FFmpeg coverage


Directory: ../../../ffmpeg/
File: src/libavcodec/r210enc.c
Date: 2021-09-23 20:34:37
Exec Total Coverage
Lines: 35 38 92.1%
Branches: 12 20 60.0%

Line Branch Exec Source
1 /*
2 * R210 encoder
3 *
4 * Copyright (c) 2012 Paul B Mahol
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 "avcodec.h"
24 #include "encode.h"
25 #include "internal.h"
26 #include "bytestream.h"
27
28 4 static av_cold int encode_init(AVCodecContext *avctx)
29 {
30
2/4
✗ Branch 0 not taken.
✓ Branch 1 taken 4 times.
✗ Branch 2 not taken.
✓ Branch 3 taken 4 times.
4 int aligned_width = FFALIGN(avctx->width,
31 avctx->codec_id == AV_CODEC_ID_R10K ? 1 : 64);
32
33 4 avctx->bits_per_coded_sample = 32;
34
1/2
✓ Branch 0 taken 4 times.
✗ Branch 1 not taken.
4 if (avctx->width > 0)
35 4 avctx->bit_rate = ff_guess_coded_bitrate(avctx) * aligned_width / avctx->width;
36
37 4 return 0;
38 }
39
40 200 static int encode_frame(AVCodecContext *avctx, AVPacket *pkt,
41 const AVFrame *pic, int *got_packet)
42 {
43 int i, j, ret;
44
2/4
✗ Branch 0 not taken.
✓ Branch 1 taken 200 times.
✗ Branch 2 not taken.
✓ Branch 3 taken 200 times.
200 int aligned_width = FFALIGN(avctx->width,
45 avctx->codec_id == AV_CODEC_ID_R10K ? 1 : 64);
46 200 int pad = (aligned_width - avctx->width) * 4;
47 uint8_t *srcr_line, *srcg_line, *srcb_line;
48 uint8_t *dst;
49
50 200 ret = ff_get_encode_buffer(avctx, pkt, 4 * aligned_width * avctx->height, 0);
51
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 200 times.
200 if (ret < 0)
52 return ret;
53
54 200 srcg_line = pic->data[0];
55 200 srcb_line = pic->data[1];
56 200 srcr_line = pic->data[2];
57 200 dst = pkt->data;
58
59
2/2
✓ Branch 0 taken 44900 times.
✓ Branch 1 taken 200 times.
45100 for (i = 0; i < avctx->height; i++) {
60 44900 uint16_t *srcr = (uint16_t *)srcr_line;
61 44900 uint16_t *srcg = (uint16_t *)srcg_line;
62 44900 uint16_t *srcb = (uint16_t *)srcb_line;
63
2/2
✓ Branch 0 taken 15264200 times.
✓ Branch 1 taken 44900 times.
15309100 for (j = 0; j < avctx->width; j++) {
64 uint32_t pixel;
65 15264200 unsigned r = *srcr++;
66 15264200 unsigned g = *srcg++;
67 15264200 unsigned b = *srcb++;
68
1/2
✓ Branch 0 taken 15264200 times.
✗ Branch 1 not taken.
15264200 if (avctx->codec_id == AV_CODEC_ID_R210)
69 15264200 pixel = (r << 20) | (g << 10) | b;
70 else
71 pixel = (r << 22) | (g << 12) | (b << 2);
72
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 15264200 times.
15264200 if (avctx->codec_id == AV_CODEC_ID_AVRP)
73 bytestream_put_le32(&dst, pixel);
74 else
75 15264200 bytestream_put_be32(&dst, pixel);
76 }
77 44900 memset(dst, 0, pad);
78 44900 dst += pad;
79 44900 srcr_line += pic->linesize[2];
80 44900 srcg_line += pic->linesize[0];
81 44900 srcb_line += pic->linesize[1];
82 }
83
84 200 pkt->flags |= AV_PKT_FLAG_KEY;
85 200 *got_packet = 1;
86 200 return 0;
87 }
88
89 static const enum AVPixelFormat pix_fmt[] = { AV_PIX_FMT_GBRP10, AV_PIX_FMT_NONE };
90
91 #if CONFIG_R210_ENCODER
92 const AVCodec ff_r210_encoder = {
93 .name = "r210",
94 .long_name = NULL_IF_CONFIG_SMALL("Uncompressed RGB 10-bit"),
95 .type = AVMEDIA_TYPE_VIDEO,
96 .id = AV_CODEC_ID_R210,
97 .capabilities = AV_CODEC_CAP_DR1,
98 .init = encode_init,
99 .encode2 = encode_frame,
100 .pix_fmts = pix_fmt,
101 .caps_internal = FF_CODEC_CAP_INIT_THREADSAFE,
102 };
103 #endif
104 #if CONFIG_R10K_ENCODER
105 const AVCodec ff_r10k_encoder = {
106 .name = "r10k",
107 .long_name = NULL_IF_CONFIG_SMALL("AJA Kona 10-bit RGB Codec"),
108 .type = AVMEDIA_TYPE_VIDEO,
109 .id = AV_CODEC_ID_R10K,
110 .capabilities = AV_CODEC_CAP_DR1,
111 .init = encode_init,
112 .encode2 = encode_frame,
113 .pix_fmts = pix_fmt,
114 .caps_internal = FF_CODEC_CAP_INIT_THREADSAFE,
115 };
116 #endif
117 #if CONFIG_AVRP_ENCODER
118 const AVCodec ff_avrp_encoder = {
119 .name = "avrp",
120 .long_name = NULL_IF_CONFIG_SMALL("Avid 1:1 10-bit RGB Packer"),
121 .type = AVMEDIA_TYPE_VIDEO,
122 .id = AV_CODEC_ID_AVRP,
123 .capabilities = AV_CODEC_CAP_DR1,
124 .init = encode_init,
125 .encode2 = encode_frame,
126 .pix_fmts = pix_fmt,
127 .caps_internal = FF_CODEC_CAP_INIT_THREADSAFE,
128 };
129 #endif
130