使用ubuntu、python和gstreamer抓取rtsp流时出现分段错误，导致无法查看rtsp流。使用 python 应用程序会导致 rtspsrc 出现分段错误，但使用 gst-launch 从终端运行 rtspsrc 是可行的。
在Python管道中将“rtspsrc”更改为testsrc，Python应用程序将按预期运行。在不同的硬件上使用 wsl/ubuntu 进行测试，python 应用程序运行正常。软件accel是配合wsl使用的，但是ubuntu需要运行在硬件accel上。
我的猜测是硬件驱动程序和在ubuntu机器上调用python程序之间存在一些驱动程序问题。我尝试过全新安装 ubuntu 22.04、ubuntu 服务器和 debian 11。所有结果都会导致分段错误。
在 WSL 上我仅运行 softwareaccel，但在 ubuntu 上我使用第 9 代 i7 运行 va-api。
使用 i965 驱动程序，因为它在使用 gst-launch 进行测试时给出了最佳结果。 通过编辑 bashrc 来选择驱动程序：
export LIBVA_DRIVER_NAME=i965
export LIBVA_DRIVERS_PATH=/usr/lib/x86_64-linux-gnu/dri
Gstreamer 安装有：
apt-get install libgstreamer1.0-dev libgstreamer-plugins-base1.0-dev libgstreamer-plugins-bad1.0-dev gstreamer1.0-plugins-base gstreamer1.0-plugins-good gstreamer1.0-plugins-bad gstreamer1.0-plugins-ugly gstreamer1.0-libav gstreamer1.0-tools gstreamer1.0-x gstreamer1.0-alsa gstreamer1.0-gl gstreamer1.0-gtk3 gstreamer1.0-qt5 gstreamer1.0-pulseaudio gstreamer1.0-vaapi
使用ubuntu-server，使用xorg和openbox来查看python应用程序。并且在pipeline中使用testsrc，查看成功。
Python 版本是 3.10（此 ubuntu 版本默认），已尝试过 3.8.17，但这导致了其他问题。
她是信息日志：
0:00:00.000072395 4020 0x55e10835cd60 INFO GST_INIT gst.c:592:init_pre: Initializing GStreamer Core Library version 1.20.3
0:00:00.000137957 4020 0x55e10835cd60 INFO GST_INIT gst.c:593:init_pre: Using library installed in /usr/lib/x86_64-linux-gnu
0:00:00.000169079 4020 0x55e10835cd60 INFO GST_INIT gst.c:611:init_pre: Linux trd-lab 5.15.0-76-generic #83-Ubuntu SMP Thu Jun 15 19:16:32 UTC 2023 x86_64
0:00:00.000412160 4020 0x55e10835cd60 INFO GST_INIT gstmessage.c:129:_priv_gst_message_initialize: init messages
0:00:00.000596636 4020 0x55e10835cd60 INFO GST_INIT gstcontext.c:86:_priv_gst_context_initialize: init contexts
0:00:00.000782196 4020 0x55e10835cd60 INFO GST_PLUGIN_LOADING gstplugin.c:324:_priv_gst_plugin_initialize: registering 0 static plugins
0:00:00.000917477 4020 0x55e10835cd60 INFO GST_PLUGIN_LOADING gstplugin.c:232:gst_plugin_register_static: registered static plugin "staticelements"
0:00:00.000983365 4020 0x55e10835cd60 INFO GST_PLUGIN_LOADING gstplugin.c:234:gst_plugin_register_static: added static plugin "staticelements", result: 1
0:00:00.001037838 4020 0x55e10835cd60 INFO GST_REGISTRY gstregistry.c:1827:ensure_current_registry: reading registry cache: /home/trd-lab/.cache/gstreamer-1.0/registry.x86_64.bin
0:00:00.023222563 4020 0x55e10835cd60 INFO GST_REGISTRY gstregistrybinary.c:683:priv_gst_registry_binary_read_cache: loaded /home/trd-lab/.cache/gstreamer-1.0/registry.x86_64.bin in 0.022142 seconds
0:00:00.023331369 4020 0x55e10835cd60 INFO GST_REGISTRY gstregistry.c:1693:scan_and_update_registry: Validating plugins from registry cache: /home/trd-lab/.cache/gstreamer-1.0/registry.x86_64.bin
0:00:00.023725663 4020 0x55e10835cd60 INFO GST_PLUGIN_LOADING gstplugin.c:1609:gst_plugin_ext_dep_extract_env_vars_paths:<plugin258> ignoring environment variable content 'i965': either not an absolute path or not a path at all
0:00:00.024335432 4020 0x55e10835cd60 INFO GST_PLUGIN_LOADING gstplugin.c:1609:gst_plugin_ext_dep_extract_env_vars_paths:<plugin259> ignoring environment variable content 'i965': either not an absolute path or not a path at all
0:00:00.024372573 4020 0x55e10835cd60 INFO GST_PLUGIN_LOADING gstplugin.c:1609:gst_plugin_ext_dep_extract_env_vars_paths:<plugin259> ignoring environment variable content '': either not an absolute path or not a path at all
0:00:00.024390041 4020 0x55e10835cd60 INFO GST_PLUGIN_LOADING gstplugin.c:1609:gst_plugin_ext_dep_extract_env_vars_paths:<plugin259> ignoring environment variable content '0': either not an absolute path or not a path at all
0:00:00.024917811 4020 0x55e10835cd60 INFO GST_PLUGIN_LOADING gstplugin.c:1609:gst_plugin_ext_dep_extract_env_vars_paths:<plugin260> ignoring environment variable content 'i965': either not an absolute path or not a path at all
0:00:00.025929544 4020 0x55e10835cd60 INFO GST_REGISTRY gstregistry.c:1785:scan_and_update_registry: Registry cache has not changed
0:00:00.025959932 4020 0x55e10835cd60 INFO GST_REGISTRY gstregistry.c:1862:ensure_current_registry: registry reading and updating done, result = 1
0:00:00.025976234 4020 0x55e10835cd60 INFO GST_INIT gst.c:833:init_post: GLib runtime version: 2.72.4
0:00:00.025990409 4020 0x55e10835cd60 INFO GST_INIT gst.c:835:init_post: GLib headers version: 2.72.1
0:00:00.026001625 4020 0x55e10835cd60 INFO GST_INIT gst.c:837:init_post: initialized GStreamer successfully
0:00:00.031446448 4020 0x55e10835cd60 INFO GST_PIPELINE gstparse.c:344:gst_parse_launch_full: parsing pipeline description 'rtspsrc location=rtsp://admin:[email protected]:554 ! decodebin ! videoconvert ! video/x-raw,format=BGR ! queue max-size-time=0 ! appsink name=sink sync=false'
0:00:00.035505134 4020 0x55e10835cd60 INFO GST_PLUGIN_LOADING gstplugin.c:987:_priv_gst_plugin_load_file_for_registry: plugin "/usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstrtsp.so" loaded
0:00:00.035547932 4020 0x55e10835cd60 INFO GST_ELEMENT_FACTORY gstelementfactory.c:489:gst_element_factory_create_with_properties: creating element "rtspsrc"
0:00:00.036989619 4020 0x55e10835cd60 INFO GST_PLUGIN_LOADING gstplugin.c:987:_priv_gst_plugin_load_file_for_registry: plugin "/usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstrealmedia.so" loaded
0:00:00.037025275 4020 0x55e10835cd60 INFO GST_ELEMENT_FACTORY gstelementfactory.c:489:gst_element_factory_create_with_properties: creating element "rtspreal"
0:00:00.038231949 4020 0x55e10835cd60 INFO GST_PLUGIN_LOADING gstplugin.c:987:_priv_gst_plugin_load_file_for_registry: plugin "/usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstasf.so" loaded
0:00:00.038266161 4020 0x55e10835cd60 INFO GST_ELEMENT_FACTORY gstelementfactory.c:489:gst_element_factory_create_with_properties: creating element "rtspwms"
0:00:00.039317883 4020 0x55e10835cd60 INFO GST_PLUGIN_LOADING gstplugin.c:987:_priv_gst_plugin_load_file_for_registry: plugin "/usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstplayback.so" loaded
0:00:00.039362963 4020 0x55e10835cd60 INFO GST_ELEMENT_FACTORY gstelementfactory.c:489:gst_element_factory_create_with_properties: creating element "decodebin"
0:00:00.040326337 4020 0x55e10835cd60 INFO GST_PLUGIN_LOADING gstplugin.c:987:_priv_gst_plugin_load_file_for_registry: plugin "/usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstcoreelements.so" loaded
0:00:00.040413330 4020 0x55e10835cd60 INFO GST_ELEMENT_FACTORY gstelementfactory.c:489:gst_element_factory_create_with_properties: creating element "typefind"
0:00:00.040496925 4020 0x55e10835cd60 INFO GST_ELEMENT_PADS gstelement.c:759:gst_element_add_pad:<GstTypeFindElement@0x7fd9b8277200> adding pad 'sink'
0:00:00.040551395 4020 0x55e10835cd60 INFO GST_ELEMENT_PADS gstelement.c:759:gst_element_add_pad:<GstTypeFindElement@0x7fd9b8277200> adding pad 'src'
0:00:00.040620028 4020 0x55e10835cd60 INFO GST_ELEMENT_PADS gstelement.c:1016:gst_element_get_static_pad: found pad typefind:sink
0:00:00.040706104 4020 0x55e10835cd60 INFO GST_PADS gstpad.c:2382:gst_pad_link_prepare: trying to link sink:proxypad0 and typefind:sink
0:00:00.040732918 4020 0x55e10835cd60 INFO GST_PADS gstpad.c:2590:gst_pad_link_full: linked sink:proxypad0 and typefind:sink, successful
0:00:00.040747625 4020 0x55e10835cd60 INFO GST_EVENT gstevent.c:1660:gst_event_new_reconfigure: creating reconfigure event
0:00:00.040793763 4020 0x55e10835cd60 INFO GST_ELEMENT_PADS gstelement.c:759:gst_element_add_pad:<GstDecodeBin@0x7fd9b8280110> adding pad 'sink'
0:00:00.041360023 4020 0x55e10835cd60 INFO GST_PLUGIN_LOADING gstplugin.c:987:_priv_gst_plugin_load_file_for_registry: plugin "/usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstvideoconvert.so" loaded
0:00:00.041392494 4020 0x55e10835cd60 INFO GST_ELEMENT_FACTORY gstelementfactory.c:489:gst_element_factory_create_with_properties: creating element "videoconvert"
0:00:00.041796455 4020 0x55e10835cd60 INFO GST_ELEMENT_PADS gstelement.c:759:gst_element_add_pad:<GstBaseTransform@0x7fd9b82982d0> adding pad 'sink'
0:00:00.041849087 4020 0x55e10835cd60 INFO GST_ELEMENT_PADS gstelement.c:759:gst_element_add_pad:<GstBaseTransform@0x7fd9b82982d0> adding pad 'src'
0:00:00.041896458 4020 0x55e10835cd60 INFO GST_ELEMENT_FACTORY gstelementfactory.c:489:gst_element_factory_create_with_properties: creating element "queue"
0:00:00.042033002 4020 0x55e10835cd60 INFO GST_ELEMENT_PADS gstelement.c:759:gst_element_add_pad:<GstQueue@0x7fd9b829a150> adding pad 'sink'
0:00:00.042071561 4020 0x55e10835cd60 INFO GST_ELEMENT_PADS gstelement.c:759:gst_element_add_pad:<GstQueue@0x7fd9b829a150> adding pad 'src'
0:00:00.042844604 4020 0x55e10835cd60 INFO GST_PLUGIN_LOADING gstplugin.c:987:_priv_gst_plugin_load_file_for_registry: plugin "/usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstapp.so" loaded
0:00:00.042890017 4020 0x55e10835cd60 INFO GST_ELEMENT_FACTORY gstelementfactory.c:489:gst_element_factory_create_with_properties: creating element "appsink"
0:00:00.043050929 4020 0x55e10835cd60 INFO GST_ELEMENT_PADS gstelement.c:759:gst_element_add_pad:<GstBaseSink@0x7fd9b82a1100> adding pad 'sink'
0:00:00.043116416 4020 0x55e10835cd60 INFO GST_ELEMENT_FACTORY gstelementfactory.c:489:gst_element_factory_create_with_properties: creating element "pipeline"
0:00:00.043232351 4020 0x55e10835cd60 INFO GST_PIPELINE gst/parse/grammar.y:683:gst_parse_perform_link: linking some pad of GstDecodeBin named decodebin0 to some pad of GstVideoConvert named videoconvert0 (0/0) with caps "(NULL)"
0:00:00.043275713 4020 0x55e10835cd60 INFO GST_ELEMENT_PADS gstutils.c:1816:gst_element_link_pads_full: trying to link element decodebin0:(any) to element videoconvert0:(any)
0:00:00.043308967 4020 0x55e10835cd60 INFO GST_PADS gstpad.c:4357:gst_pad_peer_query:<videoconvert0:src> pad has no peer
0:00:00.043642633 4020 0x55e10835cd60 INFO GST_ELEMENT_PADS gstelement.c:1013:gst_element_get_static_pad: no such pad 'src_%u' in element "decodebin0"
0:00:00.043699326 4020 0x55e10835cd60 INFO GST_ELEMENT_PADS gstutils.c:1270:gst_element_get_compatible_pad:<decodebin0> Could not find a compatible pad to link to videoconvert0:sink
0:00:00.043727106 4020 0x55e10835cd60 INFO default gstutils.c:2206:gst_element_link_pads_filtered: Could not link pads: decodebin0:(null) - videoconvert0:(null)
0:00:00.043779482 4020 0x55e10835cd60 INFO GST_PIPELINE gst/parse/grammar.y:683:gst_parse_perform_link: linking some pad of GstVideoConvert named videoconvert0 to some pad of GstQueue named queue0 (0/0) with caps "video/x-raw, format=(string)BGR"
0:00:00.043818101 4020 0x55e10835cd60 INFO GST_ELEMENT_FACTORY gstelementfactory.c:489:gst_element_factory_create_with_properties: creating element "capsfilter"
0:00:00.043946492 4020 0x55e10835cd60 INFO GST_ELEMENT_PADS gstelement.c:759:gst_element_add_pad:<GstBaseTransform@0x7fd9b82aa1e0> adding pad 'sink'
0:00:00.043987991 4020 0x55e10835cd60 INFO GST_ELEMENT_PADS gstelement.c:759:gst_element_add_pad:<GstBaseTransform@0x7fd9b82aa1e0> adding pad 'src'
0:00:00.044012028 4020 0x55e10835cd60 INFO GST_STATES gstbin.c:2069:gst_bin_get_state_func:<pipeline0> getting state
0:00:00.044046396 4020 0x55e10835cd60 INFO GST_STATES gstelement.c:2806:gst_element_continue_state:<capsfilter0> completed state change to NULL
0:00:00.044084246 4020 0x55e10835cd60 INFO GST_EVENT gstevent.c:1660:gst_event_new_reconfigure: creating reconfigure event
0:00:00.044112794 4020 0x55e10835cd60 INFO GST_ELEMENT_PADS gstutils.c:1816:gst_element_link_pads_full: trying to link element videoconvert0:(any) to element capsfilter0:sink
0:00:00.044135442 4020 0x55e10835cd60 INFO GST_ELEMENT_PADS gstelement.c:1016:gst_element_get_static_pad: found pad capsfilter0:sink
0:00:00.044153994 4020 0x55e10835cd60 INFO GST_PADS gstutils.c:1632:prepare_link_maybe_ghosting: videoconvert0 and capsfilter0 in same bin, no need for ghost pads
0:00:00.044183448 4020 0x55e10835cd60 INFO GST_PADS gstpad.c:2382:gst_pad_link_prepare: trying to link videoconvert0:src and capsfilter0:sink
0:00:00.044209574 4020 0x55e10835cd60 INFO GST_PADS gstpad.c:4357:gst_pad_peer_query:<videoconvert0:sink> pad has no peer
0:00:00.044498858 4020 0x55e10835cd60 INFO GST_PADS gstpad.c:4357:gst_pad_peer_query:<capsfilter0:src> pad has no peer
0:00:00.044558068 4020 0x55e10835cd60 INFO GST_PADS gstpad.c:2590:gst_pad_link_full: linked videoconvert0:src and capsfilter0:sink, successful
0:00:00.044582423 4020 0x55e10835cd60 INFO GST_EVENT gstevent.c:1660:gst_event_new_reconfigure: creating reconfigure event
0:00:00.044598167 4020 0x55e10835cd60 INFO GST_EVENT gstpad.c:5946:gst_pad_send_event_unchecked:<videoconvert0:src> Received event on flushing pad. Discarding
0:00:00.044647131 4020 0x55e10835cd60 INFO GST_ELEMENT_PADS gstutils.c:1816:gst_element_link_pads_full: trying to link element capsfilter0:src to element queue0:(any)
0:00:00.044675414 4020 0x55e10835cd60 INFO GST_ELEMENT_PADS gstelement.c:1016:gst_element_get_static_pad: found pad capsfilter0:src
0:00:00.044700377 4020 0x55e10835cd60 INFO GST_PADS gstutils.c:1079:gst_pad_check_link: trying to link capsfilter0:src and queue0:sink
0:00:00.044722438 4020 0x55e10835cd60 INFO GST_PADS gstpad.c:4357:gst_pad_peer_query:<videoconvert0:sink> pad has no peer
0:00:00.044982180 4020 0x55e10835cd60 INFO GST_PADS gstpad.c:4357:gst_pad_peer_query:<queue0:src> pad has no peer
0:00:00.045023633 4020 0x55e10835cd60 INFO GST_PADS gstutils.c:1632:prepare_link_maybe_ghosting: capsfilter0 and queue0 in same bin, no need for ghost pads
0:00:00.045047652 4020 0x55e10835cd60 INFO GST_PADS gstpad.c:2382:gst_pad_link_prepare: trying to link capsfilter0:src and queue0:sink
0:00:00.045137987 4020 0x55e10835cd60 INFO GST_PADS gstpad.c:4357:gst_pad_peer_query:<videoconvert0:sink> pad has no peer
0:00:00.045395433 4020 0x55e10835cd60 INFO GST_PADS gstpad.c:4357:gst_pad_peer_query:<queue0:src> pad has no peer
0:00:00.045433701 4020 0x55e10835cd60 INFO GST_PADS gstpad.c:2590:gst_pad_link_full: linked capsfilter0:src and queue0:sink, successful
0:00:00.045448492 4020 0x55e10835cd60 INFO GST_EVENT gstevent.c:1660:gst_event_new_reconfigure: creating reconfigure event
0:00:00.045467983 4020 0x55e10835cd60 INFO GST_EVENT gstpad.c:5946:gst_pad_send_event_unchecked:<capsfilter0:src> Received event on flushing pad. Discarding
0:00:00.045503445 4020 0x55e10835cd60 INFO GST_PIPELINE gst/parse/grammar.y:683:gst_parse_perform_link: linking some pad of GstQueue named queue0 to some pad of GstAppSink named sink (0/0) with caps "(NULL)"
0:00:00.045534923 4020 0x55e10835cd60 INFO GST_ELEMENT_PADS gstutils.c:1816:gst_element_link_pads_full: trying to link element queue0:(any) to element sink:(any)
0:00:00.045563731 4020 0x55e10835cd60 INFO GST_PADS gstutils.c:1079:gst_pad_check_link: trying to link queue0:src and sink:sink
0:00:00.045585121 4020 0x55e10835cd60 INFO GST_PADS gstpad.c:4357:gst_pad_peer_query:<videoconvert0:sink> pad has no peer
0:00:00.045867653 4020 0x55e10835cd60 INFO GST_PADS gstutils.c:1632:prepare_link_maybe_ghosting: queue0 and sink in same bin, no need for ghost pads
0:00:00.045912558 4020 0x55e10835cd60 INFO GST_PADS gstpad.c:2382:gst_pad_link_prepare: trying to link queue0:src and sink:sink
0:00:00.045935247 4020 0x55e10835cd60 INFO GST_PADS gstpad.c:4357:gst_pad_peer_query:<videoconvert0:sink> pad has no peer
0:00:00.046203279 4020 0x55e10835cd60 INFO GST_PADS gstpad.c:2590:gst_pad_link_full: linked queue0:src and sink:sink, successful
0:00:00.046234223 4020 0x55e10835cd60 INFO GST_EVENT gstevent.c:1660:gst_event_new_reconfigure: creating reconfigure event
0:00:00.046250500 4020 0x55e10835cd60 INFO GST_EVENT gstpad.c:5946:gst_pad_send_event_unchecked:<queue0:src> Received event on flushing pad. Discarding
0:00:00.049251152 4020 0x55e10835cd60 INFO GST_PARENTAGE gstbin.c:4377:gst_bin_get_by_name: [pipeline0]: looking up child element sink
0:00:00.050487825 4020 0x55e10835cd60 INFO GST_STATES gstbin.c:2479:gst_bin_element_set_state:<sink> current NULL pending VOID_PENDING, desired next READY
0:00:00.050526840 4020 0x55e10835cd60 INFO GST_STATES gstelement.c:2806:gst_element_continue_state:<sink> completed state change to READY
0:00:00.050546364 4020 0x55e10835cd60 INFO GST_STATES gstelement.c:2706:_priv_gst_element_state_changed:<sink> notifying about state-changed NULL to READY (VOID_PENDING pending)
0:00:00.050585098 4020 0x55e10835cd60 INFO GST_STATES gstbin.c:2928:gst_bin_change_state_func:<pipeline0> child 'sink' changed state to 2(READY) successfully
0:00:00.050613782 4020 0x55e10835cd60 INFO GST_STATES gstbin.c:2479:gst_bin_element_set_state:<queue0> current NULL pending VOID_PENDING, desired next READY
0:00:00.050637279 4020 0x55e10835cd60 INFO GST_STATES gstelement.c:2806:gst_element_continue_state:<queue0> completed state change to READY
0:00:00.050654976 4020 0x55e10835cd60 INFO GST_STATES gstelement.c:2706:_priv_gst_element_state_changed:<queue0> notifying about state-changed NULL to READY (VOID_PENDING pending)
0:00:00.050685421 4020 0x55e10835cd60 INFO GST_STATES gstbin.c:2928:gst_bin_change_state_func:<pipeline0> child 'queue0' changed state to 2(READY) successfully
0:00:00.050717996 4020 0x55e10835cd60 INFO GST_STATES gstbin.c:2479:gst_bin_element_set_state:<capsfilter0> current NULL pending VOID_PENDING, desired next READY
0:00:00.050738271 4020 0x55e10835cd60 INFO GST_STATES gstelement.c:2806:gst_element_continue_state:<capsfilter0> completed state change to READY
0:00:00.050759534 4020 0x55e10835cd60 INFO GST_STATES gstelement.c:2706:_priv_gst_element_state_changed:<capsfilter0> notifying about state-changed NULL to READY (VOID_PENDING pending)
0:00:00.050782771 4020 0x55e10835cd60 INFO GST_STATES gstbin.c:2928:gst_bin_change_state_func:<pipeline0> child 'capsfilter0' changed state to 2(READY) successfully
0:00:00.050806604 4020 0x55e10835cd60 INFO GST_STATES gstbin.c:2479:gst_bin_element_set_state:<videoconvert0> current NULL pending VOID_PENDING, desired next READY
0:00:00.050823603 4020 0x55e10835cd60 INFO GST_STATES gstelement.c:2806:gst_element_continue_state:<videoconvert0> completed state change to READY
0:00:00.050838897 4020 0x55e10835cd60 INFO GST_STATES gstelement.c:2706:_priv_gst_element_state_changed:<videoconvert0> notifying about state-changed NULL to READY (VOID_PENDING pending)
0:00:00.050861696 4020 0x55e10835cd60 INFO GST_STATES gstbin.c:2928:gst_bin_change_state_func:<pipeline0> child 'videoconvert0' changed state to 2(READY) successfully
0:00:00.050880887 4020 0x55e10835cd60 INFO GST_STATES gstbin.c:2479:gst_bin_element_set_state:<decodebin0> current NULL pending VOID_PENDING, desired next READY
0:00:00.050917815 4020 0x55e10835cd60 INFO GST_STATES gstbin.c:2479:gst_bin_element_set_state:<typefind> current NULL pending VOID_PENDING, desired next READY
0:00:00.050942266 4020 0x55e10835cd60 INFO GST_STATES gstelement.c:2806:gst_element_continue_state:<typefind> completed state change to READY
0:00:00.050957651 4020 0x55e10835cd60 INFO GST_STATES gstelement.c:2706:_priv_gst_element_state_changed:<typefind> notifying about state-changed NULL to READY (VOID_PENDING pending)
0:00:00.050979669 4020 0x55e10835cd60 INFO GST_STATES gstbin.c:2928:gst_bin_change_state_func:<decodebin0> child 'typefind' changed state to 2(READY) successfully
0:00:00.051000703 4020 0x55e10835cd60 INFO GST_STATES gstelement.c:2806:gst_element_continue_state:<decodebin0> completed state change to READY
0:00:00.051018876 4020 0x55e10835cd60 INFO GST_STATES gstelement.c:2706:_priv_gst_element_state_changed:<decodebin0> notifying about state-changed NULL to READY (VOID_PENDING pending)
0:00:00.051045533 4020 0x55e10835cd60 INFO GST_STATES gstbin.c:2928:gst_bin_change_state_func:<pipeline0> child 'decodebin0' changed state to 2(READY) successfully
0:00:00.051069788 4020 0x55e10835cd60 INFO GST_STATES gstbin.c:2479:gst_bin_element_set_state:<rtspsrc0> current NULL pending VOID_PENDING, desired next READY
0:00:00.051119799 4020 0x55e10835cd60 INFO task gsttask.c:516:gst_task_set_lock: setting stream lock 0x7fd9b82749a8 on task 0x7fd9b8289170
0:00:00.051146928 4020 0x55e10835cd60 INFO GST_STATES gstelement.c:2806:gst_element_continue_state:<rtspsrc0> completed state change to READY
0:00:00.051163604 4020 0x55e10835cd60 INFO GST_STATES gstelement.c:2706:_priv_gst_element_state_changed:<rtspsrc0> notifying about state-changed NULL to READY (VOID_PENDING pending)
0:00:00.051250387 4020 0x55e10835cd60 INFO GST_STATES gstbin.c:2928:gst_bin_change_state_func:<pipeline0> child 'rtspsrc0' changed state to 2(READY) successfully
0:00:00.051303535 4020 0x55e10835cd60 INFO GST_STATES gstelement.c:2778:gst_element_continue_state:<pipeline0> committing state from NULL to READY, pending PLAYING, next PAUSED
0:00:00.051327448 4020 0x55e10835cd60 INFO GST_STATES gstelement.c:2706:_priv_gst_element_state_changed:<pipeline0> notifying about state-changed NULL to READY (PLAYING pending)
0:00:00.051349063 4020 0x55e10835cd60 INFO GST_STATES gstelement.c:2786:gst_element_continue_state:<pipeline0> continue state change READY to PAUSED, final PLAYING
0:00:00.051382586 4020 0x55e10835cd60 INFO GST_STATES gstbin.c:2479:gst_bin_element_set_state:<sink> current READY pending VOID_PENDING, desired next PAUSED
0:00:00.051417338 4020 0x55e10835cd60 INFO GST_STATES gstbin.c:2935:gst_bin_change_state_func:<pipeline0> child 'sink' is changing state asynchronously to PAUSED
0:00:00.051459914 4020 0x55e10835cd60 INFO GST_STATES gstbin.c:2479:gst_bin_element_set_state:<queue0> current READY pending VOID_PENDING, desired next PAUSED
0:00:00.051491613 4020 0x55e10835cd60 INFO task gsttask.c:516:gst_task_set_lock: setting stream lock 0x7fd9b8286de0 on task 0x7fd9b8289290
0:00:00.051514700 4020 0x55e10835cd60 INFO GST_PADS gstpad.c:6291:gst_pad_start_task:<queue0:src> created task 0x7fd9b8289290
0:00:00.051624433 4020 0x55e10835cd60 INFO GST_STATES gstelement.c:2806:gst_element_continue_state:<queue0> completed state change to PAUSED
0:00:00.051652490 4020 0x55e10835cd60 INFO GST_STATES gstelement.c:2706:_priv_gst_element_state_changed:<queue0> notifying about state-changed READY to PAUSED (VOID_PENDING pending)
0:00:00.051681563 4020 0x55e10835cd60 INFO GST_STATES gstbin.c:2928:gst_bin_change_state_func:<pipeline0> child 'queue0' changed state to 3(PAUSED) successfully
0:00:00.051709033 4020 0x55e10835cd60 INFO GST_STATES gstbin.c:2479:gst_bin_element_set_state:<capsfilter0> current READY pending VOID_PENDING, desired next PAUSED
0:00:00.051787820 4020 0x55e10835cd60 INFO GST_STATES gstelement.c:2806:gst_element_continue_state:<capsfilter0> completed state change to PAUSED
0:00:00.051812036 4020 0x55e10835cd60 INFO GST_STATES gstelement.c:2706:_priv_gst_element_state_changed:<capsfilter0> notifying about state-changed READY to PAUSED (VOID_PENDING pending)
0:00:00.051837549 4020 0x55e10835cd60 INFO GST_STATES gstbin.c:2928:gst_bin_change_state_func:<pipeline0> child 'capsfilter0' changed state to 3(PAUSED) successfully
0:00:00.051862610 4020 0x55e10835cd60 INFO GST_STATES gstbin.c:2479:gst_bin_element_set_state:<videoconvert0> current READY pending VOID_PENDING, desired next PAUSED
0:00:00.051904986 4020 0x55e10835cd60 INFO GST_STATES gstelement.c:2806:gst_element_continue_state:<videoconvert0> completed state change to PAUSED
0:00:00.051935627 4020 0x55e10835cd60 INFO GST_STATES gstelement.c:2706:_priv_gst_element_state_changed:<videoconvert0> notifying about state-changed READY to PAUSED (VOID_PENDING pending)
0:00:00.051963621 4020 0x55e10835cd60 INFO GST_STATES gstbin.c:2928:gst_bin_change_state_func:<pipeline0> child 'videoconvert0' changed state to 3(PAUSED) successfully
0:00:00.051990544 4020 0x55e10835cd60 INFO GST_STATES gstbin.c:2479:gst_bin_element_set_state:<decodebin0> current READY pending VOID_PENDING, desired next PAUSED
0:00:00.052057274 4020 0x55e10835cd60 INFO GST_STATES gstbin.c:2479:gst_bin_element_set_state:<typefind> current READY pending VOID_PENDING, desired next PAUSED
0:00:00.052094913 4020 0x55e10835cd60 INFO GST_PADS gstpad.c:4357:gst_pad_peer_query:<decodebin0:sink> pad has no peer
0:00:00.052141093 4020 0x55e10835cd60 INFO GST_STATES gstelement.c:2806:gst_element_continue_state:<typefind> completed state change to PAUSED
0:00:00.052166744 4020 0x55e10835cd60 INFO GST_STATES gstelement.c:2706:_priv_gst_element_state_changed:<typefind> notifying about state-changed READY to PAUSED (VOID_PENDING pending)
0:00:00.052202665 4020 0x55e10835cd60 INFO GST_STATES gstbin.c:2928:gst_bin_change_state_func:<decodebin0> child 'typefind' changed state to 3(PAUSED) successfully
0:00:00.052235005 4020 0x55e10835cd60 INFO GST_STATES gstbin.c:2935:gst_bin_change_state_func:<pipeline0> child 'decodebin0' is changing state asynchronously to PAUSED
0:00:00.052286404 4020 0x55e10835cd60 INFO GST_STATES gstbin.c:2479:gst_bin_element_set_state:<rtspsrc0> current READY pending VOID_PENDING, desired next PAUSED
0:00:00.052377606 4020 0x55e10835cd60 INFO GST_STATES gstelement.c:2806:gst_element_continue_state:<rtspsrc0> completed state change to PAUSED
0:00:00.052403265 4020 0x55e10835cd60 INFO GST_STATES gstelement.c:2706:_priv_gst_element_state_changed:<rtspsrc0> notifying about state-changed READY to PAUSED (VOID_PENDING pending)
0:00:00.052451368 4020 0x55e10835cd60 INFO GST_STATES gstbin.c:2971:gst_bin_change_state_func:<pipeline0> child 'rtspsrc0' changed state to 3(PAUSED) successfully without preroll
0:00:00.052544729 4020 0x55e10835cd60 INFO pipeline gstpipeline.c:533:gst_pipeline_change_state:<pipeline0> pipeline is live
(... could not succeed 30k characters and had to remove some..)
0:00:00.053293818 4020 0x55e10835cd60 INFO GST_STATES gstelement.c:2806:gst_element_continue_state:<videoconvert0> completed state change to PLAYING
0:00:00.053345812 4020 0x55e10835cd60 INFO GST_STATES gstelement.c:2706:_priv_gst_element_state_changed:<videoconvert0> notifying about state-changed PAUSED to PLAYING (VOID_PENDING pending)
0:00:00.053378590 4020 0x55e10835cd60 INFO GST_STATES gstbin.c:2928:gst_bin_change_state_func:<pipeline0> child 'videoconvert0' changed state to 4(PLAYING) successfully
0:00:00.053634551 4020 0x55e10835cd60 INFO GST_STATES gstbin.c:2479:gst_bin_element_set_state:<decodebin0> current READY pending PAUSED, desired next PLAYING
0:00:00.053663779 4020 0x55e10835cd60 INFO GST_STATES gstbin.c:2935:gst_bin_change_state_func:<pipeline0> child 'decodebin0' is changing state asynchronously to PLAYING
0:00:00.053700351 4020 0x55e10835cd60 INFO GST_STATES gstelement.c:2806:gst_element_continue_state:<rtspsrc0> completed state change to PLAYING
0:00:00.053717369 4020 0x55e10835cd60 INFO GST_STATES gstelement.c:2706:_priv_gst_element_state_changed:<rtspsrc0> notifying about state-changed PAUSED to PLAYING (VOID_PENDING pending)
0:00:00.053744787 4020 0x55e10835cd60 INFO GST_STATES gstbin.c:2928:gst_bin_change_state_func:<pipeline0> child 'rtspsrc0' changed state to 4(PLAYING) successfully
Segmentation fault (core dumped)
Rtspsrc 需要动态 pad 处理，命令行应用程序会自动执行此操作，但 python 不会。 Rtspsrc pads 在运行时创建，这意味着它们需要在运行时链接。这通常通过“pad-added”信号的
on_pad_added()# Connect dynamic pads to rtph264, otherwise will get not linked error
rtspsrc.connect("pad-added", self.on_pad_added, rtph264depay)
还有
on_pad_added()def on_pad_added(self, src: Gst.Element, pad: Gst.Pad, target: Gst.Element):
"""Callback function to connect the dynamic pads of the elements"""
sink_pad: Gst.Pad = self.get_static_pad(target, "sink")
if not sink_pad.is_linked():
pad.link(sink_pad)
logger.info(f"Linked {src.name} to {target.name}")
通过确保 gstreamer 是第一个被调用的库，问题自行解决。不知道为什么，但它有效。 在 ubuntu、ubuntu 服务器和 debian 上进行了测试。使用 WSL，库的顺序并不重要。
import gi
gi.require_version('Gst', '1.0')
gi.require_version("GstApp","1.0")
from gi.repository import Gst, GLib, GstApp
_ = GstApp
from collections import deque
...