HTTP Live stream error

tonyt tonyt at xuzhitech.com
Wed Oct 12 06:15:05 PDT 2011


Hi all  
   I'm trying to play http live stream with the latest gstreamer version
(build from git://anongit.freedesktop.org/). I have a graph which is
described by this call to gst-launch:

gst-launch --gst-debug-level=2 playbin2
uri=http://meta.video.qiyi.com/200/47241fa653d999359543e2ba2d3af343.m3u8

Video stop play shortly after initiating playback and I see these warnings
from GStreamer:

0:01:28.410325448 17252 0xb2fb04c0 WARN           baseaudiosink
gstbaseaudiosink.c:1365:gst_base_audio_sink_get_alignment:<audiosink-actual-sink-pulse>
Unexpected discontinuity in audio timestamps of -0:00:30.000022675,
resyncing
0:01:28.430482341 17252 0xb6cd5fb0 WARN                   pulse
pulsesink.c:630:gst_pulsering_stream_underflow_cb:<audiosink-actual-sink-pulse>
Got underflow


I found the PTS from server is not increase progressively always, sometime
the PTS changed into zero. Is it case this or can anyone offer any other
insight as to what might be causing this behavior?

BTW: Not only this url,most of url I played with gstreamer have the same
problem.

Best Regards
      Tony


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