+++ /dev/null
-/*
-** Copyright (C) 2009-2011 Erik de Castro Lopo <erikd@mega-nerd.com>
-**
-** All rights reserved.
-**
-** Redistribution and use in source and binary forms, with or without
-** modification, are permitted provided that the following conditions are
-** met:
-**
-** * Redistributions of source code must retain the above copyright
-** notice, this list of conditions and the following disclaimer.
-** * Redistributions in binary form must reproduce the above copyright
-** notice, this list of conditions and the following disclaimer in
-** the documentation and/or other materials provided with the
-** distribution.
-** * Neither the author nor the names of any contributors may be used
-** to endorse or promote products derived from this software without
-** specific prior written permission.
-**
-** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
-** TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
-** PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
-** CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
-** EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
-** PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
-** OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
-** WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
-** OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
-** ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-*/
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <sndfile.h>
-
-#include "common.h"
-
-#define BUFFER_LEN 4096
-#define MAX_CHANNELS 16
-
-
-typedef struct
-{ SNDFILE * infile ;
- SNDFILE * outfile [MAX_CHANNELS] ;
-
- union
- { double d [MAX_CHANNELS * BUFFER_LEN] ;
- int i [MAX_CHANNELS * BUFFER_LEN] ;
- } din ;
-
- union
- { double d [BUFFER_LEN] ;
- int i [BUFFER_LEN] ;
- } dout ;
-
- int channels ;
-} STATE ;
-
-static void usage_exit (void) ;
-
-static void deinterleave_int (STATE * state) ;
-static void deinterleave_double (STATE * state) ;
-
-int
-main (int argc, char **argv)
-{ STATE state ;
- SF_INFO sfinfo ;
- char pathname [512], ext [32], *cptr ;
- int ch, double_split ;
-
- if (argc != 2)
- { if (argc != 1)
- puts ("\nError : need a single input file.\n") ;
- usage_exit () ;
- } ;
-
- memset (&state, 0, sizeof (state)) ;
- memset (&sfinfo, 0, sizeof (sfinfo)) ;
-
- if ((state.infile = sf_open (argv [1], SFM_READ, &sfinfo)) == NULL)
- { printf ("\nError : Not able to open input file '%s'\n%s\n", argv [1], sf_strerror (NULL)) ;
- exit (1) ;
- } ;
-
- if (sfinfo.channels < 2)
- { printf ("\nError : Input file '%s' only has one channel.\n", argv [1]) ;
- exit (1) ;
- } ;
-
- state.channels = sfinfo.channels ;
- sfinfo.channels = 1 ;
-
- snprintf (pathname, sizeof (pathname), "%s", argv [1]) ;
- if ((cptr = strrchr (pathname, '.')) == NULL)
- ext [0] = 0 ;
- else
- { snprintf (ext, sizeof (ext), "%s", cptr) ;
- cptr [0] = 0 ;
- } ;
-
- printf ("Input file : %s\n", pathname) ;
- puts ("Output files :") ;
-
- for (ch = 0 ; ch < state.channels ; ch++)
- { char filename [520] ;
-
- snprintf (filename, sizeof (filename), "%s_%02d%s", pathname, ch, ext) ;
-
- if ((state.outfile [ch] = sf_open (filename, SFM_WRITE, &sfinfo)) == NULL)
- { printf ("Not able to open output file '%s'\n%s\n", filename, sf_strerror (NULL)) ;
- exit (1) ;
- } ;
-
- printf (" %s\n", filename) ;
- } ;
-
- switch (sfinfo.format & SF_FORMAT_SUBMASK)
- { case SF_FORMAT_FLOAT :
- case SF_FORMAT_DOUBLE :
- case SF_FORMAT_VORBIS :
- double_split = 1 ;
- break ;
-
- default :
- double_split = 0 ;
- break ;
- } ;
-
- if (double_split)
- deinterleave_double (&state) ;
- else
- deinterleave_int (&state) ;
-
- sf_close (state.infile) ;
- for (ch = 0 ; ch < MAX_CHANNELS ; ch++)
- if (state.outfile [ch] != NULL)
- sf_close (state.outfile [ch]) ;
-
- return 0 ;
-} /* main */
-
-/*------------------------------------------------------------------------------
-*/
-
-static void
-usage_exit (void)
-{ puts ("\nUsage : sndfile-deinterleave <filename>\n") ;
- puts (
- "Split a mutli-channel file into a set of mono files.\n"
- "\n"
- "If the input file is named 'a.wav', the output files will be named\n"
- "a_00.wav, a_01.wav and so on.\n"
- ) ;
- printf ("Using %s.\n\n", sf_version_string ()) ;
- exit (0) ;
-} /* usage_exit */
-
-static void
-deinterleave_int (STATE * state)
-{ int read_len ;
- int ch, k ;
-
- do
- { read_len = sf_readf_int (state->infile, state->din.i, BUFFER_LEN) ;
-
- for (ch = 0 ; ch < state->channels ; ch ++)
- { for (k = 0 ; k < read_len ; k++)
- state->dout.i [k] = state->din.i [k * state->channels + ch] ;
- sf_write_int (state->outfile [ch], state->dout.i, read_len) ;
- } ;
- }
- while (read_len > 0) ;
-
-} /* deinterleave_int */
-
-static void
-deinterleave_double (STATE * state)
-{ int read_len ;
- int ch, k ;
-
- do
- { read_len = sf_readf_double (state->infile, state->din.d, BUFFER_LEN) ;
-
- for (ch = 0 ; ch < state->channels ; ch ++)
- { for (k = 0 ; k < read_len ; k++)
- state->dout.d [k] = state->din.d [k * state->channels + ch] ;
- sf_write_double (state->outfile [ch], state->dout.d, read_len) ;
- } ;
- }
- while (read_len > 0) ;
-
-} /* deinterleave_double */
projects / Faustine.git / blobdiff