--- libavresample/x86/audio_convert.asm | 38 ++++++++++++++++++++++++++++++++ libavresample/x86/audio_convert_init.c | 11 +++++++++ 2 files changed, 49 insertions(+), 0 deletions(-)
diff --git a/libavresample/x86/audio_convert.asm b/libavresample/x86/audio_convert.asm index 9ba7251..70519e1 100644 --- a/libavresample/x86/audio_convert.asm +++ b/libavresample/x86/audio_convert.asm @@ -734,3 +734,41 @@ CONV_FLTP_TO_FLT_6CH INIT_XMM avx CONV_FLTP_TO_FLT_6CH %endif + +;------------------------------------------------------------------------------ +; void ff_conv_s16_to_s16p_2ch(int16_t *const *dst, int16_t *src, int len, +; int channels); +;------------------------------------------------------------------------------ + +%macro CONV_S16_TO_S16P_2CH 0 +cglobal conv_s16_to_s16p_2ch, 3,4,3, dst0, src, len, dst1 + lea lenq, [2*lend] + mov dst1q, [dst0q+gprsize] + mov dst0q, [dst0q ] + lea srcq, [srcq+2*lenq] + add dst0q, lenq + add dst1q, lenq + neg lenq + ALIGN 16 +.loop: + mova m0, [srcq+2*lenq ] + mova m1, [srcq+2*lenq+mmsize] + pshuflw m0, m0, q3120 + pshufhw m0, m0, q3120 + pshuflw m1, m1, q3120 + pshufhw m1, m1, q3120 + shufps m2, m0, m1, q2020 + shufps m0, m1, q3131 + mova [dst0q+lenq], m2 + mova [dst1q+lenq], m0 + add lenq, mmsize + jl .loop + REP_RET +%endmacro + +INIT_XMM sse2 +CONV_S16_TO_S16P_2CH +%if HAVE_AVX +INIT_XMM avx +CONV_S16_TO_S16P_2CH +%endif diff --git a/libavresample/x86/audio_convert_init.c b/libavresample/x86/audio_convert_init.c index e13b5b8..65c6e10 100644 --- a/libavresample/x86/audio_convert_init.c +++ b/libavresample/x86/audio_convert_init.c @@ -86,6 +86,13 @@ extern void ff_conv_fltp_to_flt_6ch_sse4(float *dst, float *const *src, int len, extern void ff_conv_fltp_to_flt_6ch_avx (float *dst, float *const *src, int len, int channels); +/* deinterleave conversions */ + +extern void ff_conv_s16_to_s16p_2ch_sse2(int16_t *const *dst, int16_t *src, + int len, int channels); +extern void ff_conv_s16_to_s16p_2ch_avx (int16_t *const *dst, int16_t *src, + int len, int channels); + av_cold void ff_audio_convert_init_x86(AudioConvert *ac) { #if HAVE_YASM @@ -130,6 +137,8 @@ av_cold void ff_audio_convert_init_x86(AudioConvert *ac) 2, 16, 4, "SSE2", ff_conv_fltp_to_s16_2ch_sse2); ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_FLTP, 6, 16, 4, "SSE2", ff_conv_fltp_to_s16_6ch_sse2); + ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_S16P, AV_SAMPLE_FMT_S16, + 2, 16, 8, "SSE2", ff_conv_s16_to_s16p_2ch_sse2); } if (mm_flags & AV_CPU_FLAG_SSE4 && HAVE_SSE) { ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_S16, @@ -158,6 +167,8 @@ av_cold void ff_audio_convert_init_x86(AudioConvert *ac) 2, 16, 8, "AVX", ff_conv_fltp_to_flt_2ch_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); + ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_S16P, AV_SAMPLE_FMT_S16, + 2, 16, 8, "AVX", ff_conv_s16_to_s16p_2ch_avx); } #endif } -- 1.7.1 _______________________________________________ libav-devel mailing list libav-devel@libav.org https://lists.libav.org/mailman/listinfo/libav-devel