/*
usage_short()
Display the short usage information
*/
static void usage_short()
{
/* print a bit of info about the program */
fprintf(stderr, "TwoLAME version %s (%s)\n", get_twolame_version(), get_twolame_url());
fprintf(stderr, "MPEG Audio Layer II (MP2) encoder\n\n");
fprintf(stderr, "Usage: twolame [options] <infile> [outfile]\n\n");
fprintf(stderr, "Try \"twolame --help\" for more information.\n");
exit(ERR_NO_ENCODE);
}
/*
usage_long()
Display the extended usage information
*/
static void
usage_long()
{
fprintf(stdout, "TwoLAME version %s (%s)\n", get_twolame_version(), get_twolame_url());
fprintf(stdout, "MPEG Audio Layer II (MP2) encoder\n");
fprintf(stdout, "Usage: \n");
fprintf(stdout, "\ttwolame [options] <infile> [outfile]\n");
fprintf(stdout, "\n");
fprintf(stdout, "Both input and output filenames can be set to - to use stdin/stdout.\n");
fprintf(stdout, " <infile> input sound file (any format supported by libsndfile)\n");
fprintf(stdout, " <outfile> output bit stream of encoded audio\n");
fprintf(stdout, "\nInput Options\n");
fprintf(stdout, "\t-r, --raw-input input is raw 16-bit signed PCM audio\n");
fprintf(stdout, "\t-x, --byte-swap force byte-swapping of input\n");
fprintf(stdout, "\t-s, --samplerate srate sampling frequency of raw input (kHz)\n");
fprintf(stdout, "\t-N, --channels nch number of channels in raw input\n");
fprintf(stdout, "\t-g, --swap-channels swap channels of input file\n");
fprintf(stdout, "\t --scale value scale input (multiply PCM data)\n");
fprintf(stdout, "\t --scale-l value scale channel 0 (left) input\n");
fprintf(stdout, "\t --scale-r value scale channel 1 (right) input\n");
fprintf(stdout, "\nOutput Options\n");
fprintf(stdout, "\t-m, --mode mode (s)tereo, (j)oint, (m)ono or (a)uto\n");
fprintf(stdout, "\t-a, --downmix downmix from stereo to mono file for mono encoding\n");
fprintf(stdout, "\t-b, --bitrate br total bitrate in kbps (default 192 for 44.1kHz)\n");
fprintf(stdout, "\t-P, --psyc-mode psyc psychoacoustic model -1 to 3 (default 3)\n");
fprintf(stdout, "\t-v, --vbr enable VBR mode\n");
fprintf(stdout, "\t-V, --vbr-level lev enable VBR and set VBR level -50 to 50 (default 5)\n");
fprintf(stdout, "\t-B, --max-bitrate rate set the upper bitrate when in VBR mode\n");
fprintf(stdout, "\t-l, --ath lev ATH level (default 0)\n");
fprintf(stdout, "\t-q, --quick num only calculate psy model every num frames\n");
fprintf(stdout, "\t-S, --single-frame only encode a single frame of MPEG Audio\n");
fprintf(stdout, "\nMiscellaneous Options\n");
fprintf(stdout, "\t-c, --copyright mark as copyright\n");
fprintf(stdout, "\t-o, --non-original mark as non-original\n");
fprintf(stdout, "\t --original mark as original (default)\n");
fprintf(stdout, "\t-p, --protect enable CRC error protection\n");
fprintf(stdout, "\t-d, --padding force padding bit/frame on\n");
fprintf(stdout, "\t-R, --reserve-bits num set number of reserved bits in each frame\n");
fprintf(stdout, "\t-e, --deemphasis emp de-emphasis n/5/c (default: (n)one)\n");
fprintf(stdout, "\t-E, --energy turn on energy level extensions\n");
fprintf(stdout, "\nVerbosity Options\n");
fprintf(stdout, "\t-t, --talkativity num talkativity 0-10 (default is 2)\n");
fprintf(stdout, "\t --quiet same as --talkativity=0\n");
fprintf(stdout, "\t --brief same as --talkativity=1\n");
fprintf(stdout, "\t --verbose same as --talkativity=4\n");
fprintf(stdout, "\n");
fprintf(stdout, "\nAllowable bitrates for 32, 44.1 and 48kHz sample input (MPEG-1)\n");
fprintf(stdout, " 32, 48, 56, 64, 80, 96, 112, 128, 160, 192, 224, 256, 320, 384\n");
fprintf(stdout, "\nAllowable bitrates for 16, 22.05 and 24kHz sample input (MPEG-2)\n");
fprintf(stdout, " 8, 16, 24, 32, 40, 48, 56, 64, 80, 96, 112, 128, 144, 160\n");
fprintf(stdout, "\n");
exit(ERR_NO_ENCODE);
}
// Print the library version and
// encoder parameter settings to STDERR
void twolame_print_config(twolame_options *glopts)
{
FILE* fd = stderr;
// Are we being silent ?
if (glopts->verbosity<=0) return;
// Are we being brief ?
if (glopts->verbosity==1) {
fprintf(fd, "LibTwoLame version %s (%s)\n", get_twolame_version(), get_twolame_url());
fprintf (fd, "Encoding as %dHz, ", twolame_get_out_samplerate(glopts));
fprintf (fd, "%d kbps, ", twolame_get_bitrate(glopts) );
if (twolame_get_VBR(glopts)) fprintf (fd, "VBR, " );
else fprintf (fd, "CBR, " );
fprintf (fd, "%s Layer II\n", twolame_get_version_name(glopts));
} else {
fprintf (fd, "---------------------------------------------------------\n");
fprintf (fd, "LibTwoLame %s (%s)\n", get_twolame_version(), get_twolame_url());
fprintf (fd, "Input : %d Hz, %d channels\n",
twolame_get_in_samplerate(glopts),
twolame_get_num_channels(glopts));
fprintf (fd, "Output: %d Hz, %s\n",
twolame_get_out_samplerate(glopts),
twolame_get_mode_name(glopts));
fprintf (fd, "%d kbps ", twolame_get_bitrate(glopts) );
if (twolame_get_VBR(glopts)) fprintf (fd, "VBR " );
else fprintf (fd, "CBR " );
fprintf (fd, "%s Layer II ", twolame_get_version_name(glopts));
fprintf (fd, "psycho model=%d \n", twolame_get_psymodel(glopts));
fprintf (fd, "[De-emph:%s Copyright:%s Original:%s]\n",
((twolame_get_emphasis(glopts)) ? "On " : "Off"),
((twolame_get_copyright(glopts)) ? "Yes" : "No "),
((twolame_get_original(glopts)) ? "Yes" : "No "));
fprintf (fd, "[Padding:%s CRC:%s DAB:%s ]\n",
((twolame_get_padding(glopts)) ? "Normal" : "Off "),
((twolame_get_error_protection(glopts)) ? "On " : "Off"),
((twolame_get_DAB(glopts)) ? "On " : "Off"));
if (glopts->verbosity>=3) {
if (twolame_get_VBR(glopts)) {
fprintf (fd, " - VBR Enabled. Using MNR boost of %f\n", twolame_get_VBR_level(glopts));
fprintf (fd, " - VBR bitrate index limits [%i -> %i]\n", glopts->lower_index, glopts->upper_index);
}
fprintf(fd," - ATH adjustment %f\n", twolame_get_ATH_level(glopts));
fprintf(fd," - Reserving %i Ancillary bits\n", twolame_get_num_ancillary_bits(glopts));
if (twolame_get_scale(glopts)!=1.0f)
fprintf(fd," - Scaling audio by %f\n", twolame_get_scale(glopts));
if (twolame_get_scale_left(glopts)!=1.0f)
fprintf(fd," - Scaling left channel by %f\n", twolame_get_scale_left(glopts));
if (twolame_get_scale_right(glopts)!=1.0f)
fprintf(fd," - Scaling right channel by %f\n", twolame_get_scale_right(glopts));
//if (glopts->num_channels_in == 2 && glopts->num_channels_out == 1 ) {
// fprintf(fd, " - Downmixing from stereo to mono.\n");
//} else if (glopts->num_channels_in == 1 && glopts->num_channels_out == 2 ) {
// fprintf(fd, " - Upmixing from mono to stereo.\n");
//}
}
fprintf (fd, "---------------------------------------------------------\n");
}
}
