libavutil/frame.c:488: error: Buffer Overrun L3
  Offset added: 32 Size: [0, +oo].

libavutil/frame.c:474:1: <Length trace>
472. }
473. 
474. static int frame_copy_video(AVFrame *dst, const AVFrame *src)
     ^
475. {
476.     const uint8_t *src_data[4];

libavutil/frame.c:474:1: Parameter `src->data[*]`
472. }
473. 
474. static int frame_copy_video(AVFrame *dst, const AVFrame *src)
     ^
475. {
476.     const uint8_t *src_data[4];

libavutil/frame.c:488:5: Array access: Offset added: 32 Size: [0, +oo]
486.             return AVERROR(EINVAL);
487. 
488.     memcpy(src_data, src->data, sizeof(src_data));
         ^
489.     av_image_copy(dst->data, dst->linesize,
490.                   src_data, src->linesize,
