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 |
2/2✓ Branch 0 taken 4996910 times.
✓ Branch 1 taken 90523 times.
|
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 | 40 | static av_unused av_cold void ff_v210dec_init(V210DecContext *s) | |
55 | { | ||
56 | 40 | s->unpack_frame = v210_planar_unpack_c; | |
57 | #if ARCH_X86 | ||
58 | 40 | ff_v210_x86_init(s); | |
59 | #endif | ||
60 | 40 | } | |
61 | |||
62 | #endif /* AVCODEC_V210DEC_INIT_H */ | ||
63 |