WebMExportStructs.h

// Copyright (c) 2010 The WebM project authors. All Rights Reserved.
//
// Use of this source code is governed by a BSD-style license
// that can be found in the LICENSE file in the root of the source
// tree. An additional intellectual property rights grant can be found
// in the file PATENTS.  All contributing project authors may
// be found in the AUTHORS file in the root of the source tree.



#ifndef _WEBM_EXPORT_STRUCTS_h_
#define _WEBM_EXPORT_STRUCTS_h_ 1

#if defined(__APPLE_CC__)
#include <QuickTime/QuickTime.h>
#else
#include <QuickTimeComponents.h>

#if defined(TARGET_OS_WIN32)
#define _WINIOCTL_
#error windows
#include <windows.h>
#endif /* TARGET_OS_WIN32 */

#endif /* __APPLE_CC__ */
#include "EbmlDataHWriter.h"
#include "WebMCommon.h"


typedef struct
{
  ComponentInstance vorbisComponentInstance;
  AudioStreamBasicDescription asbd;
  WebMBuffer buf;
} AudioStream, *AudioStreamPtr;



typedef struct
{
  ICMDecompressionSessionRef decompressionSession;
  ICMCompressionSessionRef compressionSession;
  Boolean             bTwoPass;
  UInt32              lastTimeMs;
} VideoStream, *VideoStreamPtr;

typedef struct
{
  OSType           trackType;
  StreamSource     source;
  WebMQueuedFrames frameQueue;
  UInt64 framesIn;
  UInt64 framesOut;
  Boolean complete;
  union
  {
    VideoStream vid;
    AudioStream aud;
  } ;
} GenericStream, *GenericStreamPtr;

typedef struct
{
  UInt64 loc;
  unsigned long timeVal;
  unsigned int  track;
  unsigned int blockNumber;
} WebMCuePoint;

typedef struct
{
  ComponentInstance  self;
  ComponentInstance  quickTimeMovieExporter;

  int             streamCount;
  GenericStream    **streams;  //should be either audio or video

  unsigned long   cueCount;
  Handle          cueHandle;

  MovieProgressUPP   progressProc;
  long               progressRefCon;
  Boolean            progressOpen;

  Boolean            canceled;
  Boolean            startNewCluster;
  UInt64             newClusterStartTime;

  double              framerate;
  UInt32             webmTimeCodeScale;

  /* settings */
  Boolean             bExportVideo;
  Boolean             bExportAudio;

  Boolean             bAltRefEnabled;

  AudioStreamBasicDescription audioBSD;

  //Ebml writing
  unsigned long clusterTime;
  unsigned long clusterKeyFrameTime;
  EbmlLoc clusterStart;
  unsigned int blocksInCluster;  //this increments any time a block added
  SInt64 clusterOffset;

  /////////////////
  QTAtomContainer     audioSettingsAtom;      //hold on to any audio settings the user changes
  QTAtomContainer     videoSettingsAtom;
  Handle              videoSettingsCustom;     //this contains vp8 custom settings.
  unsigned int        currentPass;

  /* settings dialog vars */
  Boolean            bMovieHasAudio;
  Boolean            bMovieHasVideo;
  Movie              setdlg_movie;
  Track              setdlg_track;

  Boolean            bCanExportAudio;

} WebMExportGlobals, *WebMExportGlobalsPtr;

#endif /* __exporter_types_h__ */