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arm64: convert dcadsp neon asm from arm

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~2% faster dts decoding overall.

                    cortex-a57   cortex-a53
dca_decode_hf_c:    474.8        1659.9
dca_decode_hf_neon: 225.2         301.1
dca_lfe_fir0_c:     913.2        1537.7
dca_lfe_fir0_neon:  286.8         451.9
dca_lfe_fir1_c:     848.7        1711.5
dca_lfe_fir1_neon:  387.1         506.4
This commit is contained in:
Janne Grunau 2015-11-28 15:23:52 +01:00
parent e2710e790c
commit c33c1fa8af
5 changed files with 225 additions and 0 deletions
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2
libavcodec/dcadsp.c
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@ -110,6 +110,8 @@ av_cold void ff_dcadsp_init(DCADSPContext *s)
s->qmf_32_subbands = dca_qmf_32_subbands;
s->decode_hf = decode_hf_c;
if (ARCH_AARCH64)
ff_dcadsp_init_aarch64(s);
if (ARCH_ARM)
ff_dcadsp_init_arm(s);
if (ARCH_X86)