bitlair/bitvis
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added: frame timing

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This commit is contained in:
Bob 2012-11-17 01:12:47 +01:00
parent 501b3ddabc
commit 10c55c8db4
3 changed files with 21 additions and 5 deletions
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14
src/bitvis.cpp
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@ -181,11 +181,12 @@ void CBitVis::ProcessSignalfd()
void CBitVis::ProcessAudio()
{
const int bins = 1024;
const int lines = 46;
const int lines = 40;
const float decay = 0.5;
int samplerate;
int samples;
if ((samples = m_jackclient.GetAudio(m_buf, m_bufsize, samplerate)) > 0)
int64_t audiotime;
if ((samples = m_jackclient.GetAudio(m_buf, m_bufsize, samplerate, audiotime)) > 0)
{
m_fft.Allocate(bins * 2);
if (!m_fftbuf)
@ -248,7 +249,14 @@ void CBitVis::ProcessAudio()
start = next;
add += increase;
}
printf("start\n%send\n", out.c_str());
int64_t sleeptime = audiotime + Round64(1000000.0 / (double)samplerate * (double)i) - GetTimeUs();
USleep(sleeptime);
static int64_t prev;
int64_t now = GetTimeUs();
int64_t interval = now - prev;
prev = now;
printf("samples:%i\nsleeptime:%" PRIi64"\ninterval:%" PRIi64 "\nstart\n%send\n", samples, sleeptime, interval, out.c_str());
fflush(stdout);
memset(m_fftbuf, 0, bins * sizeof(float));