diff options
| author | Janne Grunau <janne-libav@jannau.net> | 2011-12-05 21:18:05 +0000 |
|---|---|---|
| committer | Mans Rullgard <mans@mansr.com> | 2011-12-06 13:48:25 +0000 |
| commit | f5c05b9aa5aeb6079b76f9da452f8ee4050e8955 (patch) | |
| tree | 8e93cc8ae1cca551af6e6bce06f522464176976a /libavcodec/arm/h264cmc_neon.S | |
| parent | f054a82727728e813861851648e109cd24574178 (diff) | |
| download | ffmpeg-f5c05b9aa5aeb6079b76f9da452f8ee4050e8955.tar.gz | |
rv40: NEON optimised chroma MC
Signed-off-by: Mans Rullgard <mans@mansr.com>
Diffstat (limited to 'libavcodec/arm/h264cmc_neon.S')
| -rw-r--r-- | libavcodec/arm/h264cmc_neon.S | 80 |
1 files changed, 75 insertions, 5 deletions
diff --git a/libavcodec/arm/h264cmc_neon.S b/libavcodec/arm/h264cmc_neon.S index e10adaca10..a6feadd189 100644 --- a/libavcodec/arm/h264cmc_neon.S +++ b/libavcodec/arm/h264cmc_neon.S @@ -21,8 +21,8 @@ #include "asm.S" /* chroma_mc8(uint8_t *dst, uint8_t *src, int stride, int h, int x, int y) */ -.macro h264_chroma_mc8 type -function ff_\type\()_h264_chroma_mc8_neon, export=1 +.macro h264_chroma_mc8 type, codec=h264 +function ff_\type\()_\codec\()_chroma_mc8_neon, export=1 push {r4-r7, lr} ldrd r4, [sp, #20] .ifc \type,avg @@ -31,6 +31,15 @@ function ff_\type\()_h264_chroma_mc8_neon, export=1 pld [r1] pld [r1, r2] + .ifc \codec,rv40 + movrel r6, rv40bias + lsr r7, r5, #1 + add r6, r6, r7, lsl #3 + lsr r7, r4, #1 + add r6, r6, r7, lsl #1 + vld1.16 {d22[],d23[]}, [r6,:16] + .endif + A muls r7, r4, r5 T mul r7, r4, r5 T cmp r7, #0 @@ -67,10 +76,17 @@ T cmp r7, #0 vmlal.u8 q9, d7, d1 vmlal.u8 q9, d4, d2 vmlal.u8 q9, d5, d3 - vrshrn.u16 d16, q8, #6 vld1.8 {d6, d7}, [r5], r4 pld [r1] + .ifc \codec,h264 + vrshrn.u16 d16, q8, #6 vrshrn.u16 d17, q9, #6 + .else + vadd.u16 q8, q8, q11 + vadd.u16 q9, q9, q11 + vshrn.u16 d16, q8, #6 + vshrn.u16 d17, q9, #6 + .endif .ifc \type,avg vld1.8 {d20}, [lr,:64], r2 vld1.8 {d21}, [lr,:64], r2 @@ -102,8 +118,15 @@ T cmp r7, #0 vmull.u8 q9, d6, d0 vmlal.u8 q9, d4, d1 vld1.8 {d6}, [r5], r4 + .ifc \codec,h264 vrshrn.u16 d16, q8, #6 vrshrn.u16 d17, q9, #6 + .else + vadd.u16 q8, q8, q11 + vadd.u16 q9, q9, q11 + vshrn.u16 d16, q8, #6 + vshrn.u16 d17, q9, #6 + .endif .ifc \type,avg vld1.8 {d20}, [lr,:64], r2 vld1.8 {d21}, [lr,:64], r2 @@ -131,8 +154,15 @@ T cmp r7, #0 vmlal.u8 q9, d7, d1 pld [r1] vext.8 d5, d4, d5, #1 + .ifc \codec,h264 vrshrn.u16 d16, q8, #6 vrshrn.u16 d17, q9, #6 + .else + vadd.u16 q8, q8, q11 + vadd.u16 q9, q9, q11 + vshrn.u16 d16, q8, #6 + vshrn.u16 d17, q9, #6 + .endif .ifc \type,avg vld1.8 {d20}, [lr,:64], r2 vld1.8 {d21}, [lr,:64], r2 @@ -149,8 +179,8 @@ endfunc .endm /* chroma_mc4(uint8_t *dst, uint8_t *src, int stride, int h, int x, int y) */ -.macro h264_chroma_mc4 type -function ff_\type\()_h264_chroma_mc4_neon, export=1 +.macro h264_chroma_mc4 type, codec=h264 +function ff_\type\()_\codec\()_chroma_mc4_neon, export=1 push {r4-r7, lr} ldrd r4, [sp, #20] .ifc \type,avg @@ -159,6 +189,15 @@ function ff_\type\()_h264_chroma_mc4_neon, export=1 pld [r1] pld [r1, r2] + .ifc \codec,rv40 + movrel r6, rv40bias + lsr r7, r5, #1 + add r6, r6, r7, lsl #3 + lsr r7, r4, #1 + add r6, r6, r7, lsl #1 + vld1.16 {d22[],d23[]}, [r6,:16] + .endif + A muls r7, r4, r5 T mul r7, r4, r5 T cmp r7, #0 @@ -199,7 +238,12 @@ T cmp r7, #0 vld1.8 {d6}, [r5], r4 vadd.i16 d16, d16, d17 vadd.i16 d17, d18, d19 + .ifc \codec,h264 vrshrn.u16 d16, q8, #6 + .else + vadd.u16 q8, q8, q11 + vshrn.u16 d16, q8, #6 + .endif subs r3, r3, #2 pld [r1] .ifc \type,avg @@ -236,7 +280,12 @@ T cmp r7, #0 vld1.32 {d4[1]}, [r5], r4 vadd.i16 d16, d16, d17 vadd.i16 d17, d18, d19 + .ifc \codec,h264 vrshrn.u16 d16, q8, #6 + .else + vadd.u16 q8, q8, q11 + vshrn.u16 d16, q8, #6 + .endif .ifc \type,avg vld1.32 {d20[0]}, [lr,:32], r2 vld1.32 {d20[1]}, [lr,:32], r2 @@ -266,7 +315,12 @@ T cmp r7, #0 vadd.i16 d16, d16, d17 vadd.i16 d17, d18, d19 pld [r1] + .ifc \codec,h264 vrshrn.u16 d16, q8, #6 + .else + vadd.u16 q8, q8, q11 + vshrn.u16 d16, q8, #6 + .endif .ifc \type,avg vld1.32 {d20[0]}, [lr,:32], r2 vld1.32 {d20[1]}, [lr,:32], r2 @@ -352,9 +406,25 @@ function ff_\type\()_h264_chroma_mc2_neon, export=1 endfunc .endm +#if CONFIG_H264_DECODER h264_chroma_mc8 put h264_chroma_mc8 avg h264_chroma_mc4 put h264_chroma_mc4 avg h264_chroma_mc2 put h264_chroma_mc2 avg +#endif + +#if CONFIG_RV40_DECODER +const rv40bias + .short 0, 16, 32, 16 + .short 32, 28, 32, 28 + .short 0, 32, 16, 32 + .short 32, 28, 32, 28 +endconst + + h264_chroma_mc8 put, rv40 + h264_chroma_mc8 avg, rv40 + h264_chroma_mc4 put, rv40 + h264_chroma_mc4 avg, rv40 +#endif |