[gst-devel] tested successfully by using gst-launch but didn't work by using playbin2

[xujh]

xujh wrote:
> 
> I am working on playing avi file in Android using gstreamer which has been
> ported into Android with the help of 
> http://groups.google.com.tw/group/prajnashi
> http://groups.google.com.tw/group/prajnashi 
> 
> Android don't support avi playing so i want to do it myself using
> gstreamer.
> 
> Now it can play well using gst-launch under command line .
> But when i try to use laybin2 to do this job it failed. I have set
> properties "video-sink" and "audio-sink" of playbin2.
> I find that playbin2 found plugins avidemuxer and decoder successfully and
> stoped unexpectedly .
> The last error messages are as follows:
> 
> D/GstPlayer( 1792): [1798], DEBUG  
> mfw_gst_avidemuxer.c:499:avidemuxer_fill_stream_info: Added pad video_00
> with caps 0xb03a0
> D/GstPlayer( 1792): [1801], DEBUG  
> gstdecodebin2.c:1827:gst_decode_group_check_if_blocked: Group isn't
> complete yet
> D/GstPlayer( 1792): [1798], DEBUG  
> mfw_gst_avidemuxer.c:607:avidemuxer_fill_stream_info:  out of  gboolean
> avidemuxer_fill_stream_info 
> D/GstPlayer( 1792): 
> D/GstPlayer( 1792): [1798], DEBUG  
> mfw_gst_avidemuxer.c:992:mfw_gst_avidemuxer_parse_header: signaling no
> more pads from mfw_avidemuxer
> D/GstPlayer( 1792): [1798], DEBUG  
> gstdecodebin2.c:1979:gst_decode_group_expose: going to expose group
> 0xbf780
> D/GstPlayer( 1792): [1798], DEBUG  
> gstdecodebin2.c:2037:gst_decode_group_expose: About to expose dpad
> decodepad2 as src0
> D/GstPlayer( 1792): [1798], DEBUG  
> gstdecodebin2.c:2046:gst_decode_group_expose: emitting new-decoded-pad
> D/GstPlayer( 1792): [1798], DEBUG  
> gsturidecodebin.c:671:new_decoded_pad_cb: new decoded pad, name: <src0>.
> Last: 1
> D/GstPlayer( 1792): [1798], DEBUG   gstplaybin2.c:1680:pad_added_cb: pad
> uridecodebin0:src0 with caps 0x76620 added in group 0x8c290
> 
> I don't know what causes the errors which seemed it didn't touch the sink
> ?
> BTW:i do this job on freescale IMX27 board which supported hardware codec
> and freescale offers the plugins avidemuxer and decoder . 
> 
> Can anyone help me ? i will be appreciated.
> 
> 
I'm new to gstreamer .And i wonder what the plugin "ffmepcolorspace" do ? 
I have looked into the source code but still have no idea.
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