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Add some vaguely interesting stats

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Henrik Rydgård 2020-05-16 22:24:20 +02:00
parent 06c22497b7
commit 8b5b7d2496
2 changed files with 35 additions and 6 deletions
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27
Core/HW/StereoResampler.cpp
View file

@ -32,6 +32,7 @@
#include <cstring>
#include "base/logging.h"
#include "base/timeutil.h"
#include "base/NativeApp.h"
#include "Common/ChunkFile.h"
#include "Common/MathUtil.h"
@ -212,6 +213,9 @@ unsigned int StereoResampler::Mix(short* samples, unsigned int numSamples, bool
if (currentSample < numSamples * 2)
underrunCount_++;
// Let's not count the padding here.
outputSampleCount_ += currentSample / 2;
// Padding with the last value to reduce clicking
short s[2];
s[0] = clamp_s16(m_buffer[(indexR - 1) & INDEX_MASK]);
@ -233,6 +237,8 @@ unsigned int StereoResampler::Mix(short* samples, unsigned int numSamples, bool
}
void StereoResampler::PushSamples(const s32 *samples, unsigned int num_samples) {
inputSampleCount_ += num_samples;
UpdateBufferSize();
const int INDEX_MASK = (m_bufsize * 2 - 1);
// Cache access in non-volatile variable
@ -241,9 +247,10 @@ void StereoResampler::PushSamples(const s32 *samples, unsigned int num_samples)
u32 indexW = Common::AtomicLoad(m_indexW);
u32 cap = m_bufsize * 2;
// If unthottling, no need to fill up the entire buffer, just screws up timing after releasing unthrottle.
if (PSP_CoreParameter().unthrottle)
// If unthrottling, no need to fill up the entire buffer, just screws up timing after releasing unthrottle.
if (PSP_CoreParameter().unthrottle) {
cap = m_lowwatermark * 2;
}
// Check if we have enough free space
// indexW == m_indexR results in empty buffer, so indexR must always be smaller than indexW
@ -267,11 +274,17 @@ void StereoResampler::PushSamples(const s32 *samples, unsigned int num_samples)
}
void StereoResampler::GetAudioDebugStats(char *buf, size_t bufSize) {
double elapsed = real_time_now() - startTime_;
double effective_input_sample_rate = (double)inputSampleCount_ / elapsed;
double effective_output_sample_rate = (double)outputSampleCount_ / elapsed;
snprintf(buf, bufSize,
"Audio buffer: %d/%d (low watermark: %d)\n"
"Underruns: %d\n"
"Overruns: %d\n"
"Sample rate: %d (input: %d)\n"
"Effective input sample rate: %0.2f\n"
"Effective output sample rate: %0.2f\n"
"Push size: %d\n",
lastBufSize_,
m_bufsize * 2,
@ -280,11 +293,18 @@ void StereoResampler::GetAudioDebugStats(char *buf, size_t bufSize) {
overrunCountTotal_,
(int)sample_rate_,
m_input_sample_rate,
effective_input_sample_rate,
effective_output_sample_rate,
lastPushSize_);
underrunCountTotal_ += underrunCount_;
overrunCountTotal_ += overrunCount_;
underrunCount_ = 0;
overrunCount_ = 0;
// Try to remove the bias from the startup.
if (elapsed > 3.0) {
//ResetStatCounters();
}
}
void StereoResampler::ResetStatCounters() {
@ -292,6 +312,9 @@ void StereoResampler::ResetStatCounters() {
overrunCount_ = 0;
underrunCountTotal_ = 0;
overrunCountTotal_ = 0;
inputSampleCount_ = 0;
outputSampleCount_ = 0;
startTime_ = real_time_now();
}
void StereoResampler::SetInputSampleRate(unsigned int rate) {

14
Core/HW/StereoResampler.h
View file

@ -19,7 +19,7 @@
#pragma once
#include <string>
#include <cstdint>
#include "Common/ChunkFile.h"
#include "Common/CommonTypes.h"
@ -57,11 +57,17 @@ protected:
volatile u32 m_indexR = 0;
float m_numLeftI = 0.0f;
u32 m_frac = 0;
float sample_rate_ = 0.0;
int lastBufSize_ = 0;
int lastPushSize_ = 0;
int underrunCount_ = 0;
int overrunCount_ = 0;
int underrunCountTotal_ = 0;
int overrunCountTotal_ = 0;
float sample_rate_ = 0.0;
int lastBufSize_ = 0;
int lastPushSize_ = 0;
int64_t inputSampleCount_ = 0;
int64_t outputSampleCount_ = 0;
double startTime_ = 0.0;
};