1 files changed, 0 insertions, 105 deletions
diff --git a/gr-codec2-vocoder/src/lib/codec2/pack.c b/gr-codec2-vocoder/src/lib/codec2/pack.c
deleted file mode 100644
index 31551dfc43..0000000000
--- a/gr-codec2-vocoder/src/lib/codec2/pack.c
+++ /dev/null
@@ -1,105 +0,0 @@
-/*
-  Copyright (C) 2010 Perens LLC <bruce@perens.com>
-
-  This program 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 3 of the License, or
-  (at your option) any later version.
-
-  This program 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, see <http://www.gnu.org/licenses/>.
-
- */
-#include "defines.h"
-#include "quantise.h"
-#include <stdio.h>
-
-/* Compile-time constants */
-/* Size of unsigned char in bits. Assumes 8 bits-per-char. */
-static const unsigned int	WordSize = 8;
-
-/* Mask to pick the bit component out of bitIndex. */
-static const unsigned int	IndexMask = 0x7;
-
-/* Used to pick the word component out of bitIndex. */
-static const unsigned int	ShiftRight = 3;
-
-/** Pack a bit field into a bit string, encoding the field in Gray code.
- *
- * The output is an array of unsigned char data. The fields are efficiently
- * packed into the bit string. The Gray coding is a naive attempt to reduce
- * the effect of single-bit errors, we expect to do a better job as the
- * codec develops.
- *
- * This code would be simpler if it just set one bit at a time in the string,
- * but would hit the same cache line more often. I'm not sure the complexity
- * gains us anything here.
- *
- * Although field is currently of int type rather than unsigned for
- * compatibility with the rest of the code, indices are always expected to
- * be >= 0.
- */
-void
-pack(
- unsigned char *	bitArray, /* The output bit string. */
- unsigned int *		bitIndex, /* Index into the string in BITS, not bytes.*/
- int			field,	  /* The bit field to be packed. */
- unsigned int		fieldWidth/* Width of the field in BITS, not bytes. */
- )
-{
-  /* Convert the field to Gray code */
-  field = (field >> 1) ^ field;
-
-  do {
-    unsigned int  	bI = *bitIndex;
-    unsigned int	bitsLeft = WordSize - (bI & IndexMask);
-    unsigned int	sliceWidth =
-			 bitsLeft < fieldWidth ? bitsLeft : fieldWidth;
-    unsigned int	wordIndex = bI >> ShiftRight;
-
-    bitArray[wordIndex] |=
-     ((unsigned char)((field >> (fieldWidth - sliceWidth))
-     << (bitsLeft - sliceWidth)));
-    
-    *bitIndex = bI + sliceWidth;
-    fieldWidth -= sliceWidth;
-  } while ( fieldWidth != 0 );
-}
-
-/** Unpack a field from a bit string, converting from Gray code to binary.
- *
- */
-int
-unpack(
- const unsigned char *	bitArray, /* The input bit string. */
- unsigned int *		bitIndex, /* Index into the string in BITS, not bytes.*/
- unsigned int		fieldWidth/* Width of the field in BITS, not bytes. */
- )
-{
-  unsigned int	field = 0;
-  unsigned int	t;
-
-  do {
-    unsigned int  	bI = *bitIndex;
-    unsigned int	bitsLeft = WordSize - (bI & IndexMask);
-    unsigned int	sliceWidth =
-			 bitsLeft < fieldWidth ? bitsLeft : fieldWidth;
-
-    field |= (((bitArray[bI >> ShiftRight] >> (bitsLeft - sliceWidth)) & ((1 << sliceWidth) - 1)) << (fieldWidth - sliceWidth));
-    
-    *bitIndex = bI + sliceWidth;
-    fieldWidth -= sliceWidth;
-  } while ( fieldWidth != 0 );
-
-  /* Convert from Gray code to binary. Works for maximum 8-bit fields. */
-  t = field ^ (field >> 8);
-  t ^= (t >> 4);
-  t ^= (t >> 2);
-  t ^= (t >> 1);
-  return t;
-}