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| author | Michael Niedermayer <michaelni@gmx.at> | 2011-03-25 02:57:24 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2011-03-25 02:57:41 +0100 |
| commit | 797ef671dda9094640ade203a09dc59e9bf328a4 (patch) | |
| tree | 01f686f189f26f0dc745dc5a4d70d6983b18aafc /libavcodec/arm/dsputil_neon.S | |
| parent | 5d6c5dd36c024784a9cd36391c3698c2f1f2d2ab (diff) | |
| parent | 98a7d560b4f835ba5b99b9974ee1a2c096198bea (diff) | |
| download | ffmpeg-797ef671dda9094640ade203a09dc59e9bf328a4.tar.gz | |
Merge remote-tracking branch 'newdev/master'
* newdev/master:
matroskadec: set default duration for simple block
When building for MinGW32 disable strict ANSI compliancy.
ARM: fix ff_apply_window_int16_neon() prototype
configure: check for --as-needed support early
ARM: NEON optimised apply_window_int16()
ac3enc: NEON optimised shift functions
ac3enc: NEON optimised ac3_max_msb_abs_int16 and ac3_exponent_min
mpeg12.c: fix slice threading for mpeg2 field picture mode.
ffmetadec.c: fix compiler warnings.
configure: Don't explicitly disable ffplay or in/outdevices on dos
configure: Remove the explicit disabling of ffserver
configure: Add fork as a dependency to ffserver
Merged-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavcodec/arm/dsputil_neon.S')
| -rw-r--r-- | libavcodec/arm/dsputil_neon.S | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/libavcodec/arm/dsputil_neon.S b/libavcodec/arm/dsputil_neon.S index 05a911502b..0dbf5ca48a 100644 --- a/libavcodec/arm/dsputil_neon.S +++ b/libavcodec/arm/dsputil_neon.S @@ -789,3 +789,26 @@ NOVFP ldr r2, [sp] vst1.f32 {q9},[r0,:128]! bx lr endfunc + +function ff_apply_window_int16_neon, export=1 + push {r4,lr} + add r4, r1, r3, lsl #1 + add lr, r0, r3, lsl #1 + sub r4, r4, #16 + sub lr, lr, #16 + mov r12, #-16 +1: + vld1.16 {q0}, [r1,:128]! + vld1.16 {q2}, [r2,:128]! + vld1.16 {q1}, [r4,:128], r12 + vrev64.16 q3, q2 + vqrdmulh.s16 q0, q0, q2 + vqrdmulh.s16 d2, d2, d7 + vqrdmulh.s16 d3, d3, d6 + vst1.16 {q0}, [r0,:128]! + vst1.16 {q1}, [lr,:128], r12 + subs r3, r3, #16 + bgt 1b + + pop {r4,pc} +endfunc |