Video recording with 30 frame rate.
Dušan Poizl
poizl at maindata.sk
Mon Aug 18 09:41:54 PDT 2014
try run gst-launch-0.10 v4l2src device=/dev/video1 !
video/x-raw-yuv,format=I420 ! ffmpegcolorspace ! avimux ! filesink
location=test.avi
Dňa 18.08.2014 o 14:36 stmoon napísal(a):
> Thank you very much..
>
> However, I cannot solve this problem
>
> I attach the log (GST_DEBUG=4 )
>
>
> 2014-08-18 18:46 GMT+09:00 Dušan Poizl [via GStreamer-devel] <[hidden
> email] </user/SendEmail.jtp?type=node&node=4668329&i=0>>:
>
> I have same issue with my notebook webcam. When you run
> GST_DEBUG=4 gst-launch v4l2src ! xvimagesink it should print out
>
> v4l2 gstv4l2object.c:2729:gst_v4l2_object_get_caps:<v4l2src0>
> probed caps: video/x-raw, format=(string)YUY2, width=(int)1280,
> height=(int)720, pixel-aspect-ratio=(fraction)1/1,
> interlace-mode=(string)progressive, framerate=(fraction){ 10/1 };
> video/x-raw, format=(string)YUY2, width=(int)960, height=(int)544,
> pixel-aspect-ratio=(fraction)1/1,
> interlace-mode=(string)progressive, framerate=(fraction){ 10/1 };
> ... and much more
>
> one of the caps is "video/x-raw, format=(string)I420,
> width=(int)1280, height=(int)720,
> pixel-aspect-ratio=(fraction)1/1,
> interlace-mode=(string)progressive, framerate=(fraction){ 30/1 }"
>
> so first caps which is printed is YUV2 format but only 10fps. but
> there is I420 which enable 30fps. So try run your piepline with
> GST_DEBUG=4 so you find out all supported caps to find suitable
> format.
>
> Dňa 18.08.2014 o 03:07 stmoon napísal(a):
>> no...
>>
>>
>> 1280x720 and 30 fps .. but webm file is generated...
>>
>>
>>
>>
>>
>> 2014-08-18 1:36 GMT+09:00 Dušan Poizl [via GStreamer-devel]
>> <[hidden email]
>> <http://user/SendEmail.jtp?type=node&node=4668325&i=0>>:
>>
>> what resolution have that cheese? because you may limit your
>> resolution
>> to 640x480 to be able record 30fps.
>>
>> Dňa 17.08.2014 o 16:20 stmoon napísal(a):
>>
>> > Hi. I'm newbie of GStreamer.
>> >
>> >
>> > I want to record video from camera (
>> >
>> http://www.hardkernel.com/main/products/prdt_info.php?g_code=G137517754892 )
>>
>> >
>> > so I use gst-launch like below
>> >
>> > gst-launch-0.10 v4l2src device=/dev/video1 !
>> ffmpegcolorspace ! avimux !
>> > filesink location=test.avi
>> >
>> > however the problem is the frame rate is 10 !!!
>> >
>> > in this website
>> >
>> (http://www.hardkernel.com/main/products/prdt_info.php?g_code=G137517754892)
>>
>> > , it can record 30 frame
>> > however it can reocrd just 10 frame.
>> >
>> > Can you advice me how to control the frame rate?
>> >
>> > I tried something like below.. but all fails...
>> >
>> > 1. gst-launch-0.10 v4l2src device=/dev/video1 !
>> video/x-raw-yuv,width=1280,
>> > height=720, framerate=30/1 ! ffmpegcolorspace ! avimux !
>> filesink
>> > location=test.avi
>> > ==> in this case, just record 1 sec or 3 sec and.. too
>> fast..
>> >
>> > However, I can record it with 30 frame rate by using cheese
>> program
>> > (https://help.ubuntu.com/community/Webcam)
>> >
>> > Thank you in advances
>> >
>> >
>> >
>> >
>> >
>> >
>> > --
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