mirror of
https://github.com/ZDoom/gzdoom-gles.git
synced 2024-11-28 15:02:39 +00:00
- Search for the MUS header within the first 32 bytes of the song so that the music in
diescum.wad works. SVN r2273 (trunk)
This commit is contained in:
parent
d875a0c674
commit
114412d5a2
4 changed files with 103 additions and 56 deletions
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@ -1671,10 +1671,10 @@ FISoundChannel *FMODSoundRenderer::StartSound3D(SoundHandle sfx, SoundListener *
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chan->setReverbProperties(&reverb);
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}
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}
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chan->setPaused(false);
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chan->getPriority(&def_priority);
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FISoundChannel *schan = CommonChannelSetup(chan, reuse_chan);
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schan->Rolloff = *rolloff;
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chan->setPaused(false);
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return schan;
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}
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@ -84,6 +84,8 @@ extern void ChildSigHandler (int signum);
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#define GZIP_FNAME 8
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#define GZIP_FCOMMENT 16
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extern int MUSHeaderSearch(const BYTE *head, int len);
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EXTERN_CVAR (Int, snd_samplerate)
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EXTERN_CVAR (Int, snd_mididevice)
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@ -295,9 +297,14 @@ MusInfo *I_RegisterSong (const char *filename, BYTE *musiccache, int offset, int
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{
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FILE *file;
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MusInfo *info = NULL;
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DWORD id;
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union
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{
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DWORD id[32/4];
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BYTE idstr[32];
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};
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const char *fmt;
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BYTE *ungzipped;
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int i;
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if (nomusic)
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{
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@ -322,22 +329,32 @@ MusInfo *I_RegisterSong (const char *filename, BYTE *musiccache, int offset, int
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{
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fseek (file, offset, SEEK_SET);
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}
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if (fread (&id, 4, 1, file) != 1)
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if (len < 32)
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{
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return 0;
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}
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if (fread (id, 4, 32/4, file) != 32/4)
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{
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fclose (file);
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return 0;
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}
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fseek (file, -4, SEEK_CUR);
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fseek (file, -32, SEEK_CUR);
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}
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else
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{
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file = NULL;
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id = *(DWORD *)musiccache;
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if (len < 32)
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{
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return 0;
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}
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for (i = 0; i < 32/4; ++i)
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{
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id[i] = ((DWORD *)musiccache)[i];
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}
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}
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#ifndef _WIN32
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// non-windows platforms don't support MDEV_MIDI so map to MDEV_FMOD
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// non-Windows platforms don't support MDEV_MMAPI so map to MDEV_FMOD
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if (device == MDEV_MMAPI)
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device = MDEV_FMOD;
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#endif
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@ -346,7 +363,7 @@ MusInfo *I_RegisterSong (const char *filename, BYTE *musiccache, int offset, int
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// that can handle it, so it simplifies things if we make all songs
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// gzippable.
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ungzipped = NULL;
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if ((id & MAKE_ID(255,255,255,0)) == GZIP_ID)
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if ((id[0] & MAKE_ID(255,255,255,0)) == GZIP_ID)
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{
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if (offset != -1)
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{
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@ -370,11 +387,15 @@ MusInfo *I_RegisterSong (const char *filename, BYTE *musiccache, int offset, int
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return NULL;
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}
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musiccache = ungzipped;
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id = *(DWORD *)ungzipped;
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for (i = 0; i < 32/4; ++i)
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{
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id[i] = ((DWORD *)musiccache)[i];
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}
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}
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// Check for MUS format
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if (id == MAKE_ID('M','U','S',0x1a))
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// Tolerate sloppy wads by searching up to 32 bytes for the header
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if (MUSHeaderSearch(idstr, sizeof(idstr)) >= 0)
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{
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/* MUS are played as:
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- OPL:
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@ -453,7 +474,7 @@ MusInfo *I_RegisterSong (const char *filename, BYTE *musiccache, int offset, int
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// Check for MIDI format
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else
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{
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if (id == MAKE_ID('M','T','h','d'))
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if (id[0] == MAKE_ID('M','T','h','d'))
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{
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// This is a midi file
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@ -502,36 +523,15 @@ MusInfo *I_RegisterSong (const char *filename, BYTE *musiccache, int offset, int
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#endif // _WIN32
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}
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// Check for various raw OPL formats
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else if (len >= 12 &&
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(id == MAKE_ID('R','A','W','A') || // Rdos Raw OPL
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id == MAKE_ID('D','B','R','A') || // DosBox Raw OPL
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id == MAKE_ID('A','D','L','I'))) // Martin Fernandez's modified IMF
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else if (
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(id[0] == MAKE_ID('R','A','W','A') && id[1] == MAKE_ID('D','A','T','A')) || // Rdos Raw OPL
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(id[0] == MAKE_ID('D','B','R','A') && id[1] == MAKE_ID('W','O','P','L')) || // DosBox Raw OPL
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(id[0] == MAKE_ID('A','D','L','I') && *((BYTE *)id + 4) == 'B')) // Martin Fernandez's modified IMF
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{
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DWORD fullsig[2];
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if (file != NULL)
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{
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if (fread (fullsig, 4, 2, file) != 2)
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{
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fclose (file);
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return 0;
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}
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fseek (file, -8, SEEK_CUR);
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}
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else
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{
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memcpy(fullsig, musiccache, 8);
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}
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if ((fullsig[0] == MAKE_ID('R','A','W','A') && fullsig[1] == MAKE_ID('D','A','T','A')) ||
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(fullsig[0] == MAKE_ID('D','B','R','A') && fullsig[1] == MAKE_ID('W','O','P','L')) ||
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(fullsig[0] == MAKE_ID('A','D','L','I') && (fullsig[1] & MAKE_ID(255,255,0,0)) == MAKE_ID('B',1,0,0)))
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{
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info = new OPLMUSSong (file, musiccache, len);
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}
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info = new OPLMUSSong (file, musiccache, len);
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}
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// Check for game music
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else if ((fmt = GME_CheckFormat(id)) != NULL && fmt[0] != '\0')
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else if ((fmt = GME_CheckFormat(id[0])) != NULL && fmt[0] != '\0')
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{
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info = GME_OpenSong(file, musiccache, len, fmt);
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}
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@ -545,7 +545,7 @@ MusInfo *I_RegisterSong (const char *filename, BYTE *musiccache, int offset, int
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if (info == NULL)
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{
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// Check for CDDA "format"
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if (id == (('R')|(('I')<<8)|(('F')<<16)|(('F')<<24)))
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if (id[0] == (('R')|(('I')<<8)|(('F')<<16)|(('F')<<24)))
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{
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if (file != NULL)
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{
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@ -572,7 +572,7 @@ MusInfo *I_RegisterSong (const char *filename, BYTE *musiccache, int offset, int
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// smaller than this can't possibly be a valid music file if it hasn't
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// been identified already, so don't even bother trying to load it.
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// Of course MIDIs shorter than 1024 bytes should pass.
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if (info == NULL && (len >= 1024 || id == MAKE_ID('M','T','h','d')))
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if (info == NULL && (len >= 1024 || id[0] == MAKE_ID('M','T','h','d')))
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{
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// Let FMOD figure out what it is.
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if (file != NULL)
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@ -51,6 +51,8 @@
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// PUBLIC FUNCTION PROTOTYPES ----------------------------------------------
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int MUSHeaderSearch(const BYTE *head, int len);
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// PRIVATE FUNCTION PROTOTYPES ---------------------------------------------
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// EXTERNAL DATA DECLARATIONS ----------------------------------------------
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@ -99,32 +101,55 @@ MUSSong2::MUSSong2 (FILE *file, BYTE *musiccache, int len, EMIDIDevice type)
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}
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#endif
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MusHeader = (MUSHeader *)new BYTE[len];
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if (file != NULL)
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BYTE front[32];
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int start;
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if (file == NULL)
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{
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if (fread(MusHeader, 1, len, file) != (size_t)len)
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memcpy(front, musiccache, len);
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}
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else if (fread(front, 1, 32, file) != 32)
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{
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return;
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}
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// To tolerate sloppy wads (diescum.wad, I'm looking at you), we search
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// the first 32 bytes of the file for a signature. My guess is that DMX
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// does no validation whatsoever and just assumes it was passed a valid
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// MUS file, since where the header is offset affects how it plays.
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start = MUSHeaderSearch(front, sizeof(front));
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if (start < 0)
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{
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return;
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}
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// Read the remainder of the song.
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len = int(len - start);
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if (len < sizeof(MusHeader))
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{ // It's too short.
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return;
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}
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MusHeader = (MUSHeader *)new BYTE[len];
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if (file == NULL)
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{
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memcpy(MusHeader, musiccache + start, len);
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}
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else
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{
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memcpy(MusHeader, front + start, 32 - start);
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if (fread((BYTE *)MusHeader + 32 - start, 1, len - (32 - start), file) != (size_t)(len - (32 - start)))
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{
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return;
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}
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}
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else
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{
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memcpy(MusHeader, musiccache, len);
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}
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// Do some validation of the MUS file
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if (MusHeader->Magic != MAKE_ID('M','U','S','\x1a'))
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{
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return;
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}
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// Do some validation of the MUS file.
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if (LittleShort(MusHeader->NumChans) > 15)
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{
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return;
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}
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MusBuffer = (BYTE *)MusHeader + LittleShort(MusHeader->SongStart);
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MaxMusP = MIN<int> (LittleShort(MusHeader->SongLen), len - LittleShort(MusHeader->SongStart));
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MaxMusP = MIN<int>(LittleShort(MusHeader->SongLen), len - LittleShort(MusHeader->SongStart));
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Division = 140;
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InitialTempo = 1000000;
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}
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@ -376,3 +401,25 @@ MUSSong2::MUSSong2(const MUSSong2 *original, const char *filename, EMIDIDevice t
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Division = 140;
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InitialTempo = 1000000;
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}
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//==========================================================================
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//
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// MUSHeaderSearch
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//
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// Searches for the MUS header within the given memory block, returning
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// the offset it was found at, or -1 if not present.
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//
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//==========================================================================
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int MUSHeaderSearch(const BYTE *head, int len)
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{
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len -= 4;
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for (int i = 0; i <= len; ++i)
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{
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if (head[i+0] == 'M' && head[i+1] == 'U' && head[i+2] == 'S' && head[i+3] == 0x1A)
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{
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return i;
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}
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}
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return -1;
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}
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@ -318,7 +318,7 @@
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<Tool
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Name="VCLinkerTool"
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AdditionalOptions="/MACHINE:I386"
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AdditionalDependencies="gdi32.lib user32.lib comctl32.lib shell32.lib advapi32.lib comdlg32.lib ole32.lib dxguid.lib dsound.lib dinput8.lib strmiids.lib wsock32.lib winmm.lib fmodex_vc.lib setupapi.lib ws2_32.lib oleaut32.lib"
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AdditionalDependencies="gdi32.lib user32.lib comctl32.lib shell32.lib advapi32.lib comdlg32.lib ole32.lib dxguid.lib dsound.lib dinput8.lib strmiids.lib wsock32.lib winmm.lib setupapi.lib ws2_32.lib oleaut32.lib fmodex_vc.lib"
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OutputFile="../zdoomd.exe"
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LinkIncremental="2"
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SuppressStartupBanner="true"
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