Reading it from any other position would result in a wrong size being
read, instead fallback to the re-sync mechanic in the else clause.
---
libavcodec/h2645_parse.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/libavcodec/h2645_parse.c b/libavcodec/h2645_parse.c
index 9979b63..26f2e85 100644
--- a/libavcodec/h2645_parse.c
+++ b/libavcodec/h2645_parse.c
@@ -258,7 +258,7 @@ int ff_h2645_packet_split(H2645Packet *pkt, const uint8_t
*buf, int length,
int extract_length = 0;
int skip_trailing_zeros = 1;
- if (buf >= next_avc) {
+ if (buf == next_avc) {
int i;
for (i = 0; i < nal_length_size; i++)
extract_length = (extract_length << 8) | buf[i];
@@ -271,6 +271,9 @@ int ff_h2645_packet_split(H2645Packet *pkt, const uint8_t
*buf, int length,
}
next_avc = buf + extract_length;
} else {
+ if (buf > next_avc)
+ av_log(logctx, AV_LOG_WARNING, "Exceeded next NALFF position,
re-syncing.\n");
+
/* search start code */
while (buf[0] != 0 || buf[1] != 0 || buf[2] != 1) {
++buf;
--
2.9.0.windows.1
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