diff options
| author | Shiyou Yin <yinshiyou-hf@loongson.cn> | 2019-02-01 14:05:02 +0800 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2019-02-02 20:17:37 +0100 |
| commit | b429c86d84cfc964c84bc68ec56799802de2b25a (patch) | |
| tree | 311167ed9166bc5ea1cf30fd330683b5597b87f5 /libavcodec/mips/hevcdsp_mmi.c | |
| parent | dceefb2b84b3aacaf40309f750b1b53f36b7a412 (diff) | |
avcodec/mips: [loongson] optimize put_hevc_qpel_h_8 with mmi.
Optimize put_hevc_qpel_h_8 with mmi in the case width=4/8/12/16/24/32/48/64.
This optimization improved HEVC decoding performance 2%(2.39x to 2.44x, tested on loongson 3A3000).
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Diffstat (limited to 'libavcodec/mips/hevcdsp_mmi.c')
| -rw-r--r-- | libavcodec/mips/hevcdsp_mmi.c | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/libavcodec/mips/hevcdsp_mmi.c b/libavcodec/mips/hevcdsp_mmi.c index 3a7ce54222..aa83e1f9ad 100644 --- a/libavcodec/mips/hevcdsp_mmi.c +++ b/libavcodec/mips/hevcdsp_mmi.c @@ -23,6 +23,103 @@ #include "libavcodec/mips/hevcdsp_mips.h" #include "libavutil/mips/mmiutils.h" +#define PUT_HEVC_QPEL_H(w, x_step, src_step, dst_step) \ +void ff_hevc_put_hevc_qpel_h##w##_8_mmi(int16_t *dst, uint8_t *_src, \ + ptrdiff_t _srcstride, \ + int height, intptr_t mx, \ + intptr_t my, int width) \ +{ \ + int x, y; \ + pixel *src = (pixel*)_src - 3; \ + ptrdiff_t srcstride = _srcstride / sizeof(pixel); \ + uint64_t ftmp[15]; \ + uint64_t rtmp[1]; \ + const int8_t *filter = ff_hevc_qpel_filters[mx - 1]; \ + \ + x = x_step; \ + y = height; \ + __asm__ volatile( \ + MMI_LDC1(%[ftmp1], %[filter], 0x00) \ + "li %[rtmp0], 0x08 \n\t" \ + "dmtc1 %[rtmp0], %[ftmp0] \n\t" \ + "punpckhbh %[ftmp2], %[ftmp0], %[ftmp1] \n\t" \ + "punpcklbh %[ftmp1], %[ftmp0], %[ftmp1] \n\t" \ + "psrah %[ftmp1], %[ftmp1], %[ftmp0] \n\t" \ + "psrah %[ftmp2], %[ftmp2], %[ftmp0] \n\t" \ + "xor %[ftmp0], %[ftmp0], %[ftmp0] \n\t" \ + \ + "1: \n\t" \ + "2: \n\t" \ + "gsldlc1 %[ftmp3], 0x07(%[src]) \n\t" \ + "gsldrc1 %[ftmp3], 0x00(%[src]) \n\t" \ + "gsldlc1 %[ftmp4], 0x08(%[src]) \n\t" \ + "gsldrc1 %[ftmp4], 0x01(%[src]) \n\t" \ + "gsldlc1 %[ftmp5], 0x09(%[src]) \n\t" \ + "gsldrc1 %[ftmp5], 0x02(%[src]) \n\t" \ + "gsldlc1 %[ftmp6], 0x0a(%[src]) \n\t" \ + "gsldrc1 %[ftmp6], 0x03(%[src]) \n\t" \ + "punpcklbh %[ftmp7], %[ftmp3], %[ftmp0] \n\t" \ + "punpckhbh %[ftmp8], %[ftmp3], %[ftmp0] \n\t" \ + "pmullh %[ftmp7], %[ftmp7], %[ftmp1] \n\t" \ + "pmullh %[ftmp8], %[ftmp8], %[ftmp2] \n\t" \ + "paddh %[ftmp3], %[ftmp7], %[ftmp8] \n\t" \ + "punpcklbh %[ftmp7], %[ftmp4], %[ftmp0] \n\t" \ + "punpckhbh %[ftmp8], %[ftmp4], %[ftmp0] \n\t" \ + "pmullh %[ftmp7], %[ftmp7], %[ftmp1] \n\t" \ + "pmullh %[ftmp8], %[ftmp8], %[ftmp2] \n\t" \ + "paddh %[ftmp4], %[ftmp7], %[ftmp8] \n\t" \ + "punpcklbh %[ftmp7], %[ftmp5], %[ftmp0] \n\t" \ + "punpckhbh %[ftmp8], %[ftmp5], %[ftmp0] \n\t" \ + "pmullh %[ftmp7], %[ftmp7], %[ftmp1] \n\t" \ + "pmullh %[ftmp8], %[ftmp8], %[ftmp2] \n\t" \ + "paddh %[ftmp5], %[ftmp7], %[ftmp8] \n\t" \ + "punpcklbh %[ftmp7], %[ftmp6], %[ftmp0] \n\t" \ + "punpckhbh %[ftmp8], %[ftmp6], %[ftmp0] \n\t" \ + "pmullh %[ftmp7], %[ftmp7], %[ftmp1] \n\t" \ + "pmullh %[ftmp8], %[ftmp8], %[ftmp2] \n\t" \ + "paddh %[ftmp6], %[ftmp7], %[ftmp8] \n\t" \ + TRANSPOSE_4H(%[ftmp3], %[ftmp4], %[ftmp5], %[ftmp6], \ + %[ftmp7], %[ftmp8], %[ftmp9], %[ftmp10]) \ + "paddh %[ftmp3], %[ftmp3], %[ftmp4] \n\t" \ + "paddh %[ftmp5], %[ftmp5], %[ftmp6] \n\t" \ + "paddh %[ftmp3], %[ftmp3], %[ftmp5] \n\t" \ + "gssdlc1 %[ftmp3], 0x07(%[dst]) \n\t" \ + "gssdrc1 %[ftmp3], 0x00(%[dst]) \n\t" \ + \ + "daddi %[x], %[x], -0x01 \n\t" \ + PTR_ADDIU "%[src], %[src], 0x04 \n\t" \ + PTR_ADDIU "%[dst], %[dst], 0x08 \n\t" \ + "bnez %[x], 2b \n\t" \ + \ + "daddi %[y], %[y], -0x01 \n\t" \ + "li %[x], " #x_step " \n\t" \ + PTR_ADDIU "%[src], %[src], " #src_step " \n\t" \ + PTR_ADDIU "%[dst], %[dst], " #dst_step " \n\t" \ + PTR_ADDU "%[src], %[src], %[stride] \n\t" \ + PTR_ADDIU "%[dst], %[dst], 0x80 \n\t" \ + "bnez %[y], 1b \n\t" \ + : [ftmp0]"=&f"(ftmp[0]), [ftmp1]"=&f"(ftmp[1]), \ + [ftmp2]"=&f"(ftmp[2]), [ftmp3]"=&f"(ftmp[3]), \ + [ftmp4]"=&f"(ftmp[4]), [ftmp5]"=&f"(ftmp[5]), \ + [ftmp6]"=&f"(ftmp[6]), [ftmp7]"=&f"(ftmp[7]), \ + [ftmp8]"=&f"(ftmp[8]), [ftmp9]"=&f"(ftmp[9]), \ + [ftmp10]"=&f"(ftmp[10]), [rtmp0]"=&r"(rtmp[0]), \ + [src]"+&r"(src), [dst]"+&r"(dst), [y]"+&r"(y), \ + [x]"+&r"(x) \ + : [filter]"r"(filter), [stride]"r"(srcstride) \ + : "memory" \ + ); \ +} + +PUT_HEVC_QPEL_H(4, 1, -4, -8); +PUT_HEVC_QPEL_H(8, 2, -8, -16); +PUT_HEVC_QPEL_H(12, 3, -12, -24); +PUT_HEVC_QPEL_H(16, 4, -16, -32); +PUT_HEVC_QPEL_H(24, 6, -24, -48); +PUT_HEVC_QPEL_H(32, 8, -32, -64); +PUT_HEVC_QPEL_H(48, 12, -48, -96); +PUT_HEVC_QPEL_H(64, 16, -64, -128); + #define PUT_HEVC_QPEL_HV(w, x_step, src_step, dst_step) \ void ff_hevc_put_hevc_qpel_hv##w##_8_mmi(int16_t *dst, uint8_t *_src, \ ptrdiff_t _srcstride, \ |