diff options
Diffstat (limited to 'libs/libsndfile/src/pvf.c')
| -rw-r--r-- | libs/libsndfile/src/pvf.c | 199 |
1 files changed, 0 insertions, 199 deletions
diff --git a/libs/libsndfile/src/pvf.c b/libs/libsndfile/src/pvf.c deleted file mode 100644 index 1dab17ccb1..0000000000 --- a/libs/libsndfile/src/pvf.c +++ /dev/null @@ -1,199 +0,0 @@ -/* -** Copyright (C) 2002-2004 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" - -/*------------------------------------------------------------------------------ -** Macros to handle big/little endian issues. -*/ - -#define PVF1_MARKER (MAKE_MARKER ('P', 'V', 'F', '1')) - -/*------------------------------------------------------------------------------ -** Private static functions. -*/ - -static int pvf_close (SF_PRIVATE *psf) ; - -static int pvf_write_header (SF_PRIVATE *psf, int calc_length) ; -static int pvf_read_header (SF_PRIVATE *psf) ; - -/*------------------------------------------------------------------------------ -** Public function. -*/ - -int -pvf_open (SF_PRIVATE *psf) -{ int subformat ; - int error = 0 ; - - if (psf->mode == SFM_READ || (psf->mode == SFM_RDWR && psf->filelength > 0)) - { if ((error = pvf_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_PVF) - return SFE_BAD_OPEN_FORMAT ; - - psf->endian = SF_ENDIAN_BIG ; - - if (pvf_write_header (psf, SF_FALSE)) - return psf->error ; - - psf->write_header = pvf_write_header ; - } ; - - psf->container_close = pvf_close ; - - psf->blockwidth = psf->bytewidth * psf->sf.channels ; - - switch (subformat) - { case SF_FORMAT_PCM_S8 : /* 8-bit linear PCM. */ - case SF_FORMAT_PCM_16 : /* 16-bit linear PCM. */ - case SF_FORMAT_PCM_32 : /* 32-bit linear PCM. */ - error = pcm_init (psf) ; - break ; - - default : break ; - } ; - - return error ; -} /* pvf_open */ - -/*------------------------------------------------------------------------------ -*/ - -static int -pvf_close (SF_PRIVATE *psf) -{ - psf = psf ; - - return 0 ; -} /* pvf_close */ - -static int -pvf_write_header (SF_PRIVATE *psf, int calc_length) -{ sf_count_t current ; - - if (psf->pipeoffset > 0) - return 0 ; - - calc_length = calc_length ; /* Avoid a compiler warning. */ - - current = psf_ftell (psf) ; - - /* Reset the current header length to zero. */ - psf->header [0] = 0 ; - psf->headindex = 0 ; - - if (psf->is_pipe == SF_FALSE) - psf_fseek (psf, 0, SEEK_SET) ; - - LSF_SNPRINTF ((char*) psf->header, sizeof (psf->header), "PVF1\n%d %d %d\n", - psf->sf.channels, psf->sf.samplerate, psf->bytewidth * 8) ; - - psf->headindex = strlen ((char*) psf->header) ; - - /* Header construction complete so write it out. */ - psf_fwrite (psf->header, psf->headindex, 1, psf) ; - - if (psf->error) - return psf->error ; - - psf->dataoffset = psf->headindex ; - - if (current > 0) - psf_fseek (psf, current, SEEK_SET) ; - - return psf->error ; -} /* pvf_write_header */ - -static int -pvf_read_header (SF_PRIVATE *psf) -{ char buffer [32] ; - int marker, channels, samplerate, bitwidth ; - - psf_binheader_readf (psf, "pmj", 0, &marker, 1) ; - psf_log_printf (psf, "%M\n", marker) ; - - if (marker != PVF1_MARKER) - return SFE_PVF_NO_PVF1 ; - - /* Grab characters up until a newline which is replaced by an EOS. */ - psf_binheader_readf (psf, "G", buffer, sizeof (buffer)) ; - - if (sscanf (buffer, "%d %d %d", &channels, &samplerate, &bitwidth) != 3) - return SFE_PVF_BAD_HEADER ; - - psf_log_printf (psf, " Channels : %d\n Sample rate : %d\n Bit width : %d\n", - channels, samplerate, bitwidth) ; - - psf->sf.channels = channels ; - psf->sf.samplerate = samplerate ; - - switch (bitwidth) - { case 8 : - psf->sf.format = SF_FORMAT_PVF | SF_FORMAT_PCM_S8 ; - psf->bytewidth = 1 ; - break ; - - case 16 : - psf->sf.format = SF_FORMAT_PVF | SF_FORMAT_PCM_16 ; - psf->bytewidth = 2 ; - break ; - case 32 : - psf->sf.format = SF_FORMAT_PVF | SF_FORMAT_PCM_32 ; - psf->bytewidth = 4 ; - break ; - - default : - return SFE_PVF_BAD_BITWIDTH ; - } ; - - psf->dataoffset = psf_ftell (psf) ; - psf_log_printf (psf, " Data Offset : %D\n", psf->dataoffset) ; - - psf->endian = SF_ENDIAN_BIG ; - - psf->datalength = psf->filelength - psf->dataoffset ; - psf->blockwidth = psf->sf.channels * psf->bytewidth ; - - if (! psf->sf.frames && psf->blockwidth) - psf->sf.frames = (psf->filelength - psf->dataoffset) / psf->blockwidth ; - - return 0 ; -} /* pvf_read_header */ -/* -** Do not edit or modify anything in this comment block. -** The arch-tag line is a file identity tag for the GNU Arch -** revision control system. -** -** arch-tag: 20a26761-8bc1-41d7-b1f3-9793bf3d9864 -*/ |