1 files changed, 129 insertions, 0 deletions
diff --git a/src/libs/sound/decoders/decoder.h b/src/libs/sound/decoders/decoder.h
new file mode 100644
index 0000000..2d6983c
--- /dev/null
+++ b/src/libs/sound/decoders/decoder.h
@@ -0,0 +1,129 @@
+/*
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+/* Sound file decoder for .wav, .mod, .ogg
+ * API is heavily influenced by SDL_sound.
+ */
+
+#ifndef DECODER_H
+#define DECODER_H
+
+#include "port.h"
+#include "types.h"
+#include "libs/uio.h"
+
+#ifndef OVCODEC_NONE
+#	ifdef _MSC_VER
+#		pragma comment (lib, "vorbisfile.lib")
+#	endif  /* _MSC_VER */
+#endif  /* OVCODEC_NONE */
+
+typedef struct tfb_decoderformats
+{
+	bool big_endian;
+	bool want_big_endian;
+	uint32 mono8;
+	uint32 stereo8;
+	uint32 mono16;
+	uint32 stereo16;
+} TFB_DecoderFormats;
+
+// forward-declare
+typedef struct tfb_sounddecoder TFB_SoundDecoder;
+
+#define THIS_PTR TFB_SoundDecoder*
+
+typedef struct tfb_sounddecoderfunc
+{
+	const char* (* GetName) (void);
+	bool (* InitModule) (int flags, const TFB_DecoderFormats*);
+	void (* TermModule) (void);
+	uint32 (* GetStructSize) (void);
+	int (* GetError) (THIS_PTR);
+	bool (* Init) (THIS_PTR);
+	void (* Term) (THIS_PTR);
+	bool (* Open) (THIS_PTR, uio_DirHandle *dir, const char *filename);
+	void (* Close) (THIS_PTR);
+	int (* Decode) (THIS_PTR, void* buf, sint32 bufsize);
+			// returns <0 on error, ==0 when no more data, >0 bytes returned
+	uint32 (* Seek) (THIS_PTR, uint32 pcm_pos);
+			// returns the pcm position set
+	uint32 (* GetFrame) (THIS_PTR);
+
+} TFB_SoundDecoderFuncs;
+
+#undef THIS_PTR
+
+struct tfb_sounddecoder
+{
+	// decoder virtual funcs - R/O
+	const TFB_SoundDecoderFuncs *funcs;
+
+	// public R/O, set by decoder
+	uint32 format;
+	uint32 frequency;
+	float length; // total length in seconds
+	bool is_null;
+	bool need_swap;
+
+	// public R/O, set by wrapper
+	void *buffer;
+	uint32 buffer_size;
+	sint32 error;
+	uint32 bytes_per_samp;
+
+	// public R/W
+	bool looping;
+
+	// semi-private
+	uio_DirHandle *dir;
+	char *filename;
+	uint32 pos;
+	uint32 start_sample;
+	uint32 end_sample;
+
+};
+
+// return values
+enum
+{
+	SOUNDDECODER_OK,
+	SOUNDDECODER_ERROR,
+	SOUNDDECODER_EOF,
+};
+
+typedef struct TFB_RegSoundDecoder TFB_RegSoundDecoder;
+
+TFB_RegSoundDecoder* SoundDecoder_Register (const char* fileext,
+		TFB_SoundDecoderFuncs* decvtbl);
+void SoundDecoder_Unregister (TFB_RegSoundDecoder* regdec);
+const TFB_SoundDecoderFuncs* SoundDecoder_Lookup (const char* fileext);
+
+void SoundDecoder_SwapWords (uint16* data, uint32 size);
+sint32 SoundDecoder_Init (int flags, TFB_DecoderFormats* formats);
+void SoundDecoder_Uninit (void);
+TFB_SoundDecoder* SoundDecoder_Load (uio_DirHandle *dir,
+		char *filename, uint32 buffer_size, uint32 startTime, sint32 runTime);
+uint32 SoundDecoder_Decode (TFB_SoundDecoder *decoder);
+uint32 SoundDecoder_DecodeAll (TFB_SoundDecoder *decoder);
+float SoundDecoder_GetTime (TFB_SoundDecoder *decoder);
+uint32 SoundDecoder_GetFrame (TFB_SoundDecoder *decoder);
+void SoundDecoder_Seek (TFB_SoundDecoder *decoder, uint32 msecs);
+void SoundDecoder_Rewind (TFB_SoundDecoder *decoder);
+void SoundDecoder_Free (TFB_SoundDecoder *decoder);
+const char* SoundDecoder_GetName (TFB_SoundDecoder *decoder);
+
+#endif