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Simplify rotate_buffer()
Originally committed as revision 13914 to svn://svn.ffmpeg.org/ffmpeg/trunk
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@ -97,14 +97,13 @@ static void eval_coefs(const int *refl, int *coefs)
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/* rotate block */
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/* rotate block */
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static void rotate_block(const int16_t *source, int16_t *target, int offset)
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static void rotate_block(const int16_t *source, int16_t *target, int offset)
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{
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{
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int i=0, k=0;
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source += BUFFERSIZE - offset;
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source += BUFFERSIZE - offset;
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while (i<BLOCKSIZE) {
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if (offset > BLOCKSIZE) {
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target[i++] = source[k++];
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memcpy(target, source, BLOCKSIZE*sizeof(*target));
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} else {
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if (k == offset)
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memcpy(target, source, offset*sizeof(*target));
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k = 0;
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memcpy(target + offset, source, (BLOCKSIZE - offset)*sizeof(*target));
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}
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}
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}
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}
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