1 files changed, 45 insertions, 0 deletions
diff --git a/ffmpeg/libavcodec/x86/rv34dsp_init.c b/ffmpeg/libavcodec/x86/rv34dsp_init.c
new file mode 100644
index 0000000..a2dea74
--- /dev/null
+++ b/ffmpeg/libavcodec/x86/rv34dsp_init.c
@@ -0,0 +1,45 @@
+/*
+ * RV30/40 MMX/SSE2 optimizations
+ * Copyright (C) 2012 Christophe Gisquet <christophe.gisquet@gmail.com>
+ *
+ * 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 "libavutil/cpu.h"
+#include "libavutil/x86/asm.h"
+#include "libavutil/x86/cpu.h"
+#include "libavcodec/rv34dsp.h"
+
+void ff_rv34_idct_dc_mmxext(int16_t *block);
+void ff_rv34_idct_dc_noround_mmxext(int16_t *block);
+void ff_rv34_idct_dc_add_mmx(uint8_t *dst, ptrdiff_t stride, int dc);
+void ff_rv34_idct_dc_add_sse4(uint8_t *dst, ptrdiff_t stride, int dc);
+void ff_rv34_idct_add_mmxext(uint8_t *dst, ptrdiff_t stride, int16_t *block);
+
+av_cold void ff_rv34dsp_init_x86(RV34DSPContext* c)
+{
+    int mm_flags = av_get_cpu_flags();
+
+    if (EXTERNAL_MMX(mm_flags))
+        c->rv34_idct_dc_add = ff_rv34_idct_dc_add_mmx;
+    if (EXTERNAL_MMXEXT(mm_flags)) {
+        c->rv34_inv_transform_dc = ff_rv34_idct_dc_noround_mmxext;
+        c->rv34_idct_add         = ff_rv34_idct_add_mmxext;
+    }
+    if (EXTERNAL_SSE4(mm_flags))
+        c->rv34_idct_dc_add = ff_rv34_idct_dc_add_sse4;
+}