[gst-devel] issues with mpeg{ts,ps} demux

Sameer Naik sameer.subscriptions at damagehead.com
Sat Mar 13 07:27:21 CET 2010


Hi,
Yes i have tested it with mpegpsdemux which is in
gst-plugins-bad-0.10.18 as well as flupsdemux.
Both yield the same behaviour.
Regards
~Sameer

On Sat, Mar 13, 2010 at 9:15 AM, Stefan Kost <ensonic at hora-obscura.de> wrote:
> Sameer Naik wrote:
>> Hi,
>>
>> On my fedora 12 pc i have i have installed,
>> gstreamer-0.10.27
>> gst-plugins-base-0.10.27
>> gst-fluendo-mpegdemux-0.10.23
>> (and the other gstreamer packages)
>>
>> If i try to play an MPEG Program stream (H.264 BP Video and MPEG1
>> Layer 2 Audio) using the following pipeline
>> gst-launch filesrc location=file.mpg ! flupsdemux name=demux ! queue !
>> ffdec_h264 ! xvimagesink demux. ! queue ! mad ! alsasink
>>
>> The pipeline goes into the playing state, but nothing ever gets
>> rendered on the screen.
>> Hoever if i specify queue limits on the queue before the ffdec_h264
>> plugin, the pipeline works correctly.
>>
>> gst-launch filesrc location=file.mpg ! mpegpsdemux name=demux ! queue
>> max-size-buffers=0 max-size-time=0 max-size-bytes=5242800 ! ffdec_h264
>> ! xvimagesink demux. ! queue ! mad ! alsasink
>>
>>
> Have you tried mpegpsdemux instead? Do you see anything when setting
> sync=false on xvimagesink. If so the psdemuxer has a timestamp issue.
>
> Stefan
>
>> I don't know what the issue here is. I have never encountered this
>> behaviour with other pipelines, only with gst-fluendo-mpegdemux for
>> both program as well as transport streams.
>>
>> Please find my test stream here:
>> http://download.damagehead.com/samples/the.robbie.williams.show.dvd.extra_h264bp.mpg
>>
>> Regards
>> ~Sameer
>>
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>
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