| 1 | /* |
| 2 | * Copyright (c) 2004 Romain Dolbeau <romain@dolbeau.org> |
| 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 "config.h" |
| 22 | #include "libavutil/attributes.h" |
| 23 | #include "libavutil/cpu.h" |
| 24 | #include "libavutil/intreadwrite.h" |
| 25 | #include "libavutil/ppc/cpu.h" |
| 26 | #include "libavutil/ppc/types_altivec.h" |
| 27 | #include "libavutil/ppc/util_altivec.h" |
| 28 | #include "libavcodec/h264chroma.h" |
| 29 | |
| 30 | #if HAVE_ALTIVEC |
| 31 | #define PUT_OP_U8_ALTIVEC(d, s, dst) d = s |
| 32 | #define AVG_OP_U8_ALTIVEC(d, s, dst) d = vec_avg(dst, s) |
| 33 | |
| 34 | #define OP_U8_ALTIVEC PUT_OP_U8_ALTIVEC |
| 35 | #define PREFIX_h264_chroma_mc8_altivec put_h264_chroma_mc8_altivec |
| 36 | #define PREFIX_h264_chroma_mc8_num altivec_put_h264_chroma_mc8_num |
| 37 | #include "h264chroma_template.c" |
| 38 | #undef OP_U8_ALTIVEC |
| 39 | #undef PREFIX_h264_chroma_mc8_altivec |
| 40 | #undef PREFIX_h264_chroma_mc8_num |
| 41 | |
| 42 | #define OP_U8_ALTIVEC AVG_OP_U8_ALTIVEC |
| 43 | #define PREFIX_h264_chroma_mc8_altivec avg_h264_chroma_mc8_altivec |
| 44 | #define PREFIX_h264_chroma_mc8_num altivec_avg_h264_chroma_mc8_num |
| 45 | #include "h264chroma_template.c" |
| 46 | #undef OP_U8_ALTIVEC |
| 47 | #undef PREFIX_h264_chroma_mc8_altivec |
| 48 | #undef PREFIX_h264_chroma_mc8_num |
| 49 | #endif /* HAVE_ALTIVEC */ |
| 50 | |
| 51 | av_cold void ff_h264chroma_init_ppc(H264ChromaContext *c, int bit_depth) |
| 52 | { |
| 53 | #if HAVE_ALTIVEC |
| 54 | const int high_bit_depth = bit_depth > 8; |
| 55 | |
| 56 | if (!PPC_ALTIVEC(av_get_cpu_flags())) |
| 57 | return; |
| 58 | |
| 59 | if (!high_bit_depth) { |
| 60 | c->put_h264_chroma_pixels_tab[0] = put_h264_chroma_mc8_altivec; |
| 61 | c->avg_h264_chroma_pixels_tab[0] = avg_h264_chroma_mc8_altivec; |
| 62 | } |
| 63 | #endif /* HAVE_ALTIVEC */ |
| 64 | } |