/* * 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"#include "version.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 16 */);    void (*clear_blocks)(int16_t *blocks /* align 16 */);     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 */