[gst-devel] gst-rtsp-server and ffmpeg message

Arnout Vandecappelle arnout at mind.be
Tue Oct 13 18:09:54 CEST 2009


On Tuesday 13 Oct 2009 11:51:42 Thành Trung Nguyễn wrote:
> Here's what I got when using --gst-debug:
> 
> ....
> 0:00:40.041460639 29100  0x91ac738 DEBUG           rtph264depay
> gstrtph264depay.c:560:gst_rtp_h264_depay_process:<rtph264depay0> queueing
> 1386 bytes
> 0:00:40.041587089 29100  0x91ac738 DEBUG           rtph264depay
> gstrtph264depay.c:404:gst_rtp_h264_depay_process:<rtph264depay0> receiving
> 1132 bytes
> 0:00:40.041702807 29100  0x91ac738 DEBUG           rtph264depay
> gstrtph264depay.c:421:gst_rtp_h264_depay_process:<rtph264depay0> NRI 2,
>  Type 28
> 0:00:40.041814445 29100  0x91ac738 DEBUG           rtph264depay
> gstrtph264depay.c:519:gst_rtp_h264_depay_process:<rtph264depay0> S 0, E 1
> 0:00:40.041929402 29100  0x91ac738 DEBUG           rtph264depay
> gstrtph264depay.c:560:gst_rtp_h264_depay_process:<rtph264depay0> queueing
> 1130 bytes
> 0:00:40.042042693 29100  0x91ac738 DEBUG           rtph264depay
> gstrtph264depay.c:568:gst_rtp_h264_depay_process:<rtph264depay0> output
>  1130 bytes
> 0:00:40.042204307 29100  0x91ac738 DEBUG           rtph264depay
> gstrtph264depay.c:404:gst_rtp_h264_depay_process:<rtph264depay0> receiving
>  2 bytes
> 0:00:40.042320160 29100  0x91ac738 DEBUG           rtph264depay
> gstrtph264depay.c:421:gst_rtp_h264_depay_process:<rtph264depay0> NRI 0,
>  Type 9

 So there's nothing like 'decoding param 0 (Z01AH5JUAoAt2AiAAAADAIAAAB5HjBlQ)' 
in the debug output?  That's extremely strange...

> I haven't found anything like 'codec_data buffer is pushed'.

 Yeah, looks like rtph264depay doesn't log anything for that.  You can turn on 
debugging for basertpdepayload and look for two subsequent 'Pushing buffer' 
messages.

> Tried to set byte-stream=false to rtph264depay, I got this message:
> 0:00:03.536385694 29480  0x94ef290 ERROR                 ffmpeg :0:: no
> frame!

 That's really strange...  No debug messages from rtph264depay?

 Regards,
 Arnout
-- 
Arnout Vandecappelle                               arnout at mind be
Senior Embedded Software Architect                 +32-16-286540
Essensium/Mind                                     http://www.mind.be
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