[FFmpeg-devel] [PATCH]lavc/pngdec: Reset has_trns on init

[Carl Eugen Hoyos]

Hi!

Attached patch fixes ticket #4887 for me.

Please comment, Carl Eugen
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diff --git a/libavcodec/pngdec.c b/libavcodec/pngdec.c
index ee11f12..c794b47 100644
--- a/libavcodec/pngdec.c
+++ b/libavcodec/pngdec.c
@@ -1077,6 +1077,7 @@ static int decode_frame_common(AVCodecContext *avctx, PNGDecContext *s,
     int decode_next_dat = 0;
     int ret;
 
+    s->has_trns = 0;
     for (;;) {
         length = bytestream2_get_bytes_left(&s->gb);
         if (length <= 0) {