emc_audio.c

关于嵌入式PCB板UI的程序

/*******************************************************************************
File name		: emc_audio.c
Description	: audio management
Revision    	: 1.0

COPYRIGHT (C) EMC-HUST-JRC 2005.

Date         	Label   	Auther 		Comment
----		----    	------		---------------------
01-15-2006			Allen Wu		Created
*********************************************************************************/

/* Includes --------------------------------------------------------------------- */
#include "usif.h"
#include "avcontrol.h"
//#include "stosd.h"
//#include "hl_stosd.h"
//#include "OsdRegionInit.h"
#include "gui.h"
#include "osdwrap.h"

#include "emc_mainmenu.h"
#include "emc_menustate.h"
#include "emc_font.h"
#include "emc_audio.h"

/* Private defines  ----------------------------------------------------------------*/
#define VOL_BOX_WIDTH 500
#define VOL_BOX_HEIGHT 40

#define VOL_BOX_STEP_LENGTH 5


/* Global variables & structures----------------------------------------------------- */
extern U16 AudLevel; 
extern BOOL bAudioMuteState;
extern int AudioMode;  	/* 0=Stereo; 1=MonoR; 2=MonoL;*/

extern UIMenu_t *currMenu;
extern clock_t infoStartTime;

static BOOL bVolBoxOn = FALSE;
/* Functions--------------------------------------------------------------------- */
extern void SRUIF_UpdateBoxInfo(void);

static void drawVolumeBox(void)
{
	int x = (ProviewWindowParams.Width - VOL_BOX_WIDTH)/2;
	int y = ProviewWindowParams.Height - VOL_BOX_HEIGHT - 40;
	char sVolumeValue[3];
	
	EMC_HideAllRegions();
	
	STOSD_FillRectangle(Handle_ProviewWindow, 
		x, y, VOL_BOX_WIDTH, VOL_BOX_HEIGHT, dialogcolor);
	STOSD_FillRectangle(Handle_ProviewWindow, 
		x+120, y+10, 63*VOL_BOX_STEP_LENGTH, 20, whitecolor);
	STOSD_FillRectangle(Handle_ProviewWindow, 
		x+120, y+10, AudLevel*VOL_BOX_STEP_LENGTH, 20, darkyellow);
	
	EMC_DrawTextRectangle(Handle_ProviewWindow,
		x+15, y+(VOL_BOX_HEIGHT-24)/2, 100, 24, 
		"VOLUME", JLEFT, FONT_MYFONT, FALSE, 
		whitecolor, dialogcolor, dialogcolor);

	if(AudLevel>=10)
	{
		sVolumeValue[0] = AudLevel/10+'0';
		sVolumeValue[1] = AudLevel%10+'0';
	}
	else
	{
		sVolumeValue[0] = '0';
		sVolumeValue[1] = AudLevel+'0';
	}
	/*sprintf(sVolumeValue,"%2d",AudLevel);*/
	sVolumeValue[2] = '\0';
	EMC_DrawTextRectangle(Handle_ProviewWindow,
		x+120+63*VOL_BOX_STEP_LENGTH+5, y+(VOL_BOX_HEIGHT-24)/2, 40, 24, 
		sVolumeValue, JLEFT, FONT_MYFONT, FALSE, 
		whitecolor, dialogcolor, dialogcolor);
	infoStartTime = time_now();
	bVolBoxOn = TRUE;
	EMC_ShowRegion();
}

static void updateVolumeValue(dvb_MenuCmd_e eNumber)
{
	int x = (ProviewWindowParams.Width - VOL_BOX_WIDTH)/2;
	int y = ProviewWindowParams.Height - VOL_BOX_HEIGHT - 40;
	char sVolumeValue[3];
	
	if(AudLevel>=10)
	{
		sVolumeValue[0] = AudLevel/10+'0';
		sVolumeValue[1] = AudLevel%10+'0';
	}
	else
	{
		sVolumeValue[0] = '0';
		sVolumeValue[1] = AudLevel+'0';
	}
	sVolumeValue[2] = '\0';
	
	switch(eNumber)
	{
		case cmd_VolUp:
			STOSD_FillRectangle(Handle_ProviewWindow, 
				x+120+(AudLevel-1)*VOL_BOX_STEP_LENGTH, y+10, VOL_BOX_STEP_LENGTH, 20, darkyellow);
			break;
		case cmd_VolDown:
			STOSD_FillRectangle(Handle_ProviewWindow, 
				x+120+(AudLevel)*VOL_BOX_STEP_LENGTH, y+10, VOL_BOX_STEP_LENGTH, 20, whitecolor);
			break;
	}
	EMC_DrawTextRectangle(Handle_ProviewWindow,
		x+120+63*VOL_BOX_STEP_LENGTH+5, y+(VOL_BOX_HEIGHT-24)/2, 40, 24, 
		sVolumeValue, JLEFT, FONT_MYFONT, FALSE, 
		whitecolor, dialogcolor, dialogcolor);

	infoStartTime = time_now();
	bVolBoxOn = TRUE;
}

void msm_AudioManage(dvb_MenuCmd_e eNumber)
{
	switch (eNumber)
	{
		case cmd_VolDown:
		case cmd_VolUp:
		case cmd_Mute:
			SRAVC_AudSetVolume(AudLevel);
			if (bAudioMuteState)
				SRAVC_AudioMute();
			else
				SRAVC_AudioUnMute();
			SRUIF_UpdateBoxInfo();
			break;
		case cmd_AudioMode:
			if(AudioMode == VOL_BALANCE_CENTRE)
				SRAVC_SetAudioOutputMode(STAUD_STEREO_STEREO);
			else if(AudioMode == VOL_BALANCE_LEFT_MAX)
				SRAVC_SetAudioOutputMode(STAUD_STEREO_DUAL_LEFT);
			else if(AudioMode == VOL_BALANCE_RIGHT_MAX)
				SRAVC_SetAudioOutputMode(STAUD_STEREO_DUAL_RIGHT);
			SRUIF_UpdateBoxInfo();
			break;
	}
}

void msm_AudioChangeMuteState(void)
{
	int index = currMenu->itemSelectedIndex;
	if(index == 0)
		bAudioMuteState = TRUE;
	else
		bAudioMuteState = FALSE;
	msm_AudioManage(cmd_Mute);
}

void msm_AudioChangeMode(void)
{
	int index = currMenu->itemSelectedIndex;

	switch(index)
	{
		case 0:
			AudioMode = VOL_BALANCE_CENTRE;
			break;
		case 1:
			AudioMode = VOL_BALANCE_LEFT_MAX;
			break;
		case 2:
			AudioMode = VOL_BALANCE_RIGHT_MAX;
			break;
	}
	msm_AudioManage(cmd_AudioMode);
}

void msm_AudioChangeVolume(dvb_MenuCmd_e eNumber)
{
	switch(eNumber)
	{
		case cmd_Volume:
			drawVolumeBox();
			break;
		case cmd_VolUp:
			AudLevel++;
			if(AudLevel>63)
				AudLevel = 63;
			msm_AudioManage(eNumber);
			if(bVolBoxOn)
				updateVolumeValue(eNumber);
			else
				drawVolumeBox();
			break;
		case cmd_VolDown:
			if(AudLevel>=1)
				AudLevel--;
			msm_AudioManage(eNumber);
			if(bVolBoxOn)
				updateVolumeValue(eNumber);
			else
				drawVolumeBox();
			break;
	}
	
}

void msm_HideVolumeBox(void)
{
	bVolBoxOn = FALSE;
	//STOSD_FillRectangle(Handle_ProviewWindow,0,0,ProviewWindowParams.Width,ProviewWindowParams.Height,backgroundColor);
	//STOSD_HideRegion(Handle_ProviewWindow);
	EMC_HideAllRegions();
}
/*------------------------------------EOF---------------------------------------*/