audioblock.h

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#pragma once
 
#include <functional>
#include <promeki/core/namespace.h>
#include <promeki/core/objectbase.h>
#include <promeki/core/stringlist.h>
 
PROMEKI_NAMESPACE_BEGIN
 
class String;
class AudioDesc;
 
class AudioBlock : public ObjectBase {
        PROMEKI_OBJECT(AudioBlock, ObjectBase);
        public: 
                class Config {
                        public:
                                size_t  sourceChannels = 0;
                                 size_t  sinkChannels = 0;
                };
 
                AudioBlock(const Config &config, ObjectBase *parent = nullptr);
 
                virtual ~AudioBlock() {}
 
                bool isSource() const { return _blockConfig.sourceChannels > 0; }
 
                bool isSourceValid(size_t val) const { return val < _blockConfig.sourceChannels; }
                
                size_t sourceChannels() const { return _blockConfig.sourceChannels; }
 
                virtual AudioDesc sourceDesc(size_t channel) const;
 
                virtual bool setSourceDesc(size_t channel, const AudioDesc &val);
 
                virtual String sourceName(size_t channel) const;
 
                virtual bool setSourceName(size_t channel, const String &val);
 
                virtual ssize_t sourceSamplesAvailable(size_t channel) const;
 
                PROMEKI_SIGNAL(sourceHasSamples, AudioBlock *, size_t);
 
                bool isSink() const { return _blockConfig.sinkChannels > 0; }
 
                bool isSinkValid(size_t val) const { return val < _blockConfig.sinkChannels; }
 
                size_t sinkChannels() const { return _blockConfig.sinkChannels; }
 
                virtual AudioDesc sinkDesc(size_t channel) const;
 
                virtual bool setSinkDesc(size_t channel, const AudioDesc &val);
 
                virtual String sinkName(size_t channel) const;
 
                virtual bool setSinkName(size_t channel, const String &val);
 
                virtual ssize_t sinkSamplesAllowed(size_t channel) const;
 
                PROMEKI_SIGNAL(sinkReadyForSamples, AudioBlock *, size_t);
 
        private:
                Config          _blockConfig;
                StringList      _sourceNameList;
                StringList      _sinkNameList;
 
};
 
PROMEKI_NAMESPACE_END