#include "wma.h"
#include "bitstream.h"
-#define GET_DATA(v, table, i, wrap, size) \
+#define GET_DATA(v, table, i, size) \
{\
- const uint8_t *ptr = (const uint8_t *)table + i * wrap; \
+ const uint8_t *ptr = (const uint8_t *)table + i * size; \
switch (size) { \
case 1: \
v = *(const uint8_t *)ptr; \
}
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)
+ const void *bits, const void *codes, int codes_size,
+ uint32_t code_prefix, int n_prefix)
{
int i, j, k, n, table_size, table_index, nb, n1, idx, code_prefix2,
symbol;
/* map codes and compute auxillary table sizes */
for (i = 0; i < nb_codes; i++) {
- GET_DATA(n, bits, i, 1, 1);
- GET_DATA(code, codes, i, codes_wrap, codes_size);
+ GET_DATA(n, bits, i, 1);
+ GET_DATA(code, codes, i, codes_size);
/* we accept tables with holes */
if (n <= 0)
continue;
n = table_nb_bits;
table[i][1] = -n; //bits
}
- idx = build_table(vlc, n, nb_codes,
- bits, codes, codes_wrap, codes_size,
- (code_prefix << table_nb_bits) | i,
+ idx = build_table(vlc, n, nb_codes, bits, codes,
+ codes_size, (code_prefix << table_nb_bits) | i,
n_prefix + table_nb_bits);
/* vlc->table might have changed */
table = &vlc->table[table_index];
*
* \param nb_codes Number of vlcs codes.
*
- * \param bits Table which gives the size (in bits) of each
- * vlc code.
+ * \param bits Table which gives the size (in bits) of each vlc code.
*
- * \param codes Table which gives the bit pattern of of each
- * vlc code.
+ * \param codes Table which gives the bit pattern of of each vlc code.
*
- * \param codes_wrap The number of bytes between each entry of the
- * 'codes' tables.
- *
- * \param codes_size The number of bytes of each entry of the
- * 'codes' tables.
+ * \param codes_size The number of bytes of each entry of the \a 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.
*/
-void init_vlc(struct vlc *vlc, int nb_bits, int nb_codes,
- const void *bits, const void *codes, int codes_wrap,
- int codes_size)
+void init_vlc(struct vlc *vlc, int nb_bits, int nb_codes, const void *bits,
+ const void *codes, int codes_size)
{
PARA_INFO_LOG("nb_codes: %d\n", nb_codes);
vlc->bits = nb_bits;
vlc->table_allocated = 0;
vlc->table_size = 0;
build_table(vlc, nb_bits, nb_codes, bits,
- codes, codes_wrap, codes_size, 0, 0);
+ codes, codes_size, 0, 0);
}
void free_vlc(struct vlc *vlc)
uint16_t *run_table, *level_table, *int_table;
int i, l, j, k, level;
- init_vlc(vlc, VLCBITS, n, table_bits, table_codes, 4, 4);
+ init_vlc(vlc, VLCBITS, n, table_bits, table_codes, 4);
run_table = para_malloc(n * sizeof(uint16_t));
level_table = para_malloc(n * sizeof(uint16_t));
PARA_INFO_LOG("using noise coding\n");
init_vlc(&pwd->hgain_vlc, HGAINVLCBITS,
sizeof(ff_wma_hgain_huffbits), ff_wma_hgain_huffbits,
- ff_wma_hgain_huffcodes, 2, 2);
+ ff_wma_hgain_huffcodes, 2);
}
if (pwd->use_exp_vlc) {
PARA_INFO_LOG("using exp_vlc\n");
init_vlc(&pwd->exp_vlc, EXPVLCBITS,
sizeof(ff_wma_scale_huffbits), ff_wma_scale_huffbits,
- ff_wma_scale_huffcodes, 4, 4);
+ ff_wma_scale_huffcodes, 4);
} else {
PARA_INFO_LOG("using curve\n");
wma_lsp_to_curve_init(pwd, pwd->frame_len);