+++ /dev/null
-/*
-** Copyright (C) 2002-2011 Erik de Castro Lopo <erikd@mega-nerd.com>
-**
-** This program is free software; you can redistribute it and/or modify
-** it under the terms of the GNU Lesser General Public License as published by
-** the Free Software Foundation; either version 2.1 of the License, or
-** (at your option) any later version.
-**
-** This program is distributed in the hope that it will be useful,
-** but WITHOUT ANY WARRANTY; without even the implied warranty of
-** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-** GNU Lesser General Public License for more details.
-**
-** You should have received a copy of the GNU Lesser General Public License
-** along with this program; if not, write to the Free Software
-** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-*/
-
-#include "sfconfig.h"
-
-#include <stdio.h>
-#include <fcntl.h>
-#include <string.h>
-#include <ctype.h>
-
-#include "sndfile.h"
-#include "sfendian.h"
-#include "common.h"
-
-#if (ENABLE_EXPERIMENTAL_CODE == 0)
-
-int
-dwd_open (SF_PRIVATE *psf)
-{ if (psf)
- return SFE_UNIMPLEMENTED ;
- return 0 ;
-} /* dwd_open */
-
-#else
-
-/*------------------------------------------------------------------------------
-** Macros to handle big/little endian issues.
-*/
-
-#define SFE_DWD_NO_DWD 1666
-#define SFE_DWD_BAND_BIT_WIDTH 1667
-#define SFE_DWD_COMPRESSION 1668
-
-#define DWD_IDENTIFIER "DiamondWare Digitized\n\0\x1a"
-#define DWD_IDENTIFIER_LEN 24
-
-#define DWD_HEADER_LEN 57
-
-/*------------------------------------------------------------------------------
-** Typedefs.
-*/
-
-/*------------------------------------------------------------------------------
-** Private static functions.
-*/
-
-static int dwd_read_header (SF_PRIVATE *psf) ;
-
-static int dwd_close (SF_PRIVATE *psf) ;
-
-/*------------------------------------------------------------------------------
-** Public function.
-*/
-
-int
-dwd_open (SF_PRIVATE *psf)
-{ int error = 0 ;
-
- if (psf->file.mode == SFM_READ || (psf->file.mode == SFM_RDWR && psf->filelength > 0))
- { if ((error = dwd_read_header (psf)))
- return error ;
- } ;
-
- if ((SF_CONTAINER (psf->sf.format)) != SF_FORMAT_DWD)
- return SFE_BAD_OPEN_FORMAT ;
-
- if (psf->file.mode == SFM_WRITE || psf->file.mode == SFM_RDWR)
- {
- /*-psf->endian = SF_ENDIAN (psf->sf.format) ;
- if (CPU_IS_LITTLE_ENDIAN && psf->endian == SF_ENDIAN_CPU)
- psf->endian = SF_ENDIAN_LITTLE ;
- else if (psf->endian != SF_ENDIAN_LITTLE)
- psf->endian = SF_ENDIAN_BIG ;
-
- if (! (encoding = dwd_write_header (psf, SF_FALSE)))
- return psf->error ;
-
- psf->write_header = dwd_write_header ;
- -*/
- } ;
-
- psf->container_close = dwd_close ;
-
- /*-psf->blockwidth = psf->bytewidth * psf->sf.channels ;-*/
-
- return error ;
-} /* dwd_open */
-
-/*------------------------------------------------------------------------------
-*/
-
-static int
-dwd_close (SF_PRIVATE * UNUSED (psf))
-{
- return 0 ;
-} /* dwd_close */
-
-/* This struct contains all the fields of interest om the DWD header, but does not
-** do so in the same order and layout as the actual file, header.
-** No assumptions are made about the packing of this struct.
-*/
-typedef struct
-{ unsigned char major, minor, compression, channels, bitwidth ;
- unsigned short srate, maxval ;
- unsigned int id, datalen, frames, offset ;
-} DWD_HEADER ;
-
-static int
-dwd_read_header (SF_PRIVATE *psf)
-{ DWD_HEADER dwdh ;
-
- memset (psf->u.cbuf, 0, sizeof (psf->u.cbuf)) ;
- /* Set position to start of file to begin reading header. */
- psf_binheader_readf (psf, "pb", 0, psf->u.cbuf, DWD_IDENTIFIER_LEN) ;
-
- if (memcmp (psf->u.cbuf, DWD_IDENTIFIER, DWD_IDENTIFIER_LEN) != 0)
- return SFE_DWD_NO_DWD ;
-
- psf_log_printf (psf, "Read only : DiamondWare Digitized (.dwd)\n", psf->u.cbuf) ;
-
- psf_binheader_readf (psf, "11", &dwdh.major, &dwdh.minor) ;
- psf_binheader_readf (psf, "e4j1", &dwdh.id, 1, &dwdh.compression) ;
- psf_binheader_readf (psf, "e211", &dwdh.srate, &dwdh.channels, &dwdh.bitwidth) ;
- psf_binheader_readf (psf, "e24", &dwdh.maxval, &dwdh.datalen) ;
- psf_binheader_readf (psf, "e44", &dwdh.frames, &dwdh.offset) ;
-
- psf_log_printf (psf, " Version Major : %d\n Version Minor : %d\n Unique ID : %08X\n",
- dwdh.major, dwdh.minor, dwdh.id) ;
- psf_log_printf (psf, " Compression : %d => ", dwdh.compression) ;
-
- if (dwdh.compression != 0)
- { psf_log_printf (psf, "Unsupported compression\n") ;
- return SFE_DWD_COMPRESSION ;
- }
- else
- psf_log_printf (psf, "None\n") ;
-
- psf_log_printf (psf, " Sample Rate : %d\n Channels : %d\n"
- " Bit Width : %d\n",
- dwdh.srate, dwdh.channels, dwdh.bitwidth) ;
-
- switch (dwdh.bitwidth)
- { case 8 :
- psf->sf.format = SF_FORMAT_DWD | SF_FORMAT_PCM_S8 ;
- psf->bytewidth = 1 ;
- break ;
-
- case 16 :
- psf->sf.format = SF_FORMAT_DWD | SF_FORMAT_PCM_16 ;
- psf->bytewidth = 2 ;
- break ;
-
- default :
- psf_log_printf (psf, "*** Bad bit width %d\n", dwdh.bitwidth) ;
- return SFE_DWD_BAND_BIT_WIDTH ;
- } ;
-
- if (psf->filelength != dwdh.offset + dwdh.datalen)
- { psf_log_printf (psf, " Data Length : %d (should be %D)\n", dwdh.datalen, psf->filelength - dwdh.offset) ;
- dwdh.datalen = (unsigned int) (psf->filelength - dwdh.offset) ;
- }
- else
- psf_log_printf (psf, " Data Length : %d\n", dwdh.datalen) ;
-
- psf_log_printf (psf, " Max Value : %d\n", dwdh.maxval) ;
- psf_log_printf (psf, " Frames : %d\n", dwdh.frames) ;
- psf_log_printf (psf, " Data Offset : %d\n", dwdh.offset) ;
-
- psf->datalength = dwdh.datalen ;
- psf->dataoffset = dwdh.offset ;
-
- psf->endian = SF_ENDIAN_LITTLE ;
-
- psf->sf.samplerate = dwdh.srate ;
- psf->sf.channels = dwdh.channels ;
- psf->sf.sections = 1 ;
-
- return pcm_init (psf) ;
-} /* dwd_read_header */
-
-/*------------------------------------------------------------------------------
-*/
-
-#endif
-
projects / Faustine.git / blobdiff