[libav-tools] Set a custom Header in RTSP stream
white.lists at gmail.com
Thu May 8 14:15:52 CEST 2014
I am trying to play a chunk of video retrieved from an Axis
M3004V<http://www.axis.com/products/cam_m3004v/>camera. The camera is
continuously recording video in an internal MicroSD
card. That video receives a recordingid I can use to query. According to
what it says on the Axis API documentation (on the Edge Storage and the
Video Streaming Vapix documents) I can specify an start time and end time
for the play through a custom header in the request. Let's say that video
has been recording from 2014-05-01T00:00:00Z until... meh... now.
Apparently, if I were able to send an RTSP request with:
I would get a 1 minute play from 00:00:01 to 00:00:02.
I'm trying to set that custom header using avplay like this:
avplay -f rtsp -rtsp_transport http \
user:password at 192.168.1.5/axis-media/media.amp?recordingid=20140505_000000_5E99_00408CAABBCC
But when I try that, I get an Option headers not found error:
[rtsp @ 0x7f4cb4005be0] video codec set to: h264
[NULL @ 0x7f4cb4004e20] RTP Packetization Mode: 1
[NULL @ 0x7f4cb4004e20] RTP Profile IDC: 4d Profile IOP: 40 Level: 29
[NULL @ 0x7f4cb4004e20] Extradata set to 0x7f4cb40014e0 (size: 29)!
[rtsp @ 0x7f4cb4005be0] hello state=0
Option headers not found.
And avplay stops.
I haven't been able to find any example on the web, but I'd say that the
option to pass custom headers to an RTSP stream was added to LibAv long
time ago (at least, according to this
2011 ) Maybe I'm not passing the argument properly? I have tried
several variations to the line above, such as removing the -f rtsp part,
change the -rtsp_transport to tcp instead of http, reorganizing the order
of my arguments.... Nothing worked. Nothing even produced a different error
Does anyone know how to pass custom headers to an RTSP request using libav?
I'm on a Lubuntu 14.04 (amd64) and avplay is version 9.11-6:9.11-2ubuntu2
Any help will be very appreciated. Thank you in advance.
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