[SCM] libav/experimental: DNxHD: convert inline asm to yasm

siretart at users.alioth.debian.org siretart at users.alioth.debian.org
Sun Aug 10 16:02:46 UTC 2014


The following commit has been merged in the experimental branch:
commit 71c32ed5335add04cbe44896f4b3d748b9b1153c
Author: Timothy Gu <timothygu99 at gmail.com>
Date:   Fri Mar 28 02:37:51 2014 +0100

    DNxHD: convert inline asm to yasm

diff --git a/libavcodec/x86/Makefile b/libavcodec/x86/Makefile
index 910471a..8da5a91 100644
--- a/libavcodec/x86/Makefile
+++ b/libavcodec/x86/Makefile
@@ -26,7 +26,7 @@ OBJS-$(CONFIG_XMM_CLOBBER_TEST)        += x86/w64xmmtest.o
 OBJS-$(CONFIG_AAC_DECODER)             += x86/sbrdsp_init.o
 OBJS-$(CONFIG_CAVS_DECODER)            += x86/cavsdsp.o
 OBJS-$(CONFIG_DCA_DECODER)             += x86/dcadsp_init.o
-OBJS-$(CONFIG_DNXHD_ENCODER)           += x86/dnxhdenc.o
+OBJS-$(CONFIG_DNXHD_ENCODER)           += x86/dnxhdenc_init.o
 OBJS-$(CONFIG_MLP_DECODER)             += x86/mlpdsp.o
 OBJS-$(CONFIG_PNG_DECODER)             += x86/pngdsp_init.o
 OBJS-$(CONFIG_PRORES_DECODER)          += x86/proresdsp_init.o
@@ -56,6 +56,7 @@ YASM-OBJS                              += x86/deinterlace.o             \
 
 YASM-OBJS-$(CONFIG_AC3DSP)             += x86/ac3dsp.o
 YASM-OBJS-$(CONFIG_DCT)                += x86/dct32.o
+YASM-OBJS-$(CONFIG_DNXHD_ENCODER)      += x86/dnxhdenc.o
 YASM-OBJS-$(CONFIG_DSPUTIL)            += x86/dsputil.o                 \
                                           x86/fpel.o                    \
                                           x86/mpeg4qpel.o               \
diff --git a/libavcodec/x86/dnxhdenc.asm b/libavcodec/x86/dnxhdenc.asm
new file mode 100644
index 0000000..d39b07b
--- /dev/null
+++ b/libavcodec/x86/dnxhdenc.asm
@@ -0,0 +1,49 @@
+;************************************************************************
+;* VC3/DNxHD SIMD functions
+;* Copyright (c) 2007 Baptiste Coudurier <baptiste dot coudurier at smartjog dot com>
+;* Copyright (c) 2014 Tiancheng "Timothy" Gu <timothygu99 at 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
+;* 51, Inc., Foundation Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+;******************************************************************************
+
+%include "libavutil/x86/x86util.asm"
+
+section .text
+
+; void get_pixels_8x4_sym_sse2(int16_t *block, const uint8_t *pixels,
+;                              ptrdiff_t line_size)
+INIT_XMM sse2
+cglobal get_pixels_8x4_sym, 3,3,5, block, pixels, linesize
+    pxor      m4,       m4
+    movq      m0,       [pixelsq]
+    add       pixelsq,  linesizeq
+    movq      m1,       [pixelsq]
+    movq      m2,       [pixelsq+linesizeq]
+    movq      m3,       [pixelsq+linesizeq*2]
+    punpcklbw m0,       m4
+    punpcklbw m1,       m4
+    punpcklbw m2,       m4
+    punpcklbw m3,       m4
+    mova  [blockq    ], m0
+    mova  [blockq+16 ], m1
+    mova  [blockq+32 ], m2
+    mova  [blockq+48 ], m3
+    mova  [blockq+64 ], m3
+    mova  [blockq+80 ], m2
+    mova  [blockq+96 ], m1
+    mova  [blockq+112], m0
+    RET
diff --git a/libavcodec/x86/dnxhdenc.c b/libavcodec/x86/dnxhdenc.c
deleted file mode 100644
index 26b715c..0000000
--- a/libavcodec/x86/dnxhdenc.c
+++ /dev/null
@@ -1,67 +0,0 @@
-/*
- * VC3/DNxHD SIMD functions
- * Copyright (c) 2007 Baptiste Coudurier <baptiste dot coudurier at smartjog dot com>
- *
- * VC-3 encoder funded by the British Broadcasting Corporation
- *
- * 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 "libavutil/attributes.h"
-#include "libavutil/x86/asm.h"
-#include "libavutil/x86/cpu.h"
-#include "libavcodec/dnxhdenc.h"
-
-#if HAVE_SSE2_INLINE
-
-static void get_pixels_8x4_sym_sse2(int16_t *block, const uint8_t *pixels, ptrdiff_t line_size)
-{
-    __asm__ volatile(
-        "pxor %%xmm5,      %%xmm5       \n\t"
-        "movq (%0),        %%xmm0       \n\t"
-        "add  %2,          %0           \n\t"
-        "movq (%0),        %%xmm1       \n\t"
-        "movq (%0, %2),    %%xmm2       \n\t"
-        "movq (%0, %2,2),  %%xmm3       \n\t"
-        "punpcklbw %%xmm5, %%xmm0       \n\t"
-        "punpcklbw %%xmm5, %%xmm1       \n\t"
-        "punpcklbw %%xmm5, %%xmm2       \n\t"
-        "punpcklbw %%xmm5, %%xmm3       \n\t"
-        "movdqa %%xmm0,      (%1)       \n\t"
-        "movdqa %%xmm1,    16(%1)       \n\t"
-        "movdqa %%xmm2,    32(%1)       \n\t"
-        "movdqa %%xmm3,    48(%1)       \n\t"
-        "movdqa %%xmm3 ,   64(%1)       \n\t"
-        "movdqa %%xmm2 ,   80(%1)       \n\t"
-        "movdqa %%xmm1 ,   96(%1)       \n\t"
-        "movdqa %%xmm0,   112(%1)       \n\t"
-        : "+r" (pixels)
-        : "r" (block), "r" ((x86_reg)line_size)
-    );
-}
-
-#endif /* HAVE_SSE2_INLINE */
-
-av_cold void ff_dnxhdenc_init_x86(DNXHDEncContext *ctx)
-{
-#if HAVE_SSE2_INLINE
-    if (INLINE_SSE2(av_get_cpu_flags())) {
-        if (ctx->cid_table->bit_depth == 8)
-            ctx->get_pixels_8x4_sym = get_pixels_8x4_sym_sse2;
-    }
-#endif /* HAVE_SSE2_INLINE */
-}
diff --git a/libavcodec/x86/h263dsp_init.c b/libavcodec/x86/dnxhdenc_init.c
similarity index 58%
copy from libavcodec/x86/h263dsp_init.c
copy to libavcodec/x86/dnxhdenc_init.c
index d4fab98..0f8a1e4 100644
--- a/libavcodec/x86/h263dsp_init.c
+++ b/libavcodec/x86/dnxhdenc_init.c
@@ -1,5 +1,8 @@
 /*
- * Copyright (c) 2013 Diego Biurrun <diego at biurrun.de>
+ * VC3/DNxHD SIMD functions
+ * Copyright (c) 2007 Baptiste Coudurier <baptiste dot coudurier at smartjog dot com>
+ *
+ * VC-3 encoder funded by the British Broadcasting Corporation
  *
  * This file is part of Libav.
  *
@@ -18,22 +21,19 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
-#include <stdint.h>
-
 #include "libavutil/attributes.h"
-#include "libavutil/cpu.h"
 #include "libavutil/x86/cpu.h"
-#include "libavcodec/h263dsp.h"
+#include "libavcodec/dnxhdenc.h"
 
-void ff_h263_h_loop_filter_mmx(uint8_t *src, int stride, int qscale);
-void ff_h263_v_loop_filter_mmx(uint8_t *src, int stride, int qscale);
+void ff_get_pixels_8x4_sym_sse2(int16_t *block, const uint8_t *pixels,
+                                ptrdiff_t line_size);
 
-av_cold void ff_h263dsp_init_x86(H263DSPContext *c)
+av_cold void ff_dnxhdenc_init_x86(DNXHDEncContext *ctx)
 {
-    int cpu_flags = av_get_cpu_flags();
-
-    if (EXTERNAL_MMX(cpu_flags)) {
-        c->h263_h_loop_filter = ff_h263_h_loop_filter_mmx;
-        c->h263_v_loop_filter = ff_h263_v_loop_filter_mmx;
+#if HAVE_SSE2_EXTERNAL
+    if (EXTERNAL_SSE2(av_get_cpu_flags())) {
+        if (ctx->cid_table->bit_depth == 8)
+            ctx->get_pixels_8x4_sym = ff_get_pixels_8x4_sym_sse2;
     }
+#endif /* HAVE_SSE2_EXTERNAL */
 }

-- 
Libav/FFmpeg packaging



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