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////////////////////////////////////////////////////////////////////////////
// **** WAVPACK **** //
// Hybrid Lossless Wavefile Compressor //
// Copyright (c) 1998 - 2005 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)
#include <windows.h>
#include <io.h>
#else
#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 "wavpack.h"
#include "md5.h"
#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 %s\n"
" Copyright (c) 1998 - 2005 Conifer Software. All Rights Reserved.\n\n";
static const char *usage =
#if defined (WIN32)
" Usage: WVUNPACK [-options] [@]infile[.wv]|- [[@]outfile[.wav]|outpath|-]\n"
#else
" Usage: WVUNPACK [-options] [@]infile[.wv]|- [...] [-o [@]outfile[.wav]|outpath|-]\n"
#endif
" (infile may contain wildcards: ?,*)\n\n"
" Options: -d = delete source file if successful (use with caution!)\n"
" -i = ignore .wvc file (forces hybrid lossy decompression)\n"
#if defined (WIN32)
" -l = run at low priority (for smoother multitasking)\n"
#endif
" -m = calculate and display MD5 signature; verify if lossless\n"
" -q = quiet (keep console output to a minimum)\n"
#if !defined (WIN32)
" -o FILENAME | PATH = specify output filename or path\n"
#endif
" -r = force raw audio decode (skip RIFF headers & trailers)\n"
" -s = display summary information only to stdout (no decode)\n"
" -ss = display super summary (including tags) to stdout (no decode)\n"
" -t = copy input file's time stamp to output file(s)\n"
" -v = verify source data only (no output file created)\n"
" -y = yes to overwrite warning (use with caution!)\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 = 0, delete_source = 0, raw_decode = 0, summary = 0,
ignore_wvc = 0, quiet_mode = 0, calc_md5 = 0, copy_time = 0;
static int num_files, file_index, outbuf_k;
/////////////////////////// local function declarations ///////////////////////
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;
{
int verify_only = 0, error_count = 0, add_extension = 0, output_spec = 0;
char outpath, **matches = NULL, *outfilename = NULL;
int result, i;
#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 defined (WIN32)
if ((**++argv == '-' || **argv == '/') && (*argv)[1])
#else
if ((**++argv == '-') && (*argv)[1])
#endif
while (*++*argv)
switch (**argv) {
case 'Y': case 'y':
overwrite_all = 1;
break;
case 'D': case 'd':
delete_source = 1;
break;
#if defined (WIN32)
case 'L': case 'l':
SetPriorityClass (GetCurrentProcess(), IDLE_PRIORITY_CLASS);
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 'S': case 's':
++summary;
break;
case 'K': case 'k':
outbuf_k = strtol (++*argv, argv, 10);
--*argv;
break;
case 'M': case 'm':
calc_md5 = 1;
break;
case 'R': case 'r':
raw_decode = 1;
break;
case 'Q': case 'q':
quiet_mode = 1;
break;
case 'I': case 'i':
ignore_wvc = 1;
break;
default:
error_line ("illegal option: %c !", **argv);
++error_count;
}
else {
#if defined (WIN32)
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
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 (verify_only && delete_source) {
error_line ("can't delete in verify mode!");
delete_source = 0;
}
if (verify_only && outfilename) {
error_line ("outfile specification and verify mode are incompatible!");
++error_count;
}
if (!quiet_mode && !error_count)
fprintf (stderr, sign_on, VERSION_OS, VERSION_STR, DATE_STR);
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");
int di;
for (di = file_index; di < num_files - 1; di++)
matches [di] = matches [di + 1];
file_index--;
num_files--;
if ((i = _findfirst (infilename, &_finddata_t)) != -1L) {
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 (i, &_finddata_t) == 0);
_findclose (i);
}
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)
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
return error_count ? 1 : 0;
}
// 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 uchar *format_samples (int bps, uchar *dst, int32_t *src, uint32_t samcnt);
static void dump_summary (WavpackContext *wpc, char *name, FILE *dst);
static int unpack_file (char *infilename, char *outfilename)
{
int result = NO_ERROR, md5_diff = FALSE, open_flags = 0, bytes_per_sample, num_channels, wvc_mode, bps;
uint32_t outfile_length, output_buffer_size, bcount, total_unpacked_samples = 0;
uchar *output_buffer = NULL, *output_pointer = NULL;
double dtime, progress = -1.0;
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)
open_flags |= OPEN_WRAPPER;
if (raw_decode)
open_flags |= OPEN_STREAMING;
if (!ignore_wvc)
open_flags |= OPEN_WVC;
if (summary > 1)
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 (summary) {
dump_summary (wpc, infilename, stdout);
WavpackCloseFile (wpc);
return NO_ERROR;
}
if (!WavpackGetWrapperBytes (wpc) && outfilename && !raw_decode) {
error_line ("no wav header, can only decode to raw file (use -r)!");
WavpackCloseFile (wpc);
return SOFT_ERROR;
}
if (outfilename) {
if (*outfilename != '-') {
// check the output file for overwrite warning required
if (!overwrite_all && (outfile = fopen (outfilename, "rb")) != NULL) {
DoCloseHandle (outfile);
fprintf (stderr, "overwrite %s (yes/no/all)? ", FN_FIT (outfilename));
SetConsoleTitle ("overwrite?");
switch (yna ()) {
case 'n':
result = SOFT_ERROR;
break;
case 'a':
overwrite_all = 1;
}
if (result != NO_ERROR) {
WavpackCloseFile (wpc);
return result;
}
}
// open output file for writing
if ((outfile = fopen (outfilename, "wb")) == NULL) {
error_line ("can't create file %s!", outfilename);
WavpackCloseFile (wpc);
return SOFT_ERROR;
}
else if (!quiet_mode)
fprintf (stderr, "restoring %s,", FN_FIT (outfilename));
}
else { // come here to open stdout as destination
outfile = stdout;
#if defined(WIN32)
setmode (fileno (stdout), O_BINARY);
#endif
if (!quiet_mode)
fprintf (stderr, "unpacking %s%s to stdout,", *infilename == '-' ?
"stdin" : FN_FIT (infilename), wvc_mode ? " (+.wvc)" : "");
}
if (outbuf_k)
output_buffer_size = outbuf_k * 1024;
else
output_buffer_size = 1024 * 256;
output_pointer = output_buffer = malloc (output_buffer_size);
}
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 (WavpackGetWrapperBytes (wpc)) {
if (outfile && (!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);
}
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 - (output_pointer - output_buffer)) / bytes_per_sample;
if (samples_to_unpack > 4096)
samples_to_unpack = 4096;
}
else
samples_to_unpack = 4096;
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)) < bytes_per_sample) {
if (!DoWriteFile (outfile, output_buffer, 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, (uchar *) 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 ()) {
fprintf (stderr, "^C\n");
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);
}
}
free (temp_buffer);
if (output_buffer)
free (output_buffer);
if (!check_break () && calc_md5) {
char md5_string1 [] = "00000000000000000000000000000000";
char md5_string2 [] = "00000000000000000000000000000000";
uchar 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);
}
if (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);
}
// if we are not just in verify only mode, grab the size of the output
// file and close the file
if (outfile != NULL) {
fflush (outfile);
outfile_length = DoGetFileSize (outfile);
if (!DoCloseHandle (outfile)) {
error_line ("can't close file!");
result = SOFT_ERROR;
}
if (outfilename && *outfilename != '-' && !outfile_length)
DoDeleteFile (outfilename);
}
if (result == NO_ERROR && copy_time && outfilename &&
!copy_timestamp (infilename, outfilename))
error_line ("failure copying time stamp!");
if (result == NO_ERROR && WavpackGetNumSamples (wpc) != (uint32_t) -1 &&
total_unpacked_samples != WavpackGetNumSamples (wpc)) {
error_line ("incorrect number of samples!");
result = SOFT_ERROR;
}
if (result == NO_ERROR && WavpackGetNumErrors (wpc)) {
error_line ("crc errors detected in %d block(s)!", WavpackGetNumErrors (wpc));
result = SOFT_ERROR;
}
else if (result == NO_ERROR && md5_diff && (WavpackGetMode (wpc) & MODE_LOSSLESS)) {
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) {
error_line ("%s source file %s", DoDeleteFile (infilename) ?
"deleted" : "can't delete", infilename);
if (wvc_mode) {
char in2filename [PATH_MAX];
strcpy (in2filename, infilename);
strcat (in2filename, "c");
error_line ("%s source file %s", DoDeleteFile (in2filename) ?
"deleted" : "can't delete", in2filename);
}
}
return result;
}
// Reformat samples from longs in processor's native endian mode to
// little-endian data with (possibly) less than 4 bytes / sample.
static uchar *format_samples (int bps, uchar *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++ = (uchar) (temp = *src++);
*dst++ = (uchar) (temp >> 8);
}
break;
case 3:
while (samcnt--) {
*dst++ = (uchar) (temp = *src++);
*dst++ = (uchar) (temp >> 8);
*dst++ = (uchar) (temp >> 16);
}
break;
case 4:
while (samcnt--) {
*dst++ = (uchar) (temp = *src++);
*dst++ = (uchar) (temp >> 8);
*dst++ = (uchar) (temp >> 16);
*dst++ = (uchar) (temp >> 24);
}
break;
}
return dst;
}
static UTF8ToAnsi (char *string, int len);
static void dump_summary (WavpackContext *wpc, char *name, FILE *dst)
{
int num_channels = WavpackGetNumChannels (wpc);
uchar md5_sum [16], 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: %lu bytes\n", WavpackGetFileSize (wpc));
}
fprintf (dst, "source: %d-bit %s at %ld Hz\n", WavpackGetBitsPerSample (wpc),
(WavpackGetMode (wpc) & MODE_FLOAT) ? "floats" : "ints",
WavpackGetSampleRate (wpc));
fprintf (dst, "channels: %d (%s)\n", num_channels,
num_channels > 2 ? "multichannel" : (num_channels == 1 ? "mono" : "stereo"));
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 -= 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_HIGH)
strcat (modes, ", high");
if (WavpackGetMode (wpc) & MODE_EXTRA)
strcat (modes, ", extra");
if (WavpackGetMode (wpc) & MODE_SFX)
strcat (modes, ", sfx");
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 (WavpackGetMode (wpc) & MODE_VALID_TAG) {
int ape_tag = WavpackGetMode (wpc) & MODE_APETAG;
int num_items = WavpackGetNumTagItems (wpc), i;
fprintf (dst, "%s tag items: %d\n\n", ape_tag ? "APEv2" : "ID3v1", num_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);
for (j = 0; j < value_len; ++j)
if (!value [j])
value [j] = '\\';
if (ape_tag)
UTF8ToAnsi (value, value_len * 2);
if (item_len + value_len + 3 >= 80)
fprintf (dst, "%s =\n%s\n", item, value);
else
fprintf (dst, "%s = %s\n", item, value);
free (value);
free (item);
}
}
}
// 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;
}
// 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 UTF8ToAnsi (char *string, int len)
{
int max_chars = 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_OEMCP, 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;
memset(temp, 0, len);
old_locale = setlocale (LC_CTYPE, "");
iconv_t converter = iconv_open ("", "UTF-8");
err = iconv (converter, &inp, &insize, &outp, &outsize);
iconv_close (converter);
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];
file_progress = (file_index + file_progress) / num_files;
sprintf (title, "%d%% (WvUnpack)", (int) ((file_progress * 100.0) + 0.5));
SetConsoleTitle (title);
}
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