michael@0: diff --git a/WebMElement.c b/WebMElement.c
michael@0: --- a/WebMElement.c
michael@0: +++ b/WebMElement.c
michael@0: @@ -56,7 +56,7 @@
michael@0:  }
michael@0:  
michael@0:  void writeVideoTrack(EbmlGlobal *glob, unsigned int trackNumber, int flagLacing,
michael@0: -                     char *codecId, unsigned int pixelWidth, unsigned int pixelHeight,
michael@0: +                     const char *codecId, unsigned int pixelWidth, unsigned int pixelHeight,
michael@0:                       double frameRate) {
michael@0:    EbmlLoc start;
michael@0:    UInt64 trackID;
michael@0: @@ -79,7 +79,7 @@
michael@0:    Ebml_EndSubElement(glob, &start); // Track Entry
michael@0:  }
michael@0:  void writeAudioTrack(EbmlGlobal *glob, unsigned int trackNumber, int flagLacing,
michael@0: -                     char *codecId, double samplingFrequency, unsigned int channels,
michael@0: +                     const char *codecId, double samplingFrequency, unsigned int channels,
michael@0:                       unsigned char *private, unsigned long privateSize) {
michael@0:    EbmlLoc start;
michael@0:    UInt64 trackID;
michael@0: diff --git a/WebMElement.h b/WebMElement.h
michael@0: --- a/WebMElement.h
michael@0: +++ b/WebMElement.h
michael@0: @@ -20,10 +20,10 @@
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: -                     char *codecId, unsigned int pixelWidth, unsigned int pixelHeight,
michael@0: +                     const char *codecId, unsigned int pixelWidth, unsigned int pixelHeight,
michael@0:                       double frameRate);
michael@0:  void writeAudioTrack(EbmlGlobal *glob, unsigned int trackNumber, int flagLacing,
michael@0: -                     char *codecId, double samplingFrequency, unsigned int channels,
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,