blob: 6e58e46e8c351c7746c8fb71139fd2f308cb7bc0 [file] [log] [blame]
#ifdef LAMEPARSE
#include "util.h"
#include "id3tag.h"
#include "get_audio.h"
#include "brhist.h"
#include "version.h"
#define MAX_NAME_SIZE 300
char inPath[MAX_NAME_SIZE];
char outPath[MAX_NAME_SIZE];
/************************************************************************
*
* usage
*
* PURPOSE: Writes command line syntax to the file specified by #stderr#
*
************************************************************************/
void lame_usage(lame_global_flags *gfp,char *name) /* print syntax & exit */
{
lame_print_version(stderr);
fprintf(stderr,"\n");
fprintf(stderr,"USAGE : %s [options] <infile> [outfile]\n",name);
fprintf(stderr,"\n<infile> and/or <outfile> can be \"-\", which means stdin/stdout.\n");
fprintf(stderr,"\n");
fprintf(stderr,"Try \"%s --help\" for more information\n",name);
exit(1);
}
/************************************************************************
*
* usage
*
* PURPOSE: Writes command line syntax to the file specified by #stdout#
*
************************************************************************/
void lame_help(lame_global_flags *gfp,char *name) /* print syntax & exit */
{
lame_print_version(stdout);
fprintf(stdout,"\n");
fprintf(stdout,"USAGE : %s [options] <infile> [outfile]\n",name);
fprintf(stdout,"\n<infile> and/or <outfile> can be \"-\", which means stdin/stdout.\n");
fprintf(stdout,"\n");
fprintf(stdout,"OPTIONS :\n");
fprintf(stdout," Input options:\n");
fprintf(stdout," -r input is raw pcm\n");
fprintf(stdout," -x force byte-swapping of input\n");
fprintf(stdout," -s sfreq sampling frequency of input file(kHz) - default 44.1kHz\n");
fprintf(stdout," --mp3input input file is a MP3 file\n");
fprintf(stdout,"\n");
fprintf(stdout," Filter options:\n");
fprintf(stdout," -k keep ALL frequencies (disables all filters)\n");
fprintf(stdout," --lowpass freq frequency(kHz), lowpass filter cutoff above freq\n");
fprintf(stdout," --lowpass-width freq frequency(kHz) - default 15%% of lowpass freq\n");
fprintf(stdout," --highpass freq frequency(kHz), highpass filter cutoff below freq\n");
fprintf(stdout," --highpass-width freq frequency(kHz) - default 15%% of highpass freq\n");
fprintf(stdout," --resample sfreq sampling frequency of output file(kHz)- default=input sfreq\n");
fprintf(stdout," --cwlimit freq compute tonality up to freq (in kHz) default 8.8717\n");
fprintf(stdout,"\n");
fprintf(stdout," Operational options:\n");
fprintf(stdout," -m mode (s)tereo, (j)oint, (f)orce or (m)ono (default j)\n");
fprintf(stdout," force = force ms_stereo on all frames. Faster\n");
fprintf(stdout," -a downmix from stereo to mono file for mono encoding\n");
fprintf(stdout," -d allow channels to have different blocktypes\n");
fprintf(stdout," -S don't print progress report, VBR histograms\n");
fprintf(stdout," --athonly only use the ATH for masking\n");
fprintf(stdout," --noath disable the ATH for masking\n");
fprintf(stdout," --noshort do not use short blocks\n");
fprintf(stdout," --voice experimental voice mode\n");
fprintf(stdout," --preset type type must be phone, voice, fm, tape, hifi, cd or studio\n");
fprintf(stdout," help gives some more infos on these\n");
fprintf(stdout,"\n");
fprintf(stdout," CBR (constant bitrate, the default) options:\n");
fprintf(stdout," -h higher quality, but a little slower. Recommended.\n");
fprintf(stdout," -f fast mode (very low quality)\n");
fprintf(stdout," -b bitrate set the bitrate, default 128kbps\n");
fprintf(stdout,"\n");
fprintf(stdout," VBR options:\n");
fprintf(stdout," -v use variable bitrate (VBR)\n");
fprintf(stdout," -V n quality setting for VBR. default n=%i\n",gfp->VBR_q);
fprintf(stdout," 0=high quality,bigger files. 9=smaller files\n");
fprintf(stdout," -b bitrate specify minimum allowed bitrate, default 32kbs\n");
fprintf(stdout," -B bitrate specify maximum allowed bitrate, default 256kbs\n");
fprintf(stdout," -t disable Xing VBR informational tag\n");
fprintf(stdout," --nohist disable VBR histogram display\n");
fprintf(stdout,"\n");
fprintf(stdout," MP3 header/stream options:\n");
fprintf(stdout," -e emp de-emphasis n/5/c (obsolete)\n");
fprintf(stdout," -c mark as copyright\n");
fprintf(stdout," -o mark as non-original\n");
fprintf(stdout," -p error protection. adds 16bit checksum to every frame\n");
fprintf(stdout," (the checksum is computed correctly)\n");
fprintf(stdout," --nores disable the bit reservoir\n");
fprintf(stdout,"\n");
fprintf(stdout," Specifying any of the following options will add an ID3 tag:\n");
fprintf(stdout," --tt \"title\" title of song (max 30 chars)\n");
fprintf(stdout," --ta \"artist\" artist who did the song (max 30 chars)\n");
fprintf(stdout," --tl \"album\" album where it came from (max 30 chars)\n");
fprintf(stdout," --ty \"year\" year in which the song/album was made (max 4 chars)\n");
fprintf(stdout," --tc \"comment\" additional info (max 30 chars)\n");
fprintf(stdout," (or max 28 chars if using the \"track\" option)\n");
fprintf(stdout," --tn \"track\" track number of the song on the CD (1 to 99)\n");
fprintf(stdout," (using this option will add an ID3v1.1 tag)\n");
fprintf(stdout," --tg \"genre\" genre of song (name or number)\n");
fprintf(stdout,"\n");
#ifdef HAVEGTK
fprintf(stdout," -g run graphical analysis on <infile>\n");
#endif
display_bitrates(stdout);
exit(0);
}
/************************************************************************
*
* usage
*
* PURPOSE: Writes presetting info to #stdout#
*
************************************************************************/
void lame_presets_info(lame_global_flags *gfp,char *name) /* print syntax & exit */
{
lame_print_version(stdout);
fprintf(stdout,"\n");
fprintf(stdout,"Presets are some shortcuts for common settings.\n");
fprintf(stdout,"They can be combined with -v if you want VBR MP3s.\n");
fprintf(stdout,"\n");
fprintf(stdout," --preset phone => --resample 16\n");
fprintf(stdout," --highpass 0.260\n");
fprintf(stdout," --highpasswidth 0.040\n");
fprintf(stdout," --lowpass 3.700\n");
fprintf(stdout," --lowpasswidth 0.300\n");
fprintf(stdout," --noshort\n");
fprintf(stdout," -m m\n");
fprintf(stdout," -b 16\n");
fprintf(stdout," plus -b 8 \\\n");
fprintf(stdout," -B 56 > in combination with -v\n");
fprintf(stdout," -V 5 /\n");
fprintf(stdout,"\n");
fprintf(stdout," --preset voice: => --resample 24\n");
fprintf(stdout," --highpass 0.100\n");
fprintf(stdout," --highpasswidth 0.020\n");
fprintf(stdout," --lowpass 11\n");
fprintf(stdout," --lowpasswidth 2\n");
fprintf(stdout," --noshort\n");
fprintf(stdout," -m m\n");
fprintf(stdout," -b 32\n");
fprintf(stdout," plus -b 8 \\\n");
fprintf(stdout," -B 96 > in combination with -v\n");
fprintf(stdout," -V 4 /\n");
fprintf(stdout,"\n");
fprintf(stdout," --preset fm: => --resample 32\n");
fprintf(stdout," --highpass 0.030\n");
fprintf(stdout," --highpasswidth 0\n");
fprintf(stdout," --lowpass 11.4\n");
fprintf(stdout," --lowpasswidth 0\n");
fprintf(stdout," -m j\n");
fprintf(stdout," -b 96\n");
fprintf(stdout," plus -b 32 \\\n");
fprintf(stdout," -B 192 > in combination with -v\n");
fprintf(stdout," -V 4 /\n");
fprintf(stdout,"\n");
fprintf(stdout," --preset tape: => --lowpass 17\n");
fprintf(stdout," --lowpasswidth 2\n");
fprintf(stdout," --highpass 0.015\n");
fprintf(stdout," --highpasswidth 0.015\n");
fprintf(stdout," -m j\n");
fprintf(stdout," -b 128\n");
fprintf(stdout," plus -b 32 \\\n");
fprintf(stdout," -B 192 > in combination with -v\n");
fprintf(stdout," -V 4 /\n");
fprintf(stdout,"\n");
fprintf(stdout," --preset hifi: => --lowpass 20\n");
fprintf(stdout," --lowpasswidth 3\n");
fprintf(stdout," --highpass 0.015\n");
fprintf(stdout," --highpasswidth 0.015\n");
fprintf(stdout," -h\n");
fprintf(stdout," -m j\n");
fprintf(stdout," -b 160\n");
fprintf(stdout," plus -b 32 \\\n");
fprintf(stdout," -B 224 > in combination with -v\n");
fprintf(stdout," -V 3 /\n");
fprintf(stdout,"\n");
fprintf(stdout," --preset cd: => -k\n");
fprintf(stdout," -h\n");
fprintf(stdout," -m s\n");
fprintf(stdout," -b 192\n");
fprintf(stdout," plus -b 80 \\\n");
fprintf(stdout," -B 256 > in combination with -v\n");
fprintf(stdout," -V 2 /\n");
fprintf(stdout,"\n");
fprintf(stdout," --preset studio: => -k\n");
fprintf(stdout," -h\n");
fprintf(stdout," -m s\n");
fprintf(stdout," -b 256\n");
fprintf(stdout," plus -b 112 \\\n");
fprintf(stdout," -B 320 > in combination with -v\n");
fprintf(stdout," -V 0 /\n");
fprintf(stdout,"\n");
exit(0);
}
/************************************************************************
*
* parse_args
*
* PURPOSE: Sets encoding parameters to the specifications of the
* command line. Default settings are used for parameters
* not specified in the command line.
*
* If the input file is in WAVE or AIFF format, the sampling frequency is read
* from the AIFF header.
*
* The input and output filenames are read into #inpath# and #outpath#.
*
************************************************************************/
void lame_parse_args(lame_global_flags *gfp,int argc, char **argv)
{
FLOAT srate;
int err = 0, i = 0;
int autoconvert=0;
int user_quality=0;
char *programName = argv[0];
int track = 0;
inPath[0] = '\0';
outPath[0] = '\0';
gfp->inPath=inPath;
gfp->outPath=outPath;
id3_inittag(&id3tag);
id3tag.used = 0;
/* process args */
while(++i<argc && err == 0) {
char c, *token, *arg, *nextArg;
int argUsed;
token = argv[i];
if(*token++ == '-') {
if(i+1 < argc) nextArg = argv[i+1];
else nextArg = "";
argUsed = 0;
if (! *token) {
/* The user wants to use stdin and/or stdout. */
if(inPath[0] == '\0') strncpy(inPath, argv[i],MAX_NAME_SIZE);
else if(outPath[0] == '\0') strncpy(outPath, argv[i],MAX_NAME_SIZE);
}
if (*token == '-') {
/* GNU style */
token++;
if (strcmp(token, "resample")==0) {
argUsed=1;
srate = atof( nextArg );
/* samplerate = rint( 1000.0 * srate ); $A */
gfp->out_samplerate = (( 1000.0 * srate ) + 0.5);
if (srate < 1) {
fprintf(stderr,"Must specify a samplerate with --resample\n");
exit(1);
}
}
else if (strcmp(token, "mp3input")==0) {
gfp->input_format=sf_mp3;
}
else if (strcmp(token, "voice")==0) {
gfp->lowpassfreq=12000;
gfp->VBR_max_bitrate_kbps=160;
gfp->no_short_blocks=1;
}
else if (strcmp(token, "noshort")==0) {
gfp->no_short_blocks=1;
}
else if (strcmp(token, "noath")==0) {
gfp->noATH=1;
}
else if (strcmp(token, "nores")==0) {
gfp->disable_reservoir=1;
gfp->padding=0;
}
else if (strcmp(token, "athonly")==0) {
gfp->ATHonly=1;
}
else if (strcmp(token, "nohist")==0) {
#ifdef BRHIST
disp_brhist = 0;
#endif
}
/* options for ID3 tag */
else if (strcmp(token, "tt")==0) {
id3tag.used=1; argUsed = 1;
strncpy(id3tag.title, nextArg, 30);
}
else if (strcmp(token, "ta")==0) {
id3tag.used=1; argUsed = 1;
strncpy(id3tag.artist, nextArg, 30);
}
else if (strcmp(token, "tl")==0) {
id3tag.used=1; argUsed = 1;
strncpy(id3tag.album, nextArg, 30);
}
else if (strcmp(token, "ty")==0) {
id3tag.used=1; argUsed = 1;
strncpy(id3tag.year, nextArg, 4);
}
else if (strcmp(token, "tc")==0) {
id3tag.used=1; argUsed = 1;
strncpy(id3tag.comment, nextArg, 30);
}
else if (strcmp(token, "tn")==0) {
id3tag.used=1; argUsed = 1;
track = atoi(nextArg);
if (track < 1) { track = 1; }
if (track > 99) { track = 99; }
id3tag.track = track;
}
else if (strcmp(token, "tg")==0) {
argUsed = strtol (nextArg, &token, 10);
if (nextArg==token) {
/* Genere was given as a string, so it's number*/
for (argUsed=0; argUsed<=genre_last; argUsed++) {
if (!strcmp (genre_list[argUsed], nextArg)) { break; }
}
}
if (argUsed>genre_last) {
argUsed=255;
fprintf(stderr,"Unknown genre: %s. Specifiy genre number \n", nextArg);
}
argUsed &= 255; c=(char)(argUsed);
id3tag.used=1; argUsed = 1;
strncpy(id3tag.genre, &c, 1);
}
else if (strcmp(token, "lowpass")==0) {
argUsed=1;
gfp->lowpassfreq = (( 1000.0 * atof( nextArg ) ) + 0.5);
if (gfp->lowpassfreq < 1) {
fprintf(stderr,"Must specify lowpass with --lowpass freq, freq >= 0.001 kHz\n");
exit(1);
}
}
else if (strcmp(token, "lowpass-width")==0) {
argUsed=1;
gfp->lowpasswidth = (( 1000.0 * atof( nextArg ) ) + 0.5);
if (gfp->lowpasswidth < 0) {
fprintf(stderr,"Must specify lowpass width with --lowpass-width freq, freq >= 0 kHz\n");
exit(1);
}
}
else if (strcmp(token, "highpass")==0) {
argUsed=1;
gfp->highpassfreq = (( 1000.0 * atof( nextArg ) ) + 0.5);
if (gfp->highpassfreq < 1) {
fprintf(stderr,"Must specify highpass with --highpass freq, freq >= 0.001 kHz\n");
exit(1);
}
}
else if (strcmp(token, "highpass-width")==0) {
argUsed=1;
gfp->highpasswidth = (( 1000.0 * atof( nextArg ) ) + 0.5);
if (gfp->highpasswidth < 0) {
fprintf(stderr,"Must specify highpass width with --highpass-width freq, freq >= 0 kHz\n");
exit(1);
}
}
else if (strcmp(token, "cwlimit")==0) {
argUsed=1;
gfp->cwlimit = atof( nextArg );
if (gfp->cwlimit <= 0 ) {
fprintf(stderr,"Must specify cwlimit in kHz\n");
exit(1);
}
} /* some more GNU-ish options could be added
* version => complete name, version and license info (normal exit)
* quiet/silent => no messages on screen
* brief => few messages on screen (name, status report)
* verbose => all infos to screen (brhist, internal flags/filters)
* o/output file => specifies output filename
* O => stdout
* i/input file => specifies input filename
* I => stdin
*/
else if (strcmp(token, "help") ==0
||strcmp(token, "usage")==0){
lame_help(gfp,programName); /* doesn't return */
}
else if (strcmp(token, "preset")==0) {
argUsed=1;
if (strcmp(nextArg,"phone")==0)
{ /* when making changes, please update help text too */
gfp->brate = 16;
gfp->highpassfreq=260;
gfp->highpasswidth=40;
gfp->lowpassfreq=3700;
gfp->lowpasswidth=300;
gfp->VBR_q=5;
gfp->VBR_min_bitrate_kbps=8;
gfp->VBR_max_bitrate_kbps=56;
gfp->no_short_blocks=1;
gfp->out_samplerate = 16000;
gfp->mode = MPG_MD_MONO;
gfp->mode_fixed = 1;
gfp->quality = 5;
}
else if (strcmp(nextArg,"voice")==0)
{ /* when making changes, please update help text too */
gfp->brate = 56;
gfp->highpassfreq=100;
gfp->highpasswidth=20;
gfp->lowpasswidth=2000;
gfp->lowpassfreq=11000;
gfp->VBR_q=4;
gfp->VBR_min_bitrate_kbps=8;
gfp->VBR_max_bitrate_kbps=96;
gfp->no_short_blocks=1;
gfp->mode = MPG_MD_MONO;
gfp->mode_fixed = 1;
gfp->out_samplerate = 24000;
gfp->quality = 5;
}
else if (strcmp(nextArg,"fm")==0)
{ /* when making changes, please update help text too */
gfp->brate = 96;
gfp->highpassfreq=30;
gfp->highpasswidth=0;
gfp->lowpassfreq=15000;
gfp->lowpasswidth=0;
gfp->VBR_q=4;
gfp->VBR_min_bitrate_kbps=32;
gfp->VBR_max_bitrate_kbps=192;
gfp->mode = MPG_MD_JOINT_STEREO;
gfp->mode_fixed = 1;
/*gfp->out_samplerate = 32000; */ /* determined automatically based on bitrate & sample freq. */
gfp->quality = 5;
}
else if (strcmp(nextArg,"tape")==0)
{ /* when making changes, please update help text too */
gfp->brate = 128;
gfp->highpassfreq=15;
gfp->highpasswidth=15;
gfp->lowpassfreq=17000;
gfp->lowpasswidth=2000;
gfp->VBR_q=4;
gfp->VBR_min_bitrate_kbps=32;
gfp->VBR_max_bitrate_kbps=192;
gfp->mode = MPG_MD_JOINT_STEREO;
gfp->mode_fixed = 1;
gfp->quality = 5;
}
else if (strcmp(nextArg,"hifi")==0)
{ /* when making changes, please update help text too */
gfp->brate = 160;
gfp->highpassfreq=15;
gfp->highpasswidth=15;
gfp->lowpassfreq=20000;
gfp->lowpasswidth=3000;
gfp->VBR_q=3;
gfp->VBR_min_bitrate_kbps=32;
gfp->VBR_max_bitrate_kbps=224;
gfp->mode = MPG_MD_JOINT_STEREO;
gfp->mode_fixed = 1;
gfp->quality = 2;
}
else if (strcmp(nextArg,"cd")==0)
{ /* when making changes, please update help text too */
gfp->brate = 192;
gfp->lowpassfreq=-1;
gfp->highpassfreq=-1;
gfp->VBR_q=2;
gfp->VBR_min_bitrate_kbps=80;
gfp->VBR_max_bitrate_kbps=256;
gfp->mode = MPG_MD_STEREO;
gfp->mode_fixed = 1;
gfp->quality = 2;
}
else if (strcmp(nextArg,"studio")==0)
{ /* when making changes, please update help text too */
gfp->brate = 256;
gfp->lowpassfreq=-1;
gfp->highpassfreq=-1;
gfp->VBR_q=0;
gfp->VBR_min_bitrate_kbps=112;
gfp->VBR_max_bitrate_kbps=320;
gfp->mode = MPG_MD_STEREO;
gfp->mode_fixed = 1;
gfp->quality = 2; /* should be 0, but does not work now */
}
else if (strcmp(nextArg,"help")==0)
{
lame_presets_info(gfp,programName); /* doesn't return */
}
else
{
fprintf(stderr,"%s: --preset type, type must be phone, voice, fm, tape, hifi, cd or studio, not %s\n",
programName, nextArg);
exit(1);
}
} /* --preset */
else
{
fprintf(stderr,"%s: unrec option --%s\n",
programName, token);
}
i += argUsed;
} else while( (c = *token++) ) {
if(*token ) arg = token;
else arg = nextArg;
switch(c) {
case 'm': argUsed = 1; gfp->mode_fixed = 1;
if (*arg == 's')
{ gfp->mode = MPG_MD_STEREO; }
else if (*arg == 'd')
{ gfp->mode = MPG_MD_DUAL_CHANNEL; }
else if (*arg == 'j')
{ gfp->mode = MPG_MD_JOINT_STEREO; }
else if (*arg == 'f')
{ gfp->mode = MPG_MD_JOINT_STEREO; gfp->force_ms=1; }
else if (*arg == 'm')
{ gfp->mode = MPG_MD_MONO; }
else {
fprintf(stderr,"%s: -m mode must be s/d/j/f/m not %s\n",
programName, arg);
err = 1;
}
break;
case 'V': argUsed = 1; gfp->VBR = 1;
gfp->VBR_q = atoi(arg);
if (gfp->VBR_q <0) gfp->VBR_q=0;
if (gfp->VBR_q >9) gfp->VBR_q=9;
break;
case 'q': argUsed = 1;
user_quality = atoi(arg);
if (user_quality<0) user_quality=0;
if (user_quality>9) user_quality=9;
break;
case 's':
argUsed = 1;
srate = atof( arg );
/* samplerate = rint( 1000.0 * srate ); $A */
gfp->in_samplerate = (( 1000.0 * srate ) + 0.5);
break;
case 'b':
argUsed = 1;
gfp->brate = atoi(arg);
gfp->VBR_min_bitrate_kbps=gfp->brate;
break;
case 'B':
argUsed = 1;
gfp->VBR_max_bitrate_kbps=atoi(arg);
break;
case 't': /* dont write VBR tag */
gfp->bWriteVbrTag=0;
break;
case 'r': /* force raw pcm input file */
#ifdef LIBSNDFILE
fprintf(stderr,"WARNING: libsndfile may ignore -r and perform fseek's on the input.\n");
fprintf(stderr,"Compile without libsndfile if this is a problem.\n");
#endif
gfp->input_format=sf_raw;
break;
case 'x': /* force byte swapping */
gfp->swapbytes=TRUE;
break;
case 'p': /* (jo) error_protection: add crc16 information to stream */
gfp->error_protection = 1;
break;
case 'a': /* autoconvert input file from stereo to mono - for mono mp3 encoding */
autoconvert=1;
gfp->mode=MPG_MD_MONO;
gfp->mode_fixed=1;
break;
case 'h':
gfp->quality = 2;
break;
case 'k':
gfp->lowpassfreq=-1;
gfp->highpassfreq=-1;
break;
case 'd':
gfp->allow_diff_short = 1;
break;
case 'v':
gfp->VBR = 1;
break;
case 'S':
gfp->silent = TRUE;
break;
case 'X': argUsed = 1; gfp->experimentalX = 0;
if (*arg == '0')
{ gfp->experimentalX=0; }
else if (*arg == '1')
{ gfp->experimentalX=1; }
else if (*arg == '2')
{ gfp->experimentalX=2; }
else if (*arg == '3')
{ gfp->experimentalX=3; }
else if (*arg == '4')
{ gfp->experimentalX=4; }
else if (*arg == '5')
{ gfp->experimentalX=5; }
else if (*arg == '6')
{ gfp->experimentalX=6; }
else {
fprintf(stderr,"%s: -X n must be 0-6, not %s\n",
programName, arg);
err = 1;
}
break;
case 'Y':
gfp->experimentalY = TRUE;
break;
case 'Z':
gfp->experimentalZ = TRUE;
break;
case 'f':
gfp->quality= 9;
break;
case 'g': /* turn on gtk analysis */
#ifdef HAVEGTK
gfp->gtkflag = TRUE;
#else
fprintf(stderr,"LAME not compiled with GTK support, -g not supported.\n",
programName, arg);
#endif
break;
case 'e': argUsed = 1;
if (*arg == 'n') gfp->emphasis = 0;
else if (*arg == '5') gfp->emphasis = 1;
else if (*arg == 'c') gfp->emphasis = 3;
else {
fprintf(stderr,"%s: -e emp must be n/5/c not %s\n",
programName, arg);
err = 1;
}
break;
case 'c': gfp->copyright = 1; break;
case 'o': gfp->original = 0; break;
case '?': lame_help(gfp,programName); /* doesn't return */
default: fprintf(stderr,"%s: unrec option %c\n",
programName, c);
err = 1; break;
}
if(argUsed) {
if(arg == token) token = ""; /* no more from token */
else ++i; /* skip arg we used */
arg = ""; argUsed = 0;
}
}
} else {
if(inPath[0] == '\0') strncpy(inPath, argv[i], MAX_NAME_SIZE);
else if(outPath[0] == '\0') strncpy(outPath, argv[i], MAX_NAME_SIZE);
else {
fprintf(stderr,"%s: excess arg %s\n", programName, argv[i]);
err = 1;
}
}
} /* loop over args */
if(err || inPath[0] == '\0') lame_usage(gfp,programName); /* never returns */
if (inPath[0]=='-') gfp->silent=1; /* turn off status - it's broken for stdin */
if(outPath[0] == '\0') {
if (inPath[0]=='-') {
/* if input is stdin, default output is stdout */
strcpy(outPath,"-");
}else {
strncpy(outPath, inPath, MAX_NAME_SIZE - 4);
strncat(outPath, ".mp3", 4 );
}
}
/* some file options not allowed with stdout */
if (outPath[0]=='-') {
gfp->bWriteVbrTag=0; /* turn off VBR tag */
if (id3tag.used) {
id3tag.used=0; /* turn of id3 tagging */
fprintf(stderr,"id3tag ignored: id3 tagging not supported for stdout.\n");
}
}
/* if user did not explicitly specify input is mp3, check file name */
if (gfp->input_format != sf_mp3)
if (!(strcmp((char *) &inPath[strlen(inPath)-4],".mp3")))
gfp->input_format = sf_mp3;
#if !(defined HAVEMPGLIB || defined AMIGA_MPEGA)
if (gfp->input_format == sf_mp3) {
fprintf(stderr,"Error: libmp3lame not compiled with mp3 *decoding* support \n");
exit(1);
}
#endif
/* default guess for number of channels */
if (autoconvert) gfp->num_channels=2;
else if (gfp->mode == MPG_MD_MONO) gfp->num_channels=1;
else gfp->num_channels=2;
/* user specified a quality value. override any defaults set above */
if (user_quality) gfp->quality=user_quality;
}
#endif