5 files changed, 72 insertions, 9 deletions

diff --git a/image/codecs/codec.cpp b/image/codecs/codec.cpp
index 64acf3f169..6b0c7ebcfb 100644
--- a/image/codecs/codec.cpp
+++ b/image/codecs/codec.cpp
@@ -61,7 +61,7 @@ Codec *createBitmapCodec(uint32 tag, int width, int height, int bitsPerPixel) {
 #ifdef IMAGE_CODECS_TRUEMOTION1_H
 	case MKTAG('D','U','C','K'):
 	case MKTAG('d','u','c','k'):
-		return new TrueMotion1Decoder(width, height);
+		return new TrueMotion1Decoder();
 #endif
 #ifdef USE_MPEG2
 	case MKTAG('m','p','g','2'):
diff --git a/image/codecs/truemotion1.cpp b/image/codecs/truemotion1.cpp
index 741b9d51eb..e60ec6c72e 100644
--- a/image/codecs/truemotion1.cpp
+++ b/image/codecs/truemotion1.cpp
@@ -89,11 +89,8 @@ static const CompressionType compressionTypes[17] = {
 	{ ALGO_RGB24H, 2, 2, BLOCK_2x2 }
 };
 
-TrueMotion1Decoder::TrueMotion1Decoder(uint16 width, uint16 height) {
-	_surface = new Graphics::Surface();
-	_surface->create(width, height, getPixelFormat());
-	_surface->fillRect(Common::Rect(width, height), getPixelFormat().RGBToColor(0, 0, 0));
-
+TrueMotion1Decoder::TrueMotion1Decoder() {
+	_surface = 0;
 	_vertPred = 0;
 
 	_buf = _mbChangeBits = _indexStream = 0;
@@ -101,8 +98,11 @@ TrueMotion1Decoder::TrueMotion1Decoder(uint16 width, uint16 height) {
 }
 
 TrueMotion1Decoder::~TrueMotion1Decoder() {
-	_surface->free();
-	delete _surface;
+	if (_surface) {
+		_surface->free();
+		delete _surface;
+	}
+
 	delete[] _vertPred;
 }
 
@@ -194,6 +194,11 @@ void TrueMotion1Decoder::decodeHeader(Common::SeekableReadStream &stream) {
 		_vertPred = new uint32[_header.xsize];
 	}
 
+	if (!_surface) {
+		_surface = new Graphics::Surface();
+		_surface->create(_header.xsize, _header.ysize, getPixelFormat());
+	}
+
 	// There is 1 change bit per 4 pixels, so each change byte represents
 	// 32 pixels; divide width by 4 to obtain the number of change bits and
 	// then round up to the nearest byte.
diff --git a/image/codecs/truemotion1.h b/image/codecs/truemotion1.h
index bbbcd6d6be..51daf607d2 100644
--- a/image/codecs/truemotion1.h
+++ b/image/codecs/truemotion1.h
@@ -39,7 +39,7 @@ namespace Image {
  */
 class TrueMotion1Decoder : public Codec {
 public:
-	TrueMotion1Decoder(uint16 width, uint16 height);
+	TrueMotion1Decoder();
 	~TrueMotion1Decoder();
 
 	const Graphics::Surface *decodeFrame(Common::SeekableReadStream &stream);
diff --git a/video/avi_decoder.cpp b/video/avi_decoder.cpp
index 9b196fefc9..3c1c907097 100644
--- a/video/avi_decoder.cpp
+++ b/video/avi_decoder.cpp
@@ -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);