Changeset - r22909:ccc8d6c236f0
[Not reviewed]
master
0 6 0
Niels Martin Hansen - 6 years ago 2018-03-04 22:34:02
nielsm@indvikleren.dk
Change #6684: Cutting point overrides for music base sets

This improves bad looping of title screen song from Windows TTD, and fixes
a long silence at the end of "Can't get there from here" from Windows TTD.
6 files changed with 56 insertions and 19 deletions:
0 comments (0 inline, 0 general)
bin/baseset/orig_win.obm
Show inline comments
 
@@ -142,5 +142,17 @@ GM_TT19.GM = Funk Central
 
GM_TT20.GM = Jammit
 
GM_TT21.GM = Movin' On
 

	
 
; MIDI timecodes where the playback should attemp to start and stop short.
 
; This is to allow fixing undesired silences in original MIDI files.
 
; However not all music drivers may support this.
 
[timingtrim]
 
; Theme has two beats silence at the beginning which prevents clean looping.
 
GM_TT00.GM = 768:53760
 
; Can't Get There From Here from the Windows version has a long silence at the end,
 
; followed by a solo repeat. This isn't in the original DOS version music and is likely
 
; unintentional from the people who converted the music from the DOS version.
 
; Actual song ends after measure 152.
 
GM_TT10.GM = 0:235008
 

	
 
[origin]
 
default      = You can find it on your Transport Tycoon Deluxe CD-ROM.
media/baseset/orig_win.obm
Show inline comments
 
@@ -90,5 +90,17 @@ GM_TT19.GM = Funk Central
 
GM_TT20.GM = Jammit
 
GM_TT21.GM = Movin' On
 

	
 
; MIDI timecodes where the playback should attemp to start and stop short.
 
; This is to allow fixing undesired silences in original MIDI files.
 
; However not all music drivers may support this.
 
[timingtrim]
 
; Theme has two beats silence at the beginning which prevents clean looping.
 
GM_TT00.GM = 768:53760
 
; Can't Get There From Here from the Windows version has a long silence at the end,
 
; followed by a solo repeat. This isn't in the original DOS version music and is likely
 
; unintentional from the people who converted the music from the DOS version.
 
; Actual song ends after measure 152.
 
GM_TT10.GM = 0:235008
 

	
 
[origin]
 
default      = You can find it on your Transport Tycoon Deluxe CD-ROM.
src/base_media_base.h
Show inline comments
 
@@ -301,6 +301,8 @@ struct MusicSongInfo {
 
	const char *filename;    ///< file on disk containing song (when used in MusicSet class, this pointer is owned by MD5File object for the file)
 
	MusicTrackType filetype; ///< decoder required for song file
 
	int cat_index;           ///< entry index in CAT file, for filetype==MTT_MPSMIDI
 
	int override_start;      ///< MIDI ticks to skip over in beginning
 
	int override_end;        ///< MIDI tick to end the song at (0 if no override)
 
};
 

	
 
/** All data of a music set. */
src/music.cpp
Show inline comments
 
@@ -125,6 +125,7 @@ bool MusicSet::FillSetDetails(IniFile *i
 
		this->num_available = 0;
 
		IniGroup *names = ini->GetGroup("names");
 
		IniGroup *catindex = ini->GetGroup("catindex");
 
		IniGroup *timingtrim = ini->GetGroup("timingtrim");
 
		for (uint i = 0, j = 1; i < lengthof(this->songinfo); i++) {
 
			const char *filename = this->files[i].filename;
 
			if (names == NULL || StrEmpty(filename)) {
 
@@ -150,15 +151,16 @@ bool MusicSet::FillSetDetails(IniFile *i
 
				this->songinfo[i].filetype = MTT_STANDARDMIDI;
 
			}
 

	
 
			const char *trimmed_filename = filename;
 
			/* As we possibly add a path to the filename and we compare
 
			 * on the filename with the path as in the .obm, we need to
 
			 * keep stripping path elements until we find a match. */
 
			for (const char *p = filename; p != NULL; p = strchr(p, PATHSEPCHAR)) {
 
			for (; trimmed_filename != NULL; trimmed_filename = strchr(trimmed_filename, PATHSEPCHAR)) {
 
				/* Remove possible double path separator characters from
 
				 * the beginning, so we don't start reading e.g. root. */
 
				while (*p == PATHSEPCHAR) p++;
 
				while (*trimmed_filename == PATHSEPCHAR) trimmed_filename++;
 

	
 
				item = names->GetItem(p, false);
 
				item = names->GetItem(trimmed_filename, false);
 
				if (item != NULL && !StrEmpty(item->value)) break;
 
			}
 

	
 
@@ -173,6 +175,15 @@ bool MusicSet::FillSetDetails(IniFile *i
 
			this->num_available++;
 

	
 
			this->songinfo[i].tracknr = j++;
 

	
 
			item = timingtrim->GetItem(trimmed_filename, false);
 
			if (item != NULL && !StrEmpty(item->value)) {
 
				const char *endpos = strchr(item->value, ':');
 
				if (endpos != NULL) {
 
					this->songinfo[i].override_start = atoi(item->value);
 
					this->songinfo[i].override_end = atoi(endpos + 1);
 
				}
 
			}
 
		}
 
	}
 
	return ret;
src/music/dmusic.cpp
Show inline comments
 
@@ -723,14 +723,6 @@ static void MidiThreadProc(void *)
 
			while (current_block < current_file.blocks.size()) {
 
				MidiFile::DataBlock &block = current_file.blocks[current_block];
 

	
 
				/* check that block is not in the future */
 
				REFERENCE_TIME playback_time = current_time - playback_start_time;
 
				if (block.realtime * MIDITIME_TO_REFTIME > playback_time +  3 *_playback.preload_time * MS_TO_REFTIME) {
 
					/* Stop the thread loop until we are at the preload time of the next block. */
 
					next_timeout = Clamp(((int64)block.realtime * MIDITIME_TO_REFTIME - playback_time) / MS_TO_REFTIME - _playback.preload_time, 0, 1000);
 
					DEBUG(driver, 9, "DMusic thread: Next event in %u ms (music %u, ref %lld)", next_timeout, block.realtime * MIDITIME_TO_REFTIME, playback_time);
 
					break;
 
				}
 
				/* check that block isn't at end-of-song override */
 
				if (current_segment.end > 0 && block.ticktime >= current_segment.end) {
 
					if (current_segment.loop) {
 
@@ -743,6 +735,14 @@ static void MidiThreadProc(void *)
 
					next_timeout = 0;
 
					break;
 
				}
 
				/* check that block is not in the future */
 
				REFERENCE_TIME playback_time = current_time - playback_start_time;
 
				if (block.realtime * MIDITIME_TO_REFTIME > playback_time +  3 *_playback.preload_time * MS_TO_REFTIME) {
 
					/* Stop the thread loop until we are at the preload time of the next block. */
 
					next_timeout = Clamp(((int64)block.realtime * MIDITIME_TO_REFTIME - playback_time) / MS_TO_REFTIME - _playback.preload_time, 0, 1000);
 
					DEBUG(driver, 9, "DMusic thread: Next event in %u ms (music %u, ref %lld)", next_timeout, block.realtime * MIDITIME_TO_REFTIME, playback_time);
 
					break;
 
				}
 

	
 
				/* Timestamp of the current block. */
 
				block_time = playback_start_time + block.realtime * MIDITIME_TO_REFTIME;
 
@@ -1232,8 +1232,8 @@ void MusicDriver_DMusic::PlaySong(const 
 

	
 
	if (!_playback.next_file.LoadSong(song)) return;
 

	
 
	_playback.next_segment.start = 0;
 
	_playback.next_segment.end = 0;
 
	_playback.next_segment.start = song.override_start;
 
	_playback.next_segment.end = song.override_end;
 
	_playback.next_segment.loop = false;
 

	
 
	_playback.do_start = true;
src/music/win32_m.cpp
Show inline comments
 
@@ -209,10 +209,6 @@ void CALLBACK TimerCallback(UINT uTimerI
 
	while (_midi.current_block < _midi.current_file.blocks.size()) {
 
		MidiFile::DataBlock &block = _midi.current_file.blocks[_midi.current_block];
 

	
 
		/* check that block is not in the future */
 
		if (block.realtime / 1000 > playback_time) {
 
			break;
 
		}
 
		/* check that block isn't at end-of-song override */
 
		if (_midi.current_segment.end > 0 && block.ticktime >= _midi.current_segment.end) {
 
			if (_midi.current_segment.loop) {
 
@@ -223,6 +219,10 @@ void CALLBACK TimerCallback(UINT uTimerI
 
			}
 
			break;
 
		}
 
		/* check that block is not in the future */
 
		if (block.realtime / 1000 > playback_time) {
 
			break;
 
		}
 

	
 
		byte *data = block.data.Begin();
 
		size_t remaining = block.data.Length();
 
@@ -315,8 +315,8 @@ void MusicDriver_Win32::PlaySong(const M
 
		return;
 
	}
 

	
 
	_midi.next_segment.start = 0;
 
	_midi.next_segment.end = 0;
 
	_midi.next_segment.start = song.override_start;
 
	_midi.next_segment.end = song.override_end;
 
	_midi.next_segment.loop = false;
 

	
 
	DEBUG(driver, 2, "Win32-MIDI: PlaySong: setting flag");
0 comments (0 inline, 0 general)