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libavcodec
arm
mpegvideo_arm.c
Go to the documentation of this file.
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/*
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* Copyright (c) 2002 Michael Niedermayer
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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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#include "
libavutil/internal.h
"
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#include "
libavutil/arm/cpu.h
"
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#include "
libavcodec/avcodec.h
"
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#include "
libavcodec/mpegvideo.h
"
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#include "
mpegvideo_arm.h
"
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#include "
asm-offsets.h
"
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#if HAVE_NEON
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AV_CHECK_OFFSET
(
MpegEncContext
, y_dc_scale,
Y_DC_SCALE
);
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AV_CHECK_OFFSET
(
MpegEncContext
, c_dc_scale,
C_DC_SCALE
);
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AV_CHECK_OFFSET
(
MpegEncContext
, ac_pred,
AC_PRED
);
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AV_CHECK_OFFSET
(
MpegEncContext
, block_last_index,
BLOCK_LAST_INDEX
);
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AV_CHECK_OFFSET
(
MpegEncContext
, inter_scantable.raster_end,
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INTER_SCANTAB_RASTER_END
);
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AV_CHECK_OFFSET
(
MpegEncContext
, h263_aic,
H263_AIC
);
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#endif
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void
ff_dct_unquantize_h263_inter_neon
(
MpegEncContext
*
s
, int16_t *
block
,
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int
n
,
int
qscale);
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void
ff_dct_unquantize_h263_intra_neon
(
MpegEncContext
*
s
, int16_t *
block
,
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int
n
,
int
qscale);
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av_cold
void
ff_mpv_common_init_arm
(
MpegEncContext
*
s
)
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{
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int
cpu_flags =
av_get_cpu_flags
();
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if
(
have_armv5te
(cpu_flags))
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ff_mpv_common_init_armv5te
(s);
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if
(
have_neon
(cpu_flags)) {
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s->
dct_unquantize_h263_intra
=
ff_dct_unquantize_h263_intra_neon
;
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s->
dct_unquantize_h263_inter
=
ff_dct_unquantize_h263_inter_neon
;
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}
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}
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