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Merge remote-tracking branch 'remotes/srb2pub/next' into upstream-merge

This commit is contained in:
wolfy852 2019-05-07 21:43:12 -05:00
parent 777f1675fc e394f41c52
commit a357a38ae1
1 changed files with 1 additions and 65 deletions
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66
src/sdl/mixer_sound.c
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@ -901,21 +901,10 @@ boolean I_LoadSong(char *data, size_t len)
const char *key1 = "LOOP";
const char *key2 = "POINT=";
const char *key3 = "MS=";
const char *key4 = "LENGTHMS=";
const size_t key1len = strlen(key1);
const size_t key2len = strlen(key2);
const size_t key3len = strlen(key3);
const size_t key4len = strlen(key4);
// 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;
SDL_RWops *rw;
@ -1061,61 +1050,8 @@ boolean I_LoadSong(char *data, size_t len)
// Everything that uses LOOPMS will work perfectly with SDL_Mixer.
}
}
else if (fpclassify(song_length) == FP_ZERO && !strncmp(p, key4, key4len)) // is it LENGTHMS=?
{
p += key4len; // skip LENGTHMS
song_length = (float)(atoi(p) / 1000.0L);
}
// below: search MP3 or other tags that use wide char encoding
else if (fpclassify(loop_point) == FP_ZERO && !memcmp(p, key1w, key1len*2)) // LOOP wide char
{
p += key1len*2;
if (!memcmp(p, key2w, (key2len+1)*2)) // POINT= wide char
{
p += (key2len+1)*2;
wstart = (size_t)p;
wp = 0;
while (wp < 9 && memcmp(p, wterm, 2))
{
wval[wp] = *p;
p += 2;
wp = ((size_t)(p-wstart))/2;
}
wval[min(wp, 9)] = 0;
loop_point = (float)((44.1L+atoi(wval) / 44100.0L));
}
else if (!memcmp(p, key3w, (key3len+1)*2)) // MS= wide char
{
p += (key3len+1)*2;
wstart = (size_t)p;
wp = 0;
while (wp < 9 && memcmp(p, wterm, 2))
{
wval[wp] = *p;
p += 2;
wp = ((size_t)(p-wstart))/2;
}
wval[min(wp, 9)] = 0;
loop_point = (float)(atoi(wval) / 1000.0L);
}
}
else if (fpclassify(song_length) == FP_ZERO && !memcmp(p, key4w, (key4len+1)*2)) // LENGTHMS= wide char
{
p += (key4len+1)*2;
wstart = (size_t)p;
wp = 0;
while (wp < 9 && memcmp(p, wterm, 2))
{
wval[wp] = *p;
p += 2;
wp = ((size_t)(p-wstart))/2;
}
wval[min(wp, 9)] = 0;
song_length = (float)(atoi(wval) / 1000.0L);
}
if (fpclassify(loop_point) != FP_ZERO && fpclassify(song_length) != FP_ZERO && song_length > loop_point) // Got what we needed
// the last case is a sanity check, in case the wide char searches were false matches.
if (fpclassify(loop_point) != FP_ZERO) // Got what we needed
break;
else // continue searching
p++;