diff options
Diffstat (limited to 'libavcodec/x86/jpeg2000dsp_init.c')
-rw-r--r-- | libavcodec/x86/jpeg2000dsp_init.c | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/libavcodec/x86/jpeg2000dsp_init.c b/libavcodec/x86/jpeg2000dsp_init.c new file mode 100644 index 0000000..7310a1d --- /dev/null +++ b/libavcodec/x86/jpeg2000dsp_init.c @@ -0,0 +1,60 @@ +/* + * SIMD optimized JPEG 2000 DSP functions + * Copyright (c) 2015 James Almer + * + * 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/jpeg2000dsp.h" + +void ff_ict_float_sse(void *src0, void *src1, void *src2, int csize); +void ff_ict_float_avx(void *src0, void *src1, void *src2, int csize); +void ff_ict_float_fma3(void *src0, void *src1, void *src2, int csize); +void ff_ict_float_fma4(void *src0, void *src1, void *src2, int csize); +void ff_rct_int_sse2 (void *src0, void *src1, void *src2, int csize); +void ff_rct_int_avx2 (void *src0, void *src1, void *src2, int csize); + +av_cold void ff_jpeg2000dsp_init_x86(Jpeg2000DSPContext *c) +{ + int cpu_flags = av_get_cpu_flags(); + if (EXTERNAL_SSE(cpu_flags)) { + c->mct_decode[FF_DWT97] = ff_ict_float_sse; + } + + if (EXTERNAL_SSE2(cpu_flags)) { + c->mct_decode[FF_DWT53] = ff_rct_int_sse2; + } + + if (EXTERNAL_AVX_FAST(cpu_flags)) { + c->mct_decode[FF_DWT97] = ff_ict_float_avx; + } + + if (EXTERNAL_FMA4(cpu_flags)) { + c->mct_decode[FF_DWT97] = ff_ict_float_fma4; + } + + if (EXTERNAL_FMA3_FAST(cpu_flags)) { + c->mct_decode[FF_DWT97] = ff_ict_float_fma3; + } + + if (EXTERNAL_AVX2_FAST(cpu_flags)) { + c->mct_decode[FF_DWT53] = ff_rct_int_avx2; + } +} |