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cog/Frameworks/WavPack/Files/wvunpack.c

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////////////////////////////////////////////////////////////////////////////
// **** WAVPACK **** //
// Hybrid Lossless Wavefile Compressor //
// Copyright (c) 1998 - 2013 Conifer Software. //
// All Rights Reserved. //
// Distributed under the BSD Software License (see license.txt) //
////////////////////////////////////////////////////////////////////////////
// wvunpack.c
// This is the main module for the WavPack command-line decompressor.
#if defined(WIN32)
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#include <io.h>
#else
#if defined(__OS2__)
#define INCL_DOSPROCESS
#include <os2.h>
#include <io.h>
#endif
#include <sys/stat.h>
#include <sys/param.h>
#include <locale.h>
#include <iconv.h>
#if defined (__GNUC__)
#include <unistd.h>
#include <glob.h>
#endif
#endif
#if defined(__GNUC__) && !defined(WIN32)
#include <sys/time.h>
#else
#include <sys/timeb.h>
#endif
#include <math.h>
#include <string.h>
#include <fcntl.h>
#include <stdlib.h>
#include <stdio.h>
#include <ctype.h>
#include "wavpack.h"
#include "utils.h"
#include "md5.h"
#ifdef WIN32
#define strdup(x) _strdup(x)
#define fileno _fileno
#endif
#ifdef DEBUG_ALLOC
#define malloc malloc_db
#define realloc realloc_db
#define free free_db
void *malloc_db (uint32_t size);
void *realloc_db (void *ptr, uint32_t size);
void free_db (void *ptr);
int32_t dump_alloc (void);
static char *strdup (const char *s)
{ char *d = malloc (strlen (s) + 1); return strcpy (d, s); }
#endif
///////////////////////////// local variable storage //////////////////////////
static const char *sign_on = "\n"
" WVUNPACK Hybrid Lossless Audio Decompressor %s Version %s\n"
" Copyright (c) 1998 - 2013 Conifer Software. All Rights Reserved.\n\n";
static const char *usage =
#if defined (WIN32)
" Usage: WVUNPACK [-options] infile[.wv]|- [outfile[.wav]|outpath|-]\n"
" (infile may contain wildcards: ?,*)\n\n"
#else
" Usage: WVUNPACK [-options] infile[.wv]|- [...] [-o outfile[.wav]|outpath|-]\n"
#endif
" (multiple input files are allowed)\n\n"
" Options: -b = blindly decode all stream blocks & ignore length info\n"
" -c = extract cuesheet only to stdout (no audio decode)\n"
" (note: equivalent to -x \"cuesheet\")\n"
" -cc = extract cuesheet file (.cue) in addition to audio file\n"
" (note: equivalent to -xx \"cuesheet=%a.cue\")\n"
" -d = delete source file if successful (use with caution!)\n"
" -f = file info to stdout in machine-parsable format\n"
" --help = this help display\n"
" -i = ignore .wvc file (forces hybrid lossy decompression)\n"
#if defined (WIN32) || defined (__OS2__)
" -l = run at low priority (for smoother multitasking)\n"
#endif
" -m = calculate and display MD5 signature; verify if lossless\n"
" -n = no audio decoding (use with -xx to extract tags only)\n"
" --no-utf8-convert = leave tag items in UTF-8 on extract or display\n"
#if !defined (WIN32)
" -o FILENAME | PATH = specify output filename or path\n"
#endif
" -q = quiet (keep console output to a minimum)\n"
" -r = force raw audio decode (results in .raw extension)\n"
" -s = display summary information only to stdout (no audio decode)\n"
" -ss = display super summary (including tags) to stdout (no decode)\n"
" --skip=[sample|hh:mm:ss.ss] = start decoding at specified sample/time\n"
" -t = copy input file's time stamp to output file(s)\n"
" --until=[+|-][sample|hh:mm:ss.ss] = stop decoding at specified sample/time\n"
" (specifying a '+' causes sample/time to be relative to '--skip' point;\n"
" specifying a '-' causes sample/time to be relative to end of file)\n"
" -v = verify source data only (no output file created)\n"
" --version = write the version to stdout\n"
" -w = regenerate .wav header (ignore RIFF data in file)\n"
" -x \"Field\" = extract specified tag field only to stdout (no audio decode)\n"
" -xx \"Field[=file]\" = extract specified tag field to file, optional\n"
" filename specification can inlude following replacement codes:\n"
" %a = audio output filename\n"
" %t = tag field name (note: comes from data for binary tags)\n"
" %e = extension from binary tag source file, or 'txt' for text tag\n"
" -y = yes to overwrite warning (use with caution!)\n"
" -z = don't set console title to indicate progress\n\n"
" Web: Visit www.wavpack.com for latest version and info\n";
// this global is used to indicate the special "debug" mode where extra debug messages
// are displayed and all messages are logged to the file \wavpack.log
int debug_logging_mode;
static char overwrite_all, delete_source, raw_decode, no_utf8_convert, no_audio_decode, file_info,
summary, ignore_wvc, quiet_mode, calc_md5, copy_time, blind_decode, wav_decode, no_console_title;
static int num_files, file_index, outbuf_k;
static struct sample_time_index {
int value_is_time, value_is_relative, value_is_valid;
double value;
} skip, until;
static char *tag_extract_stdout; // extract single tag to stdout
static char **tag_extractions; // extract multiple tags to named files
static int num_tag_extractions;
/////////////////////////// local function declarations ///////////////////////
static void add_tag_extraction_to_list (char *spec);
static void parse_sample_time_index (struct sample_time_index *dst, char *src);
static int unpack_file (char *infilename, char *outfilename);
static void display_progress (double file_progress);
#define NO_ERROR 0L
#define SOFT_ERROR 1
#define HARD_ERROR 2
//////////////////////////////////////////////////////////////////////////////
// The "main" function for the command-line WavPack decompressor. //
//////////////////////////////////////////////////////////////////////////////
int main (argc, argv) int argc; char **argv;
{
#ifdef __EMX__ /* OS/2 */
_wildcard (&argc, &argv);
#endif
int verify_only = 0, error_count = 0, add_extension = 0, output_spec = 0, c_count = 0, x_count = 0;
char outpath, **matches = NULL, *outfilename = NULL;
int result;
#if defined(WIN32)
struct _finddata_t _finddata_t;
char selfname [MAX_PATH];
if (GetModuleFileName (NULL, selfname, sizeof (selfname)) && filespec_name (selfname) &&
_strupr (filespec_name (selfname)) && strstr (filespec_name (selfname), "DEBUG")) {
char **argv_t = argv;
int argc_t = argc;
debug_logging_mode = TRUE;
while (--argc_t)
error_line ("arg %d: %s", argc - argc_t, *++argv_t);
}
#else
if (filespec_name (*argv))
if (strstr (filespec_name (*argv), "ebug") || strstr (filespec_name (*argv), "DEBUG")) {
char **argv_t = argv;
int argc_t = argc;
debug_logging_mode = TRUE;
while (--argc_t)
error_line ("arg %d: %s", argc - argc_t, *++argv_t);
}
#endif
// loop through command-line arguments
while (--argc) {
if (**++argv == '-' && (*argv)[1] == '-' && (*argv)[2]) {
char *long_option = *argv + 2, *long_param = long_option;
while (*long_param)
if (*long_param++ == '=')
break;
if (!strcmp (long_option, "help")) { // --help
printf ("%s", usage);
return 1;
}
else if (!strcmp (long_option, "version")) { // --version
printf ("wvunpack %s\n", PACKAGE_VERSION);
printf ("libwavpack %s\n", WavpackGetLibraryVersionString ());
return 1;
}
else if (!strcmp (long_option, "no-utf8-convert")) // --no-utf8-convert
no_utf8_convert = 1;
else if (!strncmp (long_option, "skip", 4)) { // --skip
parse_sample_time_index (&skip, long_param);
if (!skip.value_is_valid || skip.value_is_relative) {
error_line ("invalid --skip parameter!");
++error_count;
}
}
else if (!strncmp (long_option, "until", 5)) { // --until
parse_sample_time_index (&until, long_param);
if (!until.value_is_valid) {
error_line ("invalid --until parameter!");
++error_count;
}
}
else {
error_line ("unknown option: %s !", long_option);
++error_count;
}
}
#if defined (WIN32)
else if ((**argv == '-' || **argv == '/') && (*argv)[1])
#else
else if ((**argv == '-') && (*argv)[1])
#endif
while (*++*argv)
switch (**argv) {
case 'Y': case 'y':
overwrite_all = 1;
break;
case 'C': case 'c':
if (++c_count == 2) {
add_tag_extraction_to_list ("cuesheet=%a.cue");
c_count = 0;
}
break;
case 'D': case 'd':
delete_source = 1;
break;
#if defined (WIN32)
case 'L': case 'l':
SetPriorityClass (GetCurrentProcess(), IDLE_PRIORITY_CLASS);
break;
#elif defined (__OS2__)
case 'L': case 'l':
DosSetPriority (0, PRTYC_IDLETIME, 0, 0);
break;
#endif
#if defined (WIN32)
case 'O': case 'o': // ignore -o in Windows to be Linux compatible
break;
#else
case 'O': case 'o':
output_spec = 1;
break;
#endif
case 'T': case 't':
copy_time = 1;
break;
case 'V': case 'v':
verify_only = 1;
break;
case 'F': case 'f':
file_info = quiet_mode = no_audio_decode = 1;
break;
case 'S': case 's':
no_audio_decode = 1;
++summary;
break;
case 'K': case 'k':
outbuf_k = strtol (++*argv, argv, 10);
if (outbuf_k < 1 || outbuf_k > 16384) // range-check for reasonable values
outbuf_k = 0;
--*argv;
break;
case 'M': case 'm':
calc_md5 = 1;
break;
case 'B': case 'b':
blind_decode = 1;
break;
case 'N': case 'n':
no_audio_decode = 1;
break;
case 'R': case 'r':
raw_decode = 1;
break;
case 'W': case 'w':
wav_decode = 1;
break;
case 'Q': case 'q':
quiet_mode = 1;
break;
case 'Z': case 'z':
no_console_title = 1;
break;
case 'X': case 'x':
if (++x_count == 3) {
error_line ("illegal option: %s !", *argv);
++error_count;
x_count = 0;
}
break;
case 'I': case 'i':
ignore_wvc = 1;
break;
default:
error_line ("illegal option: %c !", **argv);
++error_count;
}
else {
if (x_count) {
if (x_count == 1) {
if (tag_extract_stdout) {
error_line ("can't extract more than 1 tag item to stdout at a time!");
++error_count;
}
else {
tag_extract_stdout = *argv;
no_audio_decode = 1;
}
}
else if (x_count == 2)
add_tag_extraction_to_list (*argv);
x_count = 0;
}
#if defined (WIN32)
else if (!num_files) {
matches = realloc (matches, (num_files + 1) * sizeof (*matches));
matches [num_files] = malloc (strlen (*argv) + 10);
strcpy (matches [num_files], *argv);
if (*(matches [num_files]) != '-' && *(matches [num_files]) != '@' &&
!filespec_ext (matches [num_files]))
strcat (matches [num_files], ".wv");
num_files++;
}
else if (!outfilename) {
outfilename = malloc (strlen (*argv) + PATH_MAX);
strcpy (outfilename, *argv);
}
else {
error_line ("extra unknown argument: %s !", *argv);
++error_count;
}
#else
else if (output_spec) {
outfilename = malloc (strlen (*argv) + PATH_MAX);
strcpy (outfilename, *argv);
output_spec = 0;
}
else {
matches = realloc (matches, (num_files + 1) * sizeof (*matches));
matches [num_files] = malloc (strlen (*argv) + 10);
strcpy (matches [num_files], *argv);
if (*(matches [num_files]) != '-' && *(matches [num_files]) != '@' &&
!filespec_ext (matches [num_files]))
strcat (matches [num_files], ".wv");
num_files++;
}
#endif
}
}
// check for various command-line argument problems
if (delete_source && (verify_only || skip.value_is_valid || until.value_is_valid)) {
error_line ("can't delete in verify mode or when --skip or --until are used!");
delete_source = 0;
}
if (raw_decode && wav_decode) {
error_line ("-r (raw decode) and -w (wav header) modes are incompatible!");
++error_count;
}
if (verify_only && outfilename) {
error_line ("outfile specification and verify mode are incompatible!");
++error_count;
}
if (c_count == 1) {
if (tag_extract_stdout) {
error_line ("can't extract more than 1 tag item to stdout at a time!");
error_count++;
}
else {
tag_extract_stdout = "cuesheet";
no_audio_decode = 1;
}
}
if ((summary || tag_extract_stdout) && (num_tag_extractions || outfilename || verify_only || delete_source || wav_decode || raw_decode)) {
error_line ("can't display summary information or extract a tag to stdout and do anything else!");
++error_count;
}
if ((tag_extract_stdout || num_tag_extractions) && outfilename && *outfilename == '-') {
error_line ("can't extract tags when unpacking audio to stdout!");
++error_count;
}
if (!quiet_mode && !error_count)
fprintf (stderr, sign_on, VERSION_OS, WavpackGetLibraryVersionString ());
if (!num_files) {
printf ("%s", usage);
return 1;
}
if (error_count)
return 1;
setup_break ();
for (file_index = 0; file_index < num_files; ++file_index) {
char *infilename = matches [file_index];
// If the single infile specification begins with a '@', then it
// actually points to a file that contains the names of the files
// to be converted. This was included for use by Wim Speekenbrink's
// frontends, but could be used for other purposes.
if (*infilename == '@') {
FILE *list = fopen (infilename+1, "rt");
int di, c;
for (di = file_index; di < num_files - 1; di++)
matches [di] = matches [di + 1];
file_index--;
num_files--;
if (list == NULL) {
error_line ("file %s not found!", infilename+1);
free (infilename);
return 1;
}
while ((c = getc (list)) != EOF) {
while (c == '\n')
c = getc (list);
if (c != EOF) {
char *fname = malloc (PATH_MAX);
int ci = 0;
do
fname [ci++] = c;
while ((c = getc (list)) != '\n' && c != EOF && ci < PATH_MAX);
fname [ci++] = '\0';
fname = realloc (fname, ci);
matches = realloc (matches, ++num_files * sizeof (*matches));
for (di = num_files - 1; di > file_index + 1; di--)
matches [di] = matches [di - 1];
matches [++file_index] = fname;
}
}
fclose (list);
free (infilename);
}
#if defined (WIN32)
else if (filespec_wild (infilename)) {
FILE *list = fopen (infilename+1, "rt");
intptr_t file;
int di;
for (di = file_index; di < num_files - 1; di++)
matches [di] = matches [di + 1];
file_index--;
num_files--;
if ((file = _findfirst (infilename, &_finddata_t)) != (intptr_t) -1) {
do {
if (!(_finddata_t.attrib & _A_SUBDIR)) {
matches = realloc (matches, ++num_files * sizeof (*matches));
for (di = num_files - 1; di > file_index + 1; di--)
matches [di] = matches [di - 1];
matches [++file_index] = malloc (strlen (infilename) + strlen (_finddata_t.name) + 10);
strcpy (matches [file_index], infilename);
*filespec_name (matches [file_index]) = '\0';
strcat (matches [file_index], _finddata_t.name);
}
} while (_findnext (file, &_finddata_t) == 0);
_findclose (file);
}
free (infilename);
}
#endif
}
// If the outfile specification begins with a '@', then it actually points
// to a file that contains the output specification. This was included for
// use by Wim Speekenbrink's frontends because certain filenames could not
// be passed on the command-line, but could be used for other purposes.
if (outfilename && outfilename [0] == '@') {
FILE *list = fopen (outfilename+1, "rt");
int c;
if (list == NULL) {
error_line ("file %s not found!", outfilename+1);
free(outfilename);
return 1;
}
while ((c = getc (list)) == '\n');
if (c != EOF) {
int ci = 0;
do
outfilename [ci++] = c;
while ((c = getc (list)) != '\n' && c != EOF && ci < PATH_MAX);
outfilename [ci] = '\0';
}
else {
error_line ("output spec file is empty!");
free(outfilename);
fclose (list);
return 1;
}
fclose (list);
}
// if we found any files to process, this is where we start
if (num_files) {
if (outfilename && *outfilename != '-') {
outpath = (filespec_path (outfilename) != NULL);
if (num_files > 1 && !outpath) {
error_line ("%s is not a valid output path", outfilename);
free (outfilename);
return 1;
}
}
else
outpath = 0;
add_extension = !outfilename || outpath || !filespec_ext (outfilename);
// loop through and process files in list
for (file_index = 0; file_index < num_files; ++file_index) {
if (check_break ())
break;
// generate output filename
if (outpath) {
strcat (outfilename, filespec_name (matches [file_index]));
if (filespec_ext (outfilename))
*filespec_ext (outfilename) = '\0';
}
else if (!outfilename) {
outfilename = malloc (strlen (matches [file_index]) + 10);
strcpy (outfilename, matches [file_index]);
if (filespec_ext (outfilename))
*filespec_ext (outfilename) = '\0';
}
if (outfilename && *outfilename != '-' && add_extension)
strcat (outfilename, raw_decode ? ".raw" : ".wav");
if (num_files > 1 && !quiet_mode)
fprintf (stderr, "\n%s:\n", matches [file_index]);
result = unpack_file (matches [file_index], verify_only ? NULL : outfilename);
if (result != NO_ERROR)
++error_count;
if (result == HARD_ERROR)
break;
// clean up in preparation for potentially another file
if (outpath)
*filespec_name (outfilename) = '\0';
else if (*outfilename != '-') {
free (outfilename);
outfilename = NULL;
}
free (matches [file_index]);
}
if (num_files > 1) {
if (error_count)
fprintf (stderr, "\n **** warning: errors occurred in %d of %d files! ****\n", error_count, num_files);
else if (!quiet_mode)
fprintf (stderr, "\n **** %d files successfully processed ****\n", num_files);
}
free (matches);
}
else {
error_line ("nothing to do!");
++error_count;
}
if (outfilename)
free (outfilename);
#ifdef DEBUG_ALLOC
error_line ("malloc_count = %d", dump_alloc ());
#endif
if (!no_console_title)
DoSetConsoleTitle ("WvUnpack Completed");
return error_count ? 1 : 0;
}
// Parse the parameter of the --skip and --until commands, which are of the form:
// [+|-] [samples | hh:mm:ss.ss]
// The value is returned in a double (in the "dst" struct) as either samples or
// seconds (if a time is specified). If sample, the value must be an integer.
static void parse_sample_time_index (struct sample_time_index *dst, char *src)
{
int colons = 0;
double temp;
memset (dst, 0, sizeof (*dst));
if (*src == '+' || *src == '-')
dst->value_is_relative = (*src++ == '+') ? 1 : -1;
while (*src)
if (*src == ':') {
if (++colons == 3)
return;
src++;
dst->value_is_time = 1;
dst->value *= 60.0;
continue;
}
else if (*src == '.' || isdigit (*src)) {
temp = strtod (src, &src);
if (temp < 0.0 || (dst->value_is_time && temp >= 60.0) ||
(!dst->value_is_time && temp != floor (temp)))
return;
dst->value += temp;
}
else
return;
dst->value_is_valid = 1;
}
// Open specified file for writing, with overwrite check. If the specified file already exists (and the user has
// agreed to overwrite) then open a temp file instead and store a pointer to that filename at "tempfilename" (otherwise
// the pointer is set to NULL). The caller will be required to perform the rename (and free the pointer) once the file
// is completely written and closed. Note that for a file to be considered "overwritable", it must both be openable for
// reading and have at least 1 readable byte - this prevents us getting stuck on "nul" (Windows).
static FILE *open_output_file (char *filename, char **tempfilename)
{
FILE *retval, *testfile;
char dummy;
*tempfilename = NULL;
if (*filename == '-') {
#if defined(WIN32)
_setmode (fileno (stdout), O_BINARY);
#endif
#if defined(__OS2__)
setmode (fileno (stdout), O_BINARY);
#endif
return stdout;
}
testfile = fopen (filename, "rb");
if (testfile) {
size_t res = fread (&dummy, 1, 1, testfile);
fclose (testfile);
if (res == 1) {
int count = 0;
if (!overwrite_all) {
fprintf (stderr, "overwrite %s (yes/no/all)? ", FN_FIT (filename));
if (!no_console_title)
DoSetConsoleTitle ("overwrite?");
switch (yna ()) {
case 'n':
return NULL;
case 'a':
overwrite_all = 1;
}
}
*tempfilename = malloc (strlen (filename) + 16);
while (1) {
strcpy (*tempfilename, filename);
if (filespec_ext (*tempfilename)) {
if (count++)
sprintf (filespec_ext (*tempfilename), ".tmp%d", count-1);
else
strcpy (filespec_ext (*tempfilename), ".tmp");
strcat (*tempfilename, filespec_ext (filename));
}
else {
if (count++)
sprintf (*tempfilename + strlen (*tempfilename), ".tmp%d", count-1);
else
strcat (*tempfilename, ".tmp");
}
testfile = fopen (*tempfilename, "rb");
if (!testfile)
break;
res = fread (&dummy, 1, 1, testfile);
fclose (testfile);
if (res != 1)
break;
}
}
}
retval = fopen (*tempfilename ? *tempfilename : filename, "w+b");
if (retval == NULL)
error_line ("can't create file %s!", *tempfilename ? *tempfilename : filename);
return retval;
}
// Unpack the specified WavPack input file into the specified output file name.
// This function uses the library routines provided in wputils.c to do all
// unpacking. This function takes care of reformatting the data (which is
// returned in native-endian longs) to the standard little-endian format. This
// function also handles optionally calculating and displaying the MD5 sum of
// the resulting audio data and verifying the sum if a sum was stored in the
// source and lossless compression is used.
static int do_tag_extractions (WavpackContext *wpc, char *outfilename);
static unsigned char *format_samples (int bps, unsigned char *dst, int32_t *src, uint32_t samcnt);
static void dump_summary (WavpackContext *wpc, char *name, FILE *dst);
static int write_riff_header (FILE *outfile, WavpackContext *wpc, uint32_t total_samples);
static int dump_tag_item_to_file (WavpackContext *wpc, const char *tag_item, FILE *dst, char *fn);
static void dump_file_info (WavpackContext *wpc, char *name, FILE *dst);
static int unpack_file (char *infilename, char *outfilename)
{
int result = NO_ERROR, md5_diff = FALSE, created_riff_header = FALSE;
int open_flags = 0, bytes_per_sample, num_channels, wvc_mode, bps;
uint32_t output_buffer_size = 0, bcount, total_unpacked_samples = 0;
uint32_t skip_sample_index = 0, until_samples_total = 0;
unsigned char *output_buffer = NULL, *output_pointer = NULL;
double dtime, progress = -1.0;
char *outfilename_temp;
MD5_CTX md5_context;
WavpackContext *wpc;
int32_t *temp_buffer;
char error [80];
FILE *outfile;
#if defined(WIN32)
struct _timeb time1, time2;
#else
struct timeval time1, time2;
struct timezone timez;
#endif
// use library to open WavPack file
if ((outfilename && !raw_decode && !blind_decode && !wav_decode &&
!skip.value_is_valid && !until.value_is_valid) || summary > 1)
open_flags |= OPEN_WRAPPER;
if (blind_decode)
open_flags |= OPEN_STREAMING;
if (!ignore_wvc)
open_flags |= OPEN_WVC;
if (summary > 1 || num_tag_extractions || tag_extract_stdout)
open_flags |= OPEN_TAGS;
wpc = WavpackOpenFileInput (infilename, error, open_flags, 0);
if (!wpc) {
error_line (error);
return SOFT_ERROR;
}
if (calc_md5)
MD5Init (&md5_context);
wvc_mode = WavpackGetMode (wpc) & MODE_WVC;
num_channels = WavpackGetNumChannels (wpc);
bps = WavpackGetBytesPerSample (wpc);
bytes_per_sample = num_channels * bps;
if (skip.value_is_valid) {
if (skip.value_is_time)
skip_sample_index = (uint32_t) (skip.value * WavpackGetSampleRate (wpc));
else
skip_sample_index = (uint32_t) skip.value;
if (skip_sample_index && !WavpackSeekSample (wpc, skip_sample_index)) {
error_line ("can't seek to specified --skip point!");
WavpackCloseFile (wpc);
return SOFT_ERROR;
}
if (WavpackGetNumSamples (wpc) != (uint32_t) -1)
until_samples_total = WavpackGetNumSamples (wpc) - skip_sample_index;
}
if (until.value_is_valid) {
if (until.value_is_time)
until.value *= WavpackGetSampleRate (wpc);
if (until.value_is_relative == -1) {
if (WavpackGetNumSamples (wpc) == (uint32_t) -1) {
error_line ("can't use negative relative --until command with files of unknown length!");
WavpackCloseFile (wpc);
return SOFT_ERROR;
}
if ((uint32_t) until.value + skip_sample_index < WavpackGetNumSamples (wpc))
until_samples_total = WavpackGetNumSamples (wpc) - (uint32_t) until.value - skip_sample_index;
else
until_samples_total = 0;
}
else {
if (until.value_is_relative == 1)
until_samples_total = (uint32_t) until.value;
else if ((uint32_t) until.value > skip_sample_index)
until_samples_total = (uint32_t) until.value - skip_sample_index;
else
until_samples_total = 0;
if (WavpackGetNumSamples (wpc) != (uint32_t) -1 &&
skip_sample_index + until_samples_total > WavpackGetNumSamples (wpc))
until_samples_total = WavpackGetNumSamples (wpc) - skip_sample_index;
}
if (!until_samples_total) {
error_line ("--until command results in no samples to decode!");
WavpackCloseFile (wpc);
return SOFT_ERROR;
}
}
if (file_info)
dump_file_info (wpc, infilename, stdout);
else if (summary)
dump_summary (wpc, infilename, stdout);
else if (tag_extract_stdout) {
if (!dump_tag_item_to_file (wpc, tag_extract_stdout, stdout, NULL)) {
error_line ("tag \"%s\" not found!", tag_extract_stdout);
WavpackCloseFile (wpc);
return SOFT_ERROR;
}
}
else if (num_tag_extractions && outfilename && *outfilename != '-' && filespec_name (outfilename)) {
result = do_tag_extractions (wpc, outfilename);
if (result != NO_ERROR) {
WavpackCloseFile (wpc);
return result;
}
}
if (no_audio_decode) {
WavpackCloseFile (wpc);
return NO_ERROR;
}
if (outfilename) {
if ((outfile = open_output_file (outfilename, &outfilename_temp)) == NULL) {
WavpackCloseFile (wpc);
return SOFT_ERROR;
}
else if (*outfilename == '-') {
if (!quiet_mode)
fprintf (stderr, "unpacking %s%s to stdout,", *infilename == '-' ?
"stdin" : FN_FIT (infilename), wvc_mode ? " (+.wvc)" : "");
}
else if (!quiet_mode)
fprintf (stderr, "restoring %s,", FN_FIT (outfilename));
if (outbuf_k)
output_buffer_size = outbuf_k * 1024;
else
output_buffer_size = 1024 * 256;
output_pointer = output_buffer = malloc (output_buffer_size);
if (!output_buffer) {
error_line ("can't allocate buffer for decoding!");
WavpackCloseFile (wpc);
return HARD_ERROR;
}
}
else { // in verify only mode we don't worry about headers
outfile = NULL;
if (!quiet_mode)
fprintf (stderr, "verifying %s%s,", *infilename == '-' ? "stdin" :
FN_FIT (infilename), wvc_mode ? " (+.wvc)" : "");
}
#if defined(WIN32)
_ftime (&time1);
#else
gettimeofday(&time1,&timez);
#endif
if (outfile && !raw_decode) {
if (until_samples_total) {
if (!write_riff_header (outfile, wpc, until_samples_total)) {
DoTruncateFile (outfile);
result = HARD_ERROR;
}
else
created_riff_header = TRUE;
}
else if (WavpackGetWrapperBytes (wpc)) {
if (!DoWriteFile (outfile, WavpackGetWrapperData (wpc), WavpackGetWrapperBytes (wpc), &bcount) ||
bcount != WavpackGetWrapperBytes (wpc)) {
error_line ("can't write .WAV data, disk probably full!");
DoTruncateFile (outfile);
result = HARD_ERROR;
}
WavpackFreeWrapper (wpc);
}
else if (!write_riff_header (outfile, wpc, WavpackGetNumSamples (wpc))) {
DoTruncateFile (outfile);
result = HARD_ERROR;
}
else
created_riff_header = TRUE;
}
temp_buffer = malloc (4096L * num_channels * 4);
while (result == NO_ERROR) {
uint32_t samples_to_unpack, samples_unpacked;
if (output_buffer) {
samples_to_unpack = (output_buffer_size - (uint32_t)(output_pointer - output_buffer)) / bytes_per_sample;
if (samples_to_unpack > 4096)
samples_to_unpack = 4096;
}
else
samples_to_unpack = 4096;
if (until_samples_total && samples_to_unpack > until_samples_total - total_unpacked_samples)
samples_to_unpack = until_samples_total - total_unpacked_samples;
samples_unpacked = WavpackUnpackSamples (wpc, temp_buffer, samples_to_unpack);
total_unpacked_samples += samples_unpacked;
if (output_buffer) {
if (samples_unpacked)
output_pointer = format_samples (bps, output_pointer, temp_buffer, samples_unpacked * num_channels);
if (!samples_unpacked || (output_buffer_size - (output_pointer - output_buffer)) < (uint32_t) bytes_per_sample) {
if (!DoWriteFile (outfile, output_buffer, (uint32_t)(output_pointer - output_buffer), &bcount) ||
bcount != output_pointer - output_buffer) {
error_line ("can't write .WAV data, disk probably full!");
DoTruncateFile (outfile);
result = HARD_ERROR;
break;
}
output_pointer = output_buffer;
}
}
if (calc_md5 && samples_unpacked) {
format_samples (bps, (unsigned char *) temp_buffer, temp_buffer, samples_unpacked * num_channels);
MD5Update (&md5_context, (unsigned char *) temp_buffer, bps * samples_unpacked * num_channels);
}
if (!samples_unpacked)
break;
if (check_break ()) {
#if defined(WIN32)
fprintf (stderr, "^C\n");
#else
fprintf (stderr, "\n");
#endif
DoTruncateFile (outfile);
result = SOFT_ERROR;
break;
}
if (WavpackGetProgress (wpc) != -1.0 &&
progress != floor (WavpackGetProgress (wpc) * 100.0 + 0.5)) {
int nobs = progress == -1.0;
progress = WavpackGetProgress (wpc);
display_progress (progress);
progress = floor (progress * 100.0 + 0.5);
if (!quiet_mode)
fprintf (stderr, "%s%3d%% done...",
nobs ? " " : "\b\b\b\b\b\b\b\b\b\b\b\b", (int) progress);
}
}
if (output_buffer)
free (output_buffer);
if (!check_break () && calc_md5) {
char md5_string1 [] = "00000000000000000000000000000000";
char md5_string2 [] = "00000000000000000000000000000000";
unsigned char md5_original [16], md5_unpacked [16];
int i;
MD5Final (md5_unpacked, &md5_context);
if (WavpackGetMD5Sum (wpc, md5_original)) {
for (i = 0; i < 16; ++i)
sprintf (md5_string1 + (i * 2), "%02x", md5_original [i]);
error_line ("original md5: %s", md5_string1);
if (memcmp (md5_unpacked, md5_original, 16))
md5_diff = TRUE;
}
for (i = 0; i < 16; ++i)
sprintf (md5_string2 + (i * 2), "%02x", md5_unpacked [i]);
error_line ("unpacked md5: %s", md5_string2);
}
while (!created_riff_header && WavpackGetWrapperBytes (wpc)) {
if (outfile && result == NO_ERROR &&
(!DoWriteFile (outfile, WavpackGetWrapperData (wpc), WavpackGetWrapperBytes (wpc), &bcount) ||
bcount != WavpackGetWrapperBytes (wpc))) {
error_line ("can't write .WAV data, disk probably full!");
DoTruncateFile (outfile);
result = HARD_ERROR;
}
WavpackFreeWrapper (wpc);
WavpackUnpackSamples (wpc, temp_buffer, 1); // perhaps there's more RIFF info...
}
free (temp_buffer);
if (result == NO_ERROR && outfile && created_riff_header &&
(WavpackGetNumSamples (wpc) == (uint32_t) -1 ||
(until_samples_total ? until_samples_total : WavpackGetNumSamples (wpc)) != total_unpacked_samples)) {
if (*outfilename == '-' || DoSetFilePositionAbsolute (outfile, 0))
error_line ("can't update RIFF header with actual size");
else if (!write_riff_header (outfile, wpc, total_unpacked_samples)) {
DoTruncateFile (outfile);
result = HARD_ERROR;
}
}
// if we are not just in verify only mode, flush the output stream and if it's a real file (not stdout)
// close it and make sure it's not zero length (which means we got an error somewhere)
if (outfile) {
fflush (outfile);
if (*outfilename != '-') {
int64_t outfile_length = DoGetFileSize (outfile);
if (!DoCloseHandle (outfile)) {
error_line ("can't close file %s!", FN_FIT (outfilename));
result = SOFT_ERROR;
}
if (!outfile_length)
DoDeleteFile (outfilename_temp ? outfilename_temp : outfilename);
}
}
// if we were writing to a temp file because the target file already existed,
// do the rename / overwrite now (and if that fails, flag the error)
#if defined(WIN32)
if (result == NO_ERROR && outfilename && outfilename_temp) {
if (remove (outfilename)) {
error_line ("can not remove file %s, result saved in %s!", outfilename, outfilename_temp);
result = SOFT_ERROR;
}
else if (rename (outfilename_temp, outfilename)) {
error_line ("can not rename temp file %s to %s!", outfilename_temp, outfilename);
result = SOFT_ERROR;
}
}
#else
if (result == NO_ERROR && outfilename && outfilename_temp && rename (outfilename_temp, outfilename)) {
error_line ("can not rename temp file %s to %s!", outfilename_temp, outfilename);
result = SOFT_ERROR;
}
#endif
if (outfilename && outfilename_temp) free (outfilename_temp);
if (result == NO_ERROR && copy_time && outfilename &&
!copy_timestamp (infilename, outfilename))
error_line ("failure copying time stamp!");
if (result == NO_ERROR) {
if (!until_samples_total && WavpackGetNumSamples (wpc) != (uint32_t) -1) {
if (total_unpacked_samples < WavpackGetNumSamples (wpc)) {
error_line ("file is missing %u samples!",
WavpackGetNumSamples (wpc) - total_unpacked_samples);
result = SOFT_ERROR;
}
else if (total_unpacked_samples > WavpackGetNumSamples (wpc)) {
error_line ("file has %u extra samples!",
total_unpacked_samples - WavpackGetNumSamples (wpc));
result = SOFT_ERROR;
}
}
if (WavpackGetNumErrors (wpc)) {
error_line ("missing data or crc errors detected in %d block(s)!", WavpackGetNumErrors (wpc));
result = SOFT_ERROR;
}
}
if (result == NO_ERROR && md5_diff && (WavpackGetMode (wpc) & MODE_LOSSLESS) && !until_samples_total) {
error_line ("MD5 signatures should match, but do not!");
result = SOFT_ERROR;
}
// Compute and display the time consumed along with some other details of
// the unpacking operation (assuming there was no error).
#if defined(WIN32)
_ftime (&time2);
dtime = time2.time + time2.millitm / 1000.0;
dtime -= time1.time + time1.millitm / 1000.0;
#else
gettimeofday(&time2,&timez);
dtime = time2.tv_sec + time2.tv_usec / 1000000.0;
dtime -= time1.tv_sec + time1.tv_usec / 1000000.0;
#endif
if (result == NO_ERROR && !quiet_mode) {
char *file, *fext, *oper, *cmode, cratio [16] = "";
if (outfilename && *outfilename != '-') {
file = FN_FIT (outfilename);
fext = "";
oper = "restored";
}
else {
file = (*infilename == '-') ? "stdin" : FN_FIT (infilename);
fext = wvc_mode ? " (+.wvc)" : "";
oper = outfilename ? "unpacked" : "verified";
}
if (WavpackGetMode (wpc) & MODE_LOSSLESS) {
cmode = "lossless";
if (WavpackGetRatio (wpc) != 0.0)
sprintf (cratio, ", %.2f%%", 100.0 - WavpackGetRatio (wpc) * 100.0);
}
else {
cmode = "lossy";
if (WavpackGetAverageBitrate (wpc, TRUE) != 0.0)
sprintf (cratio, ", %d kbps", (int) (WavpackGetAverageBitrate (wpc, TRUE) / 1000.0));
}
error_line ("%s %s%s in %.2f secs (%s%s)", oper, file, fext, dtime, cmode, cratio);
}
WavpackCloseFile (wpc);
if (result == NO_ERROR && delete_source) {
int res = DoDeleteFile (infilename);
if (!quiet_mode || !res)
error_line ("%s source file %s", res ?
"deleted" : "can't delete", infilename);
if (wvc_mode) {
char in2filename [PATH_MAX];
strcpy (in2filename, infilename);
strcat (in2filename, "c");
res = DoDeleteFile (in2filename);
if (!quiet_mode || !res)
error_line ("%s source file %s", res ?
"deleted" : "can't delete", in2filename);
}
}
return result;
}
static void add_tag_extraction_to_list (char *spec)
{
tag_extractions = realloc (tag_extractions, (num_tag_extractions + 1) * sizeof (*tag_extractions));
tag_extractions [num_tag_extractions] = malloc (strlen (spec) + 10);
strcpy (tag_extractions [num_tag_extractions], spec);
num_tag_extractions++;
}
static int do_tag_extractions (WavpackContext *wpc, char *outfilename)
{
int result = NO_ERROR, i;
FILE *outfile;
for (i = 0; result == NO_ERROR && i < num_tag_extractions; ++i) {
char *extraction_spec = strdup (tag_extractions [i]);
char *output_spec = strchr (extraction_spec, '=');
char tag_filename [256];
if (output_spec && output_spec > extraction_spec && strlen (output_spec) > 1)
*output_spec++ = 0;
if (dump_tag_item_to_file (wpc, extraction_spec, NULL, tag_filename)) {
int max_length = (int) strlen (outfilename) + (int) strlen (tag_filename) + 10;
char *full_filename;
if (output_spec)
max_length += (int) strlen (output_spec) + 256;
full_filename = malloc (max_length * 2 + 1);
strcpy (full_filename, outfilename);
if (output_spec) {
char *dst = filespec_name (full_filename);
while (*output_spec && dst - full_filename < max_length) {
if (*output_spec == '%') {
switch (*++output_spec) {
case 'a': // audio filename
strcpy (dst, filespec_name (outfilename));
if (filespec_ext (dst)) // get rid of any extension
dst = filespec_ext (dst);
else
dst += strlen (dst);
output_spec++;
break;
case 't': // tag field name
strcpy (dst, tag_filename);
if (filespec_ext (dst)) // get rid of any extension
dst = filespec_ext (dst);
else
dst += strlen (dst);
output_spec++;
break;
case 'e': // default extension
if (filespec_ext (tag_filename)) {
strcpy (dst, filespec_ext (tag_filename) + 1);
dst += strlen (dst);
}
output_spec++;
break;
default:
*dst++ = '%';
}
}
else
*dst++ = *output_spec++;
}
*dst = 0;
}
else
strcpy (filespec_name (full_filename), tag_filename);
if (!overwrite_all && (outfile = fopen (full_filename, "r")) != NULL) {
DoCloseHandle (outfile);
fprintf (stderr, "overwrite %s (yes/no/all)? ", FN_FIT (full_filename));
if (!no_console_title)
DoSetConsoleTitle ("overwrite?");
switch (yna ()) {
case 'n':
*full_filename = 0;
break;
case 'a':
overwrite_all = 1;
}
}
// open output file for writing
if (*full_filename) {
if ((outfile = fopen (full_filename, "w")) == NULL) {
error_line ("can't create file %s!", FN_FIT (full_filename));
result = SOFT_ERROR;
}
else {
dump_tag_item_to_file (wpc, extraction_spec, outfile, NULL);
if (!DoCloseHandle (outfile)) {
error_line ("can't close file %s!", FN_FIT (full_filename));
result = SOFT_ERROR;
}
else if (!quiet_mode)
error_line ("extracted tag \"%s\" to file %s", extraction_spec, FN_FIT (full_filename));
}
}
free (full_filename);
}
free (extraction_spec);
}
return result;
}
// Reformat samples from longs in processor's native endian mode to
// little-endian data with (possibly) less than 4 bytes / sample.
static unsigned char *format_samples (int bps, unsigned char *dst, int32_t *src, uint32_t samcnt)
{
int32_t temp;
switch (bps) {
case 1:
while (samcnt--)
*dst++ = *src++ + 128;
break;
case 2:
while (samcnt--) {
*dst++ = (unsigned char) (temp = *src++);
*dst++ = (unsigned char) (temp >> 8);
}
break;
case 3:
while (samcnt--) {
*dst++ = (unsigned char) (temp = *src++);
*dst++ = (unsigned char) (temp >> 8);
*dst++ = (unsigned char) (temp >> 16);
}
break;
case 4:
while (samcnt--) {
*dst++ = (unsigned char) (temp = *src++);
*dst++ = (unsigned char) (temp >> 8);
*dst++ = (unsigned char) (temp >> 16);
*dst++ = (unsigned char) (temp >> 24);
}
break;
}
return dst;
}
static int write_riff_header (FILE *outfile, WavpackContext *wpc, uint32_t total_samples)
{
RiffChunkHeader riffhdr;
ChunkHeader datahdr, fmthdr;
WaveHeader wavhdr;
uint32_t bcount;
uint32_t total_data_bytes;
int num_channels = WavpackGetNumChannels (wpc);
int32_t channel_mask = WavpackGetChannelMask (wpc);
int32_t sample_rate = WavpackGetSampleRate (wpc);
int bytes_per_sample = WavpackGetBytesPerSample (wpc);
int bits_per_sample = WavpackGetBitsPerSample (wpc);
int format = WavpackGetFloatNormExp (wpc) ? 3 : 1;
int wavhdrsize = 16;
if (format == 3 && WavpackGetFloatNormExp (wpc) != 127) {
error_line ("can't create valid RIFF wav header for non-normalized floating data!");
return FALSE;
}
if (total_samples == (uint32_t) -1)
total_samples = 0x7ffff000 / (bytes_per_sample * num_channels);
total_data_bytes = total_samples * bytes_per_sample * num_channels;
CLEAR (wavhdr);
wavhdr.FormatTag = format;
wavhdr.NumChannels = num_channels;
wavhdr.SampleRate = sample_rate;
wavhdr.BytesPerSecond = sample_rate * num_channels * bytes_per_sample;
wavhdr.BlockAlign = bytes_per_sample * num_channels;
wavhdr.BitsPerSample = bits_per_sample;
if (num_channels > 2 || channel_mask != 0x5 - num_channels) {
wavhdrsize = sizeof (wavhdr);
wavhdr.cbSize = 22;
wavhdr.ValidBitsPerSample = bits_per_sample;
wavhdr.SubFormat = format;
wavhdr.ChannelMask = channel_mask;
wavhdr.FormatTag = 0xfffe;
wavhdr.BitsPerSample = bytes_per_sample * 8;
wavhdr.GUID [4] = 0x10;
wavhdr.GUID [6] = 0x80;
wavhdr.GUID [9] = 0xaa;
wavhdr.GUID [11] = 0x38;
wavhdr.GUID [12] = 0x9b;
wavhdr.GUID [13] = 0x71;
}
strncpy (riffhdr.ckID, "RIFF", sizeof (riffhdr.ckID));
strncpy (riffhdr.formType, "WAVE", sizeof (riffhdr.formType));
riffhdr.ckSize = sizeof (riffhdr) + wavhdrsize + sizeof (datahdr) + total_data_bytes;
strncpy (fmthdr.ckID, "fmt ", sizeof (fmthdr.ckID));
fmthdr.ckSize = wavhdrsize;
strncpy (datahdr.ckID, "data", sizeof (datahdr.ckID));
datahdr.ckSize = total_data_bytes;
// write the RIFF chunks up to just before the data starts
WavpackNativeToLittleEndian (&riffhdr, ChunkHeaderFormat);
WavpackNativeToLittleEndian (&fmthdr, ChunkHeaderFormat);
WavpackNativeToLittleEndian (&wavhdr, WaveHeaderFormat);
WavpackNativeToLittleEndian (&datahdr, ChunkHeaderFormat);
if (!DoWriteFile (outfile, &riffhdr, sizeof (riffhdr), &bcount) || bcount != sizeof (riffhdr) ||
!DoWriteFile (outfile, &fmthdr, sizeof (fmthdr), &bcount) || bcount != sizeof (fmthdr) ||
!DoWriteFile (outfile, &wavhdr, wavhdrsize, &bcount) || bcount != wavhdrsize ||
!DoWriteFile (outfile, &datahdr, sizeof (datahdr), &bcount) || bcount != sizeof (datahdr)) {
error_line ("can't write .WAV data, disk probably full!");
return FALSE;
}
return TRUE;
}
static void dump_UTF8_string (char *string, FILE *dst);
static void UTF8ToAnsi (char *string, int len);
static const char *speakers [] = {
"FL", "FR", "FC", "LFE", "BL", "BR", "FLC", "FRC", "BC",
"SL", "SR", "TC", "TFL", "TFC", "TFR", "TBL", "TBC", "TBR"
};
static void dump_summary (WavpackContext *wpc, char *name, FILE *dst)
{
uint32_t channel_mask = (uint32_t) WavpackGetChannelMask (wpc);
int num_channels = WavpackGetNumChannels (wpc);
unsigned char md5_sum [16];
char modes [80];
fprintf (dst, "\n");
if (name && *name != '-') {
fprintf (dst, "file name: %s%s\n", name, (WavpackGetMode (wpc) & MODE_WVC) ? " (+wvc)" : "");
fprintf (dst, "file size: %u bytes\n", WavpackGetFileSize (wpc));
}
fprintf (dst, "source: %d-bit %s at %u Hz\n", WavpackGetBitsPerSample (wpc),
(WavpackGetMode (wpc) & MODE_FLOAT) ? "floats" : "ints",
WavpackGetSampleRate (wpc));
if (!channel_mask)
strcpy (modes, "unassigned speakers");
else if (num_channels == 1 && channel_mask == 0x4)
strcpy (modes, "mono");
else if (num_channels == 2 && channel_mask == 0x3)
strcpy (modes, "stereo");
else {
int cc = num_channels, si = 0;
uint32_t cm = channel_mask;
modes [0] = 0;
while (cc && cm) {
if (cm & 1) {
strcat (modes, speakers [si]);
if (--cc)
strcat (modes, ",");
}
cm >>= 1;
si++;
}
if (cc)
strcat (modes, "...");
}
fprintf (dst, "channels: %d (%s)\n", num_channels, modes);
if (WavpackGetNumSamples (wpc) != (uint32_t) -1) {
double seconds = (double) WavpackGetNumSamples (wpc) / WavpackGetSampleRate (wpc);
int minutes = (int) floor (seconds / 60.0);
int hours = (int) floor (seconds / 3600.0);
seconds -= minutes * 60.0;
minutes -= (int)(hours * 60.0);
fprintf (dst, "duration: %d:%02d:%05.2f\n", hours, minutes, seconds);
}
modes [0] = 0;
if (WavpackGetMode (wpc) & MODE_HYBRID)
strcat (modes, "hybrid ");
strcat (modes, (WavpackGetMode (wpc) & MODE_LOSSLESS) ? "lossless" : "lossy");
if (WavpackGetMode (wpc) & MODE_FAST)
strcat (modes, ", fast");
else if (WavpackGetMode (wpc) & MODE_VERY_HIGH)
strcat (modes, ", very high");
else if (WavpackGetMode (wpc) & MODE_HIGH)
strcat (modes, ", high");
if (WavpackGetMode (wpc) & MODE_EXTRA) {
strcat (modes, ", extra");
if (WavpackGetMode (wpc) & MODE_XMODE) {
char xmode[3] = "-0";
xmode [1] = ((WavpackGetMode (wpc) & MODE_XMODE) >> 12) + '0';
strcat (modes, xmode);
}
}
if (WavpackGetMode (wpc) & MODE_SFX)
strcat (modes, ", sfx");
if (WavpackGetMode (wpc) & MODE_DNS)
strcat (modes, ", dns");
fprintf (dst, "modalities: %s\n", modes);
if (WavpackGetRatio (wpc) != 0.0) {
fprintf (dst, "compression: %.2f%%\n", 100.0 - (100 * WavpackGetRatio (wpc)));
fprintf (dst, "ave bitrate: %d kbps\n", (int) ((WavpackGetAverageBitrate (wpc, TRUE) + 500.0) / 1000.0));
if (WavpackGetMode (wpc) & MODE_WVC)
fprintf (dst, "ave lossy bitrate: %d kbps\n", (int) ((WavpackGetAverageBitrate (wpc, FALSE) + 500.0) / 1000.0));
}
if (WavpackGetVersion (wpc))
fprintf (dst, "encoder version: %d\n", WavpackGetVersion (wpc));
if (WavpackGetMD5Sum (wpc, md5_sum)) {
char md5_string [] = "00000000000000000000000000000000";
int i;
for (i = 0; i < 16; ++i)
sprintf (md5_string + (i * 2), "%02x", md5_sum [i]);
fprintf (dst, "original md5: %s\n", md5_string);
}
if (summary > 1) {
uint32_t header_bytes = WavpackGetWrapperBytes (wpc), trailer_bytes, i;
unsigned char *header_data = WavpackGetWrapperData (wpc);
char header_name [5];
strcpy (header_name, "????");
for (i = 0; i < 4 && i < header_bytes; ++i)
if (header_data [i] >= 0x20 && header_data [i] <= 0x7f)
header_name [i] = header_data [i];
WavpackFreeWrapper (wpc);
WavpackSeekTrailingWrapper (wpc);
trailer_bytes = WavpackGetWrapperBytes (wpc);
if (header_bytes && trailer_bytes)
fprintf (dst, "file wrapper: %d + %d bytes (%s)\n",
header_bytes, trailer_bytes, header_name);
else if (header_bytes)
fprintf (dst, "file wrapper: %d byte %s header\n",
header_bytes, header_name);
else if (trailer_bytes)
fprintf (dst, "file wrapper: %d byte trailer only\n",
trailer_bytes);
else
fprintf (dst, "file wrapper: none (raw audio)\n");
}
if (WavpackGetMode (wpc) & MODE_VALID_TAG) {
int ape_tag = WavpackGetMode (wpc) & MODE_APETAG;
int num_binary_items = WavpackGetNumBinaryTagItems (wpc);
int num_items = WavpackGetNumTagItems (wpc), i;
char *spaces = " ";
fprintf (dst, "\n%s tag items: %d\n", ape_tag ? "APEv2" : "ID3v1", num_items + num_binary_items);
for (i = 0; i < num_items; ++i) {
int item_len, value_len, j;
char *item, *value;
item_len = WavpackGetTagItemIndexed (wpc, i, NULL, 0);
item = malloc (item_len + 1);
WavpackGetTagItemIndexed (wpc, i, item, item_len + 1);
value_len = WavpackGetTagItem (wpc, item, NULL, 0);
value = malloc (value_len * 2 + 1);
WavpackGetTagItem (wpc, item, value, value_len + 1);
fprintf (dst, "%s:%s", item, strlen (item) < strlen (spaces) ? spaces + strlen (item) : " ");
if (ape_tag) {
for (j = 0; j < value_len; ++j)
if (!value [j])
value [j] = '\\';
if (strchr (value, '\n'))
fprintf (dst, "%d-byte multi-line text string\n", value_len);
else {
dump_UTF8_string (value, dst);
fprintf (dst, "\n");
}
}
else
fprintf (dst, "%s\n", value);
free (value);
free (item);
}
for (i = 0; i < num_binary_items; ++i) {
int item_len, value_len;
char *item, fname [256];
item_len = WavpackGetBinaryTagItemIndexed (wpc, i, NULL, 0);
item = malloc (item_len + 1);
WavpackGetBinaryTagItemIndexed (wpc, i, item, item_len + 1);
value_len = dump_tag_item_to_file (wpc, item, NULL, fname);
fprintf (dst, "%s:%s", item, strlen (item) < strlen (spaces) ? spaces + strlen (item) : " ");
if (filespec_ext (fname))
fprintf (dst, "%d-byte binary item (%s)\n", value_len, filespec_ext (fname)+1);
else
fprintf (dst, "%d-byte binary item\n", value_len);
#if 0 // debug binary tag reading
{
char md5_string [] = "00000000000000000000000000000000";
unsigned char md5_result [16];
MD5_CTX md5_context;
char *value;
int i, j;
MD5Init (&md5_context);
value_len = WavpackGetBinaryTagItem (wpc, item, NULL, 0);
value = malloc (value_len);
value_len = WavpackGetBinaryTagItem (wpc, item, value, value_len);
for (i = 0; i < value_len; ++i)
if (!value [i]) {
MD5Update (&md5_context, (unsigned char *) value + i + 1, value_len - i - 1);
MD5Final (md5_result, &md5_context);
for (j = 0; j < 16; ++j)
sprintf (md5_string + (j * 2), "%02x", md5_result [j]);
fprintf (dst, " %d byte string >>%s<<\n", i, value);
fprintf (dst, " %d bytes binary data >>%s<<\n", value_len - i - 1, md5_string);
break;
}
if (i == value_len)
fprintf (dst, " no NULL found in binary value (or value not readable)\n");
free (value);
}
#endif
free (item);
}
}
}
// Dump a summary of the file information in a machine-parsable format to the specified file (usually stdout).
// The items are separated by semi-colons and the line is newline terminated, like in this example:
//
// 44100;16;int;2;0x3;9878400;023066a6345773674c0755ee6be54d87;4;0x18a2;Track01.wv
//
// The fields are, in order:
//
// 1. sampling rate
// 2. bit-depth (1-32)
// 3. format ("int" or "float")
// 4. number of channels
// 5. channel mask (in hex because it's a mask, always prefixed with "0x")
// 6. number of samples (missing if unknown)
// 7. md5sum (technically is hex, but not prefixed with "0x", might be missing)
// 8. encoder version (basically this will always be 4, but there are some old files out there, could be 5 one day)
// 9. encoding mode (in hex because it's a bitfield, always prefixed with "0x")
// 10. filename (if available)
static void dump_file_info (WavpackContext *wpc, char *name, FILE *dst)
{
unsigned char md5_sum [16];
char str [80];
sprintf (str, "%d;%d;%s;%d;0x%x;", WavpackGetSampleRate (wpc), WavpackGetBitsPerSample (wpc),
(WavpackGetMode (wpc) & MODE_FLOAT) ? "float" : "int", WavpackGetNumChannels (wpc), WavpackGetChannelMask (wpc));
if (WavpackGetNumSamples (wpc) != (uint32_t) -1)
sprintf (str + strlen (str), "%u;", WavpackGetNumSamples (wpc));
else
strcat (str, ";");
if (WavpackGetMD5Sum (wpc, md5_sum)) {
char md5_string [] = "00000000000000000000000000000000";
int i;
for (i = 0; i < 16; ++i)
sprintf (md5_string + (i * 2), "%02x", md5_sum [i]);
sprintf (str + strlen (str), "%s;", md5_string);
}
else
strcat (str, ";");
sprintf (str + strlen (str), "%d;0x%x", WavpackGetVersion (wpc), WavpackGetMode (wpc));
if (name && *name != '-')
fprintf (dst, "%s;%s\n", str, name);
else
fprintf (dst, "%s;\n", str);
}
// Dump the specified tag field to the specified stream. Both text and binary tags may be written,
// and in Windows the appropriate file mode will be set. If the tag is not found then 0 is returned,
// otherwise the length of the data is returned, and this is true even when the file pointer is NULL
// so this can be used to determine if the tag exists before further processing.
//
// The "fname" parameter can optionally be set to a character array that will accept the suggested
// filename. This is formed by the tag item name with the extension ".txt" for text fields; for
// binary fields this is supplied by convention as a NULL terminated string at the beginning of the
// data, so this is returned. The string should have 256 characters available.
static int dump_tag_item_to_file (WavpackContext *wpc, const char *tag_item, FILE *dst, char *fname)
{
if (WavpackGetMode (wpc) & MODE_VALID_TAG) {
if (WavpackGetTagItem (wpc, tag_item, NULL, 0)) {
int value_len = WavpackGetTagItem (wpc, tag_item, NULL, 0);
char *value;
if (fname) {
strcpy (fname, tag_item);
strcat (fname, ".txt");
}
if (!value_len || !dst)
return value_len;
#if defined(WIN32)
_setmode (fileno (dst), O_TEXT);
#endif
#if defined(__OS2__)
setmode (fileno (dst), O_TEXT);
#endif
value = malloc (value_len * 2 + 1);
WavpackGetTagItem (wpc, tag_item, value, value_len + 1);
dump_UTF8_string (value, dst);
free (value);
return value_len;
}
else if (WavpackGetBinaryTagItem (wpc, tag_item, NULL, 0)) {
int value_len = WavpackGetBinaryTagItem (wpc, tag_item, NULL, 0), res = 0, i;
uint32_t bcount = 0;
char *value;
value = malloc (value_len);
WavpackGetBinaryTagItem (wpc, tag_item, value, value_len);
for (i = 0; i < value_len; ++i)
if (!value [i]) {
if (dst) {
#if defined(WIN32)
_setmode (fileno (dst), O_BINARY);
#endif
#if defined(__OS2__)
setmode (fileno (dst), O_BINARY);
#endif
res = DoWriteFile (dst, (unsigned char *) value + i + 1, value_len - i - 1, &bcount);
}
if (fname) {
if (i < 256)
strcpy (fname, value);
else {
strcpy (fname, tag_item);
strcat (fname, ".bin");
}
}
break;
}
free (value);
if (i == value_len)
return 0;
if (dst && (!res || bcount != value_len - i - 1))
return 0;
return value_len - i - 1;
}
else
return 0;
}
else
return 0;
}
// Dump the specified null-terminated, possibly multi-line, UTF-8 string to
// the specified stream. To make sure that this works correctly on both
// Windows and Linux, all CR characters ('\r') are removed from the stream
// and it is assumed that the output FILE will be in "text" mode (on Windows).
// Lines are processed and transmitted one at a time.
static void dump_UTF8_string (char *string, FILE *dst)
{
while (*string) {
char *p = string, *temp;
int len = 0;
while (*p) {
if (*p != '\r')
++len;
if (*p++ == '\n')
break;
}
if (!len)
return;
p = temp = malloc (len * 2 + 1);
while (*string) {
if (*string != '\r')
*p++ = *string;
if (*string++ == '\n')
break;
}
*p = 0;
if (!no_utf8_convert)
UTF8ToAnsi (temp, len * 2);
fputs (temp, dst);
free (temp);
}
}
#if defined (WIN32)
// Convert Unicode UTF-8 string to wide format. UTF-8 string must be NULL
// terminated. Resulting wide string must be able to fit in provided space
// and will also be NULL terminated. The number of characters converted will
// be returned (not counting terminator).
static int UTF8ToWideChar (const unsigned char *pUTF8, unsigned short *pWide)
{
int trail_bytes = 0;
int chrcnt = 0;
while (*pUTF8) {
if (*pUTF8 & 0x80) {
if (*pUTF8 & 0x40) {
if (trail_bytes) {
trail_bytes = 0;
chrcnt++;
}
else {
char temp = *pUTF8;
while (temp & 0x80) {
trail_bytes++;
temp <<= 1;
}
pWide [chrcnt] = temp >> trail_bytes--;
}
}
else if (trail_bytes) {
pWide [chrcnt] = (pWide [chrcnt] << 6) | (*pUTF8 & 0x3f);
if (!--trail_bytes)
chrcnt++;
}
}
else
pWide [chrcnt++] = *pUTF8;
pUTF8++;
}
pWide [chrcnt] = 0;
return chrcnt;
}
#endif
// Convert a Unicode UTF-8 format string into its Ansi equivalent. The
// conversion is done in-place so the maximum length of the string buffer must
// be specified because the string may become longer or shorter. If the
// resulting string will not fit in the specified buffer size then it is
// truncated.
static void UTF8ToAnsi (char *string, int len)
{
int max_chars = (int) strlen (string);
#if defined (WIN32)
unsigned short *temp = malloc ((max_chars + 1) * 2);
int act_chars = UTF8ToWideChar (string, temp);
while (act_chars) {
memset (string, 0, len);
if (WideCharToMultiByte (CP_ACP, 0, temp, act_chars, string, len - 1, NULL, NULL))
break;
else
act_chars--;
}
if (!act_chars)
*string = 0;
#else
char *temp = malloc (len);
char *outp = temp;
char *inp = string;
size_t insize = max_chars;
size_t outsize = len - 1;
int err = 0;
char *old_locale;
iconv_t converter;
memset(temp, 0, len);
old_locale = setlocale (LC_CTYPE, "");
converter = iconv_open ("", "UTF-8");
if (converter != (iconv_t) -1) {
err = iconv (converter, &inp, &insize, &outp, &outsize);
iconv_close (converter);
}
else
err = -1;
setlocale (LC_CTYPE, old_locale);
if (err == -1) {
free(temp);
return;
}
memmove (string, temp, len);
#endif
free (temp);
}
//////////////////////////////////////////////////////////////////////////////
// This function displays the progress status on the title bar of the DOS //
// window that WavPack is running in. The "file_progress" argument is for //
// the current file only and ranges from 0 - 1; this function takes into //
// account the total number of files to generate a batch progress number. //
//////////////////////////////////////////////////////////////////////////////
void display_progress (double file_progress)
{
char title [40];
if (!no_console_title) {
file_progress = (file_index + file_progress) / num_files;
sprintf (title, "%d%% (WvUnpack)", (int) ((file_progress * 100.0) + 0.5));
DoSetConsoleTitle (title);
}
}
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