FFmpeg: libavfilter/x86/vf_fspp_init.c Source File

vf_fspp_init.c

1 /*

2  * Copyright (c) 2003 Michael Niedermayer <michaelni@gmx.at>

3  * Copyright (C) 2005 Nikolaj Poroshin <porosh3@psu.ru>

4  *

5  * This file is part of FFmpeg.

6  *

7  * FFmpeg is free software; you can redistribute it and/or modify

8  * it under the terms of the GNU General Public License as published by

9  * the Free Software Foundation; either version 2 of the License, or

10  * (at your option) any later version.

11  *

12  * FFmpeg is distributed in the hope that it will be useful,

13  * but WITHOUT ANY WARRANTY; without even the implied warranty of

14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

15  * GNU General Public License for more details.

16  *

17  * You should have received a copy of the GNU General Public License along

18  * with FFmpeg; if not, write to the Free Software Foundation, Inc.,

19  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.

20  */

21 

22 #include "libavutil/attributes.h"

23 #include "libavutil/x86/cpu.h"

24 #include "libavfilter/vf_fspp.h"

25 

26 void ff_store_slice_mmx(uint8_t *dst, int16_t *src,

27  ptrdiff_t dst_stride, ptrdiff_t src_stride,

28  ptrdiff_t width, ptrdiff_t height, ptrdiff_t log2_scale);

29 void ff_store_slice2_mmx(uint8_t *dst, int16_t *src,

30  ptrdiff_t dst_stride, ptrdiff_t src_stride,

31  ptrdiff_t width, ptrdiff_t height, ptrdiff_t log2_scale);

32 void ff_mul_thrmat_mmx(int16_t *thr_adr_noq, int16_t *thr_adr, int q);

33 void ff_column_fidct_mmx(int16_t *thr_adr, int16_t *data, int16_t *output, int cnt);

34 void ff_row_idct_mmx(int16_t *workspace, int16_t *output_adr, ptrdiff_t output_stride, int cnt);

35 void ff_row_fdct_mmx(int16_t *data, const uint8_t *pixels, ptrdiff_t line_size, int cnt);

36 

37  av_cold void ff_fspp_init_x86(FSPPContext *s)

38 {

39  int cpu_flags = av_get_cpu_flags();

40 

41  if (EXTERNAL_MMX(cpu_flags)) {

42  s->store_slice = ff_store_slice_mmx;

43  s->store_slice2 = ff_store_slice2_mmx;

44  s->mul_thrmat = ff_mul_thrmat_mmx;

45  s->column_fidct = ff_column_fidct_mmx;

46  s->row_idct = ff_row_idct_mmx;

47  s->row_fdct = ff_row_fdct_mmx;

48  }

49 }