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What steps will reproduce the problem?
1. Add a file to play (preferably something over an hour)
2. Enable the extra options and set the seek to 3000 second
3. Press play
What is the expected output?
The video will start at the 3000 second mark
What do you see instead?
A 6-8 minute delay before the video starts
The Operating system you are using (Linux, Windows etc)?
Linux (Kubuntu 14.10)
What version of WebcamStudio are you using?
0.72
What version of Java are you using?
java version "1.8.0_25"
Java(TM) SE Runtime Environment (build 1.8.0_25-b17)
Java HotSpot(TM) 64-Bit Server VM (build 25.25-b02, mixed mode)
What is your Webcamera vendor, model and version?
N/A
For *nix users please enter the output from "sudo lsusb"?
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 007 Device 002: ID 046d:0a29 Logitech, Inc.
Bus 007 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 013 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 012 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 011 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 010 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 006 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 005 Device 003: ID 046d:c52b Logitech, Inc. Unifying Receiver
Bus 005 Device 002: ID 0a5c:21e8 Broadcom Corp. BCM20702A0 Bluetooth 4.0
Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 001 Device 003: ID 046d:0825 Logitech, Inc. Webcam C270
Bus 001 Device 077: ID 04e8:6865 Samsung Electronics Co., Ltd GT-I9300 Phone
[Galaxy S III] (PTP mode)
Bus 001 Device 002: ID 0bc2:3008 Seagate RSS LLC
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 009 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 008 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Original issue reported on code.google.com by [email protected] on 31 Jan 2015 at 4:33
The text was updated successfully, but these errors were encountered:
Just as a follow-up, I tried using both Libav and Gstreamer back-ends. Both
took extended times if the seek was large.
Using a file with a play time of 5179s:
Seek Time until play starts
---- ----------------------
0 1s
50 4s
100 8s
500 42s
1000 84s
3000 253s
Hi SteelCityScores,
thanks for reporting.
WS is based upon avconv/ffmpeg and gst-launch 0.10/1.x commands for the
Audio/Video Capture.
Unfortunately Avconv/ffmpeg seek (-ss) option is really really slow, and maybe
the associated command cam be improved (the actual avconv video part):
$ avconv -v 0 -vsync cfr -i /home/karl/Videos/Video.flv -an -ss 0 -strict
experimental -f rawvideo -vcodec rawvideo -pix_fmt rgb24 -s 640x480 -r 25
tcp://127.0.0.1:56399
I didn't find nothing to make -ss option faster, and if you have any idea is
very welcome.
The gst-launch command (Gstreamer backend) uses Gnonlin to seek video and, in
my tests, the playback starts almost instantly when gstreamer backend is
selected, even with 3000 secs of seek value.
I think that between your tests you try to switch backend using the top three
buttons with the logos. Those buttons only switch backends for the outputs
streams (the ones on the right: "Audio Output", "Record", "WSVideodevice", etc
..)
To change the backend for the current loaded stream you have to use the "light
bulb" icon located in the Stream-Panel menu bar (the one you use to "show more
options" and get the seek field shown).
If I’m wrong please share more infos about the video format, and your HW
specs.
Thanks.
karl
Original issue reported on code.google.com by
[email protected]
on 31 Jan 2015 at 4:33The text was updated successfully, but these errors were encountered: