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| author | Shivraj Patil <shivraj.patil@imgtec.com> | 2015-06-11 11:27:01 +0530 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2015-06-11 12:24:02 +0200 |
| commit | b87dc70c6590556d42ddc21ba0f6e9c790ddd23d (patch) | |
| tree | 482d5f7bfea88e5b367e0ea7306392fd58588fc3 /libavutil/mips | |
| parent | fd004e10d37f448cf6f6aee3bd3788874c1b9fbc (diff) | |
| download | ffmpeg-b87dc70c6590556d42ddc21ba0f6e9c790ddd23d.tar.gz | |
avcodec/mips: MSA (MIPS-SIMD-Arch) optimizations for AVC chroma mc functions
s patch adds MSA (MIPS-SIMD-Arch) optimizations for AVC chroma mc functions in new file h264chroma_msa.c
Adds new generic macros (needed for this patch) in libavutil/mips/generic_macros_msa.h
Signed-off-by: Shivraj Patil <shivraj.patil@imgtec.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavutil/mips')
| -rw-r--r-- | libavutil/mips/generic_macros_msa.h | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/libavutil/mips/generic_macros_msa.h b/libavutil/mips/generic_macros_msa.h index 841025c976..bee24e20f4 100644 --- a/libavutil/mips/generic_macros_msa.h +++ b/libavutil/mips/generic_macros_msa.h @@ -747,6 +747,33 @@ SW(out15_m, pblk_12x8_m + 8); \ } +/* Description : average with rounding (in0 + in1 + 1) / 2. + Arguments : Inputs - in0, in1, in2, in3, + Outputs - out0, out1 + Return Type - signed byte + Details : Each byte element from 'in0' vector is added with each byte + element from 'in1' vector. The addition of the elements plus 1 + (for rounding) is done unsigned with full precision, + i.e. the result has one extra bit. Unsigned division by 2 + (or logical shift right by one bit) is performed before writing + the result to vector 'out0' + Similar for the pair of 'in2' and 'in3' +*/ +#define AVER_UB2(RTYPE, in0, in1, in2, in3, out0, out1) \ +{ \ + out0 = (RTYPE) __msa_aver_u_b((v16u8) in0, (v16u8) in1); \ + out1 = (RTYPE) __msa_aver_u_b((v16u8) in2, (v16u8) in3); \ +} +#define AVER_UB2_UB(...) AVER_UB2(v16u8, __VA_ARGS__) + +#define AVER_UB4(RTYPE, in0, in1, in2, in3, in4, in5, in6, in7, \ + out0, out1, out2, out3) \ +{ \ + AVER_UB2(RTYPE, in0, in1, in2, in3, out0, out1) \ + AVER_UB2(RTYPE, in4, in5, in6, in7, out2, out3) \ +} +#define AVER_UB4_UB(...) AVER_UB4(v16u8, __VA_ARGS__) + /* Description : Immediate number of columns to slide with zero Arguments : Inputs - in0, in1, slide_val Outputs - out0, out1 @@ -863,6 +890,34 @@ Arguments : Inputs - mult0, mult1 cnst0, cnst1 Outputs - out0, out1 + Return Type - unsigned halfword + Details : Unsigned byte elements from mult0 are multiplied with + unsigned byte elements from cnst0 producing a result + twice the size of input i.e. unsigned halfword. + Then this multiplication results of adjacent odd-even elements + are added together and stored to the out vector + (2 unsigned halfword results) +*/ +#define DOTP_UB2(RTYPE, mult0, mult1, cnst0, cnst1, out0, out1) \ +{ \ + out0 = (RTYPE) __msa_dotp_u_h((v16u8) mult0, (v16u8) cnst0); \ + out1 = (RTYPE) __msa_dotp_u_h((v16u8) mult1, (v16u8) cnst1); \ +} +#define DOTP_UB2_UH(...) DOTP_UB2(v8u16, __VA_ARGS__) + +#define DOTP_UB4(RTYPE, mult0, mult1, mult2, mult3, \ + cnst0, cnst1, cnst2, cnst3, \ + out0, out1, out2, out3) \ +{ \ + DOTP_UB2(RTYPE, mult0, mult1, cnst0, cnst1, out0, out1); \ + DOTP_UB2(RTYPE, mult2, mult3, cnst2, cnst3, out2, out3); \ +} +#define DOTP_UB4_UH(...) DOTP_UB4(v8u16, __VA_ARGS__) + +/* Description : Dot product of byte vector elements + Arguments : Inputs - mult0, mult1 + cnst0, cnst1 + Outputs - out0, out1 Return Type - signed halfword Details : Signed byte elements from mult0 are multiplied with signed byte elements from cnst0 producing a result @@ -1363,6 +1418,7 @@ out0 = (RTYPE) __msa_ilvr_d((v2i64) (in0), (v2i64) (in1)); \ out1 = (RTYPE) __msa_ilvr_d((v2i64) (in2), (v2i64) (in3)); \ } +#define ILVR_D2_UB(...) ILVR_D2(v16u8, __VA_ARGS__) #define ILVR_D2_SB(...) ILVR_D2(v16i8, __VA_ARGS__) #define ILVR_D2_SH(...) ILVR_D2(v8i16, __VA_ARGS__) |