diff options
Diffstat (limited to 'libavcodec/dsputil.c')
| -rw-r--r-- | libavcodec/dsputil.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/libavcodec/dsputil.c b/libavcodec/dsputil.c index a8e060b66e..9039d2625f 100644 --- a/libavcodec/dsputil.c +++ b/libavcodec/dsputil.c @@ -144,6 +144,31 @@ static int pix_norm1_c(UINT8 * pix, int line_size) } +static int pix_norm_c(UINT8 * pix1, UINT8 * pix2, int line_size) +{ + int s, i, j; + UINT32 *sq = squareTbl + 256; + + s = 0; + for (i = 0; i < 16; i++) { + for (j = 0; j < 16; j += 8) { + s += sq[pix1[0] - pix2[0]]; + s += sq[pix1[1] - pix2[1]]; + s += sq[pix1[2] - pix2[2]]; + s += sq[pix1[3] - pix2[3]]; + s += sq[pix1[4] - pix2[4]]; + s += sq[pix1[5] - pix2[5]]; + s += sq[pix1[6] - pix2[6]]; + s += sq[pix1[7] - pix2[7]]; + pix1 += 8; + pix2 += 8; + } + pix1 += line_size - 16; + pix2 += line_size - 16; + } + return s; +} + static void get_pixels_c(DCTELEM *restrict block, const UINT8 *pixels, int line_size) { int i; @@ -1404,6 +1429,7 @@ void dsputil_init(DSPContext* c, unsigned mask) c->clear_blocks = clear_blocks_c; c->pix_sum = pix_sum_c; c->pix_norm1 = pix_norm1_c; + c->pix_norm = pix_norm_c; /* TODO [0] 16 [1] 8 */ c->pix_abs16x16 = pix_abs16x16_c; |