repositories / deb_ffmpeg.git / blame
| Commit | Line | Data |
|---|---|---|
| 2ba45a60 DM |
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 <stdint.h> | |
| 20 | ||
| 21 | #include "config.h" | |
| 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" | |
| 28 | ||
| 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); | |
| 33 | ||
| 34 | #if FF_API_XVMC | |
| 35 | av_cold void ff_blockdsp_init_x86(BlockDSPContext *c, unsigned high_bit_depth, | |
| 36 | AVCodecContext *avctx) | |
| 37 | #else | |
| 38 | av_cold void ff_blockdsp_init_x86(BlockDSPContext *c, unsigned high_bit_depth) | |
| 39 | #endif /* FF_API_XVMC */ | |
| 40 | { | |
| 41 | #if HAVE_YASM | |
| 42 | int cpu_flags = av_get_cpu_flags(); | |
| 43 | ||
| 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; | |
| 48 | } | |
| 49 | ||
| 50 | /* XvMCCreateBlocks() may not allocate 16-byte aligned blocks */ | |
| 51 | if (CONFIG_XVMC && avctx->hwaccel && avctx->hwaccel->decode_mb) | |
| 52 | return; | |
| 53 | ||
| 54 | if (EXTERNAL_SSE(cpu_flags)) { | |
| 55 | c->clear_block = ff_clear_block_sse; | |
| 56 | c->clear_blocks = ff_clear_blocks_sse; | |
| 57 | } | |
| 58 | } | |
| 59 | #endif /* HAVE_YASM */ | |
| 60 | } |