1 files changed, 1 insertions, 4 deletions
diff --git a/libavcodec/h264.c b/libavcodec/h264.c
index 31a69f9a14..20aed27fd1 100644
--- a/libavcodec/h264.c
+++ b/libavcodec/h264.c
@@ -3764,7 +3764,7 @@ static int decode_nal_units(H264Context *h, const uint8_t *buf, int buf_size){
         int consumed;
         int dst_length;
         int bit_length;
-        uint8_t *ptr;
+        const uint8_t *ptr;
         int i, nalsize = 0;
         int err;
 
@@ -3814,9 +3814,6 @@ static int decode_nal_units(H264Context *h, const uint8_t *buf, int buf_size){
         }
 
         if (h->is_avc && (nalsize != consumed) && nalsize){
-            // set trailing bits in the last partial byte to zero
-            if (bit_length & 7)
-                ptr[bit_length >> 3] = ptr[bit_length >> 3] & (0xff << 8 - (bit_length & 7));
             av_log(h->s.avctx, AV_LOG_DEBUG, "AVC: Consumed only %d bytes instead of %d\n", consumed, nalsize);
         }