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Changing vertical zoom will now also change the playback volume

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Originally committed to SVN as r88.
This commit is contained in:
Rodrigo Braz Monteiro 2006-02-20 23:54:15 +00:00
parent c31367c761
commit bd116bd286
4 changed files with 8 additions and 4 deletions
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4
core/audio_box.cpp
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@ -63,11 +63,9 @@ wxPanel(parent,-1,wxDefaultPosition,wxDefaultSize,wxTAB_TRAVERSAL|wxBORDER_RAISE
audioScroll = new wxScrollBar(this,Audio_Scrollbar);
audioScroll->SetToolTip(_("Seek bar"));
Sash = new wxSashWindow(this,Audio_Sash,wxDefaultPosition,wxDefaultSize,wxCLIP_CHILDREN | wxSW_3DBORDER);
//Sash = new wxSashLayoutWindow(this,Audio_Sash,wxDefaultPosition,wxDefaultSize);
sashSizer = new wxBoxSizer(wxVERTICAL);
audioDisplay = new AudioDisplay(Sash,display);
sashSizer->Add(audioDisplay,1,wxEXPAND,0);
//sashSizer->SetSizeHints(Sash);
Sash->SetSizer(sashSizer);
Sash->SetSashVisible(wxSASH_BOTTOM,true);
Sash->SetSashBorder(wxSASH_BOTTOM,true);
@ -77,7 +75,7 @@ wxPanel(parent,-1,wxDefaultPosition,wxDefaultSize,wxTAB_TRAVERSAL|wxBORDER_RAISE
HorizontalZoom = new wxSlider(this,Audio_Horizontal_Zoom,50,0,100,wxDefaultPosition,wxSize(-1,20),wxSL_VERTICAL);
HorizontalZoom->SetToolTip(_("Horizontal zoom"));
VerticalZoom = new wxSlider(this,Audio_Vertical_Zoom,50,0,100,wxDefaultPosition,wxSize(-1,20),wxSL_VERTICAL|wxSL_INVERSE);
VerticalZoom->SetToolTip(_("Vertical zoom"));
VerticalZoom->SetToolTip(_("Vertical zoom/Volume"));
// Display sizer
DisplaySizer = new wxBoxSizer(wxVERTICAL);

1
core/audio_display.cpp
View file

@ -729,6 +729,7 @@ void AudioDisplay::UpdateSamples() {
void AudioDisplay::SetScale(float _scale) {
if (scale == _scale) return;
scale = _scale;
provider->volume = scale;
UpdateImage();
}

6
core/audio_provider.cpp
View file

@ -68,6 +68,7 @@ AudioProvider::AudioProvider(wxString _filename, AudioDisplay *_display) {
raw = NULL;
display = _display;
blockcount = 0;
volume = 1.0f;
filename = _filename;
@ -501,8 +502,11 @@ int paCallback(void *inputBuffer, void *outputBuffer, unsigned long framesPerBuf
provider->softStop = true;
}
// Fill rest with blank
// Set volume
short *output = (short*) outputBuffer;
for (unsigned int i=0;i<avail;i++) output[i] = MID(-(1<<15),int(output[i] * provider->volume),(1<<15)-1);
// Fill rest with blank
for (unsigned int i=avail;i<framesPerBuffer;i++) output[i]=0;
// Set play position (and real one)

1
core/audio_provider.h
View file

@ -105,6 +105,7 @@ public:
bool softStop;
bool playing;
bool spectrum;
float volume;
volatile __int64 playPos;
volatile __int64 startPos;