mirror of https://git.ffmpeg.org/ffmpeg.git
2x faster h264_idct_add8_10.
Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>
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@ -249,16 +249,17 @@ IDCT8_DC_ADD avx
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jmp .skipadd%2
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%endmacro
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%assign last_block 16
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%macro ADD16_OP_INTRA 3
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cmp word [r4+%3], 0
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jnz .ac%2
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mov r6d, dword [r2+ 0]
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or r6d, dword [r2+64]
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mov r5d, dword [r2+ 0]
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or r5d, dword [r2+64]
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jz .skipblock%2
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mov r5d, dword [r1+(%2+0)*4]
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mov r5d, dword [r1+(%2+0)*4]
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call idct_dc_add_%1
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.skipblock%2:
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%if %2<15
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%if %2<last_block-2
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add r2, 128
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%endif
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.skipadd%2:
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@ -302,47 +303,33 @@ INIT_AVX
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IDCT_ADD16INTRA_10 avx
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%endif
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%assign last_block 24
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;-----------------------------------------------------------------------------
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; h264_idct_add8(pixel **dst, const int *block_offset, dctcoef *block, int stride, const uint8_t nnzc[6*8])
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;-----------------------------------------------------------------------------
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%macro IDCT_ADD8 1
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cglobal h264_idct_add8_10_%1,5,7
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mov r5, 16
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add r2, 1024
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%ifdef PIC
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lea r11, [scan8_mem]
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%endif
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%ifdef ARCH_X86_64
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mov r10, r0
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mov r10, r0
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%endif
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.nextblock:
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movzx r6, byte [scan8+r5]
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movzx r6, byte [r4+r6]
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or r6d, dword [r2]
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test r6, r6
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jz .skipblock
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add r2, 1024
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mov r0, [r0]
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ADD16_OP_INTRA %1, 16, 1+1*8
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ADD16_OP_INTRA %1, 18, 1+2*8
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%ifdef ARCH_X86_64
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mov r0d, dword [r1+r5*4]
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add r0, [r10]
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mov r0, [r10+gprsize]
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%else
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mov r0, r0m
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mov r0, [r0]
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add r0, dword [r1+r5*4]
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mov r0, r0m
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mov r0, [r0+gprsize]
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%endif
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IDCT4_ADD_10 r0, r2, r3
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.skipblock:
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inc r5
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add r2, 64
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test r5, 3
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jnz .nextblock
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%ifdef ARCH_X86_64
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add r10, gprsize
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%else
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add r0mp, gprsize
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%endif
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test r5, 4
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jnz .nextblock
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ADD16_OP_INTRA %1, 20, 1+4*8
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ADD16_OP_INTRA %1, 22, 1+5*8
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REP_RET
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AC %1, 16
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AC %1, 18
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AC %1, 20
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AC %1, 22
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%endmacro ; IDCT_ADD8
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INIT_XMM
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