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| author | Justin Ruggles <justin.ruggles@gmail.com> | 2011-01-30 15:06:46 +0000 |
|---|---|---|
| committer | Mans Rullgard <mans@mansr.com> | 2011-02-02 02:44:53 +0000 |
| commit | c73d99e672329c8f2df290736ffc474c360ac4ae (patch) | |
| tree | 59e330229ee0746b5c466da278430e682fc0371b /libavcodec/arm/dsputil_vfp.S | |
| parent | 770c410fbb8e1b87ce8ad7f3d7eddaa55e2b8295 (diff) | |
Separate format conversion DSP functions from DSPContext.
This will be beneficial for use with the audio conversion API without
requiring it to depend on all of dsputil.
Signed-off-by: Mans Rullgard <mans@mansr.com>
Diffstat (limited to 'libavcodec/arm/dsputil_vfp.S')
| -rw-r--r-- | libavcodec/arm/dsputil_vfp.S | 55 |
1 files changed, 0 insertions, 55 deletions
diff --git a/libavcodec/arm/dsputil_vfp.S b/libavcodec/arm/dsputil_vfp.S index a65b69e20a..197d500819 100644 --- a/libavcodec/arm/dsputil_vfp.S +++ b/libavcodec/arm/dsputil_vfp.S @@ -131,58 +131,3 @@ function ff_vector_fmul_reverse_vfp, export=1 vpop {d8-d15} bx lr endfunc - -#if HAVE_ARMV6 -/** - * ARM VFP optimized float to int16 conversion. - * Assume that len is a positive number and is multiple of 8, destination - * buffer is at least 4 bytes aligned (8 bytes alignment is better for - * performance), little endian byte sex - */ -@ void ff_float_to_int16_vfp(int16_t *dst, const float *src, int len) -function ff_float_to_int16_vfp, export=1 - push {r4-r8,lr} - vpush {d8-d11} - vldmia r1!, {s16-s23} - vcvt.s32.f32 s0, s16 - vcvt.s32.f32 s1, s17 - vcvt.s32.f32 s2, s18 - vcvt.s32.f32 s3, s19 - vcvt.s32.f32 s4, s20 - vcvt.s32.f32 s5, s21 - vcvt.s32.f32 s6, s22 - vcvt.s32.f32 s7, s23 -1: - subs r2, r2, #8 - vmov r3, r4, s0, s1 - vmov r5, r6, s2, s3 - vmov r7, r8, s4, s5 - vmov ip, lr, s6, s7 - vldmiagt r1!, {s16-s23} - ssat r4, #16, r4 - ssat r3, #16, r3 - ssat r6, #16, r6 - ssat r5, #16, r5 - pkhbt r3, r3, r4, lsl #16 - pkhbt r4, r5, r6, lsl #16 - vcvtgt.s32.f32 s0, s16 - vcvtgt.s32.f32 s1, s17 - vcvtgt.s32.f32 s2, s18 - vcvtgt.s32.f32 s3, s19 - vcvtgt.s32.f32 s4, s20 - vcvtgt.s32.f32 s5, s21 - vcvtgt.s32.f32 s6, s22 - vcvtgt.s32.f32 s7, s23 - ssat r8, #16, r8 - ssat r7, #16, r7 - ssat lr, #16, lr - ssat ip, #16, ip - pkhbt r5, r7, r8, lsl #16 - pkhbt r6, ip, lr, lsl #16 - stmia r0!, {r3-r6} - bgt 1b - - vpop {d8-d11} - pop {r4-r8,pc} -endfunc -#endif |