[Bug 757254] Generic GstMeta not copied because buffer is not writable

[GStreamer (GNOME Bugzilla)]

https://bugzilla.gnome.org/show_bug.cgi?id=757254

Thiago Sousa Santos <thiagossantos at gmail.com> changed:

           What    |Removed                     |Added
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                 CC|                            |thiagossantos at gmail.com

--- Comment #1 from Thiago Sousa Santos <thiagossantos at gmail.com> ---
The frame is mapped from gstavviddec.c while decoding and mapping takes 1 extra
ref, making it not writable. Happens at gst_ffmpegviddec_get_buffer2

Perhaps we want to use the MAP_FLAG_NO_REF flag to make sure it won't take an
extra ref? Would be nice to verify that the buffer won't be unrefed while it
happens is mapped.

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