ffmpeg | branch: master | Zhao Zhili <zhiliz...@tencent.com> | Thu Feb 20 00:50:31 2025 +0800| [3e9777dc7546425651bc265a49187d6bbb42bdf4] | committer: Zhao Zhili
aarch64/hevcdsp_idct_neon: Add implementation for idct dc 12 Reduce binary size at the same time. The performance compared to clang -O3 is the same. Reviewed-by: Martin Storsjö <mar...@martin.st> Signed-off-by: Zhao Zhili <zhiliz...@tencent.com> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=3e9777dc7546425651bc265a49187d6bbb42bdf4 --- 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 2337ed8ba3..954ce2407a 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] .elseif \size < 16 @@ -928,14 +946,7 @@ 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; } } _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog To unsubscribe, visit link above, or email ffmpeg-cvslog-requ...@ffmpeg.org with subject "unsubscribe".
