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-rw-r--r--sub/draw_bmp.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/sub/draw_bmp.c b/sub/draw_bmp.c
index 09068dba89..4057500f01 100644
--- a/sub/draw_bmp.c
+++ b/sub/draw_bmp.c
@@ -287,8 +287,10 @@ static void draw_ass(struct mp_draw_sub_cache *cache, struct mp_rect bb,
cspar.int_bits_out = 8;
float yuv2rgb[3][4], rgb2yuv[3][4];
- mp_get_yuv2rgb_coeffs(&cspar, yuv2rgb);
- mp_invert_yuv2rgb(rgb2yuv, yuv2rgb);
+ if (temp->flags & MP_IMGFLAG_YUV) {
+ mp_get_yuv2rgb_coeffs(&cspar, yuv2rgb);
+ mp_invert_yuv2rgb(rgb2yuv, yuv2rgb);
+ }
for (int i = 0; i < sbs->num_parts; ++i) {
struct sub_bitmap *sb = &sbs->parts[i];