From d4b625b48e6bbac61b4128aeeaf44911b2e3e03b Mon Sep 17 00:00:00 2001 From: Max Kellermann Date: Sun, 11 May 2014 17:14:49 +0200 Subject: InputStream: make various methods abstract Replace InputPlugin attributes. --- src/archive/plugins/Bzip2ArchivePlugin.cxx | 45 +++++------ src/archive/plugins/Iso9660ArchivePlugin.cxx | 27 ++----- src/archive/plugins/ZzipArchivePlugin.cxx | 43 ++++------- src/input/InputPlugin.hxx | 32 -------- src/input/InputStream.cxx | 47 ++---------- src/input/InputStream.hxx | 14 ++-- src/input/ThreadInputStream.cxx | 41 ++-------- src/input/ThreadInputStream.hxx | 21 ++---- src/input/plugins/AlsaInputPlugin.cxx | 44 +++-------- src/input/plugins/ArchiveInputPlugin.cxx | 7 -- src/input/plugins/CdioParanoiaInputPlugin.cxx | 72 ++++++++---------- src/input/plugins/CurlInputPlugin.cxx | 90 +++++----------------- src/input/plugins/DespotifyInputPlugin.cxx | 44 ++--------- src/input/plugins/FfmpegInputPlugin.cxx | 44 +++++------ src/input/plugins/FileInputPlugin.cxx | 50 +++++------- src/input/plugins/MmsInputPlugin.cxx | 12 +-- src/input/plugins/NfsInputPlugin.cxx | 80 +++++++------------- src/input/plugins/RewindInputPlugin.cxx | 105 +++++--------------------- src/input/plugins/SmbclientInputPlugin.cxx | 77 +++++++------------ 19 files changed, 252 insertions(+), 643 deletions(-) (limited to 'src') diff --git a/src/archive/plugins/Bzip2ArchivePlugin.cxx b/src/archive/plugins/Bzip2ArchivePlugin.cxx index 213b7d38c..d349b537f 100644 --- a/src/archive/plugins/Bzip2ArchivePlugin.cxx +++ b/src/archive/plugins/Bzip2ArchivePlugin.cxx @@ -102,6 +102,10 @@ struct Bzip2InputStream final : public InputStream { ~Bzip2InputStream(); bool Open(Error &error); + + /* virtual methods from InputStream */ + bool IsEOF() override; + size_t Read(void *ptr, size_t size, Error &error) override; }; extern const InputPlugin bz2_inputplugin; @@ -198,30 +202,26 @@ bz2_fillbuffer(Bzip2InputStream *bis, Error &error) return true; } -static size_t -bz2_is_read(InputStream *is, void *ptr, size_t length, - Error &error) +size_t +Bzip2InputStream::Read(void *ptr, size_t length, Error &error) { - Bzip2InputStream *bis = (Bzip2InputStream *)is; - bz_stream *bzstream; int bz_result; size_t nbytes = 0; - if (bis->eof) + if (eof) return 0; - bzstream = &bis->bzstream; - bzstream->next_out = (char *)ptr; - bzstream->avail_out = length; + bzstream.next_out = (char *)ptr; + bzstream.avail_out = length; do { - if (!bz2_fillbuffer(bis, error)) + if (!bz2_fillbuffer(this, error)) return 0; - bz_result = BZ2_bzDecompress(bzstream); + bz_result = BZ2_bzDecompress(&bzstream); if (bz_result == BZ_STREAM_END) { - bis->eof = true; + eof = true; break; } @@ -230,20 +230,18 @@ bz2_is_read(InputStream *is, void *ptr, size_t length, "BZ2_bzDecompress() has failed"); return 0; } - } while (bzstream->avail_out == length); + } while (bzstream.avail_out == length); - nbytes = length - bzstream->avail_out; - is->offset += nbytes; + nbytes = length - bzstream.avail_out; + offset += nbytes; return nbytes; } -static bool -bz2_is_eof(InputStream *is) +bool +Bzip2InputStream::IsEOF() { - Bzip2InputStream *bis = (Bzip2InputStream *)is; - - return bis->eof; + return eof; } /* exported structures */ @@ -258,13 +256,6 @@ const InputPlugin bz2_inputplugin = { nullptr, nullptr, nullptr, - nullptr, - nullptr, - nullptr, - nullptr, - bz2_is_read, - bz2_is_eof, - nullptr, }; const ArchivePlugin bz2_archive_plugin = { diff --git a/src/archive/plugins/Iso9660ArchivePlugin.cxx b/src/archive/plugins/Iso9660ArchivePlugin.cxx index 0a9cb8214..e5c3fd062 100644 --- a/src/archive/plugins/Iso9660ArchivePlugin.cxx +++ b/src/archive/plugins/Iso9660ArchivePlugin.cxx @@ -162,7 +162,9 @@ public: archive.Unref(); } - size_t Read(void *ptr, size_t size, Error &error); + /* virtual methods from InputStream */ + bool IsEOF() override; + size_t Read(void *ptr, size_t size, Error &error) override; }; InputStream * @@ -181,7 +183,7 @@ Iso9660ArchiveFile::OpenStream(const char *pathname, statbuf); } -inline size_t +size_t Iso9660InputStream::Read(void *ptr, size_t read_size, Error &error) { int readed = 0; @@ -216,18 +218,10 @@ Iso9660InputStream::Read(void *ptr, size_t read_size, Error &error) return readed; } -static size_t -iso9660_input_read(InputStream *is, void *ptr, size_t size, - Error &error) +bool +Iso9660InputStream::IsEOF() { - Iso9660InputStream *iis = (Iso9660InputStream *)is; - return iis->Read(ptr, size, error); -} - -static bool -iso9660_input_eof(InputStream *is) -{ - return is->offset == is->size; + return offset == size; } /* exported structures */ @@ -242,13 +236,6 @@ const InputPlugin iso9660_input_plugin = { nullptr, nullptr, nullptr, - nullptr, - nullptr, - nullptr, - nullptr, - iso9660_input_read, - iso9660_input_eof, - nullptr, }; const ArchivePlugin iso9660_archive_plugin = { diff --git a/src/archive/plugins/ZzipArchivePlugin.cxx b/src/archive/plugins/ZzipArchivePlugin.cxx index 4eafe4aeb..53b6b9f93 100644 --- a/src/archive/plugins/ZzipArchivePlugin.cxx +++ b/src/archive/plugins/ZzipArchivePlugin.cxx @@ -123,6 +123,11 @@ struct ZzipInputStream final : public InputStream { zzip_file_close(file); archive->Unref(); } + + /* virtual methods from InputStream */ + bool IsEOF() override; + size_t Read(void *ptr, size_t size, Error &error) override; + bool Seek(offset_type offset, int whence, Error &error) override; }; InputStream * @@ -142,41 +147,32 @@ ZzipArchiveFile::OpenStream(const char *pathname, _file); } -static size_t -zzip_input_read(InputStream *is, void *ptr, size_t size, - Error &error) +size_t +ZzipInputStream::Read(void *ptr, size_t read_size, Error &error) { - ZzipInputStream *zis = (ZzipInputStream *)is; - int ret; - - ret = zzip_file_read(zis->file, ptr, size); + int ret = zzip_file_read(file, ptr, read_size); if (ret < 0) { error.Set(zzip_domain, "zzip_file_read() has failed"); return 0; } - is->offset = zzip_tell(zis->file); - + offset = zzip_tell(file); return ret; } -static bool -zzip_input_eof(InputStream *is) +bool +ZzipInputStream::IsEOF() { - ZzipInputStream *zis = (ZzipInputStream *)is; - - return (InputPlugin::offset_type)zzip_tell(zis->file) == is->size; + return (InputPlugin::offset_type)zzip_tell(file) == size; } -static bool -zzip_input_seek(InputStream *is, InputPlugin::offset_type offset, - int whence, Error &error) +bool +ZzipInputStream::Seek(offset_type new_offset, int whence, Error &error) { - ZzipInputStream *zis = (ZzipInputStream *)is; - zzip_off_t ofs = zzip_seek(zis->file, offset, whence); + zzip_off_t ofs = zzip_seek(file, new_offset, whence); if (ofs != -1) { error.Set(zzip_domain, "zzip_seek() has failed"); - is->offset = ofs; + offset = ofs; return true; } return false; @@ -194,13 +190,6 @@ const InputPlugin zzip_input_plugin = { nullptr, nullptr, nullptr, - nullptr, - nullptr, - nullptr, - nullptr, - zzip_input_read, - zzip_input_eof, - zzip_input_seek, }; const ArchivePlugin zzip_archive_plugin = { diff --git a/src/input/InputPlugin.hxx b/src/input/InputPlugin.hxx index 449604434..1bdf44b77 100644 --- a/src/input/InputPlugin.hxx +++ b/src/input/InputPlugin.hxx @@ -82,38 +82,6 @@ struct InputPlugin { InputStream *(*open)(const char *uri, Mutex &mutex, Cond &cond, Error &error); - - /** - * Check for errors that may have occurred in the I/O thread. - * May be unimplemented for synchronous plugins. - * - * @return false on error - */ - bool (*check)(InputStream *is, Error &error); - - /** - * Update the public attributes. Call before access. Can be - * nullptr if the plugin always keeps its attributes up to date. - */ - void (*update)(InputStream *is); - - Tag *(*tag)(InputStream *is); - - /** - * Returns true if the next read operation will not block: - * either data is available, or end-of-stream has been - * reached, or an error has occurred. - * - * If this method is unimplemented, then it is assumed that - * reading will never block. - */ - bool (*available)(InputStream *is); - - size_t (*read)(InputStream *is, void *ptr, size_t size, - Error &error); - bool (*eof)(InputStream *is); - bool (*seek)(InputStream *is, offset_type offset, int whence, - Error &error); }; #endif diff --git a/src/input/InputStream.cxx b/src/input/InputStream.cxx index 2e0df6856..d4f1b1f87 100644 --- a/src/input/InputStream.cxx +++ b/src/input/InputStream.cxx @@ -45,10 +45,6 @@ InputStream::Open(const char *url, is = plugin->open(url, mutex, cond, error); if (is != nullptr) { - assert(is->plugin.read != nullptr); - assert(is->plugin.eof != nullptr); - assert(!is->seekable || is->plugin.seek != nullptr); - is = input_rewind_open(is); return is; @@ -83,16 +79,14 @@ InputStream::OpenReady(const char *uri, } bool -InputStream::Check(Error &error) +InputStream::Check(gcc_unused Error &error) { - return plugin.check == nullptr || plugin.check(this, error); + return true; } void InputStream::Update() { - if (plugin.update != nullptr) - plugin.update(this); } void @@ -130,20 +124,15 @@ InputStream::CheapSeeking() const } bool -InputStream::Seek(offset_type _offset, int whence, Error &error) +InputStream::Seek(gcc_unused offset_type new_offset, gcc_unused int whence, + gcc_unused Error &error) { - if (plugin.seek == nullptr) - return false; - - return plugin.seek(this, _offset, whence, error); + return false; } bool InputStream::LockSeek(offset_type _offset, int whence, Error &error) { - if (plugin.seek == nullptr) - return false; - const ScopeLock protect(mutex); return Seek(_offset, whence, error); } @@ -163,17 +152,12 @@ InputStream::LockRewind(Error &error) Tag * InputStream::ReadTag() { - return plugin.tag != nullptr - ? plugin.tag(this) - : nullptr; + return nullptr; } Tag * InputStream::LockReadTag() { - if (plugin.tag == nullptr) - return nullptr; - const ScopeLock protect(mutex); return ReadTag(); } @@ -181,18 +165,7 @@ InputStream::LockReadTag() bool InputStream::IsAvailable() { - return plugin.available != nullptr - ? plugin.available(this) - : true; -} - -size_t -InputStream::Read(void *ptr, size_t _size, Error &error) -{ - assert(ptr != nullptr); - assert(_size > 0); - - return plugin.read(this, ptr, _size, error); + return true; } size_t @@ -205,12 +178,6 @@ InputStream::LockRead(void *ptr, size_t _size, Error &error) return Read(ptr, _size, error); } -bool -InputStream::IsEOF() -{ - return plugin.eof(this); -} - bool InputStream::LockIsEOF() { diff --git a/src/input/InputStream.hxx b/src/input/InputStream.hxx index 4a9d7832a..b1f8c0d8c 100644 --- a/src/input/InputStream.hxx +++ b/src/input/InputStream.hxx @@ -166,13 +166,13 @@ public: * * @return false on error */ - bool Check(Error &error); + virtual bool Check(Error &error); /** * Update the public attributes. Call before accessing attributes * such as "ready" or "offset". */ - void Update(); + virtual void Update(); void SetReady(); @@ -272,7 +272,7 @@ public: * @param offset the relative offset * @param whence the base of the seek, one of SEEK_SET, SEEK_CUR, SEEK_END */ - bool Seek(offset_type offset, int whence, Error &error); + virtual bool Seek(offset_type offset, int whence, Error &error); /** * Wrapper for Seek() which locks and unlocks the mutex; the @@ -293,7 +293,7 @@ public: * The caller must lock the mutex. */ gcc_pure - bool IsEOF(); + virtual bool IsEOF() = 0; /** * Wrapper for IsEOF() which locks and unlocks the mutex; the @@ -311,7 +311,7 @@ public: * nullptr if the tag has not changed since the last call */ gcc_malloc - Tag *ReadTag(); + virtual Tag *ReadTag(); /** * Wrapper for ReadTag() which locks and unlocks the mutex; @@ -328,7 +328,7 @@ public: * The caller must lock the mutex. */ gcc_pure - bool IsAvailable(); + virtual bool IsAvailable(); /** * Reads data from the stream into the caller-supplied buffer. @@ -342,7 +342,7 @@ public: * @return the number of bytes read */ gcc_nonnull_all - size_t Read(void *ptr, size_t size, Error &error); + virtual size_t Read(void *ptr, size_t size, Error &error) = 0; /** * Wrapper for Read() which locks and unlocks the mutex; diff --git a/src/input/ThreadInputStream.cxx b/src/input/ThreadInputStream.cxx index 408b757f9..efbb8c9f9 100644 --- a/src/input/ThreadInputStream.cxx +++ b/src/input/ThreadInputStream.cxx @@ -116,8 +116,8 @@ ThreadInputStream::ThreadFunc(void *ctx) tis.ThreadFunc(); } -inline bool -ThreadInputStream::Check2(Error &error) +bool +ThreadInputStream::Check(Error &error) { if (postponed_error.IsDefined()) { error = std::move(postponed_error); @@ -128,27 +128,13 @@ ThreadInputStream::Check2(Error &error) } bool -ThreadInputStream::Check(InputStream *is, Error &error) -{ - ThreadInputStream &tis = *(ThreadInputStream *)is; - return tis.Check2(error); -} - -inline bool -ThreadInputStream::Available2() +ThreadInputStream::IsAvailable() { return !buffer->IsEmpty() || eof || postponed_error.IsDefined(); } -bool -ThreadInputStream::Available(InputStream *is) -{ - ThreadInputStream &tis = *(ThreadInputStream *)is; - return tis.Available2(); -} - inline size_t -ThreadInputStream::Read2(void *ptr, size_t read_size, Error &error) +ThreadInputStream::Read(void *ptr, size_t read_size, Error &error) { while (true) { if (postponed_error.IsDefined()) { @@ -173,23 +159,8 @@ ThreadInputStream::Read2(void *ptr, size_t read_size, Error &error) } } -size_t -ThreadInputStream::Read(InputStream *is, void *ptr, size_t size, - Error &error) -{ - ThreadInputStream &tis = *(ThreadInputStream *)is; - return tis.Read2(ptr, size, error); -} - -inline bool -ThreadInputStream::IsEOF2() -{ - return eof; -} - bool -ThreadInputStream::IsEOF(InputStream *is) +ThreadInputStream::IsEOF() { - ThreadInputStream &tis = *(ThreadInputStream *)is; - return tis.IsEOF2(); + return eof; } diff --git a/src/input/ThreadInputStream.hxx b/src/input/ThreadInputStream.hxx index 2354000f6..4d4ec3972 100644 --- a/src/input/ThreadInputStream.hxx +++ b/src/input/ThreadInputStream.hxx @@ -82,6 +82,12 @@ public: */ InputStream *Start(Error &error); + /* virtual methods from InputStream */ + bool Check(Error &error) override final; + bool IsEOF() override final; + bool IsAvailable() override final; + size_t Read(void *ptr, size_t size, Error &error) override final; + protected: void SetMimeType(const char *_mime) { assert(thread.IsInside()); @@ -110,7 +116,7 @@ protected: * * @return 0 on end-of-file or on error */ - virtual size_t Read(void *ptr, size_t size, Error &error) = 0; + virtual size_t ThreadRead(void *ptr, size_t size, Error &error) = 0; /** * Optional deinitialization before leaving the thread. @@ -130,19 +136,6 @@ protected: private: void ThreadFunc(); static void ThreadFunc(void *ctx); - - bool Check2(Error &error); - bool Available2(); - size_t Read2(void *ptr, size_t size, Error &error); - bool IsEOF2(); - -public: - /* InputPlugin callbacks */ - static bool Check(InputStream *is, Error &error); - static bool Available(InputStream *is); - static size_t Read(InputStream *is, void *ptr, size_t size, - Error &error); - static bool IsEOF(InputStream *is); }; #endif diff --git a/src/input/plugins/AlsaInputPlugin.cxx b/src/input/plugins/AlsaInputPlugin.cxx index 2049c5635..b4673afcf 100644 --- a/src/input/plugins/AlsaInputPlugin.cxx +++ b/src/input/plugins/AlsaInputPlugin.cxx @@ -116,7 +116,13 @@ public: static InputStream *Create(const char *uri, Mutex &mutex, Cond &cond, Error &error); - bool Available() { + /* virtual methods from InputStream */ + + bool IsEOF() override { + return eof; + } + + bool IsAvailable() override { if (snd_pcm_avail(capture_handle) > frames_to_read) return true; @@ -126,11 +132,7 @@ public: return false; } - size_t Read(void *ptr, size_t size, Error &error); - - bool IsEOF() { - return eof; - } + size_t Read(void *ptr, size_t size, Error &error) override; private: static snd_pcm_t *OpenDevice(const char *device, int rate, @@ -181,7 +183,7 @@ AlsaInputStream::Create(const char *uri, Mutex &mutex, Cond &cond, handle, frame_size); } -inline size_t +size_t AlsaInputStream::Read(void *ptr, size_t read_size, Error &error) { assert(ptr != nullptr); @@ -373,37 +375,9 @@ alsa_input_open(const char *uri, Mutex &mutex, Cond &cond, Error &error) return AlsaInputStream::Create(uri, mutex, cond, error); } -static bool -alsa_input_available(InputStream *is) -{ - AlsaInputStream *ais = (AlsaInputStream *)is; - return ais->Available(); -} - -static size_t -alsa_input_read(InputStream *is, void *ptr, size_t size, Error &error) -{ - AlsaInputStream *ais = (AlsaInputStream *)is; - return ais->Read(ptr, size, error); -} - -static bool -alsa_input_eof(gcc_unused InputStream *is) -{ - AlsaInputStream *ais = (AlsaInputStream *)is; - return ais->IsEOF(); -} - const struct InputPlugin input_plugin_alsa = { "alsa", nullptr, nullptr, alsa_input_open, - nullptr, - nullptr, - nullptr, - alsa_input_available, - alsa_input_read, - alsa_input_eof, - nullptr, }; diff --git a/src/input/plugins/ArchiveInputPlugin.cxx b/src/input/plugins/ArchiveInputPlugin.cxx index 8a8be5b2f..b51dc6835 100644 --- a/src/input/plugins/ArchiveInputPlugin.cxx +++ b/src/input/plugins/ArchiveInputPlugin.cxx @@ -89,11 +89,4 @@ const InputPlugin input_plugin_archive = { nullptr, nullptr, input_archive_open, - nullptr, - nullptr, - nullptr, - nullptr, - nullptr, - nullptr, - nullptr, }; diff --git a/src/input/plugins/CdioParanoiaInputPlugin.cxx b/src/input/plugins/CdioParanoiaInputPlugin.cxx index c5b238320..a5c848f68 100644 --- a/src/input/plugins/CdioParanoiaInputPlugin.cxx +++ b/src/input/plugins/CdioParanoiaInputPlugin.cxx @@ -79,6 +79,11 @@ struct CdioParanoiaInputStream final : public InputStream { if (cdio != nullptr) cdio_destroy(cdio); } + + /* virtual methods from InputStream */ + bool IsEOF() override; + size_t Read(void *ptr, size_t size, Error &error) override; + bool Seek(offset_type offset, int whence, Error &error) override; }; static constexpr Domain cdio_domain("cdio"); @@ -266,48 +271,44 @@ input_cdio_open(const char *uri, return i; } -static bool -input_cdio_seek(InputStream *is, - InputPlugin::offset_type offset, int whence, Error &error) +bool +CdioParanoiaInputStream::Seek(InputPlugin::offset_type new_offset, + int whence, Error &error) { - CdioParanoiaInputStream *cis = (CdioParanoiaInputStream *)is; - /* calculate absolute offset */ switch (whence) { case SEEK_SET: break; case SEEK_CUR: - offset += cis->offset; + new_offset += offset; break; case SEEK_END: - offset += cis->size; + new_offset += size; break; } - if (offset < 0 || offset > cis->size) { + if (new_offset < 0 || new_offset > size) { error.Format(cdio_domain, "Invalid offset to seek %ld (%ld)", - (long int)offset, (long int)cis->size); + (long int)new_offset, (long int)size); return false; } /* simple case */ - if (offset == cis->offset) + if (new_offset == offset) return true; /* calculate current LSN */ - cis->lsn_relofs = offset / CDIO_CD_FRAMESIZE_RAW; - cis->offset = offset; + lsn_relofs = new_offset / CDIO_CD_FRAMESIZE_RAW; + offset = new_offset; - cdio_paranoia_seek(cis->para, cis->lsn_from + cis->lsn_relofs, SEEK_SET); + cdio_paranoia_seek(para, lsn_from + lsn_relofs, SEEK_SET); return true; } -static size_t -input_cdio_read(InputStream *is, void *ptr, size_t length, - Error &error) +size_t +CdioParanoiaInputStream::Read(void *ptr, size_t length, Error &error) { - CdioParanoiaInputStream *cis = (CdioParanoiaInputStream *)is; size_t nbytes = 0; int diff; size_t len, maxwrite; @@ -319,20 +320,20 @@ input_cdio_read(InputStream *is, void *ptr, size_t length, /* end of track ? */ - if (cis->lsn_from + cis->lsn_relofs > cis->lsn_to) + if (lsn_from + lsn_relofs > lsn_to) break; //current sector was changed ? - if (cis->lsn_relofs != cis->buffer_lsn) { - rbuf = cdio_paranoia_read(cis->para, nullptr); + if (lsn_relofs != buffer_lsn) { + rbuf = cdio_paranoia_read(para, nullptr); - s_err = cdda_errors(cis->drv); + s_err = cdda_errors(drv); if (s_err) { FormatError(cdio_domain, "paranoia_read: %s", s_err); free(s_err); } - s_mess = cdda_messages(cis->drv); + s_mess = cdda_messages(drv); if (s_mess) { free(s_mess); } @@ -342,15 +343,15 @@ input_cdio_read(InputStream *is, void *ptr, size_t length, return 0; } //store current buffer - memcpy(cis->buffer, rbuf, CDIO_CD_FRAMESIZE_RAW); - cis->buffer_lsn = cis->lsn_relofs; + memcpy(buffer, rbuf, CDIO_CD_FRAMESIZE_RAW); + buffer_lsn = lsn_relofs; } else { //use cached sector - rbuf = (int16_t*) cis->buffer; + rbuf = (int16_t *)buffer; } //correct offset - diff = cis->offset - cis->lsn_relofs * CDIO_CD_FRAMESIZE_RAW; + diff = offset - lsn_relofs * CDIO_CD_FRAMESIZE_RAW; assert(diff >= 0 && diff < CDIO_CD_FRAMESIZE_RAW); @@ -364,8 +365,8 @@ input_cdio_read(InputStream *is, void *ptr, size_t length, nbytes += len; //update offset - cis->offset += len; - cis->lsn_relofs = cis->offset / CDIO_CD_FRAMESIZE_RAW; + offset += len; + lsn_relofs = offset / CDIO_CD_FRAMESIZE_RAW; //update length length -= len; } @@ -373,12 +374,10 @@ input_cdio_read(InputStream *is, void *ptr, size_t length, return nbytes; } -static bool -input_cdio_eof(InputStream *is) +bool +CdioParanoiaInputStream::IsEOF() { - CdioParanoiaInputStream *cis = (CdioParanoiaInputStream *)is; - - return (cis->lsn_from + cis->lsn_relofs > cis->lsn_to); + return lsn_from + lsn_relofs > lsn_to; } const InputPlugin input_plugin_cdio_paranoia = { @@ -386,11 +385,4 @@ const InputPlugin input_plugin_cdio_paranoia = { input_cdio_init, nullptr, input_cdio_open, - nullptr, - nullptr, - nullptr, - nullptr, - input_cdio_read, - input_cdio_eof, - input_cdio_seek, }; diff --git a/src/input/plugins/CurlInputPlugin.cxx b/src/input/plugins/CurlInputPlugin.cxx index fa93a1d7e..bb7ddcfdb 100644 --- a/src/input/plugins/CurlInputPlugin.cxx +++ b/src/input/plugins/CurlInputPlugin.cxx @@ -120,23 +120,6 @@ struct CurlInputStream final : public InputStream { static InputStream *Open(const char *url, Mutex &mutex, Cond &cond, Error &error); - bool Check(Error &error); - - bool IsEOF() const { - return easy == nullptr && buffer.IsEmpty(); - } - - bool Seek(InputPlugin::offset_type offset, int whence, Error &error); - - Tag *ReadTag(); - - bool IsAvailable() const { - return postponed_error.IsDefined() || easy == nullptr || - !buffer.IsEmpty(); - } - - size_t Read(void *ptr, size_t size, Error &error); - bool InitEasy(Error &error); /** @@ -180,6 +163,23 @@ struct CurlInputStream final : public InputStream { * Runs in the I/O thread. The caller must not hold locks. */ void RequestDone(CURLcode result, long status); + + /* virtual methods from InputStream */ + bool Check(Error &error) override; + + bool IsEOF() override { + return easy == nullptr && buffer.IsEmpty(); + } + + Tag *ReadTag() override; + + bool IsAvailable() override { + return postponed_error.IsDefined() || easy == nullptr || + !buffer.IsEmpty(); + } + + size_t Read(void *ptr, size_t size, Error &error) override; + bool Seek(offset_type offset, int whence, Error &error) override; }; class CurlMulti; @@ -660,14 +660,7 @@ CurlInputStream::Check(Error &error) return success; } -static bool -input_curl_check(InputStream *is, Error &error) -{ - CurlInputStream &c = *(CurlInputStream *)is; - return c.Check(error); -} - -inline Tag * +Tag * CurlInputStream::ReadTag() { Tag *result = tag; @@ -675,13 +668,6 @@ CurlInputStream::ReadTag() return result; } -static Tag * -input_curl_tag(InputStream *is) -{ - CurlInputStream &c = *(CurlInputStream *)is; - return c.ReadTag(); -} - inline bool CurlInputStream::FillBuffer(Error &error) { @@ -758,14 +744,7 @@ CurlInputStream::CopyIcyTag() tag = new_tag; } -static bool -input_curl_available(InputStream *is) -{ - const CurlInputStream &c = *(const CurlInputStream *)is; - return c.IsAvailable(); -} - -inline size_t +size_t CurlInputStream::Read(void *ptr, size_t read_size, Error &error) { size_t nbytes; @@ -797,21 +776,6 @@ CurlInputStream::Read(void *ptr, size_t read_size, Error &error) return nbytes; } -static size_t -input_curl_read(InputStream *is, void *ptr, size_t size, - Error &error) -{ - CurlInputStream &c = *(CurlInputStream *)is; - return c.Read(ptr, size, error); -} - -static bool -input_curl_eof(gcc_unused InputStream *is) -{ - const CurlInputStream &c = *(const CurlInputStream *)is; - return c.IsEOF(); -} - inline void CurlInputStream::HeaderReceived(const char *name, std::string &&value) { @@ -1091,15 +1055,6 @@ CurlInputStream::Seek(InputPlugin::offset_type new_offset, int whence, return true; } -static bool -input_curl_seek(InputStream *is, InputPlugin::offset_type offset, - int whence, - Error &error) -{ - CurlInputStream &c = *(CurlInputStream *)is; - return c.Seek(offset, whence, error); -} - inline InputStream * CurlInputStream::Open(const char *url, Mutex &mutex, Cond &cond, Error &error) @@ -1136,11 +1091,4 @@ const struct InputPlugin input_plugin_curl = { input_curl_init, input_curl_finish, input_curl_open, - input_curl_check, - nullptr, - input_curl_tag, - input_curl_available, - input_curl_read, - input_curl_eof, - input_curl_seek, }; diff --git a/src/input/plugins/DespotifyInputPlugin.cxx b/src/input/plugins/DespotifyInputPlugin.cxx index 86fbbbad3..faceb6057 100644 --- a/src/input/plugins/DespotifyInputPlugin.cxx +++ b/src/input/plugins/DespotifyInputPlugin.cxx @@ -66,13 +66,15 @@ public: static InputStream *Open(const char *url, Mutex &mutex, Cond &cond, Error &error); - bool IsEOF() const { + void Callback(int sig); + + /* virtual methods from InputStream */ + + bool IsEOF() override { return eof; } - size_t Read(void *ptr, size_t size, Error &error); - - Tag *ReadTag() { + Tag *ReadTag() override { if (tag.IsEmpty()) return nullptr; @@ -81,7 +83,7 @@ public: return result; } - void Callback(int sig); + size_t Read(void *ptr, size_t size, Error &error) override; private: void FillBuffer(); @@ -201,7 +203,7 @@ input_despotify_open(const char *url, Mutex &mutex, Cond &cond, Error &error) return DespotifyInputStream::Open(url, mutex, cond, error); } -inline size_t +size_t DespotifyInputStream::Read(void *ptr, size_t read_size, gcc_unused Error &error) { @@ -217,39 +219,9 @@ DespotifyInputStream::Read(void *ptr, size_t read_size, return to_cpy; } -static size_t -input_despotify_read(InputStream *is, void *ptr, size_t size, Error &error) -{ - DespotifyInputStream *ctx = (DespotifyInputStream *)is; - return ctx->Read(ptr, size, error); -} - -static bool -input_despotify_eof(InputStream *is) -{ - DespotifyInputStream *ctx = (DespotifyInputStream *)is; - - return ctx->IsEOF(); -} - -static Tag * -input_despotify_tag(InputStream *is) -{ - DespotifyInputStream *ctx = (DespotifyInputStream *)is; - - return ctx->ReadTag(); -} - const InputPlugin input_plugin_despotify = { "despotify", nullptr, nullptr, input_despotify_open, - nullptr, - nullptr, - input_despotify_tag, - nullptr, - input_despotify_read, - input_despotify_eof, - nullptr, }; diff --git a/src/input/plugins/FfmpegInputPlugin.cxx b/src/input/plugins/FfmpegInputPlugin.cxx index 366a99f46..de79a09ed 100644 --- a/src/input/plugins/FfmpegInputPlugin.cxx +++ b/src/input/plugins/FfmpegInputPlugin.cxx @@ -56,6 +56,11 @@ struct FfmpegInputStream final : public InputStream { ~FfmpegInputStream() { avio_close(h); } + + /* virtual methods from InputStream */ + bool IsEOF() override; + size_t Read(void *ptr, size_t size, Error &error) override; + bool Seek(offset_type offset, int whence, Error &error) override; }; static constexpr Domain ffmpeg_domain("ffmpeg"); @@ -106,43 +111,35 @@ input_ffmpeg_open(const char *uri, return new FfmpegInputStream(uri, mutex, cond, h); } -static size_t -input_ffmpeg_read(InputStream *is, void *ptr, size_t size, - Error &error) +size_t +FfmpegInputStream::Read(void *ptr, size_t read_size, Error &error) { - FfmpegInputStream *i = (FfmpegInputStream *)is; - - int ret = avio_read(i->h, (unsigned char *)ptr, size); + int ret = avio_read(h, (unsigned char *)ptr, read_size); if (ret <= 0) { if (ret < 0) error.Set(ffmpeg_domain, "avio_read() failed"); - i->eof = true; + eof = true; return false; } - is->offset += ret; + offset += ret; return (size_t)ret; } -static bool -input_ffmpeg_eof(InputStream *is) +bool +FfmpegInputStream::IsEOF() { - FfmpegInputStream *i = (FfmpegInputStream *)is; - - return i->eof; + return eof; } -static bool -input_ffmpeg_seek(InputStream *is, InputPlugin::offset_type offset, - int whence, - Error &error) +bool +FfmpegInputStream::Seek(offset_type new_offset, int whence, Error &error) { - FfmpegInputStream *i = (FfmpegInputStream *)is; - int64_t ret = avio_seek(i->h, offset, whence); + int64_t ret = avio_seek(h, new_offset, whence); if (ret >= 0) { - i->eof = false; + eof = false; return true; } else { error.Set(ffmpeg_domain, "avio_seek() failed"); @@ -155,11 +152,4 @@ const InputPlugin input_plugin_ffmpeg = { input_ffmpeg_init, nullptr, input_ffmpeg_open, - nullptr, - nullptr, - nullptr, - nullptr, - input_ffmpeg_read, - input_ffmpeg_eof, - input_ffmpeg_seek, }; diff --git a/src/input/plugins/FileInputPlugin.cxx b/src/input/plugins/FileInputPlugin.cxx index e96347c6e..7c7b4e85f 100644 --- a/src/input/plugins/FileInputPlugin.cxx +++ b/src/input/plugins/FileInputPlugin.cxx @@ -48,6 +48,15 @@ struct FileInputStream final : public InputStream { ~FileInputStream() { close(fd); } + + /* virtual methods from InputStream */ + + bool IsEOF() override { + return GetOffset() >= GetSize(); + } + + size_t Read(void *ptr, size_t size, Error &error) override; + bool Seek(offset_type offset, int whence, Error &error) override; }; static InputStream * @@ -89,56 +98,37 @@ input_file_open(const char *filename, return new FileInputStream(filename, fd, st.st_size, mutex, cond); } -static bool -input_file_seek(InputStream *is, InputPlugin::offset_type offset, - int whence, - Error &error) +bool +FileInputStream::Seek(InputPlugin::offset_type new_offset, int whence, + Error &error) { - FileInputStream *fis = (FileInputStream *)is; - - offset = (InputPlugin::offset_type)lseek(fis->fd, (off_t)offset, whence); - if (offset < 0) { + new_offset = (InputPlugin::offset_type)lseek(fd, (off_t)new_offset, + whence); + if (new_offset < 0) { error.SetErrno("Failed to seek"); return false; } - is->offset = offset; + offset = new_offset; return true; } -static size_t -input_file_read(InputStream *is, void *ptr, size_t size, - Error &error) +size_t +FileInputStream::Read(void *ptr, size_t read_size, Error &error) { - FileInputStream *fis = (FileInputStream *)is; - ssize_t nbytes; - - nbytes = read(fis->fd, ptr, size); + ssize_t nbytes = read(fd, ptr, read_size); if (nbytes < 0) { error.SetErrno("Failed to read"); return 0; } - is->offset += nbytes; + offset += nbytes; return (size_t)nbytes; } -static bool -input_file_eof(InputStream *is) -{ - return is->GetOffset() >= is->GetSize(); -} - const InputPlugin input_plugin_file = { "file", nullptr, nullptr, input_file_open, - nullptr, - nullptr, - nullptr, - nullptr, - input_file_read, - input_file_eof, - input_file_seek, }; diff --git a/src/input/plugins/MmsInputPlugin.cxx b/src/input/plugins/MmsInputPlugin.cxx index a5d4bc09d..b1ff6a890 100644 --- a/src/input/plugins/MmsInputPlugin.cxx +++ b/src/input/plugins/MmsInputPlugin.cxx @@ -40,7 +40,8 @@ public: protected: virtual bool Open(gcc_unused Error &error) override; - virtual size_t Read(void *ptr, size_t size, Error &error) override; + virtual size_t ThreadRead(void *ptr, size_t size, + Error &error) override; virtual void Close() { mmsx_close(mms); @@ -89,7 +90,7 @@ input_mms_open(const char *url, } size_t -MmsInputStream::Read(void *ptr, size_t read_size, Error &error) +MmsInputStream::ThreadRead(void *ptr, size_t read_size, Error &error) { int nbytes = mmsx_read(nullptr, mms, (char *)ptr, read_size); if (nbytes <= 0) { @@ -106,11 +107,4 @@ const InputPlugin input_plugin_mms = { nullptr, nullptr, input_mms_open, - ThreadInputStream::Check, - nullptr, - nullptr, - ThreadInputStream::Available, - ThreadInputStream::Read, - ThreadInputStream::IsEOF, - nullptr, }; diff --git a/src/input/plugins/NfsInputPlugin.cxx b/src/input/plugins/NfsInputPlugin.cxx index 19eda0605..d667e8f2d 100644 --- a/src/input/plugins/NfsInputPlugin.cxx +++ b/src/input/plugins/NfsInputPlugin.cxx @@ -54,33 +54,42 @@ public: nfs_destroy_context(ctx); } - bool IsEOF() const { + /* virtual methods from InputStream */ + + bool IsEOF() override { return offset >= size; } - size_t Read(void *ptr, size_t read_size, Error &error) { - int nbytes = nfs_read(ctx, fh, read_size, (char *)ptr); - if (nbytes < 0) { - error.SetErrno(-nbytes, "nfs_read() failed"); - nbytes = 0; - } + size_t Read(void *ptr, size_t size, Error &error) override; + bool Seek(offset_type offset, int whence, Error &error) override; +}; - return nbytes; +size_t +NfsInputStream::Read(void *ptr, size_t read_size, Error &error) +{ + int nbytes = nfs_read(ctx, fh, read_size, (char *)ptr); + if (nbytes < 0) { + error.SetErrno(-nbytes, "nfs_read() failed"); + nbytes = 0; } - bool Seek(InputStream::offset_type new_offset, int whence, Error &error) { - uint64_t current_offset; - int result = nfs_lseek(ctx, fh, new_offset, whence, - ¤t_offset); - if (result < 0) { - error.SetErrno(-result, "smbc_lseek() failed"); - return false; - } - - offset = current_offset; - return true; + return nbytes; +} + +bool +NfsInputStream::Seek(offset_type new_offset, int whence, Error &error) +{ + uint64_t current_offset; + int result = nfs_lseek(ctx, fh, new_offset, whence, + ¤t_offset); + if (result < 0) { + error.SetErrno(-result, "smbc_lseek() failed"); + return false; } -}; + + offset = current_offset; + return true; +} /* * InputPlugin methods @@ -148,40 +157,9 @@ input_nfs_open(const char *uri, return new NfsInputStream(uri, mutex, cond, ctx, fh, st.st_size); } -static size_t -input_nfs_read(InputStream *is, void *ptr, size_t size, - Error &error) -{ - NfsInputStream &s = *(NfsInputStream *)is; - return s.Read(ptr, size, error); -} - -static bool -input_nfs_eof(InputStream *is) -{ - NfsInputStream &s = *(NfsInputStream *)is; - return s.IsEOF(); -} - -static bool -input_nfs_seek(InputStream *is, - InputPlugin::offset_type offset, int whence, - Error &error) -{ - NfsInputStream &s = *(NfsInputStream *)is; - return s.Seek(offset, whence, error); -} - const InputPlugin input_plugin_nfs = { "nfs", nullptr, nullptr, input_nfs_open, - nullptr, - nullptr, - nullptr, - nullptr, - input_nfs_read, - input_nfs_eof, - input_nfs_seek, }; diff --git a/src/input/plugins/RewindInputPlugin.cxx b/src/input/plugins/RewindInputPlugin.cxx index b1ec3ab62..b11fd8b80 100644 --- a/src/input/plugins/RewindInputPlugin.cxx +++ b/src/input/plugins/RewindInputPlugin.cxx @@ -26,7 +26,12 @@ #include #include -extern const InputPlugin rewind_input_plugin; +static const InputPlugin rewind_input_plugin = { + nullptr, + nullptr, + nullptr, + nullptr, +}; class RewindInputStream final : public InputStream { InputStream *input; @@ -63,30 +68,31 @@ public: delete input; } - bool Check(Error &error) { + /* virtual methods from InputStream */ + + bool Check(Error &error) override { return input->Check(error); } - void Update() { + void Update() override { if (!ReadingFromBuffer()) CopyAttributes(); } - Tag *ReadTag() { - return input->ReadTag(); + bool IsEOF() override { + return !ReadingFromBuffer() && input->IsEOF(); } - bool IsAvailable() { - return input->IsAvailable(); + Tag *ReadTag() override { + return input->ReadTag(); } - size_t Read(void *ptr, size_t size, Error &error); - - bool IsEOF() { - return !ReadingFromBuffer() && input->IsEOF(); + bool IsAvailable() override { + return input->IsAvailable(); } - bool Seek(InputPlugin::offset_type offset, int whence, Error &error); + size_t Read(void *ptr, size_t size, Error &error) override; + bool Seek(offset_type offset, int whence, Error &error) override; private: /** @@ -121,39 +127,7 @@ private: } }; -static bool -input_rewind_check(InputStream *is, Error &error) -{ - RewindInputStream *r = (RewindInputStream *)is; - - return r->Check(error); -} - -static void -input_rewind_update(InputStream *is) -{ - RewindInputStream *r = (RewindInputStream *)is; - - r->Update(); -} - -static Tag * -input_rewind_tag(InputStream *is) -{ - RewindInputStream *r = (RewindInputStream *)is; - - return r->ReadTag(); -} - -static bool -input_rewind_available(InputStream *is) -{ - RewindInputStream *r = (RewindInputStream *)is; - - return r->IsAvailable(); -} - -inline size_t +size_t RewindInputStream::Read(void *ptr, size_t read_size, Error &error) { if (ReadingFromBuffer()) { @@ -193,23 +167,6 @@ RewindInputStream::Read(void *ptr, size_t read_size, Error &error) } } -static size_t -input_rewind_read(InputStream *is, void *ptr, size_t size, - Error &error) -{ - RewindInputStream *r = (RewindInputStream *)is; - - return r->Read(ptr, size, error); -} - -static bool -input_rewind_eof(InputStream *is) -{ - RewindInputStream *r = (RewindInputStream *)is; - - return r->IsEOF(); -} - inline bool RewindInputStream::Seek(InputPlugin::offset_type new_offset, int whence, Error &error) @@ -240,30 +197,6 @@ RewindInputStream::Seek(InputPlugin::offset_type new_offset, int whence, } } -static bool -input_rewind_seek(InputStream *is, InputPlugin::offset_type offset, - int whence, - Error &error) -{ - RewindInputStream *r = (RewindInputStream *)is; - - return r->Seek(offset, whence, error); -} - -const InputPlugin rewind_input_plugin = { - nullptr, - nullptr, - nullptr, - nullptr, - input_rewind_check, - input_rewind_update, - input_rewind_tag, - input_rewind_available, - input_rewind_read, - input_rewind_eof, - input_rewind_seek, -}; - InputStream * input_rewind_open(InputStream *is) { diff --git a/src/input/plugins/SmbclientInputPlugin.cxx b/src/input/plugins/SmbclientInputPlugin.cxx index 07ffb83c4..01ee2616a 100644 --- a/src/input/plugins/SmbclientInputPlugin.cxx +++ b/src/input/plugins/SmbclientInputPlugin.cxx @@ -50,34 +50,14 @@ public: smbclient_mutex.unlock(); } - bool IsEOF() const { - return offset >= size; - } - - size_t Read(void *ptr, size_t read_size, Error &error) { - smbclient_mutex.lock(); - ssize_t nbytes = smbc_read(fd, ptr, read_size); - smbclient_mutex.unlock(); - if (nbytes < 0) { - error.SetErrno("smbc_read() failed"); - nbytes = 0; - } + /* virtual methods from InputStream */ - return nbytes; + bool IsEOF() override { + return offset >= size; } - bool Seek(InputStream::offset_type new_offset, int whence, Error &error) { - smbclient_mutex.lock(); - off_t result = smbc_lseek(fd, new_offset, whence); - smbclient_mutex.unlock(); - if (result < 0) { - error.SetErrno("smbc_lseek() failed"); - return false; - } - - offset = result; - return true; - } + size_t Read(void *ptr, size_t size, Error &error) override; + bool Seek(offset_type offset, int whence, Error &error) override; }; /* @@ -141,28 +121,34 @@ input_smbclient_open(const char *uri, return new SmbclientInputStream(uri, mutex, cond, ctx, fd, st); } -static size_t -input_smbclient_read(InputStream *is, void *ptr, size_t size, - Error &error) +size_t +SmbclientInputStream::Read(void *ptr, size_t read_size, Error &error) { - SmbclientInputStream &s = *(SmbclientInputStream *)is; - return s.Read(ptr, size, error); -} + smbclient_mutex.lock(); + ssize_t nbytes = smbc_read(fd, ptr, read_size); + smbclient_mutex.unlock(); + if (nbytes < 0) { + error.SetErrno("smbc_read() failed"); + nbytes = 0; + } -static bool -input_smbclient_eof(InputStream *is) -{ - SmbclientInputStream &s = *(SmbclientInputStream *)is; - return s.IsEOF(); + return nbytes; } -static bool -input_smbclient_seek(InputStream *is, - InputPlugin::offset_type offset, int whence, - Error &error) +bool +SmbclientInputStream::Seek(InputStream::offset_type new_offset, + int whence, Error &error) { - SmbclientInputStream &s = *(SmbclientInputStream *)is; - return s.Seek(offset, whence, error); + smbclient_mutex.lock(); + off_t result = smbc_lseek(fd, new_offset, whence); + smbclient_mutex.unlock(); + if (result < 0) { + error.SetErrno("smbc_lseek() failed"); + return false; + } + + offset = result; + return true; } const InputPlugin input_plugin_smbclient = { @@ -170,11 +156,4 @@ const InputPlugin input_plugin_smbclient = { input_smbclient_init, nullptr, input_smbclient_open, - nullptr, - nullptr, - nullptr, - nullptr, - input_smbclient_read, - input_smbclient_eof, - input_smbclient_seek, }; 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