1/* 2 * Copyright (c) 2002 Michael Niedermayer 3 * 4 * This file is part of Libav. 5 * 6 * Libav is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU Lesser General Public 8 * License as published by the Free Software Foundation; either 9 * version 2.1 of the License, or (at your option) any later version. 10 * 11 * Libav is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 * Lesser General Public License for more details. 15 * 16 * You should have received a copy of the GNU Lesser General Public 17 * License along with Libav; if not, write to the Free Software 18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 19 */ 20 21#include "libavcodec/avcodec.h" 22#include "libavcodec/dsputil.h" 23#include "libavcodec/mpegvideo.h" 24#include "mpegvideo_arm.h" 25#include "asm-offsets.h" 26 27#if HAVE_NEON 28CHK_OFFS(MpegEncContext, y_dc_scale, Y_DC_SCALE); 29CHK_OFFS(MpegEncContext, c_dc_scale, C_DC_SCALE); 30CHK_OFFS(MpegEncContext, ac_pred, AC_PRED); 31CHK_OFFS(MpegEncContext, block_last_index, BLOCK_LAST_INDEX); 32CHK_OFFS(MpegEncContext, inter_scantable.raster_end, INTER_SCANTAB_RASTER_END); 33CHK_OFFS(MpegEncContext, h263_aic, H263_AIC); 34#endif 35 36void ff_dct_unquantize_h263_inter_neon(MpegEncContext *s, DCTELEM *block, 37 int n, int qscale); 38void ff_dct_unquantize_h263_intra_neon(MpegEncContext *s, DCTELEM *block, 39 int n, int qscale); 40 41void MPV_common_init_arm(MpegEncContext *s) 42{ 43 /* IWMMXT support is a superset of armv5te, so 44 * allow optimized functions for armv5te unless 45 * a better iwmmxt function exists 46 */ 47#if HAVE_ARMV5TE 48 MPV_common_init_armv5te(s); 49#endif 50#if HAVE_IWMMXT 51 MPV_common_init_iwmmxt(s); 52#endif 53 54 if (HAVE_NEON) { 55 s->dct_unquantize_h263_intra = ff_dct_unquantize_h263_intra_neon; 56 s->dct_unquantize_h263_inter = ff_dct_unquantize_h263_inter_neon; 57 } 58} 59