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      1 // Copyright (c) 2010 The WebM project authors. All Rights Reserved.
      2 //
      3 // Use of this source code is governed by a BSD-style license
      4 // that can be found in the LICENSE file in the root of the source
      5 // tree. An additional intellectual property rights grant can be found
      6 // in the file PATENTS.  All contributing project authors may
      7 // be found in the AUTHORS file in the root of the source tree.
      8 
      9 
     10 #ifndef MKV_CONTEXT_HPP
     11 #define MKV_CONTEXT_HPP 1
     12 
     13 void writeSimpleBock(EbmlGlobal *ebml, unsigned char trackNumber, unsigned short timeCode,
     14                      int isKeyframe, unsigned char lacingFlag, int  discardable,
     15                      unsigned char *data, unsigned long dataLength);
     16 
     17 
     18 // these are helper functions
     19 void writeHeader(EbmlGlobal *ebml);
     20 void writeSegmentInformation(EbmlGlobal *ebml, EbmlLoc* startInfo , unsigned long timeCodeScale, double duration);
     21 //this function is a helper only, it assumes a lot of defaults
     22 void writeVideoTrack(EbmlGlobal *ebml, unsigned int trackNumber, int flagLacing,
     23                      char *codecId, unsigned int pixelWidth, unsigned int pixelHeight,
     24                      double frameRate);
     25 void writeAudioTrack(EbmlGlobal *glob, unsigned int trackNumber, int flagLacing,
     26                      char *codecId, double samplingFrequency, unsigned int channels,
     27                      unsigned char *private, unsigned long privateSize);
     28 
     29 void writeSimpleBlock(EbmlGlobal *ebml, unsigned char trackNumber, short timeCode,
     30                       int isKeyframe, unsigned char lacingFlag, int discardable,
     31                       unsigned char *data, unsigned long dataLength);
     32 
     33 
     34 
     35 #endif