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/*
* equalizer.c: audio equalizer OSD control
*
* See the main source file 'xineliboutput.c' for copyright information and
* how to reach the author.
*
* $Id: equalizer.c,v 1.5 2008-11-20 11:46:30 rofafor Exp $
*
*/
#include <vdr/config.h>
#include "config.h"
#include "device.h"
#include "equalizer.h"
cEqualizer::cEqualizer() : cOsdObject()
{
m_Values = new int[AUDIO_EQ_count];
memcpy(m_Values, xc.audio_equalizer, sizeof(xc.audio_equalizer));
m_Osd = NULL;
m_Current = 0;
}
cEqualizer::~cEqualizer()
{
delete m_Osd;
delete m_Values;
}
#define OSD_W (220)
#define OSD_H (220)
#define OSD_X (720-50-OSD_W)
#define OSD_Y (576-50-OSD_H)
/* dvbdevice requires bpp*width to be n*8 */
#define ADJUST_MIN (-100)
#define ADJUST_MAX (100)
#define ADJUST_STEP (5)
void cEqualizer::Show()
{
tArea areas [] = { {0, 0, OSD_W - 1, OSD_H - 1, 4} };
m_Osd = cOsdProvider::NewOsd(OSD_X, OSD_Y, 0);
if(m_Osd) {
if (m_Osd->CanHandleAreas(areas, sizeof(areas) / sizeof(tArea) ) == oeOk) {
m_Osd->SetAreas(areas, sizeof(areas) / sizeof(tArea));
m_Osd->Flush();
DrawBackground();
DrawBar(0,true);
for(int i=1; i<AUDIO_EQ_count; i++)
DrawBar(i);
}
}
}
eOSState cEqualizer::ProcessKey(eKeys key)
{
eOSState state = cOsdObject::ProcessKey(key);
if (state == osUnknown) {
switch (key & ~k_Repeat) {
case kDown:
m_Values[m_Current] -= ADJUST_STEP;
if(m_Values[m_Current] < ADJUST_MIN)
m_Values[m_Current] = ADJUST_MIN;
DrawBar(m_Current,true);
cXinelibDevice::Instance().ConfigurePostprocessing(xc.deinterlace_method, xc.audio_delay, xc.audio_compression, m_Values, xc.audio_surround, xc.speaker_type);
break;
case kUp:
m_Values[m_Current] += ADJUST_STEP;
if(m_Values[m_Current] > ADJUST_MAX)
m_Values[m_Current] = ADJUST_MAX;
DrawBar(m_Current,true);
cXinelibDevice::Instance().ConfigurePostprocessing(xc.deinterlace_method, xc.audio_delay, xc.audio_compression, m_Values, xc.audio_surround, xc.speaker_type);
break;
case kLeft:
if(m_Current>0) {
DrawBar(m_Current);
m_Current--;
DrawBar(m_Current, true);
}
break;
case kRight:
if(m_Current+1 < AUDIO_EQ_count) {
DrawBar(m_Current);
m_Current++;
DrawBar(m_Current, true);
}
break;
case kBack:
cXinelibDevice::Instance().ConfigurePostprocessing(xc.deinterlace_method, xc.audio_delay, xc.audio_compression, xc.audio_equalizer, xc.audio_surround, xc.speaker_type);
return osEnd;
case kOk:
memcpy(xc.audio_equalizer, m_Values, sizeof(xc.audio_equalizer));
return osEnd;
}
}
return state;
}
#define COL_BORDER 0xffb0b0b0
#define COL_BG 0x7f7f7f7f
#define COL_BAR 0xff000000
#define COL_BAR_SEL 0xffff0000
#define COL_BAR_ON 0xff00FF00
#define COL_BAR_OFF 0xff000000
#define COL_BAR_BORDER 0xff7f7f7f
void cEqualizer::DrawBackground()
{
// border
m_Osd->DrawRectangle(0, 0, OSD_W - 1, OSD_H - 1, COL_BORDER);
m_Osd->DrawRectangle(1, 1, OSD_W - 2, OSD_H - 2, COL_BORDER);
// background
m_Osd->DrawRectangle(2, 2, OSD_W - 3, OSD_H - 3, COL_BG);
// line
m_Osd->DrawRectangle(5, 10+100-1, OSD_W-6, 10+100, COL_BAR);
// commit
m_Osd->Flush();
}
void cEqualizer::DrawBar(int Index, bool Selected)
{
// bar
if(Selected)
m_Osd->DrawRectangle(10+20*Index, 10, 10+20*Index+7, OSD_H - 10, COL_BAR_SEL);
else
m_Osd->DrawRectangle(10+20*Index, 10, 10+20*Index+7, OSD_H - 10, COL_BAR);
// off
m_Osd->DrawRectangle(12+20*Index, 10, 10+20*Index+5, OSD_H - 10, COL_BAR_OFF);
// on
if(m_Values[Index]>0)
m_Osd->DrawRectangle(12+20*Index, 10+100-m_Values[Index], 10+20*Index+5, 10+100, COL_BAR_ON);
else
m_Osd->DrawRectangle(12+20*Index, 10+100, 10+20*Index+5, 10+100-m_Values[Index], COL_BAR_ON);
// line
m_Osd->DrawRectangle(12+20*Index, 10+100-1, 10+20*Index+5, 10+100, COL_BAR_ON);
m_Osd->Flush();
}
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