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Code Issues Releases Activity

Simplify co(): do not abuse pointer aritmetics

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Originally committed as revision 14303 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Vitor Sessak
2008-07-19 15:41:15 +00:00
parent 2a811db238
commit 3c617380e7
1 changed files with 4 additions and 3 deletions
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libavcodec/ra288.c
+4 -3
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@@ -151,15 +151,16 @@ static void co(int n, int i, int j, const float *in, float *out, float *st1,
for (x=0; x < n + i + j; x++) { for (x=0; x < n + i + j; x++) {
if (x == n + j) if (x == n + j)
fp=in; fp=in;
work[x] = *(table++) * (*(st1++) = *(fp++)); st1[x] = *(fp++);
work[x] = table[x] * st1[x];
} }
prodsum(buffer1, work + n, i, n); prodsum(buffer1, work + n, i, n);
prodsum(buffer2, work + n + i, j, n); prodsum(buffer2, work + n + i, j, n);
for (x=0;x<=n;x++) { for (x=0;x<=n;x++) {
*st2 = *st2 * (0.5625) + buffer1[x]; st2[x] = st2[x] * 0.5625 + buffer1[x];
out[x] = *(st2++) + buffer2[x]; out[x] = st2[x] + buffer2[x];
} }
*out *= 1.00390625; /* to prevent clipping */ *out *= 1.00390625; /* to prevent clipping */
} }