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author | Michele Calgaro <michele.calgaro@yahoo.it> | 2022-05-30 19:40:31 +0900 |
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committer | Slávek Banko <slavek.banko@axis.cz> | 2022-05-30 21:55:12 +0200 |
commit | 9d7329284fd42187092c829ae6ed030561002776 (patch) | |
tree | 1d53503d17938eca725caee7ff783fccf52ca509 /src/include/multibuffer.h | |
parent | fac82f62f156c76cb4b23c313111283b30a778b5 (diff) | |
download | tderadio-9d732928.tar.gz tderadio-9d732928.zip |
Standardize folder structure.
Signed-off-by: Michele Calgaro <michele.calgaro@yahoo.it>
(cherry picked from commit d95a4fea540b371fa86493d069fdbd54f33c5b40)
Diffstat (limited to 'src/include/multibuffer.h')
-rw-r--r-- | src/include/multibuffer.h | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/src/include/multibuffer.h b/src/include/multibuffer.h new file mode 100644 index 0000000..e0ed05c --- /dev/null +++ b/src/include/multibuffer.h @@ -0,0 +1,65 @@ +/*************************************************************************** + multibuffer.h + ------------------- + begin : Sat Aug 20 2005 + copyright : (C) 2005 by Martin Witte + email : witte@kawo1.rwth-aachen.de + ***************************************************************************/ + +/*************************************************************************** + * * + * This program is free software; you can redistribute it and/or modify * + * it under the terms of the GNU General Public License as published by * + * the Free Software Foundation; either version 2 of the License, or * + * (at your option) any later version. * + * * + ***************************************************************************/ + +#ifndef KRADIO_MULTIBUFFER_H +#define KRADIO_MULTIBUFFER_H + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif + +#include <tqsemaphore.h> +#include <tqstring.h> + +class MultiBuffer +{ +public: + MultiBuffer(size_t n_buffers, size_t buffersize); + ~MultiBuffer(); + + char *lockWriteBuffer (size_t &bufferSize); + bool unlockWriteBuffer (size_t bufferSize); // return value: complete buffer full / ready for read + void unlockAllWriteBuffers(); + char *wait4ReadBuffer (size_t &buffer_fill); + char *getCurrentReadBuffer(size_t &buffer_fill) const; + + const TQString &getErrorString() const { return m_errorString; } + bool hasError() const { return m_error; } + void resetError(); + + size_t getWriteBufferFill() const { return (m_currentReadBuffer != m_currentWriteBuffer) ? m_buffersFill[m_currentWriteBuffer] : 0; } + size_t getAvailableWriteBuffer() const; + size_t getAvailableReadBuffers() const; + size_t getCurrentReadBufferIdx() const { return m_currentReadBuffer; } + size_t getCurrentWriteBufferIdx() const { return m_currentWriteBuffer; } + +protected: + + size_t m_nBuffers; + size_t m_BufferSize; + + char **m_buffers; + size_t *m_buffersFill; + size_t m_currentReadBuffer; + size_t m_currentWriteBuffer; + TQSemaphore m_readLock; + + TQString m_errorString; + bool m_error; +}; + +#endif |