?? mrcdplayer.cpp
字號:
/* 'mrCDPlayer.cpp' */
/* Complement header file */
#include "mrCDPlayer.h"
/* Default constructor */
mrCDPlayer::mrCDPlayer (void)
{
/* Open the cd device */
mciSendString ("open cdaudio", NULL, 0, NULL);
}
/* Default destructor */
mrCDPlayer::~mrCDPlayer (void)
{
/* Stop playing */
Stop ();
/* Close the cd device */
mciSendString ("close cdaudio", NULL, 0, NULL);
}
/* Eject the current CD */
void mrCDPlayer::Eject (void)
{
mciSendString ("set cdaudio door open", NULL, 0, NULL);
}
/* Play a track */
void mrCDPlayer::Play (mrUInt32 iTrack)
{
mrInt8 szSendString [256];
/* Play from iTrack to the final track */
sprintf (szSendString, "play cdaudio from %d to %d", iTrack, m_iNumberTracks);
mciSendString (szSendString, NULL, 0, NULL);
}
/* Stop playing */
void mrCDPlayer::Stop (void)
{
mciSendString ("stop cdaudio", NULL, 0, NULL);
}
/* Update CD information */
void mrCDPlayer::Update (void)
{
mrInt8 szReturnString [256];
/* Get number of tracks */
mciSendString ("status cdaudio number of tracks", szReturnString, 255, NULL);
m_iNumberTracks = atoi (szReturnString);
/* Get CD length */
mciSendString ("status cdaudio length", m_szLength, 255, NULL);
}
/* Returns the number of tracks of the CD */
mrUInt32 mrCDPlayer::GetNumberOfTracks (void)
{
return m_iNumberTracks;
}
/* Returns the length of the CD */
mrInt8 * mrCDPlayer::GetLength (void)
{
return m_szLength;
}
/* Returns the current track of the CD */
mrUInt32 mrCDPlayer::GetCurrentTrack (void)
{
return m_iCurrentTrack;
}
/* Returns if the CD is ready to be used */
mrBool32 mrCDPlayer::IsReady (void)
{
mrInt8 szReturnString [256];
mciSendString ("status cdaudio ready", szReturnString, 255, NULL);
if (0 == strcmp (szReturnString, "true") )
{
return mrTrue;
}
else
{
return mrFalse;
}
}
?? 快捷鍵說明
復制代碼
Ctrl + C
搜索代碼
Ctrl + F
全屏模式
F11
切換主題
Ctrl + Shift + D
顯示快捷鍵
?
增大字號
Ctrl + =
減小字號
Ctrl + -