| 1 | /* |
| 2 | * ARM-NEON-optimized IDCT functions |
| 3 | * Copyright (c) 2008 Mans Rullgard <mans@mansr.com> |
| 4 | * |
| 5 | * This file is part of FFmpeg. |
| 6 | * |
| 7 | * FFmpeg is free software; you can redistribute it and/or |
| 8 | * modify it under the terms of the GNU Lesser General Public |
| 9 | * License as published by the Free Software Foundation; either |
| 10 | * version 2.1 of the License, or (at your option) any later version. |
| 11 | * |
| 12 | * FFmpeg is distributed in the hope that it will be useful, |
| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 15 | * Lesser General Public License for more details. |
| 16 | * |
| 17 | * You should have received a copy of the GNU Lesser General Public |
| 18 | * License along with FFmpeg; if not, write to the Free Software |
| 19 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| 20 | */ |
| 21 | |
| 22 | #include <stdint.h> |
| 23 | |
| 24 | #include "libavutil/attributes.h" |
| 25 | #include "libavcodec/avcodec.h" |
| 26 | #include "libavcodec/idctdsp.h" |
| 27 | #include "idct.h" |
| 28 | #include "idctdsp_arm.h" |
| 29 | |
| 30 | void ff_add_pixels_clamped_neon(const int16_t *, uint8_t *, int); |
| 31 | void ff_put_pixels_clamped_neon(const int16_t *, uint8_t *, int); |
| 32 | void ff_put_signed_pixels_clamped_neon(const int16_t *, uint8_t *, int); |
| 33 | |
| 34 | av_cold void ff_idctdsp_init_neon(IDCTDSPContext *c, AVCodecContext *avctx, |
| 35 | unsigned high_bit_depth) |
| 36 | { |
| 37 | if (!avctx->lowres && !high_bit_depth) { |
| 38 | if (avctx->idct_algo == FF_IDCT_AUTO || |
| 39 | avctx->idct_algo == FF_IDCT_SIMPLEAUTO || |
| 40 | avctx->idct_algo == FF_IDCT_SIMPLENEON) { |
| 41 | c->idct_put = ff_simple_idct_put_neon; |
| 42 | c->idct_add = ff_simple_idct_add_neon; |
| 43 | c->idct = ff_simple_idct_neon; |
| 44 | c->perm_type = FF_IDCT_PERM_PARTTRANS; |
| 45 | } |
| 46 | } |
| 47 | |
| 48 | c->add_pixels_clamped = ff_add_pixels_clamped_neon; |
| 49 | c->put_pixels_clamped = ff_put_pixels_clamped_neon; |
| 50 | c->put_signed_pixels_clamped = ff_put_signed_pixels_clamped_neon; |
| 51 | } |