From fb237cd7aedf094621db54249fc41282a90d57ca Mon Sep 17 00:00:00 2001
From: Martin Kiewitz
Date: Sun, 27 Dec 2009 12:33:47 +0000
Subject: SCI/newmusic: now playing sample data for sci0 games (this also fixes
 sq3 amiga freezing during pot exit)

svn-id: r46631
---
 engines/sci/resource.cpp  | 16 +++++++++++++++-
 engines/sci/resource.h    |  4 +++-
 engines/sci/sfx/music.cpp |  5 +----
 3 files changed, 19 insertions(+), 6 deletions(-)

diff --git a/engines/sci/resource.cpp b/engines/sci/resource.cpp
index 896947dc35..bdc8b3b52d 100644
--- a/engines/sci/resource.cpp
+++ b/engines/sci/resource.cpp
@@ -1858,6 +1858,12 @@ SoundResource::SoundResource(uint32 resNumber, ResourceManager *resMan, SciVersi
 			sampleChannel->data = data;
 			sampleChannel->size = channel->size - (data - channel->data);
 			channel->size = data - channel->data;
+			// Read sample header information
+			//Offset 14 in the header contains the frequency as a short integer. Offset 32 contains the sample length, also as a short integer.
+			_tracks->digitalSampleRate = READ_LE_UINT16(sampleChannel->data + 14);
+			_tracks->digitalSampleSize = READ_LE_UINT16(sampleChannel->data + 32);
+			sampleChannel->data += 44; // Skip over header
+			sampleChannel->size -= 44;
 		}
 		break;
 
@@ -1891,6 +1897,8 @@ SoundResource::SoundResource(uint32 resNumber, ResourceManager *resMan, SciVersi
 			_tracks[trackNr].channels = new Channel[_tracks[trackNr].channelCount];
 			if (_tracks[trackNr].type != 0xF0) { // Digital track marker - not supported currently
 				_tracks[trackNr].digitalChannelNr = -1; // No digital sound associated
+				_tracks[trackNr].digitalSampleRate = 0;
+				_tracks[trackNr].digitalSampleSize = 0;
 				for (channelNr = 0; channelNr < _tracks[trackNr].channelCount; channelNr++) {
 					channel = &_tracks[trackNr].channels[channelNr];
 					channel->unk = READ_LE_UINT16(data);
@@ -1899,8 +1907,14 @@ SoundResource::SoundResource(uint32 resNumber, ResourceManager *resMan, SciVersi
 					channel->number = *(channel->data - 2);
 					channel->poly = *(channel->data - 1);
 					channel->time = channel->prev = 0;
-					if (channel->number == 0xFE) // Digital channel
+					if (channel->number == 0xFE) { // Digital channel
 						_tracks[trackNr].digitalChannelNr = channelNr;
+						_tracks[trackNr].digitalSampleRate = READ_LE_UINT16(channel->data);
+						_tracks[trackNr].digitalSampleSize = READ_LE_UINT16(channel->data + 2);
+						assert(READ_LE_UINT16(channel->data + 4) == 0); // Possibly a compression flag
+						channel->data += 8; // Skip over header
+						channel->size -= 8;
+					}
 					data += 6;
 				}
 			} else {
diff --git a/engines/sci/resource.h b/engines/sci/resource.h
index a3f6c35213..5a652a8466 100644
--- a/engines/sci/resource.h
+++ b/engines/sci/resource.h
@@ -450,9 +450,11 @@ public:
 
 	struct Track {
 		TrackType type;
-		int16 digitalChannelNr;
 		byte channelCount;
 		Channel *channels;
+		int16 digitalChannelNr;
+		int digitalSampleRate;
+		uint32 digitalSampleSize;
 	};
 public:
 	SoundResource(uint32 resNumber, ResourceManager *resMan, SciVersion soundVersion);
diff --git a/engines/sci/sfx/music.cpp b/engines/sci/sfx/music.cpp
index eb64cdee1f..4eff06bcec 100644
--- a/engines/sci/sfx/music.cpp
+++ b/engines/sci/sfx/music.cpp
@@ -311,13 +311,10 @@ void SciMusic::soundInitSnd(MusicEntry *pSnd) {
 		// play digital sample
 		if (track->digitalChannelNr != -1) {
 			byte *channelData = track->channels[track->digitalChannelNr].data;
-			int rate = READ_LE_UINT16(channelData);
-			uint32 size = READ_LE_UINT16(channelData + 2);
-			assert(READ_LE_UINT16(channelData + 4) == 0);	// Possibly a compression flag
 			//assert(READ_LE_UINT16(channelData + 6) == size);
 			if (pSnd->pStreamAud)
 				delete pSnd->pStreamAud;
-			pSnd->pStreamAud = Audio::makeLinearInputStream(channelData + 8, size, rate,
+			pSnd->pStreamAud = Audio::makeLinearInputStream(channelData, track->digitalSampleSize, track->digitalSampleRate,
 					Audio::Mixer::FLAG_UNSIGNED, 0, 0);
 			pSnd->hCurrentAud = Audio::SoundHandle();
 		} else {
-- 
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