lavc: Move start code finding to utils.c

This allows dropping the mpegvideo dependency from a number of
components.

This also fixes standalone building of the h264 parser, which
was broken in 64e438697.

Signed-off-by: Martin Storsjö <martin@martin.st>

1 files changed, 0 insertions, 33 deletions

diff --git a/libavcodec/mpegvideo.c b/libavcodec/mpegvideo.c
index dab1485fcc..5635c26c83 100644
--- a/libavcodec/mpegvideo.c
+++ b/libavcodec/mpegvideo.c
@@ -158,39 +158,6 @@ static void mpeg_er_decode_mb(void *opaque, int ref, int mv_dir, int mv_type,
     ff_MPV_decode_mb(s, s->block);
 }
 
-const uint8_t *avpriv_mpv_find_start_code(const uint8_t *restrict p,
-                                          const uint8_t *end,
-                                          uint32_t * restrict state)
-{
-    int i;
-
-    assert(p <= end);
-    if (p >= end)
-        return end;
-
-    for (i = 0; i < 3; i++) {
-        uint32_t tmp = *state << 8;
-        *state = tmp + *(p++);
-        if (tmp == 0x100 || p == end)
-            return p;
-    }
-
-    while (p < end) {
-        if      (p[-1] > 1      ) p += 3;
-        else if (p[-2]          ) p += 2;
-        else if (p[-3]|(p[-1]-1)) p++;
-        else {
-            p++;
-            break;
-        }
-    }
-
-    p = FFMIN(p, end) - 4;
-    *state = AV_RB32(p);
-
-    return p + 4;
-}
-
 /* init common dct for both encoder and decoder */
 av_cold int ff_dct_common_init(MpegEncContext *s)
 {