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ARM: NEON optimized put_signed_pixels_clamped 

Originally committed as revision 18333 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
David Conrad 2009-04-04 21:02:48 +00:00
parent 08e12b2240
commit cc2e555420
2 changed files with 39 additions and 0 deletions
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2
libavcodec/arm/dsputil_neon.c
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@ -42,6 +42,7 @@ void ff_put_pixels8_xy2_no_rnd_neon(uint8_t *, const uint8_t *, int, int);
void ff_avg_pixels16_neon(uint8_t *, const uint8_t *, int, int);
void ff_add_pixels_clamped_neon(const DCTELEM *, uint8_t *, int);
void ff_put_signed_pixels_clamped_neon(const DCTELEM *, uint8_t *, int);
void ff_put_h264_qpel16_mc00_neon(uint8_t *, uint8_t *, int);
void ff_put_h264_qpel16_mc10_neon(uint8_t *, uint8_t *, int);
@ -179,6 +180,7 @@ void ff_dsputil_init_neon(DSPContext *c, AVCodecContext *avctx)
c->avg_pixels_tab[0][0] = ff_avg_pixels16_neon;
c->add_pixels_clamped = ff_add_pixels_clamped_neon;
c->put_signed_pixels_clamped = ff_put_signed_pixels_clamped_neon;
c->put_h264_chroma_pixels_tab[0] = ff_put_h264_chroma_mc8_neon;
c->put_h264_chroma_pixels_tab[1] = ff_put_h264_chroma_mc4_neon;

37
libavcodec/arm/dsputil_neon_s.S
View File

@ -273,6 +273,43 @@ function ff_put_h264_qpel8_mc00_neon, export=1
pixfunc2 put_ pixels8_y2, _no_rnd, vhadd.u8
pixfunc2 put_ pixels8_xy2, _no_rnd, vshrn.u16, 1
function ff_put_signed_pixels_clamped_neon, export=1
vmov.u8 d31, #128
vld1.64 {d16-d17}, [r0,:128]!
vqmovn.s16 d0, q8
vld1.64 {d18-d19}, [r0,:128]!
vqmovn.s16 d1, q9
vld1.64 {d16-d17}, [r0,:128]!
vqmovn.s16 d2, q8
vld1.64 {d18-d19}, [r0,:128]!
vadd.u8 d0, d0, d31
vld1.64 {d20-d21}, [r0,:128]!
vadd.u8 d1, d1, d31
vld1.64 {d22-d23}, [r0,:128]!
vadd.u8 d2, d2, d31
vst1.64 {d0}, [r1,:64], r2
vqmovn.s16 d3, q9
vst1.64 {d1}, [r1,:64], r2
vqmovn.s16 d4, q10
vst1.64 {d2}, [r1,:64], r2
vqmovn.s16 d5, q11
vld1.64 {d24-d25}, [r0,:128]!
vadd.u8 d3, d3, d31
vld1.64 {d26-d27}, [r0,:128]!
vadd.u8 d4, d4, d31
vadd.u8 d5, d5, d31
vst1.64 {d3}, [r1,:64], r2
vqmovn.s16 d6, q12
vst1.64 {d4}, [r1,:64], r2
vqmovn.s16 d7, q13
vst1.64 {d5}, [r1,:64], r2
vadd.u8 d6, d6, d31
vadd.u8 d7, d7, d31
vst1.64 {d6}, [r1,:64], r2
vst1.64 {d7}, [r1,:64], r2
bx lr
.endfunc
function ff_add_pixels_clamped_neon, export=1
mov r3, r1
vld1.64 {d16}, [r1,:64], r2