[gst-devel] Playing AAC-LATM format.

[Danilo Freire]

Hello.

Yes, I tryed :)

It seems that the FAAD plugin do not handle the LATM format.

The error that it is shown in the debug:

gstfaad.c(1265): gst_faad_chain (): /GstPipeline:pipeline0/GstFaad:faad0:
failed to parse non-packetized stream

[]s


On Wed, Apr 14, 2010 at 2:11 PM, sudarshan bisht
<bisht.sudarshan at gmail.com>wrote:

> Hi ,
>
>  Did you try  playing   "audioHomemAranha2.aac"   file with
> gst-launch filesrc location=audioHomemAranha2.aac ! fraad !
> audioconvert ! alsasink  ?
>
>
>
>
> On Wed, Apr 14, 2010 at 6:38 PM, Danilo Freire <xharada at gmail.com> wrote:
> > Sorry, but the player that plays this format is the VLC :)
> >
> > On Tue, Apr 13, 2010 at 5:56 PM, Danilo Freire <xharada at gmail.com>
> wrote:
> >>
> >> Hello all,
> >>
> >> Basically I'm trying to play a AAC audio stream that is encapsulated
> using
> >> the MPEG-4 LATM-LOAS format.
> >>
> >> I have one MPEG2 Transport stream, that contains one H264 stream and one
> >> AAC-LATM stream. I can demux the H264 and made a patch to allow the
> demux of
> >> the AAC-LATM stream type. However, the AAC decoder plugin (I'm using the
> >> FAAD plugin), seems to not handle the LATM format correclty. The
> pipeline
> >> freezes.
> >>
> >> GST_DEBUG=3 gst-launch-0.10 filesrc location=dumpHomemAranha.ts !
> >> mpegtsdemux name=demux program-number=59224 ! queue  ! h264parse !
> >> ffdec_h264 ! ffmpegcolorspace ! xvimagesink demux. ! queue ! faad !
> alsasink
> >>
> >> I can dump the AAC content from the TS using almost the same pipeline
> >>
> >> GST_DEBUG=3 gst-launch-0.10 filesrc location=dumpHomemAranha.ts !
> >> mpegtsdemux name=demux program-number=59224 ! queue  ! h264parse !
> >> ffdec_h264 ! ffmpegcolorspace ! xvimagesink demux. ! queue ! filesink
> >> location=audioHomemAranha2.aac
> >>
> >> The Mplayer can play the output file (audioHomeAranha2.aac) just fine,
> and
> >> it uses the FAAD library.
> >>
> >> and, if I just play the video content, it is fine:
> >>
> >> GST_DEBUG=3 gst-launch-0.10 filesrc location=dumpHomemAranha.ts !
> >> mpegtsdemux name=demux program-number=59224 ! queue  ! h264parse !
> >> ffdec_h264 ! ffmpegcolorspace ! xvimagesink
> >>
> >> So, the problem is:
> >>
> >> How to play one AAC-LATM stream using the FAAD plugin? :)
> >>
> >> I'll wait any response here, before create a bug in the bugzilla :)
> >>
> >> Thanks antecipated
> >> []s
> >> --
> >> Danilo Freire de S. Santos
> >
> >
> >
> > --
> > Danilo Freire de S. Santos
> >
> >
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> >
> >
>
>
>
> --
> Regards,
>
> Sudarshan Bisht
>
>
> ------------------------------------------------------------------------------
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> Try the new software tools for yourself. Speed compiling, find bugs
> proactively, and fine-tune applications for parallel performance.
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-- 
Danilo Freire de S. Santos
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