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< title > DASH Media Packaging SDK: shaka::media::IoCache Class Reference< / title >
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< li class = "navelem" > < a class = "el" href = "../../d8/daf/namespaceshaka.html" > shaka< / a > < / li > < li class = "navelem" > < b > media< / b > < / li > < li class = "navelem" > < a class = "el" href = "../../dd/d7c/classshaka_1_1media_1_1IoCache.html" > IoCache< / a > < / li > < / ul >
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< a href = "#pub-methods" > Public Member Functions< / a > |
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< a href = "../../dc/d02/classshaka_1_1media_1_1IoCache-members.html" > List of all members< / a > < / div >
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< div class = "headertitle" >
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< div class = "title" > shaka::media::IoCache Class Reference< / div > < / div >
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< / div > <!-- header -->
< div class = "contents" >
< p > Declaration of class which implements a thread-safe circular buffer.
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< a href = "../../dd/d7c/classshaka_1_1media_1_1IoCache.html#details" > More...< / a > < / p >
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< p > < code > #include < < a class = "el" href = "../../d3/d19/io__cache_8h_source.html" > io_cache.h< / a > > < / code > < / p >
< table class = "memberdecls" >
< tr class = "heading" > < td colspan = "2" > < h2 class = "groupheader" > < a name = "pub-methods" > < / a >
Public Member Functions< / h2 > < / td > < / tr >
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< tr class = "memitem:ad13b2eaa49737433eec0abece242df06" > < td class = "memItemLeft" align = "right" valign = "top" > < a class = "anchor" id = "ad13b2eaa49737433eec0abece242df06" > < / a >
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  < / td > < td class = "memItemRight" valign = "bottom" > < b > IoCache< / b > (uint64_t cache_size)< / td > < / tr >
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< tr class = "separator:ad13b2eaa49737433eec0abece242df06" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
< tr class = "memitem:a3cb864f866af25f0ff92c367946b0945" > < td class = "memItemLeft" align = "right" valign = "top" > uint64_t  < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "../../dd/d7c/classshaka_1_1media_1_1IoCache.html#a3cb864f866af25f0ff92c367946b0945" > Read< / a > (void *buffer, uint64_t size)< / td > < / tr >
< tr class = "separator:a3cb864f866af25f0ff92c367946b0945" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
< tr class = "memitem:a0349796209c24a99bfe3c1bfdafb1d28" > < td class = "memItemLeft" align = "right" valign = "top" > uint64_t  < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "../../dd/d7c/classshaka_1_1media_1_1IoCache.html#a0349796209c24a99bfe3c1bfdafb1d28" > Write< / a > (const void *buffer, uint64_t size)< / td > < / tr >
< tr class = "separator:a0349796209c24a99bfe3c1bfdafb1d28" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
< tr class = "memitem:a29080034b90671628ea681e10ea92a48" > < td class = "memItemLeft" align = "right" valign = "top" > < a class = "anchor" id = "a29080034b90671628ea681e10ea92a48" > < / a >
void  < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "../../dd/d7c/classshaka_1_1media_1_1IoCache.html#a29080034b90671628ea681e10ea92a48" > Clear< / a > ()< / td > < / tr >
< tr class = "memdesc:a29080034b90671628ea681e10ea92a48" > < td class = "mdescLeft" >   < / td > < td class = "mdescRight" > Empties the cache. < br / > < / td > < / tr >
< tr class = "separator:a29080034b90671628ea681e10ea92a48" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
< tr class = "memitem:a23dfcb4d031d76e980e41d1b1bec7112" > < td class = "memItemLeft" align = "right" valign = "top" > void  < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "../../dd/d7c/classshaka_1_1media_1_1IoCache.html#a23dfcb4d031d76e980e41d1b1bec7112" > Close< / a > ()< / td > < / tr >
< tr class = "separator:a23dfcb4d031d76e980e41d1b1bec7112" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
< tr class = "memitem:adc8aa1afaa3d4ef689e7f2b9ab0e5135" > < td class = "memItemLeft" align = "right" valign = "top" > bool  < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "../../dd/d7c/classshaka_1_1media_1_1IoCache.html#adc8aa1afaa3d4ef689e7f2b9ab0e5135" > closed< / a > ()< / td > < / tr >
< tr class = "separator:adc8aa1afaa3d4ef689e7f2b9ab0e5135" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
< tr class = "memitem:ae751faea047196ba2770f5bf90649185" > < td class = "memItemLeft" align = "right" valign = "top" > < a class = "anchor" id = "ae751faea047196ba2770f5bf90649185" > < / a >
void  < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "../../dd/d7c/classshaka_1_1media_1_1IoCache.html#ae751faea047196ba2770f5bf90649185" > Reopen< / a > ()< / td > < / tr >
< tr class = "memdesc:ae751faea047196ba2770f5bf90649185" > < td class = "mdescLeft" >   < / td > < td class = "mdescRight" > Reopens the cache. Any data still in the cache will be lost. < br / > < / td > < / tr >
< tr class = "separator:ae751faea047196ba2770f5bf90649185" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
< tr class = "memitem:a385baed04dd0cc0d3dca20d78f61559f" > < td class = "memItemLeft" align = "right" valign = "top" > uint64_t  < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "../../dd/d7c/classshaka_1_1media_1_1IoCache.html#a385baed04dd0cc0d3dca20d78f61559f" > BytesCached< / a > ()< / td > < / tr >
< tr class = "separator:a385baed04dd0cc0d3dca20d78f61559f" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
< tr class = "memitem:a74e1d7369afe4f03c551b6e67ec82ee9" > < td class = "memItemLeft" align = "right" valign = "top" > uint64_t  < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "../../dd/d7c/classshaka_1_1media_1_1IoCache.html#a74e1d7369afe4f03c551b6e67ec82ee9" > BytesFree< / a > ()< / td > < / tr >
< tr class = "separator:a74e1d7369afe4f03c551b6e67ec82ee9" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
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void  < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "../../dd/d7c/classshaka_1_1media_1_1IoCache.html#a841a082bfd88280a4ea00ac1a9e64dac" > WaitUntilEmptyOrClosed< / a > ()< / td > < / tr >
< tr class = "memdesc:a841a082bfd88280a4ea00ac1a9e64dac" > < td class = "mdescLeft" >   < / td > < td class = "mdescRight" > Waits until the cache is empty or has been closed. < br / > < / td > < / tr >
< tr class = "separator:a841a082bfd88280a4ea00ac1a9e64dac" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
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< / table >
< a name = "details" id = "details" > < / a > < h2 class = "groupheader" > Detailed Description< / h2 >
< div class = "textblock" > < p > Declaration of class which implements a thread-safe circular buffer. < / p >
< p > Definition at line < a class = "el" href = "../../d3/d19/io__cache_8h_source.html#l00020" > 20< / a > of file < a class = "el" href = "../../d3/d19/io__cache_8h_source.html" > io_cache.h< / a > .< / p >
< / div > < h2 class = "groupheader" > Member Function Documentation< / h2 >
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< a class = "anchor" id = "a385baed04dd0cc0d3dca20d78f61559f" > < / a >
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< div class = "memitem" >
< div class = "memproto" >
< table class = "memname" >
< tr >
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< td class = "memname" > uint64_t shaka::media::IoCache::BytesCached < / td >
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< td > (< / td >
< td class = "paramname" > < / td > < td > )< / td >
< td > < / td >
< / tr >
< / table >
< / div > < div class = "memdoc" >
< p > Returns the number of bytes in the cache. < / p >
< dl class = "section return" > < dt > Returns< / dt > < dd > the number of bytes in the cache. < / dd > < / dl >
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< p > Definition at line < a class = "el" href = "../../d4/d37/io__cache_8cc_source.html#l00125" > 125< / a > of file < a class = "el" href = "../../d4/d37/io__cache_8cc_source.html" > io_cache.cc< / a > .< / p >
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< / div >
< / div >
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< a class = "anchor" id = "a74e1d7369afe4f03c551b6e67ec82ee9" > < / a >
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< div class = "memitem" >
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< table class = "memname" >
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< td class = "memname" > uint64_t shaka::media::IoCache::BytesFree < / td >
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< td > (< / td >
< td class = "paramname" > < / td > < td > )< / td >
< td > < / td >
< / tr >
< / table >
< / div > < div class = "memdoc" >
< p > Returns the number of free bytes in the cache. < / p >
< dl class = "section return" > < dt > Returns< / dt > < dd > the number of free bytes in the cache. < / dd > < / dl >
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< p > Definition at line < a class = "el" href = "../../d4/d37/io__cache_8cc_source.html#l00130" > 130< / a > of file < a class = "el" href = "../../d4/d37/io__cache_8cc_source.html" > io_cache.cc< / a > .< / p >
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< / div >
< / div >
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< a class = "anchor" id = "a23dfcb4d031d76e980e41d1b1bec7112" > < / a >
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< div class = "memitem" >
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< td class = "memname" > void shaka::media::IoCache::Close < / td >
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< td > (< / td >
< td class = "paramname" > < / td > < td > )< / td >
< td > < / td >
< / tr >
< / table >
< / div > < div class = "memdoc" >
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< p > Close the cache. This will call any blocking calls to unblock, and the cache won't be usable until Reopened. < / p >
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< p > Definition at line < a class = "el" href = "../../d4/d37/io__cache_8cc_source.html#l00109" > 109< / a > of file < a class = "el" href = "../../d4/d37/io__cache_8cc_source.html" > io_cache.cc< / a > .< / p >
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< / div >
< / div >
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< a class = "anchor" id = "adc8aa1afaa3d4ef689e7f2b9ab0e5135" > < / a >
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< div class = "memitem" >
< div class = "memproto" >
< table class = "mlabels" >
< tr >
< td class = "mlabels-left" >
< table class = "memname" >
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< td class = "memname" > bool shaka::media::IoCache::closed < / td >
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< td > (< / td >
< td class = "paramname" > < / td > < td > )< / td >
< td > < / td >
< / tr >
< / table >
< / td >
< td class = "mlabels-right" >
< span class = "mlabels" > < span class = "mlabel" > inline< / span > < / span > < / td >
< / tr >
< / table >
< / div > < div class = "memdoc" >
< dl class = "section return" > < dt > Returns< / dt > < dd > true if the cache is closed, false otherwise. < / dd > < / dl >
< p > Definition at line < a class = "el" href = "../../d3/d19/io__cache_8h_source.html#l00050" > 50< / a > of file < a class = "el" href = "../../d3/d19/io__cache_8h_source.html" > io_cache.h< / a > .< / p >
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< / div >
< / div >
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< a class = "anchor" id = "a3cb864f866af25f0ff92c367946b0945" > < / a >
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< div class = "memitem" >
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< td class = "memname" > uint64_t shaka::media::IoCache::Read < / td >
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< td > (< / td >
< td class = "paramtype" > void *  < / td >
< td class = "paramname" > < em > buffer< / em > , < / td >
< / tr >
< tr >
< td class = "paramkey" > < / td >
< td > < / td >
< td class = "paramtype" > uint64_t  < / td >
< td class = "paramname" > < em > size< / em >   < / td >
< / tr >
< tr >
< td > < / td >
< td > )< / td >
< td > < / td > < td > < / td >
< / tr >
< / table >
< / div > < div class = "memdoc" >
< p > Read data from the cache. This function may block until there is data in the cache. < / p >
< dl class = "params" > < dt > Parameters< / dt > < dd >
< table class = "params" >
< tr > < td class = "paramname" > buffer< / td > < td > is a buffer into which to read the data from the cache. < / td > < / tr >
< tr > < td class = "paramname" > size< / td > < td > is the size of < em > buffer< / em > . < / td > < / tr >
< / table >
< / dd >
< / dl >
< dl class = "section return" > < dt > Returns< / dt > < dd > the number of bytes read into < em > buffer< / em > , or 0 if the call unblocked because the cache has been closed and is empty. < / dd > < / dl >
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< p > Definition at line < a class = "el" href = "../../d4/d37/io__cache_8cc_source.html#l00038" > 38< / a > of file < a class = "el" href = "../../d4/d37/io__cache_8cc_source.html" > io_cache.cc< / a > .< / p >
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< / div >
< / div >
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< a class = "anchor" id = "a0349796209c24a99bfe3c1bfdafb1d28" > < / a >
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< td class = "memname" > uint64_t shaka::media::IoCache::Write < / td >
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< td > (< / td >
< td class = "paramtype" > const void *  < / td >
< td class = "paramname" > < em > buffer< / em > , < / td >
< / tr >
< tr >
< td class = "paramkey" > < / td >
< td > < / td >
< td class = "paramtype" > uint64_t  < / td >
< td class = "paramname" > < em > size< / em >   < / td >
< / tr >
< tr >
< td > < / td >
< td > )< / td >
< td > < / td > < td > < / td >
< / tr >
< / table >
< / div > < div class = "memdoc" >
< p > Write data to the cache. This function may block until there is enough room in the cache. < / p >
< dl class = "params" > < dt > Parameters< / dt > < dd >
< table class = "params" >
< tr > < td class = "paramname" > buffer< / td > < td > is a buffer containing the data to be written to the cache. < / td > < / tr >
< tr > < td class = "paramname" > size< / td > < td > is the size of the data to be written to the cache. < / td > < / tr >
< / table >
< / dd >
< / dl >
< dl class = "section return" > < dt > Returns< / dt > < dd > the amount of data written to the buffer (which will equal < em > data< / em > ), or 0 if the call unblocked because the cache has been closed. < / dd > < / dl >
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< p > Definition at line < a class = "el" href = "../../d4/d37/io__cache_8cc_source.html#l00066" > 66< / a > of file < a class = "el" href = "../../d4/d37/io__cache_8cc_source.html" > io_cache.cc< / a > .< / p >
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< / div >
< / div >
< hr / > The documentation for this class was generated from the following files:< ul >
< li > media/file/< a class = "el" href = "../../d3/d19/io__cache_8h_source.html" > io_cache.h< / a > < / li >
< li > media/file/< a class = "el" href = "../../d4/d37/io__cache_8cc_source.html" > io_cache.cc< / a > < / li >
< / ul >
< / div > <!-- contents -->
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< hr class = "footer" / > < address class = "footer" > < small >
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Generated on Thu Aug 18 2016 21:18:09 for DASH Media Packaging SDK by   < a href = "http://www.doxygen.org/index.html" >
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< img class = "footer" src = "../../doxygen.png" alt = "doxygen" / >
< / a > 1.8.6
< / small > < / address >
< / body >
< / html >
