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Sur d’autres sites (7015)

  • Gstreamer errors when streaming on windows

    19 juillet 2014, par user2656632

    I tried to streaming video by gstreamer using this :

    Sender :

    gst-launch ksvideosrc ! ffmpegcolorspace ! ffenc_mpeg2video gop-size=1 ! mpegtsmux ! rtpmp2tpay ! udpsink host=127.0.0.1 port=5000

    Receiver :

    gst-launch udpsrc port=5000 caps="application/x-rtp, media=video, clockrate=90000, encoding-name=MP2TS" ! rtpmp2tdepay ! ffdemux_mpegts ! ffdec_mpeg2video ! ffmpegcolorspace ! directdrawsink

    It works, but wrong. I got very low fps and I got this output :

    0:00:01.583091000 19496   02404840 ERROR                 ffmpeg .:0:: invalid mb
    
 type in I Frame at 33 21
    
0:00:01.590091000 19496   02404840 ERROR                 ffmpeg .:0:: Warning MV
    
s not available
    
0:00:20.763188000 19496   02404840 ERROR                 ffmpeg .:0:: invalid mb
    
 type in I Frame at 33 21
    
0:00:20.764188000 19496   02404840 ERROR                 ffmpeg .:0:: Warning MV
    
s not available
    
0:00:20.816191000 19496   02404840 ERROR                 ffmpeg .:0:: skipped MB
    
 in I frame at 7 22
    
0:00:20.817191000 19496   02404840 ERROR                 ffmpeg .:0:: Warning MV
    
s not available
    
0:00:20.847192000 19496   02404840 ERROR                 ffmpeg .:0:: skipped MB
    
 in I frame at 24 19
    
0:00:20.949198000 19496   02404840 ERROR                 ffmpeg .:0:: skipped MB
    
 in I frame at 3 20
    
0:00:20.970199000 19496   02404840 ERROR                 ffmpeg .:0:: invalid mb
    
 type in I Frame at 36 19
    
0:00:20.982200000 19496   02404840 ERROR                 ffmpeg .:0:: skipped MB
    
 in I frame at 14 20
    
0:00:21.007202000 19496   02404840 ERROR                 ffmpeg .:0:: slice mism
    
atch
    
0:00:21.031203000 19496   02404840 ERROR                 ffmpeg .:0:: skipped MB
    
 in I frame at 13 20
    
0:00:21.060205000 19496   02404840 ERROR                 ffmpeg .:0:: skipped MB
    
 in I frame at 31 24

    How I can fix these issues ?

  • ffmpeg video stream to app c# [on hold]

    3 septembre 2014, par Alexey Medvedev

    I am trying to make a video mixer for online broadcasts. To do this, I use ffmpeg and C #. I had a problem with the transfer of the video stream from ffmpeg to my program. I would like to receive a stream of ffmpeg using network protocols (e.g. TCP, UDP or others) or capturing if from ffplay window, but I don`t how I can do it. Can you give me some ideas ?

    For example, I have command for ffmpeg : "ffmpeg -i video1.mp4 -f mpegts udp:127.0.0.1:5000" or same command with other output formats or network protocols. How i can read video stream from the port and convert it to Bitmap ?
    I need to send video stream from my program from computer A to my program to computer B. I write program on C#. I dont know how I can compress video which I must send between my computers and I decided to use Ffmpeg. Now, I can streaming video from my program in computer A to ffmpeg and compress it with parameters which I need.
    On second computer I can read this steam using ffmpeg or ffplay, but I don`t know how I can get this stream into my program.
    1) How can I get this stream in my program ? Which libraries can you recommend me ?
    2) Do you know any libraries which can compress video, instead of using ffmpeg ?

  • Gstreamer channel reordering failed

    31 octobre 2017, par user972851

    I installed the library essentia which causes my previously working pipeline to crash :

    ** (gst-launch-1.0:22515): CRITICAL **: gst_audio_reorder_channels: assertion 'size % ((info->width * channels) / 8) == 0' failed
    
ERROR: from element /GstPipeline:pipeline0/GstRtpL16Depay:rtpl16depay0: Channel reordering failed.
    
Additional debug info:
    
gstrtpL16depay.c(276): gst_rtp_L16_depay_process (): /GstPipeline:pipeline0/GstRtpL16Depay:rtpl16depay0

    The pipeline looks like this :

    udpsrc port=5000 ! application/x-rtp,media=(string)audio,channels=1, clock-rate=(int)44100,encoding-name=(string)L16,payload=10 ! rtpL16depay ! audioconvert ! tee name=t ! queue ! autoaudiosink sync=false t. ! queue ! appsink name=codesink

    I am using gstreamer 1.0 on Ubuntu 16.04 and (re-)installed the libraries mentioned in the essentia doc :

    build-essential libyaml-dev libfftw3-dev libavcodec-dev libavformat-dev libavutil-dev libavresample-dev python-dev libsamplerate0-dev libtag1-dev
    
python-numpy-dev python-numpy python-yaml
    
ffmpeg

    The essentia install script finished ’successfully’ even though I cannot find MonoLoader or any other Audioloader.... (so still something wrong with essentia as well, but thats not the main problem !)

    Cleaned out parts of the gstreamer debug log look like this :

    0:00:00.149495849 [334m22515[00m       0xd96a00 [37mDEBUG  [00m [00;01;36m  GST_PLUGIN_LOADING gstplugin.c:1549:gst_plugin_ext_dep_scan_dir_and_match_names:<plugin106>[00m g_dir_open(/dev/v4l2) failed: Error opening directory '/dev/v4l2': No such file or directory
    
0:00:00.149807870 [334m22515[00m       0xd96a00 [37mDEBUG  [00m [00;01;36m  GST_PLUGIN_LOADING gstplugin.c:1549:gst_plugin_ext_dep_scan_dir_and_match_names:<plugin223>[00m g_dir_open(/home/xxx/.frei0r-1/lib) failed: Error opening directory '/home/xxx/.frei0r-1/lib': No such file or directory
    
0:00:00.149823765 [334m22515[00m       0xd96a00 [37mDEBUG  [00m [00;01;36m  GST_PLUGIN_LOADING gstplugin.c:1549:gst_plugin_ext_dep_scan_dir_and_match_names:<plugin223>[00m g_dir_open(/usr/lib/x86_64-linux-gnu/frei0r-1) failed: Error opening directory '/usr/lib/x86_64-linux-gnu/frei0r-1': No such file or directory
    
0:00:00.149836069 [334m22515[00m       0xd96a00 [37mDEBUG  [00m [00;01;36m  GST_PLUGIN_LOADING gstplugin.c:1549:gst_plugin_ext_dep_scan_dir_and_match_names:<plugin223>[00m g_dir_open(/usr/lib/frei0r-1) failed: Error opening directory '/usr/lib/frei0r-1': No such file or directory
    
0:00:00.149847527 [334m22515[00m       0xd96a00 [37mDEBUG  [00m [00;01;36m  GST_PLUGIN_LOADING gstplugin.c:1549:gst_plugin_ext_dep_scan_dir_and_match_names:<plugin223>[00m g_dir_open(/usr/local/lib/frei0r-1) failed: Error opening directory '/usr/local/lib/frei0r-1': No such file or directory
    
0:00:00.149859202 [334m22515[00m       0xd96a00 [37mDEBUG  [00m [00;01;36m  GST_PLUGIN_LOADING gstplugin.c:1549:gst_plugin_ext_dep_scan_dir_and_match_names:<plugin223>[00m g_dir_open(/usr/lib32/frei0r-1) failed: Error opening directory '/usr/lib32/frei0r-1': No such file or directory
    
0:00:00.149870221 [334m22515[00m       0xd96a00 [37mDEBUG  [00m [00;01;36m  GST_PLUGIN_LOADING gstplugin.c:1549:gst_plugin_ext_dep_scan_dir_and_match_names:<plugin223>[00m g_dir_open(/usr/local/lib32/frei0r-1) failed: Error opening directory '/usr/local/lib32/frei0r-1': No such file or directory
    
0:00:00.149881462 [334m22515[00m       0xd96a00 [37mDEBUG  [00m [00;01;36m  GST_PLUGIN_LOADING gstplugin.c:1549:gst_plugin_ext_dep_scan_dir_and_match_names:<plugin223>[00m g_dir_open(/usr/lib64/frei0r-1) failed: Error opening directory '/usr/lib64/frei0r-1': No such file or directory
    
0:00:00.149893070 [334m22515[00m       0xd96a00 [37mDEBUG  [00m [00;01;36m  GST_PLUGIN_LOADING gstplugin.c:1549:gst_plugin_ext_dep_scan_dir_and_match_names:<plugin223>[00m g_dir_open(/usr/local/lib64/frei0r-1) failed: Error opening directory '/usr/local/lib64/frei0r-1': No such file or directory
    

    
0:00:00.186559327 [334m22515[00m       0xf93a80 [33;01mWARN   [00m [00m         rtpL16depay gstrtpL16depay.c:276:gst_rtp_L16_depay_process:<rtpl16depay0>[00m error: Channel reordering failed.
    
0:00:00.186574584 [334m22515[00m       0xf93a80 [37mDEBUG  [00m [00;01;37;41m         GST_MESSAGE gstelement.c:1848:gst_element_message_full:<rtpl16depay0>[00m start
    
0:00:00.186589070 [334m22515[00m       0xf93a80 [36mINFO   [00m [00;01;31;47m    GST_ERROR_SYSTEM gstelement.c:1879:gst_element_message_full:<rtpl16depay0>[00m posting message: Channel reordering failed.
    
0:00:00.186619665 [334m22515[00m       0xf93a80 [33;01mWARN   [00m [00m           structure gststructure.c:1935:priv_gst_structure_append_to_gstring:[00m No value transform to serialize field 'gerror' of type 'GError'
    
0:00:00.186613247 [334m22515[00m       0xf93a80 [37mDEBUG  [00m [00;43m             GST_BUS gstbus.c:311:gst_bus_post:<bus1>[00m [msg 0xfc44c0] posting on bus error message: 0xfc44c0, time 99:99:99.999999999, seq-num 59, element 'rtpl16depay0', GstMessageError, gerror=(GError)NULL, debug=(string)"gstrtpL16depay.c\(276\):\ gst_rtp_L16_depay_process\ \(\):\ /GstPipeline:pipeline0/GstRtpL16Depay:rtpl16depay0";
    
0:00:00.186641091 [334m22515[00m       0xf93a80 [37mDEBUG  [00m [00;01m                 bin gstbin.c:3533:gst_bin_handle_message_func:<pipeline0>[00m [msg 0xfc44c0] handling child rtpl16depay0 message of type error
    
0:00:00.186649484 [334m22515[00m       0xf93a80 [37mDEBUG  [00m [00;01m                 bin gstbin.c:3540:gst_bin_handle_message_func:<pipeline0>[00m got ERROR message, unlocking state change
    
0:00:00.186656312 [334m22515[00m       0xf93a80 [37mDEBUG  [00m [00;01m                 bin gstbin.c:3870:gst_bin_handle_message_func:<pipeline0>[00m posting message upward
    
0:00:00.186665962 [334m22515[00m       0xf93a80 [33;01mWARN   [00m [00m           structure gststructure.c:1935:priv_gst_structure_append_to_gstring:[00m No value transform to serialize field 'gerror' of type 'GError'
    
0:00:00.186662657 [334m22515[00m       0xf93a80 [37mDEBUG  [00m [00;43m             GST_BUS gstbus.c:311:gst_bus_post:<bus2>[00m [msg 0xfc44c0] posting on bus error message: 0xfc44c0, time 99:99:99.999999999, seq-num 59, element 'rtpl16depay0', GstMessageError, gerror=(GError)NULL, debug=(string)"gstrtpL16depay.c\(276\):\ gst_rtp_L16_depay_process\ \(\):\ /GstPipeline:pipeline0/GstRtpL16Depay:rtpl16depay0";
    
0:00:00.186688725 [334m22515[00m       0xf93a80 [37mDEBUG  [00m [00;43m             GST_BUS gstbus.c:350:gst_bus_post:<bus2>[00m [msg 0xfc44c0] pushing on async queue
    
0:00:00.186706354 [334m22515[00m       0xf93a80 [37mDEBUG  [00m [00;43m             GST_BUS gstbus.c:353:gst_bus_post:<bus2>[00m [msg 0xfc44c0] pushed on async queue
    
0:00:00.186713847 [334m22515[00m       0xf93a80 [37mDEBUG  [00m [00;43m             GST_BUS gstbus.c:346:gst_bus_post:<bus1>[00m [msg 0xfc44c0] dropped
    
0:00:00.186720541 [334m22515[00m       0xf93a80 [36mINFO   [00m [00;01;31;47m    GST_ERROR_SYSTEM gstelement.c:1902:gst_element_message_full:<rtpl16depay0>[00m posted error message: Channel reordering failed.
    
0:00:00.186729277 [334m22515[00m       0xf93a80 [37mDEBUG  [00m [00;01;34m          GST_MEMORY gstmemory.c:87:_gst_memory_free:[00m free memory 0x7f7780004b80
    
0:00:00.186737518 [334m22515[00m       0xf93a80 [37mDEBUG  [00m [00;01;35m      GST_SCHEDULING gstpad.c:4192:gst_pad_chain_data_unchecked:[00m called chainfunction &amp;0x7f77a1a9ae00 with buffer 0x7f7780016060, returned ok
    
0:00:00.186746868 [334m22515[00m       0xf93a80 [37mDEBUG  [00m [00;01;35m      GST_SCHEDULING gstpad.c:4192:gst_pad_chain_data_unchecked:[00m called chainfunction &amp;gst_base_transform_chain with buffer 0x7f7780016060, returned ok
    
0:00:00.186734973 [334m22515[00m       0xd96a00 [37mDEBUG  [00m [00;43m             GST_BUS gstbus.c:523:gst_bus_timed_pop_filtered:<bus2>[00m got message 0xfc44c0, error from rtpl16depay0, type mask is 4294967295
    
0:00:00.186759208 [334m22515[00m       0xf93a80 [37mDEBUG  [00m [00m             basesrc gstbasesrc.c:2456:gst_base_src_get_range:<udpsrc0>[00m calling create offset 18446744073709551615 length 4096, time 0
    
0:00:00.186808915 [334m22515[00m       0xf93a80 [37mDEBUG  [00m [00;01;34m          GST_MEMORY gstmemory.c:138:gst_memory_init:[00m new memory 0x7f7780017ae0, maxsize:901 offset:0 size:894
    
0:00:00.186812210 [334m22515[00m       0xd96a00 [33;01mWARN   [00m [00m           structure gststructure.c:1935:priv_gst_structure_append_to_gstring:[00m No value transform to serialize field 'gerror' of type 'GError'
    
0:00:00.186798035 [334m22515[00m       0xd96a00 [37mDEBUG  [00m [00;43m             GST_BUS gstbus.c:791:gst_bus_source_dispatch:<bus2>[00m source 0xfc0b60 calling dispatch with error message: 0xfc44c0, time 99:99:99.999999999, seq-num 59, element 'rtpl16depay0', GstMessageError, gerror=(GError)NULL, debug=(string)"gstrtpL16depay.c\(276\):\ gst_rtp_L16_depay_process\ \(\):\ /GstPipeline:pipeline0/GstRtpL16Depay:rtpl16depay0";
    

    

    
0:00:00.187438285 [334m22515[00m       0xf93a80 [33;01mWARN   [00m [00m         rtpL16depay gstrtpL16depay.c:276:gst_rtp_L16_depay_process:<rtpl16depay0>[00m error: Channel reordering failed.
    

    
0:00:00.187861496 [334m22515[00m       0xf93a80 [36mINFO   [00m [00;01;31;47m    GST_ERROR_SYSTEM gstelement.c:1879:gst_element_message_full:<rtpl16depay0>[00m posting message: Channel reordering failed.
    
0:00:00.187870817 [334m22515[00m       0xd96a00 [37mDEBUG  [00m [00;01;31m          GST_STATES gstelement.c:2523:gst_element_set_state_func:<autoaudiosink0>[00m set_state to PAUSED
    
0:00:00.187917831 [334m22515[00m       0xd96a00 [37mDEBUG  [00m [00;01;31m          GST_STATES gstelement.c:2561:gst_element_set_state_func:<autoaudiosink0>[00m current READY, old_pending PAUSED, next PAUSED, old return ASYNC
    
0:00:00.187926145 [334m22515[00m       0xd96a00 [37mDEBUG  [00m [00;01;31m          GST_STATES gstelement.c:2615:gst_element_set_state_func:<autoaudiosink0>[00m element was busy with async state change
    
0:00:00.187931662 [334m22515[00m       0xf93a80 [33;01mWARN   [00m [00m           structure gststructure.c:1935:priv_gst_structure_append_to_gstring:[00m No value transform to serialize field 'gerror' of type 'GError'
    
0:00:00.187932562 [334m22515[00m       0xd96a00 [36mINFO   [00m [00;01;31m          GST_STATES gstbin.c:2770:gst_bin_change_state_func:<pipeline0>[00m child 'autoaudiosink0' is changing state asynchronously to PAUSED
    
0:00:00.187919799 [334m22515[00m       0xf93a80 [37mDEBUG  [00m [00;43m             GST_BUS gstbus.c:311:gst_bus_post:<bus1>[00m [msg 0xfc4540] posting on bus error message: 0xfc4540, time 99:99:99.999999999, seq-num 60, element 'rtpl16depay0', GstMessageError, gerror=(GError)NULL, debug=(string)"gstrtpL16depay.c\(276\):\ gst_rtp_L16_depay_process\ \(\):\ /GstPipeline:pipeline0/GstRtpL16Depay:rtpl16depay0";
    
0:00:00.187957346 [334m22515[00m       0xd96a00 [37mDEBUG  [00m [00;01m                 bin gstbin.c:2182:gst_bin_sort_iterator_next:<pipeline0>[00m queue head gives queue0
    
0:00:00.187965818 [334m22515[00m       0xf93a80 [37mDEBUG  [00m [00;01m                 bin gstbin.c:3533:gst_bin_handle_message_func:<pipeline0>[00m [msg 0xfc4540] handling child rtpl16depay0 message of type error
    
0:00:00.187975510 [334m22515[00m       0xd96a00 [37mDEBUG  [00m [00;01m                 bin gstbin.c:882:find_message:<pipeline0>[00m no message found matching types 00001000
    
0:00:00.187996861 [334m22515[00m       0xd96a00 [37mDEBUG  [00m [00;01m                 bin gstbin.c:889:find_message:<pipeline0>[00m   structure-change
    
0:00:00.188003444 [334m22515[00m       0xd96a00 [37mDEBUG  [00m [00;01m                 bin gstbin.c:2098:update_degree:<pipeline0>[00m change element audioconvert0, degree 1->0, linked to queue0
    
0:00:00.188010702 [334m22515[00m       0xd96a00 [37mDEBUG  [00m [00;01m                 bin gstbin.c:1981:add_to_queue:<pipeline0>[00m adding 'audioconvert0' to queue
    
0:00:00.188019716 [334m22515[00m       0xd96a00 [36mINFO   [00m [00;01;31m          GST_STATES gstbin.c:2316:gst_bin_element_set_state:<queue0>[00m current PLAYING pending VOID_PENDING, desired next PAUSED
    
0:00:00.188021589 [334m22515[00m       0xf93a80 [37mDEBUG  [00m [00;01m                 bin gstbin.c:3540:gst_bin_handle_message_func:<pipeline0>[00m got ERROR message, unlocking state change
    

    
0:00:00.188204142 [334m22515[00m       0xf93a80 [33;01mWARN   [00m [00m           structure gststructure.c:1935:priv_gst_structure_append_to_gstring:[00m No value transform to serialize field 'gerror' of type 'GError'
    

    
0:00:00.188196343 [334m22515[00m       0xf93a80 [37mDEBUG  [00m [00;43m             GST_BUS gstbus.c:311:gst_bus_post:<bus2>[00m [msg 0xfc4540] posting on bus error message: 0xfc4540, time 99:99:99.999999999, seq-num 60, element 'rtpl16depay0', GstMessageError, gerror=(GError)NULL, debug=(string)"gstrtpL16depay.c\(276\):\ gst_rtp_L16_depay_process\ \(\):\ /GstPipeline:pipeline0/GstRtpL16Depay:rtpl16depay0";
    

    
0:00:00.188532703 [334m22515[00m       0xf93a80 [36mINFO   [00m [00;01;31;47m    GST_ERROR_SYSTEM gstelement.c:1902:gst_element_message_full:<rtpl16depay0>[00m posted error message: Channel reordering failed.
    

    
0:00:00.199466751 [334m22515[00m       0xd96a00 [37mDEBUG  [00m [00;43m             GST_BUS gstbus.c:523:gst_bus_timed_pop_filtered:<bus2>[00m got message 0xfc4540, error from rtpl16depay0, type mask is 4294967295
    

    
0:00:00.203389413 [334m22515[00m       0xd96a00 [37mDEBUG  [00m [00;01;36m  GST_PLUGIN_LOADING gstpluginfeature.c:66:gst_plugin_feature_finalize:[00m finalizing feature 0xf69ea0: 'errorignore'
    
</bus2></rtpl16depay0></bus2></pipeline0></queue0></pipeline0></pipeline0></pipeline0></pipeline0></pipeline0></pipeline0></bus1></pipeline0></autoaudiosink0></autoaudiosink0></autoaudiosink0></rtpl16depay0></rtpl16depay0></bus2></udpsrc0></bus2></rtpl16depay0></bus1></bus2></bus2></bus2></pipeline0></pipeline0></pipeline0></bus1></rtpl16depay0></rtpl16depay0></rtpl16depay0></plugin223></plugin223></plugin223></plugin223></plugin223></plugin223></plugin223></plugin223></plugin106>

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