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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 <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_alpha
(
BlockDSPContext
*
c
);
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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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void
ff_blockdsp_init_x86
(
BlockDSPContext
*
c
,
AVCodecContext
*avctx);
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void
ff_blockdsp_init_mips
(
BlockDSPContext
*
c
);
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#endif
/* AVCODEC_BLOCKDSP_H */
h
h
Definition:
vp9dsp_template.c:2038
ff_blockdsp_init_ppc
void ff_blockdsp_init_ppc(BlockDSPContext *c)
Definition:
blockdsp.c:146
BlockDSPContext::clear_block
void(* clear_block)(int16_t *block)
Definition:
blockdsp.h:36
BlockDSPContext::clear_blocks
void(* clear_blocks)(int16_t *blocks)
Definition:
blockdsp.h:37
ff_blockdsp_init_alpha
void ff_blockdsp_init_alpha(BlockDSPContext *c)
Definition:
blockdsp_alpha.c:46
block
static int16_t block[64]
Definition:
dct.c:115
uint8_t
uint8_t
Definition:
audio_convert.c:194
op_fill_func
void(* op_fill_func)(uint8_t *block, uint8_t value, ptrdiff_t line_size, int h)
Definition:
blockdsp.h:32
version.h
Libavcodec version macros.
ff_blockdsp_init_x86
void ff_blockdsp_init_x86(BlockDSPContext *c, AVCodecContext *avctx)
Definition:
blockdsp_init.c:34
ff_blockdsp_init
void ff_blockdsp_init(BlockDSPContext *c, AVCodecContext *avctx)
Definition:
blockdsp.c:60
void
typedef void(APIENTRY *FF_PFNGLACTIVETEXTUREPROC)(GLenum texture)
value
GLsizei GLboolean const GLfloat * value
Definition:
opengl_enc.c:109
ff_blockdsp_init_mips
void ff_blockdsp_init_mips(BlockDSPContext *c)
Definition:
blockdsp_init_mips.c:46
BlockDSPContext
Definition:
blockdsp.h:35
avcodec.h
Libavcodec external API header.
AVCodecContext
main external API structure.
Definition:
avcodec.h:1732
ff_blockdsp_init_arm
void ff_blockdsp_init_arm(BlockDSPContext *c)
Definition:
blockdsp_init_arm.c:27
c
static double c[64]
Definition:
vsrc_mptestsrc.c:87
BlockDSPContext::fill_block_tab
op_fill_func fill_block_tab[2]
Definition:
blockdsp.h:39
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