avfilter/vf_transpose: add x86 SIMD
authorPaul B Mahol <onemda@gmail.com>
Mon, 21 Oct 2019 14:43:26 +0000 (16:43 +0200)
committerPaul B Mahol <onemda@gmail.com>
Mon, 21 Oct 2019 18:37:51 +0000 (20:37 +0200)
libavfilter/transpose.h
libavfilter/vf_transpose.c
libavfilter/x86/Makefile
libavfilter/x86/vf_transpose.asm [new file with mode: 0644]
libavfilter/x86/vf_transpose_init.c [new file with mode: 0644]

index aa262b9..f73a428 100644 (file)
@@ -34,4 +34,14 @@ enum TransposeDir {
     TRANSPOSE_VFLIP,
 };
 
+typedef struct TransVtable {
+    void (*transpose_8x8)(uint8_t *src, ptrdiff_t src_linesize,
+                          uint8_t *dst, ptrdiff_t dst_linesize);
+    void (*transpose_block)(uint8_t *src, ptrdiff_t src_linesize,
+                            uint8_t *dst, ptrdiff_t dst_linesize,
+                            int w, int h);
+} TransVtable;
+
+void ff_transpose_init_x86(TransVtable *v, int pixstep);
+
 #endif
index dd54947..cb49c4a 100644 (file)
 #include "video.h"
 #include "transpose.h"
 
-typedef struct TransVtable {
-    void (*transpose_8x8)(uint8_t *src, ptrdiff_t src_linesize,
-                          uint8_t *dst, ptrdiff_t dst_linesize);
-    void (*transpose_block)(uint8_t *src, ptrdiff_t src_linesize,
-                            uint8_t *dst, ptrdiff_t dst_linesize,
-                            int w, int h);
-} TransVtable;
-
 typedef struct TransContext {
     const AVClass *class;
     int hsub, vsub;
@@ -243,6 +235,14 @@ static int config_props_output(AVFilterLink *outlink)
         }
     }
 
+    if (ARCH_X86) {
+        for (int i = 0; i < 4; i++) {
+            TransVtable *v = &s->vtables[i];
+
+            ff_transpose_init_x86(v, s->pixsteps[i]);
+        }
+    }
+
     av_log(ctx, AV_LOG_VERBOSE,
            "w:%d h:%d dir:%d -> w:%d h:%d rotation:%s vflip:%d\n",
            inlink->w, inlink->h, s->dir, outlink->w, outlink->h,
index 06f832e..8d97e46 100644 (file)
@@ -31,6 +31,7 @@ OBJS-$(CONFIG_STEREO3D_FILTER)               += x86/vf_stereo3d_init.o
 OBJS-$(CONFIG_TBLEND_FILTER)                 += x86/vf_blend_init.o
 OBJS-$(CONFIG_THRESHOLD_FILTER)              += x86/vf_threshold_init.o
 OBJS-$(CONFIG_TINTERLACE_FILTER)             += x86/vf_tinterlace_init.o
+OBJS-$(CONFIG_TRANSPOSE_FILTER)              += x86/vf_transpose_init.o
 OBJS-$(CONFIG_VOLUME_FILTER)                 += x86/af_volume_init.o
 OBJS-$(CONFIG_V360_FILTER)                   += x86/vf_v360_init.o
 OBJS-$(CONFIG_W3FDIF_FILTER)                 += x86/vf_w3fdif_init.o
@@ -69,6 +70,7 @@ X86ASM-OBJS-$(CONFIG_STEREO3D_FILTER)        += x86/vf_stereo3d.o
 X86ASM-OBJS-$(CONFIG_TBLEND_FILTER)          += x86/vf_blend.o
 X86ASM-OBJS-$(CONFIG_THRESHOLD_FILTER)       += x86/vf_threshold.o
 X86ASM-OBJS-$(CONFIG_TINTERLACE_FILTER)      += x86/vf_interlace.o
+X86ASM-OBJS-$(CONFIG_TRANSPOSE_FILTER)       += x86/vf_transpose.o
 X86ASM-OBJS-$(CONFIG_VOLUME_FILTER)          += x86/af_volume.o
 X86ASM-OBJS-$(CONFIG_V360_FILTER)            += x86/vf_v360.o
 X86ASM-OBJS-$(CONFIG_W3FDIF_FILTER)          += x86/vf_w3fdif.o
diff --git a/libavfilter/x86/vf_transpose.asm b/libavfilter/x86/vf_transpose.asm
new file mode 100644 (file)
index 0000000..f9f5853
--- /dev/null
@@ -0,0 +1,88 @@
+;*****************************************************************************
+;* x86-optimized functions for transpose filter
+;*
+;* Copyright (C) 2019 Paul B Mahol
+;*
+;* This file is part of FFmpeg.
+;*
+;* FFmpeg 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.
+;*
+;* FFmpeg 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 FFmpeg; if not, write to the Free Software
+;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+;******************************************************************************
+
+%include "libavutil/x86/x86util.asm"
+
+SECTION .text
+
+;------------------------------------------------------------------------------
+; void ff_transpose_8x8(uint8_t *src, ptrdiff_t src_linesize,
+;                       uint8_t *dst, ptrdiff_t dst_linesize)
+;------------------------------------------------------------------------------
+
+INIT_XMM sse2
+cglobal transpose_8x8_8, 4,5,8, src, src_linesize, dst, dst_linesize, linesize3
+    lea     linesize3q, [src_linesizeq * 3]
+    movq    m0, [srcq + src_linesizeq * 0]
+    movq    m1, [srcq + src_linesizeq * 1]
+    movq    m2, [srcq + src_linesizeq * 2]
+    movq    m3, [srcq + linesize3q]
+    lea   srcq, [srcq + src_linesizeq * 4]
+    movq    m4, [srcq + src_linesizeq * 0]
+    movq    m5, [srcq + src_linesizeq * 1]
+    movq    m6, [srcq + src_linesizeq * 2]
+    movq    m7, [srcq + linesize3q]
+
+    TRANSPOSE_8X8B 0, 1, 2, 3, 4, 5, 6, 7
+
+    lea                  linesize3q, [dst_linesizeq * 3]
+    movq [dstq + dst_linesizeq * 0], m0
+    movq [dstq + dst_linesizeq * 1], m1
+    movq [dstq + dst_linesizeq * 2], m2
+    movq [dstq + linesize3q], m3
+    lea                        dstq, [dstq + dst_linesizeq * 4]
+    movq [dstq + dst_linesizeq * 0], m4
+    movq [dstq + dst_linesizeq * 1], m5
+    movq [dstq + dst_linesizeq * 2], m6
+    movq [dstq + linesize3q], m7
+    RET
+
+%if ARCH_X86_64
+
+INIT_XMM sse2
+cglobal transpose_8x8_16, 4,5,9, src, src_linesize, dst, dst_linesize, linesize3
+    lea     linesize3q, [src_linesizeq * 3]
+    movu    m0, [srcq + src_linesizeq * 0]
+    movu    m1, [srcq + src_linesizeq * 1]
+    movu    m2, [srcq + src_linesizeq * 2]
+    movu    m3, [srcq + linesize3q]
+    lea   srcq, [srcq + src_linesizeq * 4]
+    movu    m4, [srcq + src_linesizeq * 0]
+    movu    m5, [srcq + src_linesizeq * 1]
+    movu    m6, [srcq + src_linesizeq * 2]
+    movu    m7, [srcq + linesize3q]
+
+    TRANSPOSE8x8W 0, 1, 2, 3, 4, 5, 6, 7, 8
+
+    lea                  linesize3q, [dst_linesizeq * 3]
+    movu [dstq + dst_linesizeq * 0], m0
+    movu [dstq + dst_linesizeq * 1], m1
+    movu [dstq + dst_linesizeq * 2], m2
+    movu [dstq + linesize3q], m3
+    lea                        dstq, [dstq + dst_linesizeq * 4]
+    movu [dstq + dst_linesizeq * 0], m4
+    movu [dstq + dst_linesizeq * 1], m5
+    movu [dstq + dst_linesizeq * 2], m6
+    movu [dstq + linesize3q], m7
+    RET
+
+%endif
diff --git a/libavfilter/x86/vf_transpose_init.c b/libavfilter/x86/vf_transpose_init.c
new file mode 100644 (file)
index 0000000..7990916
--- /dev/null
@@ -0,0 +1,49 @@
+/*
+ * Copyright (C) 2019 Paul B Mahol
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg 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.
+ *
+ * FFmpeg 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 FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include "libavutil/attributes.h"
+#include "libavutil/cpu.h"
+#include "libavutil/mem.h"
+#include "libavutil/x86/asm.h"
+#include "libavutil/x86/cpu.h"
+#include "libavfilter/transpose.h"
+
+void ff_transpose_8x8_8_sse2(uint8_t *src,
+                             ptrdiff_t src_linesize,
+                             uint8_t *dst,
+                             ptrdiff_t dst_linesize);
+
+void ff_transpose_8x8_16_sse2(uint8_t *src,
+                              ptrdiff_t src_linesize,
+                              uint8_t *dst,
+                              ptrdiff_t dst_linesize);
+
+av_cold void ff_transpose_init_x86(TransVtable *v, int pixstep)
+{
+    int cpu_flags = av_get_cpu_flags();
+
+    if (EXTERNAL_SSE4(cpu_flags) && pixstep == 1) {
+        v->transpose_8x8 = ff_transpose_8x8_8_sse2;
+    }
+
+    if (ARCH_X86_64 && EXTERNAL_SSE4(cpu_flags) && pixstep == 2) {
+        v->transpose_8x8 = ff_transpose_8x8_16_sse2;
+    }
+}