Revert "h264: skip start code search if the size of the nal unit is known"

This reverts commit 87eebb3454ff0cd6af6ebf9e1d31bdfd1c3b601b.

1 files changed, 2 insertions, 9 deletions

diff --git a/libavcodec/h264.c b/libavcodec/h264.c
index 5d4ce90cae..77acd7168f 100644
--- a/libavcodec/h264.c
+++ b/libavcodec/h264.c
@@ -137,10 +137,7 @@ int ff_h264_check_intra_pred_mode(H264Context *h, int mode){
     return mode;
 }
 
-const uint8_t *ff_h264_decode_nal(H264Context *h, const uint8_t *src,
-                                  int *dst_length, int *consumed, int length,
-                                  int nalsize_known)
-{
+const uint8_t *ff_h264_decode_nal(H264Context *h, const uint8_t *src, int *dst_length, int *consumed, int length){
     int i, si, di;
     uint8_t *dst;
     int bufidx;
@@ -151,9 +148,6 @@ const uint8_t *ff_h264_decode_nal(H264Context *h, const uint8_t *src,
 
     src++; length--;
 
-    if (nalsize_known) {
-        i = length;
-    } else
 #if HAVE_FAST_UNALIGNED
 # if HAVE_FAST_64BIT
 #   define RS 7
@@ -3795,8 +3789,7 @@ static int decode_nal_units(H264Context *h, const uint8_t *buf, int buf_size){
 
         hx = h->thread_context[context_count];
 
-        ptr= ff_h264_decode_nal(hx, buf + buf_index, &dst_length, &consumed,
-                                next_avc - buf_index, !!nalsize);
+        ptr= ff_h264_decode_nal(hx, buf + buf_index, &dst_length, &consumed, next_avc - buf_index);
         if (ptr==NULL || dst_length < 0){
             return -1;
         }