void ReleaseRenderTexture(object encoderLock)
{
if (_cameraOutputTexture != null)
{
_cameraOutputTexture.Release();
}
_cameraOutputTexture = null;
if (_vidEnc != IntPtr.Zero && _vCfgEnc != IntPtr.Zero && _vTxfEnc != IntPtr.Zero &&
_aCfgEnc != IntPtr.Zero && _audEnc != IntPtr.Zero)
{
IntPtr _vidEncCopy = _vidEnc;
IntPtr _vCfgEncCopy = _vCfgEnc;
IntPtr _vTxfEncCopy = _vTxfEnc;
IntPtr _aCfgEncCopy = _aCfgEnc;
IntPtr _audEncCopy = _audEnc;
int msTimeout = 1000 / MixCastAV.chunksPerSec;
new Thread(() =>
{
lock (encoderLock)
{
Thread.Sleep(msTimeout);
//Debug.Log("Asynchronously cleaning up encoder: " + _encCopy.ToString());
MixCastAV.writeTrailerCloseStreams(_vidEncCopy);
MixCastAV.freeVideoCfg(_vCfgEncCopy);
MixCastAV.freeAudioEncodeContext(_audEncCopy);
MixCastAV.freeVideoTransform(_vTxfEncCopy);
MixCastAV.freeAudioCfg(_aCfgEncCopy);
}
}).Start();
}
_vidEnc = IntPtr.Zero;
_vCfgEnc = IntPtr.Zero;
_vTxfEnc = IntPtr.Zero;
_aCfgEnc = IntPtr.Zero;
_audEnc = IntPtr.Zero;
}
private void _killDecoder()
{
bool resFreeDec = false;
bool resFreeCfg = false;
bool resFreeTxf = false;
MixCastAV.ReleaseDecodeInterface(decoderInterface);
System.Threading.Thread.Sleep(2); //untested amount of sleep time in ms needed to avoid race condition
//free the decoder
if (vidDec != IntPtr.Zero)
{
resFreeDec = MixCastAV.freeDecodeContext(vidDec) == 0 ? true : false;
}
vidDec = IntPtr.Zero;
//free the data config
if (cfgVidDec != IntPtr.Zero)
{
resFreeCfg = MixCastAV.freeVideoCfg(cfgVidDec) == 0 ? true : false;
}
cfgVidDec = IntPtr.Zero;
//free the transformer
if (vidTxfDec != IntPtr.Zero)
{
resFreeTxf = MixCastAV.freeVideoTransform(vidTxfDec) == 0 ? true : false;
}
vidTxfDec = IntPtr.Zero;
if (resFreeDec == false || resFreeCfg == false || resFreeTxf == false)
{
Debug.LogError("Error Freeing Device Feed. " + vidDec);
}
}
protected bool BuildEncoder(string outputPath)
{
if (_vCfgEnc != IntPtr.Zero || _vidEnc != IntPtr.Zero || _vTxfEnc != IntPtr.Zero ||
_audEnc != IntPtr.Zero || _aCfgEnc != IntPtr.Zero)
{
Debug.LogError("Could not setup the encoder, previous session is still running");
return(false);
}
encodeInterface = -1;
//build our encoder here
_vCfgEnc = MixCastAV.getVideoEncodeCfg(outputPath, _width, _height,
Framerate, SRC_PIX_FMT, _width, _height, Framerate, DST_PIX_FMT,
GopSize, BitRate, CODEC_TYPE, CODEC_NAME, FLIP_VERTICAL);
//Debug.LogWarningFormat( "vCfgEnc: w({0}), h({1}), src_pix({2}), dst_pix({3}), GopSize({4}), bitrate({5}), codec_type({6}), codec_name({7})",
// _width, _height, SRC_PIX_FMT, DST_PIX_FMT, GopSize, BitRate, CODEC_TYPE, CODEC_NAME );
//_aCfgEnc = LibAvStuff.getAudioEncodeCfg(new StringBuilder(dummyName), DEFCHANNELS, DEFSAMPLERATE, DEFBITDEPTH,
// DEFCHANNELS, DEFSAMPLERATE, DEFBITDEPTH, AudioBitrate, new StringBuilder(MP2_CODECNAME), new StringBuilder(MP2_CODECNAME));
//for AAC, we should be using 32 bit depth
_aCfgEnc = MixCastAV.getAudioEncodeCfg(dummyName, DEFCHANNELS, DEFSAMPLERATE, DEFBITDEPTH,
DEFCHANNELS, DEFSAMPLERATE, AAC_BITDEPTH, AudioBitrate, AAC_CODECNAME, AAC_CODECNAME);
int ret = MixCastAV.getAudioAndVideoEncodeContextMux(ref _audEnc, ref _vidEnc, _aCfgEnc, _vCfgEnc);
if (_vidEnc == IntPtr.Zero || _audEnc == IntPtr.Zero || ret < 0)
{
Debug.LogError("Could not setup the encoder, please check configuration");
EventCenter.HandleEvent(Category, EventCenter.Result.Error, "Warning_Video_Encoder_Error", true);
MixCastAV.freeVideoCfg(_vCfgEnc);
MixCastAV.freeAudioCfg(_aCfgEnc);
_vCfgEnc = IntPtr.Zero;
_aCfgEnc = IntPtr.Zero;
return(false);
}
_vTxfEnc = MixCastAV.getVideoTransformContext(_vCfgEnc);
if (_vTxfEnc == IntPtr.Zero)
{
Debug.LogError("Could not setup the video transformer for encoding, please check configuration");
EventCenter.HandleEvent(Category, EventCenter.Result.Error, "Warning_Video_Encoder_Error", true);
MixCastAV.freeVideoCfg(_vCfgEnc);
_vCfgEnc = IntPtr.Zero;
_vidEnc = IntPtr.Zero;
return(false);
}
if (_bitrateKbps <= 0)
{
_bitrateKbps = (ulong)(_width * _height / BITS_IN_KILOBIT);
}
if (_vidEnc != IntPtr.Zero && _vCfgEnc != IntPtr.Zero && _vTxfEnc != IntPtr.Zero)
{
encodeInterface = MixCastAV.CreateEncodeInterface(_vidEnc, _vCfgEnc, _vTxfEnc);
}
return(encodeInterface != -1);
}