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authorDiego Biurrun <diego@biurrun.de>2014-02-18 14:15:55 +0100
committerDiego Biurrun <diego@biurrun.de>2014-07-21 01:10:11 -0700
commit81b9bf319226fe03436c80aaa8a2c91767cab7ce (patch)
treec61202a4e6870e90f43b1742864b1be2ebd6b36a /libavcodec/x86/dct-test.c
parenta9f3f5fadb57bae3f3ff0be69e56b2c6014f2513 (diff)
downloadffmpeg-81b9bf319226fe03436c80aaa8a2c91767cab7ce.tar.gz
dct-test: Move arch-specific bits into arch-specific subdirectories
Diffstat (limited to 'libavcodec/x86/dct-test.c')
-rw-r--r--libavcodec/x86/dct-test.c82
1 files changed, 82 insertions, 0 deletions
diff --git a/libavcodec/x86/dct-test.c b/libavcodec/x86/dct-test.c
new file mode 100644
index 0000000000..2df9170879
--- /dev/null
+++ b/libavcodec/x86/dct-test.c
@@ -0,0 +1,82 @@
+/*
+ * 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 "fdct.h"
+#include "idct_xvid.h"
+#include "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 },
+ { "XVID-MMX", ff_idct_xvid_mmx, FF_IDCT_PERM_NONE, AV_CPU_FLAG_MMX, 1 },
+#endif
+#if HAVE_MMXEXT_INLINE
+ { "XVID-MMXEXT", ff_idct_xvid_mmxext, FF_IDCT_PERM_NONE, AV_CPU_FLAG_MMXEXT, 1 },
+#endif
+#if HAVE_SSE2_INLINE
+ { "XVID-SSE2", ff_idct_xvid_sse2, FF_IDCT_PERM_SSE2, AV_CPU_FLAG_SSE2, 1 },
+#endif
+ { 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;
+}