36 lines
802 B
C
36 lines
802 B
C
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#ifndef FRAME_ESTIMATER_H
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#define FRAME_ESTIMATER_H
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#include <unistd.h>
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#include <stdlib.h>
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#include <pthread.h>
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#define FRAMERATE_ARRAY_SIZE 4
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#define FRAMERATE_START_ESTIMATE_SIZE 2
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typedef struct FramerateEstimater
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{
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int64_t nPts[FRAMERATE_ARRAY_SIZE];
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int nWritePos;
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int nValidPtsCnt;
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int nFrameDuration;
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pthread_mutex_t mutex;
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}FramerateEstimater;
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FramerateEstimater* FramerateEstimaterCreate(void);
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void FramerateEstimaterDestroy(FramerateEstimater* fe);
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void FramerateEstimaterUpdate(FramerateEstimater* fe, int64_t nPts);
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int FramerateEstimaterGetFramerate(FramerateEstimater* fe);
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int FramerateEstimaterGetFrameDuration(FramerateEstimater* fe); //* in unit of us.
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void FramerateEstimaterReset(FramerateEstimater* fe);
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#endif
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