MetaData: Introduce missing keys

headers/os/codec/MetaData.h

@@ -34,21 +34,26 @@ extern const char* kNumTracks;			// uint32
 extern const char* kDrmCrippled;		// bool
 
 // Stuff needed to fully describe the BMediaFormat
+// TODO: Shouldn't we just use MIME types for it?
 extern const char* kMediaType;			// media_type
 // Audio stuff
 extern const char* kChannelCount;		// uint32
 extern const char* kAudioFormat;		// uint32
 extern const char* kByteOrder;			// uint32
 extern const char* kBufferSize;			// size_t
+// Multiaudio
+extern const char* kChannelMask;		// size_t
+
 // This is also BMediaFormat stuff, but mostly video
 // NOTE: video width/height are defined as per RFC mentioned above
-extern const char* kLineWidth;			// uint32
-extern const char* kLineCount;			// uint32
 extern const char* kBytesPerRow;		// uint32
 extern const char* kPixelOffset;		// uint32
 extern const char* kLineOffset;			// uint32
 extern const char* kColorSpace;			// color_space
 extern const char* kOrientation;		// uint32
+extern const char* kVideoFrameSize;		// uint32
+
+extern const char* kEncoding;			// uint32
 
 // General use attributes
 extern const char* kTitle;				// BString
@@ -113,7 +118,7 @@ public:
 	bool				GetBool(const char* key, bool* value) const;
 	bool				GetUInt32(const char* key, uint32* value) const;
 	bool				GetUInt64(const char* key, uint64* value) const;
-	bool				GetFloat(const char* key, float* value);
+	bool				GetFloat(const char* key, float* value) const;
 
 	bool				HasString(const char* key) const;
 	bool				HasBool(const char* key) const;

src/kits/codec/MetaData.cpp

@@ -38,6 +38,7 @@ const char* kChannelCount		= "channelcount";
 const char* kAudioFormat		= "audioformat";
 const char* kByteOrder			= "byteorder";
 const char* kBufferSize			= "buffersize";
+const char* kChannelMask		= "channelmask";
 
 const char* kLineWidth			= "linewidth";
 const char* kLineCount			= "linecount";
@@ -47,6 +48,10 @@ const char* kLineOffset			= "lineoffset";
 const char* kColorSpace			= "colorspace";
 const char* kOrientation		= "orientation";
 
+const char* kVideoFrameSize		= "orientation";
+
+const char* kEncoding			= "encoding";
+
 const char* kTitle				= "title";
 const char* kComment			= "comment";
 const char* kCopyright			= "copyright";
@@ -134,6 +139,20 @@ BMetaData::SetFloat(const char* key, float value)
 }
 
 
+bool
+BMetaData::GetUInt32(const char* key, uint32* value) const
+{
+	return fMessage->FindUInt32(key, value) == B_OK ? true : false;
+}
+
+
+bool
+BMetaData::GetFloat(const char* key, float* value) const
+{
+	return fMessage->FindFloat(key, value) == B_OK ? true : false;
+}
+
+
 bool
 BMetaData::GetString(const char* key, BString* value) const
 {