diff options
author | Diego Biurrun <diego@biurrun.de> | 2014-02-18 17:15:55 +0400 |
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committer | Diego Biurrun <diego@biurrun.de> | 2014-07-21 12:10:11 +0400 |
commit | 81b9bf319226fe03436c80aaa8a2c91767cab7ce (patch) | |
tree | c61202a4e6870e90f43b1742864b1be2ebd6b36a /libavcodec/x86 | |
parent | a9f3f5fadb57bae3f3ff0be69e56b2c6014f2513 (diff) |
dct-test: Move arch-specific bits into arch-specific subdirectories
Diffstat (limited to 'libavcodec/x86')
-rw-r--r-- | libavcodec/x86/dct-test.c | 82 |
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; +} |