| 1 | /* |
| 2 | * Copyright (c) 2002 Michael Niedermayer |
| 3 | * |
| 4 | * This file is part of FFmpeg. |
| 5 | * |
| 6 | * FFmpeg 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 | * FFmpeg 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 FFmpeg; if not, write to the Free Software |
| 18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| 19 | */ |
| 20 | |
| 21 | #include "libavutil/internal.h" |
| 22 | #include "libavutil/arm/cpu.h" |
| 23 | #include "libavcodec/avcodec.h" |
| 24 | #include "libavcodec/mpegvideo.h" |
| 25 | #include "mpegvideo_arm.h" |
| 26 | #include "asm-offsets.h" |
| 27 | |
| 28 | #if HAVE_NEON |
| 29 | AV_CHECK_OFFSET(MpegEncContext, y_dc_scale, Y_DC_SCALE); |
| 30 | AV_CHECK_OFFSET(MpegEncContext, c_dc_scale, C_DC_SCALE); |
| 31 | AV_CHECK_OFFSET(MpegEncContext, ac_pred, AC_PRED); |
| 32 | AV_CHECK_OFFSET(MpegEncContext, block_last_index, BLOCK_LAST_INDEX); |
| 33 | AV_CHECK_OFFSET(MpegEncContext, inter_scantable.raster_end, |
| 34 | INTER_SCANTAB_RASTER_END); |
| 35 | AV_CHECK_OFFSET(MpegEncContext, h263_aic, H263_AIC); |
| 36 | #endif |
| 37 | |
| 38 | void ff_dct_unquantize_h263_inter_neon(MpegEncContext *s, int16_t *block, |
| 39 | int n, int qscale); |
| 40 | void ff_dct_unquantize_h263_intra_neon(MpegEncContext *s, int16_t *block, |
| 41 | int n, int qscale); |
| 42 | |
| 43 | av_cold void ff_mpv_common_init_arm(MpegEncContext *s) |
| 44 | { |
| 45 | int cpu_flags = av_get_cpu_flags(); |
| 46 | |
| 47 | if (have_armv5te(cpu_flags)) |
| 48 | ff_mpv_common_init_armv5te(s); |
| 49 | |
| 50 | if (have_neon(cpu_flags)) { |
| 51 | s->dct_unquantize_h263_intra = ff_dct_unquantize_h263_intra_neon; |
| 52 | s->dct_unquantize_h263_inter = ff_dct_unquantize_h263_inter_neon; |
| 53 | } |
| 54 | } |