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-rw-r--r--DOCS/tech/mpcf.txt4
1 files changed, 3 insertions, 1 deletions
diff --git a/DOCS/tech/mpcf.txt b/DOCS/tech/mpcf.txt
index de4a324ed1..3c5c0d7277 100644
--- a/DOCS/tech/mpcf.txt
+++ b/DOCS/tech/mpcf.txt
@@ -284,10 +284,12 @@ msb_timestamp_flag
MUST be 1 for keyframes
subpacket_type
- 00 1 subpacket per packet (normally used for video)
+ 00 1 subpacket per packet (video, ...)
01 subpacket_count fixed length subpackets per packet
10 subpacket_count variable length subpackets per packet
11 reserved
+ the only legal subpacket_type for video streams is 00, so video streams
+ MUST NOT contain multiple subpackets per packet
Note, if there are multiple subpackets then the timestamp of the packet
is the timestamp of the first subpacket
Note, if multiple subpackets are stored in one frame then the resulting