Move specific decoder classes to separate headers

src/sound/sndfile_decoder.h

@@ -0,0 +1,55 @@
+#ifndef SNDFILE_DECODER_H
+#define SNDFILE_DECODER_H
+
+#include "i_soundinternal.h"
+
+#ifdef HAVE_SNDFILE
+
+#include "sndfile.h"
+
+struct SndFileDecoder : public SoundDecoder
+{
+    virtual void getInfo(int *samplerate, ChannelConfig *chans, SampleType *type);
+
+    virtual size_t read(char *buffer, size_t bytes);
+    virtual std::vector<char> readAll();
+    virtual bool seek(size_t ms_offset);
+    virtual size_t getSampleOffset();
+
+    SndFileDecoder() : SndFile(0), File(0) { }
+    virtual ~SndFileDecoder();
+
+protected:
+    virtual bool open(const char *data, size_t length);
+    virtual bool open(const char *fname, size_t offset, size_t length);
+
+private:
+    SNDFILE *SndFile;
+    SF_INFO SndInfo;
+
+    FILE *File;
+    size_t FileLength;
+    size_t FileOffset;
+    static sf_count_t file_get_filelen(void *user_data);
+    static sf_count_t file_seek(sf_count_t offset, int whence, void *user_data);
+    static sf_count_t file_read(void *ptr, sf_count_t count, void *user_data);
+    static sf_count_t file_write(const void *ptr, sf_count_t count, void *user_data);
+    static sf_count_t file_tell(void *user_data);
+
+    const char *MemData;
+    size_t MemLength;
+    size_t MemPos;
+    static sf_count_t mem_get_filelen(void *user_data);
+    static sf_count_t mem_seek(sf_count_t offset, int whence, void *user_data);
+    static sf_count_t mem_read(void *ptr, sf_count_t count, void *user_data);
+    static sf_count_t mem_write(const void *ptr, sf_count_t count, void *user_data);
+    static sf_count_t mem_tell(void *user_data);
+
+    // Make non-copyable
+    SndFileDecoder(const SndFileDecoder &rhs);
+    SndFileDecoder& operator=(const SndFileDecoder &rhs);
+};
+
+#endif
+
+#endif /* SNDFILE_DECODER_H */