protected int Setup(string audioAltName, IntPtr vidEnc, IntPtr audEnc, IntPtr cfgAud)
{
if (context == null || context.Data == null || vidEnc == IntPtr.Zero || cfgAud == IntPtr.Zero || audEnc == IntPtr.Zero)
{
Debug.LogError("The encode or data objects are not yet setup for creating audio encoder");
return(-1);
}
_audioAltName = audioAltName;
//this uses a different number each time, and the isBufferFreshAudioEncodeAsync() API call will
//clean the number and its access for if it is not used for two callbacks or more
encodeInterfaceNumber = MixCastAV.AudioEncodeInterfaceCounter++;
//TODO:
//for persistent encode async run, and the aud async becomes dereferenced for whatever reason
//if (_vidEncCopy != IntPtr.Zero && _audEncCopy != IntPtr.Zero && _cfgAudCopy != IntPtr.Zero)
//{}
if (_audAsyncEncode != IntPtr.Zero)
{
MixCastAV.stopAudioEncodeAsync(_audAsyncEncode);
MixCastAV.freeAudioEncodeAsync(_audAsyncEncode);
_audAsyncEncode = IntPtr.Zero;
}
//assumes an universal AudioAsyncFeed
_audAsyncDecodeCopy = AudioAsyncFeed.Instance(context.Data.id).audAsyncDec;
_vidEncCopy = vidEnc;
_audEncCopy = audEnc;
_cfgAudCopy = cfgAud;
_audAsyncEncode = MixCastAV.createAudioEncodeAsync(_audAsyncDecodeCopy, _vidEncCopy, _cfgAudCopy, _audEncCopy, MixCastAV.chunksPerSec);
if (_audAsyncEncode == IntPtr.Zero)
{
Debug.LogError("Could not setup audio encode async interface");
return(-1);
}
if (MixCastAV.startAudioEncodeAsync(_audAsyncEncode) < 0)
{
MixCastAV.freeAudioEncodeAsync(_audAsyncEncode);
_audAsyncEncode = IntPtr.Zero;
Debug.LogError("Could not start audio encode async interface");
return(-1);
}
#if _DEBUG
Debug.LogWarning(string.Format("Encode started for decoder: {0} with encoder: {1}", (int)_audAsyncDecodeCopy, (int)_audAsyncEncode));
#endif
return(0);
}
public void Free()
{
if (_audAsyncEncode != IntPtr.Zero)
{
if (MixCastAV.checkStartedAudioEncodeAsync(_audAsyncEncode) == 0)
{
if (MixCastAV.freeAudioEncodeAsync(_audAsyncEncode) < 0)
{
Debug.LogError("Error freeing audio encode interface.\n");
}
}
_audAsyncEncode = IntPtr.Zero;
}
}