[FFmpeg-devel] v4l2.c : numerator and denominator are alternated

[henk devolder]

Hi,

I had a look in the v4l2.c source ...

In the v4l2_set_parameters function it seems to me
that the numerator and denominator variables are alternated.


     if (framerate_q.num && framerate_q.den) {
         av_log(s1, AV_LOG_DEBUG, "Setting time per frame to %d/%d\n",
                framerate_q.den, framerate_q.num);
   -->      tpf->numerator   = framerate_q.den;
   -->      tpf->denominator = framerate_q.num;
         if (v4l2_ioctl(s->fd, VIDIOC_S_PARM, &streamparm) != 0) {
             av_log(s1, AV_LOG_ERROR,
                    "ioctl set time per frame(%d/%d) failed\n",
                    framerate_q.den, framerate_q.num);
             return AVERROR(EIO);
         }

  -->       if (framerate_q.num != tpf->denominator ||
  -->           framerate_q.den != tpf->numerator) {
             av_log(s1, AV_LOG_INFO,
                    "The driver changed the time per frame from %d/%d to  
%d/%d\n",
                    framerate_q.den, framerate_q.num,
                    tpf->numerator, tpf->denominator);
         }


Kr,

Henk

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