diff options
Diffstat (limited to 'libavcodec/x86/pixblockdsp_init.c')
-rw-r--r-- | libavcodec/x86/pixblockdsp_init.c | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/libavcodec/x86/pixblockdsp_init.c b/libavcodec/x86/pixblockdsp_init.c new file mode 100644 index 0000000000..4c31b802ff --- /dev/null +++ b/libavcodec/x86/pixblockdsp_init.c @@ -0,0 +1,50 @@ +/* + * SIMD-optimized pixel operations + * + * 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/pixblockdsp.h" + +void ff_get_pixels_mmx(int16_t *block, const uint8_t *pixels, int line_size); +void ff_get_pixels_sse2(int16_t *block, const uint8_t *pixels, int line_size); +void ff_diff_pixels_mmx(int16_t *block, const uint8_t *s1, const uint8_t *s2, + int stride); +void ff_diff_pixels_sse2(int16_t *block, const uint8_t *s1, const uint8_t *s2, + int stride); + +av_cold void ff_pixblockdsp_init_x86(PixblockDSPContext *c, + AVCodecContext *avctx, + unsigned high_bit_depth) +{ + int cpu_flags = av_get_cpu_flags(); + + if (EXTERNAL_MMX(cpu_flags)) { + if (!high_bit_depth) + c->get_pixels = ff_get_pixels_mmx; + c->diff_pixels = ff_diff_pixels_mmx; + } + + if (EXTERNAL_SSE2(cpu_flags)) { + if (!high_bit_depth) + c->get_pixels = ff_get_pixels_sse2; + c->diff_pixels = ff_diff_pixels_sse2; + } +} |