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-rw-r--r--libavformat/isom.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/libavformat/isom.c b/libavformat/isom.c
index e13f9cf08d..e15875e066 100644
--- a/libavformat/isom.c
+++ b/libavformat/isom.c
@@ -442,11 +442,12 @@ static int mov_rewrite_dvd_sub_extradata(AVStream *st)
char buf[256];
int pal_s_pos = 0;
uint8_t *src = st->codec->extradata;
+ int i;
if (st->codec->extradata_size != 64)
return 0;
- for (int i = 0; i < 16; i++) {
+ for (i = 0; i < 16; i++) {
uint32_t yuv = AV_RB32(src + i * 4);
uint32_t rgba = yuv_to_rgba(yuv);