blob: 196c09b7fc85a65fe76231a01ffe523c116d0eac
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 | { AV_PIX_FMT_BGR0, AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_BGR32 }, |
38 | { AV_PIX_FMT_0RGB, AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_RGB32 }, |
39 | { AV_PIX_FMT_GRAY8, AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_GREY }, |
40 | #ifdef V4L2_PIX_FMT_Y16 |
41 | { AV_PIX_FMT_GRAY16LE,AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_Y16 }, |
42 | #endif |
43 | { AV_PIX_FMT_NV12, AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_NV12 }, |
44 | { AV_PIX_FMT_NONE, AV_CODEC_ID_MJPEG, V4L2_PIX_FMT_MJPEG }, |
45 | { AV_PIX_FMT_NONE, AV_CODEC_ID_MJPEG, V4L2_PIX_FMT_JPEG }, |
46 | #ifdef V4L2_PIX_FMT_H264 |
47 | { AV_PIX_FMT_NONE, AV_CODEC_ID_H264, V4L2_PIX_FMT_H264 }, |
48 | #endif |
49 | #ifdef V4L2_PIX_FMT_MPEG4 |
50 | { AV_PIX_FMT_NONE, AV_CODEC_ID_MPEG4, V4L2_PIX_FMT_MPEG4 }, |
51 | #endif |
52 | #ifdef V4L2_PIX_FMT_CPIA1 |
53 | { AV_PIX_FMT_NONE, AV_CODEC_ID_CPIA, V4L2_PIX_FMT_CPIA1 }, |
54 | #endif |
55 | #ifdef V4L2_PIX_FMT_SRGGB8 |
56 | { AV_PIX_FMT_BAYER_BGGR8, AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_SBGGR8 }, |
57 | { AV_PIX_FMT_BAYER_GBRG8, AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_SGBRG8 }, |
58 | { AV_PIX_FMT_BAYER_GRBG8, AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_SGRBG8 }, |
59 | { AV_PIX_FMT_BAYER_RGGB8, AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_SRGGB8 }, |
60 | #endif |
61 | { AV_PIX_FMT_NONE, AV_CODEC_ID_NONE, 0 }, |
62 | }; |
63 | |
64 | uint32_t ff_fmt_ff2v4l(enum AVPixelFormat pix_fmt, enum AVCodecID codec_id) |
65 | { |
66 | int i; |
67 | |
68 | for (i = 0; ff_fmt_conversion_table[i].codec_id != AV_CODEC_ID_NONE; i++) { |
69 | if ((codec_id == AV_CODEC_ID_NONE || |
70 | ff_fmt_conversion_table[i].codec_id == codec_id) && |
71 | (pix_fmt == AV_PIX_FMT_NONE || |
72 | ff_fmt_conversion_table[i].ff_fmt == pix_fmt)) { |
73 | return ff_fmt_conversion_table[i].v4l2_fmt; |
74 | } |
75 | } |
76 | |
77 | return 0; |
78 | } |
79 | |
80 | enum AVPixelFormat ff_fmt_v4l2ff(uint32_t v4l2_fmt, enum AVCodecID codec_id) |
81 | { |
82 | int i; |
83 | |
84 | for (i = 0; ff_fmt_conversion_table[i].codec_id != AV_CODEC_ID_NONE; i++) { |
85 | if (ff_fmt_conversion_table[i].v4l2_fmt == v4l2_fmt && |
86 | ff_fmt_conversion_table[i].codec_id == codec_id) { |
87 | return ff_fmt_conversion_table[i].ff_fmt; |
88 | } |
89 | } |
90 | |
91 | return AV_PIX_FMT_NONE; |
92 | } |
93 | |
94 | enum AVCodecID ff_fmt_v4l2codec(uint32_t v4l2_fmt) |
95 | { |
96 | int i; |
97 | |
98 | for (i = 0; ff_fmt_conversion_table[i].codec_id != AV_CODEC_ID_NONE; i++) { |
99 | if (ff_fmt_conversion_table[i].v4l2_fmt == v4l2_fmt) { |
100 | return ff_fmt_conversion_table[i].codec_id; |
101 | } |
102 | } |
103 | |
104 | return AV_CODEC_ID_NONE; |
105 | } |
106 |