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cd_sdl.c: Simplified, making it similar to cd_linux.c or cd_bsd.c by

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performing checks every two seconds in CDAudio_Update() and caching
the last check time.

git-svn-id: svn://svn.code.sf.net/p/quakespasm/code/trunk/quakespasm@498 af15c1b1-3010-417e-b628-4374ebc0bcbd
This commit is contained in:
Ozkan Sezer 2011-10-27 09:40:46 +00:00
parent 433f753405
commit 0fd1150b47
1 changed files with 5 additions and 23 deletions
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28
Quake/cd_sdl.c
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@ -45,7 +45,6 @@ static qboolean enabled = true;
static qboolean playLooping = false;
static byte remap[100];
static byte playTrack;
static double endOfTrack = -1.0, pausetime = -1.0;
static SDL_CD *cd_handle;
static int cd_dev = -1;
static float old_cdvolume;
@ -78,8 +77,6 @@ static int CDAudio_GetAudioDiskInfo(void)
int CDAudio_Play(byte track, qboolean looping)
{
int len_m, len_s, len_f;
if (!cd_handle || !enabled)
return -1;
@ -123,18 +120,6 @@ int CDAudio_Play(byte track, qboolean looping)
playTrack = track;
playing = true;
FRAMES_TO_MSF(cd_handle->track[track-1].length, &len_m, &len_s, &len_f);
endOfTrack = realtime + ((double)len_m * 60.0) + (double)len_s + (double)len_f / (double)CD_FPS;
/*
* Add the pregap for the next track. This means that disc-at-once CDs
* won't loop smoothly, but they wouldn't anyway so it doesn't really
* matter. SDL doesn't give us pregap information anyway, so you'll
* just have to live with it.
*/
endOfTrack += 2.0;
pausetime = -1.0;
if (bgmvolume.value == 0) /* don't bother advancing */
CDAudio_Pause ();
@ -154,8 +139,6 @@ void CDAudio_Stop(void)
wasPlaying = false;
playing = false;
pausetime = -1.0;
endOfTrack = -1.0;
}
void CDAudio_Pause(void)
@ -171,7 +154,6 @@ void CDAudio_Pause(void)
wasPlaying = playing;
playing = false;
pausetime = realtime;
}
void CDAudio_Resume(void)
@ -188,8 +170,6 @@ void CDAudio_Resume(void)
if (SDL_CDResume(cd_handle) == -1)
Con_Printf ("Unable to resume CD-ROM: %s\n", SDL_GetError());
playing = true;
endOfTrack += realtime - pausetime;
pausetime = -1.0;
}
static void CD_f (void)
@ -366,6 +346,8 @@ static qboolean CDAudio_SetVolume (float value)
void CDAudio_Update(void)
{
CDstatus curstat;
Uint32 timechk;
static Uint32 lastchk;
if (!cd_handle || !enabled)
return;
@ -373,14 +355,14 @@ void CDAudio_Update(void)
if (old_cdvolume != bgmvolume.value)
CDAudio_SetVolume (bgmvolume.value);
if (playing && realtime > endOfTrack)
timechk = SDL_GetTicks ();
if (playing && lastchk < timechk)
{
// curstat = cd_handle->status;
lastchk = timechk + 2000; /* two seconds between chks */
curstat = SDL_CDStatus(cd_handle);
if (curstat != CD_PLAYING && curstat != CD_PAUSED)
{
playing = false;
endOfTrack = -1.0;
if (playLooping)
CDAudio_Play(playTrack, true);
}