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