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ffmpeg / libavcodec / arm / mpegvideo_arm.c @ 2912e87a

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1 676e200c Michael Niedermayer
/*
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 * Copyright (c) 2002 Michael Niedermayer
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 *
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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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#include "libavcodec/avcodec.h"
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#include "libavcodec/dsputil.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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CHK_OFFS(MpegEncContext, y_dc_scale,       Y_DC_SCALE);
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CHK_OFFS(MpegEncContext, c_dc_scale,       C_DC_SCALE);
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CHK_OFFS(MpegEncContext, ac_pred,          AC_PRED);
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CHK_OFFS(MpegEncContext, block_last_index, BLOCK_LAST_INDEX);
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CHK_OFFS(MpegEncContext, inter_scantable.raster_end, INTER_SCANTAB_RASTER_END);
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CHK_OFFS(MpegEncContext, h263_aic,         H263_AIC);
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#endif
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void ff_dct_unquantize_h263_inter_neon(MpegEncContext *s, DCTELEM *block,
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                                       int n, int qscale);
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void ff_dct_unquantize_h263_intra_neon(MpegEncContext *s, DCTELEM *block,
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                                       int n, int qscale);
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void MPV_common_init_arm(MpegEncContext *s)
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{
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    /* IWMMXT support is a superset of armv5te, so
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     * allow optimized functions for armv5te unless
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     * a better iwmmxt function exists
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     */
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#if HAVE_ARMV5TE
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    MPV_common_init_armv5te(s);
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#endif
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#if HAVE_IWMMXT
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    MPV_common_init_iwmmxt(s);
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#endif
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    if (HAVE_NEON) {
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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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}