AW: about gstreamer rtp

Mon Oct 23 10:44:35 UTC 2017

Hi, how does your client know the width, height and framerate of the video you are sending? E.g with an sdp file.

Von: gstreamer-devel [mailto:gstreamer-devel-bounces at lists.freedesktop.org] Im Auftrag von Amit Kumar
Gesendet: Montag, 23. Oktober 2017 12:20
An: gstreamer-devel at lists.freedesktop.org
Betreff: about gstreamer rtp

I am trying to stream vedio through this pipeline but it doesnot showing anything on launch screen

 gst-launch-1.0 -v filesrc location = 1.mp4 ! decodebin ! x264enc ! rtph264pay ! udpsink host=192.168.0.1 port=5000

after executing this this ,i am getting... like this...,

Setting pipeline to PAUSED ...
Pipeline is PREROLLING ...
/GstPipeline:pipeline0/GstDecodeBin:decodebin0/GstTypeFindElement:typefind.GstPad:src: caps = video/quicktime, variant=(string)iso
/GstPipeline:pipeline0/GstDecodeBin:decodebin0/GstTypeFindElement:typefind.GstPad:src: caps = NULL
/GstPipeline:pipeline0/GstDecodeBin:decodebin0/GstMultiQueue:multiqueue0.GstPad:src_0: caps = video/mpeg, mpegversion=(int)4, systemstream=(boolean)false, profile=(string)simple, level=(string)3, codec_data=(buffer)000001b003000001b509000001000000012000bc0406c400670ca01168518f000001b25876694430303634, width=(int)1280, height=(int)720, framerate=(fraction)25/1, pixel-aspect-ratio=(fraction)1/1
/GstPipeline:pipeline0/GstDecodeBin:decodebin0/GstMpeg4VParse:mpeg4vparse0.GstPad:sink: caps = video/mpeg, mpegversion=(int)4, systemstream=(boolean)false, profile=(string)simple, level=(string)3, codec_data=(buffer)000001b003000001b509000001000000012000bc0406c400670ca01168518f000001b25876694430303634, width=(int)1280, height=(int)720, framerate=(fraction)25/1, pixel-aspect-ratio=(fraction)1/1
/GstPipeline:pipeline0/GstDecodeBin:decodebin0/GstMultiQueue:multiqueue0.GstPad:src_1: caps = audio/mpeg, mpegversion=(int)4, framed=(boolean)true, stream-format=(string)raw, level=(string)2, base-profile=(string)lc, profile=(string)lc, codec_data=(buffer)1210, rate=(int)44100, channels=(int)2
/GstPipeline:pipeline0/GstDecodeBin:decodebin0/GstFaad:faad0.GstPad:sink: caps = audio/mpeg, mpegversion=(int)4, framed=(boolean)true, stream-format=(string)raw, level=(string)2, base-profile=(string)lc, profile=(string)lc, codec_data=(buffer)1210, rate=(int)44100, channels=(int)2
/GstPipeline:pipeline0/GstDecodeBin:decodebin0/GstAacParse:aacparse0.GstPad:src: caps = audio/mpeg, mpegversion=(int)4, framed=(boolean)true, stream-format=(string)raw, level=(string)2, base-profile=(string)lc, profile=(string)lc, codec_data=(buffer)1210, rate=(int)44100, channels=(int)2
/GstPipeline:pipeline0/GstDecodeBin:decodebin0/GstAacParse:aacparse0.GstPad:sink: caps = audio/mpeg, mpegversion=(int)4, framed=(boolean)true, stream-format=(string)raw, level=(string)2, base-profile=(string)lc, profile=(string)lc, codec_data=(buffer)1210, rate=(int)44100, channels=(int)2
/GstPipeline:pipeline0/GstDecodeBin:decodebin0/GstMultiQueue:multiqueue0: max-size-buffers = 5
/GstPipeline:pipeline0/GstDecodeBin:decodebin0/GstMultiQueue:multiqueue0: max-size-time = 0
/GstPipeline:pipeline0/GstDecodeBin:decodebin0/GstMultiQueue:multiqueue0: max-size-bytes = 2097152
/GstPipeline:pipeline0/GstDecodeBin:decodebin0/GstMultiQueue:multiqueue0.GstMultiQueuePad:sink_0: caps = video/mpeg, mpegversion=(int)4, systemstream=(boolean)false, profile=(string)simple, level=(string)3, codec_data=(buffer)000001b003000001b509000001000000012000bc0406c400670ca01168518f000001b25876694430303634, width=(int)1280, height=(int)720, framerate=(fraction)25/1, pixel-aspect-ratio=(fraction)1/1
/GstPipeline:pipeline0/GstDecodeBin:decodebin0/GstMultiQueue:multiqueue0.GstMultiQueuePad:sink_1: caps = audio/mpeg, mpegversion=(int)4, framed=(boolean)true, stream-format=(string)raw, level=(string)2, base-profile=(string)lc, profile=(string)lc, codec_data=(buffer)1210, rate=(int)44100, channels=(int)2
/GstPipeline:pipeline0/GstDecodeBin:decodebin0/GstMultiQueue:multiqueue0.GstMultiQueuePad:sink_1: caps = audio/mpeg, mpegversion=(int)4, framed=(boolean)true, stream-format=(string)raw, level=(string)2, base-profile=(string)lc, profile=(string)lc, codec_data=(buffer)1210, rate=(int)44100, channels=(int)2
/GstPipeline:pipeline0/GstDecodeBin:decodebin0/GstFaad:faad0.GstPad:src: caps = audio/x-raw, format=(string)S16LE, layout=(string)interleaved, rate=(int)44100, channels=(int)2, channel-mask=(bitmask)0x0000000000000003
/GstPipeline:pipeline0/GstDecodeBin:decodebin0/GstMultiQueue:multiqueue0: max-size-buffers = 5
/GstPipeline:pipeline0/GstDecodeBin:decodebin0/GstMultiQueue:multiqueue0: max-size-time = 0
/GstPipeline:pipeline0/GstDecodeBin:decodebin0/GstMultiQueue:multiqueue0: max-size-bytes = 2097152
libva info: VA-API version 0.34.0
libva info: va_getDriverName() returns 0
libva info: Trying to open /usr/lib64/dri/i965_drv_video.so
libva info: va_openDriver() returns -1
libva info: VA-API version 0.34.0
libva info: va_getDriverName() returns 0
libva info: Trying to open /usr/lib64/dri/i965_drv_video.so
libva info: va_openDriver() returns -1
libva info: VA-API version 0.34.0
libva info: va_getDriverName() returns 1
libva error: va_getDriverName() failed with operation failed,driver_name=i965
libva info: VA-API version 0.34.0
libva info: va_getDriverName() returns 1
libva error: va_getDriverName() failed with operation failed,driver_name=i965
Redistribute latency...
/GstPipeline:pipeline0/GstDecodeBin:decodebin0/avdec_mpeg4:avdec_mpeg4-0.GstPad:sink: caps = video/mpeg, mpegversion=(int)4, systemstream=(boolean)false, profile=(string)simple, level=(string)3, codec_data=(buffer)000001b003000001b509000001000000012000bc0406c400670ca01168518f000001b25876694430303634, width=(int)1280, height=(int)720, framerate=(fraction)25/1, pixel-aspect-ratio=(fraction)1/1, parsed=(boolean)true
/GstPipeline:pipeline0/GstDecodeBin:decodebin0/GstMpeg4VParse:mpeg4vparse0.GstPad:src: caps = video/mpeg, mpegversion=(int)4, systemstream=(boolean)false, profile=(string)simple, level=(string)3, codec_data=(buffer)000001b003000001b509000001000000012000bc0406c400670ca01168518f000001b25876694430303634, width=(int)1280, height=(int)720, framerate=(fraction)25/1, pixel-aspect-ratio=(fraction)1/1, parsed=(boolean)true
/GstPipeline:pipeline0/GstDecodeBin:decodebin0/avdec_mpeg4:avdec_mpeg4-0.GstPad:src: caps = video/x-raw, format=(string)I420, width=(int)1280, height=(int)720, interlace-mode=(string)progressive, pixel-aspect-ratio=(fraction)1/1, chroma-site=(string)mpeg2, colorimetry=(string)bt709, framerate=(fraction)25/1
Redistribute latency...
/GstPipeline:pipeline0/GstX264Enc:x264enc0.GstPad:sink: caps = video/x-raw, format=(string)I420, width=(int)1280, height=(int)720, interlace-mode=(string)progressive, pixel-aspect-ratio=(fraction)1/1, chroma-site=(string)mpeg2, colorimetry=(string)bt709, framerate=(fraction)25/1
/GstPipeline:pipeline0/GstDecodeBin:decodebin0.GstDecodePad:src_0.GstProxyPad:proxypad2: caps = video/x-raw, format=(string)I420, width=(int)1280, height=(int)720, interlace-mode=(string)progressive, pixel-aspect-ratio=(fraction)1/1, chroma-site=(string)mpeg2, colorimetry=(string)bt709, framerate=(fraction)25/1
/GstPipeline:pipeline0/GstX264Enc:x264enc0.GstPad:src: caps = video/x-h264, codec_data=(buffer)0164001fffe100196764001facd9405005bb0110000003001773594000f183196001000568ebecb22c, stream-format=(string)avc, alignment=(string)au, level=(string)3.1, profile=(string)high, width=(int)1280, height=(int)720, pixel-aspect-ratio=(fraction)1/1, framerate=(fraction)25/1
/GstPipeline:pipeline0/GstRtpH264Pay:rtph264pay0.GstPad:src: caps = application/x-rtp, media=(string)video, clock-rate=(int)90000, encoding-name=(string)H264, packetization-mode=(string)1, profile-level-id=(string)64001f, sprop-parameter-sets=(string)"Z2QAH6zZQFAFuwEQAAADABdzWUAA8YMZYA\=\=\,aOvssiw\=", payload=(int)96, ssrc=(uint)3709228027, timestamp-offset=(uint)3227530616, seqnum-offset=(uint)29121, a-framerate=(string)25
/GstPipeline:pipeline0/GstUDPSink:udpsink0.GstPad:sink: caps = application/x-rtp, media=(string)video, clock-rate=(int)90000, encoding-name=(string)H264, packetization-mode=(string)1, profile-level-id=(string)64001f, sprop-parameter-sets=(string)"Z2QAH6zZQFAFuwEQAAADABdzWUAA8YMZYA\=\=\,aOvssiw\=", payload=(int)96, ssrc=(uint)3709228027, timestamp-offset=(uint)3227530616, seqnum-offset=(uint)29121, a-framerate=(string)25
/GstPipeline:pipeline0/GstRtpH264Pay:rtph264pay0.GstPad:sink: caps = video/x-h264, codec_data=(buffer)0164001fffe100196764001facd9405005bb0110000003001773594000f183196001000568ebecb22c, stream-format=(string)avc, alignment=(string)au, level=(string)3.1, profile=(string)high, width=(int)1280, height=(int)720, pixel-aspect-ratio=(fraction)1/1, framerate=(fraction)25/1
/GstPipeline:pipeline0/GstRtpH264Pay:rtph264pay0: timestamp = 3227530616
/GstPipeline:pipeline0/GstRtpH264Pay:rtph264pay0: seqnum = 29121
Pipeline is PREROLLED ...
Setting pipeline to PLAYING ...
New clock: GstSystemClock

,and my client side pipeline is ...

gst-launch-1.0 -v udpsrc port=5000 caps="application/x-rtp, media=video, clock-rate=90000, encoding-name=H264, payload=96, ssrc=3394826012, timestamp-offset=2215812541, seqnum-offset=46353" ! rtph264depay ! decodebin ! videoconvert ! autovideosink sync=false,

but i am not getting any launch screen ..

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