int get_pos_ms()
{
// Unfortunately the alogg_get_pos_msecs function
// returns the ms offset that was last decoded, so it's always
// ahead of the actual playback. Therefore we have this
// hideous hack below to sort it out.
if ((done) || (!alogg_is_playing_ogg(tune)))
return 0;
AUDIOSTREAM *str = alogg_get_audiostream_ogg(tune);
long offs = (voice_get_position(str->voice) * 1000) / str->samp->freq;
if (last_ms_offs != alogg_get_pos_msecs_ogg(tune)) {
last_but_one_but_one = last_but_one;
last_but_one = last_ms_offs;
last_ms_offs = alogg_get_pos_msecs_ogg(tune);
}
// just about to switch buffers
if (offs < 0)
return last_but_one;
int end_of_stream = alogg_is_end_of_ogg(tune);
if ((str->active == 1) && (last_but_one_but_one > 0) && (str->locked == NULL)) {
switch (end_of_stream) {
case 0:
case 2:
offs -= (last_but_one - last_but_one_but_one);
break;
case 1:
offs -= (last_but_one - last_but_one_but_one);
break;
}
}
/* char tbuffer[260];
sprintf(tbuffer,"offs: %d last_but_one_but_one: %d last_but_one: %d active:%d locked: %p EOS: %d",
offs, last_but_one_but_one, last_but_one, str->active, str->locked, end_of_stream);
write_log(tbuffer);*/
if (end_of_stream == 1) {
return offs + last_but_one + extraOffset;
}
return offs + last_but_one_but_one + extraOffset;
}
void eof_mix_start(int speed)
{
unsigned long i;
eof_log("eof_mix_start() entered", 1);
eof_mix_next_clap = -1;
eof_mix_next_metronome = -1;
for(i = 0; i < EOF_MIX_MAX_CHANNELS; i++)
{
eof_voice[i].sp = NULL;
eof_voice[i].pos = 0;
eof_voice[i].fpos = 0.0;
eof_voice[i].playing = 0;
eof_voice[i].volume = 100; //Default to 100% volume
eof_voice[i].multiplier = 1.0; //Default to 100% volume
}
eof_voice[0].volume = eof_clap_volume; //Put the clap volume into effect
eof_voice[0].multiplier = sqrt(eof_clap_volume/100.0); //Store this math so it only needs to be performed once
eof_voice[1].volume = eof_tick_volume; //Put the tick volume into effect
eof_voice[1].multiplier = sqrt(eof_tick_volume/100.0); //Store this math so it only needs to be performed once
eof_voice[2].volume = eof_tone_volume; //Put the tone volume into effect
eof_voice[2].multiplier = sqrt(eof_tone_volume/100.0); //Store this math so it only needs to be performed once
eof_voice[3].volume = eof_percussion_volume; //Put the percussion volume into effect
eof_voice[3].multiplier = sqrt(eof_percussion_volume/100.0); //Store this math so it only needs to be performed once
eof_mix_speed = speed;
eof_mix_speed_ticker = 0;
eof_mix_sample_count = eof_mix_msec_to_sample(alogg_get_pos_msecs_ogg(eof_music_track), alogg_get_wave_freq_ogg(eof_music_track));
eof_mix_sample_increment = (1.0) * (44100.0 / (double)alogg_get_wave_freq_ogg(eof_music_track));
eof_mix_start_helper();
for(i = 1; i < eof_song->tracks; i++)
{ //Pre-process all tracks so that switching tracks during playback doesn't cause the playback to lag
eof_determine_phrase_status(eof_song, i);
}
}
