From: Zhao Zhili <zhiliz...@tencent.com>
Reduce binary size at the same time. The performance compared to clang -O3
is the same.
---
libavcodec/aarch64/hevcdsp_idct_neon.S | 43 ++++++++++++++---------
libavcodec/aarch64/hevcdsp_init_aarch64.c | 8 +++++
2 files changed, 35 insertions(+), 16 deletions(-)
diff --git a/libavcodec/aarch64/hevcdsp_idct_neon.S
b/libavcodec/aarch64/hevcdsp_idct_neon.S
index 4543ab6b07..e1fee0cd80 100644
--- a/libavcodec/aarch64/hevcdsp_idct_neon.S
+++ b/libavcodec/aarch64/hevcdsp_idct_neon.S
@@ -901,15 +901,33 @@ endfunc
.endm
// void ff_hevc_idct_NxN_dc_DEPTH_neon(int16_t *coeffs)
-.macro idct_dc size, bitdepth
-function ff_hevc_idct_\size\()x\size\()_dc_\bitdepth\()_neon, export=1
+.macro idct_dc size
+function ff_hevc_idct_\size\()x\size\()_dc_10_neon, export=1
ldrsh w1, [x0]
add w1, w1, #1
asr w1, w1, #1
- add w1, w1, #(1 << (13 - \bitdepth))
- asr w1, w1, #(14 - \bitdepth)
- dup v0.8h, w1
+ add w1, w1, #(1 << (13 - 10))
+ asr w1, w1, #(14 - 10)
+ b 2f
+endfunc
+
+function ff_hevc_idct_\size\()x\size\()_dc_12_neon, export=1
+ ldrsh w1, [x0]
+ add w1, w1, #1
+ asr w1, w1, #1
+ add w1, w1, #(1 << (13 - 12))
+ asr w1, w1, #(14 - 12)
+ b 2f
+endfunc
+function ff_hevc_idct_\size\()x\size\()_dc_8_neon, export=1
+ ldrsh w1, [x0]
+ add w1, w1, #1
+ asr w1, w1, #1
+ add w1, w1, #(1 << (13 - 8))
+ asr w1, w1, #(14 - 8)
+2:
+ dup v0.8h, w1
.if \size < 8
stp q0, q0, [x0]
.else
@@ -932,14 +950,7 @@ function
ff_hevc_idct_\size\()x\size\()_dc_\bitdepth\()_neon, export=1
endfunc
.endm
-idct_dc 4, 8
-idct_dc 4, 10
-
-idct_dc 8, 8
-idct_dc 8, 10
-
-idct_dc 16, 8
-idct_dc 16, 10
-
-idct_dc 32, 8
-idct_dc 32, 10
+idct_dc 4
+idct_dc 8
+idct_dc 16
+idct_dc 32
diff --git a/libavcodec/aarch64/hevcdsp_init_aarch64.c
b/libavcodec/aarch64/hevcdsp_init_aarch64.c
index 386d7c59c8..5dd470baaa 100644
--- a/libavcodec/aarch64/hevcdsp_init_aarch64.c
+++ b/libavcodec/aarch64/hevcdsp_init_aarch64.c
@@ -91,6 +91,10 @@ void ff_hevc_idct_4x4_dc_10_neon(int16_t *coeffs);
void ff_hevc_idct_8x8_dc_10_neon(int16_t *coeffs);
void ff_hevc_idct_16x16_dc_10_neon(int16_t *coeffs);
void ff_hevc_idct_32x32_dc_10_neon(int16_t *coeffs);
+void ff_hevc_idct_4x4_dc_12_neon(int16_t *coeffs);
+void ff_hevc_idct_8x8_dc_12_neon(int16_t *coeffs);
+void ff_hevc_idct_16x16_dc_12_neon(int16_t *coeffs);
+void ff_hevc_idct_32x32_dc_12_neon(int16_t *coeffs);
void ff_hevc_transform_luma_4x4_neon_8(int16_t *coeffs);
#define NEON8_FNASSIGN(member, v, h, fn, ext) \
@@ -267,5 +271,9 @@ av_cold void ff_hevc_dsp_init_aarch64(HEVCDSPContext *c,
const int bit_depth)
c->add_residual[1] = ff_hevc_add_residual_8x8_12_neon;
c->add_residual[2] = ff_hevc_add_residual_16x16_12_neon;
c->add_residual[3] = ff_hevc_add_residual_32x32_12_neon;
+ c->idct_dc[0] = ff_hevc_idct_4x4_dc_12_neon;
+ c->idct_dc[1] = ff_hevc_idct_8x8_dc_12_neon;
+ c->idct_dc[2] = ff_hevc_idct_16x16_dc_12_neon;
+ c->idct_dc[3] = ff_hevc_idct_32x32_dc_12_neon;
}
}
--
2.46.0
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