[gst-devel] Playing AAC-LATM format.

[sudarshan bisht]

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