Le dim. 10 mars 2019 23:41, Carl Eugen Hoyos <[email protected]> a écrit :
> 2019-03-06 16:07 GMT+01:00, NDJORE BORIS <[email protected]>: > > Le mer. 6 mars 2019 à 14:19, Carl Eugen Hoyos <[email protected]> a > écrit > > : > > > >> 2019-03-06 11:56 GMT+01:00, NDJORE BORIS <[email protected]>: > >> > >> > I want to extract all motion vectors in P_type mocroblock in a > >> > P_frame during encoding h264 video with libx264 (x264). > >> > >> Since x264 != FFmpeg, this cannot be answered here. > >> (I don't know if x264 offers an api to export the info but > >> if the api exists, it is not supported by FFmpeg). > >> > > Ok. It means that it is not possible to have such info > > with x264 (x264Context)? > > It means that I don't know if libx264 offers the information > but it is not available through FFmpeg. > > > I understand and I want to know if the only encoder we > > can use to transcode h264 video format is x264? > > No, several other encoders including libopenh264, vaapi, > qsv, videotoolbox, nvenc and amf exist in FFmpeg. > > Carl Eugen > > > Then, we can have access to motion vectors informations with these > encoders? If yes, tell me how to use them, please. I just enabled vaapi in my configure options but It doesn't work. I have the error : vaapi hardware is needed. Thanks
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