visualizer: set refresh rate to 0.5 sec if mpd is not playing

This commit is contained in:
Andrzej Rybczak
2010-04-01 13:33:27 +02:00
parent 230b6ae3e3
commit e6757c4b20
3 changed files with 20 additions and 14 deletions

View File

@@ -41,6 +41,8 @@ const unsigned Visualizer::Samples = 2048;
const unsigned Visualizer::FFTResults = Samples/2+1;
#endif // HAVE_FFTW3_H
int Visualizer::WindowTimeout = 1000/25; /* 25 fps */
void Visualizer::Init()
{
w = new Window(0, MainStartY, COLS, MainHeight, "", Config.main_color, brNone);
@@ -82,7 +84,7 @@ void Visualizer::SwitchTo()
itsTimer.tv_usec = 0;
if (itsFifo >= 0)
Global::wFooter->SetTimeout(1000/25);
Global::wFooter->SetTimeout(WindowTimeout);
Global::RedrawHeader = 1;
}
@@ -103,13 +105,11 @@ void Visualizer::Update()
if (itsFifo < 0)
return;
// if mpd is stopped, clear the screen
if (!Mpd.isPlaying())
{
w->Clear();
w->Refresh();
// it supports only PCM in format 44100:16:1
static int16_t buf[Samples];
ssize_t data = read(itsFifo, buf, sizeof(buf));
if (data < 0) // no data available in fifo
return;
}
if (itsOutputID != -1 && Global::Timer.tv_sec > itsTimer.tv_sec+Config.visualizer_sync_interval)
{
@@ -119,12 +119,6 @@ void Visualizer::Update()
gettimeofday(&itsTimer, 0);
}
// it supports only PCM in format 44100:16:1
static int16_t buf[Samples];
ssize_t data = read(itsFifo, buf, sizeof(buf));
if (data < 0) // no data available in fifo
return;
w->Clear();
# ifdef HAVE_FFTW3_H
Config.visualizer_use_wave ? DrawSoundWave(buf, data) : DrawFrequencySpectrum(buf, data);