| /* |
| * 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 |
| */ |
| |
| #ifndef AVCODEC_BLOCKDSP_H |
| #define AVCODEC_BLOCKDSP_H |
| |
| #include <stddef.h> |
| #include <stdint.h> |
| |
| #include "avcodec.h" |
| |
| /* add and put pixel (decoding) |
| * Block sizes for op_pixels_func are 8x4,8x8 16x8 16x16. |
| * h for op_pixels_func is limited to { width / 2, width }, |
| * but never larger than 16 and never smaller than 4. */ |
| typedef void (*op_fill_func)(uint8_t *block /* align width (8 or 16) */, |
| uint8_t value, ptrdiff_t line_size, int h); |
| |
| typedef struct BlockDSPContext { |
| void (*clear_block)(int16_t *block /* align 32 */); |
| void (*clear_blocks)(int16_t *blocks /* align 32 */); |
| |
| op_fill_func fill_block_tab[2]; |
| } BlockDSPContext; |
| |
| void ff_blockdsp_init(BlockDSPContext *c, AVCodecContext *avctx); |
| |
| void ff_blockdsp_init_alpha(BlockDSPContext *c); |
| void ff_blockdsp_init_arm(BlockDSPContext *c); |
| void ff_blockdsp_init_ppc(BlockDSPContext *c); |
| void ff_blockdsp_init_x86(BlockDSPContext *c, AVCodecContext *avctx); |
| void ff_blockdsp_init_mips(BlockDSPContext *c); |
| |
| #endif /* AVCODEC_BLOCKDSP_H */ |
