avcodec/h264_parser: Avoid adding SEI to the global header

Only consider SEI when no PPS has been found yet
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

libavcodec/h264_parser.c

@@ -519,16 +519,19 @@ static int h264_split(AVCodecContext *avctx,
     int i;
     uint32_t state = -1;
     int has_sps    = 0;
+    int has_pps    = 0;
 
     for (i = 0; i <= buf_size; i++) {
         if ((state & 0xFFFFFF1F) == 0x107)
             has_sps = 1;
+        if ((state & 0xFFFFFF1F) == 0x108)
+            has_pps = 1;
         /*  if ((state&0xFFFFFF1F) == 0x101 ||
          *     (state&0xFFFFFF1F) == 0x102 ||
          *     (state&0xFFFFFF1F) == 0x105) {
          *  }
          */
-        if ((state & 0xFFFFFF00) == 0x100 && (state & 0xFFFFFF1F) != 0x106 &&
+        if ((state & 0xFFFFFF00) == 0x100 && ((state & 0xFFFFFF1F) != 0x106 || has_pps) &&
             (state & 0xFFFFFF1F) != 0x107 && (state & 0xFFFFFF1F) != 0x108 &&
             (state & 0xFFFFFF1F) != 0x109 && (state & 0xFFFFFF1F) != 0x10d &&
             (state & 0xFFFFFF1F) != 0x10f) {