ffmpeg/libavcodec/arm/mpegvideo_arm.c

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/*
* Copyright (c) 2002 Michael Niedermayer
*
* 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
*/
#include "libavcodec/avcodec.h"
#include "libavcodec/dsputil.h"
#include "libavcodec/mpegvideo.h"
#include "mpegvideo_arm.h"
#include "asm-offsets.h"
#if HAVE_NEON
CHK_OFFS(MpegEncContext, y_dc_scale, Y_DC_SCALE);
CHK_OFFS(MpegEncContext, c_dc_scale, C_DC_SCALE);
CHK_OFFS(MpegEncContext, ac_pred, AC_PRED);
CHK_OFFS(MpegEncContext, block_last_index, BLOCK_LAST_INDEX);
CHK_OFFS(MpegEncContext, inter_scantable.raster_end, INTER_SCANTAB_RASTER_END);
CHK_OFFS(MpegEncContext, h263_aic, H263_AIC);
#endif
void ff_dct_unquantize_h263_inter_neon(MpegEncContext *s, DCTELEM *block,
int n, int qscale);
void ff_dct_unquantize_h263_intra_neon(MpegEncContext *s, DCTELEM *block,
int n, int qscale);
void ff_MPV_common_init_arm(MpegEncContext *s)
{
/* IWMMXT support is a superset of armv5te, so
* allow optimized functions for armv5te unless
* a better iwmmxt function exists
*/
#if HAVE_ARMV5TE
ff_MPV_common_init_armv5te(s);
#endif
#if HAVE_IWMMXT
ff_MPV_common_init_iwmmxt(s);
#endif
if (HAVE_NEON) {
s->dct_unquantize_h263_intra = ff_dct_unquantize_h263_intra_neon;
s->dct_unquantize_h263_inter = ff_dct_unquantize_h263_inter_neon;
}
}