MimeDetector: correct logic

Author: pschatzmann

src/AudioTools/AudioCodecs/MultiDecoder.h

@@ -65,8 +65,8 @@ class MultiDecoder : public AudioDecoder {
     // find the corresponding decoder
     for (int j = 0; j < decoders.size(); j++) {
       DecoderInfo info = decoders[j];
-      if (StrView(info.mime).equalsIgnoreCase(mime)) {
-        LOGI("New decoder found for %s", info.mime);
+      if (StrView(info.mime).equals(mime)) {
+        LOGI("New decoder found for %s (%s)", info.mime, mime);
         actual_decoder = info;
         // define output if it has not been defined
         if (p_print!=nullptr 

src/AudioTools/CoreAudio/MimeDetector.h

@@ -64,15 +64,18 @@ class MimeDetector {
       const uint8_t* start = (const uint8_t*)data;
       if (start[0] == 0xFF && start[1] == 0xF1) {
         mime = "audio/aac";
-      } else if (memcmp(start, "ID3", 3) || start[0] == 0xFF ||
-                 start[0] == 0xFE) {
-        mime = "audio/mpeg";
-      } else if (memcmp(start, "RIFF", 4)) {
+      } else if (memcmp(start, "RIFF", 4)==0) {
         mime = "audio/vnd.wave";
-      } else if (memcmp(start, "OggS", 4)) {
+      } else if (memcmp(start, "OggS", 4)==0) {
         mime = "audio/ogg";
+      } else if (memcmp(start, "ID3", 3)==0 || start[0] == 0xFF ||
+                 start[0] == 0xFE) {
+        mime = "audio/mpeg";
       }
     }
+    if (mime != nullptr) {
+      LOGI("Determined mime: %s", mime);
+    }
     return mime;
   }
 };