LCOV - code coverage report
Current view: top level - libavformat - idroqenc.c (source / functions) Hit Total Coverage
Test: coverage.info Lines: 12 17 70.6 %
Date: 2017-12-16 21:16:39 Functions: 1 1 100.0 %

          Line data    Source code
       1             : /*
       2             :  * id RoQ (.roq) File muxer
       3             :  * Copyright (c) 2007 Vitor Sessak
       4             :  *
       5             :  * This file is part of FFmpeg.
       6             :  *
       7             :  * FFmpeg is free software; you can redistribute it and/or
       8             :  * modify it under the terms of the GNU Lesser General Public
       9             :  * License as published by the Free Software Foundation; either
      10             :  * version 2.1 of the License, or (at your option) any later version.
      11             :  *
      12             :  * FFmpeg is distributed in the hope that it will be useful,
      13             :  * but WITHOUT ANY WARRANTY; without even the implied warranty of
      14             :  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      15             :  * Lesser General Public License for more details.
      16             :  *
      17             :  * You should have received a copy of the GNU Lesser General Public
      18             :  * License along with FFmpeg; if not, write to the Free Software
      19             :  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
      20             :  */
      21             : 
      22             : #include "avformat.h"
      23             : #include "rawenc.h"
      24             : 
      25             : 
      26           5 : static int roq_write_header(struct AVFormatContext *s)
      27             : {
      28           5 :     uint8_t header[] = {
      29             :         0x84, 0x10, 0xFF, 0xFF, 0xFF, 0xFF, /* fps: */ 0x1E, 0x00
      30             :     };
      31             :     int n;
      32             : 
      33             : // set the actual fps
      34           6 :     for(n=0;n<s->nb_streams;n++) {
      35           5 :         if (s->streams[n]->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) {
      36             :             unsigned int fps;
      37             : 
      38           4 :             if (s->streams[n]->avg_frame_rate.den != 1) {
      39           0 :                 av_log(s, AV_LOG_ERROR, "Frame rate must be integer\n");
      40           0 :                 return AVERROR(EINVAL);
      41             :             }
      42             : 
      43           4 :             if ((fps=s->streams[n]->avg_frame_rate.num) > 255) {
      44           0 :                 av_log(s, AV_LOG_ERROR, "Frame rate may not exceed 255fps\n");
      45           0 :                 return AVERROR(EINVAL);
      46             :             }
      47             : 
      48           4 :             if (fps != 30) {
      49           0 :                 av_log(s, AV_LOG_WARNING, "For vintage compatibility fps must be 30\n");
      50             :             }
      51             : 
      52           4 :             header[6] = fps;
      53           4 :             break;
      54             :         }
      55             :     }
      56             : 
      57           5 :     avio_write(s->pb, header, 8);
      58           5 :     avio_flush(s->pb);
      59             : 
      60           5 :     return 0;
      61             : }
      62             : 
      63             : AVOutputFormat ff_roq_muxer = {
      64             :     .name         = "roq",
      65             :     .long_name    = NULL_IF_CONFIG_SMALL("raw id RoQ"),
      66             :     .extensions   = "roq",
      67             :     .audio_codec  = AV_CODEC_ID_ROQ_DPCM,
      68             :     .video_codec  = AV_CODEC_ID_ROQ,
      69             :     .write_header = roq_write_header,
      70             :     .write_packet = ff_raw_write_packet,
      71             : };

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