diff options
author | Diego Biurrun <diego@biurrun.de> | 2014-02-03 10:09:45 -0800 |
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committer | Diego Biurrun <diego@biurrun.de> | 2014-07-07 12:28:45 -0700 |
commit | a9aee08d900f686e966c64afec5d88a7d9d130a3 (patch) | |
tree | 92335216bc97235507f805401693ed534a8f5fc9 /libavcodec/x86/fdctdsp_init.c | |
parent | 1e9a93bfca2c2f43a07e01f2ef9fd5cbafe6c22d (diff) |
dsputil: Split off FDCT bits into their own context
Diffstat (limited to 'libavcodec/x86/fdctdsp_init.c')
-rw-r--r-- | libavcodec/x86/fdctdsp_init.c | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/libavcodec/x86/fdctdsp_init.c b/libavcodec/x86/fdctdsp_init.c new file mode 100644 index 0000000000..93fdd6567d --- /dev/null +++ b/libavcodec/x86/fdctdsp_init.c @@ -0,0 +1,44 @@ +/* + * 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/attributes.h" +#include "libavutil/cpu.h" +#include "libavutil/x86/cpu.h" +#include "libavcodec/avcodec.h" +#include "libavcodec/dct.h" +#include "libavcodec/fdctdsp.h" + +av_cold void ff_fdctdsp_init_x86(FDCTDSPContext *c, AVCodecContext *avctx, + unsigned high_bit_depth) +{ + int cpu_flags = av_get_cpu_flags(); + const int dct_algo = avctx->dct_algo; + + if (!high_bit_depth) { + if ((dct_algo == FF_DCT_AUTO || dct_algo == FF_DCT_MMX)) { + if (INLINE_MMX(cpu_flags)) + c->fdct = ff_fdct_mmx; + + if (INLINE_MMXEXT(cpu_flags)) + c->fdct = ff_fdct_mmxext; + + if (INLINE_SSE2(cpu_flags)) + c->fdct = ff_fdct_sse2; + } + } +} |