Merge commit '218d6844b37d339ffbf2044ad07d8be7767e2734'

[ffmpeg.git] / libavcodec / h264_parser.c

diff --git a/libavcodec/h264_parser.c b/libavcodec/h264_parser.c
index 1d27fe2..a16366a 100644 (file)
--- a/libavcodec/h264_parser.c
+++ b/libavcodec/h264_parser.c
@@ -65,30 +65,9 @@ static int h264_find_frame_end(H264Context *h, const uint8_t *buf,
         }
 
         if (state == 7) {
         }
 
         if (state == 7) {

-#if HAVE_FAST_UNALIGNED
-            /* we check i < buf_size instead of i + 3 / 7 because it is
-             * simpler and there must be FF_INPUT_BUFFER_PADDING_SIZE
-             * bytes at the end.
-             */
-#    if HAVE_FAST_64BIT
-            while (i < next_avc &&
-                   !((~*(const uint64_t *)(buf + i) &
-                      (*(const uint64_t *)(buf + i) - 0x0101010101010101ULL)) &
-                      0x8080808080808080ULL))
-                i += 8;
-#    else
-            while (i < next_avc &&
-                   !((~*(const uint32_t *)(buf + i) &
-                      (*(const uint32_t *)(buf + i) - 0x01010101U)) &
-                      0x80808080U))
-                i += 4;
-#    endif
-#endif
-            for (; i < next_avc; i++)
-                if (!buf[i]) {
-                    state = 2;
-                    break;
-                }
+            i += h->h264dsp.h264_find_start_code_candidate(buf + i, next_avc - i);
+            if (i < next_avc)
+                state = 2;

         } else if (state <= 2) {
             if (buf[i] == 1)
                 state ^= 5;            // 2->7, 1->4, 0->5
         } else if (state <= 2) {
             if (buf[i] == 1)
                 state ^= 5;            // 2->7, 1->4, 0->5