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Work around some CD device stops. Oz - 'CDROMSTOP ioctl causes any ioctls following immediately to fail for a considerable time'.

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git-svn-id: svn+ssh://svn.code.sf.net/p/quakespasm/code/trunk@948 af15c1b1-3010-417e-b628-4374ebc0bcbd
This commit is contained in:
stevenaaus 2014-08-02 07:51:24 +00:00
parent 96b54ac281
commit 542d5fa7af
1 changed files with 39 additions and 7 deletions
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46
quakespasm/Quake/cd_sdl.c
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@ -44,6 +44,7 @@
static qboolean cdValid = false;
static qboolean playing = false;
static qboolean active = false;
static qboolean wasPlaying = false;
static qboolean enabled = true;
static qboolean playLooping = false;
@ -124,6 +125,7 @@ int CDAudio_Play(byte track, qboolean looping)
playLooping = looping;
playTrack = track;
playing = true;
active = 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;
@ -141,6 +143,13 @@ int CDAudio_Play(byte track, qboolean looping)
return 0;
}
/* We have two types of stop
*
* On many devices, CDROMSTOP
* ioctl causes any ioctls following immediately to
* fail for a considerable time.
* So avoid dead stops if playback may be resume shortly */
void CDAudio_Stop(void)
{
if (!cd_handle || !enabled)
@ -149,8 +158,9 @@ void CDAudio_Stop(void)
if (!playing)
return;
if (SDL_CDStop(cd_handle) == -1)
Con_Printf ("CDAudio_Stop: Unable to stop CD-ROM (%s)\n", SDL_GetError());
if (SDL_CDPause(cd_handle) == -1)
Con_Printf ("CDAudio_Stop: Unable to pause CD-ROM (%s)\n", SDL_GetError());
wasPlaying = false;
playing = false;
@ -158,6 +168,24 @@ void CDAudio_Stop(void)
endOfTrack = -1.0;
}
void CDAudio_ReallyStop(void)
{
if (!cd_handle || !enabled)
return;
if (!active)
return;
if (SDL_CDStop(cd_handle) == -1)
Con_Printf ("CDAudio_ReallyStop: Unable to stop CD-ROM (%s)\n", SDL_GetError());
wasPlaying = false;
playing = false;
active = false;
pausetime = -1.0;
endOfTrack = -1.0;
}
void CDAudio_Pause(void)
{
if (!cd_handle || !enabled)
@ -188,6 +216,7 @@ void CDAudio_Resume(void)
if (SDL_CDResume(cd_handle) == -1)
Con_Printf ("Unable to resume CD-ROM: %s\n", SDL_GetError());
playing = true;
active = true;
endOfTrack += realtime - pausetime;
pausetime = -1.0;
}
@ -217,7 +246,7 @@ static void CD_f (void)
if (q_strcasecmp(command, "off") == 0)
{
if (playing)
CDAudio_Stop();
CDAudio_ReallyStop();
enabled = false;
return;
}
@ -226,7 +255,7 @@ static void CD_f (void)
{
enabled = true;
if (playing)
CDAudio_Stop();
CDAudio_ReallyStop();
for (n = 0; n < 100; n++)
remap[n] = n;
CDAudio_GetAudioDiskInfo();
@ -290,8 +319,8 @@ static void CD_f (void)
if (q_strcasecmp(command, "eject") == 0)
{
if (playing)
CDAudio_Stop();
if (playing || active)
CDAudio_ReallyStop();
CDAudio_Eject();
cdValid = false;
return;
@ -323,6 +352,9 @@ static void CD_f (void)
return;
}
Con_Printf("cd: \"%s\" unknown command.\n",command);
return;
}
static qboolean CD_GetVolume (void *unused)
@ -532,7 +564,7 @@ void CDAudio_Shutdown(void)
{
if (!cd_handle)
return;
CDAudio_Stop();
CDAudio_ReallyStop();
if (hw_vol_works)
CD_SetVolume (NULL); /* no SDL support at present. */
SDL_CDClose(cd_handle);