Пример #1
0
Файл: vlc.c Проект: YouZhang/JM
/*! 
 *************************************************************************************
 * \brief
 *    ue_v, reads an ue(v) syntax element, the length in bits is stored in 
 *    the global UsedBits variable
 *
 * \param tracestring
 *    the string for the trace file
 *
 * \param bitstream
 *    the stream to be read from
 *
 * \return
 *    the value of the coded syntax element
 *
 *************************************************************************************
 */
int ue_v (char *tracestring, Bitstream *bitstream)
{
  SyntaxElement symbol, *sym=&symbol;

  assert (bitstream->streamBuffer != NULL);
  sym->type = SE_HEADER;
  sym->mapping = linfo_ue;   // Mapping rule
  SYMTRACESTRING(tracestring);
  readSyntaxElement_VLC (sym, bitstream);
  UsedBits+=sym->len;
  return sym->value1;
}
Пример #2
0
Файл: vlc.c Проект: changzhix/jm
/*!
 *************************************************************************************
 * \brief
 *    ue_v, reads an se(v) syntax element, the length in bits is stored in
 *    the global UsedBits variable
 *
 * \param tracestring
 *    the string for the trace file
 *
 * \param bitstream
 *    the stream to be read from
 *
 * \return
 *    the value of the coded syntax element
 *
 *************************************************************************************
 */
int se_v (char *tracestring, Bitstream *bitstream)
{
  SyntaxElement symbol;

  assert (bitstream->streamBuffer != NULL);
  symbol.type = SE_HEADER;
  symbol.mapping = linfo_se;   // Mapping rule: signed integer
  SYMTRACESTRING(tracestring);
  readSyntaxElement_VLC (&symbol, bitstream);
  UsedBits+=symbol.len;
  return symbol.value1;
}
Пример #3
0
/*!
 *************************************************************************************
 * \brief
 *    read_ue_v, reads an ue(v) syntax element, the length in bits is stored in
 *    the global p_Dec->UsedBits variable
 *
 * \param tracestring
 *    the string for the trace file
 *
 * \param bitstream
 *    the stream to be read from
 *
 * \return
 *    the value of the coded syntax element
 *
 *************************************************************************************
 */
int read_ue_v (char *tracestring, Bitstream *bitstream, int *used_bits)
{
  SyntaxElement symbol;

  //assert (bitstream->streamBuffer != NULL);
  symbol.type = SE_HEADER;
  symbol.mapping = linfo_ue;   // Mapping rule
  //SYMTRACESTRING(tracestring);
  readSyntaxElement_VLC (&symbol, bitstream);
  *used_bits+=symbol.len;
  return symbol.value1;
}
Пример #4
0
int read_se_v (char *tracestring, Bitstream *bitstream, int *used_bits)
{
	SyntaxElement symbol;

	//assert (bitstream->streamBuffer != NULL);
//	symbol.type = SE_HEADER;
	symbol.mapping = linfo_se;   // Mapping rule: signed integer

	readSyntaxElement_VLC (&symbol, bitstream);
	*used_bits+=symbol.len;

#if TRACE
	printf("%s=%d\n",tracestring,symbol.value1);
#endif

	return symbol.value1;
}
Пример #5
0
Файл: vlc.c Проект: YouZhang/JM
/*!
 ************************************************************************
 * \brief
 *    read next UVLC codeword from UVLC-partition and
 *    map it to the corresponding syntax element
 ************************************************************************
 */
int readSyntaxElement_UVLC(SyntaxElement *sym, struct img_par *img, struct inp_par *inp, struct datapartition *dP)
{
  Bitstream   *currStream = dP->bitstream;

  return (readSyntaxElement_VLC(sym, currStream));
}