making act segmenter

1 files changed, 43 insertions, 0 deletions

diff --git a/ffmpeg/libavcodec/x86/vorbisdsp_init.c b/ffmpeg/libavcodec/x86/vorbisdsp_init.c
new file mode 100644
index 0000000..08a2c09
--- /dev/null
+++ b/ffmpeg/libavcodec/x86/vorbisdsp_init.c
@@ -0,0 +1,43 @@
+/*
+ * Copyright (C) 2006 Loren Merritt <lorenm@u.washington.edu>
+ *
+ * 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/attributes.h"
+#include "libavutil/cpu.h"
+#include "libavcodec/vorbisdsp.h"
+
+void ff_vorbis_inverse_coupling_3dnow(float *mag, float *ang,
+                                      intptr_t blocksize);
+void ff_vorbis_inverse_coupling_sse(float *mag, float *ang,
+                                    intptr_t blocksize);
+
+av_cold void ff_vorbisdsp_init_x86(VorbisDSPContext *dsp)
+{
+#if HAVE_YASM
+    int mm_flags = av_get_cpu_flags();
+
+#if ARCH_X86_32
+    if (mm_flags & AV_CPU_FLAG_3DNOW)
+        dsp->vorbis_inverse_coupling = ff_vorbis_inverse_coupling_3dnow;
+#endif /* ARCH_X86_32 */
+    if (mm_flags & AV_CPU_FLAG_SSE)
+        dsp->vorbis_inverse_coupling = ff_vorbis_inverse_coupling_sse;
+#endif /* HAVE_YASM */
+}