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[SNDVOL32] Implement the volume and balance trackbar for mono and stereo lines.

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This commit is contained in:
Eric Kohl 2019-02-10 22:17:15 +01:00
parent 6295cc506e
commit 397fe9c817
1 changed files with 83 additions and 12 deletions
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95
base/applications/sndvol32/sndvol32.c
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@ -632,7 +632,7 @@ SetVolumeCallback(PSND_MIXER Mixer, DWORD LineID, LPMIXERLINE Line, PVOID Ctx)
{
UINT ControlCount = 0, Index;
LPMIXERCONTROL Control = NULL;
MIXERCONTROLDETAILS_UNSIGNED uDetails;
PMIXERCONTROLDETAILS_UNSIGNED puDetails = NULL;
MIXERCONTROLDETAILS_BOOLEAN bDetails;
PSET_VOLUME_CONTEXT Context = (PSET_VOLUME_CONTEXT)Ctx;
@ -650,6 +650,10 @@ SetVolumeCallback(PSND_MIXER Mixer, DWORD LineID, LPMIXERLINE Line, PVOID Ctx)
return FALSE;
}
puDetails = HeapAlloc(GetProcessHeap(), 0, Line->cChannels * sizeof(MIXERCONTROLDETAILS_UNSIGNED));
if (puDetails == NULL)
return FALSE;
/* now go through all controls and compare control ids */
for (Index = 0; Index < ControlCount; Index++)
{
@ -657,13 +661,63 @@ SetVolumeCallback(PSND_MIXER Mixer, DWORD LineID, LPMIXERLINE Line, PVOID Ctx)
{
if ((Control[Index].dwControlType & MIXERCONTROL_CT_CLASS_MASK) == MIXERCONTROL_CT_CLASS_FADER)
{
DWORD Step = (Control[Index].Bounds.dwMaximum - Control[Index].Bounds.dwMinimum) / (VOLUME_MAX - VOLUME_MIN);
DWORD LineOffset, volumePosition, balancePosition;
DWORD volumeStep, balanceStep;
/* set up details */
uDetails.dwValue = ((VOLUME_MAX - Context->SliderPos) * Step) + Control[Index].Bounds.dwMinimum;
LineOffset = Context->SliderPos;
volumePosition = (DWORD)SendDlgItemMessage(Preferences.MixerWindow->hWnd, LineOffset * IDC_LINE_SLIDER_VERT, TBM_GETPOS, 0, 0);
volumeStep = (Control[Index].Bounds.dwMaximum - Control[Index].Bounds.dwMinimum) / (VOLUME_MAX - VOLUME_MIN);
if (Line->cChannels == 1)
{
/* set up details */
puDetails[0].dwValue = ((VOLUME_MAX - volumePosition) * volumeStep) + Control[Index].Bounds.dwMinimum;
}
else if (Line->cChannels == 2)
{
balancePosition = (DWORD)SendDlgItemMessage(Preferences.MixerWindow->hWnd, LineOffset * IDC_LINE_SLIDER_HORZ, TBM_GETPOS, 0, 0);
if (balancePosition == BALANCE_CENTER)
{
puDetails[0].dwValue = ((VOLUME_MAX - volumePosition) * volumeStep) + Control[Index].Bounds.dwMinimum;
puDetails[1].dwValue = ((VOLUME_MAX - volumePosition) * volumeStep) + Control[Index].Bounds.dwMinimum;
}
else if (balancePosition == BALANCE_LEFT)
{
puDetails[0].dwValue = ((VOLUME_MAX - volumePosition) * volumeStep) + Control[Index].Bounds.dwMinimum;
puDetails[1].dwValue = Control[Index].Bounds.dwMinimum;
}
else if (balancePosition == BALANCE_RIGHT)
{
puDetails[0].dwValue = Control[Index].Bounds.dwMinimum;
puDetails[1].dwValue = ((VOLUME_MAX - volumePosition) * volumeStep) + Control[Index].Bounds.dwMinimum;
}
else if (balancePosition < BALANCE_CENTER) // Left
{
puDetails[0].dwValue = ((VOLUME_MAX - volumePosition) * volumeStep) + Control[Index].Bounds.dwMinimum;
balanceStep = (puDetails[0].dwValue - Control[Index].Bounds.dwMinimum) / (BALANCE_STEPS / 2);
puDetails[1].dwValue = (balancePosition * balanceStep) + Control[Index].Bounds.dwMinimum;
}
else if (balancePosition > BALANCE_CENTER) // Right
{
puDetails[1].dwValue = ((VOLUME_MAX - volumePosition) * volumeStep) + Control[Index].Bounds.dwMinimum;
balanceStep = (puDetails[1].dwValue - Control[Index].Bounds.dwMinimum) / (BALANCE_STEPS / 2);
puDetails[0].dwValue = ((BALANCE_RIGHT - balancePosition) * balanceStep) + Control[Index].Bounds.dwMinimum;
}
}
else
{
SndMixerGetVolumeControlDetails(Preferences.MixerWindow->Mixer, Control[Index].dwControlID, Line->cChannels, sizeof(MIXERCONTROLDETAILS_UNSIGNED), (LPVOID)puDetails);
/* FIXME */
}
/* set volume */
SndMixerSetVolumeControlDetails(Preferences.MixerWindow->Mixer, Control[Index].dwControlID, 1, sizeof(MIXERCONTROLDETAILS_UNSIGNED), (LPVOID)&uDetails);
SndMixerSetVolumeControlDetails(Preferences.MixerWindow->Mixer, Control[Index].dwControlID, Line->cChannels, sizeof(MIXERCONTROLDETAILS_UNSIGNED), (LPVOID)puDetails);
/* done */
break;
@ -683,13 +737,11 @@ SetVolumeCallback(PSND_MIXER Mixer, DWORD LineID, LPMIXERLINE Line, PVOID Ctx)
break;
}
}
else
{
/* FIXME: implement left - right channel switch support */
assert(0);
}
}
if (puDetails != NULL)
HeapFree(GetProcessHeap(), 0, puDetails);
/* free controls */
HeapFree(GetProcessHeap(), 0, Control);
@ -997,7 +1049,7 @@ MainWindowProc(HWND hwnd,
if (GetDlgItemTextW(hwnd, CtrlID, Context.LineName, MIXER_LONG_NAME_CHARS) != 0)
{
/* setup context */
Context.SliderPos = HIWORD(wParam);
Context.SliderPos = LineOffset;
Context.bVertical = TRUE;
Context.bSwitch = FALSE;
@ -1029,7 +1081,26 @@ MainWindowProc(HWND hwnd,
switch (LOWORD(wParam))
{
case TB_THUMBTRACK:
/* FIXME */
/* get dialog item ctrl */
CtrlID = GetDlgCtrlID((HWND)lParam);
/* get line index */
LineOffset = CtrlID / IDC_LINE_SLIDER_HORZ;
/* compute window id of line name static control */
CtrlID = LineOffset * IDC_LINE_NAME;
/* get line name */
if (GetDlgItemTextW(hwnd, CtrlID, Context.LineName, MIXER_LONG_NAME_CHARS) != 0)
{
/* setup context */
Context.SliderPos = LineOffset;
Context.bVertical = TRUE;
Context.bSwitch = FALSE;
/* set volume */
SndMixerEnumConnections(Preferences.MixerWindow->Mixer, Preferences.SelectedLine, SetVolumeCallback, (LPVOID)&Context);
}
break;
case TB_ENDTRACK: