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-rw-r--r--libavcodec/dpxenc.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/libavcodec/dpxenc.c b/libavcodec/dpxenc.c
index fa8a190aa2..de32e4e959 100644
--- a/libavcodec/dpxenc.c
+++ b/libavcodec/dpxenc.c
@@ -121,7 +121,9 @@ static int encode_frame(AVCodecContext *avctx, unsigned char *buf, int buf_size,
memcpy (buf + 8, "V1.0", 4);
write32(buf + 20, 1); /* new image */
write32(buf + 24, HEADER_SIZE);
- memcpy (buf + 160, LIBAVCODEC_IDENT, FFMIN(sizeof(LIBAVCODEC_IDENT), 100));
+ if(!(avctx->flags & CODEC_FLAG_BITEXACT)){
+ memcpy (buf + 160, LIBAVCODEC_IDENT, FFMIN(sizeof(LIBAVCODEC_IDENT), 100));
+ }
write32(buf + 660, 0xFFFFFFFF); /* unencrypted */
/* Image information header */