--- /dev/null
+/*
+** Copyright (C) 1999-2011 Erik de Castro Lopo <erikd@mega-nerd.com>
+** Copyright (C) 2008 George Blood Audio
+**
+** 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 <ctype.h>
+#include <stdint.h>
+
+#include <sndfile.h>
+
+#include "common.h"
+
+#define BUFFER_LEN 4096
+
+#define MIN(x,y) ((x) < (y) ? (x) : (y))
+
+void
+sfe_copy_data_fp (SNDFILE *outfile, SNDFILE *infile, int channels)
+{ static double data [BUFFER_LEN], max ;
+ int frames, readcount, k ;
+
+ frames = BUFFER_LEN / channels ;
+ readcount = frames ;
+
+ sf_command (infile, SFC_CALC_SIGNAL_MAX, &max, sizeof (max)) ;
+
+ if (max < 1.0)
+ { while (readcount > 0)
+ { readcount = sf_readf_double (infile, data, frames) ;
+ sf_writef_double (outfile, data, readcount) ;
+ } ;
+ }
+ else
+ { sf_command (infile, SFC_SET_NORM_DOUBLE, NULL, SF_FALSE) ;
+
+ while (readcount > 0)
+ { readcount = sf_readf_double (infile, data, frames) ;
+ for (k = 0 ; k < readcount * channels ; k++)
+ data [k] /= max ;
+ sf_writef_double (outfile, data, readcount) ;
+ } ;
+ } ;
+
+ return ;
+} /* sfe_copy_data_fp */
+
+void
+sfe_copy_data_int (SNDFILE *outfile, SNDFILE *infile, int channels)
+{ static int data [BUFFER_LEN] ;
+ int frames, readcount ;
+
+ frames = BUFFER_LEN / channels ;
+ readcount = frames ;
+
+ while (readcount > 0)
+ { readcount = sf_readf_int (infile, data, frames) ;
+ sf_writef_int (outfile, data, readcount) ;
+ } ;
+
+ return ;
+} /* sfe_copy_data_int */
+
+/*==============================================================================
+*/
+
+static int
+merge_broadcast_info (SNDFILE * infile, SNDFILE * outfile, int format, const METADATA_INFO * info)
+{ SF_BROADCAST_INFO_2K binfo ;
+ int infileminor ;
+
+ memset (&binfo, 0, sizeof (binfo)) ;
+
+ if ((SF_FORMAT_TYPEMASK & format) != SF_FORMAT_WAV)
+ { printf ("Error : This is not a WAV file and hence broadcast info cannot be added to it.\n\n") ;
+ return 1 ;
+ } ;
+
+ infileminor = SF_FORMAT_SUBMASK & format ;
+
+ switch (infileminor)
+ { case SF_FORMAT_PCM_16 :
+ case SF_FORMAT_PCM_24 :
+ case SF_FORMAT_PCM_32 :
+ break ;
+
+ default :
+ printf (
+ "Warning : The EBU Technical Recommendation R68-2000 states that the only\n"
+ " allowed encodings are Linear PCM and MPEG3. This file is not in\n"
+ " the right format.\n\n"
+ ) ;
+ break ;
+ } ;
+
+ if (sf_command (infile, SFC_GET_BROADCAST_INFO, &binfo, sizeof (binfo)) == 0)
+ { if (infile == outfile)
+ { printf (
+ "Error : Attempting in-place broadcast info update, but file does not\n"
+ " have a 'bext' chunk to modify. The solution is to specify both\n"
+ " input and output files on the command line.\n\n"
+ ) ;
+ return 1 ;
+ } ;
+ } ;
+
+#define REPLACE_IF_NEW(x) \
+ if (info->x != NULL) \
+ { memset (binfo.x, 0, sizeof (binfo.x)) ; \
+ memcpy (binfo.x, info->x, MIN (strlen (info->x), sizeof (binfo.x))) ; \
+ } ;
+
+ REPLACE_IF_NEW (description) ;
+ REPLACE_IF_NEW (originator) ;
+ REPLACE_IF_NEW (originator_reference) ;
+ REPLACE_IF_NEW (origination_date) ;
+ REPLACE_IF_NEW (origination_time) ;
+ REPLACE_IF_NEW (umid) ;
+
+ /* Special case for Time Ref. */
+ if (info->time_ref != NULL)
+ { uint64_t ts = atoll (info->time_ref) ;
+
+ binfo.time_reference_high = (ts >> 32) ;
+ binfo.time_reference_low = (ts & 0xffffffff) ;
+ } ;
+
+ /* Special case for coding_history because we may want to append. */
+ if (info->coding_history != NULL)
+ { if (info->coding_hist_append)
+ { int slen = strlen (binfo.coding_history) ;
+
+ while (slen > 1 && isspace (binfo.coding_history [slen - 1]))
+ slen -- ;
+
+ memcpy (binfo.coding_history + slen, info->coding_history, sizeof (binfo.coding_history) - slen) ;
+ }
+ else
+ { size_t slen = MIN (strlen (info->coding_history), sizeof (binfo.coding_history)) ;
+
+ memset (binfo.coding_history, 0, sizeof (binfo.coding_history)) ;
+ memcpy (binfo.coding_history, info->coding_history, slen) ;
+ binfo.coding_history_size = slen ;
+ } ;
+ } ;
+
+ if (sf_command (outfile, SFC_SET_BROADCAST_INFO, &binfo, sizeof (binfo)) == 0)
+ { printf ("Error : Setting of broadcast info chunks failed.\n\n") ;
+ return 1 ;
+ } ;
+
+ return 0 ;
+} /* merge_broadcast_info*/
+
+static void
+update_strings (SNDFILE * outfile, const METADATA_INFO * info)
+{
+ if (info->title != NULL)
+ sf_set_string (outfile, SF_STR_TITLE, info->title) ;
+
+ if (info->copyright != NULL)
+ sf_set_string (outfile, SF_STR_COPYRIGHT, info->copyright) ;
+
+ if (info->artist != NULL)
+ sf_set_string (outfile, SF_STR_ARTIST, info->artist) ;
+
+ if (info->comment != NULL)
+ sf_set_string (outfile, SF_STR_COMMENT, info->comment) ;
+
+ if (info->date != NULL)
+ sf_set_string (outfile, SF_STR_DATE, info->date) ;
+
+ if (info->album != NULL)
+ sf_set_string (outfile, SF_STR_ALBUM, info->album) ;
+
+ if (info->license != NULL)
+ sf_set_string (outfile, SF_STR_LICENSE, info->license) ;
+
+} /* update_strings */
+
+
+
+void
+sfe_apply_metadata_changes (const char * filenames [2], const METADATA_INFO * info)
+{ SNDFILE *infile = NULL, *outfile = NULL ;
+ SF_INFO sfinfo ;
+ METADATA_INFO tmpinfo ;
+ int error_code = 0 ;
+
+ memset (&sfinfo, 0, sizeof (sfinfo)) ;
+ memset (&tmpinfo, 0, sizeof (tmpinfo)) ;
+
+ if (filenames [1] == NULL)
+ infile = outfile = sf_open (filenames [0], SFM_RDWR, &sfinfo) ;
+ else
+ { infile = sf_open (filenames [0], SFM_READ, &sfinfo) ;
+
+ /* Output must be WAV. */
+ sfinfo.format = SF_FORMAT_WAV | (SF_FORMAT_SUBMASK & sfinfo.format) ;
+ outfile = sf_open (filenames [1], SFM_WRITE, &sfinfo) ;
+ } ;
+
+ if (infile == NULL)
+ { printf ("Error : Not able to open input file '%s' : %s\n", filenames [0], sf_strerror (infile)) ;
+ error_code = 1 ;
+ goto cleanup_exit ;
+ } ;
+
+ if (outfile == NULL)
+ { printf ("Error : Not able to open output file '%s' : %s\n", filenames [1], sf_strerror (outfile)) ;
+ error_code = 1 ;
+ goto cleanup_exit ;
+ } ;
+
+ if (info->has_bext_fields && merge_broadcast_info (infile, outfile, sfinfo.format, info))
+ { error_code = 1 ;
+ goto cleanup_exit ;
+ } ;
+
+ if (infile != outfile)
+ { int infileminor = SF_FORMAT_SUBMASK & sfinfo.format ;
+
+ /* If the input file is not the same as the output file, copy the data. */
+ if ((infileminor == SF_FORMAT_DOUBLE) || (infileminor == SF_FORMAT_FLOAT))
+ sfe_copy_data_fp (outfile, infile, sfinfo.channels) ;
+ else
+ sfe_copy_data_int (outfile, infile, sfinfo.channels) ;
+ } ;
+
+ update_strings (outfile, info) ;
+
+cleanup_exit :
+
+ if (outfile != NULL && outfile != infile)
+ sf_close (outfile) ;
+
+ if (infile != NULL)
+ sf_close (infile) ;
+
+ if (error_code)
+ exit (error_code) ;
+
+ return ;
+} /* sfe_apply_metadata_changes */
+
+/*==============================================================================
+*/
+
+typedef struct
+{ const char *ext ;
+ int len ;
+ int format ;
+} OUTPUT_FORMAT_MAP ;
+
+static OUTPUT_FORMAT_MAP format_map [] =
+{
+ { "aif", 3, SF_FORMAT_AIFF },
+ { "wav", 0, SF_FORMAT_WAV },
+ { "au", 0, SF_FORMAT_AU },
+ { "caf", 0, SF_FORMAT_CAF },
+ { "flac", 0, SF_FORMAT_FLAC },
+ { "snd", 0, SF_FORMAT_AU },
+ { "svx", 0, SF_FORMAT_SVX },
+ { "paf", 0, SF_ENDIAN_BIG | SF_FORMAT_PAF },
+ { "fap", 0, SF_ENDIAN_LITTLE | SF_FORMAT_PAF },
+ { "gsm", 0, SF_FORMAT_RAW },
+ { "nist", 0, SF_FORMAT_NIST },
+ { "htk", 0, SF_FORMAT_HTK },
+ { "ircam", 0, SF_FORMAT_IRCAM },
+ { "sf", 0, SF_FORMAT_IRCAM },
+ { "voc", 0, SF_FORMAT_VOC },
+ { "w64", 0, SF_FORMAT_W64 },
+ { "raw", 0, SF_FORMAT_RAW },
+ { "mat4", 0, SF_FORMAT_MAT4 },
+ { "mat5", 0, SF_FORMAT_MAT5 },
+ { "mat", 0, SF_FORMAT_MAT4 },
+ { "pvf", 0, SF_FORMAT_PVF },
+ { "sds", 0, SF_FORMAT_SDS },
+ { "sd2", 0, SF_FORMAT_SD2 },
+ { "vox", 0, SF_FORMAT_RAW },
+ { "xi", 0, SF_FORMAT_XI },
+ { "wve", 0, SF_FORMAT_WVE },
+ { "oga", 0, SF_FORMAT_OGG },
+ { "mpc", 0, SF_FORMAT_MPC2K },
+ { "rf64", 0, SF_FORMAT_RF64 },
+} ; /* format_map */
+
+int
+sfe_file_type_of_ext (const char *str, int format)
+{ char buffer [16], *cptr ;
+ int k ;
+
+ format &= SF_FORMAT_SUBMASK ;
+
+ if ((cptr = strrchr (str, '.')) == NULL)
+ return 0 ;
+
+ strncpy (buffer, cptr + 1, 15) ;
+ buffer [15] = 0 ;
+
+ for (k = 0 ; buffer [k] ; k++)
+ buffer [k] = tolower ((buffer [k])) ;
+
+ if (strcmp (buffer, "gsm") == 0)
+ return SF_FORMAT_RAW | SF_FORMAT_GSM610 ;
+
+ if (strcmp (buffer, "vox") == 0)
+ return SF_FORMAT_RAW | SF_FORMAT_VOX_ADPCM ;
+
+ for (k = 0 ; k < (int) (sizeof (format_map) / sizeof (format_map [0])) ; k++)
+ { if (format_map [k].len > 0 && strncmp (buffer, format_map [k].ext, format_map [k].len) == 0)
+ return format_map [k].format | format ;
+ else if (strcmp (buffer, format_map [k].ext) == 0)
+ return format_map [k].format | format ;
+ } ;
+
+ /* Default if all the above fails. */
+ return (SF_FORMAT_WAV | SF_FORMAT_PCM_24) ;
+} /* sfe_file_type_of_ext */
+
+void
+sfe_dump_format_map (void)
+{ SF_FORMAT_INFO info ;
+ int k ;
+
+ for (k = 0 ; k < ARRAY_LEN (format_map) ; k++)
+ { info.format = format_map [k].format ;
+ sf_command (NULL, SFC_GET_FORMAT_INFO, &info, sizeof (info)) ;
+ printf (" %-10s : %s\n", format_map [k].ext, info.name == NULL ? "????" : info.name) ;
+ } ;
+
+} /* sfe_dump_format_map */
+
+const char *
+program_name (const char * argv0)
+{ const char * tmp ;
+
+ tmp = strrchr (argv0, '/') ;
+ argv0 = tmp ? tmp + 1 : argv0 ;
+
+ tmp = strrchr (argv0, '/') ;
+ argv0 = tmp ? tmp + 1 : argv0 ;
+
+ /* Remove leading libtool name mangling. */
+ if (strstr (argv0, "lt-") == argv0)
+ return argv0 + 3 ;
+
+ return argv0 ;
+} /* program_name */