On 1/28/20, Robert Deibel <deibel.rob...@googlemail.com> wrote: > On 27.01.20 16:44, Paul B Mahol wrote: >> On 1/27/20, Robert Deibel <deibel.rob...@googlemail.com> wrote: >>> - y = *dy = av_clipd(*dy, 0, FFMAX(in->height - h, 0)); >>> - var_values[VAR_Y] = *dy; >>> - y &= ~((1 << s->desc->log2_chroma_h) - 1); >>> - >>> - out = ff_get_video_buffer(outlink, outlink->w, outlink->h); >>> + out = ff_get_video_buffer(outlink, overscaled_w, overscaled_h); >> This is wrong. outlink->w/h should be used always, otherwise outlink >> w/h differs from frame w/h. >> > So how should I create a video buffer? I tried av_frame_alloc + setting > width, height and format + av_frame_get_buffer, but this resulted in a > heavy performance impact. Apart from the fact, that I can't get the > correct data copied. > > Also, if it's not allowed to pass other w/h why is it even possible? Or > is it only a problem if I use the outlink? Could I request a buffer from > the inlink with the modified sizes?
Frame w/h should be exactly same as outlink w/h. Otherwise output will not have always same w/h. Why are you changing w/h at all? > > _______________________________________________ > ffmpeg-devel mailing list > ffmpeg-devel@ffmpeg.org > https://ffmpeg.org/mailman/listinfo/ffmpeg-devel > > To unsubscribe, visit link above, or email > ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe". _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
