Kill the bits_wrap and bits_size parameters of init_vlc().

[paraslash.git] / bitstream.c

diff --git a/bitstream.c b/bitstream.c
index 23adb2bd28912bd3364234b2a367d562ced1740e..e081d0cf61ad7b711065d3d7c4844a3a9691f148 100644 (file)
--- a/bitstream.c
+++ b/bitstream.c
@@ -57,10 +57,9 @@ static int alloc_table(struct vlc *vlc, int size)
        return idx;
 }
 
-static int build_table(struct vlc *vlc, int table_nb_bits,
-               int nb_codes, const void *bits, int bits_wrap, int bits_size,
-               const void *codes, int codes_wrap, int codes_size,
-               uint32_t code_prefix, int n_prefix)
+static int build_table(struct vlc *vlc, int table_nb_bits, int nb_codes,
+               const void *bits, const void *codes, int codes_wrap,
+               int codes_size, uint32_t code_prefix, int n_prefix)
 {
        int ret, i, j, k, n, table_size, table_index, nb, n1, idx, code_prefix2,
                symbol;
@@ -81,7 +80,7 @@ static int build_table(struct vlc *vlc, int table_nb_bits,
 
        /* first pass: map codes and compute auxillary table sizes */
        for (i = 0; i < nb_codes; i++) {
-               GET_DATA(n, bits, i, bits_wrap, bits_size);
+               GET_DATA(n, bits, i, 1, 1);
                GET_DATA(code, codes, i, codes_wrap, codes_size);
                /* we accept tables with holes */
                if (n <= 0)
@@ -124,8 +123,7 @@ static int build_table(struct vlc *vlc, int table_nb_bits,
                                table[i][1] = -n;       //bits
                        }
                        ret = build_table(vlc, n, nb_codes,
-                               bits, bits_wrap, bits_size,
-                               codes, codes_wrap, codes_size,
+                               bits, codes, codes_wrap, codes_size,
                                (code_prefix << table_nb_bits) | i,
                                n_prefix + table_nb_bits);
                        if (ret < 0)
@@ -155,22 +153,18 @@ static int build_table(struct vlc *vlc, int table_nb_bits,
  * \param codes Table which gives the bit pattern of of each
  * vlc code.
  *
- * \param bits_wrap The number of bytes between each entry of the
- * 'bits' or 'codes' tables.
+ * \param codes_wrap The number of bytes between each entry of the
+ * 'codes' tables.
  *
- * \param bits_size The number of bytes of each entry of the
- * 'bits' or 'codes' tables.
- *
- * \param codes_wrap Same as bits_wrap but uses the 'codes' table.
- *
- * \param codes_size Same as bits_size but for the 'codes' table.
+ * \param codes_size The number of bytes of each entry of the
+ * 'codes' tables.
  *
  * The wrap and size parameters allow to use any memory configuration and
  * types (byte/word/long) to store the bits and codes tables.
  */
 int init_vlc(struct vlc *vlc, int nb_bits, int nb_codes,
-               const void *bits, int bits_wrap, int bits_size,
-               const void *codes, int codes_wrap, int codes_size)
+               const void *bits, const void *codes, int codes_wrap,
+               int codes_size)
 {
        int ret;
 
@@ -179,7 +173,7 @@ int init_vlc(struct vlc *vlc, int nb_bits, int nb_codes,
        vlc->table = NULL;
        vlc->table_allocated = 0;
        vlc->table_size = 0;
-       ret = build_table(vlc, nb_bits, nb_codes, bits, bits_wrap, bits_size,
+       ret = build_table(vlc, nb_bits, nb_codes, bits,
                codes, codes_wrap, codes_size, 0, 0);
        if (ret < 0)
                freep(&vlc->table);