C++ (Cpp) nist_write_header示例

示例#1

文件： nist.c 项目： stohrendorf/libsndfile

static int
nist_close	(SF_PRIVATE *psf)
{	if (psf->file.mode == SFM_WRITE || psf->file.mode == SFM_RDWR)
		nist_write_header (psf, SF_TRUE) ;

	return 0 ;
} /* nist_close */

示例#2

文件： nist.c 项目： OS2World/MM-SOUND-GOGO

static int	
nist_close	(SF_PRIVATE  *psf)
{
#if defined(USE_LIBSND_ALL) || defined(USE_LIBSND_WRITE) 
	if (psf->mode == SF_MODE_WRITE)
	{	/*  Now we know for certain the length of the file we can
		**  re-write correct values for the datasize header element.
		*/

		fseek (psf->file, 0, SEEK_END) ;
		psf->filelength = ftell (psf->file) ;

		psf->dataoffset = NIST_HEADER_LENGTH ;
		psf->datalength = psf->filelength - psf->dataoffset ;

		psf->sf.samples = psf->datalength / psf->blockwidth ;

		nist_write_header (psf) ;
		} ;
#endif

	if (psf->fdata)
		free (psf->fdata) ;
	psf->fdata = NULL ;
	
	return 0 ;
} /* nist_close */

示例#3

文件： nist.c 项目： stohrendorf/libsndfile

int
nist_open	(SF_PRIVATE *psf)
{	int error ;

	if (psf->file.mode == SFM_READ || (psf->file.mode == SFM_RDWR && psf->filelength > 0))
	{	if ((error = nist_read_header (psf)))
			return error ;
	} ;

	if (psf->file.mode == SFM_WRITE || psf->file.mode == SFM_RDWR)
	{	if (psf->is_pipe)
			return SFE_NO_PIPE_WRITE ;

		if ((SF_CONTAINER (psf->sf.format)) != SF_FORMAT_NIST)
			return	SFE_BAD_OPEN_FORMAT ;

		psf->endian = SF_ENDIAN (psf->sf.format) ;
		if (psf->endian == 0 || psf->endian == SF_ENDIAN_CPU)
			psf->endian = (CPU_IS_BIG_ENDIAN) ? SF_ENDIAN_BIG : SF_ENDIAN_LITTLE ;

		psf->blockwidth = psf->bytewidth * psf->sf.channels ;
		psf->sf.frames = 0 ;

		if ((error = nist_write_header (psf, SF_FALSE)))
			return error ;

		psf->write_header = nist_write_header ;
	} ;

	psf->container_close = nist_close ;

	switch (SF_CODEC (psf->sf.format))
	{	case SF_FORMAT_PCM_S8 :
			error = pcm_init (psf) ;
			break ;

		case SF_FORMAT_PCM_16 :
		case SF_FORMAT_PCM_24 :
		case SF_FORMAT_PCM_32 :
			error = pcm_init (psf) ;
			break ;

		case SF_FORMAT_ULAW :
			error = ulaw_init (psf) ;
			break ;

		case SF_FORMAT_ALAW :
			error = alaw_init (psf) ;
			break ;

		default :
			error = SFE_UNIMPLEMENTED ;
			break ;
	} ;

	return error ;
} /* nist_open */

示例#4

文件： nist.c 项目： joshlong/libcd

int 	
nist_open	(SF_PRIVATE *psf)
{	int subformat, error ;
	
	if (psf->mode == SFM_READ || (psf->mode == SFM_RDWR && psf->filelength > 0))
	{	if ((error = nist_read_header (psf)))
			return error ;
		} ;

	subformat = psf->sf.format & SF_FORMAT_SUBMASK ;
	
	if (psf->mode == SFM_WRITE || psf->mode == SFM_RDWR)
	{	if ((psf->sf.format & SF_FORMAT_TYPEMASK) != SF_FORMAT_NIST)
			return	SFE_BAD_OPEN_FORMAT ;
	
		psf->endian = psf->sf.format & SF_FORMAT_ENDMASK ;
		if (psf->endian == 0 || psf->endian == SF_ENDIAN_CPU)
			psf->endian = (CPU_IS_BIG_ENDIAN) ? SF_ENDIAN_BIG : SF_ENDIAN_LITTLE ;
	
		psf->blockwidth  = psf->bytewidth * psf->sf.channels ;
	
		if ((error = nist_write_header (psf, SF_FALSE)))
			return error ;
	
		psf->write_header = nist_write_header ;
		} ;

	psf->close = nist_close ;
	
	switch (psf->sf.format & SF_FORMAT_SUBMASK)
	{	case SF_FORMAT_PCM_S8 :
				error = pcm_init (psf) ;
				break ;
				
		case SF_FORMAT_PCM_16 :
		case SF_FORMAT_PCM_24 :
		case SF_FORMAT_PCM_32 :
				error = pcm_init (psf) ;
				break ;
				
		case SF_FORMAT_ULAW :
				error = ulaw_init (psf) ;
				break ;
				
		case SF_FORMAT_ALAW :
				error = alaw_init (psf) ;
				break ;
				
		default : error = SFE_UNIMPLEMENTED ;
				break ;
		} ;

	return error ;
} /* nist_open */

示例#5

文件： nist.c 项目： joshlong/libcd

static int	
nist_close	(SF_PRIVATE  *psf)
{
	if (psf->mode == SFM_WRITE || psf->mode == SFM_RDWR)
	{	/*  Now we know for certain the length of the file we can
		**  re-write correct values for the datasize header element.
		*/

		psf_fseek (psf->filedes, 0, SEEK_END) ;
		psf->filelength = psf_ftell (psf->filedes) ;

		psf->dataoffset = NIST_HEADER_LENGTH ;
		psf->datalength = psf->filelength - psf->dataoffset ;

		psf->sf.frames = psf->datalength / psf->blockwidth ;

		nist_write_header (psf, SF_FALSE) ;
		} ;

	return 0 ;
} /* nist_close */

示例#6

文件： nist.c 项目： OS2World/MM-SOUND-GOGO

int 	
nist_open_write	(SF_PRIVATE *psf)
{	int subformat, error ;
	
	if ((psf->sf.format & SF_FORMAT_TYPEMASK) != SF_FORMAT_NIST)
		return	SFE_BAD_OPEN_FORMAT ;

	subformat = psf->sf.format & SF_FORMAT_SUBMASK ;

	if (subformat == SF_FORMAT_PCM_BE)
		psf->endian = SF_ENDIAN_BIG ;
	else if (subformat == SF_FORMAT_PCM_LE)
		psf->endian = SF_ENDIAN_LITTLE ;
	else if (CPU_IS_BIG_ENDIAN && subformat == SF_FORMAT_PCM)
		psf->endian = SF_ENDIAN_BIG ;
	else if (CPU_IS_LITTLE_ENDIAN && subformat == SF_FORMAT_PCM)
		psf->endian = SF_ENDIAN_LITTLE ;
	else
		return	SFE_BAD_OPEN_FORMAT ;
		
	psf->bytewidth = BITWIDTH2BYTES (psf->sf.pcmbitwidth) ;
		
	psf->blockwidth  = psf->bytewidth * psf->sf.channels ;
 	psf->dataoffset  = NIST_HEADER_LENGTH ;
	psf->datalength  = psf->blockwidth * psf->sf.samples ;
	psf->filelength  = psf->datalength + psf->dataoffset ;
	psf->error       = 0 ;

	if ((error = pcm_write_init (psf)))
		return error ;

	psf->close        = (func_close)  nist_close ;
	psf->write_header = (func_wr_hdr) nist_write_header ;
		
	nist_write_header (psf) ;
	
	return 0 ;
} /* nist_open_write */