75 lines
2.1 KiB
C
75 lines
2.1 KiB
C
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////////////////////////////////////////////////////////////////////////////////
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// //
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// File: xcodec_filter.h //
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// Description: instantiation of encoder/decoder in a data filter pair //
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// Project: WANProxy XTech //
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// Author: Andreu Vidal Bramfeld-Software //
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// Last modified: 2015-08-31 //
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// //
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////////////////////////////////////////////////////////////////////////////////
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#ifndef XCODEC_FILTER_H
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#define XCODEC_FILTER_H
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#include <set>
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#include <common/filter.h>
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#include <xcodec/xcodec.h>
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#include <xcodec/xcodec_cache.h>
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#include <xcodec/xcodec_hash.h>
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#include <xcodec/xcodec_encoder.h>
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#include <xcodec/xcodec_decoder.h>
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class EncodeFilter : public BufferedFilter
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{
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private:
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XCodecCache* cache_;
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XCodecEncoder* encoder_;
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bool sent_eos_;
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bool eos_ack_;
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public:
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EncodeFilter (const LogHandle& log, XCodecCache* cc) : BufferedFilter (log)
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{
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cache_ = cc; encoder_ = 0; sent_eos_ = eos_ack_ = false;
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}
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virtual ~EncodeFilter ()
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{
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delete encoder_;
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}
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virtual bool consume (Buffer& buf);
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virtual void flush (int flg);
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};
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class DecodeFilter : public LogisticFilter
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{
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private:
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XCodecCache* encoder_cache_;
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XCodecDecoder* decoder_;
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XCodecCache* decoder_cache_;
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std::set<uint64_t> unknown_hashes_;
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Buffer frame_buffer_;
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bool received_eos_;
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bool sent_eos_ack_;
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bool received_eos_ack_;
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bool upflushed_;
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public:
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DecodeFilter (const LogHandle& log, XCodecCache* cc) : LogisticFilter (log)
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{
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encoder_cache_ = cc; decoder_ = 0; decoder_cache_ = 0;
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received_eos_ = sent_eos_ack_ = received_eos_ack_ = upflushed_ = false;
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}
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~DecodeFilter ()
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{
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delete decoder_;
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}
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virtual bool consume (Buffer& buf);
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virtual void flush (int flg);
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};
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#endif /* !XCODEC_FILTER_H */
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