2 files changed, 54 insertions, 0 deletions
diff --git a/video/coktel_decoder.cpp b/video/coktel_decoder.cpp
index be36874db4..0c7ade1b8a 100644
--- a/video/coktel_decoder.cpp
+++ b/video/coktel_decoder.cpp
@@ -646,6 +646,21 @@ PreIMDDecoder::~PreIMDDecoder() {
 	close();
 }
 
+bool PreIMDDecoder::reloadStream(Common::SeekableReadStream *stream) {
+	if (!_stream)
+		return false;
+
+	if (!stream->seek(_stream->pos())) {
+		close();
+		return false;
+	}
+
+	delete _stream;
+	_stream = stream;
+
+	return true;
+}
+
 bool PreIMDDecoder::seek(int32 frame, int whence, bool restart) {
 	if (!evaluateSeekFrame(frame, whence))
 		return false;
@@ -840,6 +855,21 @@ IMDDecoder::~IMDDecoder() {
 	close();
 }
 
+bool IMDDecoder::reloadStream(Common::SeekableReadStream *stream) {
+	if (!_stream)
+		return false;
+
+	if (!stream->seek(_stream->pos())) {
+		close();
+		return false;
+	}
+
+	delete _stream;
+	_stream = stream;
+
+	return true;
+}
+
 bool IMDDecoder::seek(int32 frame, int whence, bool restart) {
 	if (!evaluateSeekFrame(frame, whence))
 		return false;
@@ -1536,6 +1566,21 @@ VMDDecoder::~VMDDecoder() {
 	close();
 }
 
+bool VMDDecoder::reloadStream(Common::SeekableReadStream *stream) {
+	if (!_stream)
+		return false;
+
+	if (!stream->seek(_stream->pos())) {
+		close();
+		return false;
+	}
+
+	delete _stream;
+	_stream = stream;
+
+	return true;
+}
+
 bool VMDDecoder::seek(int32 frame, int whence, bool restart) {
 	if (!evaluateSeekFrame(frame, whence))
 		return false;
diff --git a/video/coktel_decoder.h b/video/coktel_decoder.h
index 68696d5ff3..c88d982191 100644
--- a/video/coktel_decoder.h
+++ b/video/coktel_decoder.h
@@ -79,6 +79,9 @@ public:
 			Audio::Mixer::SoundType soundType = Audio::Mixer::kPlainSoundType);
 	~CoktelDecoder();
 
+	/** Replace the current video stream with this identical one. */
+	virtual bool reloadStream(Common::SeekableReadStream *stream) = 0;
+
 	virtual bool seek(int32 frame, int whence = SEEK_SET, bool restart = false) = 0;
 
 	/** Draw directly onto the specified video memory. */
@@ -237,6 +240,8 @@ public:
 			Audio::Mixer::SoundType soundType = Audio::Mixer::kPlainSoundType);
 	~PreIMDDecoder();
 
+	bool reloadStream(Common::SeekableReadStream *stream);
+
 	bool seek(int32 frame, int whence = SEEK_SET, bool restart = false);
 
 
@@ -268,6 +273,8 @@ public:
 	IMDDecoder(Audio::Mixer *mixer, Audio::Mixer::SoundType soundType = Audio::Mixer::kPlainSoundType);
 	~IMDDecoder();
 
+	bool reloadStream(Common::SeekableReadStream *stream);
+
 	bool seek(int32 frame, int whence = SEEK_SET, bool restart = false);
 
 	void setXY(uint16 x, uint16 y);
@@ -364,6 +371,8 @@ public:
 	VMDDecoder(Audio::Mixer *mixer, Audio::Mixer::SoundType soundType = Audio::Mixer::kPlainSoundType);
 	~VMDDecoder();
 
+	bool reloadStream(Common::SeekableReadStream *stream);
+
 	bool seek(int32 frame, int whence = SEEK_SET, bool restart = false);
 
 	void setXY(uint16 x, uint16 y);