X-Git-Url: https://scm.cri.ensmp.fr/git/Faustine.git/blobdiff_plain/1059e1cc0c2ecfa237406949aa26155b6a5b9154:/interpretor/lib/src/libsndfile-1.0.25/src/pvf.c..66f23d4fabf89ad09adbd4dfc15ac6b5b2b7da83:/interpreter/lib/src/libsndfile-1.0.25/src/static/git-favicon.png diff --git a/interpretor/lib/src/libsndfile-1.0.25/src/pvf.c b/interpretor/lib/src/libsndfile-1.0.25/src/pvf.c deleted file mode 100644 index 4ea24b6..0000000 --- a/interpretor/lib/src/libsndfile-1.0.25/src/pvf.c +++ /dev/null @@ -1,188 +0,0 @@ -/* -** Copyright (C) 2002-2011 Erik de Castro Lopo -** -** 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 -#include -#include -#include - -#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->file.mode == SFM_READ || (psf->file.mode == SFM_RDWR && psf->filelength > 0)) - { if ((error = pvf_read_header (psf))) - return error ; - } ; - - subformat = SF_CODEC (psf->sf.format) ; - - if (psf->file.mode == SFM_WRITE || psf->file.mode == SFM_RDWR) - { if ((SF_CONTAINER (psf->sf.format)) != 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 * UNUSED (psf)) -{ - return 0 ; -} /* pvf_close */ - -static int -pvf_write_header (SF_PRIVATE *psf, int UNUSED (calc_length)) -{ sf_count_t current ; - - if (psf->pipeoffset > 0) - return 0 ; - - 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) ; - - 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 */