FFmpeg coverage


Directory: ../../../ffmpeg/
File: src/libavcodec/v210_template.c
Date: 2022-07-07 01:21:54
Exec Total Coverage
Lines: 39 41 95.1%
Branches: 7 10 70.0%

Line Branch Exec Source
1 /*
2 * Copyright (C) 2009 Michael Niedermayer <michaelni@gmx.at>
3 * Copyright (c) 2009 Baptiste Coudurier <baptiste dot coudurier at gmail dot com>
4 *
5 * This file is part of FFmpeg.
6 *
7 * FFmpeg is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
11 *
12 * FFmpeg is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with FFmpeg; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20 */
21
22 #include "bytestream.h"
23 #include "internal.h"
24
25 800 static void RENAME(v210_enc)(AVCodecContext *avctx,
26 uint8_t *dst, const AVFrame *pic)
27 {
28 800 V210EncContext *s = avctx->priv_data;
29 800 int aligned_width = ((avctx->width + 47) / 48) * 48;
30 800 int stride = aligned_width * 8 / 3;
31 800 int line_padding = stride - ((avctx->width * 8 + 11) / 12) * 4;
32 int h, w;
33 800 const TYPE *y = (const TYPE *)pic->data[0];
34 800 const TYPE *u = (const TYPE *)pic->data[1];
35 800 const TYPE *v = (const TYPE *)pic->data[2];
36 800 const int sample_size = 6 * s->RENAME(sample_factor);
37 800 const int sample_w = avctx->width / sample_size;
38
39
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180400 for (h = 0; h < avctx->height; h++) {
40 uint32_t val;
41 179600 w = sample_w * sample_size;
42 179600 s->RENAME(pack_line)(y, u, v, dst, w);
43
44 179600 y += w;
45 179600 u += w >> 1;
46 179600 v += w >> 1;
47 179600 dst += sample_w * 16 * s->RENAME(sample_factor);
48
49
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183000 for (; w < avctx->width - 5; w += 6) {
50 3400 WRITE_PIXELS(u, y, v, DEPTH);
51 3400 WRITE_PIXELS(y, u, y, DEPTH);
52 3400 WRITE_PIXELS(v, y, u, DEPTH);
53 3400 WRITE_PIXELS(y, v, y, DEPTH);
54 }
55
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179600 if (w < avctx->width - 1) {
56 179600 WRITE_PIXELS(u, y, v, DEPTH);
57
58 179600 val = CLIP(*y++, DEPTH) << (10-DEPTH);
59
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179600 if (w == avctx->width - 2) {
60 AV_WL32(dst, val);
61 dst += 4;
62 }
63 }
64
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179600 if (w < avctx->width - 3) {
65 179600 val |= (CLIP(*u++, DEPTH) << (20-DEPTH)) | (CLIP(*y++, DEPTH) << (30-DEPTH));
66 179600 AV_WL32(dst, val);
67 179600 dst += 4;
68
69 179600 val = CLIP(*v++, DEPTH) << (10-DEPTH) | (CLIP(*y++, DEPTH) << (20-DEPTH));
70 179600 AV_WL32(dst, val);
71 179600 dst += 4;
72 }
73
74 179600 memset(dst, 0, line_padding);
75 179600 dst += line_padding;
76 179600 y += pic->linesize[0] / BYTES_PER_PIXEL - avctx->width;
77 179600 u += pic->linesize[1] / BYTES_PER_PIXEL - avctx->width / 2;
78 179600 v += pic->linesize[2] / BYTES_PER_PIXEL - avctx->width / 2;
79 }
80 800 }
81