WriterPlugin.h revision 218a8c03
1#ifndef _WRITER_PLUGIN_H
2#define _WRITER_PLUGIN_H
3
4#include <MediaTrack.h>
5#include "MediaPlugin.h"
6
7namespace BPrivate { namespace media {
8
9class PluginManager;
10
11class Writer {
12public:
13								Writer();
14	virtual						~Writer();
15
16	virtual	status_t			Init(const media_file_format* fileFormat) = 0;
17
18	virtual	status_t			SetCopyright(const char* copyright) = 0;
19	virtual	status_t			CommitHeader() = 0;
20	virtual	status_t			Flush() = 0;
21	virtual	status_t			Close() = 0;
22
23	virtual	status_t			AllocateCookie(void** cookie,
24									media_format* format,
25									const media_codec_info* codecInfo) = 0;
26	virtual	status_t			FreeCookie(void* cookie) = 0;
27
28	virtual	status_t			SetCopyright(void* cookie,
29									const char* copyright) = 0;
30
31	virtual	status_t			AddTrackInfo(void* cookie, uint32 code,
32									const void* data, size_t size,
33									uint32 flags = 0) = 0;
34
35	virtual	status_t			WriteChunk(void* cookie,
36									const void* chunkBuffer, size_t chunkSize,
37									media_encode_info* encodeInfo) = 0;
38
39			BDataIO*			Target() const;
40
41	virtual status_t			Perform(perform_code code, void* data);
42
43private:
44	virtual void				_ReservedWriter1();
45	virtual void				_ReservedWriter2();
46	virtual void				_ReservedWriter3();
47	virtual void				_ReservedWriter4();
48	virtual void				_ReservedWriter5();
49
50public: // XXX for test programs only
51			void				Setup(BDataIO* target);
52
53			BDataIO*			fTarget;
54
55	// needed for plug-in reference count management
56	friend class PluginManager;
57			MediaPlugin*		fMediaPlugin;
58
59			uint32				fReserved[5];
60};
61
62
63class WriterPlugin : public virtual MediaPlugin {
64public:
65	virtual	Writer*				NewWriter() = 0;
66	virtual	status_t			GetSupportedFileFormats(
67									const media_file_format** _fileFormats,
68									size_t* _count) = 0;
69
70};
71
72} } // namespace BPrivate::media
73
74using namespace BPrivate::media;
75
76#endif // _WRITER_PLUGIN_H
77