avfilter/vf_v360: do not remap alpha plane if that will be overwritten later

5 years ago · 4b4bcb126c
parent 75d1d9eb34
commit 4b4bcb126c
1 changed files with 1 additions and 1 deletions
--- a/libavfilter/vf_v360.c
+++ b/libavfilter/vf_v360.c
@ -285,7 +285,7 @@ static int remap##ws##_##bits##bit_slice(AVFilterContext *ctx, void *arg, int jo
            const int slice_start = (height *  jobnr     ) / nb_jobs;                                      \
            const int slice_end   = (height * (jobnr + 1)) / nb_jobs;                                      \
                                                                                                           \
-            for (int y = slice_start; y < slice_end; y++) {                                                \
+            for (int y = slice_start; y < slice_end && !mask; y++) {                                       \
                const int16_t *const u = s->u[map] + y * uv_linesize * ws * ws;                            \
                const int16_t *const v = s->v[map] + y * uv_linesize * ws * ws;                            \
                const int16_t *const ker = s->ker[map] + y * uv_linesize * ws * ws;                        \