LCOV - code coverage report
Current view: top level - libavdevice - v4l2-common.c (source / functions) Hit Total Coverage
Test: coverage.info Lines: 0 19 0.0 %
Date: 2018-05-20 11:54:08 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             : #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             :     { AV_PIX_FMT_NV12,    AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_NV12    },
      50             :     { AV_PIX_FMT_NONE,    AV_CODEC_ID_MJPEG,    V4L2_PIX_FMT_MJPEG   },
      51             :     { AV_PIX_FMT_NONE,    AV_CODEC_ID_MJPEG,    V4L2_PIX_FMT_JPEG    },
      52             : #ifdef V4L2_PIX_FMT_H264
      53             :     { AV_PIX_FMT_NONE,    AV_CODEC_ID_H264,     V4L2_PIX_FMT_H264    },
      54             : #endif
      55             : #ifdef V4L2_PIX_FMT_MPEG4
      56             :     { AV_PIX_FMT_NONE,    AV_CODEC_ID_MPEG4,    V4L2_PIX_FMT_MPEG4   },
      57             : #endif
      58             : #ifdef V4L2_PIX_FMT_CPIA1
      59             :     { AV_PIX_FMT_NONE,    AV_CODEC_ID_CPIA,     V4L2_PIX_FMT_CPIA1   },
      60             : #endif
      61             : #ifdef V4L2_PIX_FMT_SRGGB8
      62             :     { AV_PIX_FMT_BAYER_BGGR8, AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_SBGGR8 },
      63             :     { AV_PIX_FMT_BAYER_GBRG8, AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_SGBRG8 },
      64             :     { AV_PIX_FMT_BAYER_GRBG8, AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_SGRBG8 },
      65             :     { AV_PIX_FMT_BAYER_RGGB8, AV_CODEC_ID_RAWVIDEO, V4L2_PIX_FMT_SRGGB8 },
      66             : #endif
      67             :     { AV_PIX_FMT_NONE,    AV_CODEC_ID_NONE,     0                    },
      68             : };
      69             : 
      70           0 : uint32_t ff_fmt_ff2v4l(enum AVPixelFormat pix_fmt, enum AVCodecID codec_id)
      71             : {
      72             :     int i;
      73             : 
      74           0 :     for (i = 0; ff_fmt_conversion_table[i].codec_id != AV_CODEC_ID_NONE; i++) {
      75           0 :         if ((codec_id == AV_CODEC_ID_NONE ||
      76           0 :              ff_fmt_conversion_table[i].codec_id == codec_id) &&
      77           0 :             (pix_fmt == AV_PIX_FMT_NONE ||
      78           0 :              ff_fmt_conversion_table[i].ff_fmt == pix_fmt)) {
      79           0 :             return ff_fmt_conversion_table[i].v4l2_fmt;
      80             :         }
      81             :     }
      82             : 
      83           0 :     return 0;
      84             : }
      85             : 
      86           0 : enum AVPixelFormat ff_fmt_v4l2ff(uint32_t v4l2_fmt, enum AVCodecID codec_id)
      87             : {
      88             :     int i;
      89             : 
      90           0 :     for (i = 0; ff_fmt_conversion_table[i].codec_id != AV_CODEC_ID_NONE; i++) {
      91           0 :         if (ff_fmt_conversion_table[i].v4l2_fmt == v4l2_fmt &&
      92           0 :             ff_fmt_conversion_table[i].codec_id == codec_id) {
      93           0 :             return ff_fmt_conversion_table[i].ff_fmt;
      94             :         }
      95             :     }
      96             : 
      97           0 :     return AV_PIX_FMT_NONE;
      98             : }
      99             : 
     100           0 : enum AVCodecID ff_fmt_v4l2codec(uint32_t v4l2_fmt)
     101             : {
     102             :     int i;
     103             : 
     104           0 :     for (i = 0; ff_fmt_conversion_table[i].codec_id != AV_CODEC_ID_NONE; i++) {
     105           0 :         if (ff_fmt_conversion_table[i].v4l2_fmt == v4l2_fmt) {
     106           0 :             return ff_fmt_conversion_table[i].codec_id;
     107             :         }
     108             :     }
     109             : 
     110           0 :     return AV_CODEC_ID_NONE;
     111             : }

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