[gst-devel] how to create a pipeline to record video from camera?

michael mcygogo at gmail.com
Thu Dec 23 07:52:08 CET 2010 

Really!!?? but it's not work on my book!! God,,   this issue drives me
crazy!! :(

On Thu, Dec 23, 2010 at 2:42 PM, liJin <lijinsyam at gmail.com> wrote:

> Hi
>
>
> gst-launch -e v4l2src ! 'video/x-raw-yuv,width=320,height=240,
> framerate=30/1' ! ffmpegcolorspace ! x264enc ! mp4mux ! filesink
> location=1.mp4
>
> This pipeline working fine  (4 me)......:)
>
>
> On Thu, Dec 23, 2010 at 12:08 PM, michael <mcygogo at gmail.com> wrote:
>
>> Is there nobody know how to record video from camera to a MP4 container
>> with the H264 encoding ?
>>
>>
>> On Thu, Dec 23, 2010 at 9:46 AM, michael <mcygogo at gmail.com> wrote:
>>
>>> neither qtmux nor mp4mux is not work well
>>>
>>>
>>> On Wed, Dec 22, 2010 at 11:24 PM, Timothy Braun <braunsquared at gmail.com>wrote:
>>>
>>>> Not qtmux, use mp4mux.
>>>>
>>>>
>>>> On Wed, Dec 22, 2010 at 10:10 AM, michael <mcygogo at gmail.com> wrote:
>>>>
>>>>> I have tested changing the muxer to qtmux, but it still not work
>>>>>
>>>>>
>>>>> On Wed, Dec 22, 2010 at 10:58 PM, Timothy Braun <
>>>>> braunsquared at gmail.com> wrote:
>>>>>
>>>>>> I was never able to get the ffmpeg mpeg4 mixer to work quite right. I
>>>>>> found that mp4mux, an extension of qtmux, works much better. If you inspect
>>>>>> the ffmpeg mp4 muxer they actually suggest that you use a different one as
>>>>>> it's unstable.
>>>>>>
>>>>>> Best,
>>>>>> Tim
>>>>>>
>>>>>> Sent from my iPhone
>>>>>>
>>>>>> On Dec 22, 2010, at 8:27 AM, michael <mcygogo at gmail.com> wrote:
>>>>>>
>>>>>> I just ran it :
>>>>>> gst-launch -e v4l2src num-buffers=200  !
>>>>>> video/x-raw-yuv,width=640,height=480,framerate=30/1 ! ffmpegcolorspace !
>>>>>> ffenc_mpeg4 ! mp4mux ! filesink location=record.mp4
>>>>>> And got a mp4 file , but it still cannot be playbacked, and give the
>>>>>> error info:
>>>>>> Playing record.mp4.
>>>>>> libavformat file format detected.
>>>>>> [mpeg4 @ 0x9376c10]hmm, seems the headers are not complete, trying to
>>>>>> guess time_increment_bits
>>>>>> [mpeg4 @ 0x9376c10]my guess is 5 bits ;)
>>>>>> [mpeg4 @ 0x9376c10]looks like this file was encoded with
>>>>>> (divx4/(old)xvid/opendivx) -> forcing low_delay flag
>>>>>> [mpeg4 @ 0x9376c10]picture size invalid (0x0)
>>>>>> [mpeg4 @ 0x9376c10]get_buffer() failed (-1 0 0 (nil))
>>>>>> [mov,mp4,m4a,3gp,3g2,mj2 @ 0x9375640]Could not find codec parameters
>>>>>> (Video: mpeg4, yuv420p)
>>>>>> LAVF_header: av_find_stream_info() failed
>>>>>> ISO: File Type Major Brand: ISO/IEC 14496-1 (MPEG-4 system) v2
>>>>>> Quicktime/MOV file format detected.
>>>>>> [mov] Video stream found, -vid 0
>>>>>> VIDEO:  [mp4v]  640x480  24bpp    inf fps    0.0 kbps ( 0.0 kbyte/s)
>>>>>> open: No such file or directory
>>>>>> [MGA] Couldn't open: /dev/mga_vid
>>>>>> open: No such file or directory
>>>>>> [MGA] Couldn't open: /dev/mga_vid
>>>>>> [VO_TDFXFB] Can't open /dev/fb0: Permission denied.
>>>>>> [VO_3DFX] Unable to open /dev/3dfx.
>>>>>>
>>>>>> ==========================================================================
>>>>>> Opening video decoder: [ffmpeg] FFmpeg's libavcodec codec family
>>>>>> Selected video codec: [ffodivx] vfm: ffmpeg (FFmpeg MPEG-4)
>>>>>>
>>>>>> ==========================================================================
>>>>>> Audio: no sound
>>>>>> Starting playback...
>>>>>> VDec: vo config request - 640 x 480 (preferred colorspace: Planar
>>>>>> YV12)
>>>>>> VDec: using Planar YV12 as output csp (no 0)
>>>>>> Movie-Aspect is 1.33:1 - prescaling to correct movie aspect.
>>>>>> VO: [xv] 640x480 => 640x480 Planar YV12
>>>>>> V:   0.0 200/200 ??% ??% ??,?% 0 0
>>>>>>
>>>>>> Exiting... (End of file)
>>>>>>
>>>>>> But the error info not like the old one!
>>>>>>
>>>>>> On Wed, Dec 22, 2010 at 9:17 PM, liJin < <lijinsyam at gmail.com>
>>>>>> lijinsyam at gmail.com> wrote:
>>>>>>
>>>>>>> I think thats the issue...
>>>>>>>
>>>>>>>
>>>>>>> gst-launch -e v4l2src ! 'video/x-raw-yuv,width=320,height=240,
>>>>>>> framerate=30/1' ! ffmpegcolorspace ! ffenc_mpeg4 ! mp4mux ! filesink
>>>>>>> location=1.mp4
>>>>>>>
>>>>>>> run with* -e *option
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> On Wed, Dec 22, 2010 at 6:01 PM, Santakivi Topi <<Topi.Santakivi at digia.com>
>>>>>>> Topi.Santakivi at digia.com> wrote:
>>>>>>>
>>>>>>>> On 12/22/2010 12:18 PM, michael wrote:
>>>>>>>> > Now I can record the video to a AVI file with mpeg4 encoding by :
>>>>>>>> > gst-launch v4l2src ! 'video/x-raw-yuv,width=320,height=240,
>>>>>>>> > framerate=30/1' ! ffmpegcolorspace ! ffenc_mpeg4! avimux! filesink
>>>>>>>> > location=record.avi
>>>>>>>> >
>>>>>>>> > But I got two issues:
>>>>>>>> > 1: I want record as a MP4 file, I do it like this:
>>>>>>>> > gst-launch v4l2src ! 'video/x-raw-yuv,width=320,height=240,
>>>>>>>> > framerate=30/1' ! ffmpegcolorspace ! ffenc_mpeg4 ! mp4mux!
>>>>>>>> filesink
>>>>>>>> > location=record.avi
>>>>>>>> > I can record the video , but when I playback it by mplayer, I got
>>>>>>>> a error:
>>>>>>>> > Playing ./record.mp4.
>>>>>>>> > libavformat file format detected.
>>>>>>>> > [mov,mp4,m4a,3gp,3g2,mj2 @ 0x8741640]moov atom not found
>>>>>>>> > LAVF_header: av_open_input_stream() failed
>>>>>>>> > ISO: File Type Major Brand: ISO/IEC 14496-1 (MPEG-4 system) v2
>>>>>>>>
>>>>>>>> When recording, with the above gst-launch line, do you stop
>>>>>>>> the pipeline with Ctrl+C..?
>>>>>>>>
>>>>>>>> It could be that the file container doesn't get fully written
>>>>>>>> in case of such an interrupt and that's why the clip doesn't play.
>>>>>>>>
>>>>>>>> For example, if you use this pipeline and
>>>>>>>> stop it with Ctrl+C, the clip doesn't play:
>>>>>>>>
>>>>>>>> gst-launch-0.10 videotestsrc !
>>>>>>>> 'video/x-raw-yuv,width=320,height=240,framerate=30/1' !
>>>>>>>> ffmpegcolorspace
>>>>>>>> ! ffenc_mpeg4 ! mp4mux ! filesink location=test.mp4
>>>>>>>>
>>>>>>>> But this pipeline produces a valid video file:
>>>>>>>>
>>>>>>>> gst-launch-0.10 videotestsrc num-buffers=200 !
>>>>>>>> 'video/x-raw-yuv,width=320,height=240,framerate=30/1' !
>>>>>>>> ffmpegcolorspace
>>>>>>>> ! ffenc_mpeg4 ! mp4mux ! filesink location=test.mp4
>>>>>>>>
>>>>>>>> >
>>>>>>>> > 2: I want encode the video to H264, so I do like this:
>>>>>>>> > gst-launch v4l2src ! 'video/x-raw-yuv,width=320,height=240,
>>>>>>>> > framerate=30/1' ! ffmpegcolorspace ! x264enc! avimux ! filesink
>>>>>>>> > location=record.avi
>>>>>>>>
>>>>>>>> How about adding the format to the caps, e.g .
>>>>>>>> v4l2src ! 'video/x-raw-yuv,format=(fourcc)I420,width=320,height=240,
>>>>>>>> framerate=30/1' ! fmpegcolorspace ! x264enc! avimux ! filesink
>>>>>>>> location=record.avi ?
>>>>>>>>
>>>>>>>> BR,
>>>>>>>> Topi
>>>>>>>>
>>>>>>>> > But when I run the pipeline I just get the error info like this:
>>>>>>>> > Setting pipeline to PAUSED ...
>>>>>>>> > Pipeline is live and does not need PREROLL ...
>>>>>>>> > Setting pipeline to PLAYING ...
>>>>>>>> > New clock: GstSystemClock
>>>>>>>> > ERROR: from element /GstPipeline:pipeline0/GstV4l2Src:v4l2src0:
>>>>>>>> Internal
>>>>>>>> > data flow error.
>>>>>>>> > Additional debug info:
>>>>>>>> > gstbasesrc.c(2550): gst_base_src_loop ():
>>>>>>>> > /GstPipeline:pipeline0/GstV4l2Src:v4l2src0:
>>>>>>>> > streaming task paused, reason not-negotiated (-4)
>>>>>>>> > Execution ended after 1727716724 ns.
>>>>>>>> > Setting pipeline to PAUSED ...
>>>>>>>> > Setting pipeline to READY ...
>>>>>>>> > Setting pipeline to NULL ...
>>>>>>>> > Freeing pipeline ...
>>>>>>>> >
>>>>>>>> > Some one can help me fix the issues? Tks :)
>>>>>>>> >
>>>>>>>> >
>>>>>>>> > On 12/22/10, Timothy Braun < <braunsquared at gmail.com>
>>>>>>>> braunsquared at gmail.com
>>>>>>>> > <mailto: <braunsquared at gmail.com>braunsquared at gmail.com>> wrote:
>>>>>>>> >  > H264 is encoded with x264enc element.
>>>>>>>> >  >
>>>>>>>> >  > Sent from my iPhone
>>>>>>>> >  >
>>>>>>>> >  > On Dec 22, 2010, at 3:10 AM, wl2776 < <wl2776 at gmail.com>
>>>>>>>> wl2776 at gmail.com
>>>>>>>> > <mailto: <wl2776 at gmail.com>wl2776 at gmail.com>> wrote:
>>>>>>>> >  >
>>>>>>>> >  >>
>>>>>>>> >  >>
>>>>>>>> >  >> michael young wrote:
>>>>>>>> >  >>>
>>>>>>>> >  >>> And now , I want to record the video to a MP4 file with the
>>>>>>>> h264
>>>>>>>> > encoding
>>>>>>>> >  >>> format  ,  How can I do ?
>>>>>>>> >  >>>
>>>>>>>> >  >>> On Wed, Dec 22, 2010 at 2:26 PM, michael <<mcygogo at gmail.com>
>>>>>>>> mcygogo at gmail.com
>>>>>>>> > <mailto: <mcygogo at gmail.com>mcygogo at gmail.com>> wrote:
>>>>>>>> >  >>>
>>>>>>>> >  >>>> tks, this is work:   gst-launch v4l2src device=/dev/video0 !
>>>>>>>> >  >>>> 'video/x-raw-yuv,width=640,height=480,framerate=30/1' !
>>>>>>>> xvimagesink
>>>>>>>> >  >>>
>>>>>>>> >  >>>
>>>>>>>> >  >>
>>>>>>>> >  >> Looks like you can't, because h264 encoder is unavailable.
>>>>>>>> >  >> gst-inspect | grep h264
>>>>>>>> >  >> doesn't show it.
>>>>>>>> >  >> However, general idea is to encode, then mux, and then save to
>>>>>>>> a file.
>>>>>>>> >  >> gst-launch v4l2src device=/dev/video0 !
>>>>>>>> >  >> 'video/x-raw-yuv,width=640,height=480,framerate=30/1' !
>>>>>>>>  ffenc_mpeg4 !
>>>>>>>> >  >> mp4mux !filesink location=/home/user/file.
>>>>>>>> >  >>
>>>>>>>> >  >> --
>>>>>>>> >  >> View this message in context:
>>>>>>>> >  >>
>>>>>>>> >
>>>>>>>> <http://gstreamer-devel.966125.n4.nabble.com/how-to-create-a-pipeline-to-record-video-from-camera-tp3134399p3160261.html>
>>>>>>>> http://gstreamer-devel.966125.n4.nabble.com/how-to-create-a-pipeline-to-record-video-from-camera-tp3134399p3160261.html
>>>>>>>> >  >> Sent from the GStreamer-devel mailing list archive at
>>>>>>>> Nabble.com.
>>>>>>>> >  >>
>>>>>>>> >  >>
>>>>>>>> >
>>>>>>>> ------------------------------------------------------------------------------
>>>>>>>> >  >> Forrester recently released a report on the Return on
>>>>>>>> Investment
>>>>>>>> > (ROI) of
>>>>>>>> >  >> Google Apps. They found a 300% ROI, 38%-56% cost savings, and
>>>>>>>> break-even
>>>>>>>> >  >> within 7 months.  Over 3 million businesses have gone Google
>>>>>>>> with Google
>>>>>>>> >  >> Apps:
>>>>>>>> >  >> an online email calendar, and document program that's
>>>>>>>> accessible
>>>>>>>> > from your
>>>>>>>> >  >>
>>>>>>>> >  >> browser. Read the Forrester report:
>>>>>>>> <http://p.sf.net/sfu/googleapps-sfnew>
>>>>>>>> http://p.sf.net/sfu/googleapps-sfnew
>>>>>>>> >  >> _______________________________________________
>>>>>>>> >  >> gstreamer-devel mailing list
>>>>>>>> >  >> <gstreamer-devel at lists.sourceforge.net>
>>>>>>>> gstreamer-devel at lists.sourceforge.net
>>>>>>>> > <mailto: <gstreamer-devel at lists.sourceforge.net>
>>>>>>>> gstreamer-devel at lists.sourceforge.net>
>>>>>>>> >  >>
>>>>>>>> <https://lists.sourceforge.net/lists/listinfo/gstreamer-devel>
>>>>>>>> https://lists.sourceforge.net/lists/listinfo/gstreamer-devel
>>>>>>>> >  >
>>>>>>>> >  >
>>>>>>>> >
>>>>>>>> ------------------------------------------------------------------------------
>>>>>>>> >  > Forrester recently released a report on the Return on
>>>>>>>> Investment (ROI) of
>>>>>>>> >  > Google Apps. They found a 300% ROI, 38%-56% cost savings, and
>>>>>>>> break-even
>>>>>>>> >  > within 7 months.  Over 3 million businesses have gone Google
>>>>>>>> with Google
>>>>>>>> >  > Apps:
>>>>>>>> >  > an online email calendar, and document program that's
>>>>>>>> accessible from
>>>>>>>> > your
>>>>>>>> >  > browser. Read the Forrester report:
>>>>>>>> <http://p.sf.net/sfu/googleapps-sfnew>
>>>>>>>> http://p.sf.net/sfu/googleapps-sfnew
>>>>>>>> >  > _______________________________________________
>>>>>>>> >  > gstreamer-devel mailing list
>>>>>>>> >  > <gstreamer-devel at lists.sourceforge.net>
>>>>>>>> gstreamer-devel at lists.sourceforge.net
>>>>>>>> > <mailto: <gstreamer-devel at lists.sourceforge.net>
>>>>>>>> gstreamer-devel at lists.sourceforge.net>
>>>>>>>> >  > <https://lists.sourceforge.net/lists/listinfo/gstreamer-devel>
>>>>>>>> https://lists.sourceforge.net/lists/listinfo/gstreamer-devel
>>>>>>>> >  >
>>>>>>>>
>>>>>>>>
>>>>>>>> ------------------------------------------------------------------------------
>>>>>>>> Forrester recently released a report on the Return on Investment
>>>>>>>> (ROI) of
>>>>>>>> Google Apps. They found a 300% ROI, 38%-56% cost savings, and
>>>>>>>> break-even
>>>>>>>> within 7 months.  Over 3 million businesses have gone Google with
>>>>>>>> Google Apps:
>>>>>>>> an online email calendar, and document program that's accessible
>>>>>>>> from your
>>>>>>>> browser. Read the Forrester report:
>>>>>>>> <http://p.sf.net/sfu/googleapps-sfnew>
>>>>>>>> http://p.sf.net/sfu/googleapps-sfnew
>>>>>>>> _______________________________________________
>>>>>>>> gstreamer-devel mailing list
>>>>>>>>  <gstreamer-devel at lists.sourceforge.net>
>>>>>>>> gstreamer-devel at lists.sourceforge.net
>>>>>>>>  <https://lists.sourceforge.net/lists/listinfo/gstreamer-devel>
>>>>>>>> https://lists.sourceforge.net/lists/listinfo/gstreamer-devel
>>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> ------------------------------------------------------------------------------
>>>>>>> Forrester recently released a report on the Return on Investment
>>>>>>> (ROI) of
>>>>>>> Google Apps. They found a 300% ROI, 38%-56% cost savings, and
>>>>>>> break-even
>>>>>>> within 7 months.  Over 3 million businesses have gone Google with
>>>>>>> Google Apps:
>>>>>>> an online email calendar, and document program that's accessible from
>>>>>>> your
>>>>>>> browser. Read the Forrester report:
>>>>>>> <http://p.sf.net/sfu/googleapps-sfnew>
>>>>>>> http://p.sf.net/sfu/googleapps-sfnew
>>>>>>> _______________________________________________
>>>>>>> gstreamer-devel mailing list
>>>>>>>  <gstreamer-devel at lists.sourceforge.net>
>>>>>>> gstreamer-devel at lists.sourceforge.net
>>>>>>>  <https://lists.sourceforge.net/lists/listinfo/gstreamer-devel>
>>>>>>> https://lists.sourceforge.net/lists/listinfo/gstreamer-devel
>>>>>>>
>>>>>>>
>>>>>>
>>>>>> ------------------------------------------------------------------------------
>>>>>> Forrester recently released a report on the Return on Investment (ROI)
>>>>>> of
>>>>>> Google Apps. They found a 300% ROI, 38%-56% cost savings, and
>>>>>> break-even
>>>>>> within 7 months.  Over 3 million businesses have gone Google with
>>>>>> Google Apps:
>>>>>> an online email calendar, and document program that's accessible from
>>>>>> your
>>>>>> browser. Read the Forrester report:
>>>>>> <http://p.sf.net/sfu/googleapps-sfnew>
>>>>>> http://p.sf.net/sfu/googleapps-sfnew
>>>>>>
>>>>>> _______________________________________________
>>>>>> gstreamer-devel mailing list
>>>>>> gstreamer-devel at lists.sourceforge.net
>>>>>> https://lists.sourceforge.net/lists/listinfo/gstreamer-devel
>>>>>>
>>>>>>
>>>>>>
>>>>>> ------------------------------------------------------------------------------
>>>>>> Forrester recently released a report on the Return on Investment (ROI)
>>>>>> of
>>>>>> Google Apps. They found a 300% ROI, 38%-56% cost savings, and
>>>>>> break-even
>>>>>> within 7 months.  Over 3 million businesses have gone Google with
>>>>>> Google Apps:
>>>>>> an online email calendar, and document program that's accessible from
>>>>>> your
>>>>>> browser. Read the Forrester report:
>>>>>> http://p.sf.net/sfu/googleapps-sfnew
>>>>>> _______________________________________________
>>>>>> gstreamer-devel mailing list
>>>>>> gstreamer-devel at lists.sourceforge.net
>>>>>> https://lists.sourceforge.net/lists/listinfo/gstreamer-devel
>>>>>>
>>>>>>
>>>>>
>>>>>
>>>>> ------------------------------------------------------------------------------
>>>>> Forrester recently released a report on the Return on Investment (ROI)
>>>>> of
>>>>> Google Apps. They found a 300% ROI, 38%-56% cost savings, and
>>>>> break-even
>>>>> within 7 months.  Over 3 million businesses have gone Google with
>>>>> Google Apps:
>>>>> an online email calendar, and document program that's accessible from
>>>>> your
>>>>> browser. Read the Forrester report:
>>>>> http://p.sf.net/sfu/googleapps-sfnew
>>>>> _______________________________________________
>>>>> gstreamer-devel mailing list
>>>>> gstreamer-devel at lists.sourceforge.net
>>>>> https://lists.sourceforge.net/lists/listinfo/gstreamer-devel
>>>>>
>>>>>
>>>>
>>>>
>>>> ------------------------------------------------------------------------------
>>>> Forrester recently released a report on the Return on Investment (ROI)
>>>> of
>>>> Google Apps. They found a 300% ROI, 38%-56% cost savings, and break-even
>>>> within 7 months.  Over 3 million businesses have gone Google with Google
>>>> Apps:
>>>> an online email calendar, and document program that's accessible from
>>>> your
>>>> browser. Read the Forrester report:
>>>> http://p.sf.net/sfu/googleapps-sfnew
>>>> _______________________________________________
>>>> gstreamer-devel mailing list
>>>> gstreamer-devel at lists.sourceforge.net
>>>> https://lists.sourceforge.net/lists/listinfo/gstreamer-devel
>>>>
>>>>
>>>
>>
>>
>> ------------------------------------------------------------------------------
>> Learn how Oracle Real Application Clusters (RAC) One Node allows customers
>> to consolidate database storage, standardize their database environment,
>> and,
>> should the need arise, upgrade to a full multi-node Oracle RAC database
>> without downtime or disruption
>> http://p.sf.net/sfu/oracle-sfdevnl
>>
>> _______________________________________________
>> gstreamer-devel mailing list
>> gstreamer-devel at lists.sourceforge.net
>> https://lists.sourceforge.net/lists/listinfo/gstreamer-devel
>>
>>
>
>
> ------------------------------------------------------------------------------
> Learn how Oracle Real Application Clusters (RAC) One Node allows customers
> to consolidate database storage, standardize their database environment,
> and,
> should the need arise, upgrade to a full multi-node Oracle RAC database
> without downtime or disruption
> http://p.sf.net/sfu/oracle-sfdevnl
> _______________________________________________
> gstreamer-devel mailing list
> gstreamer-devel at lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/gstreamer-devel
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>
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