Libav 0.7.1
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00001 /* 00002 * Copyright (c) 2002 Michael Niedermayer 00003 * 00004 * This file is part of Libav. 00005 * 00006 * Libav is free software; you can redistribute it and/or 00007 * modify it under the terms of the GNU Lesser General Public 00008 * License as published by the Free Software Foundation; either 00009 * version 2.1 of the License, or (at your option) any later version. 00010 * 00011 * Libav is distributed in the hope that it will be useful, 00012 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00013 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00014 * Lesser General Public License for more details. 00015 * 00016 * You should have received a copy of the GNU Lesser General Public 00017 * License along with Libav; if not, write to the Free Software 00018 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 00019 */ 00020 00021 #include "libavcodec/avcodec.h" 00022 #include "libavcodec/dsputil.h" 00023 #include "libavcodec/mpegvideo.h" 00024 #include "mpegvideo_arm.h" 00025 #include "asm-offsets.h" 00026 00027 #if HAVE_NEON 00028 CHK_OFFS(MpegEncContext, y_dc_scale, Y_DC_SCALE); 00029 CHK_OFFS(MpegEncContext, c_dc_scale, C_DC_SCALE); 00030 CHK_OFFS(MpegEncContext, ac_pred, AC_PRED); 00031 CHK_OFFS(MpegEncContext, block_last_index, BLOCK_LAST_INDEX); 00032 CHK_OFFS(MpegEncContext, inter_scantable.raster_end, INTER_SCANTAB_RASTER_END); 00033 CHK_OFFS(MpegEncContext, h263_aic, H263_AIC); 00034 #endif 00035 00036 void ff_dct_unquantize_h263_inter_neon(MpegEncContext *s, DCTELEM *block, 00037 int n, int qscale); 00038 void ff_dct_unquantize_h263_intra_neon(MpegEncContext *s, DCTELEM *block, 00039 int n, int qscale); 00040 00041 void MPV_common_init_arm(MpegEncContext *s) 00042 { 00043 /* IWMMXT support is a superset of armv5te, so 00044 * allow optimized functions for armv5te unless 00045 * a better iwmmxt function exists 00046 */ 00047 #if HAVE_ARMV5TE 00048 MPV_common_init_armv5te(s); 00049 #endif 00050 #if HAVE_IWMMXT 00051 MPV_common_init_iwmmxt(s); 00052 #endif 00053 00054 if (HAVE_NEON) { 00055 s->dct_unquantize_h263_intra = ff_dct_unquantize_h263_intra_neon; 00056 s->dct_unquantize_h263_inter = ff_dct_unquantize_h263_inter_neon; 00057 } 00058 }