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libavcodec
blockdsp.h
Go to the documentation of this file.
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/*
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* This file is part of FFmpeg.
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*
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* FFmpeg 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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* FFmpeg 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 FFmpeg; 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 <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
,
int
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_alpha
(
BlockDSPContext
*
c
,
unsigned
high_bit_depth);
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void
ff_blockdsp_init_arm
(
BlockDSPContext
*
c
,
unsigned
high_bit_depth);
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void
ff_blockdsp_init_ppc
(
BlockDSPContext
*
c
,
unsigned
high_bit_depth);
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#if FF_API_XVMC
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void
ff_blockdsp_init_x86
(
BlockDSPContext
*
c
,
unsigned
high_bit_depth,
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AVCodecContext
*avctx);
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#else
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void
ff_blockdsp_init_x86
(
BlockDSPContext
*
c
,
unsigned
high_bit_depth);
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#endif
/* FF_API_XVMC */
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#endif
/* AVCODEC_BLOCKDSP_H */
Generated on Fri Dec 5 2014 04:41:51 for FFmpeg by
1.8.2