LCOV - code coverage report
Current view: top level - src/libavdevice - v4l2-common.c (source / functions) Hit Total Coverage
Test: coverage.info Lines: 0 19 0.0 %
Date: 2017-01-19 23:52:33 Functions: 0 3 0.0 %

          Line data    Source code
       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           0 : uint32_t ff_fmt_ff2v4l(enum AVPixelFormat pix_fmt, enum AVCodecID codec_id)
      65             : {
      66             :     int i;
      67             : 
      68           0 :     for (i = 0; ff_fmt_conversion_table[i].codec_id != AV_CODEC_ID_NONE; i++) {
      69           0 :         if ((codec_id == AV_CODEC_ID_NONE ||
      70           0 :              ff_fmt_conversion_table[i].codec_id == codec_id) &&
      71           0 :             (pix_fmt == AV_PIX_FMT_NONE ||
      72           0 :              ff_fmt_conversion_table[i].ff_fmt == pix_fmt)) {
      73           0 :             return ff_fmt_conversion_table[i].v4l2_fmt;
      74             :         }
      75             :     }
      76             : 
      77           0 :     return 0;
      78             : }
      79             : 
      80           0 : enum AVPixelFormat ff_fmt_v4l2ff(uint32_t v4l2_fmt, enum AVCodecID codec_id)
      81             : {
      82             :     int i;
      83             : 
      84           0 :     for (i = 0; ff_fmt_conversion_table[i].codec_id != AV_CODEC_ID_NONE; i++) {
      85           0 :         if (ff_fmt_conversion_table[i].v4l2_fmt == v4l2_fmt &&
      86           0 :             ff_fmt_conversion_table[i].codec_id == codec_id) {
      87           0 :             return ff_fmt_conversion_table[i].ff_fmt;
      88             :         }
      89             :     }
      90             : 
      91           0 :     return AV_PIX_FMT_NONE;
      92             : }
      93             : 
      94           0 : enum AVCodecID ff_fmt_v4l2codec(uint32_t v4l2_fmt)
      95             : {
      96             :     int i;
      97             : 
      98           0 :     for (i = 0; ff_fmt_conversion_table[i].codec_id != AV_CODEC_ID_NONE; i++) {
      99           0 :         if (ff_fmt_conversion_table[i].v4l2_fmt == v4l2_fmt) {
     100           0 :             return ff_fmt_conversion_table[i].codec_id;
     101             :         }
     102             :     }
     103             : 
     104           0 :     return AV_CODEC_ID_NONE;
     105             : }

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