If I'm right, yes. I'm making a patch to test this idea.
BTW, what is the source of the feed?
Joshua Kordani
LSA Autonomy
On 6/12/14 12:23 PM, Manuel Torres wrote:
Does that mean that I will not be able to open the stream unless I modify
the libav code?
On Thu, Jun 12, 2014 at 5:54 PM, Joshua Kordani <[email protected]> wrote:
Additionally, the rtpmap line in the sdp file comes AFTER the fmtp line,
this causes wireshark to be confused, and according to the comments in
libavformat/rtsp.c, may not be handled by the library, as the dynamic
handler may not have the knowledge that the fmtp string is associated with
an h264 stream, so the sprops-param line may just be discarded.
Joshua Kordani
LSA Autonomy
On 6/12/14 10:24 AM, Joshua Kordani wrote:
It also should be noted that in the sdp, the server is indicating that it
will only be providing single nal packets "packetization-mode=0" but
instead provides an rtp stream with fragmented nals. In this case,
packetization-mode should be non-zero. I don't know if this is confusing
the library at all (I doubt it) but I figured I'd say something.
Joshua Kordani
LSA Autonomy
On 6/12/14 2:07 AM, Manuel Torres wrote:
SPS and PPS are not present. I can see IDRs with a frequency of 60-100ms.
Any thoughts?
On Thu, Jun 12, 2014 at 7:50 AM, Manuel Torres <
[email protected]> wrote:
This is what avplay displays when opening the stream:
http://pastebin.com/K6jmtGps
My code can open the BigBuckBunny stream.
I will now check the Wireshark capture and let you know.
On Wed, Jun 11, 2014 at 7:34 PM, Joshua Kordani <[email protected]>
wrote:
and alternatively, what happens when you point your code at the
following
rtsp url?
rtsp://184.72.239.149/vod/mp4:BigBuckBunny_115k.mov
Joshua Kordani
LSA Autonomy
On 6/11/14 11:49 AM, Manuel Torres wrote:
Done. I captured just a few seconds to keep the file size low. Here is
the
download link:
https://www.wetransfer.com/downloads/8d6c64606d347f395c6a0dfd870241
9b20140611154702/5f67e064c7ebf8c694577589d69c1d5420140611154702/c7dee4
On Wed, Jun 11, 2014 at 5:32 PM, Joshua Kordani <[email protected]>
wrote:
Can you make a short wireshark capture that includes the rtsp as
well as
the rtp traffic going from this camera, for, say, 30 seconds? Do
this
using your program to start the feed.
Joshua Kordani
LSA Autonomy
On 6/11/14 11:21 AM, Manuel Torres wrote:
No. It is an external source of which I have no control and I
cannot
figure
out what is diferent in it from the rest if the sources I can open
with
both avplay and my code. It puzzles me even more that VLC and
MPlayer
do
open the stream.
Enviado desde dispositivo móvil.
Sent from mobile device.
On Jun 11, 2014 5:15 PM, "Joshua Kordani" <[email protected]>
wrote:
Are you creating this stream yourself?
Joshua Kordani
LSA Autonomy
On 6/11/14 11:08 AM, Manuel Torres wrote:
If by "resource" you mean the URL, the answer is no, avplay
does not
display the video. The traces in my first e-mail are also
displayed
by
avplay, that is, no size and no color space.
Enviado desde dispositivo móvil.
Sent from mobile device.
On Jun 11, 2014 4:10 PM, "Luca Barbato" <[email protected]>
wrote:
On 11/06/14 09:41, Manuel Torres wrote:
First of all, thank you Luca and Joshua for taking the time to
help
me
and
thank you very much Joshua for that awesome explanation. I
see
that
there
is a lot to learn.
Back on topic:
I checked the format context and the codec context and I only
found an
empty (NULL) "extradata" field in the codec context. I also
checked
some
other fields in both structures where I thought the data could
be
but
found
nothing. Am I looking in the right place?
Looks quite strange, if you just do avplay rtsp://resource
does it play?
lu
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