コード例 #1
0
/*!
 ************************************************************************
 * \brief
 *    This function opens the output files and generates the
 *    appropriate sequence header
 ************************************************************************
 */
int start_sequence()
{
  int i,len=0, total_pps = (input->GenerateMultiplePPS) ? 3 : 1;
  NALU_t *nalu;


  switch(input->of_mode)
  {
    case PAR_OF_ANNEXB:
      OpenAnnexbFile (input->outfile);
      WriteNALU = WriteAnnexbNALU;
      break;
    case PAR_OF_RTP:
      OpenRTPFile (input->outfile);
      WriteNALU = WriteRTPNALU;
      break;
    default:
      snprintf(errortext, ET_SIZE, "Output File Mode %d not supported", input->of_mode);
      error(errortext,1);
      return 1;
  }

  //! As a sequence header, here we write the both sequence and picture
  //! parameter sets.  As soon as IDR is implemented, this should go to the
  //! IDR part, as both parsets have to be transmitted as part of an IDR.
  //! An alternative may be to consider this function the IDR start function.

  nalu = NULL;
  nalu = GenerateSeq_parameter_set_NALU ();
  len += WriteNALU (nalu);
  FreeNALU (nalu);

  //! Lets write now the Picture Parameter sets. Output will be equal to the total number of bits spend here.
  for (i=0;i<total_pps;i++)
  {
     len = write_PPS(len, i);
  }

  if (input->Generate_SEIVUI)
  {
    nalu = NULL;
    nalu = GenerateSEImessage_NALU();
    len += WriteNALU (nalu);
    FreeNALU (nalu);
  }

  stats->bit_ctr_parametersets_n = len;
  return 0;
}
コード例 #2
0
ファイル: ldecod.c プロジェクト: shahid313/MSCourseWork
int main(int argc, char **argv)
{
	int Flag = TRUE;

	//long ftell_position;//, expected_slice_type;
	//int ret;
	NALU_t *nalu;
	
	h264_decoder* dec_params;
	char *ptr;
	
	ptr =  (  char*)malloc(10 * sizeof(char)); 

    if ((dec_params =  (  h264_decoder*)h264_malloc(1 * sizeof(h264_decoder)))==NULL) 
 //	if ((dec_params =  (  h264_decoder*)h264_malloc(1 * 100))==NULL) 
	{
		Flag=FALSE;
	}

  	if ((dec_params->input =  (InputParameters *)h264_malloc(1 * sizeof(InputParameters)))==NULL) 
	{
		printf("main: input");
		exit(0);
	}
	if ((dec_params->img   =  (ImageParameters *)h264_malloc(1 * sizeof(ImageParameters)))==NULL) 
	{
		printf("main: img");
		exit(0);
	}

	////////// ADDED INITIALIZATIONS //////
	dec_params->active_sps       = NULL;
	dec_params->active_pps       = NULL;
 	dec_params->Co_located       = NULL;
	dec_params->dec_picture     = NULL;
	dec_params->global_init_done = 0;
	dec_params->dpb.init_done	 = 0;
	dec_params->img->DeblockCall = 0;
//	dec_params->img->structure   = 0;
	dec_params->MapUnitToSliceGroupMap = NULL;
	dec_params->MbToSliceGroupMap      = NULL;
	dec_params->img->errorConcealmentFlag = 0;			// ERROR CONCEALMENT FLAG SET TO ZERO , NO ERROR CONCEALMENT
	dec_params->img->no_output_of_prior_pics_flag = -1;

	///////////////////////////////////////
	Initializations(dec_params);
	
	Configure ( argc, argv,dec_params );
	
		
	init_old_slice(dec_params);
	
	switch (dec_params->input->FileFormat)
	{
	case 0:
		OpenBitstreamFile (dec_params->input->infile,dec_params);
		break;
	case 1:
		OpenRTPFile (dec_params->input->infile,dec_params);
		break;
	default:
		printf ("Unsupported file format %d, exit\n", dec_params->input->FileFormat);
	}
	
	// Allocate Slice data struct
	malloc_slice(dec_params->input,dec_params->img,dec_params);
	
	init(dec_params->img,dec_params);
	
	dec_params->dec_picture = NULL;
	
	dec_params->dpb.init_done = 0;
	//dec_params->g_nFrame = 0;
	
//	init_out_buffer(dec_params);
	
  //dec_params->img->idr_psnr_number=dec_params->input->ref_offset;
  //dec_params->img->psnr_number=0;
	
	dec_params->img->number=0;
	dec_params->img->type = I_SLICE;
	dec_params->img->dec_ref_pic_marking_buffer = NULL;
	
	// B pictures
	dec_params->Bframe_ctr=0;

	// time for total decoding session
	dec_params->tot_time = 0;

	dec_params->nalu = AllocNALU(MAX_CODED_FRAME_SIZE,dec_params);
	nalu = dec_params->nalu;

	dec_params->dp   = AllocPartition(1, dec_params,1024);
	dec_params->sps  = AllocSPS();
	dec_params->pps  = AllocPPS();


	{
		while ( decode_one_frame( dec_params ) != EOS );
	}	
	//report( dec_params->input, dec_params->img, dec_params->snr,dec_params,);
	report( dec_params->input, dec_params->img,dec_params);
	free_slice( dec_params->input,dec_params->img);

	FreeNALU(dec_params->nalu);
	FreePartition (dec_params->dp, 1);
	FreeSPS (dec_params->sps);
    if (dec_params->PicParSet[dec_params->pps->pic_parameter_set_id].Valid == TRUE && dec_params->PicParSet[dec_params->pps->pic_parameter_set_id].slice_group_id != NULL)
	{
		h264_free (dec_params->PicParSet[dec_params->pps->pic_parameter_set_id].slice_group_id);
		dec_params->PicParSet[dec_params->pps->pic_parameter_set_id].slice_group_id = NULL;
	}
	
	// IF FMO PRESENT
	if (dec_params->active_pps->num_slice_groups_minus1) 
	{
	FmoFinit(dec_params);
	}	

	FreePPS (dec_params->pps);
	
	
	free_global_buffers_baseline(dec_params);
	
	flush_dpb(dec_params);
	
#ifdef PAIR_FIELDS_IN_OUTPUT
	flush_pending_output(dec_params->p_out);
#endif
	
	CloseBitstreamFile(dec_params);
	
	//close(dec_params->p_out);
	fclose (dec_params->f_out);
	//  fclose(p_out2);

#if TRACE
	fclose(p_trace);
#endif
	
	//ercClose(dec_params->erc_errorVar,dec_params);
	ercClose(dec_params);
	
	free_dpb(dec_params);
//	uninit_out_buffer(dec_params);
	
	free_colocated(dec_params);
	if(dec_params->dec_picture != NULL)
	{
		free (dec_params->dec_picture);
		dec_params->dec_picture = NULL;
	}
	if(dec_params->input != NULL)
	{
		h264_free (dec_params->input);
		dec_params->input = NULL;
	}
	if(dec_params->img != NULL)
	{
		h264_free (dec_params->img);
		dec_params->img = NULL;
	}
	if(dec_params != NULL)
	{
		h264_free (dec_params);
		dec_params = NULL;
	}
	return 0;
}
コード例 #3
0
ファイル: ldecod.cpp プロジェクト: jonmcdonald/jpeg_platform
//int ldecod(/*int argc, char **argv*/)
//int ldecod(char * cfg_file)
//int ldecod(char * cfg_file, unsigned char * bitstream)
//int ldecod(char * cfg_file, unsigned char * bitstream, unsigned int length)
int ldecod(unsigned char * bitstream, unsigned int length)
#endif
{
  // allocate memory for the structures
if (Frame_cnt == 0)
{
  if ((input =  (struct inp_par *)calloc(1, sizeof(struct inp_par)))==NULL) no_mem_exit("main: input");
  if ((snr =  (struct snr_par *)calloc(1, sizeof(struct snr_par)))==NULL) no_mem_exit("main: snr");
  if ((img =  (struct img_par *)calloc(1, sizeof(struct img_par)))==NULL) no_mem_exit("main: img");
}
  // Read Configuration File
/*
  if (argc != 2)
  {
    snprintf(errortext, ET_SIZE, "Usage: %s <config.dat> \n\t<config.dat> defines decoder parameters",argv[0]);
    error(errortext, 300);
  }
*/
  Bitstream_leng = length;
 //init_conf(input, cfg_file);// read cfg & init
  init_conf2(input);// read cfg & init

  g_new_frame=1;

  switch (input->FileFormat)
  {
  case 0:
    //OpenBitstreamFile (input->infile);//Load bitsteam: master_read()
    OpenBitstreamFile2 (bitstream);//Load bitsteam: master_read()
    break;
  case 1:
    OpenRTPFile (input->infile);
    break;
  default:
    printf ("Unsupported file format %d, exit\n", input->FileFormat);
  }

  // Allocate Slice data struct
  malloc_slice(input,img);

  init(img);

  dec_picture = NULL;

  dpb.init_done = 0;

  //  init_dpb(input);
  init_out_buffer();

  img->idr_psnr_number=0;
  img->psnr_number=0;

  img->number=0;
  img->type = I_SLICE;
  img->tr_old = -1; // WYK: Oct. 8, 2001, for detection of a new frame
  img->dec_ref_pic_marking_buffer = NULL;

  // B pictures
  Bframe_ctr=0;

  // time for total decoding session
  tot_time = 0;
#ifdef ESLSC
  tb_hls_cavld_p = (tb_hls_cavld*)tb;
#endif
  // one clock cycle for one frame
  //printf("[%d]",Frame_cnt);
  //cout<< "-->start_time:"<<sc_time_stamp() << endl;
  while (decode_one_frame(img, input, snr) != EOS)
  {
    //flush_one_dpb();//cylin  
    
    num_pending_frame++;
    if(!flag_start_dump_frame){             
      //cout<< sc_time_stamp() <<"\t"<<" ldecode().event_dump_one_frame_req.notify"<<endl;
      flag_start_dump_frame = 1;
      event_dump_one_frame_req.notify(5*CLK_CYCLES, CLK_UNIT);//CYLin:define in "global.h"
    }
    
  }
  //if(flag_start_dump_frame && num_pending_frame >= FRAME_BUFFER_SIZE)
  if(num_pending_frame >= FRAME_BUFFER_SIZE)
    wait(event_dump_one_frame_end);//CYLin:waiting pre-frame

  __report(input, img, snr);

if(Frame_cnt == 60)
{
  //if(flag_start_dump_frame)
  while(num_pending_frame){
      wait(event_dump_one_frame_end);//CYLin:waiting pre-frame
  }
  free_slice(input,img);
  FmoFinit();
  free_global_buffers(input, img);
  //printf("********  flush_dpb()  ***********\n");//cylin.debug
  flush_dpb();

  //CloseBitstreamFile();
  CloseBitstreamFile2();

//  fclose(p_out);
//  fclose(p_out2);
  if (p_ref)
    fclose(p_ref);
#if TRACE
  fclose(p_trace);
#endif

  ercClose(erc_errorVar);

  free_dpb();

  uninit_out_buffer();

  free (input);
  free (snr);
  free (img);
}  
  //while( !kbhit() ); 
  return 0;
}
コード例 #4
0
/*!
 ***********************************************************************
 * \brief
 *    main function for TML decoder
 ***********************************************************************
 */
int main(int argc, char **argv)
{
    // allocate memory for the structures
  if ((input =  (struct inp_par *)calloc(1, sizeof(struct inp_par)))==NULL) no_mem_exit("main: input");
  if ((snr =  (struct snr_par *)calloc(1, sizeof(struct snr_par)))==NULL) no_mem_exit("main: snr");
  if ((img =  (struct img_par *)calloc(1, sizeof(struct img_par)))==NULL) no_mem_exit("main: img");

  // Read Configuration File
  if (argc != 2)
  {
    snprintf(errortext, ET_SIZE, "Usage: %s <config.dat> \n\t<config.dat> defines decoder parameters",argv[0]);
    error(errortext, 300);
  }

  init_conf(input, argv[1]);

  init_old_slice();
  
  switch (input->FileFormat)
  {
  case 0:
    OpenBitstreamFile (input->infile);
    break;
  case 1:
    OpenRTPFile (input->infile);
    break;
  default:
    printf ("Unsupported file format %d, exit\n", input->FileFormat);
  }

  // Allocate Slice data struct
  malloc_slice(input,img);

  init(img);

  dec_picture = NULL;

  dpb.init_done = 0;
  g_nFrame = 0;

//  init_dpb(input);
  init_out_buffer();

  img->idr_psnr_number=input->ref_offset;
  img->psnr_number=0;

  img->number=0;
  img->type = I_SLICE;
  img->dec_ref_pic_marking_buffer = NULL;

  // B pictures
  Bframe_ctr=0;

  // time for total decoding session
  tot_time = 0;
  while (decode_one_frame(img, input, snr) != EOS)
    ;

  report(input, img, snr);
  free_slice(input,img);
  FmoFinit();
  free_global_buffers();

  flush_dpb();

#ifdef PAIR_FIELDS_IN_OUTPUT
  flush_pending_output(p_out);
#endif

  CloseBitstreamFile();

  fclose(p_out);
//  fclose(p_out2);
  if (p_ref)
    fclose(p_ref);
#if TRACE
  fclose(p_trace);
#endif

  ercClose(erc_errorVar);

  free_dpb();
  uninit_out_buffer();

  free_collocated(Co_located);
  free (input);
  free (snr);
  free (img);
  
  //while( !kbhit() ); 
  return 0;
}
コード例 #5
0
/*!
***********************************************************************
* \brief
*    main function for TML decoder
***********************************************************************
*/
int main2(int argc, char **argv)
{
    int i;

    // allocate memory for the structures
    if ((input =  (struct inp_par *)calloc(1, sizeof(struct inp_par)))==NULL) no_mem_exit("main: input");
    if ((snr   =  (struct snr_par *)calloc(1, sizeof(struct snr_par)))==NULL) no_mem_exit("main: snr");
    if ((img   =  (struct img_par *)calloc(1, sizeof(struct img_par)))==NULL) no_mem_exit("main: img");


    Configure (argc, argv);

    init_old_slice();

    switch (input->FileFormat)
    {
    case 0:
        OpenBitstreamFile (input->infile);
        break;
    case 1:
        OpenRTPFile (input->infile);
        break;
    default:
        printf ("Unsupported file format %d, exit\n", input->FileFormat);
    }

    // Allocate Slice data struct
    malloc_slice(input,img);

    init(img);

#ifdef ADAPTIVE_FILTER
    InitAdaptiveFilter();
#endif

#ifdef MV_COMPETITION
    init_MV_Competition();
#endif

    dec_picture = NULL;

    dpb.init_done = 0;
    g_nFrame = 0;

    init_out_buffer();

    img->idr_psnr_number=input->ref_offset;
    img->psnr_number=0;

    img->number=0;
    img->type = I_SLICE;
    img->dec_ref_pic_marking_buffer = NULL;

    // B pictures
    Bframe_ctr=snr->frame_ctr=0;

    // time for total decoding session
    tot_time = 0;

    // reference flag initialization
    for(i=0; i<17; i++)
    {
        ref_flag[i]=1;
    }

    while (decode_one_frame(img, input, snr) != EOS)
        ;

    report(input, img, snr);
    free_slice(input,img);
    FmoFinit();
    free_global_buffers();

    flush_dpb();

#ifdef PAIR_FIELDS_IN_OUTPUT
    flush_pending_output(p_out);
#endif

    CloseBitstreamFile();

    close(p_out);
    //  fclose(p_out2);
    if (p_ref!=-1)
        close(p_ref);
#if TRACE
    fclose(p_trace);
#endif

#ifdef MV_COMPETITION
    close_MV_Competition();
#endif

    ercClose(erc_errorVar);

    free_dpb();
    uninit_out_buffer();

    free_colocated(Co_located);
    free (input);
    free (snr);
    free (img);

    //while( !kbhit() );
    return 0;
}