[gst-devel] H.264 over MPEG2-TS

[Christian Fredrik Kalager Schaller]

Hi,
No the MPEG2 demuxer doesn't support MPEG4 yet, but if anyone can
provide us with some good test files we are willing to look into it. 

Sincerely,
Christian


On Thu, 2006-05-04 at 16:58 +0800, Navneet Jagannathan wrote:
> Hi,
> 
> I don't think the fluendo demuxer supports MPEG-4 yet. I have tried out
> version 0.10.3. However, the ffmpeg demuxer 'ffdemux_mpegts' appears to
> demux it successfully (it recognises the format/frame-rate etc
> successfully). 
> 
> However the output of the demuxer freezes at the first frame for a
> couple of my streams. I wasn't sure whether this was a result of a fault
> in the demuxer, or an incorrect stream and hence my question regarding
> valid H.264/MPEG2-TS streams.
> 
> Apart from the demuxer, I find the ffmpeg H.264 decoder element
> 'ffdec_h264' also fails for supposedly 'valid' raw H.264 streams with
> the following message:
> 
> "....
> ERROR: from element /pipeline0/ffdec_h2640: Internal GStreamer error:
> negotiation problem. 
> ffdec_h264: input format was not set before data start
> ERROR: pipeline doesn't want to preroll.
> ..."
> This was my pipeline:
> "gst-launch-0.10 filesrc location="filename.h264" ! ffdec_h264 !
> xvimagesink"
> 
> H.264 video inside an AVI container appears to work after passing
> through the 'avidemux' element.
> 
> "gst-launch-0.10 filesrc location="filename.avi" ! avidemux name=d
> {d.video_00 ! ffdec_h264 ! xvimagesink}"
> 
> 
> In summary, it would be great if anyone could tell me the status of
> H.264 support in gstreamer (stability-wise), and whether there are any
> samples around that are known to play reliably.
> 
> Regards,
> Navneet
> 
> 
> On Thu, 2006-05-04 at 10:21 +0200, Stéphane LOEUILLET wrote:
> > Hello,
> > 
> > I'd say he's looking for AAC ES encapsulated in MPEG2 TS like in DVB HD.
> > 
> > In usual DVB-S (Satelite), it's MPEG2 ES in MPEG2 TS. But with HD
> > coming, there is still one MPEG2 TS per transponder and MPEG2 or MPEG4
> > ES depending on the channel. (new ones in HD using MPEG4)
> > 
> > I suppose that fluendo MPEG demuxer is the plugin to look at.
> > Early in its developement, I asked if adding MPEG4 ES to the list of
> > supported encapsulated stream was planned.
> > 
> > Bye
> > 
> > Stéphane Loeuillet
> > ��Rȧ:&q[yhv^yhipy
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> 
> 
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