summaryrefslogtreecommitdiff
path: root/libavcodec/x86/rv34dsp_init.c
diff options
context:
space:
mode:
Diffstat (limited to 'libavcodec/x86/rv34dsp_init.c')
-rw-r--r--libavcodec/x86/rv34dsp_init.c40
1 files changed, 40 insertions, 0 deletions
diff --git a/libavcodec/x86/rv34dsp_init.c b/libavcodec/x86/rv34dsp_init.c
new file mode 100644
index 0000000000..4317e9b23b
--- /dev/null
+++ b/libavcodec/x86/rv34dsp_init.c
@@ -0,0 +1,40 @@
+/*
+ * 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_cpu.h"
+#include "libavcodec/dsputil.h"
+#include "libavcodec/rv34dsp.h"
+
+void ff_rv34_idct_dequant4x4_dc_mmx2(DCTELEM *block);
+void ff_rv34_idct_dequant4x4_dc_noround_mmx2(DCTELEM *block);
+
+av_cold void ff_rv34dsp_init_x86(RV34DSPContext* c, DSPContext *dsp)
+{
+#if HAVE_YASM
+ int mm_flags = av_get_cpu_flags();
+
+ if (mm_flags & AV_CPU_FLAG_MMX2) {
+ c->rv34_inv_transform_dc_tab[0] = ff_rv34_idct_dequant4x4_dc_mmx2;
+ c->rv34_inv_transform_dc_tab[1] = ff_rv34_idct_dequant4x4_dc_noround_mmx2;
+ }
+#endif
+}