Merge pull request #5 from WinampDesktop/community

Merge to main

1 files changed, 36 insertions, 0 deletions

diff --git a/Src/Plugins/Input/in_flv/FLVStreamHeader.cpp b/Src/Plugins/Input/in_flv/FLVStreamHeader.cpp
new file mode 100644
index 00000000..8f1ef49e
--- /dev/null
+++ b/Src/Plugins/Input/in_flv/FLVStreamHeader.cpp
@@ -0,0 +1,36 @@
+#include "FLVStreamHeader.h"
+#include "FLVUtil.h"
+/*
+(c) 2006 Nullsoft, Inc.
+Author: Ben Allison benski@nullsoft.com 
+*/
+
+/*
+PreviousTagSize  - uint32   - total size of previous tag, presumably for stream continuity checking.  big endian
+Type             - uint8    - what does this frame contain?  0x12=meta, 0x8=audio, 0x9=video
+BodyLength       - uint24   - size of the data following this header.  big endian
+Timestamp        - uint24   - timestamp (milliseconds).  big endian
+Timestamp High   - uint8    - high 8 bits of timestamp (to form 32bit timestamp)
+Stream ID        - uint24   - always zero
+*/
+
+bool FLVStreamHeader::Read(uint8_t *data, size_t size)
+{
+	if (size < 15)
+		return false; // header size too small
+
+	previousSize = FLV::Read32(&data[0]);
+	type = data[4];
+	dataSize = FLV::Read24(&data[5]);
+	timestamp = FLV::Read24(&data[8]);
+	uint8_t timestampHigh = FLV::Read8(&data[11]);
+	timestamp |= (timestampHigh << 24);
+	streamID = FLV::Read24(&data[12]);
+
+	if (streamID != 0)
+		return false;
+
+	return true;
+
+
+}
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