[x264-devel] x264 questions

[Ryan Bauer]

Thank you. I will try what you have suggested, any other suggestions?

On Sat, Feb 14, 2015 at 11:46 AM, Karthick Kumar <karthik1990r at gmail.com>
wrote:

> 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.
>>
>> _______________________________________________
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>> x264-devel at videolan.org
>> https://mailman.videolan.org/listinfo/x264-devel
>>
>>
>
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