avfilter/vf_waveform: do not add tint if output format is gray

3 years ago · cc2b3201e7
parent da473e0984
commit cc2b3201e7
1 changed files with 2 additions and 2 deletions
--- a/libavfilter/vf_waveform.c
+++ b/libavfilter/vf_waveform.c
@ -881,7 +881,7 @@ static av_always_inline void lowpass(WaveformContext *s,
        dst_data += dst_linesize * step;
    }

-    if (s->display != OVERLAY && column && !s->rgb) {
+    if (s->display != OVERLAY && column && !s->rgb && out->data[1] && out->data[2]) {
        const int bg = s->bg_color[0];
        const int dst_h = 256;
        const int t0 = s->tint[0];
@ -905,7 +905,7 @@ static av_always_inline void lowpass(WaveformContext *s,
            dst0 += dst_linesize;
            dst1 += dst_linesize;
        }
-    } else if (s->display != OVERLAY && !s->rgb) {
+    } else if (s->display != OVERLAY && !s->rgb && out->data[1] && out->data[2]) {
        const int bg = s->bg_color[0];
        const int dst_w = 256;
        const int t0 = s->tint[0];