+ AC-4: Add Bitstream level and Presentation level, fix

JeromeMartinez · JeromeMartinez · commit b9a443e390af · 2025-10-10T14:00:30.000+02:00
diff --git a/Source/MediaInfo/Audio/File_Ac4.cpp b/Source/MediaInfo/Audio/File_Ac4.cpp
@@ -1232,7 +1232,7 @@ void File_Ac4::Streams_Fill()
             if ((Presentation.b_multi_pid_PresentAndValue && Presentation.b_multi_pid_PresentAndValue != (int8u)-1) || Presentation.mdcompat > 4) {
                 continue;
             }
-            BitstreamLevel = min(BitstreamLevel == 4 ? 4 : 3, BitstreamLevel);
+            BitstreamLevel = min(Presentation.mdcompat == 4 ? 4 : 3, BitstreamLevel);
         }
     }
     Fill(Stream_Audio, 0, "BitstreamLevel", BitstreamLevel);

Original file line number	Diff line number	Diff line change
`@@ -1232,7 +1232,7 @@ void File_Ac4::Streams_Fill()`
`1232`	`1232`	`if ((Presentation.b_multi_pid_PresentAndValue && Presentation.b_multi_pid_PresentAndValue != (int8u)-1) \|\| Presentation.mdcompat > 4) {`
`1233`	`1233`	`continue;`
`1234`	`1234`	`}`
`1235`		`- BitstreamLevel = min(BitstreamLevel == 4 ? 4 : 3, BitstreamLevel);`
	`1235`	`+ BitstreamLevel = min(Presentation.mdcompat == 4 ? 4 : 3, BitstreamLevel);`
`1236`	`1236`	`}`
`1237`	`1237`	`}`
`1238`	`1238`	`Fill(Stream_Audio, 0, "BitstreamLevel", BitstreamLevel);`