michael@0: // Copyright (c) 2010 The WebM project authors. All Rights Reserved.
michael@0: //
michael@0: // Use of this source code is governed by a BSD-style license
michael@0: // that can be found in the LICENSE file in the root of the source
michael@0: // tree. An additional intellectual property rights grant can be found
michael@0: // in the file PATENTS.  All contributing project authors may
michael@0: // be found in the AUTHORS file in the root of the source tree.
michael@0: 
michael@0: #ifdef __cplusplus
michael@0: extern "C" {
michael@0: #endif
michael@0: 
michael@0: #ifndef MKV_CONTEXT_HPP
michael@0: #define MKV_CONTEXT_HPP 1
michael@0: 
michael@0: #include "EbmlWriter.h"
michael@0: 
michael@0: // these are helper functions
michael@0: void writeHeader(EbmlGlobal *ebml);
michael@0: void writeSegmentInformation(EbmlGlobal *ebml, EbmlLoc *startInfo, unsigned long timeCodeScale, double duration);
michael@0: // this function is a helper only, it assumes a lot of defaults
michael@0: void writeVideoTrack(EbmlGlobal *ebml, unsigned int trackNumber, int flagLacing,
michael@0:                      const char *codecId, unsigned int pixelWidth, unsigned int pixelHeight,
michael@0:                      unsigned int displayWidth, unsigned int displayHeight,
michael@0:                      double frameRate);
michael@0: void writeAudioTrack(EbmlGlobal *glob, unsigned int trackNumber, int flagLacing,
michael@0:                      const char *codecId, double samplingFrequency, unsigned int channels,
michael@0:                      unsigned char *private_, unsigned long privateSize);
michael@0: 
michael@0: void writeSimpleBlock(EbmlGlobal *ebml, unsigned char trackNumber, short timeCode,
michael@0:                       int isKeyframe, unsigned char lacingFlag, int discardable,
michael@0:                       unsigned char *data, unsigned long dataLength);
michael@0: 
michael@0: #endif
michael@0: 
michael@0: #ifdef __cplusplus
michael@0: }
michael@0: #endif