static gboolean
gst_two_lame_get_default_settings (void)
{
twolame_options *glopts = NULL;
glopts = twolame_init ();
if (glopts == NULL) {
GST_ERROR ("Couldn't initialize TwoLAME");
return FALSE;
}
twolame_set_num_channels (glopts, 2);
twolame_set_in_samplerate (glopts, 44100);
if (twolame_init_params (glopts) != 0) {
GST_ERROR ("Couldn't set default parameters");
return FALSE;
}
gst_two_lame_default_settings.mode = TWOLAME_JOINT_STEREO; /* twolame_get_mode (glopts); */
gst_two_lame_default_settings.psymodel = twolame_get_psymodel (glopts);
gst_two_lame_default_settings.bitrate = twolame_get_bitrate (glopts);
gst_two_lame_default_settings.padding = twolame_get_padding (glopts);
gst_two_lame_default_settings.energy_level_extension =
twolame_get_energy_levels (glopts);
gst_two_lame_default_settings.emphasis = twolame_get_emphasis (glopts);
gst_two_lame_default_settings.error_protection =
twolame_get_error_protection (glopts);
gst_two_lame_default_settings.copyright = twolame_get_copyright (glopts);
gst_two_lame_default_settings.original = twolame_get_original (glopts);
gst_two_lame_default_settings.vbr = twolame_get_VBR (glopts);
gst_two_lame_default_settings.vbr_level = twolame_get_VBR_level (glopts);
gst_two_lame_default_settings.ath_level = twolame_get_ATH_level (glopts);
gst_two_lame_default_settings.vbr_max_bitrate =
twolame_get_VBR_max_bitrate_kbps (glopts);
gst_two_lame_default_settings.quick_mode = twolame_get_quick_mode (glopts);
gst_two_lame_default_settings.quick_mode_count =
twolame_get_quick_count (glopts);
twolame_close (&glopts);
return TRUE;
}
// 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));
if (twolame_get_VBR(glopts))
fprintf(fd, "VBR ");
else
fprintf(fd, "%d kbps CBR ", twolame_get_bitrate(glopts));
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 Energy:%s ]\n",
((twolame_get_padding(glopts)) ? "Normal" : "Off "),
((twolame_get_error_protection(glopts)) ? "On " : "Off"),
((twolame_get_energy_levels(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));
if (twolame_get_num_ancillary_bits(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");
}
}
