X-Git-Url: https://git.cweiske.de/enigma2.git/blobdiff_plain/81b7cc6b1815ec6f0f0c42d6a826d56c8b35033b..10f779bd487379e0a9aec80e586c562e2ac71273:/lib/base/rawfile.h diff --git a/lib/base/rawfile.h b/lib/base/rawfile.h index bb39dc6e..7b736a33 100644 --- a/lib/base/rawfile.h +++ b/lib/base/rawfile.h @@ -2,39 +2,9 @@ #define __lib_base_rawfile_h #include -#include +#include -class iDataSource: public iObject -{ -public: - virtual off_t lseek(off_t offset, int whence)=0; - virtual ssize_t read(void *buf, size_t count)=0; /* NOTE: you must be able to handle short reads! */ - virtual off_t length()=0; - virtual off_t position()=0; - virtual int valid()=0; - virtual eSingleLock &getLock()=0; - virtual bool is_shared()=0; -}; - -class iDataSourcePositionRestorer -{ - ePtr &m_source; - off_t m_position; -public: - iDataSourcePositionRestorer(ePtr &source) - :m_source(source) - { - if (m_source->is_shared()) - m_position = m_source->position(); - } - ~iDataSourcePositionRestorer() - { - if (m_source->is_shared()) - m_source->lseek(m_position, SEEK_SET); - } -}; - -class eRawFile: public iDataSource +class eRawFile: public iTsSource { DECLARE_REF(eRawFile); eSingleLock m_lock; @@ -43,14 +13,13 @@ public: ~eRawFile(); int open(const char *filename, int cached = 0); void setfd(int fd); - off_t lseek(off_t offset, int whence); int close(); - ssize_t read(void *buf, size_t count); /* NOTE: you must be able to handle short reads! */ + + // iTsSource + off_t lseek(off_t offset, int whence); + ssize_t read(off_t offset, void *buf, size_t count); off_t length(); - off_t position(); int valid(); - eSingleLock &getLock(); - bool is_shared() { return ref.count > 1; } private: int m_fd; /* for uncached */ FILE *m_file; /* for cached */ @@ -61,6 +30,8 @@ private: void scan(); int m_current_file; int switchOffset(off_t off); + + off_t lseek_internal(off_t offset, int whence); FILE *openFileCached(int nr); int openFileUncached(int nr); };