x86: convert DNxHDenc inline asm to yasm

Signed-off-by: Timothy Gu <timothygu99@gmail.com>
Reviewed-by: "Ronald S. Bultje" <rsbultje@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

1 files changed, 39 insertions, 0 deletions

diff --git a/libavcodec/x86/dnxhdenc_init.c b/libavcodec/x86/dnxhdenc_init.c
new file mode 100644
index 0000000000..3b02264188
--- /dev/null
+++ b/libavcodec/x86/dnxhdenc_init.c
@@ -0,0 +1,39 @@
+/*
+ * 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 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/x86/cpu.h"
+#include "libavcodec/dnxhdenc.h"
+
+void ff_get_pixels_8x4_sym_sse2(int16_t *block, const uint8_t *pixels,
+                                ptrdiff_t line_size);
+
+av_cold void ff_dnxhdenc_init_x86(DNXHDEncContext *ctx)
+{
+#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 */
+}