FFmpeg coverage


Directory: ../../../ffmpeg/
File: src/libavcodec/v410enc.c
Date: 2021-09-23 20:34:37
Exec Total Coverage
Lines: 25 28 89.3%
Branches: 6 8 75.0%

Line Branch Exec Source
1 /*
2 * v410 encoder
3 *
4 * Copyright (c) 2011 Derek Buitenhuis
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 #include "libavutil/common.h"
24 #include "libavutil/intreadwrite.h"
25 #include "avcodec.h"
26 #include "encode.h"
27 #include "internal.h"
28
29 1 static av_cold int v410_encode_init(AVCodecContext *avctx)
30 {
31
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1 if (avctx->width & 1) {
32 av_log(avctx, AV_LOG_ERROR, "v410 requires width to be even.\n");
33 return AVERROR_INVALIDDATA;
34 }
35
36 1 avctx->bits_per_coded_sample = 32;
37 1 avctx->bit_rate = ff_guess_coded_bitrate(avctx);
38
39 1 return 0;
40 }
41
42 50 static int v410_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
43 const AVFrame *pic, int *got_packet)
44 {
45 uint8_t *dst;
46 uint16_t *y, *u, *v;
47 uint32_t val;
48 int i, j, ret;
49
50 50 ret = ff_get_encode_buffer(avctx, pkt, avctx->width * avctx->height * 4, 0);
51
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50 if (ret < 0)
52 return ret;
53 50 dst = pkt->data;
54
55 50 y = (uint16_t *)pic->data[0];
56 50 u = (uint16_t *)pic->data[1];
57 50 v = (uint16_t *)pic->data[2];
58
59
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14450 for (i = 0; i < avctx->height; i++) {
60
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5083200 for (j = 0; j < avctx->width; j++) {
61 5068800 val = u[j] << 2;
62 5068800 val |= y[j] << 12;
63 5068800 val |= (uint32_t) v[j] << 22;
64 5068800 AV_WL32(dst, val);
65 5068800 dst += 4;
66 }
67 14400 y += pic->linesize[0] >> 1;
68 14400 u += pic->linesize[1] >> 1;
69 14400 v += pic->linesize[2] >> 1;
70 }
71
72 50 pkt->flags |= AV_PKT_FLAG_KEY;
73 50 *got_packet = 1;
74 50 return 0;
75 }
76
77 const AVCodec ff_v410_encoder = {
78 .name = "v410",
79 .long_name = NULL_IF_CONFIG_SMALL("Uncompressed 4:4:4 10-bit"),
80 .type = AVMEDIA_TYPE_VIDEO,
81 .id = AV_CODEC_ID_V410,
82 .capabilities = AV_CODEC_CAP_DR1,
83 .init = v410_encode_init,
84 .encode2 = v410_encode_frame,
85 .pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_YUV444P10, AV_PIX_FMT_NONE },
86 .caps_internal = FF_CODEC_CAP_INIT_THREADSAFE,
87 };
88