Remove now unused Sound_Decoder::rewind()

apps/openmw/mwsound/ffmpeg_decoder.cpp

@@ -389,16 +389,6 @@ void FFmpeg_Decoder::readAll(std::vector<char> &output)
     }
 }
 
-void FFmpeg_Decoder::rewind()
-{
-    int stream_idx = mStream - mFormatCtx->streams;
-    if(av_seek_frame(mFormatCtx, stream_idx, 0, 0) < 0)
-        fail("Failed to seek in audio stream");
-    av_free_packet(&mPacket);
-    mFrameSize = mFramePos = 0;
-    mNextPts = 0.0;
-}
-
 size_t FFmpeg_Decoder::getSampleOffset()
 {
     int delay = (mFrameSize-mFramePos) / av_get_channel_layout_nb_channels(mOutputChannelLayout) /

apps/openmw/mwsound/ffmpeg_decoder.hpp

@@ -74,7 +74,6 @@ namespace MWSound
 
         virtual size_t read(char *buffer, size_t bytes);
         virtual void readAll(std::vector<char> &output);
-        virtual void rewind();
         virtual size_t getSampleOffset();
 
         void fail(const std::string &msg);

apps/openmw/mwsound/movieaudiofactory.cpp

@@ -27,7 +27,6 @@ namespace MWSound
 
         virtual void open(const std::string &fname);
         virtual void close();
-        virtual void rewind();
         virtual std::string getName();
         virtual void getInfo(int *samplerate, ChannelConfig *chans, SampleType *type);
         virtual size_t read(char *buffer, size_t bytes);
@@ -102,7 +101,6 @@ namespace MWSound
         throw std::runtime_error("unimplemented");
     }
     void MWSoundDecoderBridge::close() {}
-    void MWSoundDecoderBridge::rewind() {}
 
     std::string MWSoundDecoderBridge::getName()
     {

apps/openmw/mwsound/sound_decoder.hpp

@@ -42,7 +42,6 @@ namespace MWSound
 
         virtual size_t read(char *buffer, size_t bytes) = 0;
         virtual void readAll(std::vector<char> &output);
-        virtual void rewind() = 0;
         virtual size_t getSampleOffset() = 0;
 
         Sound_Decoder(const VFS::Manager* resourceMgr) : mResourceMgr(resourceMgr)