libmp4v2: support opus in isobmff

nu774 · Jan 20, 2024 · 8c8dcfc · 8c8dcfc
1 parent e1eee23
commit 8c8dcfc
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Showing 3 changed files with 7 additions and 0 deletions.
diff --git a/mp4v2/src/atom_sound.cpp b/mp4v2/src/atom_sound.cpp
@@ -45,6 +45,8 @@ MP4SoundAtom::MP4SoundAtom(MP4File &file, const char *atomid)
         //AddProperty( new MP4BytesProperty(*this, "alacInfo", 36));
     } else if (ATOMID(atomid) == ATOMID("fLaC")) {
         ExpectChildAtom("dfLa", Optional, Optional);
+    } else if (ATOMID(atomid) == ATOMID("Opus")) {
+        ExpectChildAtom("dOps", Optional, Optional);
     }
 }
 

diff --git a/mp4v2/src/atom_stsd.cpp b/mp4v2/src/atom_stsd.cpp
@@ -63,6 +63,7 @@ MP4StsdAtom::MP4StsdAtom(MP4File &file)
     ExpectChildAtom("tx3g", Optional, Many);
     ExpectChildAtom("ac-3", Optional, Many);
     ExpectChildAtom("fLaC", Optional, Many);
+    ExpectChildAtom("Opus", Optional, Many);
 }
 
 void MP4StsdAtom::Read()

diff --git a/mp4v2/src/mp4atom.cpp b/mp4v2/src/mp4atom.cpp
@@ -819,6 +819,10 @@ MP4Atom::factory( MP4File &file, MP4Atom* parent, const char* type )
 
     // no-context construction (old-style)
     switch( (uint8_t)type[0] ) {
+        case 'O':
+            if( ATOMID(type) == ATOMID("Opus") )
+                return new MP4SoundAtom(file, type);
+            break;
         case 'S':
             if( ATOMID(type) == ATOMID("SVQ3") )
                 return new MP4VideoAtom( file, type );