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54 lines
1.8 KiB
C
54 lines
1.8 KiB
C
/*
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* This file is part of Libav.
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*
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* Libav is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* Libav is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with Libav; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef AVCODEC_BLOCKDSP_H
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#define AVCODEC_BLOCKDSP_H
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#include <stddef.h>
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#include <stdint.h>
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#include "avcodec.h"
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#include "version.h"
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/* add and put pixel (decoding)
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* Block sizes for op_pixels_func are 8x4,8x8 16x8 16x16.
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* h for op_pixels_func is limited to { width / 2, width },
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* but never larger than 16 and never smaller than 4. */
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typedef void (*op_fill_func)(uint8_t *block /* align width (8 or 16) */,
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uint8_t value, ptrdiff_t line_size, int h);
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typedef struct BlockDSPContext {
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void (*clear_block)(int16_t *block /* align 16 */);
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void (*clear_blocks)(int16_t *blocks /* align 16 */);
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op_fill_func fill_block_tab[2];
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} BlockDSPContext;
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void ff_blockdsp_init(BlockDSPContext *c, AVCodecContext *avctx);
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void ff_blockdsp_init_arm(BlockDSPContext *c);
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void ff_blockdsp_init_ppc(BlockDSPContext *c);
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#if FF_API_XVMC
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void ff_blockdsp_init_x86(BlockDSPContext *c,
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AVCodecContext *avctx);
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#else
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void ff_blockdsp_init_x86(BlockDSPContext *c);
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#endif /* FF_API_XVMC */
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#endif /* AVCODEC_BLOCKDSP_H */
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