avfilter/avf_avectorscope: fix zoom 0 mode with nonlinear scale

Paul B Mahol committed 5 years ago

Commit 0b150e41 parent 7747ab71 file · +12 −0Browse files

Unified · Split

libavfilter/avf_avectorscope.c+12−0

@@ -303,6 +303,18 @@ static int filter_frame(AVFilterLink inlink, AVFrame insamples) · 302 unmodified lines
303	av_assert2(0);	303	av_assert2(0);
304	}	304	}
305		305
		306	switch (s->scale) {
		307	case SQRT:
		308	max = sqrtf(max);
		309	break;
		310	case CBRT:
		311	max = cbrtf(max);
		312	break;
		313	case LOG:
		314	max = logf(1 + max) / logf(2);
		315	break;
		316	}
		317
306	zoom = 1. / max;	318	zoom = 1. / max;
307	}	319	}
308		320