[AD] [ alleg-Patches-1223015 ] load_midi RMI capability

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Patches item #1223015, was opened at 2005-06-18 02:13
Message generated for change (Tracker Item Submitted) made by Item Submitter
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https://sourceforge.net/tracker/?func=detail&atid=305665&aid=1223015&group_id=5665

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Category: Core Library
Group: None
Status: Open
Resolution: None
Priority: 5
Submitted By: DrV (i_am_drv)
Assigned to: Nobody/Anonymous (nobody)
Summary: load_midi RMI capability

Initial Comment:
Trivial modification to allow load_midi to read RMI
files (MIDI file within RIFF file); rejects non-RMID
RIFF files (i.e. WAV, etc.).  No other changes to
existing functionality.



--- midi-orig.c	2005-04-02 18:46:20.000000000 +0000
+++ midi.c	2005-06-17 21:10:02.000000000 +0000
@@ -179,6 +179,25 @@
    }
 
    pack_fread(buf, 4, fp);                   /* read
midi header */
+   
+   if (memcmp(buf, "RIFF", 4) == 0) {        /* check
for RIFF header */   
+       pack_mgetl(fp);
+       
+       while (!pack_feof(fp)) {
+          pack_fread(buf, 4, fp);            /* RMID
chunk? */
+          if (memcmp(buf, "RMID", 4) == 0) break;
+          
+          pack_fseek(fp, pack_igetl(fp));    /* skip
to next chunk */
+       }
+       
+       if (pack_feof(fp)) goto err;
+       
+       pack_mgetl(fp);
+       pack_mgetl(fp);
+       
+       pack_fread(buf, 4, fp);               /* read
midi header */
+   }
+
    if (memcmp(buf, "MThd", 4))
       goto err;
 


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