FFmpeg coverage


Directory: ../../../ffmpeg/
File: src/libavdevice/v4l2-common.c
Date: 2022-12-06 04:36:11
Exec Total Coverage
Lines: 0 19 0.0%
Functions: 0 3 0.0%
Branches: 0 20 0.0%

Line Branch Exec Source
1 /*
2 * This file is part of FFmpeg.
3 *
4 * FFmpeg is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
8 *
9 * FFmpeg is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
13 *
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with FFmpeg; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17 */
18
19 #include "v4l2-common.h"
20
21 const struct fmt_map ff_fmt_conversion_table[] = {
22 //ff_fmt codec_id v4l2_fmt
23 { AV_PIX_FMT_YUV420P, AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_YUV420 },
24 { AV_PIX_FMT_YUV420P, AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_YVU420 },
25 { AV_PIX_FMT_YUV422P, AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_YUV422P },
26 { AV_PIX_FMT_YUYV422, AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_YUYV },
27 { AV_PIX_FMT_UYVY422, AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_UYVY },
28 { AV_PIX_FMT_YUV411P, AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_YUV411P },
29 { AV_PIX_FMT_YUV410P, AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_YUV410 },
30 { AV_PIX_FMT_YUV410P, AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_YVU410 },
31 { AV_PIX_FMT_RGB555LE,AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_RGB555 },
32 { AV_PIX_FMT_RGB555BE,AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_RGB555X },
33 { AV_PIX_FMT_RGB565LE,AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_RGB565 },
34 { AV_PIX_FMT_RGB565BE,AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_RGB565X },
35 { AV_PIX_FMT_BGR24, AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_BGR24 },
36 { AV_PIX_FMT_RGB24, AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_RGB24 },
37 #ifdef V4L2_PIX_FMT_XBGR32
38 { AV_PIX_FMT_BGR0, AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_XBGR32 },
39 { AV_PIX_FMT_0RGB, AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_XRGB32 },
40 { AV_PIX_FMT_BGRA, AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_ABGR32 },
41 { AV_PIX_FMT_ARGB, AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_ARGB32 },
42 #endif
43 { AV_PIX_FMT_BGR0, AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_BGR32 },
44 { AV_PIX_FMT_0RGB, AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_RGB32 },
45 { AV_PIX_FMT_GRAY8, AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_GREY },
46 #ifdef V4L2_PIX_FMT_Y16
47 { AV_PIX_FMT_GRAY16LE,AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_Y16 },
48 #endif
49 #ifdef V4L2_PIX_FMT_Z16
50 { AV_PIX_FMT_GRAY16LE,AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_Z16 },
51 #endif
52 { AV_PIX_FMT_NV12, AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_NV12 },
53 { AV_PIX_FMT_NONE, AV_CODEC_ID_MJPEG, V4L2_PIX_FMT_MJPEG },
54 { AV_PIX_FMT_NONE, AV_CODEC_ID_MJPEG, V4L2_PIX_FMT_JPEG },
55 #ifdef V4L2_PIX_FMT_H264
56 { AV_PIX_FMT_NONE, AV_CODEC_ID_H264, V4L2_PIX_FMT_H264 },
57 #endif
58 #ifdef V4L2_PIX_FMT_MPEG4
59 { AV_PIX_FMT_NONE, AV_CODEC_ID_MPEG4, V4L2_PIX_FMT_MPEG4 },
60 #endif
61 #ifdef V4L2_PIX_FMT_CPIA1
62 { AV_PIX_FMT_NONE, AV_CODEC_ID_CPIA, V4L2_PIX_FMT_CPIA1 },
63 #endif
64 #ifdef V4L2_PIX_FMT_SRGGB8
65 { AV_PIX_FMT_BAYER_BGGR8, AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_SBGGR8 },
66 { AV_PIX_FMT_BAYER_GBRG8, AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_SGBRG8 },
67 { AV_PIX_FMT_BAYER_GRBG8, AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_SGRBG8 },
68 { AV_PIX_FMT_BAYER_RGGB8, AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_SRGGB8 },
69 #endif
70 { AV_PIX_FMT_NONE, AV_CODEC_ID_NONE, 0 },
71 };
72
73 uint32_t ff_fmt_ff2v4l(enum AVPixelFormat pix_fmt, enum AVCodecID codec_id)
74 {
75 int i;
76
77 for (i = 0; ff_fmt_conversion_table[i].codec_id != AV_CODEC_ID_NONE; i++) {
78 if ((codec_id == AV_CODEC_ID_NONE ||
79 ff_fmt_conversion_table[i].codec_id == codec_id) &&
80 (pix_fmt == AV_PIX_FMT_NONE ||
81 ff_fmt_conversion_table[i].ff_fmt == pix_fmt)) {
82 return ff_fmt_conversion_table[i].v4l2_fmt;
83 }
84 }
85
86 return 0;
87 }
88
89 enum AVPixelFormat ff_fmt_v4l2ff(uint32_t v4l2_fmt, enum AVCodecID codec_id)
90 {
91 int i;
92
93 for (i = 0; ff_fmt_conversion_table[i].codec_id != AV_CODEC_ID_NONE; i++) {
94 if (ff_fmt_conversion_table[i].v4l2_fmt == v4l2_fmt &&
95 ff_fmt_conversion_table[i].codec_id == codec_id) {
96 return ff_fmt_conversion_table[i].ff_fmt;
97 }
98 }
99
100 return AV_PIX_FMT_NONE;
101 }
102
103 enum AVCodecID ff_fmt_v4l2codec(uint32_t v4l2_fmt)
104 {
105 int i;
106
107 for (i = 0; ff_fmt_conversion_table[i].codec_id != AV_CODEC_ID_NONE; i++) {
108 if (ff_fmt_conversion_table[i].v4l2_fmt == v4l2_fmt) {
109 return ff_fmt_conversion_table[i].codec_id;
110 }
111 }
112
113 return AV_CODEC_ID_NONE;
114 }
115