1 files changed, 86 insertions, 0 deletions
diff --git a/libavcodec/tests/x86/dct.c b/libavcodec/tests/x86/dct.c
new file mode 100644
index 0000000000..2ddb55510e
--- /dev/null
+++ b/libavcodec/tests/x86/dct.c
@@ -0,0 +1,86 @@
+/*
+ * 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 "config.h"
+
+#include "libavcodec/x86/fdct.h"
+#include "libavcodec/x86/xvididct.h"
+#include "libavcodec/x86/simple_idct.h"
+
+static const struct algo fdct_tab_arch[] = {
+#if HAVE_MMX_INLINE
+    { "MMX",    ff_fdct_mmx,    FF_IDCT_PERM_NONE, AV_CPU_FLAG_MMX },
+#endif
+#if HAVE_MMXEXT_INLINE
+    { "MMXEXT", ff_fdct_mmxext, FF_IDCT_PERM_NONE, AV_CPU_FLAG_MMXEXT },
+#endif
+#if HAVE_SSE2_INLINE
+    { "SSE2",   ff_fdct_sse2,   FF_IDCT_PERM_NONE, AV_CPU_FLAG_SSE2 },
+#endif
+    { 0 }
+};
+
+static const struct algo idct_tab_arch[] = {
+#if HAVE_MMX_INLINE
+    { "SIMPLE-MMX",  ff_simple_idct_mmx,  FF_IDCT_PERM_SIMPLE, AV_CPU_FLAG_MMX },
+#endif
+#if CONFIG_MPEG4_DECODER
+#if HAVE_MMX_INLINE
+    { "XVID-MMX",    ff_xvid_idct_mmx,    FF_IDCT_PERM_NONE,   AV_CPU_FLAG_MMX,    1 },
+#endif
+#if HAVE_MMXEXT_INLINE
+    { "XVID-MMXEXT", ff_xvid_idct_mmxext, FF_IDCT_PERM_NONE,   AV_CPU_FLAG_MMXEXT, 1 },
+#endif
+#if HAVE_SSE2_INLINE
+    { "XVID-SSE2",   ff_xvid_idct_sse2,   FF_IDCT_PERM_SSE2,   AV_CPU_FLAG_SSE2,   1 },
+#endif
+#endif /* CONFIG_MPEG4_DECODER */
+    { 0 }
+};
+
+static short idct_simple_mmx_perm[64] = {
+    0x00, 0x08, 0x04, 0x09, 0x01, 0x0C, 0x05, 0x0D,
+    0x10, 0x18, 0x14, 0x19, 0x11, 0x1C, 0x15, 0x1D,
+    0x20, 0x28, 0x24, 0x29, 0x21, 0x2C, 0x25, 0x2D,
+    0x12, 0x1A, 0x16, 0x1B, 0x13, 0x1E, 0x17, 0x1F,
+    0x02, 0x0A, 0x06, 0x0B, 0x03, 0x0E, 0x07, 0x0F,
+    0x30, 0x38, 0x34, 0x39, 0x31, 0x3C, 0x35, 0x3D,
+    0x22, 0x2A, 0x26, 0x2B, 0x23, 0x2E, 0x27, 0x2F,
+    0x32, 0x3A, 0x36, 0x3B, 0x33, 0x3E, 0x37, 0x3F,
+};
+
+static const uint8_t idct_sse2_row_perm[8] = { 0, 4, 1, 5, 2, 6, 3, 7 };
+
+static int permute_x86(int16_t dst[64], const int16_t src[64],
+                       enum idct_permutation_type perm_type)
+{
+    int i;
+
+    switch (perm_type) {
+    case FF_IDCT_PERM_SIMPLE:
+        for (i = 0; i < 64; i++)
+            dst[idct_simple_mmx_perm[i]] = src[i];
+        return 1;
+    case FF_IDCT_PERM_SSE2:
+        for (i = 0; i < 64; i++)
+            dst[(i & 0x38) | idct_sse2_row_perm[i & 7]] = src[i];
+        return 1;
+    }
+
+    return 0;
+}