add more build controls

[goodguy/history.git] / cinelerra-5.1 / libzmpeg3 / a52dec-0.7.3 / liba52 / bitstream.c

diff --git a/cinelerra-5.1/libzmpeg3/a52dec-0.7.3/liba52/bitstream.c b/cinelerra-5.1/libzmpeg3/a52dec-0.7.3/liba52/bitstream.c
deleted file mode 100644 (file)
index c2d176d..0000000
--- a/cinelerra-5.1/libzmpeg3/a52dec-0.7.3/liba52/bitstream.c
+++ /dev/null
@@ -1,103 +0,0 @@
-/*
- * bitstream.c
- * Copyright (C) 2000-2002 Michel Lespinasse <walken@zoy.org>
- * Copyright (C) 1999-2000 Aaron Holtzman <aholtzma@ess.engr.uvic.ca>
- *
- * This file is part of a52dec, a free ATSC A-52 stream decoder.
- * See http://liba52.sourceforge.net/ for updates.
- *
- * a52dec is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * a52dec is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
- */
-
-#include "config.h"
-
-#include <inttypes.h>
-
-#include "a52.h"
-#include "a52_internal.h"
-#include "bitstream.h"
-
-#define BUFFER_SIZE 4096
-
-static uint32_t * buffer_start;
-
-uint32_t a52_bits_left;
-uint32_t a52_current_word;
-
-void a52_bitstream_set_ptr (uint8_t * buf)
-{
-    int align;
-
-    align = (long)buf & 3;
-    buffer_start = (uint32_t *) (buf - align);
-    a52_bits_left = 0;
-    bitstream_get (align * 8);
-}
-
-static inline void
-bitstream_fill_current()
-{
-    uint32_t tmp;
-
-    tmp = *(buffer_start++);
-    a52_current_word = swab32 (tmp);
-}
-
-/*
- * The fast paths for _get is in the
- * bitstream.h header file so it can be inlined.
- *
- * The "bottom half" of this routine is suffixed _bh
- *
- * -ah
- */
-
-uint32_t
-a52_bitstream_get_bh(uint32_t num_bits)
-{
-    uint32_t result;
-
-    num_bits -= a52_bits_left;
-    result = ((a52_current_word << (32u - a52_bits_left)) >>
-             (32u - a52_bits_left));
-
-    bitstream_fill_current();
-
-    if(num_bits != 0)
-       result = (result << num_bits) | (a52_current_word >> (32u - num_bits));
-
-    a52_bits_left = 32u - num_bits;
-
-    return result;
-}
-
-int32_t
-a52_bitstream_get_bh_2(uint32_t num_bits)
-{
-    int32_t result;
-
-    num_bits -= a52_bits_left;
-    result = ((((int32_t)a52_current_word) << (32u - a52_bits_left)) >>
-             (32u - a52_bits_left));
-
-    bitstream_fill_current();
-
-    if(num_bits != 0)
-       result = (result << num_bits) | (a52_current_word >> (32u - num_bits));
-       
-    a52_bits_left = 32u - num_bits;
-
-    return result;
-}