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4) The client continues to send 512 bytes of u-Law data with a 12-byte header.
5) To end, disconnect TCP49298.
30.2. Restrictions
Restrictions on Number of Clients
Only 1 client is allowed to send audio data to the camera. the camera will return an error for this API and TCP will
be disconnected when this function is currently in use by another client.
Timing of Data Sending
512 bytes, or in other words, 64 msec of audio data may be sent during each transmission. Send audio data at
intervals as evenly as possible. A part of the data may be lost if audio data exceeding 2 seconds are sent to the
camera at one time.
31. Getting SD Card data from the Camera via RTSP/RTP
RTSP of the camera is RFC2326 compliant.
31.1. URI
URI for RTSP is
rtsp://ipaddress/PSIA/Streaming/tracks
31.2. Playback control
For Playback control, the messages is used as below,
Control command
Method Header Example
Play PLAY Range Range:
clock=20120518T135717Z
Pause PAUSE -
KeepAlive GET_PARAMETER -
Specify start time by request header “Range”.
For keep-alive control, issue the GET_PARAMETER method in 3 seconds during receiving data.
Keep the message interval is longer than 200 milliseconds.
0x00000080
Volume of p
ayload (512 for u
-
Law)
Time stamp in 8kHz
u-Law data (512 bytes)