+++ /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_INPUTS 16
-
-
-typedef struct
-{ SNDFILE * infile [MAX_INPUTS] ;
- SNDFILE * outfile ;
-
- union
- { double d [BUFFER_LEN] ;
- int i [BUFFER_LEN] ;
- } din ;
-
- union
-
- { double d [MAX_INPUTS * BUFFER_LEN] ;
- int i [MAX_INPUTS * BUFFER_LEN] ;
- } dout ;
-
- int channels ;
-} STATE ;
-
-
-static void usage_exit (void) ;
-static void interleave_int (STATE * state) ;
-static void interleave_double (STATE * state) ;
-
-
-int
-main (int argc, char **argv)
-{ STATE state ;
- SF_INFO sfinfo ;
- int k, double_merge = 0 ;
-
- if (argc < 5)
- { if (argc > 1)
- puts ("\nError : need at least 2 input files.") ;
- usage_exit () ;
- } ;
-
- if (strcmp (argv [argc - 2], "-o") != 0)
- { puts ("\nError : second last command line parameter should be '-o'.\n") ;
- usage_exit () ;
- } ;
-
- if (argc - 3 > MAX_INPUTS)
- { printf ("\nError : Cannot handle more than %d input channels.\n\n", MAX_INPUTS) ;
- exit (1) ;
- } ;
-
- memset (&state, 0, sizeof (state)) ;
- memset (&sfinfo, 0, sizeof (sfinfo)) ;
-
- for (k = 1 ; k < argc - 2 ; k++)
- {
- if ((state.infile [k - 1] = sf_open (argv [k], SFM_READ, &sfinfo)) == NULL)
- { printf ("\nError : Not able to open input file '%s'\n%s\n", argv [k], sf_strerror (NULL)) ;
- exit (1) ;
- } ;
-
- if (sfinfo.channels != 1)
- { printf ("\bError : Input file '%s' should be mono (has %d channels).\n", argv [k], sfinfo.channels) ;
- exit (1) ;
- } ;
-
- switch (sfinfo.format & SF_FORMAT_SUBMASK)
- { case SF_FORMAT_FLOAT :
- case SF_FORMAT_DOUBLE :
- case SF_FORMAT_VORBIS :
- double_merge = 1 ;
- break ;
-
- default :
- break ;
- } ;
-
- state.channels ++ ;
- } ;
-
- sfinfo.channels = state.channels ;
- sfinfo.format = sfe_file_type_of_ext (argv [argc - 1], sfinfo.format) ;
-
- if ((state.outfile = sf_open (argv [argc - 1], SFM_WRITE, &sfinfo)) == NULL)
- { printf ("Not able to open output file '%s'\n%s\n", argv [argc - 1], sf_strerror (NULL)) ;
- exit (1) ;
- } ;
-
- if (double_merge)
- interleave_double (&state) ;
- else
- interleave_int (&state) ;
-
- for (k = 0 ; k < MAX_INPUTS ; k++)
- if (state.infile [k] != NULL)
- sf_close (state.infile [k]) ;
- sf_close (state.outfile) ;
-
- return 0 ;
-} /* main */
-
-/*------------------------------------------------------------------------------
-*/
-
-
-static void
-usage_exit (void)
-{ puts ("\nUsage : sndfile-interleave <input 1> <input 2> ... -o <output file>\n") ;
- puts ("Merge two or more mono files into a single multi-channel file.\n") ;
- printf ("Using %s.\n\n", sf_version_string ()) ;
- exit (0) ;
-} /* usage_exit */
-
-
-static void
-interleave_int (STATE * state)
-{ int max_read_len, read_len ;
- int ch, k ;
-
- do
- { max_read_len = 0 ;
-
- for (ch = 0 ; ch < state->channels ; ch ++)
- { read_len = sf_read_int (state->infile [ch], state->din.i, BUFFER_LEN) ;
- if (read_len < BUFFER_LEN)
- memset (state->din.i + read_len, 0, sizeof (state->din.i [0]) * (BUFFER_LEN - read_len)) ;
-
- for (k = 0 ; k < read_len ; k++)
- state->dout.i [k * state->channels + ch] = state->din.i [k] ;
-
- max_read_len = MAX (max_read_len, read_len) ;
- } ;
-
- sf_writef_int (state->outfile, state->dout.i, max_read_len) ;
- }
- while (max_read_len > 0) ;
-
-} /* interleave_int */
-
-
-static void
-interleave_double (STATE * state)
-{ int max_read_len, read_len ;
- int ch, k ;
-
- do
- { max_read_len = 0 ;
-
- for (ch = 0 ; ch < state->channels ; ch ++)
- { read_len = sf_read_double (state->infile [ch], state->din.d, BUFFER_LEN) ;
- if (read_len < BUFFER_LEN)
- memset (state->din.d + read_len, 0, sizeof (state->din.d [0]) * (BUFFER_LEN - read_len)) ;
-
- for (k = 0 ; k < read_len ; k++)
- state->dout.d [k * state->channels + ch] = state->din.d [k] ;
-
- max_read_len = MAX (max_read_len, read_len) ;
- } ;
-
- sf_writef_double (state->outfile, state->dout.d, max_read_len) ;
- }
- while (max_read_len > 0) ;
-
-} /* interleave_double */
projects / Faustine.git / blobdiff