72 lines
1.9 KiB
C++
72 lines
1.9 KiB
C++
#ifndef INCLUDED_ECA_CONTROL_POSITION_H
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#define INCLUDED_ECA_CONTROL_POSITION_H
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#include "sample-specs.h"
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#include "eca-audio-position.h"
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/**
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* Virtual class implementing position and
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* length related chainsetup features.
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*/
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class ECA_CHAINSETUP_POSITION : public ECA_AUDIO_POSITION {
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public:
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/** @name Init and cleaup */
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/*@{*/
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ECA_CHAINSETUP_POSITION(void);
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virtual ~ECA_CHAINSETUP_POSITION(void);
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/*@}*/
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/** @name Public getter/setter functions for max length information.
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* Note that this length information is different from
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* that defined in ECA_AUDIO_POSITION. Max length can be
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* set by the users of this class, and can be either shorter
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* or longer than the actual length. */
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/*@{*/
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void set_max_length_in_samples(SAMPLE_SPECS::sample_pos_t pos);
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void set_max_length_in_seconds(double pos_in_seconds);
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inline bool is_over_max_length(void) const { return((position_in_samples() > max_length_in_samples() && max_length_set() == true) ? true : false); }
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SAMPLE_SPECS::sample_pos_t max_length_in_samples(void) const;
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double max_length_in_seconds_exact(void) const;
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bool max_length_set(void) const { return(max_length_set_rep); }
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/*@}*/
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/** @name Functions reimplemented from ECA_SAMPLERATE_AWARE */
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/*@{*/
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virtual void set_samples_per_second(SAMPLE_SPECS::sample_rate_t new_value);
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/*@}*/
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/** @name Functions implemented from ECA_AUDIO_POSITION */
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/*@{*/
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virtual bool supports_seeking(void) const { return true; }
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virtual bool supports_seeking_sample_accurate(void) const { return true; }
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/*@}*/
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protected:
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/** @name Protected functions for controlling looping */
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/*@{*/
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void toggle_looping(bool v) { looping_rep = v; }
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bool looping_enabled(void) const { return(looping_rep); }
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/*@}*/
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private:
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bool looping_rep, max_length_set_rep;
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SAMPLE_SPECS::sample_pos_t max_length_in_samples_rep;
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};
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#endif
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