[gst-devel] What is 'forward continuous' and other questions about reverse playback.

[wl2776]

Thank you for the answer!
I'm really appreciate it, as I'm new to the MPEG-2 encoding, and there's not
so much information about free libraries. Libmpeg2, for example, almost not
documented.


ved kpl wrote:
> 
>> For example, filesrc sends bytes from 150 to 200 in the first chunk and
>> 100-150 in the second chunk.
>> Will it mark DISCONT the second chunk?
> 
>    i guess  you meant 100-149.
>    should not, since the 150-200 is continuous w.r.t 100-149.
> 
Yes, you're right, thanks.


ved kpl wrote:
> 
>> Going further, to the MPEG demuxer, processing a video file with I, P and
>> B
>> frames. How are they marked?
>    GST_BUFFER_FLAG_DELTA_UNIT.
>   
> http://www.gstreamer.net/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBuffer.html#GstBufferFlag
> 

I meant, in the context of this DISCONT marking. 
I am failing to understand in which order the frames will be sent
downstream.
And also I cannot completely understand the role of mpegvideoparse
mpegpsdemuxer elements.

Probably, you can share with me a knowledge about the flags, that libmpeg2
returns?
Particularly, why are some frames marked with PIC_FLAG_SKIP?
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