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| author | jackychen <jackychen@google.com> | 2015-12-03 15:21:36 -0800 |
|---|---|---|
| committer | jackychen <jackychen@google.com> | 2015-12-08 17:23:36 -0800 |
| commit | 303f144eefc739c44a3e18a24f8cf61d2fe103a7 (patch) | |
| tree | fc85c17678fb48882e37b8d04b54941e263ef126 /vp9/encoder/arm | |
| parent | 16a4fab9e2c6d80c08183bf0cc27a3e0b9bd2346 (diff) | |
| download | libvpx-303f144eefc739c44a3e18a24f8cf61d2fe103a7.tar libvpx-303f144eefc739c44a3e18a24f8cf61d2fe103a7.tar.gz libvpx-303f144eefc739c44a3e18a24f8cf61d2fe103a7.tar.bz2 libvpx-303f144eefc739c44a3e18a24f8cf61d2fe103a7.zip | |
Add vp9_avg_4x4_neon and the unit test.
Change-Id: I3ef9a9648841374ed3cc865a02053c14ad821a20
Diffstat (limited to 'vp9/encoder/arm')
| -rw-r--r-- | vp9/encoder/arm/neon/vp9_avg_neon.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/vp9/encoder/arm/neon/vp9_avg_neon.c b/vp9/encoder/arm/neon/vp9_avg_neon.c index 5996bd426..78467cebd 100644 --- a/vp9/encoder/arm/neon/vp9_avg_neon.c +++ b/vp9/encoder/arm/neon/vp9_avg_neon.c @@ -24,6 +24,18 @@ static INLINE unsigned int horizontal_add_u16x8(const uint16x8_t v_16x8) { return vget_lane_u32(c, 0); } +unsigned int vp9_avg_4x4_neon(const uint8_t *s, int p) { + uint16x8_t v_sum; + uint32x2_t v_s0 = vdup_n_u32(0); + uint32x2_t v_s1 = vdup_n_u32(0); + v_s0 = vld1_lane_u32((const uint32_t *)s, v_s0, 0); + v_s0 = vld1_lane_u32((const uint32_t *)(s + p), v_s0, 1); + v_s1 = vld1_lane_u32((const uint32_t *)(s + 2 * p), v_s1, 0); + v_s1 = vld1_lane_u32((const uint32_t *)(s + 3 * p), v_s1, 1); + v_sum = vaddl_u8(vreinterpret_u8_u32(v_s0), vreinterpret_u8_u32(v_s1)); + return (horizontal_add_u16x8(v_sum) + 8) >> 4; +} + unsigned int vp9_avg_8x8_neon(const uint8_t *s, int p) { uint8x8_t v_s0 = vld1_u8(s); const uint8x8_t v_s1 = vld1_u8(s + p); |