diff options
Diffstat (limited to 'third_party/aom/y4minput.c')
| -rw-r--r-- | third_party/aom/y4minput.c | 154 |
1 files changed, 85 insertions, 69 deletions
diff --git a/third_party/aom/y4minput.c b/third_party/aom/y4minput.c index 191918924..e009042b2 100644 --- a/third_party/aom/y4minput.c +++ b/third_party/aom/y4minput.c @@ -190,26 +190,29 @@ static void y4m_42xmpeg2_42xjpeg_helper(unsigned char *_dst, window.*/ for (x = 0; x < OC_MINI(_c_w, 2); x++) { _dst[x] = (unsigned char)OC_CLAMPI( - 0, (4 * _src[0] - 17 * _src[OC_MAXI(x - 1, 0)] + 114 * _src[x] + - 35 * _src[OC_MINI(x + 1, _c_w - 1)] - - 9 * _src[OC_MINI(x + 2, _c_w - 1)] + - _src[OC_MINI(x + 3, _c_w - 1)] + 64) >> - 7, + 0, + (4 * _src[0] - 17 * _src[OC_MAXI(x - 1, 0)] + 114 * _src[x] + + 35 * _src[OC_MINI(x + 1, _c_w - 1)] - + 9 * _src[OC_MINI(x + 2, _c_w - 1)] + _src[OC_MINI(x + 3, _c_w - 1)] + + 64) >> + 7, 255); } for (; x < _c_w - 3; x++) { _dst[x] = (unsigned char)OC_CLAMPI( - 0, (4 * _src[x - 2] - 17 * _src[x - 1] + 114 * _src[x] + - 35 * _src[x + 1] - 9 * _src[x + 2] + _src[x + 3] + 64) >> - 7, + 0, + (4 * _src[x - 2] - 17 * _src[x - 1] + 114 * _src[x] + + 35 * _src[x + 1] - 9 * _src[x + 2] + _src[x + 3] + 64) >> + 7, 255); } for (; x < _c_w; x++) { _dst[x] = (unsigned char)OC_CLAMPI( - 0, (4 * _src[x - 2] - 17 * _src[x - 1] + 114 * _src[x] + - 35 * _src[OC_MINI(x + 1, _c_w - 1)] - - 9 * _src[OC_MINI(x + 2, _c_w - 1)] + _src[_c_w - 1] + 64) >> - 7, + 0, + (4 * _src[x - 2] - 17 * _src[x - 1] + 114 * _src[x] + + 35 * _src[OC_MINI(x + 1, _c_w - 1)] - + 9 * _src[OC_MINI(x + 2, _c_w - 1)] + _src[_c_w - 1] + 64) >> + 7, 255); } _dst += _c_w; @@ -309,28 +312,31 @@ static void y4m_convert_42xpaldv_42xjpeg(y4m_input *_y4m, unsigned char *_dst, for (x = 0; x < c_w; x++) { for (y = 0; y < OC_MINI(c_h, 3); y++) { _dst[y * c_w] = (unsigned char)OC_CLAMPI( - 0, (tmp[0] - 9 * tmp[OC_MAXI(y - 2, 0) * c_w] + - 35 * tmp[OC_MAXI(y - 1, 0) * c_w] + 114 * tmp[y * c_w] - - 17 * tmp[OC_MINI(y + 1, c_h - 1) * c_w] + - 4 * tmp[OC_MINI(y + 2, c_h - 1) * c_w] + 64) >> - 7, + 0, + (tmp[0] - 9 * tmp[OC_MAXI(y - 2, 0) * c_w] + + 35 * tmp[OC_MAXI(y - 1, 0) * c_w] + 114 * tmp[y * c_w] - + 17 * tmp[OC_MINI(y + 1, c_h - 1) * c_w] + + 4 * tmp[OC_MINI(y + 2, c_h - 1) * c_w] + 64) >> + 7, 255); } for (; y < c_h - 2; y++) { _dst[y * c_w] = (unsigned char)OC_CLAMPI( - 0, (tmp[(y - 3) * c_w] - 9 * tmp[(y - 2) * c_w] + - 35 * tmp[(y - 1) * c_w] + 114 * tmp[y * c_w] - - 17 * tmp[(y + 1) * c_w] + 4 * tmp[(y + 2) * c_w] + 64) >> - 7, + 0, + (tmp[(y - 3) * c_w] - 9 * tmp[(y - 2) * c_w] + + 35 * tmp[(y - 1) * c_w] + 114 * tmp[y * c_w] - + 17 * tmp[(y + 1) * c_w] + 4 * tmp[(y + 2) * c_w] + 64) >> + 7, 255); } for (; y < c_h; y++) { _dst[y * c_w] = (unsigned char)OC_CLAMPI( - 0, (tmp[(y - 3) * c_w] - 9 * tmp[(y - 2) * c_w] + - 35 * tmp[(y - 1) * c_w] + 114 * tmp[y * c_w] - - 17 * tmp[OC_MINI(y + 1, c_h - 1) * c_w] + - 4 * tmp[(c_h - 1) * c_w] + 64) >> - 7, + 0, + (tmp[(y - 3) * c_w] - 9 * tmp[(y - 2) * c_w] + + 35 * tmp[(y - 1) * c_w] + 114 * tmp[y * c_w] - + 17 * tmp[OC_MINI(y + 1, c_h - 1) * c_w] + + 4 * tmp[(c_h - 1) * c_w] + 64) >> + 7, 255); } _dst++; @@ -355,10 +361,11 @@ static void y4m_convert_42xpaldv_42xjpeg(y4m_input *_y4m, unsigned char *_dst, } for (; y < c_h - 3; y++) { _dst[y * c_w] = (unsigned char)OC_CLAMPI( - 0, (4 * tmp[(y - 2) * c_w] - 17 * tmp[(y - 1) * c_w] + - 114 * tmp[y * c_w] + 35 * tmp[(y + 1) * c_w] - - 9 * tmp[(y + 2) * c_w] + tmp[(y + 3) * c_w] + 64) >> - 7, + 0, + (4 * tmp[(y - 2) * c_w] - 17 * tmp[(y - 1) * c_w] + + 114 * tmp[y * c_w] + 35 * tmp[(y + 1) * c_w] - + 9 * tmp[(y + 2) * c_w] + tmp[(y + 3) * c_w] + 64) >> + 7, 255); } for (; y < c_h; y++) { @@ -397,18 +404,20 @@ static void y4m_422jpeg_420jpeg_helper(unsigned char *_dst, for (x = 0; x < _c_w; x++) { for (y = 0; y < OC_MINI(_c_h, 2); y += 2) { _dst[(y >> 1) * _c_w] = - OC_CLAMPI(0, (64 * _src[0] + 78 * _src[OC_MINI(1, _c_h - 1) * _c_w] - - 17 * _src[OC_MINI(2, _c_h - 1) * _c_w] + - 3 * _src[OC_MINI(3, _c_h - 1) * _c_w] + 64) >> - 7, + OC_CLAMPI(0, + (64 * _src[0] + 78 * _src[OC_MINI(1, _c_h - 1) * _c_w] - + 17 * _src[OC_MINI(2, _c_h - 1) * _c_w] + + 3 * _src[OC_MINI(3, _c_h - 1) * _c_w] + 64) >> + 7, 255); } for (; y < _c_h - 3; y += 2) { _dst[(y >> 1) * _c_w] = - OC_CLAMPI(0, (3 * (_src[(y - 2) * _c_w] + _src[(y + 3) * _c_w]) - - 17 * (_src[(y - 1) * _c_w] + _src[(y + 2) * _c_w]) + - 78 * (_src[y * _c_w] + _src[(y + 1) * _c_w]) + 64) >> - 7, + OC_CLAMPI(0, + (3 * (_src[(y - 2) * _c_w] + _src[(y + 3) * _c_w]) - + 17 * (_src[(y - 1) * _c_w] + _src[(y + 2) * _c_w]) + + 78 * (_src[y * _c_w] + _src[(y + 1) * _c_w]) + 64) >> + 7, 255); } for (; y < _c_h; y += 2) { @@ -635,33 +644,38 @@ static void y4m_convert_411_420jpeg(y4m_input *_y4m, unsigned char *_dst, 4-tap Mitchell window.*/ for (x = 0; x < OC_MINI(c_w, 1); x++) { tmp[x << 1] = (unsigned char)OC_CLAMPI( - 0, (111 * _aux[0] + 18 * _aux[OC_MINI(1, c_w - 1)] - - _aux[OC_MINI(2, c_w - 1)] + 64) >> - 7, + 0, + (111 * _aux[0] + 18 * _aux[OC_MINI(1, c_w - 1)] - + _aux[OC_MINI(2, c_w - 1)] + 64) >> + 7, 255); tmp[x << 1 | 1] = (unsigned char)OC_CLAMPI( - 0, (47 * _aux[0] + 86 * _aux[OC_MINI(1, c_w - 1)] - - 5 * _aux[OC_MINI(2, c_w - 1)] + 64) >> - 7, + 0, + (47 * _aux[0] + 86 * _aux[OC_MINI(1, c_w - 1)] - + 5 * _aux[OC_MINI(2, c_w - 1)] + 64) >> + 7, 255); } for (; x < c_w - 2; x++) { tmp[x << 1] = - (unsigned char)OC_CLAMPI(0, (_aux[x - 1] + 110 * _aux[x] + - 18 * _aux[x + 1] - _aux[x + 2] + 64) >> - 7, + (unsigned char)OC_CLAMPI(0, + (_aux[x - 1] + 110 * _aux[x] + + 18 * _aux[x + 1] - _aux[x + 2] + 64) >> + 7, 255); tmp[x << 1 | 1] = (unsigned char)OC_CLAMPI( - 0, (-3 * _aux[x - 1] + 50 * _aux[x] + 86 * _aux[x + 1] - - 5 * _aux[x + 2] + 64) >> - 7, + 0, + (-3 * _aux[x - 1] + 50 * _aux[x] + 86 * _aux[x + 1] - + 5 * _aux[x + 2] + 64) >> + 7, 255); } for (; x < c_w; x++) { tmp[x << 1] = (unsigned char)OC_CLAMPI( - 0, (_aux[x - 1] + 110 * _aux[x] + - 18 * _aux[OC_MINI(x + 1, c_w - 1)] - _aux[c_w - 1] + 64) >> - 7, + 0, + (_aux[x - 1] + 110 * _aux[x] + 18 * _aux[OC_MINI(x + 1, c_w - 1)] - + _aux[c_w - 1] + 64) >> + 7, 255); if ((x << 1 | 1) < dst_c_w) { tmp[x << 1 | 1] = (unsigned char)OC_CLAMPI( @@ -711,27 +725,29 @@ static void y4m_convert_444_420jpeg(y4m_input *_y4m, unsigned char *_dst, /*Filter: [3 -17 78 78 -17 3]/128, derived from a 6-tap Lanczos window.*/ for (y = 0; y < c_h; y++) { for (x = 0; x < OC_MINI(c_w, 2); x += 2) { - tmp[x >> 1] = - OC_CLAMPI(0, (64 * _aux[0] + 78 * _aux[OC_MINI(1, c_w - 1)] - - 17 * _aux[OC_MINI(2, c_w - 1)] + - 3 * _aux[OC_MINI(3, c_w - 1)] + 64) >> - 7, - 255); + tmp[x >> 1] = OC_CLAMPI(0, + (64 * _aux[0] + 78 * _aux[OC_MINI(1, c_w - 1)] - + 17 * _aux[OC_MINI(2, c_w - 1)] + + 3 * _aux[OC_MINI(3, c_w - 1)] + 64) >> + 7, + 255); } for (; x < c_w - 3; x += 2) { - tmp[x >> 1] = OC_CLAMPI(0, (3 * (_aux[x - 2] + _aux[x + 3]) - - 17 * (_aux[x - 1] + _aux[x + 2]) + - 78 * (_aux[x] + _aux[x + 1]) + 64) >> - 7, + tmp[x >> 1] = OC_CLAMPI(0, + (3 * (_aux[x - 2] + _aux[x + 3]) - + 17 * (_aux[x - 1] + _aux[x + 2]) + + 78 * (_aux[x] + _aux[x + 1]) + 64) >> + 7, 255); } for (; x < c_w; x += 2) { - tmp[x >> 1] = OC_CLAMPI( - 0, (3 * (_aux[x - 2] + _aux[c_w - 1]) - - 17 * (_aux[x - 1] + _aux[OC_MINI(x + 2, c_w - 1)]) + - 78 * (_aux[x] + _aux[OC_MINI(x + 1, c_w - 1)]) + 64) >> - 7, - 255); + tmp[x >> 1] = + OC_CLAMPI(0, + (3 * (_aux[x - 2] + _aux[c_w - 1]) - + 17 * (_aux[x - 1] + _aux[OC_MINI(x + 2, c_w - 1)]) + + 78 * (_aux[x] + _aux[OC_MINI(x + 1, c_w - 1)]) + 64) >> + 7, + 255); } tmp += dst_c_w; _aux += c_w; |