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options.cpp
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#include <limits>
#include "options.h"
#include "win32util.h"
#include "wgetopt.h"
#include "metadata.h"
static getopt::option long_options[] = {
#ifdef QAAC
{ L"formats", no_argument, 0, 'fmts' },
{ L"abr", required_argument, 0, 'a' },
{ L"tvbr", required_argument, 0, 'V' },
{ L"cvbr", required_argument, 0, 'v' },
{ L"cbr", required_argument, 0, 'c' },
{ L"he", no_argument, 0, 'aach' },
{ L"quality", required_argument, 0, 'q' },
{ L"adts", no_argument, 0, 'ADTS' },
{ L"no-smart-padding", no_argument, 0, 'nspd' },
{ L"native-resampler", optional_argument, 0, 'nsrc' },
#endif
#ifdef REFALAC
{ L"fast", no_argument, 0, 'afst' },
#endif
{ L"check", no_argument, 0, 'chck' },
{ L"alac", no_argument, 0, 'A' },
{ L"decode", no_argument, 0, 'D' },
{ L"play", no_argument, 0, 'play' },
{ L"caf", no_argument, 0, 'caff' },
{ L"no-optimize", no_argument, 0, 'noop' },
{ L"bits-per-sample", required_argument, 0, 'b' },
{ L"no-dither", no_argument, 0, 'ndit' },
{ L"rate", required_argument, 0, 'r' },
{ L"lowpass", required_argument, 0, 'lpf ' },
{ L"peak", no_argument, 0, 'peak' },
{ L"normalize", no_argument, 0, 'N' },
{ L"gain", required_argument, 0, 'gain' },
{ L"drc", required_argument, 0, 'drc ' },
{ L"limiter", no_argument, 0, 'limt' },
{ L"start", required_argument, 0, 'from' },
{ L"end", required_argument, 0, 'end ' },
{ L"delay", required_argument, 0, 'dlay' },
{ L"no-delay", no_argument, 0, 'ndly' },
{ L"num-priming", required_argument, 0, 'encd' },
{ L"gapless-mode", required_argument, 0, 'gapm' },
{ L"matrix-preset", required_argument, 0, 'mixp' },
{ L"matrix-file", required_argument, 0, 'mixm' },
{ L"no-matrix-normalize", no_argument, 0, 'nmxn' },
{ L"chanmap", required_argument, 0, 'cmap' },
{ L"chanmask", required_argument, 0, 'mask' },
{ L"help", no_argument, 0, 'h' },
{ L"silent", no_argument, 0, 's' },
{ L"verbose", no_argument, 0, 'verb' },
{ L"stat", no_argument, 0, 'S' },
{ L"threading", no_argument, 0, 'thrd' },
{ L"nice", no_argument, 0, 'n' },
{ L"sort-args", no_argument, 0, 'soar' },
{ L"tmpdir", required_argument, 0, 'tmpd' },
{ L"text-codepage", required_argument, 0, 'txcp' },
{ L"raw", no_argument, 0, 'R' },
{ L"raw-channels", required_argument, 0, 'Rchn' },
{ L"raw-rate", required_argument, 0, 'Rrat' },
{ L"raw-format", required_argument, 0, 'Rfmt' },
{ L"ignorelength", no_argument, 0, 'i' },
{ L"concat", no_argument, 0, 'cat ' },
{ L"cue-tracks", required_argument, 0, 'ctrk' },
{ L"fname-from-tag", no_argument, 0, 'fftg' },
{ L"fname-format", required_argument, 0, 'nfmt' },
{ L"log", required_argument, 0, 'log ' },
{ L"title", required_argument, 0, (int)Tag::kTitle },
{ L"artist", required_argument, 0, (int)Tag::kArtist },
{ L"band", required_argument, 0, (int)Tag::kAlbumArtist },
{ L"album", required_argument, 0, (int)Tag::kAlbum },
{ L"grouping", required_argument, 0, (int)Tag::kGrouping },
{ L"composer", required_argument, 0, (int)Tag::kComposer },
{ L"comment", required_argument, 0, (int)Tag::kComment },
{ L"genre", required_argument, 0, (int)Tag::kGenre },
{ L"date", required_argument, 0, (int)Tag::kDate },
{ L"track", required_argument, 0, (int)Tag::kTrack },
{ L"disk", required_argument, 0, (int)Tag::kDisk },
{ L"compilation", optional_argument, 0, (int)Tag::kCompilation },
{ L"lyrics", required_argument, 0, (int)Tag::kLyrics },
{ L"artwork", required_argument, 0, (int)Tag::kArtwork },
{ L"artwork-size", required_argument, 0, 'atsz' },
{ L"copy-artwork", no_argument, 0, 'cpat' },
{ L"chapter", required_argument, 0, 'chap' },
{ L"tag", required_argument, 0, 'tag ' },
{ L"long-tag", required_argument, 0, 'ltag' },
{ L"tag-from-file", required_argument, 0, 'tagf' },
{ 0, 0, 0, 0 }
};
static const uint32_t tag_keys[] = {
Tag::kTitle,
Tag::kArtist,
Tag::kAlbumArtist,
Tag::kAlbum,
Tag::kGrouping,
Tag::kComposer,
Tag::kComment,
Tag::kGenre,
Tag::kDate,
Tag::kTrack,
Tag::kDisk,
Tag::kCompilation,
Tag::kArtwork,
Tag::kLyrics
};
const uint32_t * const tag_keys_end = tag_keys + util::sizeof_array(tag_keys);
const char *get_qaac_version();
#ifdef REFALAC
#define PROGNAME "refalac"
#elif defined QAAC
#define PROGNAME "qaac"
#endif
static
void usage()
{
std::wprintf(L"%hs %hs\n%hs", PROGNAME, get_qaac_version(),
"Usage: " PROGNAME " [options] infiles....\n"
"\n"
"\"-\" as infile means stdin.\n"
#ifndef REFALAC
"On ADTS/WAV output mode, \"-\" as outfile means stdout.\n"
#endif
"\n"
"Main options:\n"
#ifdef QAAC
"--formats Show available AAC formats and exit\n"
"-a, --abr <bitrate> AAC ABR mode / bitrate\n"
"-V, --tvbr <n> AAC True VBR mode / quality [0-127]\n"
"-v, --cvbr <bitrate> AAC Constrained VBR mode / bitrate\n"
"-c, --cbr <bitrate> AAC CBR mode / bitrate\n"
" For -a, -v, -c, \"0\" as bitrate means \"highest\".\n"
" Highest bitrate available is automatically chosen.\n"
" For LC, default is -V90\n"
" For HE, default is -v0\n"
"--he HE AAC mode (TVBR is not available)\n"
"-q, --quality <n> AAC encoding Quality [0-2]\n"
"--adts ADTS output (AAC only)\n"
"--no-smart-padding Don't apply smart padding for gapless playback.\n"
" By default, beginning and ending of input is\n"
" extrapolated to achieve smooth transition between\n"
" songs. This option also works as a workaround for\n"
" bug of CoreAudio HE-AAC encoder that stops encoding\n"
" 1 frame too early.\n"
" Setting this option can lead to gapless playback\n"
" issue especially on HE-AAC.\n"
" However, resulting bitstream will be identical with\n"
" iTunes only when this option is set.\n"
#endif
#ifdef REFALAC
"--fast Fast stereo encoding mode.\n"
#endif
"-d <dirname> Output directory. Default is current working dir.\n"
"--check Show library versions and exit.\n"
"-A, --alac ALAC encoding mode\n"
"-D, --decode Decode to a WAV file.\n"
"--caf Output to CAF file instead of M4A/WAV/AAC.\n"
"--play Decode to a WaveOut device (playback).\n"
"-r, --rate <keep|auto|n>\n"
" keep: output sampling rate will be same as input\n"
" if possible.\n"
" auto: output sampling rate will be automatically\n"
" chosen by encoder.\n"
" n: desired output sampling rate in Hz.\n"
"--lowpass <number> Specify lowpass filter cut-off frequency in Hz.\n"
" Use this when you want lower cut-off than\n"
" Apple default.\n"
"-b, --bits-per-sample <n>\n"
" Bits per sample of output (for WAV/ALAC only)\n"
"--no-dither Turn off dither when quantizing to lower bit depth.\n"
"--peak Scan + print peak (don't generate output file).\n"
" Cannot be used with encoding mode or -D.\n"
" When DSP options are set, peak is computed \n"
" after all DSP filters have been applied.\n"
"--gain <f> Adjust gain by f dB.\n"
" Use negative value to decrese gain, when you want to\n"
" avoid clipping introduced by DSP.\n"
"-N, --normalize Normalize (works in two pass. can generate HUGE\n"
" tempfile for large piped input)\n"
"--drc <thresh:ratio:knee:attack:release>\n"
" Dynamic range compression.\n"
" Loud parts over threshold are attenuated by ratio.\n"
" thresh: threshold (in dBFS, < 0.0)\n"
" ratio: compression ratio (> 1.0)\n"
" knee: knee width (in dB, >= 0.0)\n"
" attack: attack time (in millis, >= 0.0)\n"
" release: release time (in millis, >= 0.0)\n"
"--limiter Apply smart limiter that softly clips portions\n"
" where peak exceeds (near) 0dBFS\n"
"--start <[[hh:]mm:]ss[.ss..]|<n>s|<mm:ss:ff>f>\n"
" Specify start point of the input.\n"
" You specify either in seconds(hh:mm:ss.sss..form) or\n"
" number of samples followed by 's' or\n"
" cuesheet frames(mm:ss:ff form) followed by 'f'.\n"
" When negative value is given, instead of trimming,\n"
" specified amount of silence is prepended.\n"
" Example:\n"
" --start 4010160s : start at 4010160 samples\n"
" --start 1:30:70f : same as above, in cuepoint\n"
" --start 1:30.93333 : same as above\n"
"--end <[[hh:]mm:]ss[.ss..]|<n>s|<mm:ss:ff>f>\n"
" Specify end point of the input (exclusive).\n"
"--delay <[[hh:]mm:]ss[.ss..]|<n>s|<mm:ss:ff>f>\n"
" Same as --start, with the sign reversed.\n"
" Positive value will prepend silence.\n"
" (This option exists due to historical reason)\n"
"--no-delay Compensate encoder delay by prepending 960 samples \n"
" of silence, then trimming 3 AAC frames from \n"
" the beginning (and also tweak iTunSMPB).\n"
" This option is mainly intended for resolving\n"
" A/V sync issue of video. \n"
"--num-priming <n> (Experimental). Set arbitrary number of priming\n"
" samples in range from 0 to 2112 (default 2112).\n"
" Applicable only for AAC LC.\n"
" --num-priming=0 is the same as --no-delay.\n"
" Doesn't work with --no-smart-padding.\n"
"--gapless-mode <n> Encoder delay signaling for gapless playback.\n"
" 0: iTunSMPB (default)\n"
" 1: ISO standard (elst + sbgp + sgpd)\n"
" 2: Both\n"
"--matrix-preset <name> Specify user defined preset for matrix mixer.\n"
"--matrix-file <file> Matrix file for remix.\n"
"--no-matrix-normalize Don't automatically normalize(scale) matrix\n"
" coefficients for the matrix mixer.\n"
"--chanmap <n1,n2...> Rearrange input channels to the specified order.\n"
" Example:\n"
" --chanmap 2,1 -> swap L and R.\n"
" --chanmap 2,3,1 -> C+L+R -> L+R+C.\n"
"--chanmask <n> Force input channel mask(bitmap).\n"
" Either decimal or hex number with 0x prefix\n"
" can be used.\n"
" When 0 is given, qaac works as if no channel mask is\n"
" present in the source and picks default layout.\n"
"--no-optimize Don't optimize MP4 container after encoding.\n"
"--tmpdir <dirname> Specify temporary directory. Default is %TMP%\n"
"-s, --silent Suppress console messages.\n"
"--verbose More verbose console messages.\n"
"-i, --ignorelength Assume WAV input and ignore the data chunk length.\n"
"--threading Enable multi-threading.\n"
"-n, --nice Give lower process priority.\n"
"--sort-args Sort filenames given by command line arguments.\n"
"--text-codepage <n> Specify text code page of cuesheet/chapter/lyrics.\n"
" Example: 1252 for Latin-1, 65001 for UTF-8.\n"
" Use this when bogus values are written into tags\n"
" due to automatic encoding detection failure.\n"
"-S, --stat Save bitrate statistics into file.\n"
"--log <filename> Output message to file.\n"
"\n"
"Option for output filename generation:\n"
"--fname-from-tag Generate filename based on metadata of input.\n"
" By default, output filename will be the same as input\n"
" (only different by the file extension).\n"
" Name generation can be tweaked by --fname-format.\n"
"--fname-format <string> Format string for output filename.\n"
"\n"
"Option for single output:\n"
"-o <filename> Specify output filename\n"
"--concat Encodes whole inputs into a single file. \n"
" Requires output filename (with -o)\n"
"\n"
"Option for cuesheet input only:\n"
"--cue-tracks <n[-n][,n[-n]]*>\n"
" Limit extraction to specified tracks.\n"
" Tracks can be specified with comma separated numbers.\n"
" Hyphen can be used to denote range of numbers.\n"
" Tracks non-existent in the cue are just ignored.\n"
" Numbers must be in the range 0-99.\n"
" Example:\n"
" --cue-tracks 1-3,6-9,11\n"
" -> equivalent to --cue-tracks 1,2,3,6,7,8,9,11\n"
" --cue-tracks 2-99\n"
" -> can be used to skip first track (and HTOA)\n"
"\n"
"Options for Raw PCM input only:\n"
"-R, --raw Raw PCM input.\n"
"--raw-channels <n> Number of channels, default 2.\n"
"--raw-rate <n> Sample rate, default 44100.\n"
"--raw-format <str> Sample format, default S16L.\n"
" Sample format spec:\n"
" 1st char: S(igned) | U(nsigned) | F(loat)\n"
" 2nd part: Bitwidth\n"
" Last part: L(ittle Endian) | B(ig Endian)\n"
" Last part can be omitted, L is assumed by default.\n"
" Cases are ignored. u16b is OK.\n"
"\n"
#ifdef QAAC
"Options for CoreAudio sample rate converter:\n"
"--native-resampler[=line|norm|bats,n]\n"
" Arguments followed by '=' are optional.\n"
" First argument before comma is complexity from\n"
" one of the following:\n"
" line: linear (worst, don't use this)\n"
" norm: normal\n"
" bats: mastering (best, default)\n"
" Second argument after comma is integer quality\n"
" between 0-127 (default 0).\n"
" Example:\n"
" --native-resampler\n"
" --native-resampler=norm,96\n"
"\n"
#endif
"Tagging options:\n"
" (same value is set to all files, so use with care for multiple files)\n"
"--title <string>\n"
"--artist <string>\n"
"--band <string> This means \"Album Artist\".\n"
"--album <string>\n"
"--grouping <string>\n"
"--composer <string>\n"
"--comment <string>\n"
"--genre <string>\n"
"--date <string>\n"
"--track <number[/total]>\n"
"--disk <number[/total]>\n"
"--compilation[=0|1]\n"
" By default, iTunes compilation flag is not set.\n"
" --compilation or --compilation=1 sets flag on.\n"
" --compilation=0 is same as default.\n"
"--lyrics <filename>\n"
"--artwork <filename>\n"
"--artwork-size <n> Specify maximum width or height of artwork in pixels.\n"
" If specified artwork (with --artwork) is larger than\n"
" this, artwork is automatically resized.\n"
"--copy-artwork Copy front cover art(APIC:type 3) from the source.\n"
" When --artwork is also given, this option is ignored.\n"
"--chapter <filename>\n"
" Set chapter from file.\n"
"--tag <fcc>:<value>\n"
" Set iTunes pre-defined tag with fourcc key\n"
" and value.\n"
" 1) When key starts with U+00A9 (copyright sign),\n"
" you can use 3 chars starting from the second char\n"
" instead.\n"
" 2) Some known tags having type other than UTF-8 string\n"
" are taken care of. Others are just stored as UTF-8\n"
" string.\n"
"--tag-from-file <fcc>:<path>\n"
" Same as above, but value is read from file.\n"
"--long-tag <key>:<value>\n"
" Set long tag (iTunes custom metadata) with \n"
" arbitrary key/value pair. Value is always stored as\n"
" UTF8 string.\n"
);
}
static void complain(const wchar_t *s)
{
std::fputws(s, stderr);
OutputDebugStringW(s);
}
#ifdef QAAC
static const wchar_t * const short_opts = L"hDo:d:b:r:insRSNAa:V:v:c:q:";
#endif
#ifdef REFALAC
static const wchar_t * const short_opts = L"hDo:d:b:r:insRSNA";
#endif
bool Options::parse(int &argc, wchar_t **&argv)
{
int ch, pos;
while ((ch = getopt::getopt_long(argc, argv,
short_opts, long_options, 0)) != EOF)
{
if (ch == 'h')
return usage(), false;
else if (ch == 'chck')
this->check_only = true;
else if (ch == 'fmts')
this->print_available_formats = true;
else if (ch == 'o')
this->ofilename = getopt::optarg;
else if (ch == 'd')
this->outdir = getopt::optarg;
else if (ch < 0xff && (pos = strutil::strindex("cavV", ch)) >= 0) {
if ((this->output_format && !isAAC()) || this->method != -1) {
complain(L"Encoding mode options are exclusive.\n");
return false;
}
this->method = pos;
if (std::swscanf(getopt::optarg, L"%lf", &this->bitrate) != 1) {
complain(L"AAC Bitrate/Quality must be an integer.\n");
return false;
}
}
else if (ch == 'A') {
if ((this->output_format && !isALAC()) || this->method != -1) {
complain(L"Encoding mode options are exclusive.\n");
return false;
}
this->output_format = 'alac';
}
else if (ch == 'D') {
if (this->output_format && !isLPCM()) {
complain(L"Encoding mode options are exclusive.\n");
return false;
}
this->output_format = 'lpcm';
}
else if (ch == 'aach') {
if (this->output_format && !isAAC()) {
complain(L"--he is only available for AAC.\n");
return false;
}
this->output_format = 'aach';
}
else if (ch == 'play') {
if (this->output_format && !isWaveOut()) {
complain(L"--play cannot be specified with encoding mode.\n");
return false;
}
this->output_format = 'play';
}
else if (ch == 'peak') {
if (this->output_format && !isPeak()) {
complain(L"--peak cannot be specified with encoding mode.\n");
return false;
}
this->output_format = 'peak';
}
else if (ch == 'caff')
this->is_caf = true;
else if (ch == 'q') {
if (std::swscanf(getopt::optarg, L"%u", &this->quality) != 1) {
complain(L"-q requires an integer.\n");
return false;
}
}
else if (ch == 'log ')
this->logfilename = getopt::optarg;
else if (ch == 'nspd')
this->no_smart_padding = true;
else if (ch == 'nsrc') {
this->native_resampler = true;
if (getopt::optarg) {
strutil::Tokenizer<wchar_t> tokens(getopt::optarg, L",");
wchar_t *tok;
while ((tok = tokens.next())) {
int n;
if (std::swscanf(tok, L"%u", &n) == 1)
this->native_resampler_quality = n;
else if (std::wcslen(tok) == 4)
this->native_resampler_complexity =
util::fourcc(strutil::w2us(tok).c_str());
else {
complain(L"Invalid arg for --native-resampler.\n");
return false;
}
}
}
}
else if (ch == 'N')
this->normalize = true;
else if (ch == 's')
this->verbose = 0;
else if (ch == 'verb')
this->verbose = 2;
else if (ch == 'S')
this->save_stat = true;
else if (ch == 'n')
this->nice = true;
else if (ch == 'thrd')
this->threading = true;
else if (ch == 'i')
this->ignore_length = true;
else if (ch == 'R')
this->is_raw = true;
else if (ch == 'ADTS')
this->is_adts = true;
else if (ch == 'noop')
this->no_optimize = true;
else if (ch == 'cat ')
this->concat = true;
else if (ch == 'nfmt')
this->fname_format = getopt::optarg;
else if (ch == 'tmpd')
this->tmpdir = getopt::optarg;
else if (ch == 'nmxn')
this->no_matrix_normalize = true;
else if (ch == 'cmap') {
strutil::Tokenizer<wchar_t> tokens(getopt::optarg, L",");
wchar_t *tok;
while ((tok = tokens.next()) != 0) {
unsigned n;
if (std::swscanf(tok, L"%u", &n) == 1)
this->chanmap.push_back(n);
else {
complain(L"Invalid arg for --chanmap.\n");
return false;
}
}
uint32_t low = std::numeric_limits<int>::max();
uint32_t high = 0;
for (size_t i = 0; i < this->chanmap.size(); ++i) {
uint32_t n = this->chanmap[i];
if (n < low) low = n;
if (n > high) high = n;
}
if (low < 1 || high > this->chanmap.size()) {
complain(L"Invalid arg for --chanmap.\n");
return false;
}
}
else if (ch == 'r') {
if (!std::wcscmp(getopt::optarg, L"keep"))
this->rate = -1;
else if (!std::wcscmp(getopt::optarg, L"auto"))
this->rate = 0;
else if (std::swscanf(getopt::optarg, L"%u", &this->rate) != 1) {
complain(L"Invalid arg for --rate.\n");
return false;
}
}
else if (ch == 'lpf ') {
if (std::swscanf(getopt::optarg, L"%u", &this->lowpass) != 1) {
complain(L"--lowpass requires an integer.\n");
return false;
}
}
else if (ch == 'b') {
uint32_t n;
if (std::swscanf(getopt::optarg, L"%u", &n) != 1) {
complain(L"-b requires an integer.\n");
return false;
}
if (n <= 1 || n > 32) {
complain(L"Bits per sample is too low or too high.\n");
return false;
}
this->bits_per_sample = n;
}
else if (ch == 'ndit') {
this->no_dither = true;
}
else if (ch == 'mask') {
if (std::swscanf(getopt::optarg, L"%i", &this->chanmask) != 1) {
complain(L"--chanmask requires an integer.\n");
return false;
}
}
else if (ch == 'Rchn') {
if (std::swscanf(getopt::optarg, L"%u", &this->raw_channels) != 1) {
complain(L"--raw-channels requires an integer.\n");
return false;
}
if (this->raw_channels == 0) {
complain(L"Invalid --raw-channels value.\n");
return false;
}
if (this->raw_channels > 8) {
complain(L"--raw-channels too large.\n");
return false;
}
}
else if (ch == 'Rrat') {
if (std::swscanf(getopt::optarg, L"%u",
&this->raw_sample_rate) != 1) {
complain(L"--raw-rate requires an integer.\n");
return false;
}
if (this->raw_sample_rate == 0) {
complain(L"Invalid --raw-rate value.\n");
return false;
}
}
else if (ch == 'Rfmt')
this->raw_format = getopt::optarg;
else if (ch == 'afst')
this->alac_fast = true;
else if (ch == 'gain') {
if (std::swscanf(getopt::optarg, L"%lf", &this->gain) != 1) {
complain(L"--gain requires an floating point number.\n");
return false;
}
}
else if (ch == 'drc ') {
double threshold, ratio, knee, attack, release;
if (std::swscanf(getopt::optarg,
L"%lf:%lf:%lf:%lf:%lf",
&threshold,
&ratio,
&knee,
&attack,
&release) != 5) {
complain(L"--drc requires 5 parameters.\n");
return false;
}
if (threshold >= 0.0) {
complain(L"DRC threshold cannot be positive.\n");
return false;
}
if (ratio <= 1.0) {
complain(L"DRC ratio has to be greater than 1.0\n");
return false;
}
if (knee < 0.0) {
complain(L"DRC knee width cannot be negative.\n");
return false;
}
if (attack < 0.0) {
complain(L"DRC attack time cannot be negative.\n");
return false;
}
if (release < 0.0) {
complain(L"DRC release time cannot be negative.\n");
return false;
}
const wchar_t *p = getopt::optarg;
for (int i = 0; i < 5; ++i) {
p = wcschr(p, L':');
if (p) ++p;
}
this->drc_params.push_back(DRCParams(threshold, ratio, knee,
attack, release, p));
}
else if (ch == 'limt')
this->limiter = true;
else if (ch == 'from')
this->start = getopt::optarg;
else if (ch == 'end ')
this->end = getopt::optarg;
else if (ch == 'dlay')
this->delay = getopt::optarg;
else if (ch == 'ndly')
this->num_priming = 0;
else if (ch == 'encd') {
if (std::swscanf(getopt::optarg, L"%u", &this->num_priming) != 1) {
complain(L"Invalid arg for --num-priming.\n");
return false;
}
if (this->num_priming > 2112) {
complain(L"num-priming must not be greater than 2112.\n");
return false;
}
}
else if (ch == 'soar')
this->sort_args = true;
else if (ch == 'gapm') {
if (std::swscanf(getopt::optarg, L"%u", &this->gapless_mode) != 1) {
complain(L"Invalid arg for --gapless-mode.\n");
return false;
}
}
else if (ch == 'txcp') {
if (std::swscanf(getopt::optarg, L"%u", &this->textcp) != 1) {
complain(L"--text-codepage requires code page number.\n");
return false;
}
}
else if (ch == 'ctrk') {
if (!strutil::parse_numeric_ranges(getopt::optarg,
&this->cue_tracks)) {
complain(L"Invalid arg for --cue-tracks.\n");
return false;
}
}
else if (ch == 'atsz') {
if (std::swscanf(getopt::optarg, L"%u", &this->artwork_size) != 1) {
complain(L"--artwork-size requires an integer.\n");
return false;
}
}
else if (ch == Tag::kArtwork)
this->artwork_files.push_back(getopt::optarg);
else if (ch == 'cpat')
this->copy_artwork = true;
else if (std::find(tag_keys, tag_keys_end, uint32_t(ch)) != tag_keys_end) {
if (ch == Tag::kLyrics)
this->ftagopts[ch] = getopt::optarg;
else if (ch != Tag::kCompilation)
this->tagopts[ch] = strutil::w2us(getopt::optarg);
else if (!getopt::optarg)
this->tagopts[ch] = "1";
else {
int n;
if (std::swscanf(getopt::optarg, L"%d", &n) != 1) {
complain(L"Invalid --compilation option arg.\n");
return false;
}
this->tagopts[ch] = strutil::w2us(getopt::optarg);
}
}
else if (ch == 'tag ' || ch == 'tagf') {
strutil::Tokenizer<wchar_t> tokens(getopt::optarg, L":");
wchar_t *key = tokens.next();
wchar_t *value = tokens.rest();
size_t keylen = std::wcslen(key);
if (!value || (keylen != 3 && keylen != 4)) {
complain(L"Invalid --tag option arg.\n");
return false;
}
uint32_t fcc = (keylen == 3) ? 0xa9 : 0;
wchar_t wc;
while ((wc = *key++) != 0) {
if (wc != 0xa9 && (wc < 0x20 || wc > 0x7e)) {
complain(L"Invalid fourcc for --tag.\n");
return false;
}
fcc = ((fcc << 8) | wc);
}
if (fcc == Tag::kArtwork)
this->artwork_files.push_back(value);
else if (ch == 'tag ')
this->tagopts[fcc] = strutil::w2us(value);
else
this->ftagopts[fcc] = value;
}
else if (ch == 'ltag') {
strutil::Tokenizer<wchar_t> tokens(getopt::optarg, L":");
wchar_t *key = tokens.next();
wchar_t *value = tokens.rest();
if (!value) {
complain(L"Invalid arg for --long-tag.\n");
return false;
}
this->longtags[strutil::w2us(key)] = strutil::w2us(value);
}
else if (ch == 'chap')
this->chapter_file = getopt::optarg;
else if (ch == 'mixp')
this->remix_preset = getopt::optarg;
else if (ch == 'mixm')
this->remix_file = getopt::optarg;
else if (ch == 'fftg')
this->filename_from_tag = true;
else
return false;
}
argc -= getopt::optind;
argv += getopt::optind;
if (!argc && !this->check_only && !this->print_available_formats) {
if (getopt::optind == 1)
return usage(), false;
else {
complain(L"Input file name is required.\n");
return false;
}
}
if (argc > 1 && this->ofilename && !this->concat) {
complain(L"-o is not available for multiple output.\n");
return false;
}
if (!this->output_format) {
#ifdef REFALAC
this->output_format = 'alac';
#else
this->output_format = 'aac ';
#endif
}
if (isSBR() && this->method == kTVBR) {
complain(L"TVBR is not available for HE.\n");
return false;
}
if (isAAC() && this->method == -1) {
this->method = isSBR() ? kCVBR : kTVBR;
this->bitrate = isSBR() ? 0 : 90;
}
if (isMP4() && this->ofilename && !std::wcscmp(this->ofilename, L"-")) {
if (!win32::is_seekable(_fileno(stdout))) {
complain(L"MP4 piping is not supported.\n");
return false;
}
}
if (!isAAC() && this->is_adts) {
complain(L"--adts is only available for AAC.\n");
return false;
}
if (!isAAC() && this->quality != -1) {
complain(L"-q is only available for AAC.\n");
return false;
}
if (this->is_caf && this->is_adts) {
complain(L"Can't use --caf and --adts at the same time.\n");
return false;
}
if (this->ignore_length && this->is_raw) {
complain(L"Can't use --ignorelength and --raw at the same time.\n");
return false;
}
if (this->concat && argc > 1 && !this->ofilename &&
!this->isPeak() && !this->isWaveOut()) {
complain(L"--concat requires output filename (use -o option).\n");
return false;
}
if ((!isAAC() || isSBR()) && this->num_priming != 2112) {
complain(L"--num-priming is only applicable for AAC LC.\n");
return false;
}
if (this->delay && this->start) {
complain(L"Can't use --start and --delay at the same time.\n");
return false;
}
if (this->quality == -1)
this->quality = 2;
return true;
}