| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | /* | ||
| 2 | * V210 encoder DSP init | ||
| 3 | * | ||
| 4 | * Copyright (C) 2009 Michael Niedermayer <michaelni@gmx.at> | ||
| 5 | * Copyright (c) 2009 Baptiste Coudurier <baptiste dot coudurier at gmail dot com> | ||
| 6 | * | ||
| 7 | * This file is part of FFmpeg. | ||
| 8 | * | ||
| 9 | * FFmpeg is free software; you can redistribute it and/or | ||
| 10 | * modify it under the terms of the GNU Lesser General Public | ||
| 11 | * License as published by the Free Software Foundation; either | ||
| 12 | * version 2.1 of the License, or (at your option) any later version. | ||
| 13 | * | ||
| 14 | * FFmpeg is distributed in the hope that it will be useful, | ||
| 15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
| 17 | * Lesser General Public License for more details. | ||
| 18 | * | ||
| 19 | * You should have received a copy of the GNU Lesser General Public | ||
| 20 | * License along with FFmpeg; if not, write to the Free Software | ||
| 21 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | ||
| 22 | */ | ||
| 23 | |||
| 24 | #ifndef AVCODEC_V210ENC_INIT_H | ||
| 25 | #define AVCODEC_V210ENC_INIT_H | ||
| 26 | |||
| 27 | #include <stddef.h> | ||
| 28 | #include <stdint.h> | ||
| 29 | |||
| 30 | #include "config.h" | ||
| 31 | #include "libavutil/attributes.h" | ||
| 32 | #include "libavutil/common.h" | ||
| 33 | #include "libavutil/intreadwrite.h" | ||
| 34 | #include "v210enc.h" | ||
| 35 | |||
| 36 | #define CLIP(v, depth) av_clip(v, 1<<(depth-8), ((1<<depth)-(1<<(depth-8))-1)) | ||
| 37 | #define WRITE_PIXELS(a, b, c, depth) \ | ||
| 38 | do { \ | ||
| 39 | val = CLIP(*a++, depth) << (10-depth); \ | ||
| 40 | val |= (CLIP(*b++, depth) << (20-depth)) | \ | ||
| 41 | (CLIP(*c++, depth) << (30-depth)); \ | ||
| 42 | AV_WL32(dst, val); \ | ||
| 43 | dst += 4; \ | ||
| 44 | } while (0) | ||
| 45 | |||
| 46 | 45023 | static void v210_planar_pack_8_c(const uint8_t *y, const uint8_t *u, | |
| 47 | const uint8_t *v, uint8_t *dst, | ||
| 48 | ptrdiff_t width) | ||
| 49 | { | ||
| 50 | uint32_t val; | ||
| 51 | |||
| 52 | /* unroll this to match the assembly */ | ||
| 53 |
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1303806 | for (int i = 0; i < width - 11; i += 12) { |
| 54 | 1258783 | WRITE_PIXELS(u, y, v, 8); | |
| 55 | 1258783 | WRITE_PIXELS(y, u, y, 8); | |
| 56 | 1258783 | WRITE_PIXELS(v, y, u, 8); | |
| 57 | 1258783 | WRITE_PIXELS(y, v, y, 8); | |
| 58 | 1258783 | WRITE_PIXELS(u, y, v, 8); | |
| 59 | 1258783 | WRITE_PIXELS(y, u, y, 8); | |
| 60 | 1258783 | WRITE_PIXELS(v, y, u, 8); | |
| 61 | 1258783 | WRITE_PIXELS(y, v, y, 8); | |
| 62 | } | ||
| 63 | 45023 | } | |
| 64 | |||
| 65 | 45146 | static void v210_planar_pack_10_c(const uint16_t *y, const uint16_t *u, | |
| 66 | const uint16_t *v, uint8_t *dst, | ||
| 67 | ptrdiff_t width) | ||
| 68 | { | ||
| 69 | uint32_t val; | ||
| 70 | |||
| 71 |
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2569455 | for (int i = 0; i < width - 5; i += 6) { |
| 72 | 2524309 | WRITE_PIXELS(u, y, v, 10); | |
| 73 | 2524309 | WRITE_PIXELS(y, u, y, 10); | |
| 74 | 2524309 | WRITE_PIXELS(v, y, u, 10); | |
| 75 | 2524309 | WRITE_PIXELS(y, v, y, 10); | |
| 76 | } | ||
| 77 | 45146 | } | |
| 78 | |||
| 79 | 21 | static av_cold av_unused void ff_v210enc_init(V210EncContext *s) | |
| 80 | { | ||
| 81 | 21 | s->pack_line_8 = v210_planar_pack_8_c; | |
| 82 | 21 | s->pack_line_10 = v210_planar_pack_10_c; | |
| 83 | 21 | s->sample_factor_8 = 2; | |
| 84 | 21 | s->sample_factor_10 = 1; | |
| 85 | |||
| 86 | #if ARCH_X86 | ||
| 87 | 21 | ff_v210enc_init_x86(s); | |
| 88 | #endif | ||
| 89 | 21 | } | |
| 90 | |||
| 91 | #endif /* AVCODEC_V210ENC_INIT_H */ | ||
| 92 |