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| author | Ronald S. Bultje <rsbultje@gmail.com> | 2011-08-24 13:58:37 -0700 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2011-10-03 01:49:36 +0200 |
| commit | a5dfeb612eec1223bb0adf9625010c81e8737edb (patch) | |
| tree | e3d5fd16603cb4ce68dd82ff2452c15308d11df1 /libavcodec/arm/vp8dsp_neon.S | |
| parent | c3a774969a9de064115376919999288559d06f3f (diff) | |
| download | ffmpeg-a5dfeb612eec1223bb0adf9625010c81e8737edb.tar.gz | |
VP8: armv6 optimizations.
From 52.503s (~40fps) to 27.973sec (~80fps) decoding of 480p sintel
trailer, i.e. a ~2x speedup overall, on a Nexus S.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavcodec/arm/vp8dsp_neon.S')
| -rw-r--r-- | libavcodec/arm/vp8dsp_neon.S | 29 |
1 files changed, 0 insertions, 29 deletions
diff --git a/libavcodec/arm/vp8dsp_neon.S b/libavcodec/arm/vp8dsp_neon.S index 28487e7a60..1fb3753aab 100644 --- a/libavcodec/arm/vp8dsp_neon.S +++ b/libavcodec/arm/vp8dsp_neon.S @@ -76,18 +76,6 @@ function ff_vp8_luma_dc_wht_neon, export=1 bx lr endfunc -function ff_vp8_luma_dc_wht_dc_neon, export=1 - ldrsh r2, [r1] - mov r3, #0 - add r2, r2, #3 - strh r3, [r1] - asr r2, r2, #3 - .rept 16 - strh r2, [r0], #32 - .endr - bx lr -endfunc - function ff_vp8_idct_add_neon, export=1 vld1.16 {q0-q1}, [r1,:128] movw r3, #20091 @@ -741,23 +729,6 @@ function ff_put_vp8_pixels8_neon, export=1 bx lr endfunc -function ff_put_vp8_pixels4_neon, export=1 - ldr r12, [sp, #0] @ h - push {r4-r6,lr} -1: - subs r12, r12, #4 - ldr_post r4, r2, r3 - ldr_post r5, r2, r3 - ldr_post r6, r2, r3 - ldr_post lr, r2, r3 - str_post r4, r0, r1 - str_post r5, r0, r1 - str_post r6, r0, r1 - str_post lr, r0, r1 - bgt 1b - pop {r4-r6,pc} -endfunc - /* 4/6-tap 8th-pel MC */ .macro vp8_epel8_h6 d, a, b |