indexedfilereader_v100.h

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#ifndef INDEXEDFILE_READER_V100_CLASS_HEADER
#define INDEXEDFILE_READER_V100_CLASS_HEADER
 
#include <ifhd/v100/indexedfile_v100.h>
 
namespace ifhd
{
namespace v100
{
 
//*************************************************************************************************
class IndexedFileReaderV100 : public IndexedFileV100
{
    public:
        enum
        {
            flag_none                       = 0x0,
            flag_disable_file_system_cache     = 0x1
        };
 
    protected:
        uint32_t                     _flags;
 
    protected:
        ChunkHeader*               _index_table;
        int                        _index_table_size;
        int64_t                    _end_of_data_marker;
 
    public:
        IndexedFileReaderV100();

        ~IndexedFileReaderV100();

        void attach(FileHeader* file_header, utils5ext::File* file, uint32_t flags=0);

        void detach();

        void reset();

        int64_t seek(int64_t position, int time_format, uint32_t flags=0);

        int64_t seekFlags(uint32_t flags, ChunkHeader** chunk);

        int64_t getCurrentPos(int time_format) const;

        int64_t setCurrentPos(int64_t position, int time_format);

        void queryChunkInfo(ChunkHeader** chunk_info);

        void readChunk(void** data);

        void skipChunk();

        void readNextChunk(ChunkHeader** chunk_info, void** data);

        int64_t getFilePos() const;

        int64_t getChunkCount() const;

        int64_t getIndexCount() const;

        timestamp_t getDuration() const;

        uint32_t getVersionId() const;
 
    protected:
        void initialize();

        void readFileHeader();

        void readFileHeaderExt();

        void readIndexTable();
 
    public:
        int64_t internalGetIndex() const;

        FileHeader* internalGetFileHeader() const;
};
 
} //namespace v100
} // namespace
 
//*************************************************************************************************
#endif // _INDEXEDFILE_READER_V100_CLASS_HEADER_