LCOV - code coverage report
Current view: top level - src/libavformat - dnxhddec.c (source / functions) Hit Total Coverage
Test: coverage.info Lines: 12 14 85.7 %
Date: 2017-09-22 00:04:37 Functions: 1 1 100.0 %

          Line data    Source code
       1             : /*
       2             :  * RAW DNxHD (SMPTE VC-3) demuxer
       3             :  * Copyright (c) 2008 Baptiste Coudurier <baptiste.coudurier@gmail.com>
       4             :  * Copyright (c) 2009 Reimar Döffinger <Reimar.Doeffinger@gmx.de>
       5             :  *
       6             :  * This file is part of FFmpeg.
       7             :  *
       8             :  * FFmpeg is free software; you can redistribute it and/or
       9             :  * modify it under the terms of the GNU Lesser General Public
      10             :  * License as published by the Free Software Foundation; either
      11             :  * version 2.1 of the License, or (at your option) any later version.
      12             :  *
      13             :  * FFmpeg is distributed in the hope that it will be useful,
      14             :  * but WITHOUT ANY WARRANTY; without even the implied warranty of
      15             :  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      16             :  * Lesser General Public License for more details.
      17             :  *
      18             :  * You should have received a copy of the GNU Lesser General Public
      19             :  * License along with FFmpeg; if not, write to the Free Software
      20             :  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
      21             :  */
      22             : 
      23             : #include "libavutil/intreadwrite.h"
      24             : #include "avformat.h"
      25             : #include "rawdec.h"
      26             : #include "libavcodec/dnxhddata.h"
      27             : 
      28        6034 : static int dnxhd_probe(AVProbeData *p)
      29             : {
      30             :     int w, h, compression_id;
      31        6034 :     if (p->buf_size < 0x2c)
      32           1 :         return 0;
      33        6033 :     if (ff_dnxhd_parse_header_prefix(p->buf) == 0)
      34        5987 :         return 0;
      35          46 :     h = AV_RB16(p->buf + 0x18);
      36          46 :     w = AV_RB16(p->buf + 0x1a);
      37          46 :     if (!w || !h)
      38           0 :         return 0;
      39          46 :     compression_id = AV_RB32(p->buf + 0x28);
      40          46 :     if ((compression_id < 1235 || compression_id > 1260) &&
      41          35 :         (compression_id < 1270 || compression_id > 1274))
      42           0 :         return 0;
      43          46 :     return AVPROBE_SCORE_MAX;
      44             : }
      45             : 
      46             : FF_DEF_RAWVIDEO_DEMUXER(dnxhd, "raw DNxHD (SMPTE VC-3)", dnxhd_probe, NULL, AV_CODEC_ID_DNXHD)

Generated by: LCOV version 1.13