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Consolidate variable cleanup in mixer_sound

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* Fix I_SetSongTrack MOD tracking returns the expected result
* Make music_loop hook stop digital song properly if not looping
This commit is contained in:
mazmazz 2018-08-18 20:44:32 -04:00
parent 78b041800e
commit 5f564f7798
1 changed files with 26 additions and 30 deletions
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56
src/sdl/mixer_sound.c
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@ -76,6 +76,15 @@ static Music_Emu *gme;
static INT32 current_track;
#endif
static void varcleanup(void)
{
loop_point = music_length =\
music_bytes = 0;
songpaused = is_looping =\
midimode = false;
}
void I_StartupSound(void)
{
I_Assert(!sound_started);
@ -474,13 +483,7 @@ static void music_loop(void)
music_bytes = loop_point/1000.0L*44100.0L*4; //assume 44.1khz, 4-byte length (see I_GetMusicPosition)
}
else
{
Mix_UnregisterEffect(MIX_CHANNEL_POST, count_music_bytes);
music_bytes = 0;
songpaused = false;
// be consistent with FMOD, otherwise I'd prefer to freeze music_bytes
// since the other flags indicate music is still playing.
}
I_StopDigSong();
}
#ifdef HAVE_LIBGME
@ -584,9 +587,8 @@ void I_ShutdownDigMusic(void)
#endif
if (!music)
return;
is_looping = false;
songpaused = false;
music_bytes = 0;
varcleanup();
Mix_UnregisterEffect(MIX_CHANNEL_POST, count_music_bytes);
Mix_HookMusicFinished(NULL);
Mix_FreeMusic(music);
@ -606,7 +608,8 @@ boolean I_StartDigSong(const char *musicname, boolean looping)
if (lumpnum == LUMPERROR)
return false;
midimode = false;
varcleanup();
data = (char *)W_CacheLumpNum(lumpnum, PU_MUSIC);
len = W_LumpLength(lumpnum);
@ -839,8 +842,6 @@ boolean I_StartDigSong(const char *musicname, boolean looping)
if (I_MusicType() != MU_MOD)
Mix_HookMusicFinished(music_loop); // don't bother counting if MOD
songpaused = false;
music_bytes = 0;
if(I_MusicType() != MU_MOD && !Mix_RegisterEffect(MIX_CHANNEL_POST, count_music_bytes, NULL, NULL))
CONS_Alert(CONS_WARNING, "Error registering SDL music position counter: %s\n", Mix_GetError());
@ -863,9 +864,7 @@ void I_StopDigSong(void)
#endif
if (!music)
return;
is_looping = false;
songpaused = false;
music_bytes = 0;
varcleanup();
Mix_UnregisterEffect(MIX_CHANNEL_POST, count_music_bytes);
Mix_HookMusicFinished(NULL);
Mix_FreeMusic(music);
@ -997,6 +996,7 @@ boolean I_SetMusicPosition(UINT32 position)
SDL_LockAudio();
gme_err_t gme_e = gme_seek(gme, position);
SDL_UnlockAudio();
if (gme_e != NULL)
{
CONS_Alert(CONS_ERROR, "GME error: %s\n", gme_e);
@ -1008,13 +1008,13 @@ boolean I_SetMusicPosition(UINT32 position)
else if (midimode || !music)
return false;
else if (I_MusicType() == MU_MOD)
// Goes by channels
return Mix_SetMusicPosition(position);
return Mix_SetMusicPosition(position); // Goes by channels
else
{
// Because SDL mixer can't identify song length, if you have
// a position input greater than the real length, then
// music_bytes becomes inaccurate.
length = I_GetMusicLength(); // get it in MS
if (length)
position %= length;
@ -1026,6 +1026,7 @@ boolean I_SetMusicPosition(UINT32 position)
// NOTE: This block fires on incorrect song format,
// NOT if position input is greater than song length.
music_bytes = 0;
return true;
}
}
@ -1096,7 +1097,7 @@ boolean I_SetSongTrack(int track)
else
#endif
if (I_MusicType() == MU_MOD)
Mix_SetMusicPosition(track);
return !Mix_SetMusicPosition(track);
(void)track;
return false;
}
@ -1113,10 +1114,8 @@ void I_ShutdownMIDIMusic(void)
{
if (!midimode || !music)
return;
is_looping = false;
songpaused = false;
varcleanup();
//MIDI does count correctly, but dummy out because unsupported
//music_bytes = 0;
//Mix_UnregisterEffect(MIX_CHANNEL_POST, count_music_bytes);
Mix_FreeMusic(music);
music = NULL;
@ -1150,6 +1149,8 @@ boolean I_PlaySong(INT32 handle, boolean looping)
{
(void)handle;
varcleanup();
midimode = true;
if (Mix_PlayMusic(music, looping ? -1 : 0) == -1)
@ -1159,11 +1160,10 @@ boolean I_PlaySong(INT32 handle, boolean looping)
}
is_looping = looping;
songpaused = false;
//MIDI does count correctly, but dummy out because unsupported
//If this is enabled, you need to edit Mix_PlayMusic above to never loop (0)
//and register the music_loop callback
//music_bytes = 0;
//if(!Mix_RegisterEffect(MIX_CHANNEL_POST, count_music_bytes, NULL, NULL))
// CONS_Alert(CONS_WARNING, "Error registering SDL music position counter: %s\n", Mix_GetError());
@ -1176,10 +1176,8 @@ void I_StopSong(INT32 handle)
if (!midimode || !music)
return;
is_looping = false;
songpaused = false;
varcleanup();
//MIDI does count correctly, but dummy out because unsupported
//music_bytes = 0;
//Mix_UnregisterEffect(MIX_CHANNEL_POST, count_music_bytes);
(void)handle;
Mix_HaltMusic();
@ -1190,10 +1188,8 @@ void I_UnRegisterSong(INT32 handle)
if (!midimode || !music)
return;
is_looping = false;
songpaused = false;
varcleanup();
//MIDI does count correctly, but dummy out because unsupported
//music_bytes = 0;
//Mix_UnregisterEffect(MIX_CHANNEL_POST, count_music_bytes);
(void)handle;
Mix_FreeMusic(music);