--- /dev/null
+;*****************************************************************************
+;* 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
--- /dev/null
+/*
+ * 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;
+ }
+}