VIDEO_HEIGHT       49 libavfilter/avf_showcqt.c #define SPECTOGRAM_HEIGHT ((VIDEO_HEIGHT-FONT_HEIGHT)/2)
VIDEO_HEIGHT       50 libavfilter/avf_showcqt.c #define SPECTOGRAM_START (VIDEO_HEIGHT-SPECTOGRAM_HEIGHT)
VIDEO_HEIGHT      335 libavfilter/avf_showcqt.c     int video_height = (VIDEO_HEIGHT/2) * video_scale;