src/add-ons/media/plugins/matroska/matroska_reader.h

   1 /*
   2  * Copyright (c) 2004, Marcus Overhagen
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without modification,
   6  * are permitted provided that the following conditions are met:
   7  *
   8  *  * Redistributions of source code must retain the above copyright notice,
   9  *    this list of conditions and the following disclaimer.
  10  *  * Redistributions in binary form must reproduce the above copyright notice,
  11  *    this list of conditions and the following disclaimer in the documentation
  12  *    and/or other materials provided with the distribution.
  13  *
  14  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
  15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  16  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  17  * IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
  18  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
  19  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  20  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
  21  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
  22  * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
  23  * OF THE POSSIBILITY OF SUCH DAMAGE.
  24  */
  25 #ifndef _MATROSKA_READER_H
  26 #define _MATROSKA_READER_H
  27
  28 #include "ReaderPlugin.h"
  29 #include "libMatroskaParser/StreamIO.h"
  30
  31 struct mkv_cookie;
  32
  33 class mkvReader : public Reader
  34 {
  35 public:
  36                                 mkvReader();
  37                                 ~mkvReader();
  38
  39         virtual const char *Copyright();
  40
  41         virtual status_t        Sniff(int32 *streamCount);
  42
  43         virtual void            GetFileFormatInfo(media_file_format *mff);
  44
  45         virtual status_t        AllocateCookie(int32 streamNumber, void **cookie);
  46
  47         virtual status_t        FreeCookie(void *cookie);
  48
  49         virtual status_t        GetStreamInfo(void *cookie, int64 *frameCount, bigtime_t *duration,
  50                                                           media_format *format, const void **infoBuffer, size_t *infoSize);
  51
  52         virtual status_t        Seek(void *cookie, uint32 flags,
  53                                                         int64 *frame, bigtime_t *time);
  54
  55         virtual status_t        FindKeyFrame(void* cookie, uint32 flags,
  56                                                         int64* frame, bigtime_t* time);
  57
  58         virtual status_t        GetNextChunk(void *cookie,
  59                                                          const void **chunkBuffer, size_t *chunkSize,
  60                                                          media_header *mediaHeader);
  61 private:
  62         status_t        SetupVideoCookie(mkv_cookie *cookie);
  63         status_t        SetupAudioCookie(mkv_cookie *cookie);
  64         status_t        SetupTextCookie(mkv_cookie *cookie);
  65         int                     CreateFakeAACDecoderConfig(const TrackInfo *track, uint8 **fakeExtraData);
  66
  67 private:
  68         InputStream *           fInputStream;
  69         MatroskaFile *          fFile;
  70         const SegmentInfo *     fFileInfo;
  71 };
  72
  73
  74 class mkvReaderPlugin : public ReaderPlugin
  75 {
  76 public:
  77         Reader *NewReader();
  78 };
  79
  80 MediaPlugin *instantiate_plugin();
  81
  82 #endif