5 files changed, 8 insertions, 6 deletions
diff --git a/audio/decoders/adpcm.cpp b/audio/decoders/adpcm.cpp
index fe5eec5dcc..fd97d5d109 100644
--- a/audio/decoders/adpcm.cpp
+++ b/audio/decoders/adpcm.cpp
@@ -433,7 +433,7 @@ int16 Ima_ADPCMStream::decodeIMA(byte code, int channel) {
 	return samp;
 }
 
-RewindableAudioStream *makeADPCMStream(Common::SeekableReadStream *stream, DisposeAfterUse::Flag disposeAfterUse, uint32 size, ADPCMType type, int rate, int channels, uint32 blockAlign) {
+SeekableAudioStream *makeADPCMStream(Common::SeekableReadStream *stream, DisposeAfterUse::Flag disposeAfterUse, uint32 size, ADPCMType type, int rate, int channels, uint32 blockAlign) {
 	// If size is 0, report the entire size of the stream
 	if (!size)
 		size = stream->size();
diff --git a/audio/decoders/adpcm.h b/audio/decoders/adpcm.h
index 650bc341b3..353fd3b71d 100644
--- a/audio/decoders/adpcm.h
+++ b/audio/decoders/adpcm.h
@@ -45,7 +45,7 @@ class SeekableReadStream;
 namespace Audio {
 
 class PacketizedAudioStream;
-class RewindableAudioStream;
+class SeekableAudioStream;
 
 // There are several types of ADPCM encoding, only some are supported here
 // For all the different encodings, refer to:
@@ -74,7 +74,7 @@ enum ADPCMType {
  * @param blockAlign        block alignment ???
  * @return   a new RewindableAudioStream, or NULL, if an error occurred
  */
-RewindableAudioStream *makeADPCMStream(
+SeekableAudioStream *makeADPCMStream(
     Common::SeekableReadStream *stream,
     DisposeAfterUse::Flag disposeAfterUse,
     uint32 size, ADPCMType type,
diff --git a/audio/decoders/adpcm_intern.h b/audio/decoders/adpcm_intern.h
index 92be704cca..3a2af91c90 100644
--- a/audio/decoders/adpcm_intern.h
+++ b/audio/decoders/adpcm_intern.h
@@ -39,7 +39,7 @@
 
 namespace Audio {
 
-class ADPCMStream : public RewindableAudioStream {
+class ADPCMStream : public SeekableAudioStream {
 protected:
 	Common::DisposablePtr<Common::SeekableReadStream> _stream;
 	int32 _startpos;
@@ -67,6 +67,8 @@ public:
 	virtual int getRate() const { return _rate; }
 
 	virtual bool rewind();
+	virtual bool seek(const Timestamp &where) { return false; }
+	virtual Timestamp getLength() const { return -1; }
 
 	/**
 	 * This table is used by some ADPCM variants (IMA and OKI) to adjust the
diff --git a/audio/decoders/wave.cpp b/audio/decoders/wave.cpp
index adee749b37..cdd6412aa8 100644
--- a/audio/decoders/wave.cpp
+++ b/audio/decoders/wave.cpp
@@ -158,7 +158,7 @@ bool loadWAVFromStream(Common::SeekableReadStream &stream, int &size, int &rate,
 	return true;
 }
 
-RewindableAudioStream *makeWAVStream(Common::SeekableReadStream *stream, DisposeAfterUse::Flag disposeAfterUse) {
+SeekableAudioStream *makeWAVStream(Common::SeekableReadStream *stream, DisposeAfterUse::Flag disposeAfterUse) {
 	int size, rate;
 	byte flags;
 	uint16 type;
diff --git a/audio/decoders/wave.h b/audio/decoders/wave.h
index 6bc9f72101..f5b7fb4d2c 100644
--- a/audio/decoders/wave.h
+++ b/audio/decoders/wave.h
@@ -84,7 +84,7 @@ extern bool loadWAVFromStream(
  * @param disposeAfterUse	whether to delete the stream after use
  * @return	a new RewindableAudioStream, or NULL, if an error occurred
  */
-RewindableAudioStream *makeWAVStream(
+SeekableAudioStream *makeWAVStream(
 	Common::SeekableReadStream *stream,
 	DisposeAfterUse::Flag disposeAfterUse);