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< li class = "navelem" > < a class = "el" href = "../../dir_39dc0668bd5a501998f94e8b4e546c71.html" > media< / a > < / li > < li class = "navelem" > < a class = "el" href = "../../dir_279fd47bebb21302c25cfb685e84c359.html" > file< / a > < / li > < / ul >
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< div class = "title" > threaded_io_file.h< / div > < / div >
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< div class = "fragment" > < div class = "line" > < a name = "l00001" > < / a > < span class = "lineno" > 1< / span >   < span class = "comment" > // Copyright 2015 Google Inc. All rights reserved.< / span > < / div >
< div class = "line" > < a name = "l00002" > < / a > < span class = "lineno" > 2< / span >   < span class = "comment" > //< / span > < / div >
< div class = "line" > < a name = "l00003" > < / a > < span class = "lineno" > 3< / span >   < span class = "comment" > // Use of this source code is governed by a BSD-style< / span > < / div >
< div class = "line" > < a name = "l00004" > < / a > < span class = "lineno" > 4< / span >   < span class = "comment" > // license that can be found in the LICENSE file or at< / span > < / div >
< div class = "line" > < a name = "l00005" > < / a > < span class = "lineno" > 5< / span >   < span class = "comment" > // https://developers.google.com/open-source/licenses/bsd< / span > < / div >
< div class = "line" > < a name = "l00006" > < / a > < span class = "lineno" > 6< / span >   < / div >
< div class = "line" > < a name = "l00007" > < / a > < span class = "lineno" > 7< / span >   < span class = "preprocessor" > #ifndef PACKAGER_FILE_THREADED_IO_FILE_H_< / span > < / div >
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< div class = "line" > < a name = "l00008" > < / a > < span class = "lineno" > 8< / span >   < span class = "preprocessor" > < / span > < span class = "preprocessor" > #define PACKAGER_FILE_THREADED_IO_FILE_H_< / span > < / div >
< div class = "line" > < a name = "l00009" > < / a > < span class = "lineno" > 9< / span >   < span class = "preprocessor" > < / span > < / div >
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< div class = "line" > < a name = "l00010" > < / a > < span class = "lineno" > 10< / span >   < span class = "preprocessor" > #include " packager/base/atomicops.h" < / span > < / div >
< div class = "line" > < a name = "l00011" > < / a > < span class = "lineno" > 11< / span >   < span class = "preprocessor" > #include " packager/base/memory/scoped_ptr.h" < / span > < / div >
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< div class = "line" > < a name = "l00012" > < / a > < span class = "lineno" > 12< / span >   < span class = "preprocessor" > #include " packager/base/synchronization/waitable_event.h" < / span > < / div >
< div class = "line" > < a name = "l00013" > < / a > < span class = "lineno" > 13< / span >   < span class = "preprocessor" > #include " packager/media/file/file.h" < / span > < / div >
< div class = "line" > < a name = "l00014" > < / a > < span class = "lineno" > 14< / span >   < span class = "preprocessor" > #include " packager/media/file/file_closer.h" < / span > < / div >
< div class = "line" > < a name = "l00015" > < / a > < span class = "lineno" > 15< / span >   < span class = "preprocessor" > #include " packager/media/file/io_cache.h" < / span > < / div >
< div class = "line" > < a name = "l00016" > < / a > < span class = "lineno" > 16< / span >   < / div >
< div class = "line" > < a name = "l00017" > < / a > < span class = "lineno" > 17< / span >   < span class = "keyword" > namespace < / span > edash_packager {< / div >
< div class = "line" > < a name = "l00018" > < / a > < span class = "lineno" > 18< / span >   < span class = "keyword" > namespace < / span > media {< / div >
< div class = "line" > < a name = "l00019" > < / a > < span class = "lineno" > 19< / span >   < / div >
< div class = "line" > < a name = "l00021" > < / a > < span class = "lineno" > < a class = "line" href = "../../dc/dfa/classedash__packager_1_1media_1_1ThreadedIoFile.html" > 21< / a > < / span >   < span class = "keyword" > class < / span > < a class = "code" href = "../../dc/dfa/classedash__packager_1_1media_1_1ThreadedIoFile.html" > ThreadedIoFile< / a > : < span class = "keyword" > public< / span > < a class = "code" href = "../../de/d19/classedash__packager_1_1media_1_1File.html" > File< / a > {< / div >
< div class = "line" > < a name = "l00022" > < / a > < span class = "lineno" > 22< / span >   < span class = "keyword" > public< / span > :< / div >
< div class = "line" > < a name = "l00023" > < / a > < span class = "lineno" > 23< / span >   < span class = "keyword" > enum< / span > Mode {< / div >
< div class = "line" > < a name = "l00024" > < / a > < span class = "lineno" > 24< / span >   kInputMode,< / div >
< div class = "line" > < a name = "l00025" > < / a > < span class = "lineno" > 25< / span >   kOutputMode< / div >
< div class = "line" > < a name = "l00026" > < / a > < span class = "lineno" > 26< / span >   };< / div >
< div class = "line" > < a name = "l00027" > < / a > < span class = "lineno" > 27< / span >   < / div >
< div class = "line" > < a name = "l00028" > < / a > < span class = "lineno" > 28< / span >   < a class = "code" href = "../../dc/dfa/classedash__packager_1_1media_1_1ThreadedIoFile.html" > ThreadedIoFile< / a > (scoped_ptr< File, FileCloser> internal_file,< / div >
< div class = "line" > < a name = "l00029" > < / a > < span class = "lineno" > 29< / span >   Mode mode,< / div >
< div class = "line" > < a name = "l00030" > < / a > < span class = "lineno" > 30< / span >   uint64_t io_cache_size,< / div >
< div class = "line" > < a name = "l00031" > < / a > < span class = "lineno" > 31< / span >   uint64_t io_block_size);< / div >
< div class = "line" > < a name = "l00032" > < / a > < span class = "lineno" > 32< / span >   < / div >
< div class = "line" > < a name = "l00035" > < / a > < span class = "lineno" > 35< / span >   < span class = "keywordtype" > bool< / span > < a class = "code" href = "../../dc/dfa/classedash__packager_1_1media_1_1ThreadedIoFile.html#a72f8485ab641d5e3b5df89a6959c1209" > Close< / a > () < span class = "keyword" > override< / span > ;< / div >
< div class = "line" > < a name = "l00036" > < / a > < span class = "lineno" > 36< / span >   int64_t < a class = "code" href = "../../dc/dfa/classedash__packager_1_1media_1_1ThreadedIoFile.html#a5075259d07b1b004d8b7985527fa6e63" > Read< / a > (< span class = "keywordtype" > void< / span > * buffer, uint64_t length) < span class = "keyword" > override< / span > ;< / div >
< div class = "line" > < a name = "l00037" > < / a > < span class = "lineno" > 37< / span >   int64_t < a class = "code" href = "../../dc/dfa/classedash__packager_1_1media_1_1ThreadedIoFile.html#a7dc883b5751c9027adabfbb0b9edd876" > Write< / a > (< span class = "keyword" > const< / span > < span class = "keywordtype" > void< / span > * buffer, uint64_t length) < span class = "keyword" > override< / span > ;< / div >
< div class = "line" > < a name = "l00038" > < / a > < span class = "lineno" > 38< / span >   int64_t < a class = "code" href = "../../dc/dfa/classedash__packager_1_1media_1_1ThreadedIoFile.html#af61d3986b87d43e3b5ffd86c86094478" > Size< / a > () < span class = "keyword" > override< / span > ;< / div >
< div class = "line" > < a name = "l00039" > < / a > < span class = "lineno" > 39< / span >   < span class = "keywordtype" > bool< / span > < a class = "code" href = "../../dc/dfa/classedash__packager_1_1media_1_1ThreadedIoFile.html#a7d65b07dd7545b7c6d759884b736ad2d" > Flush< / a > () < span class = "keyword" > override< / span > ;< / div >
< div class = "line" > < a name = "l00040" > < / a > < span class = "lineno" > 40< / span >   < span class = "keywordtype" > bool< / span > < a class = "code" href = "../../dc/dfa/classedash__packager_1_1media_1_1ThreadedIoFile.html#a46346ba1ff6a626aedb6f14475bde10d" > Seek< / a > (uint64_t position) < span class = "keyword" > override< / span > ;< / div >
< div class = "line" > < a name = "l00041" > < / a > < span class = "lineno" > 41< / span >   < span class = "keywordtype" > bool< / span > < a class = "code" href = "../../dc/dfa/classedash__packager_1_1media_1_1ThreadedIoFile.html#acef8a84a1ec55e42588fec8bc8e0b698" > Tell< / a > (uint64_t* position) < span class = "keyword" > override< / span > ;< / div >
< div class = "line" > < a name = "l00043" > < / a > < span class = "lineno" > 43< / span >   < / div >
< div class = "line" > < a name = "l00044" > < / a > < span class = "lineno" > 44< / span >   < span class = "keyword" > protected< / span > :< / div >
< div class = "line" > < a name = "l00045" > < / a > < span class = "lineno" > 45< / span >   ~< a class = "code" href = "../../dc/dfa/classedash__packager_1_1media_1_1ThreadedIoFile.html" > ThreadedIoFile< / a > () < span class = "keyword" > override< / span > ;< / div >
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< div class = "line" > < a name = "l00046" > < / a > < span class = "lineno" > 46< / span >   < / div >
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< div class = "line" > < a name = "l00047" > < / a > < span class = "lineno" > 47< / span >   < span class = "keywordtype" > bool< / span > < a class = "code" href = "../../dc/dfa/classedash__packager_1_1media_1_1ThreadedIoFile.html#a5ad6384c116d61739667daa2a7a5613a" > Open< / a > () < span class = "keyword" > override< / span > ;< / div >
< div class = "line" > < a name = "l00048" > < / a > < span class = "lineno" > 48< / span >   < / div >
< div class = "line" > < a name = "l00049" > < / a > < span class = "lineno" > 49< / span >   < span class = "keyword" > private< / span > :< / div >
< div class = "line" > < a name = "l00050" > < / a > < span class = "lineno" > 50< / span >   < span class = "comment" > // Internal task handler implementation. Will dispatch to either< / span > < / div >
< div class = "line" > < a name = "l00051" > < / a > < span class = "lineno" > 51< / span >   < span class = "comment" > // |RunInInputMode| or |RunInOutputMode| depending on |mode_|.< / span > < / div >
< div class = "line" > < a name = "l00052" > < / a > < span class = "lineno" > 52< / span >   < span class = "keywordtype" > void< / span > TaskHandler();< / div >
< div class = "line" > < a name = "l00053" > < / a > < span class = "lineno" > 53< / span >   < span class = "keywordtype" > void< / span > RunInInputMode();< / div >
< div class = "line" > < a name = "l00054" > < / a > < span class = "lineno" > 54< / span >   < span class = "keywordtype" > void< / span > RunInOutputMode();< / div >
< div class = "line" > < a name = "l00055" > < / a > < span class = "lineno" > 55< / span >   < / div >
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< div class = "line" > < a name = "l00056" > < / a > < span class = "lineno" > 56< / span >   scoped_ptr< File, FileCloser> internal_file_;< / div >
< div class = "line" > < a name = "l00057" > < / a > < span class = "lineno" > 57< / span >   < span class = "keyword" > const< / span > Mode mode_;< / div >
< div class = "line" > < a name = "l00058" > < / a > < span class = "lineno" > 58< / span >   < a class = "code" href = "../../d3/d6b/classedash__packager_1_1media_1_1IoCache.html" > IoCache< / a > cache_;< / div >
< div class = "line" > < a name = "l00059" > < / a > < span class = "lineno" > 59< / span >   std::vector< uint8_t> io_buffer_;< / div >
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< div class = "line" > < a name = "l00060" > < / a > < span class = "lineno" > 60< / span >   uint64_t position_;< / div >
< div class = "line" > < a name = "l00061" > < / a > < span class = "lineno" > 61< / span >   uint64_t size_;< / div >
< div class = "line" > < a name = "l00062" > < / a > < span class = "lineno" > 62< / span >   base::subtle::Atomic32 eof_;< / div >
< div class = "line" > < a name = "l00063" > < / a > < span class = "lineno" > 63< / span >   < span class = "keywordtype" > bool< / span > flushing_;< / div >
< div class = "line" > < a name = "l00064" > < / a > < span class = "lineno" > 64< / span >   base::WaitableEvent flush_complete_event_;< / div >
< div class = "line" > < a name = "l00065" > < / a > < span class = "lineno" > 65< / span >   base::subtle::Atomic32 internal_file_error_;< / div >
< div class = "line" > < a name = "l00066" > < / a > < span class = "lineno" > 66< / span >   < span class = "comment" > // Signalled when thread task exits.< / span > < / div >
< div class = "line" > < a name = "l00067" > < / a > < span class = "lineno" > 67< / span >   base::WaitableEvent task_exit_event_;< / div >
< div class = "line" > < a name = "l00068" > < / a > < span class = "lineno" > 68< / span >   < / div >
< div class = "line" > < a name = "l00069" > < / a > < span class = "lineno" > 69< / span >   DISALLOW_COPY_AND_ASSIGN(< a class = "code" href = "../../dc/dfa/classedash__packager_1_1media_1_1ThreadedIoFile.html" > ThreadedIoFile< / a > );< / div >
< div class = "line" > < a name = "l00070" > < / a > < span class = "lineno" > 70< / span >   };< / div >
< div class = "line" > < a name = "l00071" > < / a > < span class = "lineno" > 71< / span >   < / div >
< div class = "line" > < a name = "l00072" > < / a > < span class = "lineno" > 72< / span >   } < span class = "comment" > // namespace media< / span > < / div >
< div class = "line" > < a name = "l00073" > < / a > < span class = "lineno" > 73< / span >   } < span class = "comment" > // namespace edash_packager< / span > < / div >
< div class = "line" > < a name = "l00074" > < / a > < span class = "lineno" > 74< / span >   < / div >
< div class = "line" > < a name = "l00075" > < / a > < span class = "lineno" > 75< / span >   < span class = "preprocessor" > #endif // PACKAGER_FILE_THREADED_IO_FILE_H< / span > < / div >
< div class = "ttc" id = "classedash__packager_1_1media_1_1ThreadedIoFile_html_a7dc883b5751c9027adabfbb0b9edd876" > < div class = "ttname" > < a href = "../../dc/dfa/classedash__packager_1_1media_1_1ThreadedIoFile.html#a7dc883b5751c9027adabfbb0b9edd876" > edash_packager::media::ThreadedIoFile::Write< / a > < / div > < div class = "ttdeci" > int64_t Write(const void *buffer, uint64_t length) override< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d2/d23/threaded__io__file_8cc_source.html#l00087" > threaded_io_file.cc:87< / a > < / div > < / div >
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< div class = "ttc" id = "classedash__packager_1_1media_1_1IoCache_html" > < div class = "ttname" > < a href = "../../d3/d6b/classedash__packager_1_1media_1_1IoCache.html" > edash_packager::media::IoCache< / a > < / div > < div class = "ttdoc" > Declaration of class which implements a thread-safe circular buffer. < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d3/d19/io__cache_8h_source.html#l00020" > io_cache.h:20< / a > < / div > < / div >
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< div class = "ttc" id = "classedash__packager_1_1media_1_1ThreadedIoFile_html_a46346ba1ff6a626aedb6f14475bde10d" > < div class = "ttname" > < a href = "../../dc/dfa/classedash__packager_1_1media_1_1ThreadedIoFile.html#a46346ba1ff6a626aedb6f14475bde10d" > edash_packager::media::ThreadedIoFile::Seek< / a > < / div > < div class = "ttdeci" > bool Seek(uint64_t position) override< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d2/d23/threaded__io__file_8cc_source.html#l00118" > threaded_io_file.cc:118< / a > < / div > < / div >
< div class = "ttc" id = "classedash__packager_1_1media_1_1ThreadedIoFile_html_a7d65b07dd7545b7c6d759884b736ad2d" > < div class = "ttname" > < a href = "../../dc/dfa/classedash__packager_1_1media_1_1ThreadedIoFile.html#a7d65b07dd7545b7c6d759884b736ad2d" > edash_packager::media::ThreadedIoFile::Flush< / a > < / div > < div class = "ttdeci" > bool Flush() override< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d2/d23/threaded__io__file_8cc_source.html#l00108" > threaded_io_file.cc:108< / a > < / div > < / div >
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< div class = "ttc" id = "classedash__packager_1_1media_1_1File_html" > < div class = "ttname" > < a href = "../../de/d19/classedash__packager_1_1media_1_1File.html" > edash_packager::media::File< / a > < / div > < div class = "ttdoc" > Define an abstract file interface. < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d2/d4d/file_8h_source.html#l00023" > file.h:23< / a > < / div > < / div >
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< div class = "ttc" id = "classedash__packager_1_1media_1_1ThreadedIoFile_html_a5075259d07b1b004d8b7985527fa6e63" > < div class = "ttname" > < a href = "../../dc/dfa/classedash__packager_1_1media_1_1ThreadedIoFile.html#a5075259d07b1b004d8b7985527fa6e63" > edash_packager::media::ThreadedIoFile::Read< / a > < / div > < div class = "ttdeci" > int64_t Read(void *buffer, uint64_t length) override< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d2/d23/threaded__io__file_8cc_source.html#l00070" > threaded_io_file.cc:70< / a > < / div > < / div >
< div class = "ttc" id = "classedash__packager_1_1media_1_1ThreadedIoFile_html_a5ad6384c116d61739667daa2a7a5613a" > < div class = "ttname" > < a href = "../../dc/dfa/classedash__packager_1_1media_1_1ThreadedIoFile.html#a5ad6384c116d61739667daa2a7a5613a" > edash_packager::media::ThreadedIoFile::Open< / a > < / div > < div class = "ttdeci" > bool Open() override< / div > < div class = "ttdoc" > Internal open. Should not be used directly. < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d2/d23/threaded__io__file_8cc_source.html#l00041" > threaded_io_file.cc:41< / a > < / div > < / div >
< div class = "ttc" id = "classedash__packager_1_1media_1_1ThreadedIoFile_html_af61d3986b87d43e3b5ffd86c86094478" > < div class = "ttname" > < a href = "../../dc/dfa/classedash__packager_1_1media_1_1ThreadedIoFile.html#af61d3986b87d43e3b5ffd86c86094478" > edash_packager::media::ThreadedIoFile::Size< / a > < / div > < div class = "ttdeci" > int64_t Size() override< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d2/d23/threaded__io__file_8cc_source.html#l00102" > threaded_io_file.cc:102< / a > < / div > < / div >
< div class = "ttc" id = "classedash__packager_1_1media_1_1ThreadedIoFile_html" > < div class = "ttname" > < a href = "../../dc/dfa/classedash__packager_1_1media_1_1ThreadedIoFile.html" > edash_packager::media::ThreadedIoFile< / a > < / div > < div class = "ttdoc" > Declaration of class which implements a thread-safe circular buffer. < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d2/da6/threaded__io__file_8h_source.html#l00021" > threaded_io_file.h:21< / a > < / div > < / div >
< div class = "ttc" id = "classedash__packager_1_1media_1_1ThreadedIoFile_html_a72f8485ab641d5e3b5df89a6959c1209" > < div class = "ttname" > < a href = "../../dc/dfa/classedash__packager_1_1media_1_1ThreadedIoFile.html#a72f8485ab641d5e3b5df89a6959c1209" > edash_packager::media::ThreadedIoFile::Close< / a > < / div > < div class = "ttdeci" > bool Close() override< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d2/d23/threaded__io__file_8cc_source.html#l00056" > threaded_io_file.cc:56< / a > < / div > < / div >
< div class = "ttc" id = "classedash__packager_1_1media_1_1ThreadedIoFile_html_acef8a84a1ec55e42588fec8bc8e0b698" > < div class = "ttname" > < a href = "../../dc/dfa/classedash__packager_1_1media_1_1ThreadedIoFile.html#acef8a84a1ec55e42588fec8bc8e0b698" > edash_packager::media::ThreadedIoFile::Tell< / a > < / div > < div class = "ttdeci" > bool Tell(uint64_t *position) override< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d2/d23/threaded__io__file_8cc_source.html#l00147" > threaded_io_file.cc:147< / a > < / div > < / div >
2015-10-16 00:33:37 +00:00
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