blob: c7efe7e77b061380348f5faadc25bb1ad4ae7776
| 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 | #include <string.h> |
| 21 | |
| 22 | #include "config.h" |
| 23 | #include "libavutil/attributes.h" |
| 24 | #include "avcodec.h" |
| 25 | #include "blockdsp.h" |
| 26 | #include "version.h" |
| 27 | |
| 28 | static void clear_block_c(int16_t *block) |
| 29 | { |
| 30 | memset(block, 0, sizeof(int16_t) * 64); |
| 31 | } |
| 32 | |
| 33 | static void clear_blocks_c(int16_t *blocks) |
| 34 | { |
| 35 | memset(blocks, 0, sizeof(int16_t) * 6 * 64); |
| 36 | } |
| 37 | |
| 38 | static void fill_block16_c(uint8_t *block, uint8_t value, ptrdiff_t line_size, |
| 39 | int h) |
| 40 | { |
| 41 | int i; |
| 42 | |
| 43 | for (i = 0; i < h; i++) { |
| 44 | memset(block, value, 16); |
| 45 | block += line_size; |
| 46 | } |
| 47 | } |
| 48 | |
| 49 | static void fill_block8_c(uint8_t *block, uint8_t value, ptrdiff_t line_size, |
| 50 | int h) |
| 51 | { |
| 52 | int i; |
| 53 | |
| 54 | for (i = 0; i < h; i++) { |
| 55 | memset(block, value, 8); |
| 56 | block += line_size; |
| 57 | } |
| 58 | } |
| 59 | |
| 60 | av_cold void ff_blockdsp_init(BlockDSPContext *c, AVCodecContext *avctx) |
| 61 | { |
| 62 | c->clear_block = clear_block_c; |
| 63 | c->clear_blocks = clear_blocks_c; |
| 64 | |
| 65 | c->fill_block_tab[0] = fill_block16_c; |
| 66 | c->fill_block_tab[1] = fill_block8_c; |
| 67 | |
| 68 | if (ARCH_ALPHA) |
| 69 | ff_blockdsp_init_alpha(c); |
| 70 | if (ARCH_ARM) |
| 71 | ff_blockdsp_init_arm(c); |
| 72 | if (ARCH_PPC) |
| 73 | ff_blockdsp_init_ppc(c); |
| 74 | if (ARCH_X86) |
| 75 | ff_blockdsp_init_x86(c, avctx); |
| 76 | if (ARCH_MIPS) |
| 77 | ff_blockdsp_init_mips(c); |
| 78 | } |
| 79 |