diff options
Diffstat (limited to 'equalizer.c')
| -rw-r--r-- | equalizer.c | 149 |
1 files changed, 149 insertions, 0 deletions
diff --git a/equalizer.c b/equalizer.c new file mode 100644 index 00000000..ebadd34e --- /dev/null +++ b/equalizer.c @@ -0,0 +1,149 @@ +/* + * 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 1.1 2006-06-03 10:01:17 phintuka Exp $ + * + */ + +#include <vdr/config.h> + +#if VDRVERSNUM < 10307 +# error VDR < 1.3.7 not supported +#endif + +#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); + + 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); + 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); + 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); + 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(); +} + + |