start of media kit codec plugin API

git-svn-id: file:///srv/svn/repos/haiku/trunk/current@5078 a95241bf-73f2-0310-859d-f6bbb57e9c96
2003-10-17 23:55:19 +00:00
parent b912581792
commit ca16f5cb03
17 changed files with 569 additions and 1 deletions
@@ -0,0 +1,50 @@
+#include <MediaTrack.h>
+#include "MediaPlugin.h"
+
+namespace BPrivate { namespace media {
+
+class Reader
+{
+public:
+						Reader();
+	virtual				~Reader();
+	
+	virtual const char *Copyright() = 0;
+	
+	virtual status_t	Sniff(int32 *streamCount) = 0;
+
+	virtual status_t	AllocateCookie(int32 streamNumber, void **cookie) = 0;
+	virtual	status_t	FreeCookie(void *cookie) = 0;
+	
+	virtual status_t	GetStreamInfo(void *cookie, int64 *frameCount, bigtime_t *duration,
+									  media_format *format, void **infoBuffer, int32 *infoSize) = 0;
+
+	virtual status_t	Seek(void *cookie,
+							 media_seek_type seekTo,
+							 int64 *frame, bigtime_t *time) = 0;
+
+	virtual status_t	GetNextChunk(void *cookie,
+									 void **chunkBuffer, int32 *chunkSize,
+									 media_header *mediaHeader) = 0;
+	
+	BDataIO *			Source();
+	
+private:
+	void		Setup(BDataIO *source);
+
+	BDataIO * fSource;
+};
+
+
+class ReaderPlugin : public MediaPlugin
+{
+public:
+	virtual Reader *NewReader() = 0;
+};
+
+MediaPlugin *instantiate_plugin();
+
+} } // namespace BPrivate::media
+
+using namespace BPrivate::media;
+