/// obtain required buffers
func (this *TAppEncTop) xGetBuffer() *TLibCommon.TComPicYuv {
//assert( this.m_iGOPSize > 0 );
var rpcPicYuvRec *TLibCommon.TComPicYuv
// org. buffer
if this.m_cListPicYuvRec.Len() == this.m_iGOPSize {
e := this.m_cListPicYuvRec.Front()
rpcPicYuvRec = e.Value.(*TLibCommon.TComPicYuv)
this.m_cListPicYuvRec.Remove(e)
} else {
rpcPicYuvRec = TLibCommon.NewTComPicYuv()
rpcPicYuvRec.Create(this.m_iSourceWidth, this.m_iSourceHeight, this.m_uiMaxCUWidth, this.m_uiMaxCUHeight, this.m_uiMaxCUDepth)
}
this.m_cListPicYuvRec.PushBack(rpcPicYuvRec)
return rpcPicYuvRec
}
func (this *TAppEncTop) Encode() (err error) { ///< main encoding function
bitstreamFile, err := os.Create(this.m_pchBitstreamFile)
if err != nil {
fmt.Printf("\nfailed to open bitstream file `%s' for writing\n", this.m_pchBitstreamFile)
return err
}
defer bitstreamFile.Close()
pcPicYuvOrg := TLibCommon.NewTComPicYuv()
//var pcPicYuvRec *TLibCommon.TComPicYuv;
// initialize internal class & member variables
this.xInitLibCfg()
this.xCreateLib()
this.xInitLib()
// main encoder loop
iNumEncoded := 0
bEos := false
outputAccessUnits := TLibEncoder.NewAccessUnits() ///< list of access units to write out. is populated by the encoding process
// allocate original YUV buffer
pcPicYuvOrg.Create(this.m_iSourceWidth, this.m_iSourceHeight, this.m_uiMaxCUWidth, this.m_uiMaxCUHeight, this.m_uiMaxCUDepth)
for !bEos {
// get buffers
this.xGetBuffer() //pcPicYuvRec =
// read input YUV file
this.m_cTVideoIOYuvInputFile.Read(pcPicYuvOrg, this.m_aiPad[:])
// increase number of received frames
this.m_iFrameRcvd++
bEos = (this.m_iFrameRcvd == this.m_framesToBeEncoded)
flush := false
// if end of file (which is only detected on a read failure) flush the encoder of any queued pictures
if this.m_cTVideoIOYuvInputFile.IsEof() {
flush = true
bEos = true
this.m_iFrameRcvd--
this.m_cTEncTop.GetEncCfg().SetFramesToBeEncoded(this.m_iFrameRcvd)
}
// call encoding function for one frame
if flush {
this.m_cTEncTop.Encode(bEos, nil, this.m_cListPicYuvRec, outputAccessUnits, &iNumEncoded)
} else {
this.m_cTEncTop.Encode(bEos, pcPicYuvOrg, this.m_cListPicYuvRec, outputAccessUnits, &iNumEncoded)
}
// write bistream to file if necessary
if iNumEncoded > 0 {
this.xWriteOutput(bitstreamFile, iNumEncoded, outputAccessUnits)
outputAccessUnits.Init()
}
}
this.m_cTEncTop.PrintSummary()
// delete original YUV buffer
pcPicYuvOrg.Destroy()
//delete pcPicYuvOrg;
pcPicYuvOrg = nil
// delete used buffers in encoder class
this.m_cTEncTop.DeletePicBuffer()
// delete buffers & classes
this.xDeleteBuffer()
this.xDestroyLib()
this.printRateSummary()
return nil
}