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| author | Michael Niedermayer <michaelni@gmx.at> | 2006-07-02 09:30:51 +0000 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2006-07-02 09:30:51 +0000 |
| commit | 78f67b7ad33e0b5df41c9df5048bde5ffcef06ed (patch) | |
| tree | 0f84933bec1aa6c13919f1202a357e5b3921e8b1 | |
| parent | 7943355485cf889c14f9c4151f917ae2be01ee73 (diff) | |
| download | ffmpeg-78f67b7ad33e0b5df41c9df5048bde5ffcef06ed.tar.gz | |
simplify
Originally committed as revision 5571 to svn://svn.ffmpeg.org/ffmpeg/trunk
| -rw-r--r-- | libavcodec/flacenc.c | 13 |
1 files changed, 6 insertions, 7 deletions
diff --git a/libavcodec/flacenc.c b/libavcodec/flacenc.c index 75d77d18da..aba02aba68 100644 --- a/libavcodec/flacenc.c +++ b/libavcodec/flacenc.c @@ -301,20 +301,19 @@ static void calc_sums(int pmax, uint32_t *data, int n, int pred_order, uint32_t sums[][256]) { int i, j; - int parts, cnt; - uint32_t *res; + int parts; + uint32_t *res, *res_end; /* sums for highest level */ parts = (1 << pmax); res = &data[pred_order]; - cnt = (n >> pmax) - pred_order; + res_end = &data[n >> pmax]; for(i=0; i<parts; i++) { - if(i == 1) cnt = (n >> pmax); - if(i > 0) res = &data[i*cnt]; sums[pmax][i] = 0; - for(j=0; j<cnt; j++) { - sums[pmax][i] += res[j]; + while(res < res_end){ + sums[pmax][i] += *(res++); } + res_end+= n >> pmax; } /* sums for lower levels */ for(i=pmax-1; i>=0; i--) { |