private boolean vorbis_encode_setup_setting(int channels, int rate) {
int i, is;
codec_setup_info ci = vi.codec_setup;
highlevel_encode_setup hi = ci.hi;
ve_setup_data_template setup = hi.setup;
float ds; // double
// vorbis_encode_toplevel_setup(vorbis_info *vi,int ch,long rate)
vi.version = 0;
vi.channels = channels;
vi.rate = rate;
is = new Float(hi.base_setting).intValue();
ds = hi.base_setting - is;
hi.short_setting = hi.base_setting;
hi.long_setting = hi.base_setting;
hi.managed = 0;
hi.impulse_block_p = 1;
hi.noise_normalize_p = 1;
hi.stereo_point_setting = hi.base_setting;
hi.lowpass_kHz = setup.psy_lowpass[is] * (1.0f - ds) + setup.psy_lowpass[is + 1] * ds;
hi.ath_floating_dB = setup.psy_ath_float[is] * (1.0f - ds) + setup.psy_ath_float[is + 1] * ds;
hi.ath_absolute_dB = setup.psy_ath_abs[is] * (1.0f - ds) + setup.psy_ath_abs[is + 1] * ds;
hi.amplitude_track_dBpersec = -6.0f;
hi.trigger_setting = hi.base_setting;
for (i = 0; i < 4; i++)
hi.block[i] =
new highlevel_byblocktype(
hi.base_setting, hi.base_setting, hi.base_setting, hi.base_setting);
return true;
}
public boolean vorbis_encode_setup_init() { // the final setup call
int i0 = 0;
int singleblock = 0;
codec_setup_info ci = vi.codec_setup;
ve_setup_data_template setup = null;
highlevel_encode_setup hi = ci.hi;
if (ci == null) {
System.out.println("vorbis_info.codec_setup_info doesnt exist");
return false;
}
if (hi.impulse_block_p == 0) i0 = 1;
// too low/high an ATH floater is nonsensical, but doesn't break anything
if (hi.ath_floating_dB > -80) hi.ath_floating_dB = -80;
if (hi.ath_floating_dB < -200) hi.ath_floating_dB = -200;
// again, bound this to avoid the app shooting itself in the foot
if (hi.amplitude_track_dBpersec > 0.) hi.amplitude_track_dBpersec = 0.0f;
if (hi.amplitude_track_dBpersec < -99999.) hi.amplitude_track_dBpersec = -99999.0f;
// get the appropriate setup template; matches the fetch in previous stages
setup = hi.setup;
if (setup == null) {
System.out.println(
"vorbis_info.codec_setup.highlevel_encode_setup.ve_setup_data_template doesnt exist");
return false;
}
hi.set_in_stone = 1;
// choose block sizes from configured sizes as well as paying attention
// to long_block_p and short_block_p. If the configured short and long
// blocks are the same length, we set long_block_p and unset short_block_p
vorbis_encode_blocksize_setup(hi.base_setting, setup.blocksize_short, setup.blocksize_long);
if (ci.blocksizes[0] == ci.blocksizes[1]) singleblock = 1;
// floor setup; choose proper floor params. Allocated on the floor stack in order; if we alloc
// only long floor, it's 0
vorbis_encode_floor_setup(
hi.short_setting, 0, setup.floor_books, setup.floor_params, setup.floor_short_mapping);
if (singleblock == 0)
vorbis_encode_floor_setup(
hi.long_setting, 1, setup.floor_books, setup.floor_params, setup.floor_long_mapping);
// setup of [mostly] short block detection and stereo
vorbis_encode_global_psych_setup(hi.trigger_setting, setup.global_params, setup.global_mapping);
vorbis_encode_global_stereo(hi, setup.stereo_modes);
// basic psych setup and noise normalization
vorbis_encode_psyset_setup(
hi.short_setting,
setup.psy_noise_normal_start[0],
setup.psy_noise_normal_partition[0],
setup.psy_noise_normal_thresh,
0);
vorbis_encode_psyset_setup(
hi.short_setting,
setup.psy_noise_normal_start[0],
setup.psy_noise_normal_partition[0],
setup.psy_noise_normal_thresh,
1);
if (singleblock == 0) {
vorbis_encode_psyset_setup(
hi.long_setting,
setup.psy_noise_normal_start[1],
setup.psy_noise_normal_partition[1],
setup.psy_noise_normal_thresh,
2);
vorbis_encode_psyset_setup(
hi.long_setting,
setup.psy_noise_normal_start[1],
setup.psy_noise_normal_partition[1],
setup.psy_noise_normal_thresh,
3);
}
// tone masking setup
vorbis_encode_tonemask_setup(
hi.block[i0].tone_mask_setting,
0,
setup.psy_tone_masteratt,
setup.psy_tone_0dB,
setup.psy_tone_adj_impulse);
vorbis_encode_tonemask_setup(
hi.block[1].tone_mask_setting,
1,
setup.psy_tone_masteratt,
setup.psy_tone_0dB,
setup.psy_tone_adj_other);
if (singleblock == 0) {
vorbis_encode_tonemask_setup(
hi.block[2].tone_mask_setting,
2,
setup.psy_tone_masteratt,
setup.psy_tone_0dB,
setup.psy_tone_adj_other);
vorbis_encode_tonemask_setup(
hi.block[3].tone_mask_setting,
3,
setup.psy_tone_masteratt,
setup.psy_tone_0dB,
setup.psy_tone_adj_long);
}
// noise companding setup
vorbis_encode_compand_setup(
hi.block[i0].noise_compand_setting,
0,
setup.psy_noise_compand,
setup.psy_noise_compand_short_mapping);
vorbis_encode_compand_setup(
hi.block[1].noise_compand_setting,
1,
setup.psy_noise_compand,
setup.psy_noise_compand_short_mapping);
if (singleblock == 0) {
vorbis_encode_compand_setup(
hi.block[2].noise_compand_setting,
2,
setup.psy_noise_compand,
setup.psy_noise_compand_long_mapping);
vorbis_encode_compand_setup(
hi.block[3].noise_compand_setting,
3,
setup.psy_noise_compand,
setup.psy_noise_compand_long_mapping);
}
// peak guarding setup
vorbis_encode_peak_setup(hi.block[i0].tone_peaklimit_setting, 0, setup.psy_tone_dBsuppress);
vorbis_encode_peak_setup(hi.block[1].tone_peaklimit_setting, 1, setup.psy_tone_dBsuppress);
if (singleblock == 0) {
vorbis_encode_peak_setup(hi.block[2].tone_peaklimit_setting, 2, setup.psy_tone_dBsuppress);
vorbis_encode_peak_setup(hi.block[3].tone_peaklimit_setting, 3, setup.psy_tone_dBsuppress);
}
// noise bias setup
float userbias = 0;
if (i0 == 0) userbias = hi.impulse_noisetune;
vorbis_encode_noisebias_setup(
hi.block[i0].noise_bias_setting,
0,
setup.psy_noise_dBsuppress,
setup.psy_noise_bias_impulse,
setup.psy_noiseguards,
userbias);
vorbis_encode_noisebias_setup(
hi.block[1].noise_bias_setting,
1,
setup.psy_noise_dBsuppress,
setup.psy_noise_bias_padding,
setup.psy_noiseguards,
0.0f);
if (singleblock == 0) {
vorbis_encode_noisebias_setup(
hi.block[2].noise_bias_setting,
2,
setup.psy_noise_dBsuppress,
setup.psy_noise_bias_trans,
setup.psy_noiseguards,
0.0f);
vorbis_encode_noisebias_setup(
hi.block[3].noise_bias_setting,
3,
setup.psy_noise_dBsuppress,
setup.psy_noise_bias_long,
setup.psy_noiseguards,
0.0f);
}
vorbis_encode_ath_setup(0);
vorbis_encode_ath_setup(1);
if (singleblock == 0) {
vorbis_encode_ath_setup(2);
vorbis_encode_ath_setup(3);
}
vorbis_encode_map_n_res_setup(hi.base_setting, setup.maps);
// set bitrate readonlies and management
if (hi.bitrate_av > 0) vi.bitrate_nominal = hi.bitrate_av;
else vi.bitrate_nominal = new Float(setting_to_approx_bitrate()).intValue();
vi.bitrate_lower = hi.bitrate_min;
vi.bitrate_upper = hi.bitrate_max;
if (hi.bitrate_av > 0) vi.bitrate_window = hi.bitrate_reservoir / hi.bitrate_av;
else vi.bitrate_window = 0;
if (hi.managed > 0) {
ci.bi =
new bitrate_manager_info(
hi.bitrate_av,
hi.bitrate_min,
hi.bitrate_max,
hi.bitrate_reservoir,
hi.bitrate_reservoir_bias,
hi.bitrate_av_damp);
}
return true;
}