diff options
author | Ramiro Polla <ramiro.polla@gmail.com> | 2007-05-10 02:24:23 +0400 |
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committer | Ramiro Polla <ramiro.polla@gmail.com> | 2007-05-10 02:24:23 +0400 |
commit | de8e2c1d22bf691c9874c33528e16615b6c451a1 (patch) | |
tree | fa5e4c9a8584d8869584f43a2c315a7291710c8a /libavcodec/cook.c | |
parent | a5cb1f13ba2b78e4cb9e82b033d658bb59126d51 (diff) |
Use 1 array with double the size instead of 2 arrays with normal size
Eliminates need for concatenation and adds proper fix for FIXME
Originally committed as revision 8958 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/cook.c')
-rw-r--r-- | libavcodec/cook.c | 28 |
1 files changed, 8 insertions, 20 deletions
diff --git a/libavcodec/cook.c b/libavcodec/cook.c index 0493dcc62f..33a43e1e59 100644 --- a/libavcodec/cook.c +++ b/libavcodec/cook.c @@ -387,11 +387,9 @@ static void categorize(COOKContext *q, int* quant_index_table, int exp_index2[102]; int exp_index1[102]; - int tmp_categorize_array1[128]; - int tmp_categorize_array1_idx=0; - int tmp_categorize_array2[128]; - int tmp_categorize_array2_idx=0; - int category_index_size=0; + int tmp_categorize_array[128*2]; + int tmp_categorize_array1_idx=q->numvector_size; + int tmp_categorize_array2_idx=q->numvector_size; bits_left = q->bits_per_subpacket - get_bits_count(&q->gb); @@ -403,8 +401,7 @@ static void categorize(COOKContext *q, int* quant_index_table, memset(&exp_index1,0,102*sizeof(int)); memset(&exp_index2,0,102*sizeof(int)); - memset(&tmp_categorize_array1,0,128*sizeof(int)); - memset(&tmp_categorize_array2,0,128*sizeof(int)); + memset(&tmp_categorize_array,0,128*2*sizeof(int)); bias=-32; @@ -446,7 +443,7 @@ static void categorize(COOKContext *q, int* quant_index_table, } } if(index==-1)break; - tmp_categorize_array1[tmp_categorize_array1_idx++] = index; + tmp_categorize_array[tmp_categorize_array1_idx++] = index; tmpbias1 -= expbits_tab[exp_index1[index]] - expbits_tab[exp_index1[index]+1]; ++exp_index1[index]; @@ -463,7 +460,7 @@ static void categorize(COOKContext *q, int* quant_index_table, } } if(index == -1)break; - tmp_categorize_array2[tmp_categorize_array2_idx++] = index; + tmp_categorize_array[--tmp_categorize_array2_idx] = index; tmpbias2 -= expbits_tab[exp_index2[index]] - expbits_tab[exp_index2[index]-1]; --exp_index2[index]; @@ -473,17 +470,8 @@ static void categorize(COOKContext *q, int* quant_index_table, for(i=0 ; i<q->total_subbands ; i++) category[i] = exp_index2[i]; - /* Concatenate the two arrays. */ - for(i=tmp_categorize_array2_idx-1 ; i >= 0; i--) - category_index[category_index_size++] = tmp_categorize_array2[i]; - - for(i=0;i<tmp_categorize_array1_idx;i++) - category_index[category_index_size++ ] = tmp_categorize_array1[i]; - - /* FIXME: mc_sich_ra8_20.rm triggers this, not sure with what we - should fill the remaining bytes. */ - for(i=category_index_size;i<q->numvector_size;i++) - category_index[i]=0; + for(i=0 ; i<q->numvector_size-1 ; i++) + category_index[i] = tmp_categorize_array[tmp_categorize_array2_idx++]; } |