dsputil: Split audio operations off into a separate context

1 files changed, 66 insertions, 0 deletions

diff --git a/libavcodec/x86/audiodsp_init.c b/libavcodec/x86/audiodsp_init.c
new file mode 100644
index 0000000000..743f5a3699
--- /dev/null
+++ b/libavcodec/x86/audiodsp_init.c
@@ -0,0 +1,66 @@
+/*
+ * 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 <stdint.h>
+
+#include "config.h"
+#include "libavutil/attributes.h"
+#include "libavutil/cpu.h"
+#include "libavutil/x86/asm.h"
+#include "libavutil/x86/cpu.h"
+#include "libavcodec/audiodsp.h"
+#include "audiodsp.h"
+
+int32_t ff_scalarproduct_int16_mmxext(const int16_t *v1, const int16_t *v2,
+                                      int order);
+int32_t ff_scalarproduct_int16_sse2(const int16_t *v1, const int16_t *v2,
+                                    int order);
+
+void ff_vector_clip_int32_mmx(int32_t *dst, const int32_t *src,
+                              int32_t min, int32_t max, unsigned int len);
+void ff_vector_clip_int32_sse2(int32_t *dst, const int32_t *src,
+                               int32_t min, int32_t max, unsigned int len);
+void ff_vector_clip_int32_int_sse2(int32_t *dst, const int32_t *src,
+                                   int32_t min, int32_t max, unsigned int len);
+void ff_vector_clip_int32_sse4(int32_t *dst, const int32_t *src,
+                               int32_t min, int32_t max, unsigned int len);
+
+av_cold void ff_audiodsp_init_x86(AudioDSPContext *c)
+{
+    int cpu_flags = av_get_cpu_flags();
+
+    if (EXTERNAL_MMX(cpu_flags))
+        c->vector_clip_int32 = ff_vector_clip_int32_mmx;
+
+    if (EXTERNAL_MMXEXT(cpu_flags))
+        c->scalarproduct_int16 = ff_scalarproduct_int16_mmxext;
+
+    if (INLINE_SSE(cpu_flags))
+        c->vector_clipf = ff_vector_clipf_sse;
+
+    if (EXTERNAL_SSE2(cpu_flags)) {
+        c->scalarproduct_int16 = ff_scalarproduct_int16_sse2;
+        if (cpu_flags & AV_CPU_FLAG_ATOM)
+            c->vector_clip_int32 = ff_vector_clip_int32_int_sse2;
+        else
+            c->vector_clip_int32 = ff_vector_clip_int32_sse2;
+    }
+
+    if (EXTERNAL_SSE4(cpu_flags))
+        c->vector_clip_int32 = ff_vector_clip_int32_sse4;
+}