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| author | Thomas Vander Stichele <thomas@apestaart.org> | 2005-12-06 19:55:58 +0000 |
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| committer | Thomas Vander Stichele <thomas@apestaart.org> | 2005-12-06 19:55:58 +0000 |
| commit | bdb814f6ef56edca67e1241eb16df22fdd8ab17c (patch) | |
| tree | 7b43c9dfbf67b852503d263a322064f0101bf591 /gst/tta/filters.h | |
| parent | 04ad447fcfa1502907339a6a68e975bb6d35536a (diff) | |
| download | gst-plugins-bad-bdb814f6ef56edca67e1241eb16df22fdd8ab17c.tar.gz gst-plugins-bad-bdb814f6ef56edca67e1241eb16df22fdd8ab17c.tar.bz2 gst-plugins-bad-bdb814f6ef56edca67e1241eb16df22fdd8ab17c.zip | |
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Original commit message from CVS:
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Diffstat (limited to 'gst/tta/filters.h')
| -rw-r--r-- | gst/tta/filters.h | 114 |
1 files changed, 57 insertions, 57 deletions
diff --git a/gst/tta/filters.h b/gst/tta/filters.h index e2c176e1..3c0694a2 100644 --- a/gst/tta/filters.h +++ b/gst/tta/filters.h @@ -1,7 +1,7 @@ /* * filters.h * - * Description: TTAv1 filter functions + * Description: TTAv1 filter functions * Developed by: Alexander Djourik <sasha@iszf.irk.ru> * Pavel Zhilin <pzh@iszf.irk.ru> * @@ -36,75 +36,75 @@ static long flt_set[3] = {10, 9, 10}; static void memshl (register long *pA, register long *pB) { - *pA++ = *pB++; - *pA++ = *pB++; - *pA++ = *pB++; - *pA++ = *pB++; - *pA++ = *pB++; - *pA++ = *pB++; - *pA++ = *pB++; - *pA = *pB; + *pA++ = *pB++; + *pA++ = *pB++; + *pA++ = *pB++; + *pA++ = *pB++; + *pA++ = *pB++; + *pA++ = *pB++; + *pA++ = *pB++; + *pA = *pB; } static void hybrid_filter (fltst *fs, long *in) { - register long *pA = fs->dl; - register long *pB = fs->qm; - register long *pM = fs->dx; - register long sum = fs->round; + register long *pA = fs->dl; + register long *pB = fs->qm; + register long *pM = fs->dx; + register long sum = fs->round; - if (!fs->error) { - sum += *pA++ * *pB, pB++; - sum += *pA++ * *pB, pB++; - sum += *pA++ * *pB, pB++; - sum += *pA++ * *pB, pB++; - sum += *pA++ * *pB, pB++; - sum += *pA++ * *pB, pB++; - sum += *pA++ * *pB, pB++; - sum += *pA++ * *pB, pB++; pM += 8; - } else if (fs->error < 0) { - sum += *pA++ * (*pB -= *pM++), pB++; - sum += *pA++ * (*pB -= *pM++), pB++; - sum += *pA++ * (*pB -= *pM++), pB++; - sum += *pA++ * (*pB -= *pM++), pB++; - sum += *pA++ * (*pB -= *pM++), pB++; - sum += *pA++ * (*pB -= *pM++), pB++; - sum += *pA++ * (*pB -= *pM++), pB++; - sum += *pA++ * (*pB -= *pM++), pB++; - } else { - sum += *pA++ * (*pB += *pM++), pB++; - sum += *pA++ * (*pB += *pM++), pB++; - sum += *pA++ * (*pB += *pM++), pB++; - sum += *pA++ * (*pB += *pM++), pB++; - sum += *pA++ * (*pB += *pM++), pB++; - sum += *pA++ * (*pB += *pM++), pB++; - sum += *pA++ * (*pB += *pM++), pB++; - sum += *pA++ * (*pB += *pM++), pB++; - } + if (!fs->error) { + sum += *pA++ * *pB, pB++; + sum += *pA++ * *pB, pB++; + sum += *pA++ * *pB, pB++; + sum += *pA++ * *pB, pB++; + sum += *pA++ * *pB, pB++; + sum += *pA++ * *pB, pB++; + sum += *pA++ * *pB, pB++; + sum += *pA++ * *pB, pB++; pM += 8; + } else if (fs->error < 0) { + sum += *pA++ * (*pB -= *pM++), pB++; + sum += *pA++ * (*pB -= *pM++), pB++; + sum += *pA++ * (*pB -= *pM++), pB++; + sum += *pA++ * (*pB -= *pM++), pB++; + sum += *pA++ * (*pB -= *pM++), pB++; + sum += *pA++ * (*pB -= *pM++), pB++; + sum += *pA++ * (*pB -= *pM++), pB++; + sum += *pA++ * (*pB -= *pM++), pB++; + } else { + sum += *pA++ * (*pB += *pM++), pB++; + sum += *pA++ * (*pB += *pM++), pB++; + sum += *pA++ * (*pB += *pM++), pB++; + sum += *pA++ * (*pB += *pM++), pB++; + sum += *pA++ * (*pB += *pM++), pB++; + sum += *pA++ * (*pB += *pM++), pB++; + sum += *pA++ * (*pB += *pM++), pB++; + sum += *pA++ * (*pB += *pM++), pB++; + } - *(pM-0) = ((*(pA-1) >> 30) | 1) << 2; - *(pM-1) = ((*(pA-2) >> 30) | 1) << 1; - *(pM-2) = ((*(pA-3) >> 30) | 1) << 1; - *(pM-3) = ((*(pA-4) >> 30) | 1); + *(pM-0) = ((*(pA-1) >> 30) | 1) << 2; + *(pM-1) = ((*(pA-2) >> 30) | 1) << 1; + *(pM-2) = ((*(pA-3) >> 30) | 1) << 1; + *(pM-3) = ((*(pA-4) >> 30) | 1); - fs->error = *in; - *in += (sum >> fs->shift); - *pA = *in; + fs->error = *in; + *in += (sum >> fs->shift); + *pA = *in; - *(pA-1) = *(pA-0) - *(pA-1); - *(pA-2) = *(pA-1) - *(pA-2); - *(pA-3) = *(pA-2) - *(pA-3); + *(pA-1) = *(pA-0) - *(pA-1); + *(pA-2) = *(pA-1) - *(pA-2); + *(pA-3) = *(pA-2) - *(pA-3); - memshl (fs->dl, fs->dl + 1); - memshl (fs->dx, fs->dx + 1); + memshl (fs->dl, fs->dl + 1); + memshl (fs->dx, fs->dx + 1); } static void filter_init (fltst *fs, long shift) { - memset (fs, 0, sizeof(fltst)); - fs->shift = shift; - fs->round = 1 << (shift - 1); + memset (fs, 0, sizeof(fltst)); + fs->shift = shift; + fs->round = 1 << (shift - 1); } -#endif /* FILTERS_H */ +#endif /* FILTERS_H */ |