1 files changed, 64 insertions, 0 deletions
diff --git a/streamogg.h b/streamogg.h
new file mode 100644
index 0000000..568e9c2
--- /dev/null
+++ b/streamogg.h
@@ -0,0 +1,64 @@
+/*************************************************************
+ *
+ *    streaming external for PD
+ *
+ * File: streamogg.h
+ *
+ * Description: Declaration of the streamer class for OGG/vorbis
+ *
+ * Author: Thomas Grill (t.grill@gmx.net)
+ *
+ *************************************************************/
+
+#ifndef __STREAMOGG_H
+#define __STREAMOGG_H
+
+#include "stream.h"
+
+extern "C" {
+#include <vorbis/codec.h>
+#include <vorbis/vorbisfile.h>
+}
+
+
+//! Class representing an OGG stream.
+class StreamOGG:
+	public Stream
+{
+public:
+	StreamOGG();
+
+	//! Get named tag of stream
+	virtual std::string getTag(const char *tag) const;
+
+	//! Get number of stream channels
+	virtual int getChannels() const { return ov_inf?ov_inf->channels:0; }
+	//! Get stream sample rate
+	virtual float getSamplerate() const { return ov_inf?(float)ov_inf->rate:0; }
+	//! Get nominal stream bit rate
+	virtual float getBitrate() const { return ov_inf?(float)ov_inf->bitrate_nominal:0; }
+
+protected:
+
+	//! Reset encoder state (disconnect and clear FIFOs)
+	virtual void Reset();
+
+	//! Init decoder
+	virtual bool WorkInit();
+	//! Decode data to channel buffers
+	virtual int DataRead(int frames);
+
+	// OGG/Vorbis data
+	OggVorbis_File ov_file;
+	ov_callbacks callbacks;
+	vorbis_info *ov_inf;
+    vorbis_comment *ov_comm;
+
+	// OGG callbacks
+	static size_t read_func(void *ptr, size_t size, size_t nmemb, void *datasource);
+	static int close_func(void *datasource);
+	static int seek_func(void *datasource, ogg_int64_t offset, int whence) { return -1; }
+	static long tell_func(void *datasource) { return -1; }
+};
+
+#endif // __STREAMOGG_H