The configuration this way is working as expected but i get into another
problem., I m using the built in rtsp client to connect to a live555
server. the video is playing perfectly till i lost a packet (for testing
purpose im using ffplay) than the decoding breaks and i get many
artifacts and flickering which never returns back to a well output. i
think this is because of frames which depending on other frames.
what im expecting of zerolantency is one packet (frame/nal) is not
depending on other frames so it can be decoded as it is. this seems to
be not the case.
what configuration is needed to get sure one packet - one nal unit can
be encoded without another packet/nal unit?
Am 17.06.2012 12:09, schrieb Christian Brümmer:
Nice this is exactly what i need!
Thank you!
Am 17.06.2012 02:16, schrieb Aleksey Shubin:
There is "preset" and "tune" options in ffmpeg, you can set them that
way:
#include "opt.h"
av_opt_set(codecContex->priv_data, "preset", "ultrafast", 0);
av_opt_set(codecContex->priv_data, "tune", "zerolatency", 0);
where codecContex is AVCodecContext.
For other x264 options that isn't presented in ffmpeg you could use
"x264opts" option:
av_opt_set(codecContex->priv_data, "x264opts",
"no-mbtree:sliced-threads:sync-lookahead=0", 0);
2012/6/17 Christian Brümmer<[email protected]>:
I need information how to set those parameter via c/c++! this where
things
become tricky
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