protected int EncodeWrite()
{
if (_audAsyncEncode == IntPtr.Zero || context == null || context.Data == null || _audAsyncDecodeCopy == IntPtr.Zero)
{
if (isShuttingDown)
{
return(-1);
}
Debug.LogError("Audio async encode interface is not yet initialized.");
return(-1);
}
var feed = AudioAsyncFeed.Instance(context.Data.id);
bool isFresh = false;
//push the audio samples to the output muxer if ready
if (feed != null &&
MixCastAV.checkStartedAudioEncodeAsync(_audAsyncEncode) == 0 &&
feed.isRunning == true && _audAsyncDecodeCopy != IntPtr.Zero)
{
//check if the audio stream started, if it hasn't then, return early
if (MixCastAV.checkStartedAudioDecodeAsync(_audAsyncDecodeCopy) != 0)
{
return(-1);
}
isFresh = feed.BufferFresh(encodeInterfaceNumber);
if (isFresh == true)
{
if (MixCastAV.updateBufferAudioEncodeAsync(_audAsyncEncode) < 0)
{
Debug.LogError("Error updating the audio async encode interface in pulling new data.");
}
}
}
else
{
if (isShuttingDown)
{
return(-1);
}
if (isFresh == false)
{
Debug.LogError("Error, the buffer was not fresh from the decoder audio async feed");
}
else if (MixCastAV.checkStartedAudioEncodeAsync(_audAsyncEncode) != 0)
{
Debug.LogError("Error, the encoder was not yet started or had problems starting");
}
//the buffer is not fresh from the audio decode async interface, may help to catch some weird bugs
else if (IsOverAccessBuffer == true)
{
Debug.Log("Checked buffer, but the buffer from the decode async interface was not yet ready to encode. " + encodeInterfaceNumber);
}
IsOverAccessBuffer = true;
return(-1); //since we are using a callback to write when ready, this is abnormal, if it happens often
}
IsOverAccessBuffer = false;
return(0);
}