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-rw-r--r--libavcodec/pngenc.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/pngenc.c b/libavcodec/pngenc.c
index 0231bf7c3b..d6233d0dc4 100644
--- a/libavcodec/pngenc.c
+++ b/libavcodec/pngenc.c
@@ -399,9 +399,9 @@ static int encode_frame(AVCodecContext *avctx, AVPacket *pkt,
s->buf[10] = 0; /* compression type */
s->buf[11] = 0; /* filter type */
s->buf[12] = is_progressive; /* interlace type */
-
png_write_chunk(&s->bytestream, MKTAG('I', 'H', 'D', 'R'), s->buf, 13);
+ /* write physical information */
if (s->dpm) {
AV_WB32(s->buf, s->dpm);
AV_WB32(s->buf + 4, s->dpm);