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-rw-r--r--libavformat/nutdec.c15
1 files changed, 10 insertions, 5 deletions
diff --git a/libavformat/nutdec.c b/libavformat/nutdec.c
index bf1ab7b933..e560a7e8ee 100644
--- a/libavformat/nutdec.c
+++ b/libavformat/nutdec.c
@@ -238,7 +238,9 @@ static int decode_main_header(NUTContext *nut)
GET_V(nut->time_base[i].num, tmp > 0 && tmp < (1ULL << 31));
GET_V(nut->time_base[i].den, tmp > 0 && tmp < (1ULL << 31));
if (av_gcd(nut->time_base[i].num, nut->time_base[i].den) != 1) {
- av_log(s, AV_LOG_ERROR, "time base invalid\n");
+ av_log(s, AV_LOG_ERROR, "invalid time base %d/%d\n",
+ nut->time_base[i].num,
+ nut->time_base[i].den);
return AVERROR_INVALIDDATA;
}
}
@@ -281,7 +283,8 @@ static int decode_main_header(NUTContext *nut)
return AVERROR_INVALIDDATA;
}
if (tmp_stream >= stream_count) {
- av_log(s, AV_LOG_ERROR, "illegal stream number\n");
+ av_log(s, AV_LOG_ERROR, "illegal stream number %d >= %d\n",
+ tmp_stream, stream_count);
return AVERROR_INVALIDDATA;
}
@@ -309,11 +312,13 @@ static int decode_main_header(NUTContext *nut)
for (i = 1; i < nut->header_count; i++) {
uint8_t *hdr;
GET_V(nut->header_len[i], tmp > 0 && tmp < 256);
- rem -= nut->header_len[i];
- if (rem < 0) {
- av_log(s, AV_LOG_ERROR, "invalid elision header\n");
+ if (rem < nut->header_len[i]) {
+ av_log(s, AV_LOG_ERROR,
+ "invalid elision header %d : %d > %d\n",
+ i, nut->header_len[i], rem);
return AVERROR_INVALIDDATA;
}
+ rem -= nut->header_len[i];
hdr = av_malloc(nut->header_len[i]);
if (!hdr)
return AVERROR(ENOMEM);