Use xforwarlib to encode the source code of the h264 stream

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Xforwarenc. h:

[Cpp]
# Pragma once
# Include "inttypes. h"
Extern "C"
{
# Include "x264.h"
};
 
Class x264enc
{
Public:
Xforwarenc (void );
Virtual ~ Xforwarenc (void );
Public:
Bool initxincluencoder (unsigned short usWidth, unsigned short usHeight, int nKeyFrameInterval, int nFrameRate, int nQuality );
Bool X264Encode (unsigned char * pInFrame, const int & nInLen, unsigned char * pOutFrame, int & nOutLen, bool & bKeyFrame );
Void ReleaseConnection ();
Private:
X1__t * h;
 
Unsigned short m_usWidth;
Unsigned short m_usHeight;
};
X264enc. cpp:
[Cpp]
# Include "StdAfx. h"
# Include "x264enc. h"
 
X264enc: x264enc (void)
: H (NULL)
, M_usWidth (0)
, M_usHeight (0)
{
}
 
Xforwarenc ::~ Xforwarenc (void)
{
}
 
Bool xforwardedenc: initxforwardedencoder (unsigned short usWidth, unsigned short usHeight, int nKeyFrameInterval, int nFrameRate, int nQuality)
{
X1__param_t param;
X1__param_default (1_m );
 
// Param. I _width = usWidth;
// Param. I _height = usHeight;
// Param. B _deblocking_filter = 1;
// Param. I _deblocking_filter_alphac0 = 1; // add
// Param. I _deblocking_filter_beta = 1; // add
// Param. B _cabac = 1;
//
// Param. I _frame_reference = 1; // add
// Param. I _bframe = 0; // add
// Param. I _keyint_max = 6; // add
// Param. I _keyint_min = 5; // add
//
// Param. analyze. inter = X264_ANALYSE_I4x4 | x__analyse_i8x8 | x__analyse_psub16x16 | X264_ANALYSE_BSUB16x16;
// Param. analyze. intra = xpai_analyse_i4x4 | xpai_analyse_i8x8;
// If (param. analyze. inter | param. analyze. intra) & X264_ANALYSE_I8x8)
//{
// Param. analyze. B _transform_8x8 = 1;
//}
//
// Param. rc. I _bitrate =/* 900 */320;
/// Param. rc. I _vbv_max_bitrate = (int) (320*1.04); // add
/// Param. rc. I _vbv_buffer_size = 320; // add
//
// Param. rc. I _qp_min =/* 2 */6;
// Param. rc. I _qp_max =/* 31 */33;
// Param. rc. f_qcompress =/* 0.5f */0.6f;
// Param. rc. I _qp_constant =/* 0 */17;
// Param. rc. I _rc_method = x1__rc_crf;
// Param. rc. f_rf_constant =/* 8.5f */17;
// Param. rc. I _aq_mode = x1__aq_global;
// Param. rc. f_aq_strength = 0.3f;
// Param. analyze. I _me_method =/* x1__me_hex */x1__me_umh;
// Param. analyze. I _subpel_refine = 7; // add
// Param. analyze. B _mixed_references = 1; // add
// Param. analyze. I _trellis = 1; // add
// Param. analyze. B _weighted_bipred = 0; // add
// Param. analyze. I _me_range = 6; // add
// Param. analyze. I _direct_mv_pred = x1__direct_pred_auto; // add
//
// Param. I _log_level = x1__log_none;
 
Param. I _width = usWidth;
Param. I _height = usHeight;
Param. B _deblocking_filter = 1;
Param. B _cabac = 1;
Param. analyze. inter = X264_ANALYSE_I4x4 | x__analyse_i8x8 | X264_ANALYSE_PSUB16x16 | X264_ANALYSE_BSUB16x16;
Param. analyze. intra = X264_ANALYSE_I4x4 | X264_ANALYSE_I8x8;
If (param. analyze. inter | param. analyze. intra) & X264_ANALYSE_I8x8)
{
Param. analyze. B _transform_8x8 = 1;
}
Param. analyze. I _subpel_refine = 5;
Param. analyze. I _me_method = xpai_me_hex;
 
Param. rc. I _bitrate = 900;
Param. rc. I _qp_min = 2;
Param. rc. I _qp_max = 31;
Param. rc. f_qcompress = 0.5f;
Param. rc. I _qp_constant = 0;
Param. rc. I _rc_method = x1__rc_crf;
Param. rc. f_rf_constant = 8.5f;
Param. rc. I _aq_mode = X264_AQ_GLOBAL/* x1__aq_autovariance */;
Param. rc. f_aq_strength = 0.3f;
Param. I _log_level = x1__log_none;
 
H = x1__encoder_open (1_m );
If (h = NULL)
{
Return false;
}
 
M_usWidth = usWidth;
M_usHeight = usHeight;
Return true;
}
 
Static int encode_nals (unsigned char * buf, x1__nal_t * nals, int nnal)
{
Unsigned char * p = buf;
Int I;
 
For (I = 0; I <nnal; I ++)
{
Int nsize = 0;
Int s = x264_nal_encode (p, & nsize, 1, nals + I );
If (s <0)
Return-1;
P + = s;
}
 
Return p-buf;
}
 
Bool xforwarenc: xforwarencode (unsigned char * pInFrame, const int & nInLen, unsigned char * pOutFrame, int & nOutLen, bool & bKeyFrame)
{
X1__nal_t * nal;
X264_picture_t pic_out;
X264_picture_t pic;
Int nnal = 0;
If (pInFrame)
{
Pic. img. I _csp = x1__csp_i420;
Pic. img. I _plane = 3;
Pic. img. plane [0] = pInFrame;
Pic. img. plane [1] = pInFrame + m_usWidth * m_usHeight;
Pic. img. plane [2] = pic. img. plane [1] + (m_usWidth * m_usHeight/4 );
Pic. img. I _stride [0] = m_usWidth;
Pic. img. I _stride [1] = m_usWidth/2;
Pic. img. I _stride [2] = m_usWidth/2;
Pic. I _type = X264_TYPE_AUTO;
 
If (x1__encoder_encode (h, & nal, & nnal, & pic, & pic_out) <0)
{
Return false;
}
}
Else
{
If (x1__encoder_encode (h, & nal, & nnal, NULL, & pic_out) <0)
{
Return false;
}
}
 
If (nnal <= 0)
Return false;
 
NOutLen = encode_nals (pOutFrame, nal, nnal );
 
If (nOutLen <0)
{
Return false;
}
If (pic_out. I _type = X264_TYPE_IDR)
{
BKeyFrame = true;
}
Else
{
BKeyFrame = false;
}
Return true;
}
 
Void x264enc: ReleaseConnection ()
{
If (h)
{
X264_encoder_close (h );
H = NULL;
}
Delete this;
}

Main. cpp:

[Cpp]
# Include "stdafx. h"
# Include <stdlib. h>
# Include "x264enc. h"
 
Int main (int argc, char * argv [])
{
If (argc! = 5)
{
Printf ("please input: Enc_Demo.exe filename1 [input] Width Height filename2 [output] \ n ");
}
 

// Params set
Unsigned short usWidth = atoi (argv [2]);
Unsigned short usHeight = atoi (argv [3]);
 
// Create X264 instance
Xforwarenc * px1_enc = new xforwarenc;
 
If (! PX264enc |! Px1_enc-> initx1_encoder (usWidth, usHeight, 100, 5, 26 ))
{
PX264enc-> ReleaseConnection ();
Delete px1_enc;
Return-1;
}
 
Unsigned char * p_In_Frame = new unsigned char [usWidth * usHeight * 3/2];
Unsigned char * p_Out_Frame = new unsigned char [usWidth * usHeight * 3/2];
FILE * ifp = fopen (argv [1], "rb ");
FILE * ofp = fopen (argv [4], "wb ");
 
Bool B _continue = true;
Int nReadUnit = usWidth x usHeight * 3/2;
While (B _continue |! Feof (ifp ))
{
Int n_OutFrame_Size = 0;
Bool bKeyFrame = false;
Int nCount = fread (p_In_Frame, 1, nReadUnit, ifp );
If (nCount! = NReadUnit)
{
B _continue = false;
Break;
}

Unsigned char * pSrc = p_In_Frame;
If (px1_enc-> xforwarencode (pSrc, nCount, p_Out_Frame, n_OutFrame_Size, bKeyFrame ))
{
Fwrite (p_Out_Frame, n_OutFrame_Size, 1, ofp );
}
}
 
Do
{
Int n_OutFrame_Size = 0;
Bool B _KeyFrame = false;
If (px1_enc-> xforwarencode (NULL, 0, p_Out_Frame, n_OutFrame_Size, B _KeyFrame ))
{
Fwrite (p_Out_Frame, n_OutFrame_Size, 1, ofp );
}
Else
{
Break;
}
} While (1 );
 
// Realse
Delete [] p_In_Frame;
Delete [] p_Out_Frame;
PX264enc-> ReleaseConnection ();
Fclose (ifp );
Fclose (ofp );
 
Return 0;
}

Author: wchm_seu