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 #ifndef AVCODEC_BLOCKDSP_H 20 #define AVCODEC_BLOCKDSP_H 21 22 #include <stddef.h> 23 #include <stdint.h> 24 25 #include "avcodec.h" 26 #include "version.h" 27 28 /* add and put pixel (decoding) 29 * Block sizes for op_pixels_func are 8x4,8x8 16x8 16x16. 30 * h for op_pixels_func is limited to { width / 2, width }, 31 * but never larger than 16 and never smaller than 4. */ 32 typedef void (*op_fill_func)(uint8_t *block /* align width (8 or 16) */, 33 uint8_t value, ptrdiff_t line_size, int h); 34 35 typedef struct BlockDSPContext { 36 void (*clear_block)(int16_t *block /* align 32 */); 37 void (*clear_blocks)(int16_t *blocks /* align 32 */); 38 39 op_fill_func fill_block_tab[2]; 40 } BlockDSPContext; 41 42 void ff_blockdsp_init(BlockDSPContext *c, AVCodecContext *avctx); 43 44 void ff_blockdsp_init_alpha(BlockDSPContext *c); 45 void ff_blockdsp_init_arm(BlockDSPContext *c); 46 void ff_blockdsp_init_ppc(BlockDSPContext *c); 47 void ff_blockdsp_init_x86(BlockDSPContext *c, AVCodecContext *avctx); 48 void ff_blockdsp_init_mips(BlockDSPContext *c); 49 50 #endif /* AVCODEC_BLOCKDSP_H */ 51