FFmpeg coverage


Directory: ../../../ffmpeg/
File: src/libavcodec/r210enc.c
Date: 2024-04-25 15:36:26
Exec Total Coverage
Lines: 34 37 91.9%
Functions: 2 2 100.0%
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 "config_components.h"
24
25 #include "avcodec.h"
26 #include "codec_internal.h"
27 #include "encode.h"
28 #include "internal.h"
29 #include "bytestream.h"
30
31 4 static av_cold int encode_init(AVCodecContext *avctx)
32 {
33
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4 int aligned_width = FFALIGN(avctx->width,
34 avctx->codec_id == AV_CODEC_ID_R10K ? 1 : 64);
35
36 4 avctx->bits_per_coded_sample = 32;
37
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4 if (avctx->width > 0)
38 4 avctx->bit_rate = ff_guess_coded_bitrate(avctx) * aligned_width / avctx->width;
39
40 4 return 0;
41 }
42
43 200 static int encode_frame(AVCodecContext *avctx, AVPacket *pkt,
44 const AVFrame *pic, int *got_packet)
45 {
46 int i, j, ret;
47
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200 int aligned_width = FFALIGN(avctx->width,
48 avctx->codec_id == AV_CODEC_ID_R10K ? 1 : 64);
49 200 int pad = (aligned_width - avctx->width) * 4;
50 const uint8_t *srcr_line, *srcg_line, *srcb_line;
51 uint8_t *dst;
52
53 200 ret = ff_get_encode_buffer(avctx, pkt, 4 * aligned_width * avctx->height, 0);
54
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200 if (ret < 0)
55 return ret;
56
57 200 srcg_line = pic->data[0];
58 200 srcb_line = pic->data[1];
59 200 srcr_line = pic->data[2];
60 200 dst = pkt->data;
61
62
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45100 for (i = 0; i < avctx->height; i++) {
63 44900 const uint16_t *srcr = (const uint16_t *)srcr_line;
64 44900 const uint16_t *srcg = (const uint16_t *)srcg_line;
65 44900 const uint16_t *srcb = (const uint16_t *)srcb_line;
66
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15309100 for (j = 0; j < avctx->width; j++) {
67 uint32_t pixel;
68 15264200 unsigned r = *srcr++;
69 15264200 unsigned g = *srcg++;
70 15264200 unsigned b = *srcb++;
71
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15264200 if (avctx->codec_id == AV_CODEC_ID_R210)
72 15264200 pixel = (r << 20) | (g << 10) | b;
73 else
74 pixel = (r << 22) | (g << 12) | (b << 2);
75
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15264200 if (avctx->codec_id == AV_CODEC_ID_AVRP)
76 bytestream_put_le32(&dst, pixel);
77 else
78 15264200 bytestream_put_be32(&dst, pixel);
79 }
80 44900 memset(dst, 0, pad);
81 44900 dst += pad;
82 44900 srcr_line += pic->linesize[2];
83 44900 srcg_line += pic->linesize[0];
84 44900 srcb_line += pic->linesize[1];
85 }
86
87 200 *got_packet = 1;
88 200 return 0;
89 }
90
91 static const enum AVPixelFormat pix_fmt[] = { AV_PIX_FMT_GBRP10, AV_PIX_FMT_NONE };
92
93 #if CONFIG_R210_ENCODER
94 const FFCodec ff_r210_encoder = {
95 .p.name = "r210",
96 CODEC_LONG_NAME("Uncompressed RGB 10-bit"),
97 .p.type = AVMEDIA_TYPE_VIDEO,
98 .p.id = AV_CODEC_ID_R210,
99 .p.capabilities = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_ENCODER_REORDERED_OPAQUE,
100 .init = encode_init,
101 FF_CODEC_ENCODE_CB(encode_frame),
102 .p.pix_fmts = pix_fmt,
103 };
104 #endif
105 #if CONFIG_R10K_ENCODER
106 const FFCodec ff_r10k_encoder = {
107 .p.name = "r10k",
108 CODEC_LONG_NAME("AJA Kona 10-bit RGB Codec"),
109 .p.type = AVMEDIA_TYPE_VIDEO,
110 .p.id = AV_CODEC_ID_R10K,
111 .p.capabilities = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_ENCODER_REORDERED_OPAQUE,
112 .init = encode_init,
113 FF_CODEC_ENCODE_CB(encode_frame),
114 .p.pix_fmts = pix_fmt,
115 };
116 #endif
117 #if CONFIG_AVRP_ENCODER
118 const FFCodec ff_avrp_encoder = {
119 .p.name = "avrp",
120 CODEC_LONG_NAME("Avid 1:1 10-bit RGB Packer"),
121 .p.type = AVMEDIA_TYPE_VIDEO,
122 .p.id = AV_CODEC_ID_AVRP,
123 .p.capabilities = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_ENCODER_REORDERED_OPAQUE,
124 .init = encode_init,
125 FF_CODEC_ENCODE_CB(encode_frame),
126 .p.pix_fmts = pix_fmt,
127 };
128 #endif
129