回复: Re: How can I deal with the codec_data after qtdemux?

[Mohammed Sameer]

Hi,

You need to pass the SPS and PPS to your hardware decoder in order to "initialize" it.

Cheers,

On Thu, Apr 12, 2012 at 11:05:54AM +0800, ZiQiang Huan wrote:
>  hi, Aihua Zhao
> 
> 
> 
>  Thank you for your reply. I check the link you offer, but not very
>  clear of it.
> 
>  Now I can get the codec_data, then I need to parse it and got the PPS
>  and SPS, right? After that, I need to package PPS and SPS to a
>  GstBuffer and pass it downstream, but how can I package GstH264PPS to a
>  GstBuffer, and does it work for me?
> 
> 
> 
>  Best regards,
>  zqhuan
> 
> 
>  __________________________________________________________________
> 
>  ZiQiang Huan
> 
> 
> 
>  [1]Aihua Zhao
>  2012-04-11 16:18
>  [2]hzqhuan; [3]Discussion of the development of and with GStreamer
>  Re: How can I deal with the codec_data after qtdemux?
> 
>  there are PPS, SPS in it,
>  refer it to:
>  [4]https://gitorious.org/vaapi/gstreamer-vaapi/blobs/master/gst-libs/gs
>  t/vaapi/gstvaapidecoder_h264.c#line2366
>  2012411 1:54ZiQiang Huan <[5]hzqhuan at gmail.com>
> 
>  hi, gstreamers
>  I can play mpegts files which contains h264 video and aac audio. But
>  when I play mp4 files, qtdemux parse them to h264 video and aac audio,
>  but my hardware decoders cannot decode them. I see the logs below
>  /GstPlayBin2:playbin20/GstURIDecodeBin:uridecodebin0.GstGhostPad:src0:
>  caps = video/x-h264, level=(string)4.1, profile=(string)main,
>  codec_data
>  (buffer)014d4029ffe10018674d4029b91816824d080000030008000003019478c189c
>  001000468ee0fc8, width=(i
>  nt)720, height=(int)576, framerate=(fraction)30000/1001,
>  pixel-aspect-ratio=(fraction)16/15
>  I try to search some info about this from internet, but still not aware
>  of this. So how I can deal with codec_data? any suggestions for this or
>  any examples for this ?
>  Best regards,
>  zqhuan
>  __________________________________________________________________
> 
>  ZiQiang Huan
> 
>  _______________________________________________
>  gstreamer-devel mailing list
>  [6]gstreamer-devel at lists.freedesktop.org
>  [7]http://lists.freedesktop.org/mailman/listinfo/gstreamer-devel
> 
> References
> 
>  1. mailto:halley.zhaoaihua at gmail.com
>  2. mailto:hzqhuan at gmail.com
>  3. mailto:gstreamer-devel at lists.freedesktop.org
>  4. https://gitorious.org/vaapi/gstreamer-vaapi/blobs/master/gst-libs/gst/vaapi/gstvaapidecoder_h264.c#line2366
>  5. mailto:hzqhuan at gmail.com
>  6. mailto:gstreamer-devel at lists.freedesktop.org
>  7. http://lists.freedesktop.org/mailman/listinfo/gstreamer-devel

> _______________________________________________
> gstreamer-devel mailing list
> gstreamer-devel at lists.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/gstreamer-devel


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