state_audio_decoder_summary Struct Reference

Collaboration diagram for state_audio_decoder_summary:

Public Member Functions
	~state_audio_decoder_summary ()
void	update (unsigned long int bufnum)

Private Member Functions
void	print () const

Private Attributes
unsigned long int	last_bufnum = -1
int64_t	missed = 0
int64_t	played = 0
steady_clock::time_point	t_last = steady_clock::now()

Detailed Description

Definition at line 106 of file audio_decoders.cpp.

Constructor & Destructor Documentation

~state_audio_decoder_summary()

state_audio_decoder_summary::~state_audio_decoder_summary ( )

inline

Definition at line 122 of file audio_decoders.cpp.

                                       {
                print();
        }

References print().

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Member Function Documentation

print()

void state_audio_decoder_summary::print ( ) const

inlineprivate

Definition at line 114 of file audio_decoders.cpp.

                           {
                LOG(LOG_LEVEL_INFO)
                    << SUNDERLINE("Audio dec stats")
                    << " (cumulative): " << SBOLD(played) << " played / "
                    << SBOLD(played + missed) << " total audio frames\n";
        }

References LOG, LOG_LEVEL_INFO, missed, played, SBOLD, and SUNDERLINE.

Referenced by ~state_audio_decoder_summary(), and update().

update()

void state_audio_decoder_summary::update ( unsigned long int bufnum )

inline

Definition at line 126 of file audio_decoders.cpp.

                                              {
                if (last_bufnum != static_cast<unsigned long int>(-1)) {
                        if ((last_bufnum + 1) % (1U<<BUFNUM_BITS) == bufnum) {
                                played += 1;
                        } else {
                                unsigned long int diff = (bufnum - last_bufnum + 1 + (1U<<BUFNUM_BITS)) % (1U<<BUFNUM_BITS);
                                if (diff >= (1U<<BUFNUM_BITS) / 2) {
                                        diff -= (1U<<BUFNUM_BITS) / 2;
                                }
                                missed += diff;
                        }
                }
                last_bufnum = bufnum;
 
                auto now = steady_clock::now();
                if (duration_cast<seconds>(steady_clock::now() - t_last).count() > CUMULATIVE_REPORTS_INTERVAL) {
                        print();
                        t_last = now;
                }
        }

References BUFNUM_BITS, count, CUMULATIVE_REPORTS_INTERVAL, last_bufnum, missed, played, print(), and t_last.

Referenced by decode_audio_frame().

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Member Data Documentation

last_bufnum

unsigned long int state_audio_decoder_summary::last_bufnum = -1

private

Definition at line 108 of file audio_decoders.cpp.

Referenced by update().

missed

int64_t state_audio_decoder_summary::missed = 0

private

Definition at line 110 of file audio_decoders.cpp.

Referenced by print(), and update().

played

int64_t state_audio_decoder_summary::played = 0

private

Definition at line 109 of file audio_decoders.cpp.

Referenced by print(), and update().

t_last

steady_clock::time_point state_audio_decoder_summary::t_last = steady_clock::now()

private

Definition at line 112 of file audio_decoders.cpp.

Referenced by update().

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The documentation for this struct was generated from the following file:

• src/rtp/audio_decoders.cpp