diff options
author | Michael Niedermayer <michaelni@gmx.at> | 2014-02-08 04:11:50 +0400 |
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committer | Michael Niedermayer <michaelni@gmx.at> | 2014-02-08 04:20:33 +0400 |
commit | 82ae8a44e631b25ba3b2c1b7333a4fe5cf18dc07 (patch) | |
tree | 111e59b7d850a185cb0b2f0ae05666abe97e58f9 /libavcodec/x86/dcadsp_init.c | |
parent | 7ffe78a445f426aeeec4b02895c3b72dd834867a (diff) | |
parent | 5b59a9fc6152169599561f04b4f66370edda5c9c (diff) |
Merge commit '5b59a9fc6152169599561f04b4f66370edda5c9c'
* commit '5b59a9fc6152169599561f04b4f66370edda5c9c':
x86: dcadsp: implement int8x8_fmul_int32
Merged-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavcodec/x86/dcadsp_init.c')
-rw-r--r-- | libavcodec/x86/dcadsp_init.c | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/libavcodec/x86/dcadsp_init.c b/libavcodec/x86/dcadsp_init.c new file mode 100644 index 0000000000..adb454fa02 --- /dev/null +++ b/libavcodec/x86/dcadsp_init.c @@ -0,0 +1,47 @@ +/* + * Copyright (c) 2012-2014 Christophe Gisquet <christophe.gisquet@gmail.com> + * + * This file is part of FFmpeg. + * + * FFmpeg 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. + * + * FFmpeg 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 FFmpeg; 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/dcadsp.h" + +void ff_int8x8_fmul_int32_sse(float *dst, const int8_t *src, int scale); +void ff_int8x8_fmul_int32_sse2(float *dst, const int8_t *src, int scale); +void ff_int8x8_fmul_int32_sse4(float *dst, const int8_t *src, int scale); + +av_cold void ff_dcadsp_init_x86(DCADSPContext *s) +{ + int cpu_flags = av_get_cpu_flags(); + + if (EXTERNAL_SSE(cpu_flags)) { +#if ARCH_X86_32 + s->int8x8_fmul_int32 = ff_int8x8_fmul_int32_sse; +#endif + } + + if (EXTERNAL_SSE2(cpu_flags)) { + s->int8x8_fmul_int32 = ff_int8x8_fmul_int32_sse2; + } + + if (EXTERNAL_SSE4(cpu_flags)) { + s->int8x8_fmul_int32 = ff_int8x8_fmul_int32_sse4; + } +} |