LCOV - code coverage report
Current view: top level - src/libavformat - dauddec.c (source / functions) Hit Total Coverage
Test: coverage.info Lines: 22 23 95.7 %
Date: 2017-04-23 07:57:23 Functions: 2 2 100.0 %

          Line data    Source code
       1             : /*
       2             :  * D-Cinema audio demuxer
       3             :  * Copyright (c) 2005 Reimar Döffinger
       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 "libavutil/channel_layout.h"
      23             : #include "avformat.h"
      24             : 
      25           2 : static int daud_header(AVFormatContext *s) {
      26           2 :     AVStream *st = avformat_new_stream(s, NULL);
      27           2 :     if (!st)
      28           0 :         return AVERROR(ENOMEM);
      29           2 :     st->codecpar->codec_type = AVMEDIA_TYPE_AUDIO;
      30           2 :     st->codecpar->codec_id = AV_CODEC_ID_PCM_S24DAUD;
      31           2 :     st->codecpar->codec_tag = MKTAG('d', 'a', 'u', 'd');
      32           2 :     st->codecpar->channels = 6;
      33           2 :     st->codecpar->channel_layout = AV_CH_LAYOUT_5POINT1;
      34           2 :     st->codecpar->sample_rate = 96000;
      35           2 :     st->codecpar->bit_rate = 3 * 6 * 96000 * 8;
      36           2 :     st->codecpar->block_align = 3 * 6;
      37           2 :     st->codecpar->bits_per_coded_sample = 24;
      38           2 :     return 0;
      39             : }
      40             : 
      41          28 : static int daud_packet(AVFormatContext *s, AVPacket *pkt) {
      42          28 :     AVIOContext *pb = s->pb;
      43             :     int ret, size;
      44          28 :     if (avio_feof(pb))
      45           3 :         return AVERROR(EIO);
      46          25 :     size = avio_rb16(pb);
      47          25 :     avio_rb16(pb); // unknown
      48          25 :     ret = av_get_packet(pb, pkt, size);
      49          25 :     pkt->stream_index = 0;
      50          25 :     return ret;
      51             : }
      52             : 
      53             : AVInputFormat ff_daud_demuxer = {
      54             :     .name           = "daud",
      55             :     .long_name      = NULL_IF_CONFIG_SMALL("D-Cinema audio"),
      56             :     .read_header    = daud_header,
      57             :     .read_packet    = daud_packet,
      58             :     .extensions     = "302,daud",
      59             : };

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