diff options
author | Justin Ruggles <justin.ruggles@gmail.com> | 2012-05-02 23:36:43 +0400 |
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committer | Justin Ruggles <justin.ruggles@gmail.com> | 2012-08-24 04:10:56 +0400 |
commit | 13df7d2d40237152a00a98a40c8e844a026ee5fa (patch) | |
tree | ca6ba3caf1752ce486bcc5116df8e7429ae46692 /libavresample/x86 | |
parent | c0e12535aa10213f9cb4dce2ea1b63acbf679bb5 (diff) |
lavr: x86: optimized 6-channel s16p to s16 conversion
Diffstat (limited to 'libavresample/x86')
-rw-r--r-- | libavresample/x86/audio_convert.asm | 123 | ||||
-rw-r--r-- | libavresample/x86/audio_convert_init.c | 14 |
2 files changed, 137 insertions, 0 deletions
diff --git a/libavresample/x86/audio_convert.asm b/libavresample/x86/audio_convert.asm index 4a92952c3d..ee05efcdb2 100644 --- a/libavresample/x86/audio_convert.asm +++ b/libavresample/x86/audio_convert.asm @@ -260,6 +260,129 @@ INIT_XMM avx CONV_S16P_TO_S16_2CH %endif +;------------------------------------------------------------------------------ +; void ff_conv_s16p_to_s16_6ch(int16_t *dst, int16_t *const *src, int len, +; int channels); +;------------------------------------------------------------------------------ + +;------------------------------------------------------------------------------ +; NOTE: In the 6-channel functions, len could be used as an index on x86-64 +; instead of just a counter, which would avoid incrementing the +; pointers, but the extra complexity and amount of code is not worth +; the small gain. On x86-32 there are not enough registers to use len +; as an index without keeping two of the pointers on the stack and +; loading them in each iteration. +;------------------------------------------------------------------------------ + +%macro CONV_S16P_TO_S16_6CH 0 +%if ARCH_X86_64 +cglobal conv_s16p_to_s16_6ch, 3,8,7, dst, src0, len, src1, src2, src3, src4, src5 +%else +cglobal conv_s16p_to_s16_6ch, 2,7,7, dst, src0, src1, src2, src3, src4, src5 +%define lend dword r2m +%endif + mov src1q, [src0q+1*gprsize] + mov src2q, [src0q+2*gprsize] + mov src3q, [src0q+3*gprsize] + mov src4q, [src0q+4*gprsize] + mov src5q, [src0q+5*gprsize] + mov src0q, [src0q] + sub src1q, src0q + sub src2q, src0q + sub src3q, src0q + sub src4q, src0q + sub src5q, src0q +.loop: +%if cpuflag(sse2slow) + movq m0, [src0q ] ; m0 = 0, 6, 12, 18, x, x, x, x + movq m1, [src0q+src1q] ; m1 = 1, 7, 13, 19, x, x, x, x + movq m2, [src0q+src2q] ; m2 = 2, 8, 14, 20, x, x, x, x + movq m3, [src0q+src3q] ; m3 = 3, 9, 15, 21, x, x, x, x + movq m4, [src0q+src4q] ; m4 = 4, 10, 16, 22, x, x, x, x + movq m5, [src0q+src5q] ; m5 = 5, 11, 17, 23, x, x, x, x + ; unpack words: + punpcklwd m0, m1 ; m0 = 0, 1, 6, 7, 12, 13, 18, 19 + punpcklwd m2, m3 ; m2 = 4, 5, 10, 11, 16, 17, 22, 23 + punpcklwd m4, m5 ; m4 = 2, 3, 8, 9, 14, 15, 20, 21 + ; blend dwords + shufps m1, m0, m2, q2020 ; m1 = 0, 1, 12, 13, 2, 3, 14, 15 + shufps m0, m4, q2031 ; m0 = 6, 7, 18, 19, 4, 5, 16, 17 + shufps m2, m4, q3131 ; m2 = 8, 9, 20, 21, 10, 11, 22, 23 + ; shuffle dwords + pshufd m0, m0, q1302 ; m0 = 4, 5, 6, 7, 16, 17, 18, 19 + pshufd m1, m1, q3120 ; m1 = 0, 1, 2, 3, 12, 13, 14, 15 + pshufd m2, m2, q3120 ; m2 = 8, 9, 10, 11, 20, 21, 22, 23 + movq [dstq+0*mmsize/2], m1 + movq [dstq+1*mmsize/2], m0 + movq [dstq+2*mmsize/2], m2 + movhps [dstq+3*mmsize/2], m1 + movhps [dstq+4*mmsize/2], m0 + movhps [dstq+5*mmsize/2], m2 + add src0q, mmsize/2 + add dstq, mmsize*3 + sub lend, mmsize/4 +%else + mova m0, [src0q ] ; m0 = 0, 6, 12, 18, 24, 30, 36, 42 + mova m1, [src0q+src1q] ; m1 = 1, 7, 13, 19, 25, 31, 37, 43 + mova m2, [src0q+src2q] ; m2 = 2, 8, 14, 20, 26, 32, 38, 44 + mova m3, [src0q+src3q] ; m3 = 3, 9, 15, 21, 27, 33, 39, 45 + mova m4, [src0q+src4q] ; m4 = 4, 10, 16, 22, 28, 34, 40, 46 + mova m5, [src0q+src5q] ; m5 = 5, 11, 17, 23, 29, 35, 41, 47 + ; unpack words: + SBUTTERFLY2 wd, 0, 1, 6 ; m0 = 0, 1, 6, 7, 12, 13, 18, 19 + ; m1 = 24, 25, 30, 31, 36, 37, 42, 43 + SBUTTERFLY2 wd, 2, 3, 6 ; m2 = 2, 3, 8, 9, 14, 15, 20, 21 + ; m3 = 26, 27, 32, 33, 38, 39, 44, 45 + SBUTTERFLY2 wd, 4, 5, 6 ; m4 = 4, 5, 10, 11, 16, 17, 22, 23 + ; m5 = 28, 29, 34, 35, 40, 41, 46, 47 + ; blend dwords + shufps m6, m0, m2, q2020 ; m6 = 0, 1, 12, 13, 2, 3, 14, 15 + shufps m0, m4, q2031 ; m0 = 6, 7, 18, 19, 4, 5, 16, 17 + shufps m2, m4, q3131 ; m2 = 8, 9, 20, 21, 10, 11, 22, 23 + SWAP 4,6 ; m4 = 0, 1, 12, 13, 2, 3, 14, 15 + shufps m6, m1, m3, q2020 ; m6 = 24, 25, 36, 37, 26, 27, 38, 39 + shufps m1, m5, q2031 ; m1 = 30, 31, 42, 43, 28, 29, 40, 41 + shufps m3, m5, q3131 ; m3 = 32, 33, 44, 45, 34, 35, 46, 47 + SWAP 5,6 ; m5 = 24, 25, 36, 37, 26, 27, 38, 39 + ; shuffle dwords + pshufd m0, m0, q1302 ; m0 = 4, 5, 6, 7, 16, 17, 18, 19 + pshufd m2, m2, q3120 ; m2 = 8, 9, 10, 11, 20, 21, 22, 23 + pshufd m4, m4, q3120 ; m4 = 0, 1, 2, 3, 12, 13, 14, 15 + pshufd m1, m1, q1302 ; m1 = 28, 29, 30, 31, 40, 41, 42, 43 + pshufd m3, m3, q3120 ; m3 = 32, 33, 34, 35, 44, 45, 46, 47 + pshufd m5, m5, q3120 ; m5 = 24, 25, 26, 27, 36, 37, 38, 39 + ; shuffle qwords + punpcklqdq m6, m4, m0 ; m6 = 0, 1, 2, 3, 4, 5, 6, 7 + punpckhqdq m0, m2 ; m0 = 16, 17, 18, 19, 20, 21, 22, 23 + shufps m2, m4, q3210 ; m2 = 8, 9, 10, 11, 12, 13, 14, 15 + SWAP 4,6 ; m4 = 0, 1, 2, 3, 4, 5, 6, 7 + punpcklqdq m6, m5, m1 ; m6 = 24, 25, 26, 27, 28, 29, 30, 31 + punpckhqdq m1, m3 ; m1 = 40, 41, 42, 43, 44, 45, 46, 47 + shufps m3, m5, q3210 ; m3 = 32, 33, 34, 35, 36, 37, 38, 39 + SWAP 5,6 ; m5 = 24, 25, 26, 27, 28, 29, 30, 31 + mova [dstq+0*mmsize], m4 + mova [dstq+1*mmsize], m2 + mova [dstq+2*mmsize], m0 + mova [dstq+3*mmsize], m5 + mova [dstq+4*mmsize], m3 + mova [dstq+5*mmsize], m1 + add src0q, mmsize + add dstq, mmsize*6 + sub lend, mmsize/2 +%endif + jg .loop + REP_RET +%endmacro + +INIT_XMM sse2 +CONV_S16P_TO_S16_6CH +INIT_XMM sse2slow +CONV_S16P_TO_S16_6CH +%if HAVE_AVX +INIT_XMM avx +CONV_S16P_TO_S16_6CH +%endif + ;----------------------------------------------------------------------------- ; void ff_conv_fltp_to_flt_6ch(float *dst, float *const *src, int len, ; int channels); diff --git a/libavresample/x86/audio_convert_init.c b/libavresample/x86/audio_convert_init.c index 9b7bcb15e1..d9d471487d 100644 --- a/libavresample/x86/audio_convert_init.c +++ b/libavresample/x86/audio_convert_init.c @@ -47,6 +47,13 @@ extern void ff_conv_s16p_to_s16_2ch_sse2(int16_t *dst, int16_t *const *src, extern void ff_conv_s16p_to_s16_2ch_avx (int16_t *dst, int16_t *const *src, int len, int channels); +extern void ff_conv_s16p_to_s16_6ch_sse2(int16_t *dst, int16_t *const *src, + int len, int channels); +extern void ff_conv_s16p_to_s16_6ch_sse2slow(int16_t *dst, int16_t *const *src, + int len, int channels); +extern void ff_conv_s16p_to_s16_6ch_avx (int16_t *dst, int16_t *const *src, + int len, int channels); + extern void ff_conv_fltp_to_flt_6ch_mmx (float *dst, float *const *src, int len, int channels); extern void ff_conv_fltp_to_flt_6ch_sse4(float *dst, float *const *src, int len, @@ -69,6 +76,11 @@ av_cold void ff_audio_convert_init_x86(AudioConvert *ac) if (!(mm_flags & AV_CPU_FLAG_SSE2SLOW)) { ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_S32, 0, 16, 16, "SSE2", ff_conv_s32_to_s16_sse2); + ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_S16P, + 6, 16, 8, "SSE2", ff_conv_s16p_to_s16_6ch_sse2); + } else { + ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_S16P, + 6, 1, 4, "SSE2SLOW", ff_conv_s16p_to_s16_6ch_sse2slow); } ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_S32, AV_SAMPLE_FMT_S16, 0, 16, 8, "SSE2", ff_conv_s16_to_s32_sse2); @@ -96,6 +108,8 @@ av_cold void ff_audio_convert_init_x86(AudioConvert *ac) 0, 32, 32, "AVX", ff_conv_flt_to_s32_avx); ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_S16P, 2, 16, 16, "AVX", ff_conv_s16p_to_s16_2ch_avx); + ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_S16P, + 6, 16, 8, "AVX", ff_conv_s16p_to_s16_6ch_avx); ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_FLTP, 6, 16, 4, "AVX", ff_conv_fltp_to_flt_6ch_avx); } |