7cd3a2490b
BMediaFiles and about BMediaTracks in BMessages. As an example, one can get chapter meta-data or the language name of an audio-track. git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@38685 a95241bf-73f2-0310-859d-f6bbb57e9c96
83 lines
1.9 KiB
C++
83 lines
1.9 KiB
C++
#ifndef _READER_PLUGIN_H
|
|
#define _READER_PLUGIN_H
|
|
|
|
#include <MediaTrack.h>
|
|
#include "MediaPlugin.h"
|
|
|
|
namespace BPrivate { namespace media {
|
|
|
|
class PluginManager;
|
|
|
|
enum {
|
|
B_MEDIA_SEEK_TO_TIME = 0x10000,
|
|
B_MEDIA_SEEK_TO_FRAME = 0x20000
|
|
};
|
|
|
|
class Reader {
|
|
public:
|
|
Reader();
|
|
virtual ~Reader();
|
|
|
|
virtual const char* Copyright() = 0;
|
|
|
|
virtual status_t Sniff(int32* streamCount) = 0;
|
|
|
|
virtual void GetFileFormatInfo(media_file_format* mff) = 0;
|
|
virtual status_t GetMetaData(BMessage* _data);
|
|
|
|
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,
|
|
const void** infoBuffer,
|
|
size_t* infoSize) = 0;
|
|
|
|
virtual status_t Seek(void* cookie, uint32 flags, int64* frame,
|
|
bigtime_t* time);
|
|
virtual status_t FindKeyFrame(void* cookie, uint32 flags,
|
|
int64* frame, bigtime_t* time);
|
|
|
|
virtual status_t GetNextChunk(void* cookie,
|
|
const void** chunkBuffer, size_t* chunkSize,
|
|
media_header* mediaHeader) = 0;
|
|
|
|
virtual status_t GetStreamMetaData(void* cookie,
|
|
BMessage* _data);
|
|
|
|
BDataIO* Source() const;
|
|
|
|
virtual status_t Perform(perform_code code, void* data);
|
|
|
|
private:
|
|
virtual void _ReservedReader1();
|
|
virtual void _ReservedReader2();
|
|
virtual void _ReservedReader3();
|
|
virtual void _ReservedReader4();
|
|
virtual void _ReservedReader5();
|
|
|
|
public: // XXX for test programs only
|
|
void Setup(BDataIO* source);
|
|
|
|
BDataIO* fSource;
|
|
|
|
// needed for plug-in reference count management
|
|
friend class PluginManager;
|
|
MediaPlugin* fMediaPlugin;
|
|
|
|
uint32 fReserved[5];
|
|
};
|
|
|
|
|
|
class ReaderPlugin : public virtual MediaPlugin {
|
|
public:
|
|
virtual Reader* NewReader() = 0;
|
|
};
|
|
|
|
} } // namespace BPrivate::media
|
|
|
|
using namespace BPrivate::media;
|
|
|
|
#endif // _READER_PLUGIN_H
|