| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | /* | ||
| 2 | * V210 decoder 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_V210DEC_INIT_H | ||
| 25 | #define AVCODEC_V210DEC_INIT_H | ||
| 26 | |||
| 27 | #include <stdint.h> | ||
| 28 | |||
| 29 | #include "config.h" | ||
| 30 | #include "libavutil/attributes.h" | ||
| 31 | #include "libavutil/bswap.h" | ||
| 32 | #include "v210dec.h" | ||
| 33 | |||
| 34 | #define READ_PIXELS(a, b, c) \ | ||
| 35 | do { \ | ||
| 36 | val = av_le2ne32(*src++); \ | ||
| 37 | *a++ = val & 0x3FF; \ | ||
| 38 | *b++ = (val >> 10) & 0x3FF; \ | ||
| 39 | *c++ = (val >> 20) & 0x3FF; \ | ||
| 40 | } while (0) | ||
| 41 | |||
| 42 | 90523 | static void v210_planar_unpack_c(const uint32_t *src, uint16_t *y, uint16_t *u, uint16_t *v, int width) | |
| 43 | { | ||
| 44 | uint32_t val; | ||
| 45 | |||
| 46 |
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5087433 | for (int i = 0; i < width - 5; i += 6) { |
| 47 | 4996910 | READ_PIXELS(u, y, v); | |
| 48 | 4996910 | READ_PIXELS(y, u, y); | |
| 49 | 4996910 | READ_PIXELS(v, y, u); | |
| 50 | 4996910 | READ_PIXELS(y, v, y); | |
| 51 | } | ||
| 52 | 90523 | } | |
| 53 | |||
| 54 | 41 | av_unused static av_cold void ff_v210dec_init(V210DecContext *s) | |
| 55 | { | ||
| 56 | 41 | s->unpack_frame = v210_planar_unpack_c; | |
| 57 | #if ARCH_X86 && HAVE_X86ASM | ||
| 58 | 41 | ff_v210_x86_init(s); | |
| 59 | #endif | ||
| 60 | 41 | } | |
| 61 | |||
| 62 | #endif /* AVCODEC_V210DEC_INIT_H */ | ||
| 63 |