[x264-devel] x264 questions

[Karthick Kumar]

I recommend parameters.i_threads to be default (i.e. automatic). This may
reduce encoding time.

On 14 February 2015 at 23:07, Ryan Bauer <r.bauer234 at gmail.com> wrote:

> Hello Everybody,
>
> I have recently started working with x264 for a streaming application. I
> do have some questions about latency and how to stream using a traditional
> socket.
>
> The parameters I currently have setup for my x264 encoder are as follows:
>
> x264_param_default_preset(&parameters, "veryfast", "zerolatency");
> parameters.i_log_level = X264_LOG_INFO;
> parameters.i_threads = 2;
> parameters.i_width = 1600;
> parameters.i_height = 900;
> parameters.i_keyint_max = 60;
> parameters.b_intra_refresh = 1;
> parameters.rc.i_rc_method = X264_RC_CRF;
> parameters.rc.f_rf_constant = 24;
> parameters.rc.f_rf_constant_max = 35;
> parameters.i_sps_id = 7;
>
> parameters.b_repeat_headers = 1;    // to get header before every I-Frame
> parameters.b_annexb = 1; // put start code in front of nal. we will remove
> start code later
> x264_param_apply_profile(&parameters, "baseline");
>
> encoder = x264_encoder_open(&parameters);
> x264_picture_alloc(&picture_in, X264_CSP_I420, parameters.i_width,
> parameters.i_height);
> picture_in.i_type = X264_TYPE_AUTO;
> picture_in.img.i_csp = X264_CSP_I420;
> picture_in.img.i_plane = 4;
>
> Is there anything about these parameters that could be changed to help
> reduce latency?
>
> Is it possible to stream nal units using traditional UDP sockets? I would
> assume it is just a matter of using the payload and length properties,
> granted there is a lot more to it. I am currently using Live555 to stream,
> but I am just curious if it is possible using other means.
>
> I appreciate any help.
>
> _______________________________________________
> x264-devel mailing list
> x264-devel at videolan.org
> https://mailman.videolan.org/listinfo/x264-devel
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mailman.videolan.org/pipermail/x264-devel/attachments/20150214/3599b453/attachment.html>