?? lencod.c
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CAVLC_init();
for (i=0; i < img->width/BLOCK_SIZE; i++)
for (j=0; j < img->height/BLOCK_SIZE; j++)
{
img->ipredmode[i][j]=-1;
img->ipredmode8x8[i][j]=-1;
}
img->mb_y_upd=0;
RandomIntraInit (img->width/16, img->height/16, input->RandomIntraMBRefresh);
InitSEIMessages(); // Tian Dong (Sept 2002)
// Initialize filtering parameters. If sending parameters, the offsets are
// multiplied by 2 since inputs are taken in "div 2" format.
// If not sending parameters, all fields are cleared
if (input->LFSendParameters)
{
input->LFAlphaC0Offset <<= 1;
input->LFBetaOffset <<= 1;
}
else
{
input->LFDisableIdc = 0;
input->LFAlphaC0Offset = 0;
input->LFBetaOffset = 0;
}
}
/*!
***********************************************************************
* \brief
* Free the Image structures
* \par Input:
* Image Parameters struct img_par *img
***********************************************************************
*/
void free_img ()
{
CloseSEIMessages(); // Tian Dong (Sept 2002)
free_mem_mv (img->pred_mv);
free_mem_mv (img->all_mv);
free_mem_ACcoeff (img->cofAC);
free_mem_DCcoeff (img->cofDC);
if(input->MbInterlace)
{
free_mem_mv (rddata_top_frame_mb.pred_mv);
free_mem_mv (rddata_top_frame_mb.all_mv);
free_mem_mv (rddata_bot_frame_mb.pred_mv);
free_mem_mv (rddata_bot_frame_mb.all_mv);
free_mem_mv (rddata_top_field_mb.pred_mv);
free_mem_mv (rddata_top_field_mb.all_mv);
free_mem_mv (rddata_bot_field_mb.pred_mv);
free_mem_mv (rddata_bot_field_mb.all_mv);
free_mem_ACcoeff (rddata_top_frame_mb.cofAC);
free_mem_DCcoeff (rddata_top_frame_mb.cofDC);
free_mem_ACcoeff (rddata_bot_frame_mb.cofAC);
free_mem_DCcoeff (rddata_bot_frame_mb.cofDC);
free_mem_ACcoeff (rddata_top_field_mb.cofAC);
free_mem_DCcoeff (rddata_top_field_mb.cofDC);
free_mem_ACcoeff (rddata_bot_field_mb.cofAC);
free_mem_DCcoeff (rddata_bot_field_mb.cofDC);
}
if(img->max_imgpel_value > img->max_imgpel_value_uv)
free (img->quad-(img->max_imgpel_value + 1));
else
free (img->quad-(img->max_imgpel_value_uv + 1));
if(input->MbInterlace)
{
free_mem2Dint(rddata_bot_frame_mb.ipredmode);
free_mem2Dint(rddata_top_field_mb.ipredmode);
free_mem2Dint(rddata_bot_field_mb.ipredmode);
}
}
/*!
************************************************************************
* \brief
* Allocates the picture structure along with its dependent
* data structures
* \return
* Pointer to a Picture
************************************************************************
*/
Picture *malloc_picture()
{
Picture *pic;
if ((pic = calloc (1, sizeof (Picture))) == NULL) no_mem_exit ("malloc_picture: Picture structure");
//! Note: slice structures are allocated as needed in code_a_picture
return pic;
}
/*!
************************************************************************
* \brief
* Frees a picture
* \param
* pic: POinter to a Picture to be freed
************************************************************************
*/
void free_picture(Picture *pic)
{
if (pic != NULL)
{
free_slice_list(pic);
free (pic);
}
}
/*!
************************************************************************
* \brief
* Reports frame statistical data to a stats file
************************************************************************
*/
void report_frame_statistic()
{
FILE *p_stat_frm = NULL;
static int last_mode_use[NUM_PIC_TYPE][MAXMODE];
static int last_b8_mode_0[NUM_PIC_TYPE][2];
static int last_mode_chroma_use[4];
static int last_bit_ctr_n = 0;
int i;
char name[20];
int bitcounter;
#ifndef WIN32
time_t now;
struct tm *l_time;
char string[1000];
#else
char timebuf[128];
#endif
// write to log file
if ((p_stat_frm=fopen("stat_frame.dat","r"))==0) // check if file exist
{
if ((p_stat_frm=fopen("stat_frame.dat","a"))==NULL) // append new statistic at the end
{
snprintf(errortext, ET_SIZE, "Error open file %s \n","stat_frame.dat.dat");
error(errortext, 500);
}
else // Create header for new log file
{
fprintf(p_stat_frm," --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- \n");
fprintf(p_stat_frm,"| Encoder statistics. This file is generated during first encoding session, new sessions will be appended |\n");
fprintf(p_stat_frm," --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- \n");
}
}
else
{
fclose (p_stat_frm);
if ((p_stat_frm=fopen("stat_frame.dat","a"))==NULL) // File exist,just open for appending
{
snprintf(errortext, ET_SIZE, "Error open file %s \n","stat_frame.dat.dat");
error(errortext, 500);
}
}
if (frame_statistic_start)
{
fprintf(p_stat_frm,"| ver | Date | Time | Sequence |Frm | QP |P/MbInt| Bits | SNRY | SNRU | SNRV | I4 | I8 | I16 | IC0 | IC1 | IC2 | IC3 | PI4 | PI8 | PI16 | P0 | P1 | P2 | P3 | P1*8*| P1*4*| P2*8*| P2*4*| P3*8*| P3*4*| P8 | P8:4 | P4*8*| P4*4*| P8:5 | P8:6 | P8:7 | BI4 | BI8 | BI16 | B0 | B1 | B2 | B3 | B0*8*| B0*4*| B1*8*| B1*4*| B2*8*| B2*4*| B3*8*| B3*4*| B8 | B8:0 |B80*8*|B80*4*| B8:4 | B4*8*| B4*4*| B8:5 | B8:6 | B8:7 |\n");
fprintf(p_stat_frm," --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- \n");
}
//report
fprintf(p_stat_frm,"|%4s/%s", VERSION, EXT_VERSION);
#ifdef WIN32
_strdate( timebuf );
fprintf(p_stat_frm,"| %1.5s |",timebuf );
_strtime( timebuf);
fprintf(p_stat_frm," % 1.5s |",timebuf);
#else
now = time ((time_t *) NULL); // Get the system time and put it into 'now' as 'calender time'
time (&now);
l_time = localtime (&now);
strftime (string, sizeof string, "%d-%b-%Y", l_time);
fprintf(p_stat_frm,"| %1.5s |",string );
strftime (string, sizeof string, "%H:%M:%S", l_time);
fprintf(p_stat_frm," %1.5s |",string );
#endif
for (i=0;i<20;i++)
name[i]=input->infile[i+max(0,(int) (strlen(input->infile)-20))]; // write last part of path, max 20 chars
fprintf(p_stat_frm,"%20.20s|",name);
fprintf(p_stat_frm,"%3d |",frame_no);
fprintf(p_stat_frm,"%3d |",img->qp);
fprintf(p_stat_frm," %d/%d |",input->PicInterlace, input->MbInterlace);
if (img->frame_num == 0)
{
bitcounter = stats->bit_ctr_0;
}
else
{
bitcounter = stats->bit_ctr_n - last_bit_ctr_n;
last_bit_ctr_n = stats->bit_ctr_n;
}
//report bitrate
fprintf(p_stat_frm, " %9d|", bitcounter);
//report snr's
fprintf(p_stat_frm, " %2.4f| %2.4f| %2.4f|", snr->snr_y, snr->snr_u, snr->snr_v);
//report modes
//I-Modes
fprintf(p_stat_frm, " %5d|",stats->mode_use[I_SLICE][I4MB] - last_mode_use[I_SLICE][I4MB]);
fprintf(p_stat_frm, " %5d|",stats->mode_use[I_SLICE][I8MB] - last_mode_use[I_SLICE][I8MB]);
fprintf(p_stat_frm, " %5d|",stats->mode_use[I_SLICE][I16MB] - last_mode_use[I_SLICE][I16MB]);
//chroma intra mode
fprintf(p_stat_frm, " %5d|",stats->intra_chroma_mode[0] - last_mode_chroma_use[0]);
fprintf(p_stat_frm, " %5d|",stats->intra_chroma_mode[1] - last_mode_chroma_use[1]);
fprintf(p_stat_frm, " %5d|",stats->intra_chroma_mode[2] - last_mode_chroma_use[2]);
fprintf(p_stat_frm, " %5d|",stats->intra_chroma_mode[3] - last_mode_chroma_use[3]);
//P-Modes
fprintf(p_stat_frm, " %5d|",stats->mode_use[P_SLICE][I4MB] - last_mode_use[P_SLICE][I4MB]);
fprintf(p_stat_frm, " %5d|",stats->mode_use[P_SLICE][I8MB] - last_mode_use[P_SLICE][I8MB]);
fprintf(p_stat_frm, " %5d|",stats->mode_use[P_SLICE][I16MB] - last_mode_use[P_SLICE][I16MB]);
fprintf(p_stat_frm, " %5d|",stats->mode_use[P_SLICE][0 ] - last_mode_use[P_SLICE][0 ]);
fprintf(p_stat_frm, " %5d|",stats->mode_use[P_SLICE][1 ] - last_mode_use[P_SLICE][1 ]);
fprintf(p_stat_frm, " %5d|",stats->mode_use[P_SLICE][2 ] - last_mode_use[P_SLICE][2 ]);
fprintf(p_stat_frm, " %5d|",stats->mode_use[P_SLICE][3 ] - last_mode_use[P_SLICE][3 ]);
fprintf(p_stat_frm, " %5d|",stats->mode_use_transform_8x8[0][1]);
fprintf(p_stat_frm, " %5d|",stats->mode_use_transform_4x4[0][1]);
fprintf(p_stat_frm, " %5d|",stats->mode_use_transform_8x8[0][2]);
fprintf(p_stat_frm, " %5d|",stats->mode_use_transform_4x4[0][2]);
fprintf(p_stat_frm, " %5d|",stats->mode_use_transform_8x8[0][3]);
fprintf(p_stat_frm, " %5d|",stats->mode_use_transform_4x4[0][3]);
fprintf(p_stat_frm, " %5d|",stats->mode_use[P_SLICE][P8x8] - last_mode_use[P_SLICE][P8x8]);
// fprintf(p_stat_frm, " %5d|",stats->b8_mode_0_use[P_SLICE][0] - last_b8_mode_0[P_SLICE ][0]);
fprintf(p_stat_frm, " %5d|",stats->mode_use[P_SLICE][4 ] - last_mode_use[P_SLICE][4 ]);
fprintf(p_stat_frm, " %5d|",stats->mode_use_transform_8x8[0][4]);
fprintf(p_stat_frm, " %5d|",stats->mode_use_transform_4x4[0][4]);
fprintf(p_stat_frm, " %5d|",stats->mode_use[P_SLICE][5 ] - last_mode_use[P_SLICE][5 ]);
fprintf(p_stat_frm, " %5d|",stats->mode_use[P_SLICE][6 ] - last_mode_use[P_SLICE][6 ]);
fprintf(p_stat_frm, " %5d|",stats->mode_use[P_SLICE][7 ] - last_mode_use[P_SLICE][7 ]);
//B-Modes
fprintf(p_stat_frm, " %5d|",stats->mode_use[B_SLICE][I4MB] - last_mode_use[B_SLICE][I4MB]);
fprintf(p_stat_frm, " %5d|",stats->mode_use[B_SLICE][I8MB] - last_mode_use[B_SLICE][I8MB]);
fprintf(p_stat_frm, " %5d|",stats->mode_use[B_SLICE][I16MB] - last_mode_use[B_SLICE][I16MB]);
fprintf(p_stat_frm, " %5d|",stats->mode_use[B_SLICE][0 ] - last_mode_use[B_SLICE][0 ]);
/*
fprintf(p_stat_frm, " %5d|",stats->mode_use[B_SLICE][1 ] - last_mode_use[B_SLICE][1 ]);
fprintf(p_stat_frm, " %5d|",stats->mode_use[B_SLICE][2 ] - last_mode_use[B_SLICE][2 ]);
fprintf(p_stat_frm, " %5d|",stats->mode_use[B_SLICE][3 ] - last_mode_use[B_SLICE][3 ]);
*/
fprintf(p_stat_frm, " %5d|",stats->mode_use[B_SLICE][1 ] - last_mode_use[B_SLICE][1 ]);
fprintf(p_stat_frm, " %5d|",stats->mode_use[B_SLICE][2 ] - last_mode_use[B_SLICE][2 ]);
fprintf(p_stat_frm, " %5d|",stats->mode_use[B_SLICE][3 ] - last_mode_use[B_SLICE][3 ]);
fprintf(p_stat_frm, " %5d|",stats->mode_use_transform_8x8[1][0]);
fprintf(p_stat_frm, " %5d|",stats->mode_use_transform_4x4[1][0]);
fprintf(p_stat_frm, " %5d|",stats->mode_use_transform_8x8[1][1]);
fprintf(p_stat_frm, " %5d|",stats->mode_use_transform_4x4[1][1]);
fprintf(p_stat_frm, " %5d|",stats->mode_use_transform_8x8[1][2]);
fprintf(p_stat_frm, " %5d|",stats->mode_use_transform_4x4[1][2]);
fprintf(p_stat_frm, " %5d|",stats->mode_use_transform_8x8[1][3]);
fprintf(p_stat_frm, " %5d|",stats->mode_use_transform_4x4[1][3]);
fprintf(p_stat_frm, " %5d|",stats->mode_use[B_SLICE][P8x8] - last_mode_use[B_SLICE][P8x8]);
fprintf(p_stat_frm, " %5d|",(stats->b8_mode_0_use [B_SLICE][0]+stats->b8_mode_0_use [B_SLICE][1]) - (last_b8_mode_0[B_SLICE][0]+last_b8_mode_0[B_SLICE][1]));
fprintf(p_stat_frm, " %5d|",stats->b8_mode_0_use [B_SLICE][1] - last_b8_mode_0[B_SLICE][1]);
fprintf(p_stat_frm, " %5d|",stats->b8_mode_0_use [B_SLICE][0] - last_b8_mode_0[B_SLICE][0]);
fprintf(p_stat_frm, " %5d|",stats->mode_use[B_SLICE][4 ] - last_mode_use[B_SLICE][4 ]);
fprintf(p_stat_frm, " %5d|",stats->mode_use_transform_8x8[1][4]);
fprintf(p_stat_frm, " %5d|",stats->mode_use_transform_4x4[1][4]);
fprintf(p_stat_frm, " %5d|",stats->mode_use[B_SLICE][5 ] - last_mode_use[B_SLICE][5 ]);
fprintf(p_stat_frm, " %5d|",stats->mode_use[B_SLICE][6 ] - last_mode_use[B_SLICE][6 ]);
fprintf(p_stat_frm, " %5d|",stats->mode_use[B_SLICE][7 ] - last_mode_use[B_SLICE][7 ]);
fprintf(p_stat_frm, "\n");
//save the last results
last_mode_use[I_SLICE][I4MB] = stats->mode_use[I_SLICE][I4MB];
last_mode_use[I_SLICE][I8MB] = stats->mode_use[I_SLICE][I8MB];
last_mode_use[I_SLICE][I16MB] = stats->mode_use[I_SLICE][I16MB];
for(i=0; i<MAXMODE; i++)
{
last_mode_use[P_SLICE][i] = stats->mode_use[P_SLICE][i];
last_mode_use[B_SLICE][i] = stats->mode_use[B_SLICE][i];
stats->mode_use_transform_8x8[0][i] = 0;
stats->mode_use_transform_8x8[1][i] = 0;
stats->mode_use_transform_4x4[0][i] = 0;
stats->mode_use_transform_4x4[1][i] = 0;
}
// last_b8_mode_0[P_SLICE][0] = stats->b8_mode_0_use[P_SLICE];
last_b8_mode_0[B_SLICE][0] = stats->b8_mode_0_use[B_SLICE][0];
last_b8_mode_0[B_SLICE][1] = stats->b8_mode_0_use[B_SLICE][1];
for(i=0;i<4;i++)
last_mode_chroma_use[i]=stats->intra_chroma_mode[i];
frame_statistic_start = 0;
fclose(p_stat_frm);
}
/*!
************************************************************************
* \brief
* Reports the gathered information to appropriate outputs
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