[FFmpeg-devel] [PATCH] avformat/rtmpcrypt: fix discarded const warning
george at nsup.org
Fri Sep 18 21:50:29 CEST 2015
Le jour du Génie, an CCXXIII, Ganesh Ajjanagadde a écrit :
> This patch silences a -Wdiscarded-qualifiers observed with GCC 5.2.
> Signed-off-by: Ganesh Ajjanagadde <gajjanagadde at gmail.com>
> libavformat/rtmpcrypt.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
I am not sure this is correct: the buffer is const for a reason, the warning
is right. An application would be completely allowed to give a buffer in
read-only memory, or to reuse the contents of the buffer afterwards.
Actually, I suspect this muxer, if used as first output in the tee muxer,
would cause the next outputs to be corrupt.
The correct fix would probably be to allocate a new buffer, probably keeping
it in the context for performances reasons instead of allocating each time.
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