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4349 | Serge | 1 | /* |
2 | * This file is part of FFmpeg. |
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3 | * |
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4 | * FFmpeg is free software; you can redistribute it and/or |
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5 | * modify it under the terms of the GNU Lesser General Public |
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6 | * License as published by the Free Software Foundation; either |
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7 | * version 2.1 of the License, or (at your option) any later version. |
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8 | * |
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9 | * FFmpeg is distributed in the hope that it will be useful, |
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10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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12 | * Lesser General Public License for more details. |
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13 | * |
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14 | * You should have received a copy of the GNU Lesser General Public |
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15 | * License along with FFmpeg; if not, write to the Free Software |
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16 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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17 | */ |
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18 | |||
19 | #include "v4l2-common.h" |
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20 | |||
21 | const struct fmt_map avpriv_fmt_conversion_table[] = { |
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22 | //ff_fmt codec_id v4l2_fmt |
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23 | { AV_PIX_FMT_YUV420P, AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_YUV420 }, |
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24 | { AV_PIX_FMT_YUV420P, AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_YVU420 }, |
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25 | { AV_PIX_FMT_YUV422P, AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_YUV422P }, |
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26 | { AV_PIX_FMT_YUYV422, AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_YUYV }, |
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27 | { AV_PIX_FMT_UYVY422, AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_UYVY }, |
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28 | { AV_PIX_FMT_YUV411P, AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_YUV411P }, |
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29 | { AV_PIX_FMT_YUV410P, AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_YUV410 }, |
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30 | { AV_PIX_FMT_YUV410P, AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_YVU410 }, |
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31 | { AV_PIX_FMT_RGB555LE,AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_RGB555 }, |
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32 | { AV_PIX_FMT_RGB555BE,AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_RGB555X }, |
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33 | { AV_PIX_FMT_RGB565LE,AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_RGB565 }, |
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34 | { AV_PIX_FMT_RGB565BE,AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_RGB565X }, |
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35 | { AV_PIX_FMT_BGR24, AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_BGR24 }, |
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36 | { AV_PIX_FMT_RGB24, AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_RGB24 }, |
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37 | { AV_PIX_FMT_BGR0, AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_BGR32 }, |
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38 | { AV_PIX_FMT_0RGB, AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_RGB32 }, |
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39 | { AV_PIX_FMT_GRAY8, AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_GREY }, |
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40 | #ifdef V4L2_PIX_FMT_Y16 |
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41 | { AV_PIX_FMT_GRAY16LE,AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_Y16 }, |
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42 | #endif |
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43 | { AV_PIX_FMT_NV12, AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_NV12 }, |
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44 | { AV_PIX_FMT_NONE, AV_CODEC_ID_MJPEG, V4L2_PIX_FMT_MJPEG }, |
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45 | { AV_PIX_FMT_NONE, AV_CODEC_ID_MJPEG, V4L2_PIX_FMT_JPEG }, |
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46 | #ifdef V4L2_PIX_FMT_H264 |
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47 | { AV_PIX_FMT_NONE, AV_CODEC_ID_H264, V4L2_PIX_FMT_H264 }, |
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48 | #endif |
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49 | #ifdef V4L2_PIX_FMT_CPIA1 |
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50 | { AV_PIX_FMT_NONE, AV_CODEC_ID_CPIA, V4L2_PIX_FMT_CPIA1 }, |
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51 | #endif |
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52 | { AV_PIX_FMT_NONE, AV_CODEC_ID_NONE, 0 }, |
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53 | }; |
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54 | |||
55 | uint32_t avpriv_fmt_ff2v4l(enum AVPixelFormat pix_fmt, enum AVCodecID codec_id) |
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56 | { |
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57 | int i; |
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58 | |||
59 | for (i = 0; avpriv_fmt_conversion_table[i].codec_id != AV_CODEC_ID_NONE; i++) { |
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60 | if ((codec_id == AV_CODEC_ID_NONE || |
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61 | avpriv_fmt_conversion_table[i].codec_id == codec_id) && |
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62 | (pix_fmt == AV_PIX_FMT_NONE || |
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63 | avpriv_fmt_conversion_table[i].ff_fmt == pix_fmt)) { |
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64 | return avpriv_fmt_conversion_table[i].v4l2_fmt; |
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65 | } |
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66 | } |
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67 | |||
68 | return 0; |
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69 | } |
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70 | |||
71 | enum AVPixelFormat avpriv_fmt_v4l2ff(uint32_t v4l2_fmt, enum AVCodecID codec_id) |
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72 | { |
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73 | int i; |
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74 | |||
75 | for (i = 0; avpriv_fmt_conversion_table[i].codec_id != AV_CODEC_ID_NONE; i++) { |
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76 | if (avpriv_fmt_conversion_table[i].v4l2_fmt == v4l2_fmt && |
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77 | avpriv_fmt_conversion_table[i].codec_id == codec_id) { |
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78 | return avpriv_fmt_conversion_table[i].ff_fmt; |
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79 | } |
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80 | } |
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81 | |||
82 | return AV_PIX_FMT_NONE; |
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83 | } |
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84 | |||
85 | enum AVCodecID avpriv_fmt_v4l2codec(uint32_t v4l2_fmt) |
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86 | { |
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87 | int i; |
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88 | |||
89 | for (i = 0; avpriv_fmt_conversion_table[i].codec_id != AV_CODEC_ID_NONE; i++) { |
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90 | if (avpriv_fmt_conversion_table[i].v4l2_fmt == v4l2_fmt) { |
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91 | return avpriv_fmt_conversion_table[i].codec_id; |
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92 | } |
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93 | } |
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94 | |||
95 | return AV_CODEC_ID_NONE; |
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96 | } |