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Sur d’autres sites (13849)

  • How to wrap a C library parameter ?(Creating x264 .Net wrapper)

    6 décembre 2016, par Rella

    so in dll we have x264_param_t structure\object and a function for its setting up x264_param_apply_profile. in C we use such code to set it up

    x264_param_t param;
    
x264_param_default_preset(&param, "veryfast", "zerolatency");
    
param.i_threads = 1;
    
param.i_width = width;
    
param.i_height = height;
    
param.i_fps_num = fps;
    
param.i_fps_den = 1;
    
// Intra refres:
    
param.i_keyint_max = fps;
    
param.b_intra_refresh = 1;
    
//Rate control:
    
param.rc.i_rc_method = X264_RC_CRF;
    
param.rc.f_rf_constant = 25;
    
param.rc.f_rf_constant_max = 35;
    
//For streaming:
    
param.b_repeat_headers = 1;
    
param.b_annexb = 1;
    
x264_param_apply_profile(&param, "baseline");

    I want to create wrapper for such.. thing. so I have libx264.dll and visual studio 2010 pro.

    How can I create .Net C# wrapper for it ?

    I am a beginner in P\Invoke stuff so I do not get a lot of it...

    what I want to achive is is frame by frame level of working with x264... By now I need only encoding parts... And all needed sample code for doing it in C is in How does one encode a series of images into H264 using the x264 C API ? . So I need to write a wrapper only for stuff mentioned there... So I am asking - how to create a wrapper on Parameter and on Function that sets up thap param. And I would love to see how to call that wrapper back from c#. So if you could provide any code in support I’d be glad to see it.

  • How to wrap a C library parameter ?(Creating x264 .Net wrapper)

    6 décembre 2016, par Rella

    so in dll we have x264_param_t structure\object and a function for its setting up x264_param_apply_profile. in C we use such code to set it up

    x264_param_t param;
    
x264_param_default_preset(&param, "veryfast", "zerolatency");
    
param.i_threads = 1;
    
param.i_width = width;
    
param.i_height = height;
    
param.i_fps_num = fps;
    
param.i_fps_den = 1;
    
// Intra refres:
    
param.i_keyint_max = fps;
    
param.b_intra_refresh = 1;
    
//Rate control:
    
param.rc.i_rc_method = X264_RC_CRF;
    
param.rc.f_rf_constant = 25;
    
param.rc.f_rf_constant_max = 35;
    
//For streaming:
    
param.b_repeat_headers = 1;
    
param.b_annexb = 1;
    
x264_param_apply_profile(&param, "baseline");

    I want to create wrapper for such.. thing. so I have libx264.dll and visual studio 2010 pro.

    How can I create .Net C# wrapper for it ?

    I am a beginner in P\Invoke stuff so I do not get a lot of it...

    what I want to achive is is frame by frame level of working with x264... By now I need only encoding parts... And all needed sample code for doing it in C is in How does one encode a series of images into H264 using the x264 C API ? . So I need to write a wrapper only for stuff mentioned there... So I am asking - how to create a wrapper on Parameter and on Function that sets up thap param. And I would love to see how to call that wrapper back from c#. So if you could provide any code in support I’d be glad to see it.

  • How to wrap a C library parameter ?(Creating x264 .Net wrapper)

    6 décembre 2016, par Rella

    so in dll we have x264_param_t structure\object and a function for its setting up x264_param_apply_profile. in C we use such code to set it up

    x264_param_t param;
    
x264_param_default_preset(&param, "veryfast", "zerolatency");
    
param.i_threads = 1;
    
param.i_width = width;
    
param.i_height = height;
    
param.i_fps_num = fps;
    
param.i_fps_den = 1;
    
// Intra refres:
    
param.i_keyint_max = fps;
    
param.b_intra_refresh = 1;
    
//Rate control:
    
param.rc.i_rc_method = X264_RC_CRF;
    
param.rc.f_rf_constant = 25;
    
param.rc.f_rf_constant_max = 35;
    
//For streaming:
    
param.b_repeat_headers = 1;
    
param.b_annexb = 1;
    
x264_param_apply_profile(&param, "baseline");

    I want to create wrapper for such.. thing. so I have libx264.dll and visual studio 2010 pro.

    How can I create .Net C# wrapper for it ?

    I am a beginner in P\Invoke stuff so I do not get a lot of it...

    what I want to achive is is frame by frame level of working with x264... By now I need only encoding parts... And all needed sample code for doing it in C is in How does one encode a series of images into H264 using the x264 C API ? . So I need to write a wrapper only for stuff mentioned there... So I am asking - how to create a wrapper on Parameter and on Function that sets up thap param. And I would love to see how to call that wrapper back from c#. So if you could provide any code in support I’d be glad to see it.

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