src/add-ons/media/plugins/aiff_reader/aiff_reader.h

   1 /*
   2  * Copyright (c) 2003-2004, 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 _AIFF_READER_H
  26 #define _AIFF_READER_H
  27
  28 #include "ReaderPlugin.h"
  29 #include "aiff.h"
  30
  31 class aiffReader : public Reader
  32 {
  33 public:
  34                                 aiffReader();
  35                                 ~aiffReader();
  36
  37         const char *Copyright();
  38
  39         status_t        Sniff(int32 *streamCount);
  40
  41         void            GetFileFormatInfo(media_file_format *mff);
  42
  43         status_t        AllocateCookie(int32 streamNumber, void **cookie);
  44         status_t        FreeCookie(void *cookie);
  45
  46         status_t        GetStreamInfo(void *cookie, int64 *frameCount, bigtime_t *duration,
  47                                                           media_format *format, const void **infoBuffer, size_t *infoSize);
  48
  49         status_t        Seek(void *cookie,
  50                                          uint32 seekTo,
  51                                          int64 *frame, bigtime_t *time);
  52
  53         status_t        GetNextChunk(void *cookie,
  54                                                          const void **chunkBuffer, size_t *chunkSize,
  55                                                          media_header *mediaHeader);
  56 private:
  57         uint32          DecodeFrameRate(const void *_80bit_float);
  58
  59         BPositionIO *Source() { return fSource; }
  60
  61 private:
  62         BPositionIO *   fSource;
  63
  64         media_format    fFormat;
  65         int64                   fDataStart;
  66         int64                   fDataSize;
  67
  68         int64                   fFrameCount;
  69         bigtime_t               fDuration;
  70
  71         bool                    fRaw;
  72
  73         int64                   fPosition;
  74
  75         int                             fChannelCount;
  76         int32                   fFrameRate;
  77         int                             fValidBitsPerSample;
  78         int                             fBytesPerSample;
  79         int                             fBytesPerFrame;
  80         uint32                  fFormatCode;
  81
  82         void *                  fBuffer;
  83         int32                   fBufferSize;
  84 };
  85
  86
  87 class aiffReaderPlugin : public ReaderPlugin
  88 {
  89 public:
  90         Reader *NewReader();
  91 };
  92
  93 MediaPlugin *instantiate_plugin();
  94
  95 #endif