| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | /* | ||
| 2 | * Bitpacked decoder DSP init | ||
| 3 | * Copyright (c) 2017 Savoir-faire Linux, Inc | ||
| 4 | * Copyright (c) 2026 Devin Heitmueller <dheitmueller@ltnglobal.com> | ||
| 5 | * | ||
| 6 | * This file is part of FFmpeg. | ||
| 7 | * | ||
| 8 | * FFmpeg is free software; you can redistribute it and/or | ||
| 9 | * modify it under the terms of the GNU Lesser General Public | ||
| 10 | * License as published by the Free Software Foundation; either | ||
| 11 | * version 2.1 of the License, or (at your option) any later version. | ||
| 12 | * | ||
| 13 | * FFmpeg is distributed in the hope that it will be useful, | ||
| 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
| 16 | * Lesser General Public License for more details. | ||
| 17 | * | ||
| 18 | * You should have received a copy of the GNU Lesser General Public | ||
| 19 | * License along with FFmpeg; if not, write to the Free Software | ||
| 20 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | ||
| 21 | */ | ||
| 22 | |||
| 23 | #ifndef AVCODEC_BITPACKED_DEC_INIT_H | ||
| 24 | #define AVCODEC_BITPACKED_DEC_INIT_H | ||
| 25 | |||
| 26 | #include <stdint.h> | ||
| 27 | |||
| 28 | #include "config.h" | ||
| 29 | #include "libavutil/attributes.h" | ||
| 30 | #include "bitpacked_dec.h" | ||
| 31 | |||
| 32 | 58 | static void bitpacked_unpack_yuv422p10_c(const uint8_t *src, | |
| 33 | uint16_t *y, uint16_t *u, uint16_t *v, | ||
| 34 | int width) | ||
| 35 | { | ||
| 36 |
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8186 | for (int i = 0; i < width; i += 2) { |
| 37 | 8128 | *u++ = (src[0] << 2) | (src[1] >> 6); | |
| 38 | 8128 | *v++ = ((src[2] << 6) | (src[3] >> 2)) & 0x3ff; | |
| 39 | 8128 | *y++ = ((src[1] << 4) | (src[2] >> 4)) & 0x3ff; | |
| 40 | 8128 | *y++ = ((src[3] << 8) | src[4]) & 0x3ff; | |
| 41 | 8128 | src += 5; | |
| 42 | } | ||
| 43 | 58 | } | |
| 44 | |||
| 45 | 14 | av_unused static av_cold void ff_bitpackeddec_init(struct BitpackedContext *s) | |
| 46 | { | ||
| 47 | 14 | s->unpack_yuv422p10 = bitpacked_unpack_yuv422p10_c; | |
| 48 | |||
| 49 | #if ARCH_AARCH64 | ||
| 50 | ff_bitpacked_init_aarch64(s); | ||
| 51 | #elif ARCH_X86 && HAVE_X86ASM | ||
| 52 | 14 | ff_bitpacked_init_x86(s); | |
| 53 | #endif | ||
| 54 | 14 | } | |
| 55 | |||
| 56 | #endif /* AVCODEC_BITPACKED_DEC_INIT_H */ | ||
| 57 |