2 * This file is part of FFmpeg.
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.
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.
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
22 #include "libavutil/attributes.h"
23 #include "libavutil/internal.h"
24 #include "libavutil/cpu.h"
25 #include "libavutil/x86/cpu.h"
26 #include "libavcodec/blockdsp.h"
27 #include "libavcodec/version.h"
29 void ff_clear_block_mmx(int16_t *block
);
30 void ff_clear_block_sse(int16_t *block
);
31 void ff_clear_blocks_mmx(int16_t *blocks
);
32 void ff_clear_blocks_sse(int16_t *blocks
);
35 av_cold
void ff_blockdsp_init_x86(BlockDSPContext
*c
, unsigned high_bit_depth
,
36 AVCodecContext
*avctx
)
38 av_cold
void ff_blockdsp_init_x86(BlockDSPContext
*c
, unsigned high_bit_depth
)
39 #endif /* FF_API_XVMC */
42 int cpu_flags
= av_get_cpu_flags();
44 if (!high_bit_depth
) {
45 if (EXTERNAL_MMX(cpu_flags
)) {
46 c
->clear_block
= ff_clear_block_mmx
;
47 c
->clear_blocks
= ff_clear_blocks_mmx
;
50 /* XvMCCreateBlocks() may not allocate 16-byte aligned blocks */
51 if (CONFIG_XVMC
&& avctx
->hwaccel
&& avctx
->hwaccel
->decode_mb
)
54 if (EXTERNAL_SSE(cpu_flags
)) {
55 c
->clear_block
= ff_clear_block_sse
;
56 c
->clear_blocks
= ff_clear_blocks_sse
;
59 #endif /* HAVE_YASM */