[FFmpeg-cvslog] avfilter/vf_v360: do not remap alpha plane if that will be overwritten later

[Paul B Mahol]

ffmpeg | branch: master | Paul B Mahol <onemda at gmail.com> | Sat Jan 25 20:00:53 2020 +0100| [4b4bcb126c303619e35f29e16caaa2e8962cf34d] | committer: Paul B Mahol

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

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=4b4bcb126c303619e35f29e16caaa2e8962cf34d
---

 libavfilter/vf_v360.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavfilter/vf_v360.c b/libavfilter/vf_v360.c
index 6d476c6392..de79fcdcf2 100644
--- 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;                        \