Ports the majority of IDCT functions for 10-bit H.264.

Some code was ported from x264.
---
 libavcodec/x86/Makefile            |    3 +-
 libavcodec/x86/h264_idct_10bit.asm |  433 ++++++++++++++++++++++++++++++++++++
 libavcodec/x86/h264dsp_mmx.c       |   59 +++++
 3 files changed, 494 insertions(+), 1 deletions(-)
 create mode 100644 libavcodec/x86/h264_idct_10bit.asm

diff --git a/libavcodec/x86/Makefile b/libavcodec/x86/Makefile
index ba664ab..38b736e 100644
--- a/libavcodec/x86/Makefile
+++ b/libavcodec/x86/Makefile
@@ -12,8 +12,9 @@ YASM-OBJS-$(CONFIG_FFT)                += x86/fft_mmx.o       
          \
 MMX-OBJS-$(CONFIG_H264DSP)             += x86/h264dsp_mmx.o
 YASM-OBJS-$(CONFIG_H264DSP)            += x86/h264_deblock.o            \
                                           x86/h264_deblock_10bit.o      \
-                                          x86/h264_weight.o             \
                                           x86/h264_idct.o               \
+                                          x86/h264_idct_10bit.o         \
+                                          x86/h264_weight.o             \
 
 YASM-OBJS-$(CONFIG_H264PRED)           += x86/h264_intrapred.o
 MMX-OBJS-$(CONFIG_H264PRED)            += x86/h264_intrapred_init.o
diff --git a/libavcodec/x86/h264_idct_10bit.asm 
b/libavcodec/x86/h264_idct_10bit.asm
new file mode 100644
index 0000000..c16489a
--- /dev/null
+++ b/libavcodec/x86/h264_idct_10bit.asm
@@ -0,0 +1,433 @@
+;*****************************************************************************
+;* MMX/SSE2/AVX-optimized 10-bit H.264 iDCT code
+;*****************************************************************************
+;* Copyright (C) 2005-2011 x264 project
+;*
+;* Authors: Daniel Kang <daniel.d.k...@gmail.com>
+;*
+;* This file is part of Libav.
+;*
+;* Libav is free software; you can redistribute it and/or
+;* modify it under the terms of the GNU Lesser General Public
+;* License as published by the Free Software Foundation; either
+;* version 2.1 of the License, or (at your option) any later version.
+;*
+;* Libav is distributed in the hope that it will be useful,
+;* but WITHOUT ANY WARRANTY; without even the implied warranty of
+;* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+;* Lesser General Public License for more details.
+;*
+;* You should have received a copy of the GNU Lesser General Public
+;* License along with Libav; if not, write to the Free Software
+;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+;******************************************************************************
+
+%include "x86inc.asm"
+%include "x86util.asm"
+
+SECTION_RODATA
+
+pw_pixel_max: times 8 dw ((1 << 10)-1)
+pd_32:        times 4 dd 32
+scan8_mem: db 4+1*8, 5+1*8, 4+2*8, 5+2*8
+           db 6+1*8, 7+1*8, 6+2*8, 7+2*8
+           db 4+3*8, 5+3*8, 4+4*8, 5+4*8
+           db 6+3*8, 7+3*8, 6+4*8, 7+4*8
+           db 1+1*8, 2+1*8
+           db 1+2*8, 2+2*8
+           db 1+4*8, 2+4*8
+           db 1+5*8, 2+5*8
+
+%ifdef PIC
+%define scan8 r11
+%else
+%define scan8 scan8_mem
+%endif
+
+SECTION .text
+
+;-----------------------------------------------------------------------------
+; void h264_idct_add(pixel *dst, dctcoef *block, int stride)
+;-----------------------------------------------------------------------------
+%macro STORE_DIFFx2 6
+    psrad       %1, 6
+    psrad       %2, 6
+    packssdw    %1, %2
+    movq        %3, [%5]
+    movhps      %3, [%5+%6]
+    paddsw      %1, %3
+    CLIPW       %1, %4, [pw_pixel_max]
+    movq      [%5], %1
+    movhps [%5+%6], %1
+%endmacro
+
+;dst, in, stride
+%macro IDCT4_ADD_10 3
+    mova  m0, [%2+ 0]
+    mova  m1, [%2+16]
+    mova  m2, [%2+32]
+    mova  m3, [%2+48]
+    IDCT4_1D d,0,1,2,3,4,5
+    TRANSPOSE4x4D 0,1,2,3,4
+    paddd m0, [pd_32]
+    IDCT4_1D d,0,1,2,3,4,5
+    pxor  m5, m5
+    STORE_DIFFx2 m0, m1, m4, m5, %1, %3
+    lea   %1, [%1+%3*2]
+    STORE_DIFFx2 m2, m3, m4, m5, %1, %3
+%endmacro
+
+%macro IDCT_ADD_10 1
+cglobal h264_idct_add_10_%1, 3,3
+    IDCT4_ADD_10 r0, r1, r2
+    RET
+%endmacro
+
+INIT_XMM
+IDCT_ADD_10 sse2
+%ifdef HAVE_AVX
+INIT_AVX
+IDCT_ADD_10 avx
+%endif
+
+;-----------------------------------------------------------------------------
+; h264_idct_add16(pixel *dst, const int *block_offset, dctcoef *block, int 
stride, const uint8_t nnzc[6*8])
+;-----------------------------------------------------------------------------
+;;;;;;; NO FATE SAMPLES TRIGGER THIS
+%macro IDCT_ADD16_10 1
+cglobal h264_idct_add16_10_%1, 5,7
+    xor          r5, r5
+%ifdef PIC
+    lea         r11, [scan8_mem]
+%endif
+.nextblock
+    movzx        r6, byte [scan8+r5]
+    movzx        r6, byte [r4+r6]
+    cmp          byte [r4+r6], 0
+    jz .skipblock
+    mov         r6d, dword [r1+r5*4]
+    add          r6, r0
+    IDCT4_ADD_10 r6, r2, r3
+.skipblock
+    inc          r5
+    add          r2, 64
+    cmp          r5, 16
+    jl .nextblock
+    REP_RET
+%endmacro
+
+INIT_XMM
+IDCT_ADD16_10 sse2
+%ifdef HAVE_AVX
+INIT_AVX
+IDCT_ADD16_10 avx
+%endif
+
+;-----------------------------------------------------------------------------
+; h264_idct_add16intra(pixel *dst, const int *block_offset, dctcoef *block, 
int stride, const uint8_t nnzc[6*8])
+;-----------------------------------------------------------------------------
+%macro IDCT_ADD16INTRA_10 1
+cglobal h264_idct_add16intra_10_%1,5,7
+    xor          r5, r5
+%ifdef PIC
+    lea         r11, [scan8_mem]
+%endif
+.nextblock
+    movzx        r6, byte [scan8+r5]
+    movzx        r6, byte [r4+r6]
+    or          r6d, dword [r2]
+    test         r6, r6
+    jz .skipblock
+    mov         r6d, dword [r1+r5*4]
+    lea          r6, [r0+r6]
+    IDCT4_ADD_10 r6, r2, r3
+.skipblock
+    inc          r5
+    add          r2, 64
+    cmp          r5, 16
+    jl .nextblock
+    REP_RET
+%endmacro
+
+INIT_XMM
+IDCT_ADD16INTRA_10 sse2
+%ifdef HAVE_AVX
+INIT_AVX
+IDCT_ADD16INTRA_10 avx
+%endif
+
+
+;-----------------------------------------------------------------------------
+; h264_idct_add8(pixel **dst, const int *block_offset, dctcoef *block, int 
stride, const uint8_t nnzc[6*8])
+;-----------------------------------------------------------------------------
+%macro IDCT_ADD8 1
+h264_idct_add8_10_plane_%1:
+.nextblock
+    movzx        r6, byte [scan8+r5]
+    movzx        r6, byte [r4+r6]
+    or          r6d, dword [r2]
+    test         r6, r6
+    jz .skipblock
+%ifdef ARCH_X86_64
+    mov         r0d, dword [r1+r5*4]
+    add          r0, [r10]
+%else
+    mov          r0, r1m ; XXX r1m here is actually r0m of the calling func
+    mov          r0, [r0]
+    add          r0, dword [r1+r5*4]
+%endif
+    IDCT4_ADD_10 r0, r2, r3
+.skipblock
+    inc          r5
+    add          r2, 64
+    test         r5, 3
+    jnz .nextblock
+    rep ret
+
+cglobal h264_idct_add8_10_%1,5,7,0
+    mov          r5, 16
+    add          r2, 1024
+%ifdef PIC
+    lea         r11, [scan8_mem]
+%endif
+%ifdef ARCH_X86_64
+    mov         r10, r0
+%endif
+    call         h264_idct_add8_10_plane_%1
+%ifdef ARCH_X86_64
+    add         r10, gprsize
+%else
+    add        r0mp, gprsize
+%endif
+    call         h264_idct_add8_10_plane_%1
+    RET
+%endmacro ; IDCT_ADD8
+
+INIT_XMM
+IDCT_ADD8 sse2
+%ifdef HAVE_AVX
+INIT_AVX
+IDCT_ADD8 avx
+%endif
+
+;-----------------------------------------------------------------------------
+; void h264_idct_dc_add(pixel *dst, dctcoef *block, int stride)
+;-----------------------------------------------------------------------------
+%macro IDCT_DC_ADD_OP_10 0
+    mova      m1, [r0+ 0]
+    mova      m2, [r0+r2]
+    mova      m3, [r1+ 0]
+    mova      m4, [r1+r2]
+    pxor      m5, m5
+    paddw     m1, m0
+    paddw     m2, m0
+    paddw     m3, m0
+    paddw     m4, m0
+    CLIPW     m1, m5, m6
+    CLIPW     m2, m5, m6
+    CLIPW     m3, m5, m6
+    CLIPW     m4, m5, m6
+    mova [r0+ 0], m1
+    mova [r0+r2], m2
+    mova [r1+ 0], m3
+    mova [r1+r2], m4
+%endmacro
+
+INIT_MMX
+cglobal h264_idct_dc_add_10_mmx2,3,3
+    movd      m0, dword [r1]
+    paddd     m0, [pd_32]
+    psrad     m0, 6
+    lea       r1, [r0+r2*2]
+    pshufw    m0, m0, 0
+    mova      m6, [pw_pixel_max]
+    IDCT_DC_ADD_OP_10
+    RET
+
+;-----------------------------------------------------------------------------
+; void h264_idct8_dc_add(pixel *dst, dctcoef *block, int stride)
+;-----------------------------------------------------------------------------
+%macro IDCT8_DC_ADD 1
+cglobal h264_idct8_dc_add_10_%1,3,3,7
+    mov      r1d, dword [r1]
+    add       r1, 32
+    sar       r1, 6
+    movd      m0, r1d
+    lea       r1, [r0+r2*2]
+    SPLATW    m0, m0, 0
+    mova      m6, [pw_pixel_max]
+    IDCT_DC_ADD_OP_10
+    lea       r0, [r0+r2*4]
+    lea       r1, [r0+r2*2]
+    IDCT_DC_ADD_OP_10
+    RET
+%endmacro
+
+INIT_XMM
+IDCT8_DC_ADD sse2
+%ifdef HAVE_AVX
+INIT_AVX
+IDCT8_DC_ADD avx
+%endif
+
+;-----------------------------------------------------------------------------
+; void h264_idct8_add(pixel *dst, dctcoef *block, int stride)
+;-----------------------------------------------------------------------------
+%macro IDCT8_1D 2
+    SWAP         0, 1
+    psrad        m4, m5, 1
+    psrad        m1, m0, 1
+    paddd        m4, m5
+    paddd        m1, m0
+    paddd        m4, m7
+    paddd        m1, m5
+    psubd        m4, m0
+    paddd        m1, m3
+
+    psubd        m0, m3
+    psubd        m5, m3
+    paddd        m0, m7
+    psubd        m5, m7
+    psrad        m3, 1
+    psrad        m7, 1
+    psubd        m0, m3
+    psubd        m5, m7
+
+    SWAP         1, 7
+    psrad        m1, m7, 2
+    psrad        m3, m4, 2
+    paddd        m3, m0
+    psrad        m0, 2
+    paddd        m1, m5
+    psrad        m5, 2
+    psubd        m0, m4
+    psubd        m7, m5
+
+    SWAP         5, 6
+    psrad        m4, m2, 1
+    psrad        m6, m5, 1
+    psubd        m4, m5
+    paddd        m6, m2
+
+    mova         m2, %1
+    mova         m5, %2
+    SUMSUB_BA    d, 5, 2
+    SUMSUB_BA    d, 6, 5
+    SUMSUB_BA    d, 4, 2
+    SUMSUB_BA    d, 7, 6
+    SUMSUB_BA    d, 0, 4
+    SUMSUB_BA    d, 3, 2
+    SUMSUB_BA    d, 1, 5
+    SWAP         7, 6, 4, 5, 2, 3, 1, 0 ; 70315246 -> 01234567
+%endmacro
+
+%macro IDCT8_1D_FULL 1
+    mova         m7, [%1+112*2]
+    mova         m6, [%1+ 96*2]
+    mova         m5, [%1+ 80*2]
+    mova         m3, [%1+ 48*2]
+    mova         m2, [%1+ 32*2]
+    mova         m1, [%1+ 16*2]
+    IDCT8_1D   [%1], [%1+ 64*2]
+%endmacro
+
+; %1=int16_t *block, %2=int16_t *dstblock
+%macro IDCT8_ADD_SSE_START 2
+    IDCT8_1D_FULL %1
+    mova         [%1], m7
+    TRANSPOSE4x4D   0,1,2,3,7
+    mova           m7, [%1]
+    mova    [%2     ], m0
+    mova    [%2+16*2], m1
+    mova    [%2+32*2], m2
+    mova    [%2+48*2], m3
+    TRANSPOSE4x4D   4,5,6,7,3
+    mova    [%2+ 8*2], m4
+    mova    [%2+24*2], m5
+    mova    [%2+40*2], m6
+    mova    [%2+56*2], m7
+%endmacro
+
+; %1=uint8_t *dst, %2=int16_t *block, %3=int stride
+%macro IDCT8_ADD_SSE_END 3
+    IDCT8_1D_FULL %2
+    mova    [%2     ], m5
+    mova    [%2+16*2], m6
+    mova    [%2+32*2], m7
+
+    pxor         m7, m7
+    STORE_DIFFx2 m0, m1, m5, m7, %1, %3
+    lea          %1, [%1+%3*2]
+    STORE_DIFFx2 m2, m3, m5, m7, %1, %3
+    mova         m0, [%2     ]
+    mova         m1, [%2+16*2]
+    mova         m2, [%2+32*2]
+    lea          %1, [%1+%3*2]
+    STORE_DIFFx2 m4, m0, m5, m7, %1, %3
+    lea          %1, [%1+%3*2]
+    STORE_DIFFx2 m1, m2, m5, m7, %1, %3
+%endmacro
+
+%macro IDCT8_ADD 1
+cglobal h264_idct8_add_10_%1, 3,4,8
+    %assign pad 256+16-gprsize-(stack_offset&15)
+    SUB         rsp, pad
+
+    add   dword [r1], 32
+    IDCT8_ADD_SSE_START r1   , rsp
+    IDCT8_ADD_SSE_START r1+16, rsp+128
+    lea          r3, [r0+8]
+    IDCT8_ADD_SSE_END   r0  , rsp,    r2
+    IDCT8_ADD_SSE_END   r3  , rsp+16, r2
+
+    ADD         rsp, pad
+    RET
+%endmacro
+
+INIT_XMM
+IDCT8_ADD sse2
+%ifdef HAVE_AVX
+INIT_AVX
+IDCT8_ADD avx
+%endif
+
+;-----------------------------------------------------------------------------
+; h264_idct8_add4(pixel **dst, const int *block_offset, dctcoef *block, int 
stride, const uint8_t nnzc[6*8])
+;-----------------------------------------------------------------------------
+%macro IDCT8_ADD4 1
+cglobal h264_idct8_add4_10_%1, 5,7,8
+    %assign pad 256+16-gprsize-(stack_offset&15)
+    SUB         rsp, pad
+    xor          r5, r5
+%ifdef PIC
+    lea         r11, [scan8_mem]
+%endif
+.nextblock
+    movzx        r6, byte [scan8+r5]
+    movzx        r6, byte [r4+r6]
+    test         r6, r6
+    jz .skipblock
+    mov         r6d, dword [r1+r5*4]
+    lea          r6, [r0+r6]
+    add  dword [r2], 32
+    IDCT8_ADD_SSE_START r2   , rsp
+    IDCT8_ADD_SSE_START r2+16, rsp+128
+    IDCT8_ADD_SSE_END   r6   , rsp,    r3
+    mov         r6d, dword [r1+r5*4]
+    lea          r6, [r0+r6+8]
+    IDCT8_ADD_SSE_END   r6  , rsp+16,  r3
+.skipblock
+    add          r5, 4
+    add          r2, 256
+    cmp          r5, 16
+    jl .nextblock
+    ADD         rsp, pad
+    RET
+%endmacro ; IDCT8_ADD4
+
+INIT_XMM
+IDCT8_ADD4 sse2
+%ifdef HAVE_AVX
+INIT_AVX
+IDCT8_ADD4 avx
+%endif
diff --git a/libavcodec/x86/h264dsp_mmx.c b/libavcodec/x86/h264dsp_mmx.c
index 1c07d14..d60fbd5 100644
--- a/libavcodec/x86/h264dsp_mmx.c
+++ b/libavcodec/x86/h264dsp_mmx.c
@@ -27,6 +27,43 @@ DECLARE_ALIGNED(8, static const uint64_t, ff_pb_3_1  ) = 
0x0103010301030103ULL;
 
 /***********************************/
 /* IDCT */
+#define IDCT_ADD_FUNC(NUM, DEPTH, OPT) \
+void ff_h264_idct ## NUM ## _add_ ## DEPTH ## _ ## OPT (uint8_t *dst, int16_t 
*block, int stride);
+
+IDCT_ADD_FUNC(, 10, sse2)
+IDCT_ADD_FUNC(_dc, 10, mmx2)
+IDCT_ADD_FUNC(8_dc, 10, sse2)
+IDCT_ADD_FUNC(8, 10, sse2)
+#if HAVE_AVX
+IDCT_ADD_FUNC(, 10, avx)
+IDCT_ADD_FUNC(8_dc, 10, avx)
+IDCT_ADD_FUNC(8, 10, avx)
+#endif
+
+
+#define IDCT_ADD_REP_FUNC(NUM, REP, DEPTH, OPT) \
+void ff_h264_idct ## NUM ## _add ## REP ## _ ## DEPTH ## _ ## OPT \
+                              (uint8_t *dst, const int *block_offset, \
+                              DCTELEM *block, int stride, const uint8_t 
nnzc[6*8]);
+
+IDCT_ADD_REP_FUNC(8, 4, 10, sse2)
+IDCT_ADD_REP_FUNC(8, 4, 10, avx)
+IDCT_ADD_REP_FUNC(, 16, 10, sse2)
+IDCT_ADD_REP_FUNC(, 16intra, 10, sse2)
+#if HAVE_AVX
+IDCT_ADD_REP_FUNC(, 16, 10, avx)
+IDCT_ADD_REP_FUNC(, 16intra, 10, avx)
+#endif
+
+
+#define IDCT_ADD_REP_FUNC2(NUM, REP, DEPTH, OPT) \
+void ff_h264_idct ## NUM ## _add ## REP ## _ ## DEPTH ## _ ## OPT \
+                              (uint8_t **dst, const int *block_offset, \
+                              DCTELEM *block, int stride, const uint8_t 
nnzc[6*8]);
+IDCT_ADD_REP_FUNC2(, 8, 10, sse2)
+#if HAVE_AVX
+IDCT_ADD_REP_FUNC2(, 8, 10, avx)
+#endif
 
 void ff_h264_idct_add_mmx     (uint8_t *dst, int16_t *block, int stride);
 void ff_h264_idct8_add_mmx    (uint8_t *dst, int16_t *block, int stride);
@@ -418,7 +455,17 @@ void ff_h264dsp_init_x86(H264DSPContext *c, const int 
bit_depth)
             c->h264_v_loop_filter_luma_intra = 
ff_deblock_v_luma_intra_10_mmxext;
             c->h264_h_loop_filter_luma_intra = 
ff_deblock_h_luma_intra_10_mmxext;
 #endif
+            c->h264_idct_dc_add= ff_h264_idct_dc_add_10_mmx2;
             if (mm_flags&AV_CPU_FLAG_SSE2) {
+                c->h264_idct_add       = ff_h264_idct_add_10_sse2;
+                c->h264_idct8_dc_add   = ff_h264_idct8_dc_add_10_sse2;
+                c->h264_idct8_add      = ff_h264_idct8_add_10_sse2;
+
+                c->h264_idct_add16     = ff_h264_idct_add16_10_sse2;
+                c->h264_idct8_add4     = ff_h264_idct8_add4_10_sse2;
+                c->h264_idct_add8      = ff_h264_idct_add8_10_sse2;
+                c->h264_idct_add16intra= ff_h264_idct_add16intra_10_sse2;
+
                 c->h264_v_loop_filter_chroma= ff_deblock_v_chroma_10_sse2;
                 c->h264_v_loop_filter_chroma_intra= 
ff_deblock_v_chroma_intra_10_sse2;
 #if HAVE_ALIGNED_STACK
@@ -428,7 +475,18 @@ void ff_h264dsp_init_x86(H264DSPContext *c, const int 
bit_depth)
                 c->h264_h_loop_filter_luma_intra = 
ff_deblock_h_luma_intra_10_sse2;
 #endif
             }
+#if HAVE_AVX
             if (mm_flags&AV_CPU_FLAG_AVX) {
+                c->h264_idct_dc_add    =
+                c->h264_idct_add       = ff_h264_idct_add_10_avx;
+                c->h264_idct8_add      = ff_h264_idct8_add_10_avx;
+                c->h264_idct8_dc_add   = ff_h264_idct8_dc_add_10_avx;
+
+                c->h264_idct_add16     = ff_h264_idct_add16_10_avx;
+                c->h264_idct8_add4     = ff_h264_idct8_add4_10_avx;
+                c->h264_idct_add8      = ff_h264_idct_add8_10_avx;
+                c->h264_idct_add16intra= ff_h264_idct_add16intra_10_avx;
+
                 c->h264_v_loop_filter_chroma= ff_deblock_v_chroma_10_avx;
                 c->h264_v_loop_filter_chroma_intra= 
ff_deblock_v_chroma_intra_10_avx;
 #if HAVE_ALIGNED_STACK
@@ -438,6 +496,7 @@ void ff_h264dsp_init_x86(H264DSPContext *c, const int 
bit_depth)
                 c->h264_h_loop_filter_luma_intra = 
ff_deblock_h_luma_intra_10_avx;
 #endif
             }
+#endif /* HAVE_AVX */
         }
     }
 #endif
-- 
1.7.5.1

_______________________________________________
libav-devel mailing list
libav-devel@libav.org
https://lists.libav.org/mailman/listinfo/libav-devel

Reply via email to