. Infosys has taken
> every reasonable precaution to minimize this risk, but is
> not liable for any damage
> you may sustain as a result of any virus in this e-mail.
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> right to monitor and review the content of all messages
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[Felipe Contreras]

On Tue, Jun 10, 2008 at 2:35 PM, Nitin Mahajan <[hidden email]> wrote:

>
> HI!
>
> --- On Tue, 10/6/08, Ramana Reddy Polaka <[hidden email]> wrote:
>
>> From: Ramana Reddy Polaka <[hidden email]>
>> Subject: RE: [gst-devel] MP3, AAC and MPEG Audio codecs
>> To: "[hidden email]" <[hidden email]>
>> Cc: "[hidden email]" <[hidden email]>
>> Date: Tuesday, 10 June, 2008, 4:29 PM
>> Hi,
>>
>> Nothing is removed infact. You can play.
>>
>> Can u try
>> gst-launch filesrc location=stream.mp3 ! mp3parse !
>> ffdec_mp3 ! alsasink
>>
>
> This worked for me, the mp3 infact plays. How to play an MPEG4-AAC file using the same command?
>
>> pls try to post error log to help better.
>>
>
> First time I actually played this through the Phonon Multimedia framework of QT, which reported me no suitable codec found. When I added the Ugly plugin, it could play mp3 but not AAC.
> So I thought mp3 was played through libmad.

You can try 'gst-inspect-0.10 ffmpeg' to check the ffmpeg elements.

Also, 'gst-launch-0.10 -v playbin uri="fileuri"' should show you which
decoder is being used.

Best regards.


--
Felipe Contreras

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[michael smith-6-3]

On Tue, Jun 10, 2008 at 3:53 AM, Nitin Mahajan <[hidden email]> wrote:
> HI!
>
> I tried to play MP3, AAC media files with gstreamer with gst-ffmpeg plugin. I could not play both of them.

FFmpeg doesn't have an aac decoder, and the mp3 decoder is very bad.
GStreamer won't autoplug the mp3 decoder, though you can use it if you
build a pipeline manually.

There's a good quality mp3 decoder in gst-plugins-ugly ('mad'), and an
aac decoder in gst-plugins-bad ('faad').

>
> Whether MP3 and AAC have been removed from ffmpeg in gst-ffmpeg? If, yes whether it has been removed from configuration or through source code?
>
> >From Quality and legal perspectives which ones would be the right set of plugins for MP3, AAC and MPEG Audio for playback purpose?

>From a legal perspective, you'll want to get a licensed decoder
plugin. Fluendo has a free mp3 decoder plugin (fully licensed). You'll
need to pay for any legal AAC decoder.

Mike

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[Nitin Mahajan-2]

Hello Micahel!

--- On Tue, 10/6/08, Michael Smith <[hidden email]> wrote:

> From: Michael Smith <[hidden email]>
> Subject: Re: [gst-devel] MP3, AAC and MPEG Audio codecs
> To: [hidden email]
> Cc: [hidden email]
> Date: Tuesday, 10 June, 2008, 10:24 PM
> On Tue, Jun 10, 2008 at 3:53 AM, Nitin Mahajan
> <[hidden email]> wrote:
> > HI!
> >
> > I tried to play MP3, AAC media files with gstreamer
> with gst-ffmpeg plugin. I could not play both of them.
>
> FFmpeg doesn't have an aac decoder, and the mp3 decoder
> is very bad.
> GStreamer won't autoplug the mp3 decoder, though you
> can use it if you
> build a pipeline manually.

Thanks for the exaplaination.
>
> There's a good quality mp3 decoder in gst-plugins-ugly
> ('mad'), and an
> aac decoder in gst-plugins-bad ('faad').
>
I would test them, but would you recommend gst-plugins-bad from Quality perspective?

> >
> > Whether MP3 and AAC have been removed from ffmpeg in
> gst-ffmpeg? If, yes whether it has been removed from
> configuration or through source code?
> >
> > >From Quality and legal perspectives which ones
> would be the right set of plugins for MP3, AAC and MPEG
> Audio for playback purpose?
>
> From a legal perspective, you'll want to get a licensed
> decoder
> plugin. Fluendo has a free mp3 decoder plugin (fully
> licensed).

I will try Fluendo aslo, but whats your input on this Quality wise?


 You'll
> need to pay for any legal AAC decoder.

If I am paying the license, quality wise which one is a good AAC decoder plugin for gstreamer? Any decoder plugin can be created in gstreamer?

Thanks and regards

-Nitin
 


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