2 files changed, 59 insertions, 1 deletions

diff --git a/video/avi_decoder.cpp b/video/avi_decoder.cpp
index 9b196fefc9..68d6cb6cec 100644
--- a/video/avi_decoder.cpp
+++ b/video/avi_decoder.cpp
@@ -183,7 +183,7 @@ void AVIDecoder::handleList(uint32 listSize) {
 		_decodedHeader = true;
 		break;
 	case ID_INFO: // Metadata
-	case ID_PRMI: // Unknown metadata, should be safe to ignore
+	case ID_PRMI: // Adobe Premiere metadata, safe to ignore
 		// Ignore metadata
 		_fileStream->skip(listSize);
 		return;
@@ -322,6 +322,9 @@ bool AVIDecoder::loadStream(Common::SeekableReadStream *stream) {
 	// Seek back to the start of the MOVI list
 	_fileStream->seek(_movieListStart);
 
+	// Check if this is a special Duck Truemotion video
+	checkTruemotion1();
+
 	return true;
 }
 
@@ -658,6 +661,48 @@ void AVIDecoder::forceVideoEnd() {
 			((AVIVideoTrack *)*it)->forceTrackEnd();
 }
 
+void AVIDecoder::checkTruemotion1() {
+	AVIVideoTrack *track = 0;
+
+	for (TrackListIterator it = getTrackListBegin(); it != getTrackListEnd(); it++) {
+		if ((*it)->getTrackType() == Track::kTrackTypeVideo) {
+			if (track) {
+				// Multiple tracks; isn't going to be truemotion 1
+				return;
+			}
+
+			track = (AVIVideoTrack *)*it;
+		}
+	}
+
+	// No track found?
+	if (!track)
+		return;
+
+	// Ignore non-truemotion tracks
+	if (!track->isTruemotion1())
+		return;
+
+	// Search for a non-empty frame
+	const Graphics::Surface *frame = 0;
+	for (int i = 0; i < 10 && !frame; i++)
+		frame = decodeNextFrame();
+
+	if (!frame) {
+		// Probably shouldn't happen
+		rewind();
+		return;
+	}
+
+	// Fill in the width/height based on the frame's width/height
+	_header.width = frame->w;
+	_header.height = frame->h;
+	track->forceDimensions(frame->w, frame->h);
+
+	// Rewind us back to the beginning
+	rewind();
+}
+
 VideoDecoder::AudioTrack *AVIDecoder::getAudioTrack(int index) {
 	// AVI audio track indexes are relative to the first track
 	Track *track = getTrack(index);
@@ -732,6 +777,15 @@ void AVIDecoder::AVIVideoTrack::useInitialPalette() {
 	}
 }
 
+bool AVIDecoder::AVIVideoTrack::isTruemotion1() const {
+	return _bmInfo.compression == MKTAG('D', 'U', 'C', 'K') || _bmInfo.compression == MKTAG('d', 'u', 'c', 'k');
+}
+
+void AVIDecoder::AVIVideoTrack::forceDimensions(uint16 width, uint16 height) {
+	_bmInfo.width = width;
+	_bmInfo.height = height;
+}
+
 bool AVIDecoder::AVIVideoTrack::rewind() {
 	_curFrame = -1;
 
diff --git a/video/avi_decoder.h b/video/avi_decoder.h
index 2f7b267d36..28d87bc3b7 100644
--- a/video/avi_decoder.h
+++ b/video/avi_decoder.h
@@ -185,6 +185,9 @@ protected:
 		void loadPaletteFromChunk(Common::SeekableReadStream *chunk);
 		void useInitialPalette();
 
+		bool isTruemotion1() const;
+		void forceDimensions(uint16 width, uint16 height);
+
 		bool isRewindable() const { return true; }
 		bool rewind();
 
@@ -257,6 +260,7 @@ protected:
 	uint16 getStreamType(uint32 tag) const { return tag & 0xFFFF; }
 	byte getStreamIndex(uint32 tag) const;
 	void forceVideoEnd();
+	void checkTruemotion1();
 
 public:
 	virtual AVIAudioTrack *createAudioTrack(AVIStreamHeader sHeader, PCMWaveFormat wvInfo);