Changeset 2616 for pjproject/trunk/third_party/g7221/decode/decoder.c

Timestamp:

Apr 18, 2009 2:29:28 PM (15 years ago)

Author:

bennylp

Message:

More ticket #774: optimization for siren7/siren14 codecs

File:

• pjproject/trunk/third_party/g7221/decode/decoder.c (modified) (13 diffs)

pjproject/trunk/third_party/g7221/decode/decoder.c

@@ -137 +137 @@
         {
                 get_next_bit(bitobj);
-                categorization_control = shl(categorization_control,1);
+                categorization_control = shl_nocheck(categorization_control,1);
                 categorization_control = add(categorization_control,bitobj->next_bit);
         }
@@ -247 +247 @@
     {
         get_next_bit(bitobj);
-        index = shl(index,1);
+        index = shl_nocheck(index,1);
         index = add(index,bitobj->next_bit);
     }
@@ -333 +333 @@
     {
         i = sub(i,1);
-        temp = shr(temp,1);
+        temp = shr_nocheck(temp,1);
         max_index = sub(max_index,2);
         temp1 = sub(temp,8);
@@ -531 +531 @@
                     if (bitobj->next_bit == 0)
                         {
-                        temp = shl(index,1);
+                        temp = shl_nocheck(index,1);
                         index = (Word16)*(decoder_table_ptr + temp);
                         move16();
@@ -537 +537 @@
                         else
                         {
-                        temp = shl(index,1);
+                        temp = shl_nocheck(index,1);
                         index = (Word16)*(decoder_table_ptr + temp + 1);
                         move16();
@@ -568 +568 @@
                         {
                                     get_next_bit(bitobj);
-                                signs_index = shl(signs_index,1);
+                                signs_index = shl_nocheck(signs_index,1);
                                     signs_index = add(signs_index,bitobj->next_bit);
                                     bitobj->number_of_bits_left = sub(bitobj->number_of_bits_left,1);
                             }
                             temp = sub(num_sign_bits,1);
-                        bit = shl(1,(temp));
+                        bit = shl_nocheck(1,(temp));
                         }
                         
@@ -579 +579 @@
                     {
                             acca = L_mult0(standard_deviation,mlt_quant_centroid[category][k[j]]);
-                        acca = L_shr(acca,12);
+                        acca = L_shr_nocheck(acca,12);
                         decoder_mlt_value = extract_l(acca);
                             
@@ -588 +588 @@
                             if ((signs_index & bit) == 0)
                                         decoder_mlt_value = negate(decoder_mlt_value);
-                                    bit = shr(bit,1);
+                                    bit = shr_nocheck(bit,1);
                             }
                         *decoder_mlt_ptr++ = decoder_mlt_value;
@@ -653 +653 @@
                         *decoder_mlt_ptr = temp1;
                     move16();
-                        random_word = shr(random_word,1);
+                        random_word = shr_nocheck(random_word,1);
                     }
                     /* pointer arithmetic */
@@ -678 +678 @@
                         *decoder_mlt_ptr = temp1;
                     move16();
-                        random_word  = shr(random_word,1);
+                        random_word  = shr_nocheck(random_word,1);
                     }
                     /* pointer arithmetic */
@@ -711 +711 @@
                 *decoder_mlt_ptr++ = temp1;
                 move16();
-                random_word = shr(random_word,1);
+                random_word = shr_nocheck(random_word,1);
             }
             random_word = get_rand(randobj);
@@ -731 +731 @@
                 *decoder_mlt_ptr++ = temp1;
                 move16();
-                random_word = shr(random_word,1);
+                random_word = shr_nocheck(random_word,1);
             }
         }
@@ -1060 +1060 @@
     }
     bitobj->code_bit_count = sub(bitobj->code_bit_count,1);
-    temp = shr(bitobj->current_word,bitobj->code_bit_count);
+    temp = shr_nocheck(bitobj->current_word,bitobj->code_bit_count);
     logic16();
     bitobj->next_bit = (Word16 )(temp & 1);