[Bug 731400] pnmdec: PNMDecoder gives sticky event warning

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=731400
  GStreamer | gst-plugins-bad | unspecified

--- Comment #4 from Sanjay NM <sanjay.nm at samsung.com> 2014-06-10 12:54:30 UTC ---
Thanks for the reply. 

Need bit of clarification regarding parsing,
PPM if its stored as raw data then its possible to know how many input bytes
are to be read (w * h) for gray and (w * h * 3) for RGB, but if its in ascii
then input number of bytes is not possible to calculate as data will be stored
as number between 0 to 255. 0 takes 1 byte and value above 99 takes 3 bytes.
So to overcome this problem the current parser parses ascii converts data to
raw, stores it in buffer. Now from size of that buffer we can know how many
pixels are read.
I am not very clear on how to know the number of bytes to read after reading
header (Point 2). Is there any way I get a notification saying end of stream
(or data) using which I can read till end of data and then call _add_to_frame
with this ? Is this a better way than the current approach ?

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