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| author | xufuji456 <839789740@qq.com> | 2023-02-24 15:43:13 +0800 |
|---|---|---|
| committer | Martin Storsjö <martin@martin.st> | 2023-02-28 13:12:52 +0200 |
| commit | 4b4de07721ed734fea7ec1058ccdc4cc11f3d2da (patch) | |
| tree | 3f0a76f7400a1eec7ddf569e5c52bbd77a227f2e /libavcodec/aarch64/hevcdsp_idct_neon.S | |
| parent | ec7fa13eb0f8567b4fb5096dc8efc364fe87dcb2 (diff) | |
| download | ffmpeg-4b4de07721ed734fea7ec1058ccdc4cc11f3d2da.tar.gz | |
libavcodec/hevc: add hevc idct4x4 neon of aarch64
Signed-off-by: Martin Storsjö <martin@martin.st>
Diffstat (limited to 'libavcodec/aarch64/hevcdsp_idct_neon.S')
| -rw-r--r-- | libavcodec/aarch64/hevcdsp_idct_neon.S | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/libavcodec/aarch64/hevcdsp_idct_neon.S b/libavcodec/aarch64/hevcdsp_idct_neon.S index c61fcb175d..467cb0f48a 100644 --- a/libavcodec/aarch64/hevcdsp_idct_neon.S +++ b/libavcodec/aarch64/hevcdsp_idct_neon.S @@ -246,6 +246,43 @@ function hevc_add_residual_32x32_16_neon, export=0 ret endfunc +.macro tr_4x4 in0, in1, in2, in3, out0, out1, out2, out3, shift + sshll v20.4s, \in0, #6 + sshll v21.4s, \in0, #6 + smull v22.4s, \in1, v4.h[1] + smull v23.4s, \in1, v4.h[3] + smlal v20.4s, \in2, v4.h[0] //e0 + smlsl v21.4s, \in2, v4.h[0] //e1 + smlal v22.4s, \in3, v4.h[3] //o0 + smlsl v23.4s, \in3, v4.h[1] //o1 + + add v24.4s, v20.4s, v22.4s + sub v20.4s, v20.4s, v22.4s + add v22.4s, v21.4s, v23.4s + sub v21.4s, v21.4s, v23.4s + sqrshrn \out0, v24.4s, #\shift + sqrshrn \out3, v20.4s, #\shift + sqrshrn \out1, v22.4s, #\shift + sqrshrn \out2, v21.4s, #\shift +.endm + +.macro idct_4x4 bitdepth +function ff_hevc_idct_4x4_\bitdepth\()_neon, export=1 + ld1 {v0.4h-v3.4h}, [x0] + + movrel x1, trans + ld1 {v4.4h}, [x1] + + tr_4x4 v0.4h, v1.4h, v2.4h, v3.4h, v16.4h, v17.4h, v18.4h, v19.4h, 7 + transpose_4x8H v16, v17, v18, v19, v26, v27, v28, v29 + + tr_4x4 v16.4h, v17.4h, v18.4h, v19.4h, v0.4h, v1.4h, v2.4h, v3.4h, 20 - \bitdepth + transpose_4x8H v0, v1, v2, v3, v26, v27, v28, v29 + st1 {v0.4h-v3.4h}, [x0] + ret +endfunc +.endm + .macro sum_sub out, in, c, op, p .ifc \op, + smlal\p \out, \in, \c @@ -568,6 +605,9 @@ function ff_hevc_idct_16x16_\bitdepth\()_neon, export=1 endfunc .endm +idct_4x4 8 +idct_4x4 10 + idct_8x8 8 idct_8x8 10 |