1  typedef struct AVCodecContext
       2  {
       3    int flags;
       4    void *priv_data;
       5    char codec_name[32];
       6  }
       7  AVCodecContext;
       8  typedef struct ScanTable
       9  {
      10    int obmc;
      11    int umvplus;
      12    int h263_aic;
      13  }
      14  MpegEncContext;
      15  MPV_encode_init (AVCodecContext *avctx)
      16  {
      17    MpegEncContext *s = avctx->priv_data;
      18    s->umvplus = (avctx->flags & 0x02000000) ? 1 : 0;
      19    s->h263_aic = (avctx->flags & 0x01000000) ? 1 : 0;
      20    s->h263_aic = s->obmc || s->umvplus;
      21  }