diff options
Diffstat (limited to 'libavcodec/x86/huffyuvdsp_init.c')
-rw-r--r-- | libavcodec/x86/huffyuvdsp_init.c | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/libavcodec/x86/huffyuvdsp_init.c b/libavcodec/x86/huffyuvdsp_init.c new file mode 100644 index 0000000000..5b8497a5a9 --- /dev/null +++ b/libavcodec/x86/huffyuvdsp_init.c @@ -0,0 +1,63 @@ +/* + * 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 "config.h" +#include "libavutil/attributes.h" +#include "libavutil/cpu.h" +#include "libavutil/x86/asm.h" +#include "libavutil/x86/cpu.h" +#include "libavcodec/huffyuvdsp.h" + +void ff_add_bytes_mmx(uint8_t *dst, uint8_t *src, int w); + +void ff_add_hfyu_median_pred_cmov(uint8_t *dst, const uint8_t *top, + const uint8_t *diff, int w, + int *left, int *left_top); +void ff_add_hfyu_median_pred_mmxext(uint8_t *dst, const uint8_t *top, + const uint8_t *diff, int w, + int *left, int *left_top); + +int ff_add_hfyu_left_pred_ssse3(uint8_t *dst, const uint8_t *src, + int w, int left); +int ff_add_hfyu_left_pred_sse4(uint8_t *dst, const uint8_t *src, + int w, int left); + +av_cold void ff_huffyuvdsp_init_x86(HuffYUVDSPContext *c) +{ + int cpu_flags = av_get_cpu_flags(); + +#if HAVE_7REGS && HAVE_INLINE_ASM + if (cpu_flags & AV_CPU_FLAG_CMOV) + c->add_hfyu_median_pred = ff_add_hfyu_median_pred_cmov; +#endif + + if (INLINE_MMX(cpu_flags)) + c->add_bytes = ff_add_bytes_mmx; + + if (EXTERNAL_MMXEXT(cpu_flags)) { + /* slower than cmov version on AMD */ + if (!(cpu_flags & AV_CPU_FLAG_3DNOW)) + c->add_hfyu_median_pred = ff_add_hfyu_median_pred_mmxext; + } + + if (EXTERNAL_SSSE3(cpu_flags)) { + c->add_hfyu_left_pred = ff_add_hfyu_left_pred_ssse3; + if (cpu_flags & AV_CPU_FLAG_SSE4) // not really SSE4, just slow on Conroe + c->add_hfyu_left_pred = ff_add_hfyu_left_pred_sse4; + } +} |