gecko/content/media/ogg/nsOggDecoderStateMachine.cpp

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 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
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 * 1.1 (the "License"); you may not use this file except in compliance with
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 * Contributor(s):
 *  Chris Double <chris.double@double.co.nz>
 *  Chris Pearce <chris@pearce.org.nz>
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#include "nsOggDecoderStateMachine.h"
#include "nsOggReader.h"
#include "nsOggDecoder.h"

nsOggDecoderStateMachine::nsOggDecoderStateMachine(nsBuiltinDecoder* aDecoder) :
  nsBuiltinDecoderStateMachine(aDecoder, new nsOggReader(aDecoder))
{
}

void nsOggDecoderStateMachine::LoadMetadata()
{
  nsBuiltinDecoderStateMachine::LoadMetadata();

  // Get the duration from the media file. We only do this if the
  // content length of the resource is known as we need to seek
  // to the end of the file to get the last time field. We also
  // only do this if the resource is seekable and if we haven't
  // already obtained the duration via an HTTP header.

  if (mState != DECODER_STATE_SHUTDOWN &&
      mDecoder->GetCurrentStream()->GetLength() >= 0 &&
      mSeekable &&
      mEndTime == -1)
  {
    mDecoder->StopProgressUpdates();
    FindEndTime();
    mDecoder->StartProgressUpdates();
  }
}