Report & solution provided by Andreas Rheinhardt.
Unified · Split
| @@ -387,6 +387,7 @@ static av_cold int init_alphaextract(AVFilterContext *ctx) · 386 unmodified lines | ||
| 387 | 387 | ExtractPlanesContext *s = ctx->priv; |
| 388 | 388 | |
| 389 | 389 | s->requested_planes = PLANE_A; |
| 390 | + s->map[0] = 3; | |
| 390 | 391 | |
| 391 | 392 | return 0; |
| 392 | 393 | } |