GStreamer : Pipeline to connect VNC server and Display/Record the remote GUI

ODБOï

     gst_init (&argc, &argv);
     GstElement *pipeline;
     GstBus *bus;
     GstMessage *msg;

     pipeline = gst_parse_launch ("playbin uri=https://www.freedesktop.org/software/gstreamer-sdk/data/media/sintel_trailer-480p.webm", NULL);

       gst_element_set_state (pipeline, GST_STATE_PLAYING);
       
       bus = gst_element_get_bus (pipeline);
       msg = gst_bus_timed_pop_filtered(bus, GST_CLOCK_TIME_NONE, GST_MESSAGE_ERROR | GST_MESSAGE_EOS);

output :

no matching function for call to 'gst_bus_timed_pop_filtered'

erreur : invalid conversion from 'int' to 'GstMessageType' [-fpermissive]
        msg = gst_bus_timed_pop_filtered(bus, GST_CLOCK_TIME_NONE, GST_MESSAGE_ERROR | GST_MESSAGE_EOS);
                                                                   ~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~

jsulm

@LeLev said in GStreamer : understanding the concept of 'pipeline':

GST_MESSAGE_ERROR | GST_MESSAGE_EOS

this is the actual problem. Try to cast it to GstMessageType:

msg = gst_bus_timed_pop_filtered(bus, GST_CLOCK_TIME_NONE, static_cast<GstMessageType>(GST_MESSAGE_ERROR | GST_MESSAGE_EOS));

ODБOï

i just changed the 3rd parameter and it compiled

msg = gst_bus_timed_pop_filtered(bus, GST_CLOCK_TIME_NONE, GST_MESSAGE_EOS);

ODБOï

@jsulm said in GStreamer : understanding the concept of 'pipeline':

ry to cast it to GstMessageType:

Thank you !

jsulm

@LeLev That's why it is important to post all errors: many errors are just follow up errors caused by another error.

ODБOï

@jsulm said in GStreamer : understanding the concept of 'pipeline':

all errors

saved for the next time.

I'm confused about this lib.
In this hello world exemple they say :

If everything built fine, fire up the executable! You should see a window pop up, containing a video being played straight from the Internet, along with audio. Congratulations!

I can't figure out how a window will pop up.
I'm reading the playbin description right now, in my app nothing pops up.

jsulm

@LeLev said in GStreamer : understanding the concept of 'pipeline':

I can't figure out how a window will pop up.

So, you start the app but no window pops up?
Then probably something is wrong. I don't know what. You can debug and see what happens.

ODБOï

@jsulm said in GStreamer : understanding the concept of 'pipeline':

So, you start the app but no window pops up?

Yes,

@jsulm said in GStreamer : understanding the concept of 'pipeline':

probably something is wrong

yes, with putenv("GST_DEBUG=2"); i got :

0:00:03.253981299  1536 0000000037E010C0 WARN             souphttpsrc gstsouphttpsrc.c:1379:gst_soup_http_src_parse_status:<source> error: Secure connection setup failed.
0:00:03.254006642  1536 0000000037E010C0 WARN             souphttpsrc gstsouphttpsrc.c:1379:gst_soup_http_src_parse_status:<source> error: TLS/SSL support not available; install glib-networking (6), URL: https://www.freedesktop.org/software/gstreamer-sdk/data/media/sintel_trailer-480p.webm, Redirect to: (NULL)
0:00:03.254067912  1536 0000000037E010C0 WARN                 basesrc gstbasesrc.c:3055:gst_base_src_loop:<source> error: Internal data stream error.
0:00:03.254105765  1536 0000000037E010C0 WARN                 basesrc gstbasesrc.c:3055:gst_base_src_loop:<source> error: streaming stopped, reason error (-5)
0:00:03.254180509  1536 0000000037E010C0 WARN                typefind gsttypefindelement.c:991:gst_type_find_element_chain_do_typefinding:<typefindelement0> error: Stream doesn't contain enough data.
0:00:03.254192057  1536 0000000037E010C0 WARN                typefind gsttypefindelement.c:991:gst_type_find_element_chain_do_typefinding:<typefindelement0> error: Can't typefind stream

i will install glib-networking

jsulm

@LeLev You could try to play a video from a non-SSL (non-HTTPS) URL.

ODБOï

@jsulm That worked thank you!

ODБOï

Can please someone help me to complete this pipeline so it can record the VNC remote desktop to video file and/or show it with
playbin ?
pipeline = gst_parse_launch("rfbsrc host=xx.xx.xx.xx port=5900 password=passw view-only=true",NULL);

SGaist

Use the tee plugin.

ODБOï

@SGaist thank you, I tryed to use tee, but that is more complicated to do, i actually don't want to Watch and Save/record.
I would like to only save the video without displaying it.

after some houres i got this broken pipeline..

I have lot of troubles on how to set up the format for the video and write it to a file
I use ultraVnc server

"rfbsrc host=xx.xx.xx.xx port=5900 password=pw view-only=true   TODO : set up video format    ! mpegtsmux ! filesink location=testvideo.mp4"

i have this output

** (QVNCClient.exe:10252): CRITICAL **: gst_video_info_set_format: assertion 'format != GST_VIDEO_FORMAT_UNKNOWN' failed

** (QVNCClient.exe:10252): CRITICAL **: gst_video_info_to_caps: assertion 'info->finfo->format != GST_VIDEO_FORMAT_UNKNOWN' failed

(QVNCClient.exe:10252): GStreamer-CRITICAL **: gst_event_new_caps: assertion 'caps != NULL' failed

(QVNCClient.exe:10252): GStreamer-CRITICAL **: gst_pad_push_event: assertion 'GST_IS_EVENT (event)' failed

(QVNCClient.exe:10252): GStreamer-CRITICAL **: gst_mini_object_unref: assertion 'mini_object != NULL' failed
0:00:00.737522311 10252 0000000036FDDBC0 WARN                 basesrc gstbasesrc.c:3275:gst_base_src_prepare_allocation:<rfbsrc0> Subclass failed to decide allocation
0:00:00.737604753 10252 0000000036FDDBC0 WARN                 basesrc gstbasesrc.c:3055:gst_base_src_loop:<rfbsrc0> error: Internal data stream error.
0:00:00.737644531 10252 0000000036FDDBC0 WARN                 basesrc gstbasesrc.c:3055:gst_base_src_loop:<rfbsrc0> error: streaming stopped, reason not-negotiated (-4)
This program is linked against GStreamer 1.14.3

THX

SGaist

You have here an example of pipeline with h264 recording.

ODБOï

@SGaist hi,
I am still struggling with Gstreamer.

Could you please try to see where the probleme is ?
i try this pipeline :

gst-launch-1.0 -v rfbsrc host=xx.xx.x.xx port=5900 password=passw view-only=true !
tee name = t ! queue ! omxh264enc ! 
'video/x-h264, stream-format=(string)byte-stream' ! h264parse ! qtmux ! 
filesink location=test.mp4 t. ! queue ! videoscale ! video/x-raw, 
width=480,height=270 ! xvimagesink -e sync=false

OUTPUT :
*(gst-launch-1.0:8672): GStreamer-CRITICAL *: gst_element_make_from_uri: assertion 'gst_uri_is_valid (uri)' failed
WARNING: erroneous pipeline: no element "omxh264enc"

I downloaded and installed x264 from here but i still get same error

Maybe there is a simple way to just connect to VNC srv and only record without displaying.
Or a simple tool that i can start with QProcess

ODБOï

i tryed like this also :

gst-launch-1.0 rfbsrc host=xx.x.x.xx port=xxxx password=xxxx view-only=true ! videoconvert ! x264enc ! flvmux ! filesink location=xyz.flv

OUTPUT : WARNING : erroneous pipeline : no element "x264enc"

I found "x264enc" is part of gst-plugins-ugly but cant fugure out how to install tath missing plugin. I downloaded it from here

I also found a tool : vnc2flv
i need to build it with python but when i try i get :

error print version
Missing parentheses in call to 'print'. Did you mean print(version)

jsulm

@LeLev said in GStreamer : understanding the concept of 'pipeline':

gst-plugins-ugly but cant fugure out how to install tath missing plugin

apt install gstreamer1.0-plugins-ugly

ODБOï

@jsulm hi ,
I did not mension I'm using windows.

SGaist

@LeLev said in GStreamer : understanding the concept of 'pipeline':

error print version
Missing parentheses in call to 'print'. Did you mean print(version)

Because the code is written for Python 2 and you are using Python 3

What set of plugins did you get when installing on Windows ?

ODБOï

hi @SGaist thank you,
please see my output for gst-inspect-1.0

C:\Users\lev>gst-inspect-1.0
gio:  giosink: GIO sink
gio:  giosrc: GIO source
gio:  giostreamsink: GIO stream sink
gio:  giostreamsrc: GIO stream source
taglib:  id3v2mux: TagLib-based ID3v2 Muxer
taglib:  apev2mux: TagLib-based APEv2 Muxer
soundtouch:  pitch: Pitch controller
soundtouch:  bpmdetect: BPM Detector
openh264:  openh264dec: OpenH264 video decoder
openh264:  openh264enc: OpenH264 video encoder
decklink:  decklinkaudiosink: Decklink Audio Sink
decklink:  decklinkvideosink: Decklink Video Sink
decklink:  decklinkaudiosrc: Decklink Audio Source
decklink:  decklinkvideosrc: Decklink Video Source
y4menc:  y4menc: YUV4MPEG video encoder
y4mdec:  y4mdec: YUV4MPEG demuxer/decoder
webrtc:  webrtcbin: WebRTC Bin
wavparse:  wavparse: WAV audio demuxer
wavpack:  wavpackenc: Wavpack audio encoder
wavpack:  wavpackdec: Wavpack audio decoder
wavenc:  wavenc: WAV audio muxer
wasapi:  wasapideviceprovider (GstDeviceProviderFactory)
wasapi:  wasapisrc: WasapiSrc
wasapi:  wasapisink: WasapiSrc
vpx:  vp9enc: On2 VP9 Encoder
vpx:  vp9dec: On2 VP9 Decoder
vpx:  vp8enc: On2 VP8 Encoder
vpx:  vp8dec: On2 VP8 Decoder
vorbis:  vorbistag: VorbisTag
vorbis:  vorbisparse: VorbisParse
vorbis:  vorbisdec: Vorbis audio decoder
vorbis:  vorbisenc: Vorbis audio encoder
volume:  volume: Volume
videotestsrc:  videotestsrc: Video test source
videoscale:  videoscale: Video scaler
videorate:  videorate: Video rate adjuster
videoparsersbad:  vc1parse: VC1 parser
videoparsersbad:  h265parse: H.265 parser
videoparsersbad:  jpeg2000parse: JPEG 2000 parser
videoparsersbad:  pngparse: PNG parser
videoparsersbad:  mpeg4videoparse: MPEG 4 video elementary stream parser
videoparsersbad:  mpegvideoparse: MPEG video elementary stream parser
videoparsersbad:  diracparse: Dirac parser
videoparsersbad:  h264parse: H.264 parser
videoparsersbad:  h263parse: H.263 parser
videomixer:  videomixer: Video mixer 2
videofiltersbad:  videodiff: Video Diff
videofiltersbad:  zebrastripe: Zebra stripe overlay
videofiltersbad:  scenechange: Scene change detector
videofilter:  videomedian: Median effect
videofilter:  videoflip: Video flipper
videofilter:  videobalance: Video balance
videofilter:  gamma: Video gamma correction
videocrop:  aspectratiocrop: aspectratiocrop
videocrop:  videocrop: Crop
videoconvert:  videoconvert: Colorspace converter
videobox:  videobox: Video box filter
udp:  udpsrc: UDP packet receiver
udp:  dynudpsink: UDP packet sender
udp:  multiudpsink: UDP packet sender
udp:  udpsink: UDP packet sender
typefindfunctions: audio/audible: aa, aax
typefindfunctions: audio/x-xi: xi
typefindfunctions: video/x-pva: pva
typefindfunctions: application/x-ssa: ssa, ass
typefindfunctions: application/octet-stream: no extensions
typefindfunctions: image/x-degas: no extensions
typefindfunctions: image/x-icon: no extensions
typefindfunctions: application/x-yuv4mpeg: no extensions
typefindfunctions: image/vnd.wap.wbmp: no extensions
typefindfunctions: image/vnd.adobe.photoshop: psd
typefindfunctions: application/msword: doc
typefindfunctions: application/pdf: pdf
typefindfunctions: audio/x-kss: kss
typefindfunctions: video/x-ivf: ivf
typefindfunctions: audio/x-sap: sap
typefindfunctions: audio/x-vgm: vgm
typefindfunctions: audio/x-gbs: gbs
typefindfunctions: audio/x-ay: ay
typefindfunctions: audio/x-gym: gym
typefindfunctions: audio/x-nsf: nsf
typefindfunctions: video/vivo: viv
typefindfunctions: application/x-mmsh: no extensions
typefindfunctions: multipart/x-mixed-replace: no extensions
typefindfunctions: video/x-dirac: no extensions
typefindfunctions: application/x-ms-dos-executable: dll, exe, ocx, sys, scr, msstyles, cpl
typefindfunctions: application/x-ar: a
typefindfunctions: application/x-tar: tar
typefindfunctions: application/x-rar: rar
typefindfunctions: image/svg+xml: svg
typefindfunctions: application/postscript: ps
typefindfunctions: audio/x-caf: caf
typefindfunctions: audio/x-wavpack-correction: wvc
typefindfunctions: audio/x-wavpack: wv, wvp
typefindfunctions: audio/x-spc: spc
typefindfunctions: audio/aac: aac, adts, adif, loas
typefindfunctions: application/x-executable: no extensions
typefindfunctions: text/x-cmml: no extensions
typefindfunctions: application/x-ogg-skeleton: no extensions
typefindfunctions: audio/x-celt: no extensions
typefindfunctions: audio/x-speex: no extensions
typefindfunctions: application/x-ogm-text: no extensions
typefindfunctions: application/x-ogm-audio: no extensions
typefindfunctions: application/x-ogm-video: no extensions
typefindfunctions: video/x-theora: no extensions
typefindfunctions: audio/x-vorbis: no extensions
typefindfunctions: audio/x-flac: flac
typefindfunctions: application/x-subtitle-vtt: vtt
typefindfunctions: subtitle/x-kate: no extensions
typefindfunctions: application/x-compress: Z
typefindfunctions: application/zip: zip
typefindfunctions: application/x-gzip: gz
typefindfunctions: application/x-bzip: bz2
typefindfunctions: image/x-sun-raster: ras
typefindfunctions: image/x-xpixmap: xpm
typefindfunctions: image/x-jng: jng
typefindfunctions: video/x-mng: mng
typefindfunctions: image/x-xcf: xcf
typefindfunctions: audio/x-sid: sid
typefindfunctions: audio/x-sbc: sbc
typefindfunctions: audio/iLBC-sh: ilbc
typefindfunctions: audio/x-amr-wb-sh: amr
typefindfunctions: audio/x-amr-nb-sh: amr
typefindfunctions: video/x-dv: dv, dif
typefindfunctions: video/x-mve: mve
typefindfunctions: application/mxf: mxf
typefindfunctions: video/x-matroska: mkv, mka, mk3d, webm
typefindfunctions: image/x-portable-pixmap: pnm, ppm, pgm, pbm
typefindfunctions: image/x-exr: exr
typefindfunctions: image/webp: webp
typefindfunctions: image/tiff: tif, tiff
typefindfunctions: image/bmp: bmp
typefindfunctions: image/png: png
typefindfunctions: image/gif: gif
typefindfunctions: image/jpeg: jpg, jpe, jpeg
typefindfunctions: application/x-ape: ape
typefindfunctions: audio/x-shorten: shn
typefindfunctions: audio/x-rf64: rf64
typefindfunctions: audio/x-w64: w64
typefindfunctions: audio/x-ircam: sf
typefindfunctions: audio/x-sds: sds
typefindfunctions: audio/x-voc: voc
typefindfunctions: audio/x-nist: nist
typefindfunctions: audio/x-paris: paf
typefindfunctions: audio/x-svx: iff, svx
typefindfunctions: audio/x-aiff: aiff, aif, aifc
typefindfunctions: audio/x-wav: wav
typefindfunctions: application/xml: xml
typefindfunctions: application/ttml+xml: ttml+xml
typefindfunctions: application/smil: smil
typefindfunctions: application/sdp: sdp
typefindfunctions: application/x-hls: m3u8
typefindfunctions: application/itc: itc
typefindfunctions: text/uri-list: ram
typefindfunctions: text/utf-32: txt
typefindfunctions: text/utf-16: txt
typefindfunctions: text/plain: txt
typefindfunctions: video/x-flv: flv
typefindfunctions: application/vnd.ms-sstr+xml: no extensions
typefindfunctions: application/dash+xml: mpd, MPD
typefindfunctions: application/x-shockwave-flash: swf, swfl
typefindfunctions: application/x-pn-realaudio: ra, ram, rm, rmvb
typefindfunctions: application/vnd.rn-realmedia: ra, ram, rm, rmvb
typefindfunctions: text/html: htm, html
typefindfunctions: video/mj2: mj2
typefindfunctions: image/x-jpc: jpc, j2k
typefindfunctions: image/jp2: jp2
typefindfunctions: image/x-quicktime: qif, qtif, qti
typefindfunctions: video/quicktime: mov, mp4
typefindfunctions: application/x-3gp: 3gp
typefindfunctions: audio/x-m4a: m4a
typefindfunctions: video/x-nuv: nuv
typefindfunctions: video/x-h265: h265, x265, 265
typefindfunctions: video/x-h264: h264, x264, 264
typefindfunctions: video/x-h263: h263, 263
typefindfunctions: video/mpeg4: m4v
typefindfunctions: video/mpeg-elementary: mpv, mpeg, mpg
typefindfunctions: application/ogg: ogg, oga, ogv, ogm, ogx, spx, anx, axa, axv
typefindfunctions: video/mpegts: ts, mts
typefindfunctions: video/mpeg-sys: mpe, mpeg, mpg
typefindfunctions: audio/x-gsm: gsm
typefindfunctions: audio/x-dts: dts
typefindfunctions: audio/x-ac3: ac3, eac3
typefindfunctions: audio/mpeg: mp3, mp2, mp1, mpga
typefindfunctions: audio/x-mod: 669, amf, ams, dbm, digi, dmf, dsm, gdm, far, imf, it, j2b, mdl, med, mod, mt2, mtm, okt, psm, ptm, sam, s3m, stm, st
, ult, umx, xm
typefindfunctions: audio/x-ttafile: tta
typefindfunctions: application/x-apetag: mp3, ape, mpc, wv
typefindfunctions: application/x-id3v1: mp3, mp2, mp1, mpga, ogg, flac, tta
typefindfunctions: application/x-id3v2: mp3, mp2, mp1, mpga, ogg, flac, tta
typefindfunctions: video/x-fli: flc, fli
typefindfunctions: audio/mobile-xmf: mxmf
typefindfunctions: audio/riff-midi: mid, midi
typefindfunctions: audio/midi: mid, midi
typefindfunctions: audio/x-imelody: imy, ime, imelody
typefindfunctions: video/x-vcd: dat
typefindfunctions: video/x-cdxa: dat
typefindfunctions: audio/qcelp: qcp
typefindfunctions: video/x-msvideo: avi
typefindfunctions: audio/x-au: au, snd
typefindfunctions: audio/x-musepack: mpc, mpp, mp+
typefindfunctions: video/x-ms-asf: asf, wm, wma, wmv
theora:  theoraparse: Theora video parser
theora:  theoraenc: Theora video encoder
theora:  theoradec: Theora video decoder
tcp:  multisocketsink: Multi socket sink
tcp:  tcpserversrc: TCP server source
tcp:  tcpserversink: TCP server sink
tcp:  tcpclientsrc: TCP client source
tcp:  tcpclientsink: TCP client sink
tcp:  socketsrc: socket source
subparse:  ssaparse: SSA Subtitle Parser
subparse:  subparse: Subtitle parser
subparse: subparse_typefind: srt, sub, mpsub, mdvd, smi, txt, dks, vtt
srtp:  srtpdec: SRTP decoder
srtp:  srtpenc: SRTP encoder
speex:  speexdec: Speex audio decoder
speex:  speexenc: Speex audio encoder
speed:  speed: Speed
spectrum:  spectrum: Spectrum analyzer
spandsp:  tonegeneratesrc: Telephony Tone  Generator source
spandsp:  dtmfdetect: DTMF detector element
spandsp:  spanplc: SpanDSP PLC
soup:  souphttpclientsink: HTTP client sink
soup:  souphttpsrc: HTTP client source
smpte:  smptealpha: SMPTE transitions
smpte:  smpte: SMPTE transitions
smoothstreaming:  mssdemux: Smooth Streaming demuxer
smooth:  smooth: Smooth effect
siren:  sirenenc: Siren Encoder element
siren:  sirendec: Siren Decoder element
shapewipe:  shapewipe: Shape Wipe transition filter
segmentclip:  videosegmentclip: Video buffer segment clipper
segmentclip:  audiosegmentclip: Audio buffer segment clipper
sdpelem:  sdpsrc: SDP Source
sdpelem:  sdpdemux: SDP session setup
sbc:  sbcenc: Bluetooth SBC audio encoder
sbc:  sbcdec: Bluetooth SBC audio decoder
rtspclientsink:  rtspclientsink: RTSP RECORD client
rtsp:  rtpdec: RTP Decoder
rtsp:  rtspsrc: RTSP packet receiver
rtpmanager:  rtpdtmfmux: RTP muxer
rtpmanager:  rtpmux: RTP muxer
rtpmanager:  rtpssrcdemux: RTP SSRC Demux
rtpmanager:  rtprtxsend: RTP Retransmission Sender
rtpmanager:  rtprtxreceive: RTP Retransmission receiver
rtpmanager:  rtprtxqueue: RTP Retransmission Queue
rtpmanager:  rtpsession: RTP Session
rtpmanager:  rtpptdemux: RTP Demux
rtpmanager:  rtpjitterbuffer: RTP packet jitter-buffer
rtpmanager:  rtpbin: RTP Bin
rtp:  rtpstorage: RTP storage
rtp:  rtpulpfecenc: RTP FEC Encoder
rtp:  rtpulpfecdec: RTP FEC Decoder
rtp:  rtpreddec: Redundant Audio Data (RED) Decoder
rtp:  rtpredenc: Redundant Audio Data (RED) Encoder
rtp:  rtpstreamdepay: RTP Stream Depayloading
rtp:  rtpstreampay: RTP Stream Payloading
rtp:  rtpvrawpay: RTP Raw Video payloader
rtp:  rtpvrawdepay: RTP Raw Video depayloader
rtp:  rtpvp9pay: RTP VP9 payloader
rtp:  rtpvp9depay: RTP VP9 depayloader
rtp:  rtpvp8pay: RTP VP8 payloader
rtp:  rtpvp8depay: RTP VP8 depayloader
rtp:  rtpvorbispay: RTP Vorbis payloader
rtp:  rtpvorbisdepay: RTP Vorbis depayloader
rtp:  rtptheorapay: RTP Theora payloader
rtp:  rtptheoradepay: RTP Theora depayloader
rtp:  rtpsv3vdepay: RTP SVQ3 depayloader
rtp:  rtpspeexdepay: RTP Speex depayloader
rtp:  rtpspeexpay: RTP Speex payloader
rtp:  rtpsirendepay: RTP Siren packet depayloader
rtp:  rtpsirenpay: RTP Payloader for Siren Audio
rtp:  rtpsbcpay: RTP packet payloader
rtp:  rtpsbcdepay: RTP SBC audio depayloader
rtp:  rtpqdm2depay: RTP QDM2 depayloader
rtp:  rtpqcelpdepay: RTP QCELP depayloader
rtp:  rtpmp4gpay: RTP MPEG4 ES payloader
rtp:  rtpmp4gdepay: RTP MPEG4 ES depayloader
rtp:  rtpmp4adepay: RTP MPEG4 audio depayloader
rtp:  rtpmp4apay: RTP MPEG4 audio payloader
rtp:  rtpmp4vdepay: RTP MPEG4 video depayloader
rtp:  rtpmp4vpay: RTP MPEG4 Video payloader
rtp:  rtpmp2tpay: RTP MPEG2 Transport Stream payloader
rtp:  rtpmp2tdepay: RTP MPEG Transport Stream depayloader
rtp:  rtpmp1sdepay: RTP MPEG1 System Stream depayloader
rtp:  asteriskh263: RTP Asterisk H263 depayloader
rtp:  rtpL24depay: RTP audio depayloader
rtp:  rtpL24pay: RTP audio payloader
rtp:  rtpL16depay: RTP audio depayloader
rtp:  rtpL16pay: RTP audio payloader
rtp:  rtpL8depay: RTP audio depayloader
rtp:  rtpL8pay: RTP audio payloader
rtp:  rtpklvpay: RTP KLV Payloader
rtp:  rtpklvdepay: RTP KLV Depayloader
rtp:  rtpjpegpay: RTP JPEG payloader
rtp:  rtpjpegdepay: RTP JPEG depayloader
rtp:  rtpj2kpay: RTP JPEG 2000 payloader
rtp:  rtpj2kdepay: RTP JPEG 2000 depayloader
rtp:  rtph265pay: RTP H265 payloader
rtp:  rtph265depay: RTP H265 depayloader
rtp:  rtph264pay: RTP H264 payloader
rtp:  rtph264depay: RTP H264 depayloader
rtp:  rtph263pay: RTP H263 packet payloader
rtp:  rtph263depay: RTP H263 depayloader
rtp:  rtph263pdepay: RTP H263 depayloader
rtp:  rtph263ppay: RTP H263 payloader
rtp:  rtph261depay: RTP H261 depayloader
rtp:  rtph261pay: RTP H261 packet payloader
rtp:  rtpopuspay: RTP Opus payloader
rtp:  rtpopusdepay: RTP Opus packet depayloader
rtp:  rtpmpvpay: RTP MPEG2 ES video payloader
rtp:  rtpmpvdepay: RTP MPEG video depayloader
rtp:  rtpmparobustdepay: RTP MPEG audio depayloader
rtp:  rtpmpapay: RTP MPEG audio payloader
rtp:  rtpmpadepay: RTP MPEG audio depayloader
rtp:  rtppcmapay: RTP PCMA payloader
rtp:  rtppcmupay: RTP PCMU payloader
rtp:  rtppcmudepay: RTP PCMU depayloader
rtp:  rtppcmadepay: RTP PCMA depayloader
rtp:  rtpamrpay: RTP AMR payloader
rtp:  rtpamrdepay: RTP AMR depayloader
rtp:  rtpgsmpay: RTP GSM payloader
rtp:  rtpgsmdepay: RTP GSM depayloader
rtp:  rtpg729pay: RTP G.729 payloader
rtp:  rtpg729depay: RTP G.729 depayloader
rtp:  rtpg726pay: RTP G.726 payloader
rtp:  rtpg726depay: RTP G.726 depayloader
rtp:  rtpg723pay: RTP G.723 payloader
rtp:  rtpg723depay: RTP G.723 depayloader
rtp:  rtpg722pay: RTP audio payloader
rtp:  rtpg722depay: RTP audio depayloader
rtp:  rtpilbcdepay: RTP iLBC depayloader
rtp:  rtpilbcpay: RTP iLBC Payloader
rtp:  rtpgstpay: RTP GStreamer payloader
rtp:  rtpgstdepay: GStreamer depayloader
rtp:  rtpdvpay: RTP DV Payloader
rtp:  rtpdvdepay: RTP DV Depayloader
rtp:  rtpceltpay: RTP CELT payloader
rtp:  rtpceltdepay: RTP CELT depayloader
rtp:  rtpbvpay: RTP BV Payloader
rtp:  rtpbvdepay: RTP BroadcomVoice depayloader
rtp:  rtpac3pay: RTP AC3 audio payloader
rtp:  rtpac3depay: RTP AC3 depayloader
rsvg:  rsvgdec: SVG image decoder
rsvg:  rsvgoverlay: RSVG overlay
rfbsrc:  rfbsrc: Rfb source
replaygain:  rgvolume: ReplayGain volume
replaygain:  rglimiter: ReplayGain limiter
replaygain:  rganalysis: ReplayGain analysis
removesilence:  removesilence: RemoveSilence
rawparse:  rawvideoparse: rawvideoparse
rawparse:  rawaudioparse: rawaudioparse
rawparse:  unalignedvideoparse: unalignedvideoparse
rawparse:  unalignedaudioparse: unalignedaudioparse
pnm:  pnmenc: PNM image encoder
pnm:  pnmdec: PNM image decoder
png:  pngenc: PNG image encoder
png:  pngdec: PNG image decoder
playback:  parsebin: Parse Bin
playback:  urisourcebin: URI reader
playback:  uridecodebin3: URI Decoder
playback:  uridecodebin: URI Decoder
playback:  decodebin3: Decoder Bin 3
playback:  decodebin: Decoder Bin
playback:  streamsynchronizer: Stream Synchronizer
playback:  subtitleoverlay: Subtitle Overlay
playback:  playsink: Player Sink
playback:  playbin3: Player Bin 3
playback:  playbin: Player Bin 2
pcapparse:  irtspparse: IRTSPParse
pcapparse:  pcapparse: PCapParse
pango:  textrender: Text renderer
pango:  clockoverlay: Clock overlay
pango:  timeoverlay: Time overlay
pango:  textoverlay: Text overlay
opusparse:  opusparse: Opus audio parser
opus:  opusdec: Opus audio decoder
opus:  opusenc: Opus audio encoder
openjpeg:  openjpegenc: OpenJPEG JPEG2000 encoder
openjpeg:  openjpegdec: OpenJPEG JPEG2000 decoder
openglmixers:  glmosaic: OpenGL mosaic
openglmixers:  glstereomix: OpenGL stereo video combiner
openglmixers:  glvideomixerelement: OpenGL video_mixer
openglmixers:  glvideomixer: OpenGL video_mixer bin
openglmixers:  glmixerbin: OpenGL video_mixer empty bin
opengl:  gldifferencematte: Gstreamer OpenGL DifferenceMatte
opengl:  glfilterglass: OpenGL glass filter
opengl:  gloverlay: Gstreamer OpenGL Overlay
opengl:  gldeinterlace: OpenGL deinterlacing filter
opengl:  gltestsrc: Video test source
opengl:  glstereosplit: GLStereoSplit
opengl:  glviewconvert: OpenGL Multiview/3D conversion filter
opengl:  glfilterapp: OpenGL application filter
opengl:  glshader: OpenGL fragment shader filter
opengl:  glcolorscale: OpenGL color scale
opengl:  gleffects_laplacian: Laplacian Convolution Demo Effect
opengl:  gleffects_blur: Blur with 9x9 separable convolution Effect
opengl:  gleffects_sobel: Sobel edge detection Effect
opengl:  gleffects_glow: Glow Lighting Effect
opengl:  gleffects_sin: All Grey but Red Effect
opengl:  gleffects_xray: Glowing negative effect
opengl:  gleffects_lumaxpro: Luma Cross Processing Effect
opengl:  gleffects_xpro: Cross Processing Effect
opengl:  gleffects_sepia: Sepia Toning Effect
opengl:  gleffects_heat: Heat Signature Effect
opengl:  gleffects_square: Square Effect
opengl:  gleffects_bulge: Bulge Effect
opengl:  gleffects_twirl: Twirl Effect
opengl:  gleffects_fisheye: FishEye Effect
opengl:  gleffects_tunnel: Light Tunnel Effect
opengl:  gleffects_stretch: Stretch Effect
opengl:  gleffects_squeeze: Squeeze Effect
opengl:  gleffects_mirror: Mirror Effect
opengl:  gleffects_identity: Do nothing Effect
opengl:  gleffects: Gstreamer OpenGL Effects
opengl:  glvideoflip: OpenGL video flip filter
opengl:  gltransformation: OpenGL transformation filter
opengl:  glfiltercube: OpenGL cube filter
opengl:  glsrcbin: GL Src Bin
opengl:  glsinkbin: GL Sink Bin
opengl:  glfilterbin: GL Filter Bin
opengl:  glcolorbalance: Video balance
opengl:  glcolorconvert: OpenGL color converter
opengl:  gldownload: OpenGL downloader
opengl:  glupload: OpenGL uploader
opengl:  glimagesinkelement: OpenGL video sink
opengl:  glimagesink: GL Sink Bin
ogg:  oggaviparse: Ogg AVI parser
ogg:  oggparse: Ogg parser
ogg:  ogmtextparse: OGM text stream parser
ogg:  ogmvideoparse: OGM video stream parser
ogg:  ogmaudioparse: OGM audio stream parser
ogg:  oggmux: Ogg muxer
ogg:  oggdemux: Ogg demuxer
nice:  nicesink: ICE sink
nice:  nicesrc: ICE source
mxf:  mxfmux: MXF muxer
mxf:  mxfdemux: MXF Demuxer
multipart:  multipartmux: Multipart muxer
multipart:  multipartdemux: Multipart demuxer
multifile:  splitmuxsrc: Split File Demuxing Bin
multifile:  splitmuxsink: Split Muxing Bin
multifile:  splitfilesrc: Split-File Source
multifile:  multifilesink: Multi-File Sink
multifile:  multifilesrc: Multi-File Source
mulaw:  mulawdec: Mu Law audio decoder
mulaw:  mulawenc: Mu Law audio encoder
mpg123:  mpg123audiodec: mpg123 mp3 decoder
midi:  midiparse: MidiParse
matroska:  webmmux: WebM muxer
matroska:  matroskamux: Matroska muxer
matroska:  matroskaparse: Matroska parser
matroska:  matroskademux: Matroska demuxer
level:  level: Level
legacyrawparse:  audioparse: Audio Parse
legacyrawparse:  videoparse: Video Parse
lame:  lamemp3enc: L.A.M.E. mp3 encoder
kate:  katetag: Kate stream tagger
kate:  kateparse: Kate stream parser
kate:  kateenc: Kate stream encoder
kate:  katedec: Kate stream text decoder
jpegformat:  jifmux: JPEG stream muxer
jpegformat:  jpegparse: JPEG stream parser
jpeg:  jpegdec: JPEG image decoder
jpeg:  jpegenc: JPEG image encoder
ivtc:  combdetect: Comb Detect
ivtc:  ivtc: Inverse Telecine
isomp4:  qtmoovrecover: QT Moov Recover
isomp4:  mj2mux: MJ2 Muxer
isomp4:  3gppmux: 3GPP Muxer
isomp4:  ismlmux: ISML Muxer
isomp4:  mp4mux: MP4 Muxer
isomp4:  qtmux: QuickTime Muxer
isomp4:  rtpxqtdepay: RTP packet depayloader
isomp4:  qtdemux: QuickTime demuxer
interleave:  deinterleave: Audio deinterleaver
interleave:  interleave: Audio interleaver
interlace:  interlace: Interlace filter
inter:  intervideosink: Internal video sink
inter:  intervideosrc: Internal video source
inter:  intersubsink: Internal subtitle sink
inter:  intersubsrc: Internal subtitle source
inter:  interaudiosink: Internal audio sink
inter:  interaudiosrc: Internal audio source
id3tag:  id3mux: ID3 v1 and v2 Muxer
id3demux:  id3demux: ID3 tag demuxer
icydemux:  icydemux: ICY tag demuxer
hls:  hlssink2: HTTP Live Streaming sink
hls:  hlssink: HTTP Live Streaming sink
hls:  hlsdemux: HLS Demuxer
goom2k1:  goom2k1: GOOM: what a GOOM! 2k1 edition
goom:  goom: GOOM: what a GOOM!
geometrictransform:  perspective: perspective
geometrictransform:  fisheye: fisheye
geometrictransform:  mirror: mirror
geometrictransform:  square: square
geometrictransform:  tunnel: tunnel
geometrictransform:  bulge: bulge
geometrictransform:  stretch: stretch
geometrictransform:  waterripple: waterripple
geometrictransform:  twirl: twirl
geometrictransform:  sphere: sphere
geometrictransform:  rotate: rotate
geometrictransform:  pinch: pinch
geometrictransform:  marble: marble
geometrictransform:  kaleidoscope: kaleidoscope
geometrictransform:  diffuse: diffuse
geometrictransform:  circle: circle
gdp:  gdppay: GDP Payloader
gdp:  gdpdepay: GDP Depayloader
gdkpixbuf:  gdkpixbufsink: GdkPixbuf sink
gdkpixbuf:  gdkpixbufoverlay: GdkPixbuf Overlay
gdkpixbuf:  gdkpixbufdec: GdkPixbuf image decoder
gaudieffects:  gaussianblur: GstGaussianBlur
gaudieffects:  solarize: Solarize
gaudieffects:  exclusion: Exclusion
gaudieffects:  dodge: Dodge
gaudieffects:  dilate: Dilate
gaudieffects:  chromium: Chromium
gaudieffects:  burn: Burn
freeverb:  freeverb: Reverberation/room effect
flxdec:  flxdec: FLX video decoder
flv:  flvmux: FLV muxer
flv:  flvdemux: FLV Demuxer
flac:  flactag: FLAC tagger
flac:  flacdec: FLAC audio decoder
flac:  flacenc: FLAC audio encoder
fieldanalysis:  fieldanalysis: Video field analysis
equalizer:  equalizer-10bands: 10 Band Equalizer
equalizer:  equalizer-3bands: 3 Band Equalizer
equalizer:  equalizer-nbands: N Band Equalizer
effectv:  rippletv: RippleTV effect
effectv:  streaktv: StreakTV effect
effectv:  radioactv: RadioacTV effect
effectv:  optv: OpTV effect
effectv:  quarktv: QuarkTV effect
effectv:  revtv: RevTV effect
effectv:  vertigotv: VertigoTV effect
effectv:  shagadelictv: ShagadelicTV
effectv:  warptv: WarpTV effect
effectv:  dicetv: DiceTV effect
effectv:  agingtv: AgingTV effect
effectv:  edgetv: EdgeTV effect
dvdspu:  dvdspu: Sub-picture Overlay
dvbsuboverlay:  dvbsuboverlay: DVB Subtitles Overlay
dv:  dvdec: DV video decoder
dv:  dvdemux: DV system stream demuxer
dtmf:  rtpdtmfdepay: RTP DTMF packet depayloader
dtmf:  rtpdtmfsrc: RTP DTMF packet generator
dtmf:  dtmfsrc: DTMF tone generator
directsound:  directsoundsinkdeviceprovider (GstDeviceProviderFactory)
directsound:  directsoundsink: Direct Sound Audio Sink
deinterlace:  deinterlace: Deinterlacer
debugutilsbad:  fakevideosink: Fake Video Sink
debugutilsbad:  errorignore: Convert some GstFlowReturn types into others
debugutilsbad:  watchdog: Watchdog
debugutilsbad:  debugspy: DebugSpy
debugutilsbad:  compare: Compare buffers
debugutilsbad:  chopmydata: FIXME
debugutilsbad:  fpsdisplaysink: Measure and show framerate on videosink
debugutilsbad:  checksumsink: Checksum sink
debug:  cpureport: CPU report
debug:  testsink: Test plugin
debug:  taginject: TagInject
debug:  progressreport: Progress report
debug:  pushfilesrc: Push File Source
debug:  navseek: Seek based on left-right arrows
debug:  rndbuffersize: Random buffer size
debug:  capssetter: CapsSetter
debug:  breakmydata: Break my data
dashdemux:  dashdemux: DASH Demuxer
d3d:  d3dvideosink: Direct3D video sink
cutter:  cutter: Audio cutter
coreelements:  streamiddemux: Streamid Demux
coreelements:  valve: Valve element
coreelements:  multiqueue: MultiQueue
coreelements:  typefind: TypeFind
coreelements:  tee: Tee pipe fitting
coreelements:  filesink: File Sink
coreelements:  queue2: Queue 2
coreelements:  queue: Queue
coreelements:  output-selector: Output selector
coreelements:  input-selector: Input selector
coreelements:  identity: Identity
coreelements:  funnel: Funnel pipe fitting
coreelements:  filesrc: File Source
coreelements:  fakesink: Fake Sink
coreelements:  fakesrc: Fake Source
coreelements:  downloadbuffer: DownloadBuffer
coreelements:  dataurisrc: data: URI source element
coreelements:  concat: Concat
coreelements:  capsfilter: CapsFilter
compositor:  compositor: Compositor
coloreffects:  chromahold: Chroma hold filter
coloreffects:  coloreffects: Color Look-up Table filter
cairo:  cairooverlay: Cairo overlay
bayer:  rgb2bayer: RGB to Bayer converter
bayer:  bayer2rgb: Bayer to RGB decoder for cameras
avi:  avisubtitle: Avi subtitle parser
avi:  avimux: Avi muxer
avi:  avidemux: Avi demuxer
auparse:  auparse: AU audio demuxer
audiovisualizers:  wavescope: Waveform oscilloscope
audiovisualizers:  synaescope: Synaescope
audiovisualizers:  spectrascope: Frequency spectrum scope
audiovisualizers:  spacescope: Stereo visualizer
audiotestsrc:  audiotestsrc: Audio test source
audioresample:  audioresample: Audio resampler
audiorate:  audiorate: Audio rate adjuster
audioparsers:  wavpackparse: Wavpack audio stream parser
audioparsers:  sbcparse: SBC audio parser
audioparsers:  mpegaudioparse: MPEG1 Audio Parser
audioparsers:  flacparse: FLAC audio parser
audioparsers:  dcaparse: DTS Coherent Acoustics audio stream parser
audioparsers:  ac3parse: AC3 audio stream parser
audioparsers:  amrparse: AMR audio stream parser
audioparsers:  aacparse: AAC audio stream parser
audiomixer:  audiointerleave: AudioInterleave
audiomixer:  liveadder: AudioMixer
audiomixer:  audiomixer: AudioMixer
audiofxbad:  audiochannelmix: Simple stereo audio mixer
audiofx:  scaletempo: Scaletempo
audiofx:  audioecho: Audio echo
audiofx:  audiofirfilter: Audio FIR filter
audiofx:  audiowsincband: Band pass & band reject filter
audiofx:  audiowsinclimit: Low pass & high pass filter
audiofx:  audioiirfilter: Audio IIR filter
audiofx:  audiochebband: Band pass & band reject filter
audiofx:  audiocheblimit: Low pass & high pass filter
audiofx:  audiodynamic: Dynamic range controller
audiofx:  audioamplify: Audio amplifier
audiofx:  audiokaraoke: AudioKaraoke
audiofx:  audioinvert: Audio inversion
audiofx:  audiopanorama: Stereo positioning
audioconvert:  audioconvert: Audio converter
audiobuffersplit:  audiobuffersplit: Audio Buffer Split
app:  appsink: AppSink
app:  appsrc: AppSrc
apetag:  apedemux: APE tag demuxer
alphacolor:  alphacolor: Alpha color filter
alpha:  alpha: Alpha filter
alaw:  alawdec: A Law audio decoder
alaw:  alawenc: A Law audio encoder
aiff:  aiffmux: AIFF audio muxer
aiff:  aiffparse: AIFF audio demuxer
adpcmenc:  adpcmenc: ADPCM encoder
adpcmdec:  adpcmdec: ADPCM decoder
adder:  adder: Adder
accurip:  accurip: AccurateRip(TM) CRC element
subenc:  srtenc: Srt encoder
subenc:  webvttenc: WebVTT encoder
proxy:  proxysrc: Proxy source
proxy:  proxysink: Proxy Sink
imagefreeze:  imagefreeze: Still frame stream generator
dtls:  dtlsenc: DTLS Encoder
dtls:  dtlsdec: DTLS Decoder
dtls:  dtlssrtpdec: DTLS-SRTP Decoder
dtls:  dtlssrtpenc: DTLS-SRTP Encoder
dtls:  dtlssrtpdemux: DTLS SRTP Demultiplexer
coretracers:  latency (GstTracerFactory)
coretracers:  log (GstTracerFactory)
coretracers:  stats (GstTracerFactory)
coretracers:  leaks (GstTracerFactory)
autodetect:  autovideosink: Auto video sink
autodetect:  autovideosrc: Auto video source
autodetect:  autoaudiosink: Auto audio sink
autodetect:  autoaudiosrc: Auto audio source
autoconvert:  autoconvert: Select convertor based on caps
autoconvert:  autovideoconvert: Select color space convertor based on caps
staticelements:  bin: Generic bin
staticelements:  pipeline: Pipeline object

Total count: 149 plugins, 671 features