238952 2022-04-07 12:08:07 -0700 [GStreamer] Some youtube videos are not playing 2022-12-21 05:31:28 -0800 1 1 1 Unclassified WebKit Media WebKit Local Build PC Linux RESOLVED FIXED https://bugs.webkit.org/show_bug.cgi?id=238991 P2 Major --- 1 mad_fer_it webkit-unassigned philn pnormand oldest_to_newest 1859360 0 mad_fer_it 2022-04-07 12:08:07 -0700 hello, seems that webkitgtk has some troubles with some youtube videos, as they are not playing while some others are gathered this on the terminal, from epiphany in fedora 35, maybe it will help? (WebKitWebProcess:2): GLib-GObject-WARNING **: 20:34:32.280: g_object_set_is_valid_property: object class 'avdec_av1' has no property named 'max-threads' 1859644 1 pnormand 2022-04-08 03:17:13 -0700 Thanks for the bug-report. Can you gather some logs please? The procedure is explained there: https://github.com/Igalia/meta-webkit/wiki/Providing-useful-GStreamer-Zero-copy-issue-reports#in-webkit 1859647 2 pnormand 2022-04-08 03:25:03 -0700 > (WebKitWebProcess:2): GLib-GObject-WARNING **: 20:34:32.280: > g_object_set_is_valid_property: object class 'avdec_av1' has no property > named 'max-threads' Let's handle this one in https://bugs.webkit.org/show_bug.cgi?id=238991 1859665 3 pnormand 2022-04-08 04:31:05 -0700 Please attach logs here... not in the other bug. 1859669 4 mad_fer_it 2022-04-08 04:36:24 -0700 my bad i found later the right command, anyway i would love to help you but unfortunately the folder in tmp that should contain logs is empty... 1860111 5 pnormand 2022-04-10 08:24:43 -0700 (In reply to 247 from comment #4) > my bad i found later the right command, anyway i would love to help you but > unfortunately the folder in tmp that should contain logs is empty... That's quite odd, I doubt Fedora disables GStreamer debug logging. Not sure I can help much without this... 1860713 6 pnormand 2022-04-12 10:19:44 -0700 GST_DEBUG="3,webkit*:6" GST_DEBUG_DUMP_DOT_DIR=/tmp epiphany "https://www.youtube.com/watch?v=XIAor5VAjuE" shows nothing either? 1861440 7 mad_fer_it 2022-04-14 03:31:37 -0700 if the folder is /tmp/epiphany-luca247-e8l4pX then yes it's empty... 1861844 8 pnormand 2022-04-15 10:40:54 -0700 I mean in the terminal output... 1861845 9 mad_fer_it 2022-04-15 10:45:39 -0700 it's actually full of c:2068:gst_ffmpegviddec_handle_frame:<avdec_av1-0> Failed to send data for decoding 0:00:22.626063912 2 0x7fc17c00b760 ERROR libav :0:: video_get_buffer: image parameters invalid 0:00:22.626071981 2 0x7fc17c00b760 ERROR libav :0:: get_buffer() failed 0:00:22.626077629 2 0x7fc17c00b760 ERROR libav :0:: thread_get_buffer() failed 0:00:22.626083319 2 0x7fc17c00b760 ERROR libav :0:: Failed to allocate space for current frame. 0:00:22.626088690 2 0x7fc17c00b760 ERROR libav :0:: Get current frame error 0:00:22.626095629 2 0x7fc17c00b760 WARN libav gstavviddec.c:2068:gst_ffmpegviddec_handle_frame:<avdec_av1-0> Failed to send data for decoding 1861846 10 pnormand 2022-04-15 10:58:49 -0700 Try this? export GST_PLUGIN_FEATURE_RANK=avdec_av1:NONE Then run epiphany again 1862093 11 mad_fer_it 2022-04-16 16:02:32 -0700 this solves the problem, thank you... 1891722 12 philn 2022-08-16 11:58:22 -0700 What's the ffmpeg version you have? I think this should be reported in their bug tracker if the issue is still happening. 1921043 13 philn 2022-12-21 05:31:28 -0800 The ffmpeg av1 decoder is going to be disabled in GStreamer 1.20, see https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/3610 Closing.