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I_GetMusicLoopPoint and I_SetMusicLoopPoint implementation

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* Stub pause for MIDI
* Fix MP3 tag wide char search
* Reset songpaused bool where appropriate
This commit is contained in:
mazmazz 2018-08-18 20:19:44 -04:00
parent 137291d50b
commit fdd1af62a8
4 changed files with 97 additions and 23 deletions
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4
src/i_sound.h
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@ -237,6 +237,10 @@ boolean I_SetSongSpeed(float speed);
UINT32 I_GetMusicLength(void);
boolean I_SetMusicLoopPoint(UINT32 looppoint);
UINT32 I_GetMusicLoopPoint(void);
boolean I_SetMusicPosition(UINT32 position);
UINT32 I_GetMusicPosition(void);

10
src/s_sound.c
View file

@ -1427,6 +1427,16 @@ UINT32 S_GetMusicLength(void)
return I_GetMusicLength();
}
boolean S_SetMusicLoopPoint(UINT32 looppoint)
{
return I_SetMusicPosition(looppoint);
}
UINT32 S_GetMusicLoopPoint(void)
{
return I_GetMusicLoopPoint();
}
boolean S_SetMusicPosition(UINT32 position)
{
return I_SetMusicPosition(position);

6
src/s_sound.h
View file

@ -142,6 +142,12 @@ boolean S_SpeedMusic(float speed);
// Get Length of Music
UINT32 S_GetMusicLength(void);
// Set LoopPoint of Music
boolean S_SetMusicLoopPoint(UINT32 looppoint);
// Get LoopPoint of Music
UINT32 S_GetMusicLoopPoint(void);
// Set Position of Music
boolean S_SetMusicPosition(UINT32 position);

100
src/sdl/mixer_sound.c
View file

@ -477,6 +477,7 @@ static void music_loop(void)
{
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.
}
@ -516,8 +517,13 @@ void I_ShutdownMusic(void)
void I_PauseSong(INT32 handle)
{
(void)handle;
if(!midimode)
if(midimode) // really, SDL Mixer? why can't you pause MIDI???
return;
if(!gme && I_MusicType() != MU_MOD)
Mix_UnregisterEffect(MIX_CHANNEL_POST, count_music_bytes);
Mix_PauseMusic();
songpaused = true;
}
@ -525,14 +531,19 @@ void I_PauseSong(INT32 handle)
void I_ResumeSong(INT32 handle)
{
(void)handle;
if(!midimode)
if (midimode)
return;
if (!gme && I_MusicType() != MU_MOD)
{
while(Mix_UnregisterEffect(MIX_CHANNEL_POST, count_music_bytes) != 0) { }
// HACK: fixes issue of multiple effect callbacks being registered
if(music && !Mix_RegisterEffect(MIX_CHANNEL_POST, count_music_bytes, NULL, NULL))
// midimode and music must be checked in case nothing is actually playing
CONS_Alert(CONS_WARNING, "Error registering SDL music position counter: %s\n", Mix_GetError());
}
Mix_ResumeMusic();
songpaused = false;
}
@ -544,7 +555,7 @@ boolean I_MusicPlaying(void)
boolean I_MusicPaused(void)
{
return Mix_PausedMusic();
return songpaused;
}
//
@ -574,6 +585,7 @@ void I_ShutdownDigMusic(void)
if (!music)
return;
is_looping = false;
songpaused = false;
music_bytes = 0;
Mix_UnregisterEffect(MIX_CHANNEL_POST, count_music_bytes);
Mix_HookMusicFinished(NULL);
@ -714,16 +726,19 @@ boolean I_StartDigSong(const char *musicname, boolean looping)
const char *key2 = "POINT=";
const char *key3 = "MS=";
const char *key4 = "LENGTHMS=";
const char *key1w = "L\0O\0O\0P\0";
const char *key2w = "P\0O\0I\0N\0T\0=\0";
const char *key3w = "M\0S\0=\0";
const char *key4w = "L\0E\0N\0G\0T\0H\0M\0S\0=\0";
const char *wterm = "\0\0";
const size_t key1len = strlen(key1);
const size_t key2len = strlen(key2);
const size_t key3len = strlen(key3);
const size_t key4len = strlen(key4);
char wval[10]; // millisecond range up to 30 hours!
// for mp3 wide chars
const char *key1w = "L\0O\0O\0P\0";
const char *key2w = "P\0O\0I\0N\0T\0\0\0\xFF\xFE";
const char *key3w = "M\0S\0\0\0\xFF\xFE";
const char *key4w = "L\0E\0N\0G\0T\0H\0M\0S\0\0\0\xFF\xFE";
const char *wterm = "\0\0";
char wval[10];
size_t wstart, wp;
char *p = data;
while ((UINT32)(p - data) < len)
@ -753,15 +768,15 @@ boolean I_StartDigSong(const char *musicname, boolean looping)
music_length = (float)(atoi(p) / 1000.0L);
}
// below: search MP3 or other tags that use wide char encoding
else if (!loop_point && !strncmp(p, key1w, key1len*2)) // LOOP wide char
else if (!loop_point && !memcmp(p, key1w, key1len*2)) // LOOP wide char
{
p += key1len*2;
if (!strncmp(p, key2w, key2len*2)) // POINT= wide char
if (!memcmp(p, key2w, (key2len+1)*2)) // POINT= wide char
{
p += key2len*2+2;
p += (key2len+1)*2;
wstart = (size_t)p;
wp = 0;
while (wp < 9 && strncmp(p, wterm, 2))
while (wp < 9 && memcmp(p, wterm, 2))
{
wval[wp] = *p;
p += 2;
@ -770,12 +785,12 @@ boolean I_StartDigSong(const char *musicname, boolean looping)
wval[min(wp, 9)] = 0;
loop_point = (float)((44.1L+atoi(wval) / 44100.0L));
}
else if (!strncmp(p, key3w, key3len*2)) // MS= wide char
else if (!memcmp(p, key3w, (key3len+1)*2)) // MS= wide char
{
p += key3len*2+2;
p += (key3len+1)*2;
wstart = (size_t)p;
wp = 0;
while (wp < 9 && strncmp(p, wterm, 2))
while (wp < 9 && memcmp(p, wterm, 2))
{
wval[wp] = *p;
p += 2;
@ -785,12 +800,12 @@ boolean I_StartDigSong(const char *musicname, boolean looping)
loop_point = (float)(atoi(wval) / 1000.0L);
}
}
else if (!music_length && !strncmp(p, key4w, key4len*2)) // LENGTHMS= wide char
else if (!music_length && !memcmp(p, key4w, (key4len+1)*2)) // LENGTHMS= wide char
{
p += key4len*2+2;
p += (key4len+1)*2;
wstart = (size_t)p;
wp = 0;
while (wp < 9 && strncmp(p, wterm, 2))
while (wp < 9 && memcmp(p, wterm, 2))
{
wval[wp] = *p;
p += 2;
@ -824,6 +839,7 @@ 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());
@ -848,6 +864,7 @@ void I_StopDigSong(void)
if (!music)
return;
is_looping = false;
songpaused = false;
music_bytes = 0;
Mix_UnregisterEffect(MIX_CHANNEL_POST, count_music_bytes);
Mix_HookMusicFinished(NULL);
@ -924,6 +941,42 @@ UINT32 I_GetMusicLength(void)
}
}
boolean I_SetMusicLoopPoint(UINT32 looppoint)
{
if (midimode || gme || !music || I_MusicType() == MU_MOD)
return false;
else
{
loop_point = max((float)(looppoint / 1000.0L), 0);
return true;
}
}
UINT32 I_GetMusicLoopPoint(void)
{
if (gme)
{
INT32 looppoint;
gme_info_t *info;
gme_err_t gme_e = gme_track_info(gme, &info, current_track);
if (gme_e != NULL)
{
CONS_Alert(CONS_ERROR, "GME error: %s\n", gme_e);
looppoint = 0;
}
else
looppoint = info->intro_length > 0 ? info->intro_length : 0;
gme_free_info(info);
return max(looppoint, 0);
}
else if (midimode || !music || I_MusicType() == MU_MOD)
return 0;
else
return (UINT32)(loop_point * 1000);
}
boolean I_SetMusicPosition(UINT32 position)
{
UINT32 length;
@ -1056,6 +1109,7 @@ void I_ShutdownMIDIMusic(void)
if (!midimode || !music)
return;
is_looping = false;
songpaused = false;
//MIDI does count correctly, but dummy out because unsupported
//music_bytes = 0;
//Mix_UnregisterEffect(MIX_CHANNEL_POST, count_music_bytes);
@ -1100,7 +1154,7 @@ 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
@ -1118,7 +1172,7 @@ void I_StopSong(INT32 handle)
return;
is_looping = false;
songpaused = false;
//MIDI does count correctly, but dummy out because unsupported
//music_bytes = 0;
//Mix_UnregisterEffect(MIX_CHANNEL_POST, count_music_bytes);
@ -1132,7 +1186,7 @@ void I_UnRegisterSong(INT32 handle)
return;
is_looping = false;
songpaused = false;
//MIDI does count correctly, but dummy out because unsupported
//music_bytes = 0;
//Mix_UnregisterEffect(MIX_CHANNEL_POST, count_music_bytes);