1 files changed, 35 insertions, 0 deletions
diff --git a/libavcodec/x86/opusdsp_init.c b/libavcodec/x86/opusdsp_init.c
new file mode 100644
index 0000000000..6834c4e6a4
--- /dev/null
+++ b/libavcodec/x86/opusdsp_init.c
@@ -0,0 +1,35 @@
+/*
+ * 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 "config.h"
+
+#include "libavutil/x86/cpu.h"
+#include "libavcodec/opusdsp.h"
+
+void ff_opus_postfilter_fma3(float *data, int period, float *gains, int len);
+float ff_opus_deemphasis_fma3(float *out, float *in, float coeff, int len);
+
+av_cold void ff_opus_dsp_init_x86(OpusDSP *ctx)
+{
+    int cpu_flags = av_get_cpu_flags();
+
+    if (EXTERNAL_FMA3_FAST(cpu_flags)) {
+        ctx->postfilter = ff_opus_postfilter_fma3;
+        ctx->deemphasis = ff_opus_deemphasis_fma3;
+    }
+}