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);
}