From 628eea3de4a7f87cd2d14faeb579b306c39e892a Mon Sep 17 00:00:00 2001
From: James Brown <ender@users.sourceforge.net>
Date: Sun, 20 Oct 2002 13:17:43 +0000
Subject: [PATCH] Patch 625904: CD Looping

svn-id: r5199
---
 backends/sdl/sdl-common.cpp | 12 +++++++++---
 scumm/sound.cpp             | 17 +++++++++++++++--
 scumm/sound.h               |  4 ++++
 3 files changed, 28 insertions(+), 5 deletions(-)

diff --git a/backends/sdl/sdl-common.cpp b/backends/sdl/sdl-common.cpp
index 17d2dc8885f..f2e91b5a050 100644
--- a/backends/sdl/sdl-common.cpp
+++ b/backends/sdl/sdl-common.cpp
@@ -825,8 +825,11 @@ void OSystem_SDL_Common::play_cdrom(int track, int num_loops, int start_frame, i
 	cd_num_loops = num_loops;
 	cd_start_frame = start_frame;
 
-	SDL_CDStatus(_cdrom);	
-	SDL_CDPlayTracks(_cdrom, track, start_frame, 0, end_frame);
+	SDL_CDStatus(_cdrom);
+	if (start_frame == 0 && end_frame == 0)
+		SDL_CDPlayTracks(_cdrom, track, 0, 1, 0);
+	else
+		SDL_CDPlayTracks(_cdrom, track, start_frame, 0, end_frame);
 	cd_end_frame = end_frame;
 	cd_stop_time = 0;
 	cd_end_time = SDL_GetTicks() + _cdrom->track[track].length * 1000 / CD_FPS;
@@ -863,7 +866,10 @@ void OSystem_SDL_Common::update_cdrom() {
 		cd_num_loops--;
 
 	if (cd_num_loops != 0) {
-		SDL_CDPlayTracks(_cdrom, cd_track, cd_start_frame, 0, cd_end_frame);
+		if (cd_start_frame == 0 && cd_end_frame == 0)
+			SDL_CDPlayTracks(_cdrom, cd_track, 0, 1, 0);
+		else
+			SDL_CDPlayTracks(_cdrom, cd_track, cd_start_frame, 0, cd_end_frame);
 		cd_end_time = SDL_GetTicks() + _cdrom->track[cd_track].length * 1000 / CD_FPS;
 	}
 }
diff --git a/scumm/sound.cpp b/scumm/sound.cpp
index d5fd792e987..fc5fcca1685 100644
--- a/scumm/sound.cpp
+++ b/scumm/sound.cpp
@@ -1349,6 +1349,10 @@ int Sound::playMP3CDTrack(int track, int num_loops, int start, int delay) {
 		_scumm->_mixer->stop(_mp3_index);		
 	_mp3_index = _scumm->_mixer->playMP3CDTrack(NULL, _mp3_tracks[index], duration);
 	_mp3_cd_playing = true;
+	_mp3_cd_track = track;
+	_mp3_cd_num_loops = num_loops;
+	_mp3_cd_start = start;
+	_mp3_cd_delay = delay;
 	return 0;
 }
 
@@ -1356,6 +1360,10 @@ int Sound::stopMP3CD() {
 	if (_mp3_cd_playing == true) {
 		_scumm->_mixer->stop(_mp3_index);
 		_mp3_cd_playing = false;
+		_mp3_cd_track = 0;
+		_mp3_cd_num_loops = 0;
+		_mp3_cd_start = 0;
+		_mp3_cd_delay = 0;
 		return 0;
 	}
 	return -1;
@@ -1376,8 +1384,13 @@ int Sound::updateMP3CD() {
 		return -1;
 	}
 
-	if (_scumm->_mixer->_channels[_mp3_index]->soundFinished())
-		stopMP3CD();
+	if (_scumm->_mixer->_channels[_mp3_index]->soundFinished()) {
+		if (_mp3_cd_num_loops == -1 || --_mp3_cd_num_loops > 0)
+			playMP3CDTrack(_mp3_cd_track, _mp3_cd_num_loops, _mp3_cd_start, _mp3_cd_delay);
+		else
+			stopMP3CD();
+	}
+
 	return 0;
 }
 #endif
diff --git a/scumm/sound.h b/scumm/sound.h
index faa7c5e9473..2f4ddec5c8c 100644
--- a/scumm/sound.h
+++ b/scumm/sound.h
@@ -78,6 +78,10 @@ enum {
 	long _mp3_size[CACHE_TRACKS];
 	File *_mp3_tracks[CACHE_TRACKS];
 	int _mp3_index;
+	int _mp3_cd_track;
+	int _mp3_cd_start;
+	int _mp3_cd_delay;
+	int _mp3_cd_num_loops;
 	bool _mp3_cd_playing;
 #endif