media/libmkv/WebMElement.h

   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 #ifdef __cplusplus
  10 extern "C" {
  11 #endif
  12
  13 #ifndef MKV_CONTEXT_HPP
  14 #define MKV_CONTEXT_HPP 1
  15
  16 #include "EbmlWriter.h"
  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                      const char *codecId, unsigned int pixelWidth, unsigned int pixelHeight,
  24                      unsigned int displayWidth, unsigned int displayHeight);
  25 void writeAudioTrack(EbmlGlobal *glob, unsigned int trackNumber, int flagLacing,
  26                      const char *codecId, double samplingFrequency, unsigned int channels,
  27                      uint64_t codecDelay, uint64_t seekPreRoll,
  28                      unsigned char *private_, unsigned long privateSize);
  29
  30 void writeSimpleBlock(EbmlGlobal *ebml, unsigned char trackNumber, short timeCode,
  31                       int isKeyframe, unsigned char lacingFlag, int discardable,
  32                       unsigned char *data, unsigned long dataLength);
  33
  34 #endif
  35
  36 #ifdef __cplusplus
  37 }
  38 #endif