imx6qsabresd Linux camera interface

[riteshpanchal]

I am using imx6qsabresd board.

I want to make one application on Linux Platform that use on board camera to record video/image and store and stream that video/image.

Currently i am using fsl-yocto-3.14.28-1.0.1. I followed the step as per the "Freescale_Yocto_Project_User's_Guide.pdf" and created the QT5 Weston Wayland image. Also i successfully flashed it on SD card and i can run linux on imx6sabresd board. But i can't find any camera app.

So how can i get camera app which can record 1080p video and also stream. And if this kind of app is not installed in this image. how can i add this kinda app in this image??

and if there is not any app available how can i create some app like this for this board?

My final requirement is to make my own board based on imx6 with camera and wifi module only. And the running linux contains only modules related to these modules.

So how can i build images for my custom board and having only some selected modules and recipes? 

[VilemZ]

Hi,

you can try Gstreamer for stream video from camera.

For example this:

gst-launch v4l2src device=/dev/video0 ! mfw_v4lsink device=/dev/video18 disp-width=1920 disp-height=1080

This command show video from v4l source to display or HDMI output.

Best regards,

Vilem

[riteshpanchal]

Hi.. Thanks for the Reply,

After executing "gst-launch v4l2src device=/dev/video0 ! mfw_v4lsink device=/dev/video18 disp-width=1920 disp-height=1080" i got below message and nothing shows up on the display.

WARNING: erroneous pipeline: no element "mfw_v4lsink"

So can you tell me some details procedure to see on board camera feed in display on imx6qsabresd.

[jimmychan]

As Vilem suggest, you can use the gstreamer to try the video streaming. You can search the "streaming" "gstreamer" in this community. There are many video streaming examples that using gstreamer and VLC. :smileyhappy:

[riteshpanchal]

Hi,

I have tried gstreamer and i can stream Audio+Video over ethernet using following command

gst-launch imxv4l2src capture-mode=4 fps-n=30 ! vpuenc codec=6 ! queue ! mux. alsasrc ! 'audio/x-raw-int,rate=44100,channels=2' ! mfw_mp3encoder ! queue ! mux. flvmux name=mux ! tcpserversink host=172.10.10.143 port=5000

I have testing streaming in VLC player. But my problem is the feed is around 10 sec delayed at starting. And after 30-40 min it gets more delayed around 20-30 sec. And after around 45 or 1 hr sometimes audio not coming or sometimes audio + video both stopped. So can you tell me whats the problem?

I have searched for UDP rtps but i am unable to succeed. Can you provide instruction to install and use rtsp in yocto 1.7 based fsl-image-multimedia-full image?

In this image gstreamer v0.10 package is added. And i am unable to add rtsp. i refered the iMX linux user guide.

Then i tried for live555, ffmpeg but i think this pakage is not included.

How to check list of all included package?

Below is my local.conf file

MACHINE ??= 'imx6qsabresd'

DISTRO ?= 'poky'

PACKAGE_CLASSES ?= "package_rpm"

EXTRA_IMAGE_FEATURES = "debug-tweaks"

USER_CLASSES ?= "buildstats image-mklibs image-prelink"

PATCHRESOLVE = "noop"

BB_DISKMON_DIRS = "\

    STOPTASKS,${TMPDIR},1G,100K \

    STOPTASKS,${DL_DIR},1G,100K \

    STOPTASKS,${SSTATE_DIR},1G,100K \

    ABORT,${TMPDIR},100M,1K \

    ABORT,${DL_DIR},100M,1K \

    ABORT,${SSTATE_DIR},100M,1K"

IMAGE_INSTALL_append = " gst-ffmpeg"

LICENSE_FLAGS_WHITELIST = "commercial"

EXTRA_IMAGE_FEATURES += "tools-sdk"

CORE_IMAGE_EXTRA_INSTALL += "rpm live555 live555-openrtsp live555-playsip live555-mediaserver \

  gst-rtsp packagegroup-fsl-tools-testapps packagegroup-fsl-pulseaudio"

PACKAGECONFIG_append_pn-qemu-native = " sdl"

PACKAGECONFIG_append_pn-nativesdk-qemu = " sdl"

ASSUME_PROVIDED += "libsdl-native"

CONF_VERSION = "1"

BB_NUMBER_THREADS = '4'

PARALLEL_MAKE = '-j 4'

DL_DIR ?= "${BSPDIR}/downloads/"

ACCEPT_FSL_EULA = ""

[VilemZ]

Hi,

please try this command:

gst-inspect

Then you will see available devices. It depends on version of Gstreamer and kernel. Now you need find output for v4l. I can be imxv4l2sink, too. This can be instead of mfw_v4lsink.

best Regards,

Vilem

[riteshpanchal]

Hi,

I have build image using following commands.

$ MACHINE=imx6qsabresd source fsl-setup-release.sh -b build-x11 -e x11
$ bitbake fsl-image-gui

as a build result i got following message

"Tasks Summary: Attempted 6778 tasks of which 42 didn't need to be rerun and all succeeded.

Summary: There were 64 WARNING messages shown."

here is my output of gst-inspect.

goom:  goom: GOOM: what a GOOM!
multifile:  multifilesrc: Multi-File Source
multifile:  multifilesink: Multi-File Sink
multifile:  splitfilesrc: Split-File Source
ossaudio:  ossmixer: OSS Mixer
ossaudio:  osssrc: Audio Source (OSS)
ossaudio:  osssink: Audio Sink (OSS)
y4menc:  y4menc: YUV4MPEG video encoder
audiorate:  audiorate: Audio rate adjuster
ipucsc.imx:  mfw_ipucsc: IPU-based video converter
wavparse:  wavparse: WAV audio demuxer
udp:  udpsink: UDP packet sender
udp:  multiudpsink: UDP packet sender
udp:  dynudpsink: UDP packet sender
udp:  udpsrc: UDP packet receiver
spectrum:  spectrum: Spectrum analyzer
png:  pngdec: PNG image decoder
png:  pngenc: PNG image encoder
alaw:  alawenc: A Law audio encoder
alaw:  alawdec: A Law audio decoder
replaygain:  rganalysis: ReplayGain analysis
replaygain:  rglimiter: ReplayGain limiter
replaygain:  rgvolume: ReplayGain volume
equalizer:  equalizer-nbands: N Band Equalizer
equalizer:  equalizer-3bands: 3 Band Equalizer
equalizer:  equalizer-10bands: 10 Band Equalizer
playback:  playbin: Player Bin
playback:  playbin2: Player Bin 2
playback:  playsink: Player Sink
playback:  subtitleoverlay: Subtitle Overlay
ffmpegcolorspace:  ffmpegcolorspace: FFMPEG Colorspace converter
debug:  breakmydata: Break my data
debug:  capssetter: CapsSetter
debug:  rndbuffersize: Random buffer size
debug:  navseek: Seek based on left-right arrows
debug:  pushfilesrc: Push File Source
debug:  progressreport: Progress report
debug:  taginject: TagInject
debug:  testsink: Test plugin
debug:  capsdebug: Caps debug
debug:  cpureport: CPU report
isomp4:  qtdemux: QuickTime demuxer
isomp4:  rtpxqtdepay: RTP packet depayloader
isomp4:  qtmux: QuickTime Muxer
isomp4:  mp4mux: MP4 Muxer
isomp4:  ismlmux: ISML Muxer
isomp4:  3gppmux: 3GPP Muxer
isomp4:  gppmux: 3GPP Muxer
isomp4:  mj2mux: MJ2 Muxer
isomp4:  qtmoovrecover: QT Moov Recover
videofilter:  gamma: Video gamma correction
videofilter:  videobalance: Video balance
videofilter:  videoflip: Video flipper
encoding:  encodebin: Encoder Bin
multipart:  multipartdemux: Multipart demuxer
multipart:  multipartmux: Multipart muxer
autodetect:  autovideosink: Auto video sink
autodetect:  autovideosrc: Auto video source
autodetect:  autoaudiosink: Auto audio sink
autodetect:  autoaudiosrc: Auto audio source
flv:  flvdemux: FLV Demuxer
flv:  flvmux: FLV muxer
vpu.imx:  vpudec: VPU-based video decoder
vpu.imx:  vpuenc: VPU-based video encoder
uridecodebin:  decodebin2: Decoder Bin
uridecodebin:  uridecodebin: URI Decoder
ximagesink:  ximagesink: Video sink
videorate:  videorate: Video rate adjuster
tcp:  tcpclientsink: TCP client sink
tcp:  tcpclientsrc: TCP client source
tcp:  tcpserversink: TCP server sink
tcp:  tcpserversrc: TCP server source
tcp:  multifdsink: Multi filedescriptor sink
id3demux:  id3demux: ID3 tag demuxer
typefindfunctions: video/x-ms-asf: asf, wm, wma, wmv
typefindfunctions: audio/x-musepack: mpc, mpp, mp+
typefindfunctions: audio/x-au: au, snd
typefindfunctions: video/x-msvideo: avi
typefindfunctions: audio/qcelp: qcp
typefindfunctions: video/x-cdxa: dat
typefindfunctions: video/x-vcd: dat
typefindfunctions: audio/x-imelody: imy, ime, imelody
typefindfunctions: audio/midi: mid, midi
typefindfunctions: audio/riff-midi: mid, midi
typefindfunctions: audio/mobile-xmf: mxmf
typefindfunctions: video/x-fli: flc, fli
typefindfunctions: application/x-id3v2: mp3, mp2, mp1, mpga, ogg, flac, tta
typefindfunctions: application/x-id3v1: mp3, mp2, mp1, mpga, ogg, flac, tta
typefindfunctions: application/x-apetag: mp3, ape, mpc, wv
typefindfunctions: audio/x-ttafile: tta
typefindfunctions: audio/x-mod: 669, amf, dsm, gdm, far, imf, it, med, mod, mtm, okt, sam, s3m, stm, stx, ult, xm
typefindfunctions: audio/mpeg: mp3, mp2, mp1, mpga
typefindfunctions: audio/x-ac3: ac3, eac3
typefindfunctions: audio/x-dts: dts
typefindfunctions: audio/x-gsm: gsm
typefindfunctions: video/mpeg-sys: mpe, mpeg, mpg
typefindfunctions: video/mpegts: ts, mts
typefindfunctions: application/ogg: anx, ogg, ogm
typefindfunctions: video/mpeg-elementary: mpv, mpeg, mpg
typefindfunctions: video/mpeg4: m4v
typefindfunctions: video/x-h263: h263, 263
typefindfunctions: video/x-h264: h264, x264, 264
typefindfunctions: video/x-nuv: nuv
typefindfunctions: audio/x-m4a: m4a
typefindfunctions: application/x-3gp: 3gp
typefindfunctions: video/quicktime: mov
typefindfunctions: image/x-quicktime: qif, qtif, qti
typefindfunctions: image/jp2: jp2
typefindfunctions: video/mj2: mj2
typefindfunctions: text/html: htm, html
typefindfunctions: application/vnd.rn-realmedia: ra, ram, rm, rmvb
typefindfunctions: application/x-pn-realaudio: ra, ram, rm, rmvb
typefindfunctions: application/x-shockwave-flash: swf, swfl
typefindfunctions: video/x-flv: flv
typefindfunctions: text/plain: txt
typefindfunctions: text/utf-16: txt
typefindfunctions: text/utf-32: txt
typefindfunctions: text/uri-list: ram
typefindfunctions: application/x-hls: m3u8
typefindfunctions: application/sdp: sdp
typefindfunctions: application/smil: smil
typefindfunctions: application/xml: xml
typefindfunctions: audio/x-wav: wav
typefindfunctions: audio/x-aiff: aiff, aif, aifc
typefindfunctions: audio/x-svx: iff, svx
typefindfunctions: audio/x-paris: paf
typefindfunctions: audio/x-nist: nist
typefindfunctions: audio/x-voc: voc
typefindfunctions: audio/x-sds: sds
typefindfunctions: audio/x-ircam: sf
typefindfunctions: audio/x-w64: w64
typefindfunctions: audio/x-shorten: shn
typefindfunctions: application/x-ape: ape
typefindfunctions: image/jpeg: jpg, jpe, jpeg
typefindfunctions: image/gif: gif
typefindfunctions: image/png: png
typefindfunctions: image/bmp: bmp
typefindfunctions: image/tiff: tif, tiff
typefindfunctions: image/x-portable-pixmap: pnm, ppm, pgm, pbm
typefindfunctions: video/x-matroska: mkv, mka
typefindfunctions: video/webm: webm
typefindfunctions: application/mxf: mxf
typefindfunctions: video/x-mve: mve
typefindfunctions: video/x-dv: dv, dif
typefindfunctions: audio/x-amr-nb-sh: amr
typefindfunctions: audio/x-amr-wb-sh: amr
typefindfunctions: audio/iLBC-sh: ilbc
typefindfunctions: audio/x-sid: sid
typefindfunctions: image/x-xcf: xcf
typefindfunctions: video/x-mng: mng
typefindfunctions: image/x-jng: jng
typefindfunctions: image/x-xpixmap: xpm
typefindfunctions: image/x-sun-raster: ras
typefindfunctions: application/x-bzip: bz2
typefindfunctions: application/x-gzip: gz
typefindfunctions: application/zip: zip
typefindfunctions: application/x-compress: Z
typefindfunctions: subtitle/x-kate: no extensions
typefindfunctions: audio/x-flac: flac
typefindfunctions: audio/x-vorbis: no extensions
typefindfunctions: video/x-theora: no extensions
typefindfunctions: application/x-ogm-video: no extensions
typefindfunctions: application/x-ogm-audio: no extensions
typefindfunctions: application/x-ogm-text: no extensions
typefindfunctions: audio/x-speex: no extensions
typefindfunctions: audio/x-celt: no extensions
typefindfunctions: application/x-ogg-skeleton: no extensions
typefindfunctions: text/x-cmml: no extensions
typefindfunctions: application/x-executable: no extensions
typefindfunctions: audio/aac: aac, adts, adif, loas
typefindfunctions: audio/x-spc: spc
typefindfunctions: audio/x-wavpack: wv, wvp
typefindfunctions: audio/x-wavpack-correction: wvc
typefindfunctions: application/postscript: ps
typefindfunctions: image/svg+xml: svg
typefindfunctions: application/x-rar: rar
typefindfunctions: application/x-tar: tar
typefindfunctions: application/x-ar: a
typefindfunctions: application/x-ms-dos-executable: dll, exe, ocx, sys, scr, msstyles, cpl
typefindfunctions: video/x-dirac: no extensions
typefindfunctions: multipart/x-mixed-replace: no extensions
typefindfunctions: application/x-mmsh: no extensions
typefindfunctions: video/vivo: viv
typefindfunctions: audio/x-nsf: nsf
typefindfunctions: audio/x-gym: gym
typefindfunctions: audio/x-ay: ay
typefindfunctions: audio/x-gbs: gbs
typefindfunctions: audio/x-vgm: vgm
typefindfunctions: audio/x-sap: sap
typefindfunctions: video/x-ivf: ivf
typefindfunctions: audio/x-kss: kss
typefindfunctions: application/pdf: pdf
typefindfunctions: application/msword: doc
typefindfunctions: application/octet-stream: DS_Store
typefindfunctions: image/vnd.adobe.photoshop: psd
typefindfunctions: image/vnd.wap.wbmp: no extensions
typefindfunctions: application/x-yuv4mpeg: y4m
typefindfunctions: image/x-icon: no extensions
typefindfunctions: xdgmime-base: no extensions
typefindfunctions: image/x-degas: no extensions
xvimagesink:  xvimagesink: Video sink
volume:  volume: Volume
mulaw:  mulawenc: Mu Law audio encoder
mulaw:  mulawdec: Mu Law audio decoder
smpte:  smpte: SMPTE transitions
smpte:  smptealpha: SMPTE transitions
amrdec.imx:  mfw_amrdecoder: amr audio decoder
speex:  speexenc: Speex audio encoder
speex:  speexdec: Speex audio decoder
soup:  souphttpsrc: HTTP client source
soup:  souphttpclientsink: HTTP client sink
tvsrc.imx:  tvsrc: v4l2 based tv src
alphacolor:  alphacolor: Alpha color filter
efence:  efence: Electric Fence
v4lsrc.imx:  imxv4l2src: v4l2 based camera src
app:  appsrc: AppSrc
app:  appsink: AppSink
audioparsers:  aacparse: AAC audio stream parser
audioparsers:  amrparse: AMR audio stream parser
audioparsers:  ac3parse: AC3 audio stream parser
audioparsers:  dcaparse: DTS Coherent Acoustics audio stream parser
audioparsers:  flacparse: FLAC audio parser
audioparsers:  mpegaudioparse: MPEG1 Audio Parser
subparse: subparse_typefind: srt, sub, mpsub, mdvd, smi, txt, dks
subparse:  subparse: Subtitle parser
subparse:  ssaparse: SSA Subtitle Parser
isink.imx:  mfw_isink: IPU-based video sink
decodebin:  decodebin: Decoder Bin
gdp:  gdpdepay: GDP Depayloader
gdp:  gdppay: GDP Payloader
theora:  theoradec: Theora video decoder
theora:  theoraenc: Theora video encoder
theora:  theoraparse: Theora video parser
alsa:  alsamixer: Alsa mixer
alsa:  alsasrc: Audio source (ALSA)
alsa:  alsasink: Audio sink (ALSA)
rtsp:  rtspsrc: RTSP packet receiver
rtsp:  rtpdec: RTP Decoder
videomixer:  videomixer: Video mixer
videomixer:  videomixer2: Video mixer 2
ogg:  oggdemux: Ogg demuxer
ogg:  oggmux: Ogg muxer
ogg:  ogmaudioparse: OGM audio stream parser
ogg:  ogmvideoparse: OGM video stream parser
ogg:  ogmtextparse: OGM text stream parser
ogg:  oggparse: Ogg parser
ogg:  oggaviparse: Ogg AVI parser
alpha:  alpha: Alpha filter
annodex:  cmmlenc: CMML streams encoder
annodex:  cmmldec: CMML stream decoder
cutter:  cutter: Audio cutter
videotestsrc:  videotestsrc: Video test source
mp3enc.imx:  mfw_mp3encoder: mp3 audio encoder
shapewipe:  shapewipe: Shape Wipe transition filter
audiopeq.imx:  mfw_audio_pp: audio post equalizer
effectv:  edgetv: EdgeTV effect
effectv:  agingtv: AgingTV effect
effectv:  dicetv: DiceTV effect
effectv:  warptv: WarpTV effect
effectv:  shagadelictv: ShagadelicTV
effectv:  vertigotv: VertigoTV effect
effectv:  revtv: RevTV effect
effectv:  quarktv: QuarkTV effect
effectv:  optv: OpTV effect
effectv:  radioactv: RadioacTV effect
effectv:  streaktv: StreakTV effect
effectv:  rippletv: RippleTV effect
coreelements:  capsfilter: CapsFilter
coreelements:  fakesrc: Fake Source
coreelements:  fakesink: Fake Sink
coreelements:  fdsrc: Filedescriptor Source
coreelements:  fdsink: Filedescriptor Sink
coreelements:  filesrc: File Source
coreelements:  funnel: Funnel pipe fitting
coreelements:  identity: Identity
coreelements:  input-selector: Input selector
coreelements:  output-selector: Output selector
coreelements:  queue: Queue
coreelements:  queue2: Queue 2
coreelements:  filesink: File Sink
coreelements:  tee: Tee pipe fitting
coreelements:  typefind: TypeFind
coreelements:  multiqueue: MultiQueue
coreelements:  valve: Valve element
beep.imx: ac3: ac3
beep.imx: 3ca: ac3
beep.imx:  beepdec: beep audio decoder
beep.imx:  beepdec.vorbis: Vorbis decoder
beep.imx:  beepdec.mp3: MP3 decoder
beep.imx:  beepdec.aac: AAC LC decoder
videobox:  videobox: Video box filter
adder:  adder: Adder
audioresample:  audioresample: Audio resampler
cairo:  cairotextoverlay: Text overlay
cairo:  cairotimeoverlay: Time overlay
cairo:  cairooverlay: Cairo overlay
cairo:  cairorender: Cairo encoder
videoscale:  videoscale: Video scaler
opengl:  glupload: OpenGL upload
opengl:  gldownload: OpenGL video maker
opengl:  glimagesink: OpenGL video sink
opengl:  glfiltercube: OpenGL cube filter
opengl:  gleffects: Gstreamer OpenGL Effects
avi:  avidemux: Avi demuxer
avi:  avimux: Avi muxer
avi:  avisubtitle: Avi subtitle parser
videocrop:  videocrop: Crop
videocrop:  aspectratiocrop: aspectratiocrop
coreindexers:  memindex: A index that stores entries in memory
coreindexers:  fileindex: A index that stores entries in file
imagefreeze:  imagefreeze: Still frame stream generator
gstrtpmanager:  gstrtpbin: RTP Bin
gstrtpmanager:  gstrtpjitterbuffer: RTP packet jitter-buffer
gstrtpmanager:  gstrtpptdemux: RTP Demux
gstrtpmanager:  gstrtpsession: RTP Session
gstrtpmanager:  gstrtpssrcdemux: RTP SSRC Demux
gio:  giosink: GIO sink
gio:  giosrc: GIO source
gio:  giostreamsink: GIO stream sink
gio:  giostreamsrc: GIO stream source
gconfelements:  gconfvideosink: GConf video sink
gconfelements:  gconfvideosrc: GConf video source
gconfelements:  gconfaudiosink: GConf audio sink
gconfelements:  gconfaudiosrc: GConf audio source
level:  level: Level
oss4:  oss4sink: OSS v4 Audio Sink
oss4:  oss4src: OSS v4 Audio Source
oss4:  oss4mixer: OSS v4 Audio Mixer
flac:  flacenc: FLAC audio encoder
flac:  flacdec: FLAC audio decoder
flac:  flactag: FLAC tagger
navigationtest:  navigationtest: Video navigation test
audioconvert:  audioconvert: Audio converter
v4lsink.imx:  imxv4l2sink: v4l2 video sink
flxdec:  flxdec: FLX video decoder
pulseaudio:  pulsesink: PulseAudio Audio Sink
pulseaudio:  pulsesrc: PulseAudio Audio Source
pulseaudio:  pulseaudiosink: Bin wrapping pulsesink
pulseaudio:  pulsemixer: PulseAudio Mixer
vorbis:  vorbisenc: Vorbis audio encoder
vorbis:  vorbisdec: Vorbis audio decoder
vorbis:  vorbisparse: VorbisParse
vorbis:  vorbistag: VorbisTag
wavenc:  wavenc: WAV audio muxer
aiur.imx: webm: webm
aiur.imx:  aiurdemux: aiur universal demuxer
goom2k1:  goom2k1: GOOM: what a GOOM! 2k1 edition
matroska:  matroskademux: Matroska demuxer
matroska:  matroskaparse: Matroska parser
matroska:  matroskamux: Matroska muxer
matroska:  webmmux: WebM muxer
jpeg:  jpegenc: JPEG image encoder
jpeg:  jpegdec: JPEG image decoder
jpeg:  smokeenc: Smoke video encoder
jpeg:  smokedec: Smoke video decoder
video4linux2:  v4l2src: Video (video4linux2) Source
video4linux2:  v4l2radio: Radio (video4linux2) Tuner
icydemux:  icydemux: ICY tag demuxer
apetag:  apedemux: APE tag demuxer
rtp:  rtpdepay: Dummy RTP session manager
rtp:  rtpac3depay: RTP AC3 depayloader
rtp:  rtpac3pay: RTP AC3 audio payloader
rtp:  rtpbvdepay: RTP BroadcomVoice depayloader
rtp:  rtpbvpay: RTP BV Payloader
rtp:  rtpceltdepay: RTP CELT depayloader
rtp:  rtpceltpay: RTP CELT payloader
rtp:  rtpdvdepay: RTP DV Depayloader
rtp:  rtpdvpay: RTP DV Payloader
rtp:  rtpgstdepay: GStreamer depayloader
rtp:  rtpgstpay: RTP GStreamer payloader
rtp:  rtpilbcpay: RTP iLBC Payloader
rtp:  rtpilbcdepay: RTP iLBC depayloader
rtp:  rtpg722depay: RTP audio depayloader
rtp:  rtpg722pay: RTP audio payloader
rtp:  rtpg723depay: RTP G.723 depayloader
rtp:  rtpg723pay: RTP G.723 payloader
rtp:  rtpg726depay: RTP G.726 depayloader
rtp:  rtpg726pay: RTP G.726 payloader
rtp:  rtpg729depay: RTP G.729 depayloader
rtp:  rtpg729pay: RTP G.729 payloader
rtp:  rtpgsmdepay: RTP GSM depayloader
rtp:  rtpgsmpay: RTP GSM payloader
rtp:  rtpamrdepay: RTP AMR depayloader
rtp:  rtpamrpay: RTP AMR payloader
rtp:  rtppcmadepay: RTP PCMA depayloader
rtp:  rtppcmudepay: RTP PCMU depayloader
rtp:  rtppcmupay: RTP PCMU payloader
rtp:  rtppcmapay: RTP PCMA payloader
rtp:  rtpmpadepay: RTP MPEG audio depayloader
rtp:  rtpmpapay: RTP MPEG audio payloader
rtp:  rtpmparobustdepay: RTP MPEG audio depayloader
rtp:  rtpmpvdepay: RTP MPEG video depayloader
rtp:  rtpmpvpay: RTP MPEG2 ES video payloader
rtp:  rtph263ppay: RTP H263 payloader
rtp:  rtph263pdepay: RTP H263 depayloader
rtp:  rtph263depay: RTP H263 depayloader
rtp:  rtph263pay: RTP H263 packet payloader
rtp:  rtph264depay: RTP H264 depayloader
rtp:  rtph264pay: RTP H264 payloader
rtp:  rtpj2kdepay: RTP JPEG 2000 depayloader
rtp:  rtpj2kpay: RTP JPEG 2000 payloader
rtp:  rtpjpegdepay: RTP JPEG depayloader
rtp:  rtpjpegpay: RTP JPEG payloader
rtp:  rtpL16pay: RTP audio payloader
rtp:  rtpL16depay: RTP audio depayloader
rtp:  asteriskh263: RTP Asterisk H263 depayloader
rtp:  rtpmp1sdepay: RTP MPEG1 System Stream depayloader
rtp:  rtpmp2tdepay: RTP MPEG Transport Stream depayloader
rtp:  rtpmp2tpay: RTP MPEG2 Transport Stream payloader
rtp:  rtpmp4vpay: RTP MPEG4 Video payloader
rtp:  rtpmp4vdepay: RTP MPEG4 video depayloader
rtp:  rtpmp4apay: RTP MPEG4 audio payloader
rtp:  rtpmp4adepay: RTP MPEG4 audio depayloader
rtp:  rtpmp4gdepay: RTP MPEG4 ES depayloader
rtp:  rtpmp4gpay: RTP MPEG4 ES payloader
rtp:  rtpqcelpdepay: RTP QCELP depayloader
rtp:  rtpqdm2depay: RTP QDM2 depayloader
rtp:  rtpsirenpay: RTP Payloader for Siren Audio
rtp:  rtpsirendepay: RTP Siren packet depayloader
rtp:  rtpspeexpay: RTP Speex payloader
rtp:  rtpspeexdepay: RTP Speex depayloader
rtp:  rtpsv3vdepay: RTP SVQ3 depayloader
rtp:  rtptheoradepay: RTP Theora depayloader
rtp:  rtptheorapay: RTP Theora payloader
rtp:  rtpvorbisdepay: RTP Vorbis depayloader
rtp:  rtpvorbispay: RTP Vorbis depayloader
rtp:  rtpvrawdepay: RTP Raw Video depayloader
rtp:  rtpvrawpay: RTP Raw Video payloader
deinterlace:  deinterlace: Deinterlacer
audiofx:  audiopanorama: Stereo positioning
audiofx:  audioinvert: Audio inversion
audiofx:  audiokaraoke: AudioKaraoke
audiofx:  audioamplify: Audio amplifier
audiofx:  audiodynamic: Dynamic range controller
audiofx:  audiocheblimit: Low pass & high pass filter
audiofx:  audiochebband: Band pass & band reject filter
audiofx:  audioiirfilter: Audio IIR filter
audiofx:  audiowsinclimit: Low pass & high pass filter
audiofx:  audiowsincband: Band pass & band reject filter
audiofx:  audiofirfilter: Audio FIR filter
audiofx:  audioecho: Audio echo
auparse:  auparse: AU audio demuxer
audiotestsrc:  audiotestsrc: Audio test source
interleave:  interleave: Audio interleaver
interleave:  deinterleave: Audio deinterleaver
ximagesrc:  ximagesrc: Ximage video source
staticelements:  bin: Generic bin
staticelements:  pipeline: Pipeline object
Total count: 100 plugins (1 blacklist entry not shown), 448 features

Now i have following questions

1. how can i see video feed on kit's lcd screen?

2. how can i store video or still image to sd card?

3. how can i stream video feed to Ethernet?

[VilemZ]

Hi Ritesh,

Now i have following questions

1. how can i see video feed on kit's lcd screen?

gst-launch v4l2src device=/dev/video0 ! mfw_isink device=/dev/video16

OR

gst-launch v4l2src device=/dev/video0 ! imxv4l2sink device=/dev/video16

2. how can i store video or still image to sd card?

     - You have lot of ways, how to store video to your SD card.

     1. Insert SD card to your computer and mount in Linux. Then you can copy to File system (for example /home/)

     2. Connect board to LAN and use scp command in Linux to copy over LAN.

3. how can i stream video feed to Ethernet?

     - You can use gstreamer for streameng vide to LAN. It's depend on lot of parameters. Protocol, etc...

Best Regards

Vilem

[riteshpanchal]

Hi,

i got following error message after executing following commands.

1.  gst-launch v4l2src device=/dev/video0 ! mfw_isink device=/dev/video16

     set color key                                                                  

     MFW_GST_ISINK_PLUGIN 4.0.3 build on Jun 11 2015 17:33:41.                      

     WARNING: erroneous pipeline: no property "device" in element "mfwgstisink0"

2. gst-launch v4l2src device=/dev/video0 ! imxv4l2sink device=/dev/video16

     Setting pipeline to PAUSED ...

     and nothing appeared

I can see live video using below command

gst-launch imxv4l2src ! imxv4l2sink

And capture image using below command

gst-launch imxv4l2src num-buffers=1 ! jpegenc ! filesink location=sample.jpeg

I unable to use MIPI base embedded camera because this image doesn't having any mfw_xxx plugins.

In booting log 2 camera has been detected. so how can i use the above commands for other camera?

I find very difficult to use gstreamer in this board.

can you have any gstreamer user guide for freescale imx6 board.?

And my another questions are...

1. How can i add third party app in kit running fsl-image-gui image linux?

2. how can i add/remove recipe in fsl-image-gui image??

[VilemZ]

Hi,

if you want more information about GStreamer, please read this: GStreamer i.MX6 Multi-Overlay

Best regards,

Vilem

[VilemZ]

Hi,

If you want change source of video, you need change device (video0, video1, etc...). For example:

gst-launch imxv4l2src device=/dev/video0 ! imxv4l2sink

Please try all yours video devices.

Next questions:

1. If you have app for your processor, then you copy app to your file system and launch it.

     If you haven't app for you board/processor, then you need build application with your cross-compilator (toolchain).

2. Please read this Training: Yocto Training - HOME

Best Regards,

Vilem

[jimmychan]

I think you can write your apps and run it on QT5.

Qt 5 on Wayland

For the camera code, I think you can take the mxc_v4l2_capture which in the imx-test for reference.

[riteshpanchal]

Thanks for the reply.

Making an QT app is an option but its more easy if any ready made app is available to record and stored videos from on board camera.

Because my final product will not having the display / hdmi output. I need to just stream or store video feed. But before that i need to evaluate the on sabresd board.

So can you tell me is there any app? and if yes how to install on QT5 Weston Wayland image running linux based on fsl-yocto-3.14.28-1.0.1.

or otherwise any guide to develop some test app?