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authorMichael Niedermayer <michael@niedermayer.cc>2021-05-02 15:49:55 +0200
committerMichael Niedermayer <michael@niedermayer.cc>2021-10-09 22:02:20 +0200
commit241b505b0c71f64edd13b137d0b8b4b1c4fd61fb (patch)
treea02c4df4a5da41e441cbb4fa1d028cfaa58541d0
parentbb46e9cc84675cb0bb342c246596435ebc56083e (diff)
downloadffmpeg-241b505b0c71f64edd13b137d0b8b4b1c4fd61fb.tar.gz
avcodec/jpeglsdec: Set alpha plane in PAL8 so image is not 100% transparent
Fixes: tickets/3933/128.jls Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> (cherry picked from commit 011006874cb46325b6bc83234f81879ff421c05f) Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
-rw-r--r--libavcodec/jpeglsdec.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/jpeglsdec.c b/libavcodec/jpeglsdec.c
index 92285decb7..176300cd2f 100644
--- a/libavcodec/jpeglsdec.c
+++ b/libavcodec/jpeglsdec.c
@@ -122,7 +122,7 @@ int ff_jpegls_decode_lse(MJpegDecodeContext *s)
s->avctx->pix_fmt = AV_PIX_FMT_PAL8;
for (i=s->palette_index; i<=maxtab; i++) {
uint8_t k = i << shift;
- pal[k] = 0;
+ pal[k] = wt < 4 ? 0xFF000000 : 0;
for (j=0; j<wt; j++) {
pal[k] |= get_bits(&s->gb, 8) << (8*(wt-j-1));
}