/* use variable in the frame */
AVRational pixel_aspect = m_pCodecContext->sample_aspect_ratio;
if (m_pBufferRef)
+#if defined(LIBAVFILTER_FROM_FFMPEG)
pixel_aspect = m_pBufferRef->video->sample_aspect_ratio;
+#else
+ pixel_aspect = m_pBufferRef->video->pixel_aspect;
+#endif
if (pixel_aspect.num == 0)
aspect_ratio = 0;