libvpx: Add VP9 decoder.

source/libvpx/vp9/common/x86/vp9_postproc_x86.h

+/*
+ *  Copyright (c) 2010 The WebM project authors. All Rights Reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+
+#ifndef VP9_COMMON_X86_VP9_POSTPROC_X86_H_
+#define VP9_COMMON_X86_VP9_POSTPROC_X86_H_
+
+/* Note:
+ *
+ * This platform is commonly built for runtime CPU detection. If you modify
+ * any of the function mappings present in this file, be sure to also update
+ * them in the function pointer initialization code
+ */
+
+#if HAVE_MMX
+extern prototype_postproc_inplace(vp9_mbpost_proc_down_mmx);
+extern prototype_postproc(vp9_post_proc_down_and_across_mmx);
+extern prototype_postproc_addnoise(vp9_plane_add_noise_mmx);
+
+#if !CONFIG_RUNTIME_CPU_DETECT
+#undef  vp9_postproc_down
+#define vp9_postproc_down vp9_mbpost_proc_down_mmx
+
+#undef  vp9_postproc_downacross
+#define vp9_postproc_downacross vp9_post_proc_down_and_across_mmx
+
+#undef  vp9_postproc_addnoise
+#define vp9_postproc_addnoise vp9_plane_add_noise_mmx
+
+#endif
+#endif
+
+
+#if HAVE_SSE2
+extern prototype_postproc_inplace(vp9_mbpost_proc_down_xmm);
+extern prototype_postproc_inplace(vp9_mbpost_proc_across_ip_xmm);
+extern prototype_postproc(vp9_post_proc_down_and_across_xmm);
+extern prototype_postproc_addnoise(vp9_plane_add_noise_wmt);
+
+#if !CONFIG_RUNTIME_CPU_DETECT
+#undef  vp9_postproc_down
+#define vp9_postproc_down vp9_mbpost_proc_down_xmm
+
+#undef  vp9_postproc_across
+#define vp9_postproc_across vp9_mbpost_proc_across_ip_xmm
+
+#undef  vp9_postproc_downacross
+#define vp9_postproc_downacross vp9_post_proc_down_and_across_xmm
+
+#undef  vp9_postproc_addnoise
+#define vp9_postproc_addnoise vp9_plane_add_noise_wmt
+
+
+#endif
+#endif
+
+#endif