libavcodec/x86/v210-init.c

   1 /*
   2  * This file is part of FFmpeg.
   3  *
   4  * FFmpeg is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2.1 of the License, or (at your option) any later version.
   8  *
   9  * FFmpeg is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with FFmpeg; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  17  */
  18
  19 #include "libavutil/attributes.h"
  20 #include "libavutil/x86/cpu.h"
  21 #include "libavcodec/v210dec.h"
  22
  23 extern void ff_v210_planar_unpack_unaligned_ssse3(const uint32_t *src, uint16_t *y, uint16_t *u, uint16_t *v, int width);
  24 extern void ff_v210_planar_unpack_unaligned_avx(const uint32_t *src, uint16_t *y, uint16_t *u, uint16_t *v, int width);
  25 extern void ff_v210_planar_unpack_unaligned_avx2(const uint32_t *src, uint16_t *y, uint16_t *u, uint16_t *v, int width);
  26
  27 extern void ff_v210_planar_unpack_aligned_ssse3(const uint32_t *src, uint16_t *y, uint16_t *u, uint16_t *v, int width);
  28 extern void ff_v210_planar_unpack_aligned_avx(const uint32_t *src, uint16_t *y, uint16_t *u, uint16_t *v, int width);
  29 extern void ff_v210_planar_unpack_aligned_avx2(const uint32_t *src, uint16_t *y, uint16_t *u, uint16_t *v, int width);
  30
  31 extern void ff_v210_planar_unpack_avx512icl(const uint32_t *src, uint16_t *y, uint16_t *u, uint16_t *v, int width);
  32
  33 av_cold void ff_v210_x86_init(V210DecContext *s)
  34 {
  35 #if HAVE_X86ASM
  36     int cpu_flags = av_get_cpu_flags();
  37
  38     if (s->aligned_input) {
  39         if (cpu_flags & AV_CPU_FLAG_SSSE3)
  40             s->unpack_frame = ff_v210_planar_unpack_aligned_ssse3;
  41
  42         if (HAVE_AVX_EXTERNAL && cpu_flags & AV_CPU_FLAG_AVX)
  43             s->unpack_frame = ff_v210_planar_unpack_aligned_avx;
  44
  45         if (HAVE_AVX2_EXTERNAL && cpu_flags & AV_CPU_FLAG_AVX2)
  46             s->unpack_frame = ff_v210_planar_unpack_aligned_avx2;
  47
  48         if (EXTERNAL_AVX512ICL(cpu_flags))
  49             s->unpack_frame = ff_v210_planar_unpack_avx512icl;
  50     }
  51     else {
  52         if (cpu_flags & AV_CPU_FLAG_SSSE3)
  53             s->unpack_frame = ff_v210_planar_unpack_unaligned_ssse3;
  54
  55         if (HAVE_AVX_EXTERNAL && cpu_flags & AV_CPU_FLAG_AVX)
  56             s->unpack_frame = ff_v210_planar_unpack_unaligned_avx;
  57
  58         if (HAVE_AVX2_EXTERNAL && cpu_flags & AV_CPU_FLAG_AVX2)
  59             s->unpack_frame = ff_v210_planar_unpack_unaligned_avx2;
  60
  61         if (EXTERNAL_AVX512ICL(cpu_flags))
  62             s->unpack_frame = ff_v210_planar_unpack_avx512icl;
  63     }
  64 #endif
  65 }