Merge commit '5b59a9fc6152169599561f04b4f66370edda5c9c'

* commit '5b59a9fc6152169599561f04b4f66370edda5c9c':
  x86: dcadsp: implement int8x8_fmul_int32

Merged-by: Michael Niedermayer <michaelni@gmx.at>

1 files changed, 47 insertions, 0 deletions

diff --git a/libavcodec/x86/dcadsp_init.c b/libavcodec/x86/dcadsp_init.c
new file mode 100644
index 0000000000..adb454fa02
--- /dev/null
+++ b/libavcodec/x86/dcadsp_init.c
@@ -0,0 +1,47 @@
+/*
+ * Copyright (c) 2012-2014 Christophe Gisquet <christophe.gisquet@gmail.com>
+ *
+ * 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/x86/cpu.h"
+#include "libavcodec/dcadsp.h"
+
+void ff_int8x8_fmul_int32_sse(float *dst, const int8_t *src, int scale);
+void ff_int8x8_fmul_int32_sse2(float *dst, const int8_t *src, int scale);
+void ff_int8x8_fmul_int32_sse4(float *dst, const int8_t *src, int scale);
+
+av_cold void ff_dcadsp_init_x86(DCADSPContext *s)
+{
+    int cpu_flags = av_get_cpu_flags();
+
+    if (EXTERNAL_SSE(cpu_flags)) {
+#if ARCH_X86_32
+        s->int8x8_fmul_int32 = ff_int8x8_fmul_int32_sse;
+#endif
+    }
+
+    if (EXTERNAL_SSE2(cpu_flags)) {
+        s->int8x8_fmul_int32 = ff_int8x8_fmul_int32_sse2;
+    }
+
+    if (EXTERNAL_SSE4(cpu_flags)) {
+        s->int8x8_fmul_int32 = ff_int8x8_fmul_int32_sse4;
+    }
+}