static boolean ReadTrack(midi_track_t *track, FILE *stream)
{
midi_event_t *new_events;
midi_event_t *event;
unsigned int last_event_type;
track->num_events = 0;
track->events = NULL;
// Read the header:
if (!ReadTrackHeader(track, stream))
{
return false;
}
// Then the events:
last_event_type = 0;
for (;;)
{
// Resize the track slightly larger to hold another event:
new_events = realloc(track->events,
sizeof(midi_event_t) * (track->num_events + 1));
if (new_events == NULL)
{
return false;
}
track->events = new_events;
// Read the next event:
event = &track->events[track->num_events];
if (!ReadEvent(event, &last_event_type, stream))
{
return false;
}
++track->num_events;
// End of track?
if (event->event_type == MIDI_EVENT_META
&& event->data.meta.type == MIDI_META_END_OF_TRACK)
{
break;
}
}
return true;
}
static dboolean ReadTrack(midi_track_t *track, FILE *stream)
{
midi_event_t *new_events = NULL;
unsigned int last_event_type;
track->num_events = 0;
track->events = NULL;
track->num_event_mem = 0; // NSM
// Read the header:
if (!ReadTrackHeader(track, stream))
return false;
// Then the events:
last_event_type = 0;
for (;;)
{
midi_event_t *event;
// Resize the track slightly larger to hold another event:
if (track->num_events == track->num_event_mem)
{
// depending on the state of the heap and the malloc implementation, realloc()
// one more event at a time can be VERY slow. 10sec+ in MSVC
track->num_event_mem += 100;
new_events = Z_Realloc(track->events, sizeof(midi_event_t) * track->num_event_mem);
}
if (!new_events)
return false;
track->events = new_events;
// Read the next event:
event = &track->events[track->num_events];
if (!ReadEvent(event, &last_event_type, stream))
return false;
++track->num_events;
// End of track?
if (event->event_type == MIDI_EVENT_META
&& event->data.meta.type == MIDI_META_END_OF_TRACK)
break;
}
return true;
}
