diff --git a/av1/av1configuration.cpp b/av1/av1configuration.cpp
index 0a92a92..05c1c3d 100644
--- a/av1/av1configuration.cpp
+++ b/av1/av1configuration.cpp
@@ -3,9 +3,11 @@
 #include "../diagnostics.h"
 #include "../exceptions.h"
 
+#include <c++utilities/conversion/stringbuilder.h>
 #include <c++utilities/io/binaryreader.h>
 
 using namespace std;
+using namespace ConversionUtilities;
 using namespace IoUtilities;
 
 namespace TagParser {
@@ -19,14 +21,20 @@ namespace TagParser {
  * \brief Parses the AV1 configuration using the specified \a reader.
  * \throws Throws TruncatedDataException() when the config size exceeds the specified \a maxSize.
  * \remarks Logging/reporting parsing errors is not implemented yet.
- * \todo Provide implementation
+ * \todo Read all fields.
  */
 void Av1Configuration::parse(BinaryReader &reader, uint64 maxSize, Diagnostics &diag)
 {
-    VAR_UNUSED(reader)
-    VAR_UNUSED(maxSize)
-    VAR_UNUSED(diag)
-    throw NotImplementedException();
+    if (maxSize < 4) {
+        throw TruncatedDataException();
+    }
+    markerAndVersion = reader.readUInt32BE();
+    if (marker() != 1) {
+        diag.emplace_back(DiagLevel::Warning, argsToString("Marker is ", marker(), " (and not 1)."), "parsing AV1 config");
+    }
+    if (version() != 1) {
+        diag.emplace_back(DiagLevel::Warning, argsToString("Version ", version(), " is not supported (only 1)."), "parsing AV1 config");
+    }
 }
 
 } // namespace TagParser
diff --git a/av1/av1configuration.h b/av1/av1configuration.h
index c79a62b..ecac726 100644
--- a/av1/av1configuration.h
+++ b/av1/av1configuration.h
@@ -15,8 +15,11 @@ class MediaFormat;
 class Diagnostics;
 
 struct TAG_PARSER_EXPORT Av1Configuration {
-    Av1Configuration();
+    constexpr Av1Configuration();
+    // FIXME: make this uint32 in v9
     uint64 markerAndVersion;
+
+    // FIXME: get rid of unused members in v9
     uint64 profileAndLevel;
     byte tier;
     byte highBitdepth;
@@ -27,12 +30,24 @@ struct TAG_PARSER_EXPORT Av1Configuration {
     uint16 chromaSamplePosition;
 
     void parse(IoUtilities::BinaryReader &reader, uint64 maxSize, Diagnostics &diag);
+
+    constexpr byte marker() const;
+    constexpr byte version() const;
+    constexpr byte sequenceProfile() const;
+    constexpr byte sequenceLevelIndex() const;
+    constexpr byte sequenceTier() const;
+    constexpr byte isHighBitDepth() const;
+    constexpr byte isTwelveBit() const;
+    constexpr byte isMonochrome() const;
+    constexpr byte hasChromaSubsamplingX() const;
+    constexpr byte hasChromaSubsamplingY() const;
+    constexpr byte chromaSamplePos() const;
 };
 
 /*!
  * \brief Constructs an empty AVC configuration.
  */
-inline Av1Configuration::Av1Configuration()
+constexpr Av1Configuration::Av1Configuration()
     : markerAndVersion(0)
     , profileAndLevel(0)
     , tier(0)
@@ -45,6 +60,61 @@ inline Av1Configuration::Av1Configuration()
 {
 }
 
+constexpr byte Av1Configuration::marker() const
+{
+    return static_cast<byte>((markerAndVersion >> (32 - 1)) & 0x01);
+}
+
+constexpr byte Av1Configuration::version() const
+{
+    return static_cast<byte>((markerAndVersion >> (32 - 1 - 7)) & 0x7F);
+}
+
+constexpr byte Av1Configuration::sequenceProfile() const
+{
+    return static_cast<byte>((markerAndVersion >> (32 - 1 - 7 - 3)) & 0x07);
+}
+
+constexpr byte Av1Configuration::sequenceLevelIndex() const
+{
+    return static_cast<byte>((markerAndVersion >> (32 - 1 - 7 - 3 - 5)) & 0x1F);
+}
+
+constexpr byte Av1Configuration::sequenceTier() const
+{
+    return static_cast<byte>((markerAndVersion >> (32 - 1 - 7 - 3 - 5 - 1)) & 0x01);
+}
+
+constexpr byte Av1Configuration::isHighBitDepth() const
+{
+    return static_cast<byte>((markerAndVersion >> (32 - 1 - 7 - 3 - 5 - 1 - 1)) & 0x01);
+}
+
+constexpr byte Av1Configuration::isTwelveBit() const
+{
+    return static_cast<byte>((markerAndVersion >> (32 - 1 - 7 - 3 - 5 - 1 - 1)) & 0x01);
+}
+
+constexpr byte Av1Configuration::isMonochrome() const
+{
+    return static_cast<byte>((markerAndVersion >> (32 - 1 - 7 - 3 - 5 - 1 - 1 - 1)) & 0x01);
+}
+
+constexpr byte Av1Configuration::hasChromaSubsamplingX() const
+{
+    return static_cast<byte>((markerAndVersion >> (32 - 1 - 7 - 3 - 5 - 1 - 1 - 1 - 1)) & 0x01);
+}
+
+constexpr byte Av1Configuration::hasChromaSubsamplingY() const
+{
+    return static_cast<byte>((markerAndVersion >> (32 - 1 - 7 - 3 - 5 - 1 - 1 - 1 - 1 - 1)) & 0x01);
+}
+
+constexpr byte Av1Configuration::chromaSamplePos() const
+{
+    return static_cast<byte>((markerAndVersion >> (32 - 1 - 7 - 3 - 5 - 1 - 1 - 1 - 1 - 1 - 1)) & 0x03);
+}
+
 } // namespace TagParser
 
 #endif // TAG_PARSER_AV1CONFIGURATION_H