[gst-devel] playbin plugin issue

jun jiang little.fire.rock at gmail.com
Tue Jun 23 05:31:02 CEST 2009


Hi, all.

I have met a problem when using gstreamer playbin plugin. When using command
"gst-launch playbin uri="
file:///home/user/MyDocs/.videos/lmAL_mpeg4_1039_VGA_15_44.1_128.mp4" to
play the mp4 file, the audio output is ok, while the video is hanging there.
The videosink I use is ximagesink as xvimagesink is not available. I have
checked the log, it complains that

" 0:00:18.134012932  1401    0x55730 WARN         basetransform
gstbasetransform.c
:1037:gst_base_transform_acceptcaps:<vconv> transform could not transform
video/
x-raw-rgb, bpp=(int)16, depth=(int)16, endianness=(int)1234,
red_mask=(int)63488
, green_mask=(int)2016, blue_mask=(int)31, width=(int)720, height=(int)420,
fram
erate=(fraction)25/1, pixel-aspect-ratio=(fraction)1/1 in anything we
support (o
thercaps (NULL))"

I also used "totem ./lmAL_mpeg4_1039_VGA_15_44.1_128.mp4" to play the same
mp4 file using totem. The totem's backend is based on gstreamer, but with
different behavior. The audio is Ok and video is also Ok. The only problem
 is that the video will play much slower with delay. But when I check the
log, it also complains about

" 0:00:32.754063701  1389   0x5ebed0 WARN         basetransform
gstbasetransform.c
:1037:gst_base_transform_acceptcaps:<vconv> transform could not transform
video/
x-raw-rgb, bpp=(int)16, depth=(int)16, endianness=(int)1234,
red_mask=(int)63488
, green_mask=(int)2016, blue_mask=(int)31, width=(int)360, height=(int)270,
fram
erate=(fraction)25/1, pixel-aspect-ratio=(fraction)1/1 in anything we
support (o
thercaps (NULL))"



And Following is the details:

(1) Gstreamer version

     The version of gstreamer I use is aligned with ubuntu jaunty(9.04).
(GStreamer 0.10.22)
      I have installed:
      Gstreamer
      Gstreamer-plugins-base
      Gstreamer-plugins-good
      Gst-plugins-ffmpeg

(2) I have attached log files individually.
    totem_ximagesink.log is playing using totem
    gstreamer-ximagesink.log is playing using playbin directly.


Any suggestions and comments are welcome. And I will appreciate for your
help.
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